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Code Issues Projects Releases Packages Wiki Activity

Merge branch 'release/v1.4.26' into main

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ganfra 2022-06-30 16:40:06 +02:00
commit fcc1838aed
492 changed files with 18317 additions and 2119 deletions
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8
.github/ISSUE_TEMPLATE/release.yml vendored
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@ -100,12 +100,20 @@ body:
##### Release on MavenCentral
- [ ] Checkout the branch `main`
- [ ] Run the command `./gradlew publish --no-daemon --no-parallel`. You'll need some non-public element to do so
- [ ] Run the command `./gradlew closeAndReleaseRepository`. If it is working well, you can jump directly to the final step of this section.
If `./gradlew closeAndReleaseRepository` fails (for instance, several repositories are waiting to be handled), you have to close and release the repository manually. Do the following steps:
- [ ] Connect to https://s01.oss.sonatype.org
- [ ] Click on Staging Repositories and check the the files have been uploaded
- [ ] Click on close
- [ ] Wait (check Activity tab until step "Repository closed" is displayed)
- [ ] Click on release. The staging repository will disappear
Final step
- [ ] Check that the release is available in https://repo1.maven.org/maven2/org/matrix/android/matrix-android-sdk2/ (it can take a few minutes)
##### Release on GitHub

34
.github/workflows/build.yml vendored
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@ -8,8 +8,9 @@ on:
# Enrich gradle.properties for CI/CD
env:
CI_GRADLE_ARG_PROPERTIES: >
-Porg.gradle.jvmargs=-Xmx2g
-Porg.gradle.jvmargs=-Xmx4g
-Porg.gradle.parallel=false
--no-daemon
jobs:
debug:
@ -46,8 +47,9 @@ jobs:
release:
name: Build unsigned GPlay APKs
runs-on: ubuntu-latest
if: github.ref == 'refs/heads/main'
# Only runs on main, no concurrency.
concurrency:
group: ${{ github.ref == 'refs/head/main' && format('build-release-apk-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('build-release-apk-develop-{0}', github.sha) || format('build-debug-{0}', github.ref) }}
cancel-in-progress: ${{ github.ref != 'refs/head/main' }}
steps:
- uses: actions/checkout@v3
- uses: actions/cache@v3
@ -59,7 +61,7 @@ jobs:
restore-keys: |
${{ runner.os }}-gradle-
- name: Assemble GPlay unsigned apk
run: ./gradlew clean assembleGplayRelease $CI_GRADLE_ARG_PROPERTIES --stacktrace
run: ./gradlew clean assembleGplayRelease $CI_GRADLE_ARG_PROPERTIES --stacktrace
- name: Upload Gplay unsigned APKs
uses: actions/upload-artifact@v3
with:
@ -67,4 +69,26 @@ jobs:
path: |
vector/build/outputs/apk/*/release/*.apk
# TODO add exodus checks
exodus:
runs-on: ubuntu-latest
needs: release
steps:
- name: Obtain apk from artifact
id: download
uses: actions/download-artifact@v3
with:
name: vector-gplay-release-unsigned
- name: Show apks in artifact
run: ls -R ${{steps.download.outputs.download-path}}
- name: Execute exodus-standalone
uses: docker://exodusprivacy/exodus-standalone:latest
with:
args: /github/workspace/gplay/release/vector-gplay-universal-release-unsigned.apk -j -o /github/workspace/exodus.json
- name: Upload exodus json report
uses: actions/upload-artifact@v3
with:
name: exodus.json
path: |
exodus.json
- name: Check for trackers
run: "jq -e '.trackers == []' exodus.json > /dev/null || { echo '::error static analysis identified user tracking library' ; exit 1; }"

3
.github/workflows/post-pr.yml vendored
View file

@ -13,6 +13,7 @@ env:
CI_GRADLE_ARG_PROPERTIES: >
-Porg.gradle.jvmargs=-Xmx4g
-Porg.gradle.parallel=false
--no-daemon
jobs:
@ -41,7 +42,7 @@ jobs:
steps:
- uses: actions/checkout@v3
- name: Set up Python 3.8
uses: actions/setup-python@v3
uses: actions/setup-python@v4
with:
python-version: 3.8
- uses: actions/cache@v3

12
.github/workflows/quality.yml vendored
View file

@ -9,6 +9,8 @@ on:
env:
CI_GRADLE_ARG_PROPERTIES: >
-Porg.gradle.jvmargs=-Xmx4g
-Porg.gradle.parallel=false
--no-daemon
jobs:
check:
@ -113,13 +115,13 @@ jobs:
steps:
- uses: actions/checkout@v3
- name: Dependency analysis
run: ./gradlew buildHealth $CI_GRADLE_ARG_PROPERTIES
run: ./gradlew dependencyCheckAnalyze $CI_GRADLE_ARG_PROPERTIES
- name: Upload dependency analysis
if: always()
uses: actions/upload-artifact@v3
with:
name: dependency-analysis
path: build/reports/dependency-analysis/build-health-report.txt
path: build/reports/dependency-check-report.html
# Lint for main module
android-lint:
@ -140,7 +142,7 @@ jobs:
restore-keys: |
${{ runner.os }}-gradle-
- name: Lint analysis
run: ./gradlew clean :vector:lint --stacktrace
run: ./gradlew clean :vector:lint --stacktrace $CI_GRADLE_ARG_PROPERTIES
- name: Upload reports
if: always()
uses: actions/upload-artifact@v3
@ -173,7 +175,7 @@ jobs:
restore-keys: |
${{ runner.os }}-gradle-
- name: Lint ${{ matrix.target }} release
run: ./gradlew clean lint${{ matrix.target }}Release --stacktrace
run: ./gradlew clean lint${{ matrix.target }}Release --stacktrace $CI_GRADLE_ARG_PROPERTIES
- name: Upload ${{ matrix.target }} linting report
if: always()
uses: actions/upload-artifact@v3
@ -193,7 +195,7 @@ jobs:
- uses: actions/checkout@v3
- name: Run detekt
run: |
./gradlew detekt
./gradlew detekt $CI_GRADLE_ARG_PROPERTIES
- name: Upload reports
if: always()
uses: actions/upload-artifact@v3

4
.github/workflows/sync-from-external-sources.yml vendored
View file

@ -13,7 +13,7 @@ jobs:
steps:
- uses: actions/checkout@v3
- name: Set up Python 3.8
uses: actions/setup-python@v3
uses: actions/setup-python@v4
with:
python-version: 3.8
- name: Install Prerequisite dependencies
@ -40,7 +40,7 @@ jobs:
steps:
- uses: actions/checkout@v3
- name: Set up Python 3.8
uses: actions/setup-python@v3
uses: actions/setup-python@v4
with:
python-version: 3.8
- name: Install Prerequisite dependencies

15
.github/workflows/tests.yml vendored
View file

@ -8,8 +8,9 @@ on:
# Enrich gradle.properties for CI/CD
env:
CI_GRADLE_ARG_PROPERTIES: >
-Porg.gradle.jvmargs=-Xmx2g
-Porg.gradle.jvmargs=-Xmx4g
-Porg.gradle.parallel=false
--no-daemon
jobs:
tests:
@ -28,7 +29,7 @@ jobs:
distribution: 'adopt'
java-version: '11'
- uses: gradle/gradle-build-action@v2
- uses: actions/setup-python@v3
- uses: actions/setup-python@v4
with:
python-version: 3.8
- uses: michaelkaye/setup-matrix-synapse@v1.0.3
@ -49,7 +50,10 @@ jobs:
emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
disable-animations: true
emulator-build: 7425822
script: ./gradlew theCodeCoverageReport -Pandroid.testInstrumentationRunnerArguments.notPackage=im.vector.app.ui --stacktrace $CI_GRADLE_ARG_PROPERTIES
script: |
./gradlew unitTestsWithCoverage --stacktrace $CI_GRADLE_ARG_PROPERTIES
./gradlew instrumentationTestsWithCoverage --stacktrace $CI_GRADLE_ARG_PROPERTIES
./gradlew generateCoverageReport --stacktrace $CI_GRADLE_ARG_PROPERTIES
# NB: continue-on-error marks steps.tests.conclusion = 'success' but leaves stes.tests.outcome = 'failure'
- name: Run all the codecoverage tests at once (retry if emulator failed)
uses: reactivecircus/android-emulator-runner@v2
@ -62,7 +66,10 @@ jobs:
emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
disable-animations: true
emulator-build: 7425822
script: ./gradlew theCodeCoverageReport -Pandroid.testInstrumentationRunnerArguments.notPackage=im.vector.app.ui --stacktrace $CI_GRADLE_ARG_PROPERTIES
script: |
./gradlew unitTestsWithCoverage --stacktrace $CI_GRADLE_ARG_PROPERTIES
./gradlew instrumentationTestsWithCoverage --stacktrace $CI_GRADLE_ARG_PROPERTIES
./gradlew generateCoverageReport --stacktrace $CI_GRADLE_ARG_PROPERTIES
- run: ./gradlew sonarqube $CI_GRADLE_ARG_PROPERTIES
if: always() # we may have failed a previous step and retried, that's OK
env:

2
.gitignore vendored
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@ -16,4 +16,4 @@
/fastlane/private
/fastlane/report.xml
/library/build
/**/build

1
.idea/dictionaries/bmarty.xml
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@ -40,6 +40,7 @@
<w>sygnal</w>
<w>threepid</w>
<w>uisi</w>
<w>unifiedpush</w>
<w>unpublish</w>
<w>unwedging</w>
<w>vctr</w>

56
CHANGES.md
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@ -1,3 +1,59 @@
Changes in Element v1.4.26 (2022-06-30)
=======================================
Features ✨
----------
- Use UnifiedPush and allows user to have push without FCM. ([#3448](https://github.com/vector-im/element-android/issues/3448))
- Replace ffmpeg-kit with libopus and libopusenc. ([#6203](https://github.com/vector-im/element-android/issues/6203))
- Improve lock screen implementation. ([#6217](https://github.com/vector-im/element-android/issues/6217))
- Allow sharing text based content via android's share menu (eg .ics files) ([#6285](https://github.com/vector-im/element-android/issues/6285))
- Promote live location labs flag ([#6350](https://github.com/vector-im/element-android/issues/6350))
- [Location sharing] - Stop any active live before starting a new one ([#6364](https://github.com/vector-im/element-android/issues/6364))
- Expose pusher profile tag in advanced settings ([#6369](https://github.com/vector-im/element-android/issues/6369))
Bugfixes 🐛
----------
- Fixes concurrent modification crash when signing out or launching the app ([#5821](https://github.com/vector-im/element-android/issues/5821))
- Refactor - better naming, return native user id and not sip user id and create a dm with the native user instead of with the sip user. ([#6101](https://github.com/vector-im/element-android/issues/6101))
- Fixed /upgraderoom command not doing anything ([#6154](https://github.com/vector-im/element-android/issues/6154))
- Fixed crash when opening large images in the timeline ([#6290](https://github.com/vector-im/element-android/issues/6290))
- [Location sharing] Fix crash when starting/stopping a live when offline ([#6315](https://github.com/vector-im/element-android/issues/6315))
- Fix loop in timeline and simplify management of chunks and timeline events. ([#6318](https://github.com/vector-im/element-android/issues/6318))
- Update design and behaviour on widget permission bottom sheet ([#6326](https://github.com/vector-im/element-android/issues/6326))
- Fix | Some user verification requests couldn't be accepted/declined ([#6328](https://github.com/vector-im/element-android/issues/6328))
- [Location sharing] Fix stop of a live not possible from another device ([#6349](https://github.com/vector-im/element-android/issues/6349))
- Fix backslash escapes in formatted messages ([#6357](https://github.com/vector-im/element-android/issues/6357))
- Fixes wrong error message when signing in with wrong credentials ([#6371](https://github.com/vector-im/element-android/issues/6371))
- [Location Share] - Adding missing prefix "u=" for uncertainty in geo URI ([#6375](https://github.com/vector-im/element-android/issues/6375))
In development 🚧
----------------
- FTUE - Adds automatic homeserver selection when typing a full matrix id during registration or login ([#6162](https://github.com/vector-im/element-android/issues/6162))
Improved Documentation 📚
------------------------
- Update the PR process doc to come back to one reviewer with optional additional reviewers. ([#6396](https://github.com/vector-im/element-android/issues/6396))
SDK API changes ⚠️
------------------
- Group all location sharing related API into LocationSharingService ([#5864](https://github.com/vector-im/element-android/issues/5864))
- Add support for MSC2457 - opting in or out of logging out all devices when changing password ([#6191](https://github.com/vector-im/element-android/issues/6191))
- Create `QueryStateEventValue` to do query on `stateKey` for State Event. Also remove the default parameter values for those type. ([#6319](https://github.com/vector-im/element-android/issues/6319))
Other changes
-------------
- - Notify of the latest known location in LocationTracker to avoid multiple locations at start
- Debounce location updates
- Improve location providers access ([#5913](https://github.com/vector-im/element-android/issues/5913))
- Add unit tests for LiveLocationAggregationProcessor code ([#6155](https://github.com/vector-im/element-android/issues/6155))
- Making screenshots in bug reports opt in instead of opt out ([#6261](https://github.com/vector-im/element-android/issues/6261))
- Setup [Flipper](https://fbflipper.com/) ([#6300](https://github.com/vector-im/element-android/issues/6300))
- CreatePollViewModel unit tests ([#6320](https://github.com/vector-im/element-android/issues/6320))
- Fix flaky test in voice recording feature. ([#6329](https://github.com/vector-im/element-android/issues/6329))
- Poll view state unit tests ([#6366](https://github.com/vector-im/element-android/issues/6366))
- Let LoadRoomMembersTask insert by chunk to release db. ([#6394](https://github.com/vector-im/element-android/issues/6394))
Changes in Element v1.4.25 (2022-06-27)
=======================================

18
build.gradle
View file

@ -28,8 +28,8 @@ buildscript {
classpath 'org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:3.4.0.2513'
classpath 'com.google.android.gms:oss-licenses-plugin:0.10.5'
classpath "com.likethesalad.android:stem-plugin:2.1.1"
classpath 'org.owasp:dependency-check-gradle:7.1.0.1'
classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.6.21"
classpath 'org.owasp:dependency-check-gradle:7.1.1'
classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.7.0"
classpath "org.jetbrains.kotlinx:kotlinx-knit:0.4.0"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
@ -43,7 +43,7 @@ plugins {
id "io.gitlab.arturbosch.detekt" version "1.20.0"
// Dependency Analysis
id 'com.autonomousapps.dependency-analysis' version "1.5.0"
id 'com.autonomousapps.dependency-analysis' version "1.9.0"
}
// https://github.com/jeremylong/DependencyCheck
@ -168,7 +168,7 @@ def launchTask = getGradle()
.toString()
.toLowerCase()
if (launchTask.contains("codeCoverageReport".toLowerCase())) {
if (launchTask.contains("coverage".toLowerCase())) {
apply from: 'coverage.gradle'
}
@ -191,7 +191,7 @@ sonarqube {
property "sonar.links.issue", "https://github.com/vector-im/element-android/issues"
property "sonar.organization", "new_vector_ltd_organization"
property "sonar.java.coveragePlugin", "jacoco"
property "sonar.coverage.jacoco.xmlReportPaths", "${project.buildDir}/reports/jacoco/theCodeCoverageReport/theCodeCoverageReport.xml"
property "sonar.coverage.jacoco.xmlReportPaths", "${project.buildDir}/reports/jacoco/generateCoverageReport/generateCoverageReport.xml"
property "sonar.login", project.hasProperty("SONAR_LOGIN") ? SONAR_LOGIN : "invalid"
}
}
@ -252,11 +252,7 @@ dependencyAnalysis {
exclude("org.json:json") // Used in unit tests, overwrites the one bundled into Android
}
}
project(":library:ui-styles") {
onUnusedDependencies {
exclude("com.github.vector-im:PFLockScreen-Android") // False positive
}
}
project(":library:ui-styles")
project(":matrix-sdk-android") {
onUnusedDependencies {
exclude("io.reactivex.rxjava2:rxkotlin") // Transitively required for mocking realm as monarchy doesn't expose Rx
@ -271,6 +267,8 @@ dependencyAnalysis {
onUnusedDependencies {
// False positives
exclude(
"androidx.fragment:fragment-testing",
"com.facebook.soloader:soloader",
"com.vanniktech:emoji-google",
"com.vanniktech:emoji-material",
"org.maplibre.gl:android-plugin-annotation-v9",

37
coverage.gradle
View file

@ -24,11 +24,13 @@ def excludes = [
def initializeReport(report, projects, classExcludes) {
projects.each { project -> project.apply plugin: 'jacoco' }
report.executionData { fileTree(rootProject.rootDir.absolutePath).include(
"**/build/outputs/unit_test_code_coverage/**/*.exec",
"**/build/outputs/code_coverage/**/coverage.ec"
) }
report.executionData {
fileTree(rootProject.rootDir.absolutePath).include(
"**/build/**/*.exec",
"**/build/outputs/code_coverage/**/coverage.ec",
)
}
report.reports {
xml.enabled true
html.enabled true
@ -43,13 +45,11 @@ def initializeReport(report, projects, classExcludes) {
switch (project) {
case { project.plugins.hasPlugin("com.android.application") }:
androidClassDirs.add("${project.buildDir}/tmp/kotlin-classes/gplayDebug")
androidSourceDirs.add("${project.buildDir}/generated/source/kapt/gplayDebug")
androidSourceDirs.add("${project.projectDir}/src/main/kotlin")
androidSourceDirs.add("${project.projectDir}/src/main/java")
break
case { project.plugins.hasPlugin("com.android.library") }:
androidClassDirs.add("${project.buildDir}/tmp/kotlin-classes/debug")
androidSourceDirs.add("${project.buildDir}/generated/source/kapt/debug")
androidSourceDirs.add("${project.projectDir}/src/main/kotlin")
androidSourceDirs.add("${project.projectDir}/src/main/java")
break
@ -70,18 +70,21 @@ def collectProjects(predicate) {
return subprojects.findAll { it.buildFile.isFile() && predicate(it) }
}
task theCodeCoverageReport(type: JacocoReport) {
task generateCoverageReport(type: JacocoReport) {
outputs.upToDateWhen { false }
rootProject.apply plugin: 'jacoco'
tasks.withType(Test) {
jacoco.includeNoLocationClasses = true
}
def projects = collectProjects { ['vector','matrix-sdk-android'].contains(it.name) }
dependsOn {
[':vector:testGplayDebugUnitTest'] +
[':vector:connectedGplayDebugAndroidTest'] +
[':matrix-sdk-android:testDebugUnitTest'] +
[':matrix-sdk-android:connectedDebugAndroidTest']
}
def projects = collectProjects { ['vector', 'matrix-sdk-android'].contains(it.name) }
initializeReport(it, projects, excludes)
}
task unitTestsWithCoverage(type: GradleBuild) {
// the 7.1.3 android gradle plugin has a bug where enableTestCoverage generates invalid coverage
startParameter.projectProperties.coverage = [enableTestCoverage: false]
tasks = [':vector:testGplayDebugUnitTest', ':matrix-sdk-android:testDebugUnitTest']
}
task instrumentationTestsWithCoverage(type: GradleBuild) {
startParameter.projectProperties.coverage = [enableTestCoverage: true]
startParameter.projectProperties['android.testInstrumentationRunnerArguments.notPackage'] = 'im.vector.app.ui'
tasks = [':vector:connectedGplayDebugAndroidTest', 'matrix-sdk-android:connectedDebugAndroidTest']
}

25
dependencies.gradle
View file

@ -13,7 +13,7 @@ ext.versions = [
def gradle = "7.1.3"
// Ref: https://kotlinlang.org/releases.html
def kotlin = "1.6.21"
def kotlinCoroutines = "1.6.2"
def kotlinCoroutines = "1.6.3"
def dagger = "2.42"
def retrofit = "2.9.0"
def arrow = "0.8.2"
@ -21,20 +21,21 @@ def markwon = "4.6.2"
def moshi = "1.13.0"
def lifecycle = "2.4.1"
def flowBinding = "1.2.0"
def flipper = "0.151.1"
def epoxy = "4.6.2"
def mavericks = "2.6.1"
def mavericks = "2.7.0"
def glide = "4.13.2"
def bigImageViewer = "1.8.1"
def jjwt = "0.11.5"
def vanniktechEmoji = "0.15.0"
def fragment = "1.4.1"
// Testing
def mockk = "1.12.4"
def mockk = "1.12.3" // We need to use 1.12.3 to have mocking in androidTest until a new version is released: https://github.com/mockk/mockk/issues/819
def espresso = "3.4.0"
def androidxTest = "1.4.0"
def androidxOrchestrator = "1.4.1"
ext.libs = [
gradle : [
'gradlePlugin' : "com.android.tools.build:gradle:$gradle",
@ -48,12 +49,16 @@ ext.libs = [
'coroutinesTest' : "org.jetbrains.kotlinx:kotlinx-coroutines-test:$kotlinCoroutines"
],
androidx : [
'annotation' : "androidx.annotation:annotation:1.4.0",
'activity' : "androidx.activity:activity:1.4.0",
'annotations' : "androidx.annotation:annotation:1.3.0",
'appCompat' : "androidx.appcompat:appcompat:1.4.2",
'biometric' : "androidx.biometric:biometric:1.1.0",
'core' : "androidx.core:core-ktx:1.8.0",
'recyclerview' : "androidx.recyclerview:recyclerview:1.2.1",
'exifinterface' : "androidx.exifinterface:exifinterface:1.3.3",
'fragmentKtx' : "androidx.fragment:fragment-ktx:1.4.1",
'fragmentKtx' : "androidx.fragment:fragment-ktx:$fragment",
'fragmentTesting' : "androidx.fragment:fragment-testing:$fragment",
'constraintLayout' : "androidx.constraintlayout:constraintlayout:2.1.4",
'work' : "androidx.work:work-runtime-ktx:2.7.1",
'autoFill' : "androidx.autofill:autofill:1.1.0",
@ -84,10 +89,16 @@ ext.libs = [
'dagger' : "com.google.dagger:dagger:$dagger",
'daggerCompiler' : "com.google.dagger:dagger-compiler:$dagger",
'hilt' : "com.google.dagger:hilt-android:$dagger",
'hiltAndroidTesting' : "com.google.dagger:hilt-android-testing:$dagger",
'hiltCompiler' : "com.google.dagger:hilt-compiler:$dagger"
],
flipper : [
'flipper' : "com.facebook.flipper:flipper:$flipper",
'flipperNetworkPlugin' : "com.facebook.flipper:flipper-network-plugin:$flipper",
],
squareup : [
'moshi' : "com.squareup.moshi:moshi:$moshi",
'moshiKt' : "com.squareup.moshi:moshi-kotlin:$moshi",
'moshiKotlin' : "com.squareup.moshi:moshi-kotlin-codegen:$moshi",
'retrofit' : "com.squareup.retrofit2:retrofit:$retrofit",
'retrofitMoshi' : "com.squareup.retrofit2:converter-moshi:$retrofit"
@ -153,3 +164,5 @@ ext.libs = [
'junit' : "junit:junit:4.13.2"
]
]

5
dependencies_groups.gradle
View file

@ -9,6 +9,7 @@ ext.groups = [
'com.github.jetradarmobile',
'com.github.MatrixFrog',
'com.github.tapadoo',
'com.github.UnifiedPush',
'com.github.vector-im',
'com.github.yalantis',
'com.github.Zhuinden',
@ -31,6 +32,7 @@ ext.groups = [
],
group: [
'com.android',
'com.android.ndk.thirdparty',
'com.android.tools',
'com.google.firebase',
'com.google.testing.platform',
@ -52,6 +54,7 @@ ext.groups = [
'com.dropbox.core',
'com.soywiz.korlibs.korte',
'com.facebook.fbjni',
'com.facebook.flipper',
'com.facebook.fresco',
'com.facebook.infer.annotation',
'com.facebook.soloader',
@ -93,6 +96,7 @@ ext.groups = [
'com.ibm.icu',
'com.jakewharton.android.repackaged',
'com.jakewharton.timber',
'com.kgurgul.flipper',
'com.linkedin.dexmaker',
'com.mapbox.mapboxsdk',
'com.nulab-inc',
@ -168,6 +172,7 @@ ext.groups = [
'org.glassfish.jaxb',
'org.hamcrest',
'org.jacoco',
'org.java-websocket',
'org.jetbrains',
'org.jetbrains.dokka',
'org.jetbrains.intellij.deps',

58
docs/flipper.md Normal file
View file

@ -0,0 +1,58 @@
# Flipper
<!--- TOC -->
* [Introduction](#introduction)
* [Setup](#setup)
* [Troubleshoot](#troubleshoot)
* [No device found issue](#no-device-found-issue)
* [Diagnostic Activity](#diagnostic-activity)
* [Other](#other)
* [Links](#links)
<!--- END -->
## Introduction
[Flipper](https://fbflipper.com) is a powerful tool from Meta, which allow to inspect the running application details and states from your computer.
Flipper is configured in the Element Android project to let the developers be able to:
- inspect all the Realm databases content;
- do layout inspection;
- see the crash logs;
- see the logcat;
- see all the network requests;
- see all the SharedPreferences;
- take screenshots and record videos of the device;
- and more!
## Setup
- Install Flipper on your computer. Follow instructions here: https://fbflipper.com/docs/getting-started/index/
- Run the debug version of Element on an emulator or on a real device.
### Troubleshoot
#### No device found issue
The configuration of the Flipper application has to be updated. The issue has been asked and answered here: https://stackoverflow.com/questions/71744103/android-emulator-unable-to-connect-to-flipper/72608113#72608113
#### Diagnostic Activity
Flipper comes with a Diagnostic Activity that you can start from command line using:
```shell
adb shell am start -n im.vector.app.debug/com.facebook.flipper.android.diagnostics.FlipperDiagnosticActivity
```
It provides some log which can help to figure out what's going on client side.
#### Other
https://fbflipper.com/docs/getting-started/troubleshooting/android/ may help.
## Links
- Official Flipper website: https://fbflipper.com
- Realm Plugin for Flipper: https://github.com/kamgurgul/Flipper-Realm
- Dedicated Matrix room: https://matrix.to/#/#unifiedpush:matrix.org

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@ -83,15 +83,16 @@ Exceptions can occur:
##### PR Review Assignment
We use automatic assignment for PR reviews. A PR is automatically routed by GitHub to 2 team members using the round robin algorithm. The process is the following:
We use automatic assignment for PR reviews. **A PR is automatically routed by GitHub to one team member** using the round robin algorithm. Additional reviewers can be used for complex changes or when the first reviewer is not confident enough on the changes.
The process is the following:
- The PR creator can assign specific people if they have another Android developer in their team or they think a specific reviewer should take a look at the PR.
- If there are missing reviewers, the PR creator assigns the [element-android-reviewers](https://github.com/orgs/vector-im/teams/element-android-reviewers) team as a reviewer.
- GitHub automatically assigns other reviewers. If one of the chosen reviewers is not available (holiday, etc.), remove them and set again the team, GitHub will select another reviewer.
- The PR creator selects the [element-android-reviewers](https://github.com/orgs/vector-im/teams/element-android-reviewers) team as a reviewer.
- GitHub automatically assign the reviewer. If the reviewer is not available (holiday, etc.), remove them and set again the team, GitHub will select another reviewer.
- Alternatively, the PR creator can directly assign specific people if they have another Android developer in their team or they think a specific reviewer should take a look at their PR.
- Reviewers get a notification to make the review: they review the code following the good practice (see the rest of this document).
- After making their own review, if they feel not confident enough, they can ask another person for a full review, or they can tag someone within a PR comment to check specific lines.
For PRs coming from the community, the issue wrangler can assign either the team [element-android-reviewers](https://github.com/orgs/vector-im/teams/element-android-reviewers) or any members directly.
For PRs coming from the community, the issue wrangler can assign either the team [element-android-reviewers](https://github.com/orgs/vector-im/teams/element-android-reviewers) or any member directly.
##### PR review time
@ -102,6 +103,7 @@ Some tips to achieve it:
- Set up your GH notifications correctly
- Check your pulls page: [https://github.com/pulls](https://github.com/pulls)
- Check your pending assigned PRs before starting or resuming your day to day tasks
- If you are busy with high priority tasks, inform the author. They will find another developer
It is hard to define a deadline for a review. It depends on the PR size and the complexity. Let's start with a goal of 24h (working day!) for a PR smaller than 500 lines. If bigger, the submitter and the reviewer should discuss.

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# UnifiedPush
<!--- TOC -->
* [Introduction](#introduction)
* [Configuration in Element-Android and their forks](#configuration-in-element-android-and-their-forks)
* [Enabling and disabling the feature](#enabling-and-disabling-the-feature)
* [Override the configuration at runtime](#override-the-configuration-at-runtime)
* [Enabling the feature](#enabling-the-feature)
* [Disabling the feature](#disabling-the-feature)
* [Useful links](#useful-links)
<!--- END -->
## Introduction
The recently started UnifiedPush project is an Android protocol and library for apps to be able to receive distributor-agnostic push notifications.
The *F-Droid* and *Gplay* flavors of Element Android support UnifiedPush, so the user can use any distributor installed on their devices. This would make it possible to have push notifications without depending on Google services or libraries. Currently, the main distributors are [ntfy](https://ntfy.sh) which does not require any setup (like manual registration) to use the public server and [NextPush](https://github.com/UP-NextPush/android), available as a nextcloud application.
The *Gplay* variant uses a UnifiedPush library which basically embed a FCM distributor built into the application (so a user doesn't need to do anything other than install the app to get FCM notifications). This variant uses Google Services to receive notifications if the user has not installed any distributor.
The *F-Droid* variant does not use this library to avoid any proprietary blob. It will use a polling service if the user has not installed any distributor.
In all cases, if there are other distributors available, the user will have to opt-in to one of them in the preferences.
## Configuration in Element-Android and their forks
### Enabling and disabling the feature
Allowing the user to use an alternative distributor can be changed in [Config](../vector-config/src/main/java/im/vector/app/config/Config.kt). The flag is named `ALLOW_EXTERNAL_UNIFIED_PUSH_DISTRIBUTORS`. Default value is `true`.
#### Override the configuration at runtime
On debug version, it is possible to override this configuration at runtime, using the `Feature` screen. The Feature is named `Allow external UnifiedPush distributors`.
#### Enabling the feature
This is the default behavior of Element Android.
If `ALLOW_EXTERNAL_UNIFIED_PUSH_DISTRIBUTORS` is set to true, it allows any available external UnifiedPush distributor to be chosen by the user.
- For Gplay variant it means that FCM will be used by default, but user can choose another UnifiedPush distributor;
- For F-Droid variant, it means that background polling will be used by default, but user can choose another UnifiedPush distributor.
- On the UI, the setting to choose an alternative distributor will be visible to the user, and some tests in the notification troubleshoot screen will shown.
- For F-Droid, if the user has chosen a distributor, the settings to configure the background polling will be hidden.
#### Disabling the feature
If `ALLOW_EXTERNAL_UNIFIED_PUSH_DISTRIBUTORS` is set to false, it prevents the usage of external UnifiedPush distributors.
- For Gplay variant it means that only FCM will be used;
- For F-Droid variant, it means that only background polling will be used.
- On the UI, the setting to choose an alternative distributor will be hidden to the user, and some tests in the notification troubleshoot screen will be hidden.
### Useful links
- UnifiedPush official website: [https://unifiedpush.org/](https://unifiedpush.org/)
- List of available distributors can be retrieved here: [https://unifiedpush.org/users/distributors/](https://unifiedpush.org/users/distributors/)
- UnifiedPush project discussion can occurs here: [#unifiedpush:matrix.org](https://matrix.to/#/#unifiedpush:matrix.org)

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@ -0,0 +1,2 @@
Hlavní změny v této verzi: Opravy různých chyb a vylepšení stability.
Úplný seznam změn: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Hlavní změny v této verzi: Opravy různých chyb a vylepšení stability.
Úplný seznam změn: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Hlavní změny v této verzi: Opravy různých chyb a vylepšení stability.
Úplný seznam změn: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Main changes in this version: Use UnifiedPush and allows user to have push without FCM.
Full changelog: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Põhilised muutused selles versioonis: erinevate vigade parandused ja stabiilsust edendavad kohendused.
Kogu ingliskeelne muudatuste logi: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Põhilised muutused selles versioonis: erinevate vigade parandused ja stabiilsust edendavad kohendused.
Kogu ingliskeelne muudatuste logi: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Põhilised muutused selles versioonis: erinevate vigade parandused ja stabiilsust edendavad kohendused.
Kogu ingliskeelne muudatuste logi: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
تغییرات عمده در این نگارش: رفع اشکال‌های مختلف و بهبودهای پایداری.
گزارش دگرگونی کامل: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
تغییرات عمده در این نگارش: رفع اشکال‌های مختلف و بهبودهای پایداری.
گزارش دگرگونی کامل: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
تغییرات عمده در این نگارش: رفع اشکال‌های مختلف و بهبودهای پایداری.
گزارش دگرگونی کامل: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Principaux changements pour cette version : Plusieurs corrections de bogues et d’améliorations de stabilité.
Intégralité des changements : https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Principaux changements pour cette version : Plusieurs corrections de bogues et d’améliorations de stabilité.
Intégralité des changements : https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Principaux changements pour cette version : Plusieurs corrections de bogues et d’améliorations de stabilité.
Intégralité des changements : https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Perubahan utama dalam versi ini: Banyak perbaikan kutu dan perbaikan stabilitas.
Catatan perubahan lanjutan: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Perubahan utama dalam versi ini: Banyak perbaikan kutu dan perbaikan stabilitas.
Catatan perubahan lanjutan: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Perubahan utama dalam versi ini: Banyak perbaikan kutu dan perbaikan stabilitas.
Catatan perubahan lanjutan: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Modifiche principali in questa versione: varie correzioni di errori e miglioramenti della stabilità.
Cronologia completa: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Modifiche principali in questa versione: varie correzioni di errori e miglioramenti della stabilità.
Cronologia completa: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Modifiche principali in questa versione: varie correzioni di errori e miglioramenti della stabilità.
Cronologia completa: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Principais mudanças nesta versão: Vários consertos de bugs e melhorias de estabilidade.
Changelog completo: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Principais mudanças nesta versão: Vários consertos de bugs e melhorias de estabilidade.
Changelog completo: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Principais mudanças nesta versão: Vários consertos de bugs e melhorias de estabilidade.
Changelog completo: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Hlavné zmeny v tejto verzii: Rôzne opravy chýb a vylepšenia stability.
Úplný zoznam zmien: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Hlavné zmeny v tejto verzii: Rôzne opravy chýb a vylepšenia stability.
Úplný zoznam zmien: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Hlavné zmeny v tejto verzii: Rôzne opravy chýb a vylepšenia stability.
Úplný zoznam zmien: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Huvudsakliga ändringar i den här versionen: Diverse buggfixar och stabilitetsförbättringar.
Full ändringslogg: https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
Huvudsakliga ändringar i den här versionen: Diverse buggfixar och stabilitetsförbättringar.
Full ändringslogg: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Huvudsakliga ändringar i den här versionen: Diverse buggfixar och stabilitetsförbättringar.
Full ändringslogg: https://github.com/vector-im/element-android/releases

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@ -1,2 +1,2 @@
Основні зміни в цій версії: Початкова реалізація тредів повідомлень. Повідомлення бульбашки.
Основні зміни в цій версії: Початкова реалізація гілок повідомлень. Повідомлення бульбашки.
Вичерпний перелік змін: https://github.com/vector-im/element-android/releases/tag/v1.4.0

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@ -1,2 +1,2 @@
Основні зміни в цій версії: Хронологія тредів працює наживо і швидше. Усунуто різні вади й поліпшено стабільність.
Основні зміни в цій версії: Хронологія гілок працює наживо і швидше. Усунуто різні вади й поліпшено стабільність.
Вичерпний перелік змін: https://github.com/vector-im/element-android/releases/tag/v1.4.6

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@ -1,2 +1,2 @@
Основні зміни в цій версії: Хронологія тредів працює наживо і швидше. Усунуто різні вади й поліпшено стабільність.
Основні зміни в цій версії: Хронологія гілок працює наживо і швидше. Усунуто різні вади й поліпшено стабільність.
Вичерпний перелік змін: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Основні зміни в цій версії: Усунуто різні вади й поліпшено стабільність.
Вичерпний перелік змін: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Основні зміни в цій версії: Усунуто різні вади й поліпшено стабільність.
Вичерпний перелік змін: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
Основні зміни в цій версії: Усунуто різні вади й поліпшено стабільність.
Вичерпний перелік змін: https://github.com/vector-im/element-android/releases

2
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@ -0,0 +1,2 @@
此版本中的主要變動：多個臭蟲修復與穩定性改善。
完整的變更紀錄：https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
此版本中的主要變動：多個臭蟲修復與穩定性改善。
完整的變更紀錄：https://github.com/vector-im/element-android/releases

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@ -0,0 +1,2 @@
此版本中的主要變動：多個臭蟲修復與穩定性改善。
完整的變更紀錄：https://github.com/vector-im/element-android/releases

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@ -0,0 +1,10 @@
*.iml
.gradle
/local.properties
/.idea
.DS_Store
/build
/captures
*.cxx
app/.cxx/*
.externalNativeBuild

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@ -0,0 +1,40 @@
apply plugin: 'com.android.library'
apply plugin: 'kotlin-android'
android {
ndkVersion "21.3.6528147"
compileSdkVersion 31
buildToolsVersion "31.0.0"
defaultConfig {
minSdkVersion 18
targetSdkVersion 31
versionCode 1
versionName "1.0"
externalNativeBuild {
ndk {
abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
}
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
externalNativeBuild {
cmake {
path "src/main/cpp/CMakeLists.txt"
}
}
}
dependencies {
implementation libs.androidx.annotation
}

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<?xml version="1.0"?>
<manifest package="im.vector.opusencoder" xmlns:android="http://schemas.android.com/apk/res/android"/>

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# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html
# Sets the minimum version of CMake required to build the native library.
cmake_minimum_required(VERSION 3.4.1)
set(CMAKE_CXX_STANDARD 14)
# Creates and names a library, sets it as either STATIC
# or SHARED, and provides the relative paths to its source code.
# You can define multiple libraries, and CMake builds them for you.
# Gradle automatically packages shared libraries with your APK.
set(distribution_OPUS_DIR ${CMAKE_SOURCE_DIR}/opus)
add_library(lib_opus SHARED IMPORTED)
set_target_properties(lib_opus PROPERTIES IMPORTED_LOCATION
${distribution_OPUS_DIR}/libs/${ANDROID_ABI}/libopus.so)
add_library(lib_opusenc SHARED IMPORTED)
set_target_properties(lib_opusenc PROPERTIES IMPORTED_LOCATION
${distribution_OPUS_DIR}/libs/${ANDROID_ABI}/libopusenc.so)
add_library( # Sets the name of the library.
opuscodec
# Sets the library as a shared library.
SHARED
# Provides a relative path to your source file(s).
codec/CodecOggOpus.cpp
opuscodec.cpp)
target_include_directories(opuscodec PRIVATE
${distribution_OPUS_DIR}/include)
# Searches for a specified prebuilt library and stores the path as a
# variable. Because CMake includes system libraries in the search path by
# default, you only need to specify the name of the public NDK library
# you want to add. CMake verifies that the library exists before
# completing its build.
find_library( # Sets the name of the path variable.
log-lib
# Specifies the name of the NDK library that
# you want CMake to locate.
log )
# Specifies libraries CMake should link to your target library. You
# can link multiple libraries, such as libraries you define in this
# build script, prebuilt third-party libraries, or system libraries.
target_link_libraries( # Specifies the target library.
opuscodec
android
lib_opusenc
lib_opus
# Links the target library to the log library
# included in the NDK.
${log-lib} )

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/*
* Copyright (c) 2022 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "CodecOggOpus.h"
#include "../utils/Logger.h"
int ret;
int CodecOggOpus::encoderInit(char* filePath, int sampleRate) {
// Create default, empty comment header
comments = ope_comments_create();
// Mono audio
int numChannels = 1;
// Channel Mapping Family 0, used for mono/stereo streams
int family = 0;
// Create encoder to encode PCM chunks and write the result to a file with the OggOpus framing
encoder = ope_encoder_create_file(filePath, comments, sampleRate, numChannels, family, &ret);
if (ret != OPE_OK) {
LOGE(TAG, "Creation of OggOpusEnc failed.");
return ret;
}
return OPE_OK;
}
int CodecOggOpus::setBitrate(int bitrate) {
ret = ope_encoder_ctl(encoder, OPUS_SET_BITRATE_REQUEST, bitrate);
if (ret != OPE_OK) {
LOGE(TAG, "Could not set bitrate.");
return ret;
}
return OPE_OK;
}
int CodecOggOpus::writeFrame(short* frame, int samplesPerChannel) {
// Encode the raw PCM-16 buffer to Opus and write it to the ogg file
return ope_encoder_write(encoder, frame, samplesPerChannel);
}
void CodecOggOpus::encoderRelease() {
// Finish any pending encode/write operations
ope_encoder_drain(encoder);
// De-init the encoder instance
ope_encoder_destroy(encoder);
// De-init the comment header struct
ope_comments_destroy(comments);
}
CodecOggOpus::~CodecOggOpus() {
encoderRelease();
}

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/*
* Copyright (c) 2022 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ELEMENT_ANDROID_CODECOGGOPUS_H
#define ELEMENT_ANDROID_CODECOGGOPUS_H
#include <opusenc.h>
/**
* This class is a wrapper around libopusenc, used to encode and write Opus frames into an Ogg file.
*
* The usual flow would be:
*
* 1. Use encoderInit to initialize the internal encoder with the sample rate and the path to write the encoded frames to.
* 2. (Optional) set the bitrate to use.
* 3. While recording, read PCM-16 chunks from the recorder, feed them to the encoder using writeFrame.
* 4. When finished, call encoderRelease to free some resources.
*/
class CodecOggOpus {
private:
const char *TAG = "CodecOggOpus";
OggOpusEnc* encoder;
OggOpusComments* comments;
public:
int encoderInit(char* filePath, int sampleRate);
int setBitrate(int bitrate);
int writeFrame(short *frame, int samplesPerChannel);
void encoderRelease();
~CodecOggOpus();
};
#endif //ELEMENT_ANDROID_CODECOGGOPUS_H

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/* Copyright (c) 2010-2011 Xiph.Org Foundation, Skype Limited
Written by Jean-Marc Valin and Koen Vos */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file opus.h
* @brief Opus reference implementation API
*/
#ifndef OPUS_H
#define OPUS_H
#include "opus_types.h"
#include "opus_defines.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @mainpage Opus
*
* The Opus codec is designed for interactive speech and audio transmission over the Internet.
* It is designed by the IETF Codec Working Group and incorporates technology from
* Skype's SILK codec and Xiph.Org's CELT codec.
*
* The Opus codec is designed to handle a wide range of interactive audio applications,
* including Voice over IP, videoconferencing, in-game chat, and even remote live music
* performances. It can scale from low bit-rate narrowband speech to very high quality
* stereo music. Its main features are:
* @li Sampling rates from 8 to 48 kHz
* @li Bit-rates from 6 kb/s to 510 kb/s
* @li Support for both constant bit-rate (CBR) and variable bit-rate (VBR)
* @li Audio bandwidth from narrowband to full-band
* @li Support for speech and music
* @li Support for mono and stereo
* @li Support for multichannel (up to 255 channels)
* @li Frame sizes from 2.5 ms to 60 ms
* @li Good loss robustness and packet loss concealment (PLC)
* @li Floating point and fixed-point implementation
*
* Documentation sections:
* @li @ref opus_encoder
* @li @ref opus_decoder
* @li @ref opus_repacketizer
* @li @ref opus_multistream
* @li @ref opus_libinfo
* @li @ref opus_custom
*/
/** @defgroup opus_encoder Opus Encoder
* @{
*
* @brief This page describes the process and functions used to encode Opus.
*
* Since Opus is a stateful codec, the encoding process starts with creating an encoder
* state. This can be done with:
*
* @code
* int error;
* OpusEncoder *enc;
* enc = opus_encoder_create(Fs, channels, application, &error);
* @endcode
*
* From this point, @c enc can be used for encoding an audio stream. An encoder state
* @b must @b not be used for more than one stream at the same time. Similarly, the encoder
* state @b must @b not be re-initialized for each frame.
*
* While opus_encoder_create() allocates memory for the state, it's also possible
* to initialize pre-allocated memory:
*
* @code
* int size;
* int error;
* OpusEncoder *enc;
* size = opus_encoder_get_size(channels);
* enc = malloc(size);
* error = opus_encoder_init(enc, Fs, channels, application);
* @endcode
*
* where opus_encoder_get_size() returns the required size for the encoder state. Note that
* future versions of this code may change the size, so no assuptions should be made about it.
*
* The encoder state is always continuous in memory and only a shallow copy is sufficient
* to copy it (e.g. memcpy())
*
* It is possible to change some of the encoder's settings using the opus_encoder_ctl()
* interface. All these settings already default to the recommended value, so they should
* only be changed when necessary. The most common settings one may want to change are:
*
* @code
* opus_encoder_ctl(enc, OPUS_SET_BITRATE(bitrate));
* opus_encoder_ctl(enc, OPUS_SET_COMPLEXITY(complexity));
* opus_encoder_ctl(enc, OPUS_SET_SIGNAL(signal_type));
* @endcode
*
* where
*
* @arg bitrate is in bits per second (b/s)
* @arg complexity is a value from 1 to 10, where 1 is the lowest complexity and 10 is the highest
* @arg signal_type is either OPUS_AUTO (default), OPUS_SIGNAL_VOICE, or OPUS_SIGNAL_MUSIC
*
* See @ref opus_encoderctls and @ref opus_genericctls for a complete list of parameters that can be set or queried. Most parameters can be set or changed at any time during a stream.
*
* To encode a frame, opus_encode() or opus_encode_float() must be called with exactly one frame (2.5, 5, 10, 20, 40 or 60 ms) of audio data:
* @code
* len = opus_encode(enc, audio_frame, frame_size, packet, max_packet);
* @endcode
*
* where
* <ul>
* <li>audio_frame is the audio data in opus_int16 (or float for opus_encode_float())</li>
* <li>frame_size is the duration of the frame in samples (per channel)</li>
* <li>packet is the byte array to which the compressed data is written</li>
* <li>max_packet is the maximum number of bytes that can be written in the packet (4000 bytes is recommended).
* Do not use max_packet to control VBR target bitrate, instead use the #OPUS_SET_BITRATE CTL.</li>
* </ul>
*
* opus_encode() and opus_encode_float() return the number of bytes actually written to the packet.
* The return value <b>can be negative</b>, which indicates that an error has occurred. If the return value
* is 2 bytes or less, then the packet does not need to be transmitted (DTX).
*
* Once the encoder state if no longer needed, it can be destroyed with
*
* @code
* opus_encoder_destroy(enc);
* @endcode
*
* If the encoder was created with opus_encoder_init() rather than opus_encoder_create(),
* then no action is required aside from potentially freeing the memory that was manually
* allocated for it (calling free(enc) for the example above)
*
*/
/** Opus encoder state.
* This contains the complete state of an Opus encoder.
* It is position independent and can be freely copied.
* @see opus_encoder_create,opus_encoder_init
*/
typedef struct OpusEncoder OpusEncoder;
/** Gets the size of an <code>OpusEncoder</code> structure.
* @param[in] channels <tt>int</tt>: Number of channels.
* This must be 1 or 2.
* @returns The size in bytes.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_encoder_get_size(int channels);
/**
*/
/** Allocates and initializes an encoder state.
* There are three coding modes:
*
* @ref OPUS_APPLICATION_VOIP gives best quality at a given bitrate for voice
* signals. It enhances the input signal by high-pass filtering and
* emphasizing formants and harmonics. Optionally it includes in-band
* forward error correction to protect against packet loss. Use this
* mode for typical VoIP applications. Because of the enhancement,
* even at high bitrates the output may sound different from the input.
*
* @ref OPUS_APPLICATION_AUDIO gives best quality at a given bitrate for most
* non-voice signals like music. Use this mode for music and mixed
* (music/voice) content, broadcast, and applications requiring less
* than 15 ms of coding delay.
*
* @ref OPUS_APPLICATION_RESTRICTED_LOWDELAY configures low-delay mode that
* disables the speech-optimized mode in exchange for slightly reduced delay.
* This mode can only be set on an newly initialized or freshly reset encoder
* because it changes the codec delay.
*
* This is useful when the caller knows that the speech-optimized modes will not be needed (use with caution).
* @param [in] Fs <tt>opus_int32</tt>: Sampling rate of input signal (Hz)
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param [in] channels <tt>int</tt>: Number of channels (1 or 2) in input signal
* @param [in] application <tt>int</tt>: Coding mode (@ref OPUS_APPLICATION_VOIP/@ref OPUS_APPLICATION_AUDIO/@ref OPUS_APPLICATION_RESTRICTED_LOWDELAY)
* @param [out] error <tt>int*</tt>: @ref opus_errorcodes
* @note Regardless of the sampling rate and number channels selected, the Opus encoder
* can switch to a lower audio bandwidth or number of channels if the bitrate
* selected is too low. This also means that it is safe to always use 48 kHz stereo input
* and let the encoder optimize the encoding.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusEncoder *opus_encoder_create(
opus_int32 Fs,
int channels,
int application,
int *error
);
/** Initializes a previously allocated encoder state
* The memory pointed to by st must be at least the size returned by opus_encoder_get_size().
* This is intended for applications which use their own allocator instead of malloc.
* @see opus_encoder_create(),opus_encoder_get_size()
* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
* @param [in] st <tt>OpusEncoder*</tt>: Encoder state
* @param [in] Fs <tt>opus_int32</tt>: Sampling rate of input signal (Hz)
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param [in] channels <tt>int</tt>: Number of channels (1 or 2) in input signal
* @param [in] application <tt>int</tt>: Coding mode (OPUS_APPLICATION_VOIP/OPUS_APPLICATION_AUDIO/OPUS_APPLICATION_RESTRICTED_LOWDELAY)
* @retval #OPUS_OK Success or @ref opus_errorcodes
*/
OPUS_EXPORT int opus_encoder_init(
OpusEncoder *st,
opus_int32 Fs,
int channels,
int application
) OPUS_ARG_NONNULL(1);
/** Encodes an Opus frame.
* @param [in] st <tt>OpusEncoder*</tt>: Encoder state
* @param [in] pcm <tt>opus_int16*</tt>: Input signal (interleaved if 2 channels). length is frame_size*channels*sizeof(opus_int16)
* @param [in] frame_size <tt>int</tt>: Number of samples per channel in the
* input signal.
* This must be an Opus frame size for
* the encoder's sampling rate.
* For example, at 48 kHz the permitted
* values are 120, 240, 480, 960, 1920,
* and 2880.
* Passing in a duration of less than
* 10 ms (480 samples at 48 kHz) will
* prevent the encoder from using the LPC
* or hybrid modes.
* @param [out] data <tt>unsigned char*</tt>: Output payload.
* This must contain storage for at
* least \a max_data_bytes.
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
* memory for the output
* payload. This may be
* used to impose an upper limit on
* the instant bitrate, but should
* not be used as the only bitrate
* control. Use #OPUS_SET_BITRATE to
* control the bitrate.
* @returns The length of the encoded packet (in bytes) on success or a
* negative error code (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_encode(
OpusEncoder *st,
const opus_int16 *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Encodes an Opus frame from floating point input.
* @param [in] st <tt>OpusEncoder*</tt>: Encoder state
* @param [in] pcm <tt>float*</tt>: Input in float format (interleaved if 2 channels), with a normal range of +/-1.0.
* Samples with a range beyond +/-1.0 are supported but will
* be clipped by decoders using the integer API and should
* only be used if it is known that the far end supports
* extended dynamic range.
* length is frame_size*channels*sizeof(float)
* @param [in] frame_size <tt>int</tt>: Number of samples per channel in the
* input signal.
* This must be an Opus frame size for
* the encoder's sampling rate.
* For example, at 48 kHz the permitted
* values are 120, 240, 480, 960, 1920,
* and 2880.
* Passing in a duration of less than
* 10 ms (480 samples at 48 kHz) will
* prevent the encoder from using the LPC
* or hybrid modes.
* @param [out] data <tt>unsigned char*</tt>: Output payload.
* This must contain storage for at
* least \a max_data_bytes.
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
* memory for the output
* payload. This may be
* used to impose an upper limit on
* the instant bitrate, but should
* not be used as the only bitrate
* control. Use #OPUS_SET_BITRATE to
* control the bitrate.
* @returns The length of the encoded packet (in bytes) on success or a
* negative error code (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_encode_float(
OpusEncoder *st,
const float *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Frees an <code>OpusEncoder</code> allocated by opus_encoder_create().
* @param[in] st <tt>OpusEncoder*</tt>: State to be freed.
*/
OPUS_EXPORT void opus_encoder_destroy(OpusEncoder *st);
/** Perform a CTL function on an Opus encoder.
*
* Generally the request and subsequent arguments are generated
* by a convenience macro.
* @param st <tt>OpusEncoder*</tt>: Encoder state.
* @param request This and all remaining parameters should be replaced by one
* of the convenience macros in @ref opus_genericctls or
* @ref opus_encoderctls.
* @see opus_genericctls
* @see opus_encoderctls
*/
OPUS_EXPORT int opus_encoder_ctl(OpusEncoder *st, int request, ...) OPUS_ARG_NONNULL(1);
/**@}*/
/** @defgroup opus_decoder Opus Decoder
* @{
*
* @brief This page describes the process and functions used to decode Opus.
*
* The decoding process also starts with creating a decoder
* state. This can be done with:
* @code
* int error;
* OpusDecoder *dec;
* dec = opus_decoder_create(Fs, channels, &error);
* @endcode
* where
* @li Fs is the sampling rate and must be 8000, 12000, 16000, 24000, or 48000
* @li channels is the number of channels (1 or 2)
* @li error will hold the error code in case of failure (or #OPUS_OK on success)
* @li the return value is a newly created decoder state to be used for decoding
*
* While opus_decoder_create() allocates memory for the state, it's also possible
* to initialize pre-allocated memory:
* @code
* int size;
* int error;
* OpusDecoder *dec;
* size = opus_decoder_get_size(channels);
* dec = malloc(size);
* error = opus_decoder_init(dec, Fs, channels);
* @endcode
* where opus_decoder_get_size() returns the required size for the decoder state. Note that
* future versions of this code may change the size, so no assuptions should be made about it.
*
* The decoder state is always continuous in memory and only a shallow copy is sufficient
* to copy it (e.g. memcpy())
*
* To decode a frame, opus_decode() or opus_decode_float() must be called with a packet of compressed audio data:
* @code
* frame_size = opus_decode(dec, packet, len, decoded, max_size, 0);
* @endcode
* where
*
* @li packet is the byte array containing the compressed data
* @li len is the exact number of bytes contained in the packet
* @li decoded is the decoded audio data in opus_int16 (or float for opus_decode_float())
* @li max_size is the max duration of the frame in samples (per channel) that can fit into the decoded_frame array
*
* opus_decode() and opus_decode_float() return the number of samples (per channel) decoded from the packet.
* If that value is negative, then an error has occurred. This can occur if the packet is corrupted or if the audio
* buffer is too small to hold the decoded audio.
*
* Opus is a stateful codec with overlapping blocks and as a result Opus
* packets are not coded independently of each other. Packets must be
* passed into the decoder serially and in the correct order for a correct
* decode. Lost packets can be replaced with loss concealment by calling
* the decoder with a null pointer and zero length for the missing packet.
*
* A single codec state may only be accessed from a single thread at
* a time and any required locking must be performed by the caller. Separate
* streams must be decoded with separate decoder states and can be decoded
* in parallel unless the library was compiled with NONTHREADSAFE_PSEUDOSTACK
* defined.
*
*/
/** Opus decoder state.
* This contains the complete state of an Opus decoder.
* It is position independent and can be freely copied.
* @see opus_decoder_create,opus_decoder_init
*/
typedef struct OpusDecoder OpusDecoder;
/** Gets the size of an <code>OpusDecoder</code> structure.
* @param [in] channels <tt>int</tt>: Number of channels.
* This must be 1 or 2.
* @returns The size in bytes.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_decoder_get_size(int channels);
/** Allocates and initializes a decoder state.
* @param [in] Fs <tt>opus_int32</tt>: Sample rate to decode at (Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param [in] channels <tt>int</tt>: Number of channels (1 or 2) to decode
* @param [out] error <tt>int*</tt>: #OPUS_OK Success or @ref opus_errorcodes
*
* Internally Opus stores data at 48000 Hz, so that should be the default
* value for Fs. However, the decoder can efficiently decode to buffers
* at 8, 12, 16, and 24 kHz so if for some reason the caller cannot use
* data at the full sample rate, or knows the compressed data doesn't
* use the full frequency range, it can request decoding at a reduced
* rate. Likewise, the decoder is capable of filling in either mono or
* interleaved stereo pcm buffers, at the caller's request.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusDecoder *opus_decoder_create(
opus_int32 Fs,
int channels,
int *error
);
/** Initializes a previously allocated decoder state.
* The state must be at least the size returned by opus_decoder_get_size().
* This is intended for applications which use their own allocator instead of malloc. @see opus_decoder_create,opus_decoder_get_size
* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
* @param [in] st <tt>OpusDecoder*</tt>: Decoder state.
* @param [in] Fs <tt>opus_int32</tt>: Sampling rate to decode to (Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param [in] channels <tt>int</tt>: Number of channels (1 or 2) to decode
* @retval #OPUS_OK Success or @ref opus_errorcodes
*/
OPUS_EXPORT int opus_decoder_init(
OpusDecoder *st,
opus_int32 Fs,
int channels
) OPUS_ARG_NONNULL(1);
/** Decode an Opus packet.
* @param [in] st <tt>OpusDecoder*</tt>: Decoder state
* @param [in] data <tt>char*</tt>: Input payload. Use a NULL pointer to indicate packet loss
* @param [in] len <tt>opus_int32</tt>: Number of bytes in payload*
* @param [out] pcm <tt>opus_int16*</tt>: Output signal (interleaved if 2 channels). length
* is frame_size*channels*sizeof(opus_int16)
* @param [in] frame_size Number of samples per channel of available space in \a pcm.
* If this is less than the maximum packet duration (120ms; 5760 for 48kHz), this function will
* not be capable of decoding some packets. In the case of PLC (data==NULL) or FEC (decode_fec=1),
* then frame_size needs to be exactly the duration of audio that is missing, otherwise the
* decoder will not be in the optimal state to decode the next incoming packet. For the PLC and
* FEC cases, frame_size <b>must</b> be a multiple of 2.5 ms.
* @param [in] decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band forward error correction data be
* decoded. If no such data is available, the frame is decoded as if it were lost.
* @returns Number of decoded samples or @ref opus_errorcodes
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_decode(
OpusDecoder *st,
const unsigned char *data,
opus_int32 len,
opus_int16 *pcm,
int frame_size,
int decode_fec
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Decode an Opus packet with floating point output.
* @param [in] st <tt>OpusDecoder*</tt>: Decoder state
* @param [in] data <tt>char*</tt>: Input payload. Use a NULL pointer to indicate packet loss
* @param [in] len <tt>opus_int32</tt>: Number of bytes in payload
* @param [out] pcm <tt>float*</tt>: Output signal (interleaved if 2 channels). length
* is frame_size*channels*sizeof(float)
* @param [in] frame_size Number of samples per channel of available space in \a pcm.
* If this is less than the maximum packet duration (120ms; 5760 for 48kHz), this function will
* not be capable of decoding some packets. In the case of PLC (data==NULL) or FEC (decode_fec=1),
* then frame_size needs to be exactly the duration of audio that is missing, otherwise the
* decoder will not be in the optimal state to decode the next incoming packet. For the PLC and
* FEC cases, frame_size <b>must</b> be a multiple of 2.5 ms.
* @param [in] decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band forward error correction data be
* decoded. If no such data is available the frame is decoded as if it were lost.
* @returns Number of decoded samples or @ref opus_errorcodes
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_decode_float(
OpusDecoder *st,
const unsigned char *data,
opus_int32 len,
float *pcm,
int frame_size,
int decode_fec
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Perform a CTL function on an Opus decoder.
*
* Generally the request and subsequent arguments are generated
* by a convenience macro.
* @param st <tt>OpusDecoder*</tt>: Decoder state.
* @param request This and all remaining parameters should be replaced by one
* of the convenience macros in @ref opus_genericctls or
* @ref opus_decoderctls.
* @see opus_genericctls
* @see opus_decoderctls
*/
OPUS_EXPORT int opus_decoder_ctl(OpusDecoder *st, int request, ...) OPUS_ARG_NONNULL(1);
/** Frees an <code>OpusDecoder</code> allocated by opus_decoder_create().
* @param[in] st <tt>OpusDecoder*</tt>: State to be freed.
*/
OPUS_EXPORT void opus_decoder_destroy(OpusDecoder *st);
/** Parse an opus packet into one or more frames.
* Opus_decode will perform this operation internally so most applications do
* not need to use this function.
* This function does not copy the frames, the returned pointers are pointers into
* the input packet.
* @param [in] data <tt>char*</tt>: Opus packet to be parsed
* @param [in] len <tt>opus_int32</tt>: size of data
* @param [out] out_toc <tt>char*</tt>: TOC pointer
* @param [out] frames <tt>char*[48]</tt> encapsulated frames
* @param [out] size <tt>opus_int16[48]</tt> sizes of the encapsulated frames
* @param [out] payload_offset <tt>int*</tt>: returns the position of the payload within the packet (in bytes)
* @returns number of frames
*/
OPUS_EXPORT int opus_packet_parse(
const unsigned char *data,
opus_int32 len,
unsigned char *out_toc,
const unsigned char *frames[48],
opus_int16 size[48],
int *payload_offset
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(5);
/** Gets the bandwidth of an Opus packet.
* @param [in] data <tt>char*</tt>: Opus packet
* @retval OPUS_BANDWIDTH_NARROWBAND Narrowband (4kHz bandpass)
* @retval OPUS_BANDWIDTH_MEDIUMBAND Mediumband (6kHz bandpass)
* @retval OPUS_BANDWIDTH_WIDEBAND Wideband (8kHz bandpass)
* @retval OPUS_BANDWIDTH_SUPERWIDEBAND Superwideband (12kHz bandpass)
* @retval OPUS_BANDWIDTH_FULLBAND Fullband (20kHz bandpass)
* @retval OPUS_INVALID_PACKET The compressed data passed is corrupted or of an unsupported type
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_packet_get_bandwidth(const unsigned char *data) OPUS_ARG_NONNULL(1);
/** Gets the number of samples per frame from an Opus packet.
* @param [in] data <tt>char*</tt>: Opus packet.
* This must contain at least one byte of
* data.
* @param [in] Fs <tt>opus_int32</tt>: Sampling rate in Hz.
* This must be a multiple of 400, or
* inaccurate results will be returned.
* @returns Number of samples per frame.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_packet_get_samples_per_frame(const unsigned char *data, opus_int32 Fs) OPUS_ARG_NONNULL(1);
/** Gets the number of channels from an Opus packet.
* @param [in] data <tt>char*</tt>: Opus packet
* @returns Number of channels
* @retval OPUS_INVALID_PACKET The compressed data passed is corrupted or of an unsupported type
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_packet_get_nb_channels(const unsigned char *data) OPUS_ARG_NONNULL(1);
/** Gets the number of frames in an Opus packet.
* @param [in] packet <tt>char*</tt>: Opus packet
* @param [in] len <tt>opus_int32</tt>: Length of packet
* @returns Number of frames
* @retval OPUS_BAD_ARG Insufficient data was passed to the function
* @retval OPUS_INVALID_PACKET The compressed data passed is corrupted or of an unsupported type
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_packet_get_nb_frames(const unsigned char packet[], opus_int32 len) OPUS_ARG_NONNULL(1);
/** Gets the number of samples of an Opus packet.
* @param [in] packet <tt>char*</tt>: Opus packet
* @param [in] len <tt>opus_int32</tt>: Length of packet
* @param [in] Fs <tt>opus_int32</tt>: Sampling rate in Hz.
* This must be a multiple of 400, or
* inaccurate results will be returned.
* @returns Number of samples
* @retval OPUS_BAD_ARG Insufficient data was passed to the function
* @retval OPUS_INVALID_PACKET The compressed data passed is corrupted or of an unsupported type
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_packet_get_nb_samples(const unsigned char packet[], opus_int32 len, opus_int32 Fs) OPUS_ARG_NONNULL(1);
/** Gets the number of samples of an Opus packet.
* @param [in] dec <tt>OpusDecoder*</tt>: Decoder state
* @param [in] packet <tt>char*</tt>: Opus packet
* @param [in] len <tt>opus_int32</tt>: Length of packet
* @returns Number of samples
* @retval OPUS_BAD_ARG Insufficient data was passed to the function
* @retval OPUS_INVALID_PACKET The compressed data passed is corrupted or of an unsupported type
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_decoder_get_nb_samples(const OpusDecoder *dec, const unsigned char packet[], opus_int32 len) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2);
/** Applies soft-clipping to bring a float signal within the [-1,1] range. If
* the signal is already in that range, nothing is done. If there are values
* outside of [-1,1], then the signal is clipped as smoothly as possible to
* both fit in the range and avoid creating excessive distortion in the
* process.
* @param [in,out] pcm <tt>float*</tt>: Input PCM and modified PCM
* @param [in] frame_size <tt>int</tt> Number of samples per channel to process
* @param [in] channels <tt>int</tt>: Number of channels
* @param [in,out] softclip_mem <tt>float*</tt>: State memory for the soft clipping process (one float per channel, initialized to zero)
*/
OPUS_EXPORT void opus_pcm_soft_clip(float *pcm, int frame_size, int channels, float *softclip_mem);
/**@}*/
/** @defgroup opus_repacketizer Repacketizer
* @{
*
* The repacketizer can be used to merge multiple Opus packets into a single
* packet or alternatively to split Opus packets that have previously been
* merged. Splitting valid Opus packets is always guaranteed to succeed,
* whereas merging valid packets only succeeds if all frames have the same
* mode, bandwidth, and frame size, and when the total duration of the merged
* packet is no more than 120 ms. The 120 ms limit comes from the
* specification and limits decoder memory requirements at a point where
* framing overhead becomes negligible.
*
* The repacketizer currently only operates on elementary Opus
* streams. It will not manipualte multistream packets successfully, except in
* the degenerate case where they consist of data from a single stream.
*
* The repacketizing process starts with creating a repacketizer state, either
* by calling opus_repacketizer_create() or by allocating the memory yourself,
* e.g.,
* @code
* OpusRepacketizer *rp;
* rp = (OpusRepacketizer*)malloc(opus_repacketizer_get_size());
* if (rp != NULL)
* opus_repacketizer_init(rp);
* @endcode
*
* Then the application should submit packets with opus_repacketizer_cat(),
* extract new packets with opus_repacketizer_out() or
* opus_repacketizer_out_range(), and then reset the state for the next set of
* input packets via opus_repacketizer_init().
*
* For example, to split a sequence of packets into individual frames:
* @code
* unsigned char *data;
* int len;
* while (get_next_packet(&data, &len))
* {
* unsigned char out[1276];
* opus_int32 out_len;
* int nb_frames;
* int err;
* int i;
* err = opus_repacketizer_cat(rp, data, len);
* if (err != OPUS_OK)
* {
* release_packet(data);
* return err;
* }
* nb_frames = opus_repacketizer_get_nb_frames(rp);
* for (i = 0; i < nb_frames; i++)
* {
* out_len = opus_repacketizer_out_range(rp, i, i+1, out, sizeof(out));
* if (out_len < 0)
* {
* release_packet(data);
* return (int)out_len;
* }
* output_next_packet(out, out_len);
* }
* opus_repacketizer_init(rp);
* release_packet(data);
* }
* @endcode
*
* Alternatively, to combine a sequence of frames into packets that each
* contain up to <code>TARGET_DURATION_MS</code> milliseconds of data:
* @code
* // The maximum number of packets with duration TARGET_DURATION_MS occurs
* // when the frame size is 2.5 ms, for a total of (TARGET_DURATION_MS*2/5)
* // packets.
* unsigned char *data[(TARGET_DURATION_MS*2/5)+1];
* opus_int32 len[(TARGET_DURATION_MS*2/5)+1];
* int nb_packets;
* unsigned char out[1277*(TARGET_DURATION_MS*2/2)];
* opus_int32 out_len;
* int prev_toc;
* nb_packets = 0;
* while (get_next_packet(data+nb_packets, len+nb_packets))
* {
* int nb_frames;
* int err;
* nb_frames = opus_packet_get_nb_frames(data[nb_packets], len[nb_packets]);
* if (nb_frames < 1)
* {
* release_packets(data, nb_packets+1);
* return nb_frames;
* }
* nb_frames += opus_repacketizer_get_nb_frames(rp);
* // If adding the next packet would exceed our target, or it has an
* // incompatible TOC sequence, output the packets we already have before
* // submitting it.
* // N.B., The nb_packets > 0 check ensures we've submitted at least one
* // packet since the last call to opus_repacketizer_init(). Otherwise a
* // single packet longer than TARGET_DURATION_MS would cause us to try to
* // output an (invalid) empty packet. It also ensures that prev_toc has
* // been set to a valid value. Additionally, len[nb_packets] > 0 is
* // guaranteed by the call to opus_packet_get_nb_frames() above, so the
* // reference to data[nb_packets][0] should be valid.
* if (nb_packets > 0 && (
* ((prev_toc & 0xFC) != (data[nb_packets][0] & 0xFC)) ||
* opus_packet_get_samples_per_frame(data[nb_packets], 48000)*nb_frames >
* TARGET_DURATION_MS*48))
* {
* out_len = opus_repacketizer_out(rp, out, sizeof(out));
* if (out_len < 0)
* {
* release_packets(data, nb_packets+1);
* return (int)out_len;
* }
* output_next_packet(out, out_len);
* opus_repacketizer_init(rp);
* release_packets(data, nb_packets);
* data[0] = data[nb_packets];
* len[0] = len[nb_packets];
* nb_packets = 0;
* }
* err = opus_repacketizer_cat(rp, data[nb_packets], len[nb_packets]);
* if (err != OPUS_OK)
* {
* release_packets(data, nb_packets+1);
* return err;
* }
* prev_toc = data[nb_packets][0];
* nb_packets++;
* }
* // Output the final, partial packet.
* if (nb_packets > 0)
* {
* out_len = opus_repacketizer_out(rp, out, sizeof(out));
* release_packets(data, nb_packets);
* if (out_len < 0)
* return (int)out_len;
* output_next_packet(out, out_len);
* }
* @endcode
*
* An alternate way of merging packets is to simply call opus_repacketizer_cat()
* unconditionally until it fails. At that point, the merged packet can be
* obtained with opus_repacketizer_out() and the input packet for which
* opus_repacketizer_cat() needs to be re-added to a newly reinitialized
* repacketizer state.
*/
typedef struct OpusRepacketizer OpusRepacketizer;
/** Gets the size of an <code>OpusRepacketizer</code> structure.
* @returns The size in bytes.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_repacketizer_get_size(void);
/** (Re)initializes a previously allocated repacketizer state.
* The state must be at least the size returned by opus_repacketizer_get_size().
* This can be used for applications which use their own allocator instead of
* malloc().
* It must also be called to reset the queue of packets waiting to be
* repacketized, which is necessary if the maximum packet duration of 120 ms
* is reached or if you wish to submit packets with a different Opus
* configuration (coding mode, audio bandwidth, frame size, or channel count).
* Failure to do so will prevent a new packet from being added with
* opus_repacketizer_cat().
* @see opus_repacketizer_create
* @see opus_repacketizer_get_size
* @see opus_repacketizer_cat
* @param rp <tt>OpusRepacketizer*</tt>: The repacketizer state to
* (re)initialize.
* @returns A pointer to the same repacketizer state that was passed in.
*/
OPUS_EXPORT OpusRepacketizer *opus_repacketizer_init(OpusRepacketizer *rp) OPUS_ARG_NONNULL(1);
/** Allocates memory and initializes the new repacketizer with
* opus_repacketizer_init().
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusRepacketizer *opus_repacketizer_create(void);
/** Frees an <code>OpusRepacketizer</code> allocated by
* opus_repacketizer_create().
* @param[in] rp <tt>OpusRepacketizer*</tt>: State to be freed.
*/
OPUS_EXPORT void opus_repacketizer_destroy(OpusRepacketizer *rp);
/** Add a packet to the current repacketizer state.
* This packet must match the configuration of any packets already submitted
* for repacketization since the last call to opus_repacketizer_init().
* This means that it must have the same coding mode, audio bandwidth, frame
* size, and channel count.
* This can be checked in advance by examining the top 6 bits of the first
* byte of the packet, and ensuring they match the top 6 bits of the first
* byte of any previously submitted packet.
* The total duration of audio in the repacketizer state also must not exceed
* 120 ms, the maximum duration of a single packet, after adding this packet.
*
* The contents of the current repacketizer state can be extracted into new
* packets using opus_repacketizer_out() or opus_repacketizer_out_range().
*
* In order to add a packet with a different configuration or to add more
* audio beyond 120 ms, you must clear the repacketizer state by calling
* opus_repacketizer_init().
* If a packet is too large to add to the current repacketizer state, no part
* of it is added, even if it contains multiple frames, some of which might
* fit.
* If you wish to be able to add parts of such packets, you should first use
* another repacketizer to split the packet into pieces and add them
* individually.
* @see opus_repacketizer_out_range
* @see opus_repacketizer_out
* @see opus_repacketizer_init
* @param rp <tt>OpusRepacketizer*</tt>: The repacketizer state to which to
* add the packet.
* @param[in] data <tt>const unsigned char*</tt>: The packet data.
* The application must ensure
* this pointer remains valid
* until the next call to
* opus_repacketizer_init() or
* opus_repacketizer_destroy().
* @param len <tt>opus_int32</tt>: The number of bytes in the packet data.
* @returns An error code indicating whether or not the operation succeeded.
* @retval #OPUS_OK The packet's contents have been added to the repacketizer
* state.
* @retval #OPUS_INVALID_PACKET The packet did not have a valid TOC sequence,
* the packet's TOC sequence was not compatible
* with previously submitted packets (because
* the coding mode, audio bandwidth, frame size,
* or channel count did not match), or adding
* this packet would increase the total amount of
* audio stored in the repacketizer state to more
* than 120 ms.
*/
OPUS_EXPORT int opus_repacketizer_cat(OpusRepacketizer *rp, const unsigned char *data, opus_int32 len) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2);
/** Construct a new packet from data previously submitted to the repacketizer
* state via opus_repacketizer_cat().
* @param rp <tt>OpusRepacketizer*</tt>: The repacketizer state from which to
* construct the new packet.
* @param begin <tt>int</tt>: The index of the first frame in the current
* repacketizer state to include in the output.
* @param end <tt>int</tt>: One past the index of the last frame in the
* current repacketizer state to include in the
* output.
* @param[out] data <tt>const unsigned char*</tt>: The buffer in which to
* store the output packet.
* @param maxlen <tt>opus_int32</tt>: The maximum number of bytes to store in
* the output buffer. In order to guarantee
* success, this should be at least
* <code>1276</code> for a single frame,
* or for multiple frames,
* <code>1277*(end-begin)</code>.
* However, <code>1*(end-begin)</code> plus
* the size of all packet data submitted to
* the repacketizer since the last call to
* opus_repacketizer_init() or
* opus_repacketizer_create() is also
* sufficient, and possibly much smaller.
* @returns The total size of the output packet on success, or an error code
* on failure.
* @retval #OPUS_BAD_ARG <code>[begin,end)</code> was an invalid range of
* frames (begin < 0, begin >= end, or end >
* opus_repacketizer_get_nb_frames()).
* @retval #OPUS_BUFFER_TOO_SMALL \a maxlen was insufficient to contain the
* complete output packet.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsigned char *data, opus_int32 maxlen) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Return the total number of frames contained in packet data submitted to
* the repacketizer state so far via opus_repacketizer_cat() since the last
* call to opus_repacketizer_init() or opus_repacketizer_create().
* This defines the valid range of packets that can be extracted with
* opus_repacketizer_out_range() or opus_repacketizer_out().
* @param rp <tt>OpusRepacketizer*</tt>: The repacketizer state containing the
* frames.
* @returns The total number of frames contained in the packet data submitted
* to the repacketizer state.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_repacketizer_get_nb_frames(OpusRepacketizer *rp) OPUS_ARG_NONNULL(1);
/** Construct a new packet from data previously submitted to the repacketizer
* state via opus_repacketizer_cat().
* This is a convenience routine that returns all the data submitted so far
* in a single packet.
* It is equivalent to calling
* @code
* opus_repacketizer_out_range(rp, 0, opus_repacketizer_get_nb_frames(rp),
* data, maxlen)
* @endcode
* @param rp <tt>OpusRepacketizer*</tt>: The repacketizer state from which to
* construct the new packet.
* @param[out] data <tt>const unsigned char*</tt>: The buffer in which to
* store the output packet.
* @param maxlen <tt>opus_int32</tt>: The maximum number of bytes to store in
* the output buffer. In order to guarantee
* success, this should be at least
* <code>1277*opus_repacketizer_get_nb_frames(rp)</code>.
* However,
* <code>1*opus_repacketizer_get_nb_frames(rp)</code>
* plus the size of all packet data
* submitted to the repacketizer since the
* last call to opus_repacketizer_init() or
* opus_repacketizer_create() is also
* sufficient, and possibly much smaller.
* @returns The total size of the output packet on success, or an error code
* on failure.
* @retval #OPUS_BUFFER_TOO_SMALL \a maxlen was insufficient to contain the
* complete output packet.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_repacketizer_out(OpusRepacketizer *rp, unsigned char *data, opus_int32 maxlen) OPUS_ARG_NONNULL(1);
/** Pads a given Opus packet to a larger size (possibly changing the TOC sequence).
* @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the
* packet to pad.
* @param len <tt>opus_int32</tt>: The size of the packet.
* This must be at least 1.
* @param new_len <tt>opus_int32</tt>: The desired size of the packet after padding.
* This must be at least as large as len.
* @returns an error code
* @retval #OPUS_OK \a on success.
* @retval #OPUS_BAD_ARG \a len was less than 1 or new_len was less than len.
* @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet.
*/
OPUS_EXPORT int opus_packet_pad(unsigned char *data, opus_int32 len, opus_int32 new_len);
/** Remove all padding from a given Opus packet and rewrite the TOC sequence to
* minimize space usage.
* @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the
* packet to strip.
* @param len <tt>opus_int32</tt>: The size of the packet.
* This must be at least 1.
* @returns The new size of the output packet on success, or an error code
* on failure.
* @retval #OPUS_BAD_ARG \a len was less than 1.
* @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_packet_unpad(unsigned char *data, opus_int32 len);
/** Pads a given Opus multi-stream packet to a larger size (possibly changing the TOC sequence).
* @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the
* packet to pad.
* @param len <tt>opus_int32</tt>: The size of the packet.
* This must be at least 1.
* @param new_len <tt>opus_int32</tt>: The desired size of the packet after padding.
* This must be at least 1.
* @param nb_streams <tt>opus_int32</tt>: The number of streams (not channels) in the packet.
* This must be at least as large as len.
* @returns an error code
* @retval #OPUS_OK \a on success.
* @retval #OPUS_BAD_ARG \a len was less than 1.
* @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet.
*/
OPUS_EXPORT int opus_multistream_packet_pad(unsigned char *data, opus_int32 len, opus_int32 new_len, int nb_streams);
/** Remove all padding from a given Opus multi-stream packet and rewrite the TOC sequence to
* minimize space usage.
* @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the
* packet to strip.
* @param len <tt>opus_int32</tt>: The size of the packet.
* This must be at least 1.
* @param nb_streams <tt>opus_int32</tt>: The number of streams (not channels) in the packet.
* This must be at least 1.
* @returns The new size of the output packet on success, or an error code
* on failure.
* @retval #OPUS_BAD_ARG \a len was less than 1 or new_len was less than len.
* @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_multistream_packet_unpad(unsigned char *data, opus_int32 len, int nb_streams);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* OPUS_H */

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/* Copyright (c) 2007-2008 CSIRO
Copyright (c) 2007-2009 Xiph.Org Foundation
Copyright (c) 2008-2012 Gregory Maxwell
Written by Jean-Marc Valin and Gregory Maxwell */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
@file opus_custom.h
@brief Opus-Custom reference implementation API
*/
#ifndef OPUS_CUSTOM_H
#define OPUS_CUSTOM_H
#include "opus_defines.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef CUSTOM_MODES
# define OPUS_CUSTOM_EXPORT OPUS_EXPORT
# define OPUS_CUSTOM_EXPORT_STATIC OPUS_EXPORT
#else
# define OPUS_CUSTOM_EXPORT
# ifdef OPUS_BUILD
# define OPUS_CUSTOM_EXPORT_STATIC static OPUS_INLINE
# else
# define OPUS_CUSTOM_EXPORT_STATIC
# endif
#endif
/** @defgroup opus_custom Opus Custom
* @{
* Opus Custom is an optional part of the Opus specification and
* reference implementation which uses a distinct API from the regular
* API and supports frame sizes that are not normally supported.\ Use
* of Opus Custom is discouraged for all but very special applications
* for which a frame size different from 2.5, 5, 10, or 20 ms is needed
* (for either complexity or latency reasons) and where interoperability
* is less important.
*
* In addition to the interoperability limitations the use of Opus custom
* disables a substantial chunk of the codec and generally lowers the
* quality available at a given bitrate. Normally when an application needs
* a different frame size from the codec it should buffer to match the
* sizes but this adds a small amount of delay which may be important
* in some very low latency applications. Some transports (especially
* constant rate RF transports) may also work best with frames of
* particular durations.
*
* Libopus only supports custom modes if they are enabled at compile time.
*
* The Opus Custom API is similar to the regular API but the
* @ref opus_encoder_create and @ref opus_decoder_create calls take
* an additional mode parameter which is a structure produced by
* a call to @ref opus_custom_mode_create. Both the encoder and decoder
* must create a mode using the same sample rate (fs) and frame size
* (frame size) so these parameters must either be signaled out of band
* or fixed in a particular implementation.
*
* Similar to regular Opus the custom modes support on the fly frame size
* switching, but the sizes available depend on the particular frame size in
* use. For some initial frame sizes on a single on the fly size is available.
*/
/** Contains the state of an encoder. One encoder state is needed
for each stream. It is initialized once at the beginning of the
stream. Do *not* re-initialize the state for every frame.
@brief Encoder state
*/
typedef struct OpusCustomEncoder OpusCustomEncoder;
/** State of the decoder. One decoder state is needed for each stream.
It is initialized once at the beginning of the stream. Do *not*
re-initialize the state for every frame.
@brief Decoder state
*/
typedef struct OpusCustomDecoder OpusCustomDecoder;
/** The mode contains all the information necessary to create an
encoder. Both the encoder and decoder need to be initialized
with exactly the same mode, otherwise the output will be
corrupted.
@brief Mode configuration
*/
typedef struct OpusCustomMode OpusCustomMode;
/** Creates a new mode struct. This will be passed to an encoder or
* decoder. The mode MUST NOT BE DESTROYED until the encoders and
* decoders that use it are destroyed as well.
* @param [in] Fs <tt>int</tt>: Sampling rate (8000 to 96000 Hz)
* @param [in] frame_size <tt>int</tt>: Number of samples (per channel) to encode in each
* packet (64 - 1024, prime factorization must contain zero or more 2s, 3s, or 5s and no other primes)
* @param [out] error <tt>int*</tt>: Returned error code (if NULL, no error will be returned)
* @return A newly created mode
*/
OPUS_CUSTOM_EXPORT OPUS_WARN_UNUSED_RESULT OpusCustomMode *opus_custom_mode_create(opus_int32 Fs, int frame_size, int *error);
/** Destroys a mode struct. Only call this after all encoders and
* decoders using this mode are destroyed as well.
* @param [in] mode <tt>OpusCustomMode*</tt>: Mode to be freed.
*/
OPUS_CUSTOM_EXPORT void opus_custom_mode_destroy(OpusCustomMode *mode);
#if !defined(OPUS_BUILD) || defined(CELT_ENCODER_C)
/* Encoder */
/** Gets the size of an OpusCustomEncoder structure.
* @param [in] mode <tt>OpusCustomMode *</tt>: Mode configuration
* @param [in] channels <tt>int</tt>: Number of channels
* @returns size
*/
OPUS_CUSTOM_EXPORT_STATIC OPUS_WARN_UNUSED_RESULT int opus_custom_encoder_get_size(
const OpusCustomMode *mode,
int channels
) OPUS_ARG_NONNULL(1);
# ifdef CUSTOM_MODES
/** Initializes a previously allocated encoder state
* The memory pointed to by st must be the size returned by opus_custom_encoder_get_size.
* This is intended for applications which use their own allocator instead of malloc.
* @see opus_custom_encoder_create(),opus_custom_encoder_get_size()
* To reset a previously initialized state use the OPUS_RESET_STATE CTL.
* @param [in] st <tt>OpusCustomEncoder*</tt>: Encoder state
* @param [in] mode <tt>OpusCustomMode *</tt>: Contains all the information about the characteristics of
* the stream (must be the same characteristics as used for the
* decoder)
* @param [in] channels <tt>int</tt>: Number of channels
* @return OPUS_OK Success or @ref opus_errorcodes
*/
OPUS_CUSTOM_EXPORT int opus_custom_encoder_init(
OpusCustomEncoder *st,
const OpusCustomMode *mode,
int channels
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2);
# endif
#endif
/** Creates a new encoder state. Each stream needs its own encoder
* state (can't be shared across simultaneous streams).
* @param [in] mode <tt>OpusCustomMode*</tt>: Contains all the information about the characteristics of
* the stream (must be the same characteristics as used for the
* decoder)
* @param [in] channels <tt>int</tt>: Number of channels
* @param [out] error <tt>int*</tt>: Returns an error code
* @return Newly created encoder state.
*/
OPUS_CUSTOM_EXPORT OPUS_WARN_UNUSED_RESULT OpusCustomEncoder *opus_custom_encoder_create(
const OpusCustomMode *mode,
int channels,
int *error
) OPUS_ARG_NONNULL(1);
/** Destroys a an encoder state.
* @param[in] st <tt>OpusCustomEncoder*</tt>: State to be freed.
*/
OPUS_CUSTOM_EXPORT void opus_custom_encoder_destroy(OpusCustomEncoder *st);
/** Encodes a frame of audio.
* @param [in] st <tt>OpusCustomEncoder*</tt>: Encoder state
* @param [in] pcm <tt>float*</tt>: PCM audio in float format, with a normal range of +/-1.0.
* Samples with a range beyond +/-1.0 are supported but will
* be clipped by decoders using the integer API and should
* only be used if it is known that the far end supports
* extended dynamic range. There must be exactly
* frame_size samples per channel.
* @param [in] frame_size <tt>int</tt>: Number of samples per frame of input signal
* @param [out] compressed <tt>char *</tt>: The compressed data is written here. This may not alias pcm and must be at least maxCompressedBytes long.
* @param [in] maxCompressedBytes <tt>int</tt>: Maximum number of bytes to use for compressing the frame
* (can change from one frame to another)
* @return Number of bytes written to "compressed".
* If negative, an error has occurred (see error codes). It is IMPORTANT that
* the length returned be somehow transmitted to the decoder. Otherwise, no
* decoding is possible.
*/
OPUS_CUSTOM_EXPORT OPUS_WARN_UNUSED_RESULT int opus_custom_encode_float(
OpusCustomEncoder *st,
const float *pcm,
int frame_size,
unsigned char *compressed,
int maxCompressedBytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Encodes a frame of audio.
* @param [in] st <tt>OpusCustomEncoder*</tt>: Encoder state
* @param [in] pcm <tt>opus_int16*</tt>: PCM audio in signed 16-bit format (native endian).
* There must be exactly frame_size samples per channel.
* @param [in] frame_size <tt>int</tt>: Number of samples per frame of input signal
* @param [out] compressed <tt>char *</tt>: The compressed data is written here. This may not alias pcm and must be at least maxCompressedBytes long.
* @param [in] maxCompressedBytes <tt>int</tt>: Maximum number of bytes to use for compressing the frame
* (can change from one frame to another)
* @return Number of bytes written to "compressed".
* If negative, an error has occurred (see error codes). It is IMPORTANT that
* the length returned be somehow transmitted to the decoder. Otherwise, no
* decoding is possible.
*/
OPUS_CUSTOM_EXPORT OPUS_WARN_UNUSED_RESULT int opus_custom_encode(
OpusCustomEncoder *st,
const opus_int16 *pcm,
int frame_size,
unsigned char *compressed,
int maxCompressedBytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Perform a CTL function on an Opus custom encoder.
*
* Generally the request and subsequent arguments are generated
* by a convenience macro.
* @see opus_encoderctls
*/
OPUS_CUSTOM_EXPORT int opus_custom_encoder_ctl(OpusCustomEncoder * OPUS_RESTRICT st, int request, ...) OPUS_ARG_NONNULL(1);
#if !defined(OPUS_BUILD) || defined(CELT_DECODER_C)
/* Decoder */
/** Gets the size of an OpusCustomDecoder structure.
* @param [in] mode <tt>OpusCustomMode *</tt>: Mode configuration
* @param [in] channels <tt>int</tt>: Number of channels
* @returns size
*/
OPUS_CUSTOM_EXPORT_STATIC OPUS_WARN_UNUSED_RESULT int opus_custom_decoder_get_size(
const OpusCustomMode *mode,
int channels
) OPUS_ARG_NONNULL(1);
/** Initializes a previously allocated decoder state
* The memory pointed to by st must be the size returned by opus_custom_decoder_get_size.
* This is intended for applications which use their own allocator instead of malloc.
* @see opus_custom_decoder_create(),opus_custom_decoder_get_size()
* To reset a previously initialized state use the OPUS_RESET_STATE CTL.
* @param [in] st <tt>OpusCustomDecoder*</tt>: Decoder state
* @param [in] mode <tt>OpusCustomMode *</tt>: Contains all the information about the characteristics of
* the stream (must be the same characteristics as used for the
* encoder)
* @param [in] channels <tt>int</tt>: Number of channels
* @return OPUS_OK Success or @ref opus_errorcodes
*/
OPUS_CUSTOM_EXPORT_STATIC int opus_custom_decoder_init(
OpusCustomDecoder *st,
const OpusCustomMode *mode,
int channels
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2);
#endif
/** Creates a new decoder state. Each stream needs its own decoder state (can't
* be shared across simultaneous streams).
* @param [in] mode <tt>OpusCustomMode</tt>: Contains all the information about the characteristics of the
* stream (must be the same characteristics as used for the encoder)
* @param [in] channels <tt>int</tt>: Number of channels
* @param [out] error <tt>int*</tt>: Returns an error code
* @return Newly created decoder state.
*/
OPUS_CUSTOM_EXPORT OPUS_WARN_UNUSED_RESULT OpusCustomDecoder *opus_custom_decoder_create(
const OpusCustomMode *mode,
int channels,
int *error
) OPUS_ARG_NONNULL(1);
/** Destroys a an decoder state.
* @param[in] st <tt>OpusCustomDecoder*</tt>: State to be freed.
*/
OPUS_CUSTOM_EXPORT void opus_custom_decoder_destroy(OpusCustomDecoder *st);
/** Decode an opus custom frame with floating point output
* @param [in] st <tt>OpusCustomDecoder*</tt>: Decoder state
* @param [in] data <tt>char*</tt>: Input payload. Use a NULL pointer to indicate packet loss
* @param [in] len <tt>int</tt>: Number of bytes in payload
* @param [out] pcm <tt>float*</tt>: Output signal (interleaved if 2 channels). length
* is frame_size*channels*sizeof(float)
* @param [in] frame_size Number of samples per channel of available space in *pcm.
* @returns Number of decoded samples or @ref opus_errorcodes
*/
OPUS_CUSTOM_EXPORT OPUS_WARN_UNUSED_RESULT int opus_custom_decode_float(
OpusCustomDecoder *st,
const unsigned char *data,
int len,
float *pcm,
int frame_size
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Decode an opus custom frame
* @param [in] st <tt>OpusCustomDecoder*</tt>: Decoder state
* @param [in] data <tt>char*</tt>: Input payload. Use a NULL pointer to indicate packet loss
* @param [in] len <tt>int</tt>: Number of bytes in payload
* @param [out] pcm <tt>opus_int16*</tt>: Output signal (interleaved if 2 channels). length
* is frame_size*channels*sizeof(opus_int16)
* @param [in] frame_size Number of samples per channel of available space in *pcm.
* @returns Number of decoded samples or @ref opus_errorcodes
*/
OPUS_CUSTOM_EXPORT OPUS_WARN_UNUSED_RESULT int opus_custom_decode(
OpusCustomDecoder *st,
const unsigned char *data,
int len,
opus_int16 *pcm,
int frame_size
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Perform a CTL function on an Opus custom decoder.
*
* Generally the request and subsequent arguments are generated
* by a convenience macro.
* @see opus_genericctls
*/
OPUS_CUSTOM_EXPORT int opus_custom_decoder_ctl(OpusCustomDecoder * OPUS_RESTRICT st, int request, ...) OPUS_ARG_NONNULL(1);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* OPUS_CUSTOM_H */

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/* Copyright (c) 2010-2011 Xiph.Org Foundation, Skype Limited
Written by Jean-Marc Valin and Koen Vos */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file opus_defines.h
* @brief Opus reference implementation constants
*/
#ifndef OPUS_DEFINES_H
#define OPUS_DEFINES_H
#include "opus_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/** @defgroup opus_errorcodes Error codes
* @{
*/
/** No error @hideinitializer*/
#define OPUS_OK 0
/** One or more invalid/out of range arguments @hideinitializer*/
#define OPUS_BAD_ARG -1
/** Not enough bytes allocated in the buffer @hideinitializer*/
#define OPUS_BUFFER_TOO_SMALL -2
/** An internal error was detected @hideinitializer*/
#define OPUS_INTERNAL_ERROR -3
/** The compressed data passed is corrupted @hideinitializer*/
#define OPUS_INVALID_PACKET -4
/** Invalid/unsupported request number @hideinitializer*/
#define OPUS_UNIMPLEMENTED -5
/** An encoder or decoder structure is invalid or already freed @hideinitializer*/
#define OPUS_INVALID_STATE -6
/** Memory allocation has failed @hideinitializer*/
#define OPUS_ALLOC_FAIL -7
/**@}*/
/** @cond OPUS_INTERNAL_DOC */
/**Export control for opus functions */
#ifndef OPUS_EXPORT
# if defined(WIN32)
# if defined(OPUS_BUILD) && defined(DLL_EXPORT)
# define OPUS_EXPORT __declspec(dllexport)
# else
# define OPUS_EXPORT
# endif
# elif defined(__GNUC__) && defined(OPUS_BUILD)
# define OPUS_EXPORT __attribute__ ((visibility ("default")))
# else
# define OPUS_EXPORT
# endif
#endif
# if !defined(OPUS_GNUC_PREREQ)
# if defined(__GNUC__)&&defined(__GNUC_MINOR__)
# define OPUS_GNUC_PREREQ(_maj,_min) \
((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
# else
# define OPUS_GNUC_PREREQ(_maj,_min) 0
# endif
# endif
#if (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L) )
# if OPUS_GNUC_PREREQ(3,0)
# define OPUS_RESTRICT __restrict__
# elif (defined(_MSC_VER) && _MSC_VER >= 1400)
# define OPUS_RESTRICT __restrict
# else
# define OPUS_RESTRICT
# endif
#else
# define OPUS_RESTRICT restrict
#endif
#if (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L) )
# if OPUS_GNUC_PREREQ(2,7)
# define OPUS_INLINE __inline__
# elif (defined(_MSC_VER))
# define OPUS_INLINE __inline
# else
# define OPUS_INLINE
# endif
#else
# define OPUS_INLINE inline
#endif
/**Warning attributes for opus functions
* NONNULL is not used in OPUS_BUILD to avoid the compiler optimizing out
* some paranoid null checks. */
#if defined(__GNUC__) && OPUS_GNUC_PREREQ(3, 4)
# define OPUS_WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
#else
# define OPUS_WARN_UNUSED_RESULT
#endif
#if !defined(OPUS_BUILD) && defined(__GNUC__) && OPUS_GNUC_PREREQ(3, 4)
# define OPUS_ARG_NONNULL(_x) __attribute__ ((__nonnull__(_x)))
#else
# define OPUS_ARG_NONNULL(_x)
#endif
/** These are the actual Encoder CTL ID numbers.
* They should not be used directly by applications.
* In general, SETs should be even and GETs should be odd.*/
#define OPUS_SET_APPLICATION_REQUEST 4000
#define OPUS_GET_APPLICATION_REQUEST 4001
#define OPUS_SET_BITRATE_REQUEST 4002
#define OPUS_GET_BITRATE_REQUEST 4003
#define OPUS_SET_MAX_BANDWIDTH_REQUEST 4004
#define OPUS_GET_MAX_BANDWIDTH_REQUEST 4005
#define OPUS_SET_VBR_REQUEST 4006
#define OPUS_GET_VBR_REQUEST 4007
#define OPUS_SET_BANDWIDTH_REQUEST 4008
#define OPUS_GET_BANDWIDTH_REQUEST 4009
#define OPUS_SET_COMPLEXITY_REQUEST 4010
#define OPUS_GET_COMPLEXITY_REQUEST 4011
#define OPUS_SET_INBAND_FEC_REQUEST 4012
#define OPUS_GET_INBAND_FEC_REQUEST 4013
#define OPUS_SET_PACKET_LOSS_PERC_REQUEST 4014
#define OPUS_GET_PACKET_LOSS_PERC_REQUEST 4015
#define OPUS_SET_DTX_REQUEST 4016
#define OPUS_GET_DTX_REQUEST 4017
#define OPUS_SET_VBR_CONSTRAINT_REQUEST 4020
#define OPUS_GET_VBR_CONSTRAINT_REQUEST 4021
#define OPUS_SET_FORCE_CHANNELS_REQUEST 4022
#define OPUS_GET_FORCE_CHANNELS_REQUEST 4023
#define OPUS_SET_SIGNAL_REQUEST 4024
#define OPUS_GET_SIGNAL_REQUEST 4025
#define OPUS_GET_LOOKAHEAD_REQUEST 4027
/* #define OPUS_RESET_STATE 4028 */
#define OPUS_GET_SAMPLE_RATE_REQUEST 4029
#define OPUS_GET_FINAL_RANGE_REQUEST 4031
#define OPUS_GET_PITCH_REQUEST 4033
#define OPUS_SET_GAIN_REQUEST 4034
#define OPUS_GET_GAIN_REQUEST 4045 /* Should have been 4035 */
#define OPUS_SET_LSB_DEPTH_REQUEST 4036
#define OPUS_GET_LSB_DEPTH_REQUEST 4037
#define OPUS_GET_LAST_PACKET_DURATION_REQUEST 4039
#define OPUS_SET_EXPERT_FRAME_DURATION_REQUEST 4040
#define OPUS_GET_EXPERT_FRAME_DURATION_REQUEST 4041
#define OPUS_SET_PREDICTION_DISABLED_REQUEST 4042
#define OPUS_GET_PREDICTION_DISABLED_REQUEST 4043
/* Don't use 4045, it's already taken by OPUS_GET_GAIN_REQUEST */
#define OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST 4046
#define OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST 4047
/** Defines for the presence of extended APIs. */
#define OPUS_HAVE_OPUS_PROJECTION_H
/* Macros to trigger compilation errors when the wrong types are provided to a CTL */
#define __opus_check_int(x) (((void)((x) == (opus_int32)0)), (opus_int32)(x))
#define __opus_check_int_ptr(ptr) ((ptr) + ((ptr) - (opus_int32*)(ptr)))
#define __opus_check_uint_ptr(ptr) ((ptr) + ((ptr) - (opus_uint32*)(ptr)))
#define __opus_check_val16_ptr(ptr) ((ptr) + ((ptr) - (opus_val16*)(ptr)))
/** @endcond */
/** @defgroup opus_ctlvalues Pre-defined values for CTL interface
* @see opus_genericctls, opus_encoderctls
* @{
*/
/* Values for the various encoder CTLs */
#define OPUS_AUTO -1000 /**<Auto/default setting @hideinitializer*/
#define OPUS_BITRATE_MAX -1 /**<Maximum bitrate @hideinitializer*/
/** Best for most VoIP/videoconference applications where listening quality and intelligibility matter most
* @hideinitializer */
#define OPUS_APPLICATION_VOIP 2048
/** Best for broadcast/high-fidelity application where the decoded audio should be as close as possible to the input
* @hideinitializer */
#define OPUS_APPLICATION_AUDIO 2049
/** Only use when lowest-achievable latency is what matters most. Voice-optimized modes cannot be used.
* @hideinitializer */
#define OPUS_APPLICATION_RESTRICTED_LOWDELAY 2051
#define OPUS_SIGNAL_VOICE 3001 /**< Signal being encoded is voice */
#define OPUS_SIGNAL_MUSIC 3002 /**< Signal being encoded is music */
#define OPUS_BANDWIDTH_NARROWBAND 1101 /**< 4 kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_MEDIUMBAND 1102 /**< 6 kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_WIDEBAND 1103 /**< 8 kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_SUPERWIDEBAND 1104 /**<12 kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_FULLBAND 1105 /**<20 kHz bandpass @hideinitializer*/
#define OPUS_FRAMESIZE_ARG 5000 /**< Select frame size from the argument (default) */
#define OPUS_FRAMESIZE_2_5_MS 5001 /**< Use 2.5 ms frames */
#define OPUS_FRAMESIZE_5_MS 5002 /**< Use 5 ms frames */
#define OPUS_FRAMESIZE_10_MS 5003 /**< Use 10 ms frames */
#define OPUS_FRAMESIZE_20_MS 5004 /**< Use 20 ms frames */
#define OPUS_FRAMESIZE_40_MS 5005 /**< Use 40 ms frames */
#define OPUS_FRAMESIZE_60_MS 5006 /**< Use 60 ms frames */
#define OPUS_FRAMESIZE_80_MS 5007 /**< Use 80 ms frames */
#define OPUS_FRAMESIZE_100_MS 5008 /**< Use 100 ms frames */
#define OPUS_FRAMESIZE_120_MS 5009 /**< Use 120 ms frames */
/**@}*/
/** @defgroup opus_encoderctls Encoder related CTLs
*
* These are convenience macros for use with the \c opus_encode_ctl
* interface. They are used to generate the appropriate series of
* arguments for that call, passing the correct type, size and so
* on as expected for each particular request.
*
* Some usage examples:
*
* @code
* int ret;
* ret = opus_encoder_ctl(enc_ctx, OPUS_SET_BANDWIDTH(OPUS_AUTO));
* if (ret != OPUS_OK) return ret;
*
* opus_int32 rate;
* opus_encoder_ctl(enc_ctx, OPUS_GET_BANDWIDTH(&rate));
*
* opus_encoder_ctl(enc_ctx, OPUS_RESET_STATE);
* @endcode
*
* @see opus_genericctls, opus_encoder
* @{
*/
/** Configures the encoder's computational complexity.
* The supported range is 0-10 inclusive with 10 representing the highest complexity.
* @see OPUS_GET_COMPLEXITY
* @param[in] x <tt>opus_int32</tt>: Allowed values: 0-10, inclusive.
*
* @hideinitializer */
#define OPUS_SET_COMPLEXITY(x) OPUS_SET_COMPLEXITY_REQUEST, __opus_check_int(x)
/** Gets the encoder's complexity configuration.
* @see OPUS_SET_COMPLEXITY
* @param[out] x <tt>opus_int32 *</tt>: Returns a value in the range 0-10,
* inclusive.
* @hideinitializer */
#define OPUS_GET_COMPLEXITY(x) OPUS_GET_COMPLEXITY_REQUEST, __opus_check_int_ptr(x)
/** Configures the bitrate in the encoder.
* Rates from 500 to 512000 bits per second are meaningful, as well as the
* special values #OPUS_AUTO and #OPUS_BITRATE_MAX.
* The value #OPUS_BITRATE_MAX can be used to cause the codec to use as much
* rate as it can, which is useful for controlling the rate by adjusting the
* output buffer size.
* @see OPUS_GET_BITRATE
* @param[in] x <tt>opus_int32</tt>: Bitrate in bits per second. The default
* is determined based on the number of
* channels and the input sampling rate.
* @hideinitializer */
#define OPUS_SET_BITRATE(x) OPUS_SET_BITRATE_REQUEST, __opus_check_int(x)
/** Gets the encoder's bitrate configuration.
* @see OPUS_SET_BITRATE
* @param[out] x <tt>opus_int32 *</tt>: Returns the bitrate in bits per second.
* The default is determined based on the
* number of channels and the input
* sampling rate.
* @hideinitializer */
#define OPUS_GET_BITRATE(x) OPUS_GET_BITRATE_REQUEST, __opus_check_int_ptr(x)
/** Enables or disables variable bitrate (VBR) in the encoder.
* The configured bitrate may not be met exactly because frames must
* be an integer number of bytes in length.
* @see OPUS_GET_VBR
* @see OPUS_SET_VBR_CONSTRAINT
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>0</dt><dd>Hard CBR. For LPC/hybrid modes at very low bit-rate, this can
* cause noticeable quality degradation.</dd>
* <dt>1</dt><dd>VBR (default). The exact type of VBR is controlled by
* #OPUS_SET_VBR_CONSTRAINT.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_VBR(x) OPUS_SET_VBR_REQUEST, __opus_check_int(x)
/** Determine if variable bitrate (VBR) is enabled in the encoder.
* @see OPUS_SET_VBR
* @see OPUS_GET_VBR_CONSTRAINT
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>0</dt><dd>Hard CBR.</dd>
* <dt>1</dt><dd>VBR (default). The exact type of VBR may be retrieved via
* #OPUS_GET_VBR_CONSTRAINT.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_VBR(x) OPUS_GET_VBR_REQUEST, __opus_check_int_ptr(x)
/** Enables or disables constrained VBR in the encoder.
* This setting is ignored when the encoder is in CBR mode.
* @warning Only the MDCT mode of Opus currently heeds the constraint.
* Speech mode ignores it completely, hybrid mode may fail to obey it
* if the LPC layer uses more bitrate than the constraint would have
* permitted.
* @see OPUS_GET_VBR_CONSTRAINT
* @see OPUS_SET_VBR
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>0</dt><dd>Unconstrained VBR.</dd>
* <dt>1</dt><dd>Constrained VBR (default). This creates a maximum of one
* frame of buffering delay assuming a transport with a
* serialization speed of the nominal bitrate.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_VBR_CONSTRAINT(x) OPUS_SET_VBR_CONSTRAINT_REQUEST, __opus_check_int(x)
/** Determine if constrained VBR is enabled in the encoder.
* @see OPUS_SET_VBR_CONSTRAINT
* @see OPUS_GET_VBR
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>0</dt><dd>Unconstrained VBR.</dd>
* <dt>1</dt><dd>Constrained VBR (default).</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_VBR_CONSTRAINT(x) OPUS_GET_VBR_CONSTRAINT_REQUEST, __opus_check_int_ptr(x)
/** Configures mono/stereo forcing in the encoder.
* This can force the encoder to produce packets encoded as either mono or
* stereo, regardless of the format of the input audio. This is useful when
* the caller knows that the input signal is currently a mono source embedded
* in a stereo stream.
* @see OPUS_GET_FORCE_CHANNELS
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>#OPUS_AUTO</dt><dd>Not forced (default)</dd>
* <dt>1</dt> <dd>Forced mono</dd>
* <dt>2</dt> <dd>Forced stereo</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_FORCE_CHANNELS(x) OPUS_SET_FORCE_CHANNELS_REQUEST, __opus_check_int(x)
/** Gets the encoder's forced channel configuration.
* @see OPUS_SET_FORCE_CHANNELS
* @param[out] x <tt>opus_int32 *</tt>:
* <dl>
* <dt>#OPUS_AUTO</dt><dd>Not forced (default)</dd>
* <dt>1</dt> <dd>Forced mono</dd>
* <dt>2</dt> <dd>Forced stereo</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_FORCE_CHANNELS(x) OPUS_GET_FORCE_CHANNELS_REQUEST, __opus_check_int_ptr(x)
/** Configures the maximum bandpass that the encoder will select automatically.
* Applications should normally use this instead of #OPUS_SET_BANDWIDTH
* (leaving that set to the default, #OPUS_AUTO). This allows the
* application to set an upper bound based on the type of input it is
* providing, but still gives the encoder the freedom to reduce the bandpass
* when the bitrate becomes too low, for better overall quality.
* @see OPUS_GET_MAX_BANDWIDTH
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>OPUS_BANDWIDTH_NARROWBAND</dt> <dd>4 kHz passband</dd>
* <dt>OPUS_BANDWIDTH_MEDIUMBAND</dt> <dd>6 kHz passband</dd>
* <dt>OPUS_BANDWIDTH_WIDEBAND</dt> <dd>8 kHz passband</dd>
* <dt>OPUS_BANDWIDTH_SUPERWIDEBAND</dt><dd>12 kHz passband</dd>
* <dt>OPUS_BANDWIDTH_FULLBAND</dt> <dd>20 kHz passband (default)</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_MAX_BANDWIDTH(x) OPUS_SET_MAX_BANDWIDTH_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured maximum allowed bandpass.
* @see OPUS_SET_MAX_BANDWIDTH
* @param[out] x <tt>opus_int32 *</tt>: Allowed values:
* <dl>
* <dt>#OPUS_BANDWIDTH_NARROWBAND</dt> <dd>4 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_MEDIUMBAND</dt> <dd>6 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_WIDEBAND</dt> <dd>8 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_SUPERWIDEBAND</dt><dd>12 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_FULLBAND</dt> <dd>20 kHz passband (default)</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_MAX_BANDWIDTH(x) OPUS_GET_MAX_BANDWIDTH_REQUEST, __opus_check_int_ptr(x)
/** Sets the encoder's bandpass to a specific value.
* This prevents the encoder from automatically selecting the bandpass based
* on the available bitrate. If an application knows the bandpass of the input
* audio it is providing, it should normally use #OPUS_SET_MAX_BANDWIDTH
* instead, which still gives the encoder the freedom to reduce the bandpass
* when the bitrate becomes too low, for better overall quality.
* @see OPUS_GET_BANDWIDTH
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>#OPUS_AUTO</dt> <dd>(default)</dd>
* <dt>#OPUS_BANDWIDTH_NARROWBAND</dt> <dd>4 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_MEDIUMBAND</dt> <dd>6 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_WIDEBAND</dt> <dd>8 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_SUPERWIDEBAND</dt><dd>12 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_FULLBAND</dt> <dd>20 kHz passband</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_BANDWIDTH(x) OPUS_SET_BANDWIDTH_REQUEST, __opus_check_int(x)
/** Configures the type of signal being encoded.
* This is a hint which helps the encoder's mode selection.
* @see OPUS_GET_SIGNAL
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>#OPUS_AUTO</dt> <dd>(default)</dd>
* <dt>#OPUS_SIGNAL_VOICE</dt><dd>Bias thresholds towards choosing LPC or Hybrid modes.</dd>
* <dt>#OPUS_SIGNAL_MUSIC</dt><dd>Bias thresholds towards choosing MDCT modes.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_SIGNAL(x) OPUS_SET_SIGNAL_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured signal type.
* @see OPUS_SET_SIGNAL
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>#OPUS_AUTO</dt> <dd>(default)</dd>
* <dt>#OPUS_SIGNAL_VOICE</dt><dd>Bias thresholds towards choosing LPC or Hybrid modes.</dd>
* <dt>#OPUS_SIGNAL_MUSIC</dt><dd>Bias thresholds towards choosing MDCT modes.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_SIGNAL(x) OPUS_GET_SIGNAL_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's intended application.
* The initial value is a mandatory argument to the encoder_create function.
* @see OPUS_GET_APPLICATION
* @param[in] x <tt>opus_int32</tt>: Returns one of the following values:
* <dl>
* <dt>#OPUS_APPLICATION_VOIP</dt>
* <dd>Process signal for improved speech intelligibility.</dd>
* <dt>#OPUS_APPLICATION_AUDIO</dt>
* <dd>Favor faithfulness to the original input.</dd>
* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
* <dd>Configure the minimum possible coding delay by disabling certain modes
* of operation.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_APPLICATION(x) OPUS_SET_APPLICATION_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured application.
* @see OPUS_SET_APPLICATION
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>#OPUS_APPLICATION_VOIP</dt>
* <dd>Process signal for improved speech intelligibility.</dd>
* <dt>#OPUS_APPLICATION_AUDIO</dt>
* <dd>Favor faithfulness to the original input.</dd>
* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
* <dd>Configure the minimum possible coding delay by disabling certain modes
* of operation.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_APPLICATION(x) OPUS_GET_APPLICATION_REQUEST, __opus_check_int_ptr(x)
/** Gets the total samples of delay added by the entire codec.
* This can be queried by the encoder and then the provided number of samples can be
* skipped on from the start of the decoder's output to provide time aligned input
* and output. From the perspective of a decoding application the real data begins this many
* samples late.
*
* The decoder contribution to this delay is identical for all decoders, but the
* encoder portion of the delay may vary from implementation to implementation,
* version to version, or even depend on the encoder's initial configuration.
* Applications needing delay compensation should call this CTL rather than
* hard-coding a value.
* @param[out] x <tt>opus_int32 *</tt>: Number of lookahead samples
* @hideinitializer */
#define OPUS_GET_LOOKAHEAD(x) OPUS_GET_LOOKAHEAD_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's use of inband forward error correction (FEC).
* @note This is only applicable to the LPC layer
* @see OPUS_GET_INBAND_FEC
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>0</dt><dd>Disable inband FEC (default).</dd>
* <dt>1</dt><dd>Enable inband FEC.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_INBAND_FEC(x) OPUS_SET_INBAND_FEC_REQUEST, __opus_check_int(x)
/** Gets encoder's configured use of inband forward error correction.
* @see OPUS_SET_INBAND_FEC
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>0</dt><dd>Inband FEC disabled (default).</dd>
* <dt>1</dt><dd>Inband FEC enabled.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_INBAND_FEC(x) OPUS_GET_INBAND_FEC_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's expected packet loss percentage.
* Higher values trigger progressively more loss resistant behavior in the encoder
* at the expense of quality at a given bitrate in the absence of packet loss, but
* greater quality under loss.
* @see OPUS_GET_PACKET_LOSS_PERC
* @param[in] x <tt>opus_int32</tt>: Loss percentage in the range 0-100, inclusive (default: 0).
* @hideinitializer */
#define OPUS_SET_PACKET_LOSS_PERC(x) OPUS_SET_PACKET_LOSS_PERC_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured packet loss percentage.
* @see OPUS_SET_PACKET_LOSS_PERC
* @param[out] x <tt>opus_int32 *</tt>: Returns the configured loss percentage
* in the range 0-100, inclusive (default: 0).
* @hideinitializer */
#define OPUS_GET_PACKET_LOSS_PERC(x) OPUS_GET_PACKET_LOSS_PERC_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's use of discontinuous transmission (DTX).
* @note This is only applicable to the LPC layer
* @see OPUS_GET_DTX
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>0</dt><dd>Disable DTX (default).</dd>
* <dt>1</dt><dd>Enabled DTX.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_DTX(x) OPUS_SET_DTX_REQUEST, __opus_check_int(x)
/** Gets encoder's configured use of discontinuous transmission.
* @see OPUS_SET_DTX
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>0</dt><dd>DTX disabled (default).</dd>
* <dt>1</dt><dd>DTX enabled.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_DTX(x) OPUS_GET_DTX_REQUEST, __opus_check_int_ptr(x)
/** Configures the depth of signal being encoded.
*
* This is a hint which helps the encoder identify silence and near-silence.
* It represents the number of significant bits of linear intensity below
* which the signal contains ignorable quantization or other noise.
*
* For example, OPUS_SET_LSB_DEPTH(14) would be an appropriate setting
* for G.711 u-law input. OPUS_SET_LSB_DEPTH(16) would be appropriate
* for 16-bit linear pcm input with opus_encode_float().
*
* When using opus_encode() instead of opus_encode_float(), or when libopus
* is compiled for fixed-point, the encoder uses the minimum of the value
* set here and the value 16.
*
* @see OPUS_GET_LSB_DEPTH
* @param[in] x <tt>opus_int32</tt>: Input precision in bits, between 8 and 24
* (default: 24).
* @hideinitializer */
#define OPUS_SET_LSB_DEPTH(x) OPUS_SET_LSB_DEPTH_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured signal depth.
* @see OPUS_SET_LSB_DEPTH
* @param[out] x <tt>opus_int32 *</tt>: Input precision in bits, between 8 and
* 24 (default: 24).
* @hideinitializer */
#define OPUS_GET_LSB_DEPTH(x) OPUS_GET_LSB_DEPTH_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's use of variable duration frames.
* When variable duration is enabled, the encoder is free to use a shorter frame
* size than the one requested in the opus_encode*() call.
* It is then the user's responsibility
* to verify how much audio was encoded by checking the ToC byte of the encoded
* packet. The part of the audio that was not encoded needs to be resent to the
* encoder for the next call. Do not use this option unless you <b>really</b>
* know what you are doing.
* @see OPUS_GET_EXPERT_FRAME_DURATION
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>OPUS_FRAMESIZE_ARG</dt><dd>Select frame size from the argument (default).</dd>
* <dt>OPUS_FRAMESIZE_2_5_MS</dt><dd>Use 2.5 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_5_MS</dt><dd>Use 5 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_10_MS</dt><dd>Use 10 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_20_MS</dt><dd>Use 20 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_40_MS</dt><dd>Use 40 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_60_MS</dt><dd>Use 60 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_80_MS</dt><dd>Use 80 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_100_MS</dt><dd>Use 100 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_120_MS</dt><dd>Use 120 ms frames.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_EXPERT_FRAME_DURATION(x) OPUS_SET_EXPERT_FRAME_DURATION_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured use of variable duration frames.
* @see OPUS_SET_EXPERT_FRAME_DURATION
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>OPUS_FRAMESIZE_ARG</dt><dd>Select frame size from the argument (default).</dd>
* <dt>OPUS_FRAMESIZE_2_5_MS</dt><dd>Use 2.5 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_5_MS</dt><dd>Use 5 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_10_MS</dt><dd>Use 10 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_20_MS</dt><dd>Use 20 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_40_MS</dt><dd>Use 40 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_60_MS</dt><dd>Use 60 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_80_MS</dt><dd>Use 80 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_100_MS</dt><dd>Use 100 ms frames.</dd>
* <dt>OPUS_FRAMESIZE_120_MS</dt><dd>Use 120 ms frames.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_EXPERT_FRAME_DURATION(x) OPUS_GET_EXPERT_FRAME_DURATION_REQUEST, __opus_check_int_ptr(x)
/** If set to 1, disables almost all use of prediction, making frames almost
* completely independent. This reduces quality.
* @see OPUS_GET_PREDICTION_DISABLED
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>0</dt><dd>Enable prediction (default).</dd>
* <dt>1</dt><dd>Disable prediction.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_PREDICTION_DISABLED(x) OPUS_SET_PREDICTION_DISABLED_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured prediction status.
* @see OPUS_SET_PREDICTION_DISABLED
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>0</dt><dd>Prediction enabled (default).</dd>
* <dt>1</dt><dd>Prediction disabled.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_PREDICTION_DISABLED(x) OPUS_GET_PREDICTION_DISABLED_REQUEST, __opus_check_int_ptr(x)
/**@}*/
/** @defgroup opus_genericctls Generic CTLs
*
* These macros are used with the \c opus_decoder_ctl and
* \c opus_encoder_ctl calls to generate a particular
* request.
*
* When called on an \c OpusDecoder they apply to that
* particular decoder instance. When called on an
* \c OpusEncoder they apply to the corresponding setting
* on that encoder instance, if present.
*
* Some usage examples:
*
* @code
* int ret;
* opus_int32 pitch;
* ret = opus_decoder_ctl(dec_ctx, OPUS_GET_PITCH(&pitch));
* if (ret == OPUS_OK) return ret;
*
* opus_encoder_ctl(enc_ctx, OPUS_RESET_STATE);
* opus_decoder_ctl(dec_ctx, OPUS_RESET_STATE);
*
* opus_int32 enc_bw, dec_bw;
* opus_encoder_ctl(enc_ctx, OPUS_GET_BANDWIDTH(&enc_bw));
* opus_decoder_ctl(dec_ctx, OPUS_GET_BANDWIDTH(&dec_bw));
* if (enc_bw != dec_bw) {
* printf("packet bandwidth mismatch!\n");
* }
* @endcode
*
* @see opus_encoder, opus_decoder_ctl, opus_encoder_ctl, opus_decoderctls, opus_encoderctls
* @{
*/
/** Resets the codec state to be equivalent to a freshly initialized state.
* This should be called when switching streams in order to prevent
* the back to back decoding from giving different results from
* one at a time decoding.
* @hideinitializer */
#define OPUS_RESET_STATE 4028
/** Gets the final state of the codec's entropy coder.
* This is used for testing purposes,
* The encoder and decoder state should be identical after coding a payload
* (assuming no data corruption or software bugs)
*
* @param[out] x <tt>opus_uint32 *</tt>: Entropy coder state
*
* @hideinitializer */
#define OPUS_GET_FINAL_RANGE(x) OPUS_GET_FINAL_RANGE_REQUEST, __opus_check_uint_ptr(x)
/** Gets the encoder's configured bandpass or the decoder's last bandpass.
* @see OPUS_SET_BANDWIDTH
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>#OPUS_AUTO</dt> <dd>(default)</dd>
* <dt>#OPUS_BANDWIDTH_NARROWBAND</dt> <dd>4 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_MEDIUMBAND</dt> <dd>6 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_WIDEBAND</dt> <dd>8 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_SUPERWIDEBAND</dt><dd>12 kHz passband</dd>
* <dt>#OPUS_BANDWIDTH_FULLBAND</dt> <dd>20 kHz passband</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_BANDWIDTH(x) OPUS_GET_BANDWIDTH_REQUEST, __opus_check_int_ptr(x)
/** Gets the sampling rate the encoder or decoder was initialized with.
* This simply returns the <code>Fs</code> value passed to opus_encoder_init()
* or opus_decoder_init().
* @param[out] x <tt>opus_int32 *</tt>: Sampling rate of encoder or decoder.
* @hideinitializer
*/
#define OPUS_GET_SAMPLE_RATE(x) OPUS_GET_SAMPLE_RATE_REQUEST, __opus_check_int_ptr(x)
/** If set to 1, disables the use of phase inversion for intensity stereo,
* improving the quality of mono downmixes, but slightly reducing normal
* stereo quality. Disabling phase inversion in the decoder does not comply
* with RFC 6716, although it does not cause any interoperability issue and
* is expected to become part of the Opus standard once RFC 6716 is updated
* by draft-ietf-codec-opus-update.
* @see OPUS_GET_PHASE_INVERSION_DISABLED
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>
* <dt>0</dt><dd>Enable phase inversion (default).</dd>
* <dt>1</dt><dd>Disable phase inversion.</dd>
* </dl>
* @hideinitializer */
#define OPUS_SET_PHASE_INVERSION_DISABLED(x) OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured phase inversion status.
* @see OPUS_SET_PHASE_INVERSION_DISABLED
* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
* <dl>
* <dt>0</dt><dd>Stereo phase inversion enabled (default).</dd>
* <dt>1</dt><dd>Stereo phase inversion disabled.</dd>
* </dl>
* @hideinitializer */
#define OPUS_GET_PHASE_INVERSION_DISABLED(x) OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST, __opus_check_int_ptr(x)
/**@}*/
/** @defgroup opus_decoderctls Decoder related CTLs
* @see opus_genericctls, opus_encoderctls, opus_decoder
* @{
*/
/** Configures decoder gain adjustment.
* Scales the decoded output by a factor specified in Q8 dB units.
* This has a maximum range of -32768 to 32767 inclusive, and returns
* OPUS_BAD_ARG otherwise. The default is zero indicating no adjustment.
* This setting survives decoder reset.
*
* gain = pow(10, x/(20.0*256))
*
* @param[in] x <tt>opus_int32</tt>: Amount to scale PCM signal by in Q8 dB units.
* @hideinitializer */
#define OPUS_SET_GAIN(x) OPUS_SET_GAIN_REQUEST, __opus_check_int(x)
/** Gets the decoder's configured gain adjustment. @see OPUS_SET_GAIN
*
* @param[out] x <tt>opus_int32 *</tt>: Amount to scale PCM signal by in Q8 dB units.
* @hideinitializer */
#define OPUS_GET_GAIN(x) OPUS_GET_GAIN_REQUEST, __opus_check_int_ptr(x)
/** Gets the duration (in samples) of the last packet successfully decoded or concealed.
* @param[out] x <tt>opus_int32 *</tt>: Number of samples (at current sampling rate).
* @hideinitializer */
#define OPUS_GET_LAST_PACKET_DURATION(x) OPUS_GET_LAST_PACKET_DURATION_REQUEST, __opus_check_int_ptr(x)
/** Gets the pitch of the last decoded frame, if available.
* This can be used for any post-processing algorithm requiring the use of pitch,
* e.g. time stretching/shortening. If the last frame was not voiced, or if the
* pitch was not coded in the frame, then zero is returned.
*
* This CTL is only implemented for decoder instances.
*
* @param[out] x <tt>opus_int32 *</tt>: pitch period at 48 kHz (or 0 if not available)
*
* @hideinitializer */
#define OPUS_GET_PITCH(x) OPUS_GET_PITCH_REQUEST, __opus_check_int_ptr(x)
/**@}*/
/** @defgroup opus_libinfo Opus library information functions
* @{
*/
/** Converts an opus error code into a human readable string.
*
* @param[in] error <tt>int</tt>: Error number
* @returns Error string
*/
OPUS_EXPORT const char *opus_strerror(int error);
/** Gets the libopus version string.
*
* Applications may look for the substring "-fixed" in the version string to
* determine whether they have a fixed-point or floating-point build at
* runtime.
*
* @returns Version string
*/
OPUS_EXPORT const char *opus_get_version_string(void);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* OPUS_DEFINES_H */

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/* Copyright (c) 2011 Xiph.Org Foundation
Written by Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file opus_multistream.h
* @brief Opus reference implementation multistream API
*/
#ifndef OPUS_MULTISTREAM_H
#define OPUS_MULTISTREAM_H
#include "opus.h"
#ifdef __cplusplus
extern "C" {
#endif
/** @cond OPUS_INTERNAL_DOC */
/** Macros to trigger compilation errors when the wrong types are provided to a
* CTL. */
/**@{*/
#define __opus_check_encstate_ptr(ptr) ((ptr) + ((ptr) - (OpusEncoder**)(ptr)))
#define __opus_check_decstate_ptr(ptr) ((ptr) + ((ptr) - (OpusDecoder**)(ptr)))
/**@}*/
/** These are the actual encoder and decoder CTL ID numbers.
* They should not be used directly by applications.
* In general, SETs should be even and GETs should be odd.*/
/**@{*/
#define OPUS_MULTISTREAM_GET_ENCODER_STATE_REQUEST 5120
#define OPUS_MULTISTREAM_GET_DECODER_STATE_REQUEST 5122
/**@}*/
/** @endcond */
/** @defgroup opus_multistream_ctls Multistream specific encoder and decoder CTLs
*
* These are convenience macros that are specific to the
* opus_multistream_encoder_ctl() and opus_multistream_decoder_ctl()
* interface.
* The CTLs from @ref opus_genericctls, @ref opus_encoderctls, and
* @ref opus_decoderctls may be applied to a multistream encoder or decoder as
* well.
* In addition, you may retrieve the encoder or decoder state for an specific
* stream via #OPUS_MULTISTREAM_GET_ENCODER_STATE or
* #OPUS_MULTISTREAM_GET_DECODER_STATE and apply CTLs to it individually.
*/
/**@{*/
/** Gets the encoder state for an individual stream of a multistream encoder.
* @param[in] x <tt>opus_int32</tt>: The index of the stream whose encoder you
* wish to retrieve.
* This must be non-negative and less than
* the <code>streams</code> parameter used
* to initialize the encoder.
* @param[out] y <tt>OpusEncoder**</tt>: Returns a pointer to the given
* encoder state.
* @retval OPUS_BAD_ARG The index of the requested stream was out of range.
* @hideinitializer
*/
#define OPUS_MULTISTREAM_GET_ENCODER_STATE(x,y) OPUS_MULTISTREAM_GET_ENCODER_STATE_REQUEST, __opus_check_int(x), __opus_check_encstate_ptr(y)
/** Gets the decoder state for an individual stream of a multistream decoder.
* @param[in] x <tt>opus_int32</tt>: The index of the stream whose decoder you
* wish to retrieve.
* This must be non-negative and less than
* the <code>streams</code> parameter used
* to initialize the decoder.
* @param[out] y <tt>OpusDecoder**</tt>: Returns a pointer to the given
* decoder state.
* @retval OPUS_BAD_ARG The index of the requested stream was out of range.
* @hideinitializer
*/
#define OPUS_MULTISTREAM_GET_DECODER_STATE(x,y) OPUS_MULTISTREAM_GET_DECODER_STATE_REQUEST, __opus_check_int(x), __opus_check_decstate_ptr(y)
/**@}*/
/** @defgroup opus_multistream Opus Multistream API
* @{
*
* The multistream API allows individual Opus streams to be combined into a
* single packet, enabling support for up to 255 channels. Unlike an
* elementary Opus stream, the encoder and decoder must negotiate the channel
* configuration before the decoder can successfully interpret the data in the
* packets produced by the encoder. Some basic information, such as packet
* duration, can be computed without any special negotiation.
*
* The format for multistream Opus packets is defined in
* <a href="https://tools.ietf.org/html/rfc7845">RFC 7845</a>
* and is based on the self-delimited Opus framing described in Appendix B of
* <a href="https://tools.ietf.org/html/rfc6716">RFC 6716</a>.
* Normal Opus packets are just a degenerate case of multistream Opus packets,
* and can be encoded or decoded with the multistream API by setting
* <code>streams</code> to <code>1</code> when initializing the encoder or
* decoder.
*
* Multistream Opus streams can contain up to 255 elementary Opus streams.
* These may be either "uncoupled" or "coupled", indicating that the decoder
* is configured to decode them to either 1 or 2 channels, respectively.
* The streams are ordered so that all coupled streams appear at the
* beginning.
*
* A <code>mapping</code> table defines which decoded channel <code>i</code>
* should be used for each input/output (I/O) channel <code>j</code>. This table is
* typically provided as an unsigned char array.
* Let <code>i = mapping[j]</code> be the index for I/O channel <code>j</code>.
* If <code>i < 2*coupled_streams</code>, then I/O channel <code>j</code> is
* encoded as the left channel of stream <code>(i/2)</code> if <code>i</code>
* is even, or as the right channel of stream <code>(i/2)</code> if
* <code>i</code> is odd. Otherwise, I/O channel <code>j</code> is encoded as
* mono in stream <code>(i - coupled_streams)</code>, unless it has the special
* value 255, in which case it is omitted from the encoding entirely (the
* decoder will reproduce it as silence). Each value <code>i</code> must either
* be the special value 255 or be less than <code>streams + coupled_streams</code>.
*
* The output channels specified by the encoder
* should use the
* <a href="https://www.xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-810004.3.9">Vorbis
* channel ordering</a>. A decoder may wish to apply an additional permutation
* to the mapping the encoder used to achieve a different output channel
* order (e.g. for outputing in WAV order).
*
* Each multistream packet contains an Opus packet for each stream, and all of
* the Opus packets in a single multistream packet must have the same
* duration. Therefore the duration of a multistream packet can be extracted
* from the TOC sequence of the first stream, which is located at the
* beginning of the packet, just like an elementary Opus stream:
*
* @code
* int nb_samples;
* int nb_frames;
* nb_frames = opus_packet_get_nb_frames(data, len);
* if (nb_frames < 1)
* return nb_frames;
* nb_samples = opus_packet_get_samples_per_frame(data, 48000) * nb_frames;
* @endcode
*
* The general encoding and decoding process proceeds exactly the same as in
* the normal @ref opus_encoder and @ref opus_decoder APIs.
* See their documentation for an overview of how to use the corresponding
* multistream functions.
*/
/** Opus multistream encoder state.
* This contains the complete state of a multistream Opus encoder.
* It is position independent and can be freely copied.
* @see opus_multistream_encoder_create
* @see opus_multistream_encoder_init
*/
typedef struct OpusMSEncoder OpusMSEncoder;
/** Opus multistream decoder state.
* This contains the complete state of a multistream Opus decoder.
* It is position independent and can be freely copied.
* @see opus_multistream_decoder_create
* @see opus_multistream_decoder_init
*/
typedef struct OpusMSDecoder OpusMSDecoder;
/**\name Multistream encoder functions */
/**@{*/
/** Gets the size of an OpusMSEncoder structure.
* @param streams <tt>int</tt>: The total number of streams to encode from the
* input.
* This must be no more than 255.
* @param coupled_streams <tt>int</tt>: Number of coupled (2 channel) streams
* to encode.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* encoded channels (<code>streams +
* coupled_streams</code>) must be no
* more than 255.
* @returns The size in bytes on success, or a negative error code
* (see @ref opus_errorcodes) on error.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_multistream_encoder_get_size(
int streams,
int coupled_streams
);
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_multistream_surround_encoder_get_size(
int channels,
int mapping_family
);
/** Allocates and initializes a multistream encoder state.
* Call opus_multistream_encoder_destroy() to release
* this object when finished.
* @param Fs <tt>opus_int32</tt>: Sampling rate of the input signal (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels in the input signal.
* This must be at most 255.
* It may be greater than the number of
* coded channels (<code>streams +
* coupled_streams</code>).
* @param streams <tt>int</tt>: The total number of streams to encode from the
* input.
* This must be no more than the number of channels.
* @param coupled_streams <tt>int</tt>: Number of coupled (2 channel) streams
* to encode.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* encoded channels (<code>streams +
* coupled_streams</code>) must be no
* more than the number of input channels.
* @param[in] mapping <code>const unsigned char[channels]</code>: Mapping from
* encoded channels to input channels, as described in
* @ref opus_multistream. As an extra constraint, the
* multistream encoder does not allow encoding coupled
* streams for which one channel is unused since this
* is never a good idea.
* @param application <tt>int</tt>: The target encoder application.
* This must be one of the following:
* <dl>
* <dt>#OPUS_APPLICATION_VOIP</dt>
* <dd>Process signal for improved speech intelligibility.</dd>
* <dt>#OPUS_APPLICATION_AUDIO</dt>
* <dd>Favor faithfulness to the original input.</dd>
* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
* <dd>Configure the minimum possible coding delay by disabling certain modes
* of operation.</dd>
* </dl>
* @param[out] error <tt>int *</tt>: Returns #OPUS_OK on success, or an error
* code (see @ref opus_errorcodes) on
* failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusMSEncoder *opus_multistream_encoder_create(
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping,
int application,
int *error
) OPUS_ARG_NONNULL(5);
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusMSEncoder *opus_multistream_surround_encoder_create(
opus_int32 Fs,
int channels,
int mapping_family,
int *streams,
int *coupled_streams,
unsigned char *mapping,
int application,
int *error
) OPUS_ARG_NONNULL(4) OPUS_ARG_NONNULL(5) OPUS_ARG_NONNULL(6);
/** Initialize a previously allocated multistream encoder state.
* The memory pointed to by \a st must be at least the size returned by
* opus_multistream_encoder_get_size().
* This is intended for applications which use their own allocator instead of
* malloc.
* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
* @see opus_multistream_encoder_create
* @see opus_multistream_encoder_get_size
* @param st <tt>OpusMSEncoder*</tt>: Multistream encoder state to initialize.
* @param Fs <tt>opus_int32</tt>: Sampling rate of the input signal (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels in the input signal.
* This must be at most 255.
* It may be greater than the number of
* coded channels (<code>streams +
* coupled_streams</code>).
* @param streams <tt>int</tt>: The total number of streams to encode from the
* input.
* This must be no more than the number of channels.
* @param coupled_streams <tt>int</tt>: Number of coupled (2 channel) streams
* to encode.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* encoded channels (<code>streams +
* coupled_streams</code>) must be no
* more than the number of input channels.
* @param[in] mapping <code>const unsigned char[channels]</code>: Mapping from
* encoded channels to input channels, as described in
* @ref opus_multistream. As an extra constraint, the
* multistream encoder does not allow encoding coupled
* streams for which one channel is unused since this
* is never a good idea.
* @param application <tt>int</tt>: The target encoder application.
* This must be one of the following:
* <dl>
* <dt>#OPUS_APPLICATION_VOIP</dt>
* <dd>Process signal for improved speech intelligibility.</dd>
* <dt>#OPUS_APPLICATION_AUDIO</dt>
* <dd>Favor faithfulness to the original input.</dd>
* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
* <dd>Configure the minimum possible coding delay by disabling certain modes
* of operation.</dd>
* </dl>
* @returns #OPUS_OK on success, or an error code (see @ref opus_errorcodes)
* on failure.
*/
OPUS_EXPORT int opus_multistream_encoder_init(
OpusMSEncoder *st,
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping,
int application
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(6);
OPUS_EXPORT int opus_multistream_surround_encoder_init(
OpusMSEncoder *st,
opus_int32 Fs,
int channels,
int mapping_family,
int *streams,
int *coupled_streams,
unsigned char *mapping,
int application
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(5) OPUS_ARG_NONNULL(6) OPUS_ARG_NONNULL(7);
/** Encodes a multistream Opus frame.
* @param st <tt>OpusMSEncoder*</tt>: Multistream encoder state.
* @param[in] pcm <tt>const opus_int16*</tt>: The input signal as interleaved
* samples.
* This must contain
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: Number of samples per channel in the input
* signal.
* This must be an Opus frame size for the
* encoder's sampling rate.
* For example, at 48 kHz the permitted values
* are 120, 240, 480, 960, 1920, and 2880.
* Passing in a duration of less than 10 ms
* (480 samples at 48 kHz) will prevent the
* encoder from using the LPC or hybrid modes.
* @param[out] data <tt>unsigned char*</tt>: Output payload.
* This must contain storage for at
* least \a max_data_bytes.
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
* memory for the output
* payload. This may be
* used to impose an upper limit on
* the instant bitrate, but should
* not be used as the only bitrate
* control. Use #OPUS_SET_BITRATE to
* control the bitrate.
* @returns The length of the encoded packet (in bytes) on success or a
* negative error code (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_multistream_encode(
OpusMSEncoder *st,
const opus_int16 *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Encodes a multistream Opus frame from floating point input.
* @param st <tt>OpusMSEncoder*</tt>: Multistream encoder state.
* @param[in] pcm <tt>const float*</tt>: The input signal as interleaved
* samples with a normal range of
* +/-1.0.
* Samples with a range beyond +/-1.0
* are supported but will be clipped by
* decoders using the integer API and
* should only be used if it is known
* that the far end supports extended
* dynamic range.
* This must contain
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: Number of samples per channel in the input
* signal.
* This must be an Opus frame size for the
* encoder's sampling rate.
* For example, at 48 kHz the permitted values
* are 120, 240, 480, 960, 1920, and 2880.
* Passing in a duration of less than 10 ms
* (480 samples at 48 kHz) will prevent the
* encoder from using the LPC or hybrid modes.
* @param[out] data <tt>unsigned char*</tt>: Output payload.
* This must contain storage for at
* least \a max_data_bytes.
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
* memory for the output
* payload. This may be
* used to impose an upper limit on
* the instant bitrate, but should
* not be used as the only bitrate
* control. Use #OPUS_SET_BITRATE to
* control the bitrate.
* @returns The length of the encoded packet (in bytes) on success or a
* negative error code (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_multistream_encode_float(
OpusMSEncoder *st,
const float *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Frees an <code>OpusMSEncoder</code> allocated by
* opus_multistream_encoder_create().
* @param st <tt>OpusMSEncoder*</tt>: Multistream encoder state to be freed.
*/
OPUS_EXPORT void opus_multistream_encoder_destroy(OpusMSEncoder *st);
/** Perform a CTL function on a multistream Opus encoder.
*
* Generally the request and subsequent arguments are generated by a
* convenience macro.
* @param st <tt>OpusMSEncoder*</tt>: Multistream encoder state.
* @param request This and all remaining parameters should be replaced by one
* of the convenience macros in @ref opus_genericctls,
* @ref opus_encoderctls, or @ref opus_multistream_ctls.
* @see opus_genericctls
* @see opus_encoderctls
* @see opus_multistream_ctls
*/
OPUS_EXPORT int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...) OPUS_ARG_NONNULL(1);
/**@}*/
/**\name Multistream decoder functions */
/**@{*/
/** Gets the size of an <code>OpusMSDecoder</code> structure.
* @param streams <tt>int</tt>: The total number of streams coded in the
* input.
* This must be no more than 255.
* @param coupled_streams <tt>int</tt>: Number streams to decode as coupled
* (2 channel) streams.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* coded channels (<code>streams +
* coupled_streams</code>) must be no
* more than 255.
* @returns The size in bytes on success, or a negative error code
* (see @ref opus_errorcodes) on error.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_multistream_decoder_get_size(
int streams,
int coupled_streams
);
/** Allocates and initializes a multistream decoder state.
* Call opus_multistream_decoder_destroy() to release
* this object when finished.
* @param Fs <tt>opus_int32</tt>: Sampling rate to decode at (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels to output.
* This must be at most 255.
* It may be different from the number of coded
* channels (<code>streams +
* coupled_streams</code>).
* @param streams <tt>int</tt>: The total number of streams coded in the
* input.
* This must be no more than 255.
* @param coupled_streams <tt>int</tt>: Number of streams to decode as coupled
* (2 channel) streams.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* coded channels (<code>streams +
* coupled_streams</code>) must be no
* more than 255.
* @param[in] mapping <code>const unsigned char[channels]</code>: Mapping from
* coded channels to output channels, as described in
* @ref opus_multistream.
* @param[out] error <tt>int *</tt>: Returns #OPUS_OK on success, or an error
* code (see @ref opus_errorcodes) on
* failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusMSDecoder *opus_multistream_decoder_create(
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping,
int *error
) OPUS_ARG_NONNULL(5);
/** Intialize a previously allocated decoder state object.
* The memory pointed to by \a st must be at least the size returned by
* opus_multistream_encoder_get_size().
* This is intended for applications which use their own allocator instead of
* malloc.
* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
* @see opus_multistream_decoder_create
* @see opus_multistream_deocder_get_size
* @param st <tt>OpusMSEncoder*</tt>: Multistream encoder state to initialize.
* @param Fs <tt>opus_int32</tt>: Sampling rate to decode at (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels to output.
* This must be at most 255.
* It may be different from the number of coded
* channels (<code>streams +
* coupled_streams</code>).
* @param streams <tt>int</tt>: The total number of streams coded in the
* input.
* This must be no more than 255.
* @param coupled_streams <tt>int</tt>: Number of streams to decode as coupled
* (2 channel) streams.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* coded channels (<code>streams +
* coupled_streams</code>) must be no
* more than 255.
* @param[in] mapping <code>const unsigned char[channels]</code>: Mapping from
* coded channels to output channels, as described in
* @ref opus_multistream.
* @returns #OPUS_OK on success, or an error code (see @ref opus_errorcodes)
* on failure.
*/
OPUS_EXPORT int opus_multistream_decoder_init(
OpusMSDecoder *st,
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
const unsigned char *mapping
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(6);
/** Decode a multistream Opus packet.
* @param st <tt>OpusMSDecoder*</tt>: Multistream decoder state.
* @param[in] data <tt>const unsigned char*</tt>: Input payload.
* Use a <code>NULL</code>
* pointer to indicate packet
* loss.
* @param len <tt>opus_int32</tt>: Number of bytes in payload.
* @param[out] pcm <tt>opus_int16*</tt>: Output signal, with interleaved
* samples.
* This must contain room for
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: The number of samples per channel of
* available space in \a pcm.
* If this is less than the maximum packet duration
* (120 ms; 5760 for 48kHz), this function will not be capable
* of decoding some packets. In the case of PLC (data==NULL)
* or FEC (decode_fec=1), then frame_size needs to be exactly
* the duration of audio that is missing, otherwise the
* decoder will not be in the optimal state to decode the
* next incoming packet. For the PLC and FEC cases, frame_size
* <b>must</b> be a multiple of 2.5 ms.
* @param decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band
* forward error correction data be decoded.
* If no such data is available, the frame is
* decoded as if it were lost.
* @returns Number of samples decoded on success or a negative error code
* (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_multistream_decode(
OpusMSDecoder *st,
const unsigned char *data,
opus_int32 len,
opus_int16 *pcm,
int frame_size,
int decode_fec
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Decode a multistream Opus packet with floating point output.
* @param st <tt>OpusMSDecoder*</tt>: Multistream decoder state.
* @param[in] data <tt>const unsigned char*</tt>: Input payload.
* Use a <code>NULL</code>
* pointer to indicate packet
* loss.
* @param len <tt>opus_int32</tt>: Number of bytes in payload.
* @param[out] pcm <tt>opus_int16*</tt>: Output signal, with interleaved
* samples.
* This must contain room for
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: The number of samples per channel of
* available space in \a pcm.
* If this is less than the maximum packet duration
* (120 ms; 5760 for 48kHz), this function will not be capable
* of decoding some packets. In the case of PLC (data==NULL)
* or FEC (decode_fec=1), then frame_size needs to be exactly
* the duration of audio that is missing, otherwise the
* decoder will not be in the optimal state to decode the
* next incoming packet. For the PLC and FEC cases, frame_size
* <b>must</b> be a multiple of 2.5 ms.
* @param decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band
* forward error correction data be decoded.
* If no such data is available, the frame is
* decoded as if it were lost.
* @returns Number of samples decoded on success or a negative error code
* (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_multistream_decode_float(
OpusMSDecoder *st,
const unsigned char *data,
opus_int32 len,
float *pcm,
int frame_size,
int decode_fec
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Perform a CTL function on a multistream Opus decoder.
*
* Generally the request and subsequent arguments are generated by a
* convenience macro.
* @param st <tt>OpusMSDecoder*</tt>: Multistream decoder state.
* @param request This and all remaining parameters should be replaced by one
* of the convenience macros in @ref opus_genericctls,
* @ref opus_decoderctls, or @ref opus_multistream_ctls.
* @see opus_genericctls
* @see opus_decoderctls
* @see opus_multistream_ctls
*/
OPUS_EXPORT int opus_multistream_decoder_ctl(OpusMSDecoder *st, int request, ...) OPUS_ARG_NONNULL(1);
/** Frees an <code>OpusMSDecoder</code> allocated by
* opus_multistream_decoder_create().
* @param st <tt>OpusMSDecoder</tt>: Multistream decoder state to be freed.
*/
OPUS_EXPORT void opus_multistream_decoder_destroy(OpusMSDecoder *st);
/**@}*/
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* OPUS_MULTISTREAM_H */

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/* Copyright (c) 2017 Google Inc.
Written by Andrew Allen */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file opus_projection.h
* @brief Opus projection reference API
*/
#ifndef OPUS_PROJECTION_H
#define OPUS_PROJECTION_H
#include "opus_multistream.h"
#ifdef __cplusplus
extern "C" {
#endif
/** @cond OPUS_INTERNAL_DOC */
/** These are the actual encoder and decoder CTL ID numbers.
* They should not be used directly by applications.c
* In general, SETs should be even and GETs should be odd.*/
/**@{*/
#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_GAIN_REQUEST 6001
#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_SIZE_REQUEST 6003
#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_REQUEST 6005
/**@}*/
/** @endcond */
/** @defgroup opus_projection_ctls Projection specific encoder and decoder CTLs
*
* These are convenience macros that are specific to the
* opus_projection_encoder_ctl() and opus_projection_decoder_ctl()
* interface.
* The CTLs from @ref opus_genericctls, @ref opus_encoderctls,
* @ref opus_decoderctls, and @ref opus_multistream_ctls may be applied to a
* projection encoder or decoder as well.
*/
/**@{*/
/** Gets the gain (in dB. S7.8-format) of the demixing matrix from the encoder.
* @param[out] x <tt>opus_int32 *</tt>: Returns the gain (in dB. S7.8-format)
* of the demixing matrix.
* @hideinitializer
*/
#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_GAIN(x) OPUS_PROJECTION_GET_DEMIXING_MATRIX_GAIN_REQUEST, __opus_check_int_ptr(x)
/** Gets the size in bytes of the demixing matrix from the encoder.
* @param[out] x <tt>opus_int32 *</tt>: Returns the size in bytes of the
* demixing matrix.
* @hideinitializer
*/
#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_SIZE(x) OPUS_PROJECTION_GET_DEMIXING_MATRIX_SIZE_REQUEST, __opus_check_int_ptr(x)
/** Copies the demixing matrix to the supplied pointer location.
* @param[out] x <tt>unsigned char *</tt>: Returns the demixing matrix to the
* supplied pointer location.
* @param y <tt>opus_int32</tt>: The size in bytes of the reserved memory at the
* pointer location.
* @hideinitializer
*/
#define OPUS_PROJECTION_GET_DEMIXING_MATRIX(x,y) OPUS_PROJECTION_GET_DEMIXING_MATRIX_REQUEST, x, __opus_check_int(y)
/**@}*/
/** Opus projection encoder state.
* This contains the complete state of a projection Opus encoder.
* It is position independent and can be freely copied.
* @see opus_projection_ambisonics_encoder_create
*/
typedef struct OpusProjectionEncoder OpusProjectionEncoder;
/** Opus projection decoder state.
* This contains the complete state of a projection Opus decoder.
* It is position independent and can be freely copied.
* @see opus_projection_decoder_create
* @see opus_projection_decoder_init
*/
typedef struct OpusProjectionDecoder OpusProjectionDecoder;
/**\name Projection encoder functions */
/**@{*/
/** Gets the size of an OpusProjectionEncoder structure.
* @param channels <tt>int</tt>: The total number of input channels to encode.
* This must be no more than 255.
* @param mapping_family <tt>int</tt>: The mapping family to use for selecting
* the appropriate projection.
* @returns The size in bytes on success, or a negative error code
* (see @ref opus_errorcodes) on error.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_projection_ambisonics_encoder_get_size(
int channels,
int mapping_family
);
/** Allocates and initializes a projection encoder state.
* Call opus_projection_encoder_destroy() to release
* this object when finished.
* @param Fs <tt>opus_int32</tt>: Sampling rate of the input signal (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels in the input signal.
* This must be at most 255.
* It may be greater than the number of
* coded channels (<code>streams +
* coupled_streams</code>).
* @param mapping_family <tt>int</tt>: The mapping family to use for selecting
* the appropriate projection.
* @param[out] streams <tt>int *</tt>: The total number of streams that will
* be encoded from the input.
* @param[out] coupled_streams <tt>int *</tt>: Number of coupled (2 channel)
* streams that will be encoded from the input.
* @param application <tt>int</tt>: The target encoder application.
* This must be one of the following:
* <dl>
* <dt>#OPUS_APPLICATION_VOIP</dt>
* <dd>Process signal for improved speech intelligibility.</dd>
* <dt>#OPUS_APPLICATION_AUDIO</dt>
* <dd>Favor faithfulness to the original input.</dd>
* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
* <dd>Configure the minimum possible coding delay by disabling certain modes
* of operation.</dd>
* </dl>
* @param[out] error <tt>int *</tt>: Returns #OPUS_OK on success, or an error
* code (see @ref opus_errorcodes) on
* failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusProjectionEncoder *opus_projection_ambisonics_encoder_create(
opus_int32 Fs,
int channels,
int mapping_family,
int *streams,
int *coupled_streams,
int application,
int *error
) OPUS_ARG_NONNULL(4) OPUS_ARG_NONNULL(5);
/** Initialize a previously allocated projection encoder state.
* The memory pointed to by \a st must be at least the size returned by
* opus_projection_ambisonics_encoder_get_size().
* This is intended for applications which use their own allocator instead of
* malloc.
* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
* @see opus_projection_ambisonics_encoder_create
* @see opus_projection_ambisonics_encoder_get_size
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state to initialize.
* @param Fs <tt>opus_int32</tt>: Sampling rate of the input signal (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels in the input signal.
* This must be at most 255.
* It may be greater than the number of
* coded channels (<code>streams +
* coupled_streams</code>).
* @param streams <tt>int</tt>: The total number of streams to encode from the
* input.
* This must be no more than the number of channels.
* @param coupled_streams <tt>int</tt>: Number of coupled (2 channel) streams
* to encode.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* encoded channels (<code>streams +
* coupled_streams</code>) must be no
* more than the number of input channels.
* @param application <tt>int</tt>: The target encoder application.
* This must be one of the following:
* <dl>
* <dt>#OPUS_APPLICATION_VOIP</dt>
* <dd>Process signal for improved speech intelligibility.</dd>
* <dt>#OPUS_APPLICATION_AUDIO</dt>
* <dd>Favor faithfulness to the original input.</dd>
* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
* <dd>Configure the minimum possible coding delay by disabling certain modes
* of operation.</dd>
* </dl>
* @returns #OPUS_OK on success, or an error code (see @ref opus_errorcodes)
* on failure.
*/
OPUS_EXPORT int opus_projection_ambisonics_encoder_init(
OpusProjectionEncoder *st,
opus_int32 Fs,
int channels,
int mapping_family,
int *streams,
int *coupled_streams,
int application
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(5) OPUS_ARG_NONNULL(6);
/** Encodes a projection Opus frame.
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state.
* @param[in] pcm <tt>const opus_int16*</tt>: The input signal as interleaved
* samples.
* This must contain
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: Number of samples per channel in the input
* signal.
* This must be an Opus frame size for the
* encoder's sampling rate.
* For example, at 48 kHz the permitted values
* are 120, 240, 480, 960, 1920, and 2880.
* Passing in a duration of less than 10 ms
* (480 samples at 48 kHz) will prevent the
* encoder from using the LPC or hybrid modes.
* @param[out] data <tt>unsigned char*</tt>: Output payload.
* This must contain storage for at
* least \a max_data_bytes.
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
* memory for the output
* payload. This may be
* used to impose an upper limit on
* the instant bitrate, but should
* not be used as the only bitrate
* control. Use #OPUS_SET_BITRATE to
* control the bitrate.
* @returns The length of the encoded packet (in bytes) on success or a
* negative error code (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_encode(
OpusProjectionEncoder *st,
const opus_int16 *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Encodes a projection Opus frame from floating point input.
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state.
* @param[in] pcm <tt>const float*</tt>: The input signal as interleaved
* samples with a normal range of
* +/-1.0.
* Samples with a range beyond +/-1.0
* are supported but will be clipped by
* decoders using the integer API and
* should only be used if it is known
* that the far end supports extended
* dynamic range.
* This must contain
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: Number of samples per channel in the input
* signal.
* This must be an Opus frame size for the
* encoder's sampling rate.
* For example, at 48 kHz the permitted values
* are 120, 240, 480, 960, 1920, and 2880.
* Passing in a duration of less than 10 ms
* (480 samples at 48 kHz) will prevent the
* encoder from using the LPC or hybrid modes.
* @param[out] data <tt>unsigned char*</tt>: Output payload.
* This must contain storage for at
* least \a max_data_bytes.
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
* memory for the output
* payload. This may be
* used to impose an upper limit on
* the instant bitrate, but should
* not be used as the only bitrate
* control. Use #OPUS_SET_BITRATE to
* control the bitrate.
* @returns The length of the encoded packet (in bytes) on success or a
* negative error code (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_encode_float(
OpusProjectionEncoder *st,
const float *pcm,
int frame_size,
unsigned char *data,
opus_int32 max_data_bytes
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
/** Frees an <code>OpusProjectionEncoder</code> allocated by
* opus_projection_ambisonics_encoder_create().
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state to be freed.
*/
OPUS_EXPORT void opus_projection_encoder_destroy(OpusProjectionEncoder *st);
/** Perform a CTL function on a projection Opus encoder.
*
* Generally the request and subsequent arguments are generated by a
* convenience macro.
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state.
* @param request This and all remaining parameters should be replaced by one
* of the convenience macros in @ref opus_genericctls,
* @ref opus_encoderctls, @ref opus_multistream_ctls, or
* @ref opus_projection_ctls
* @see opus_genericctls
* @see opus_encoderctls
* @see opus_multistream_ctls
* @see opus_projection_ctls
*/
OPUS_EXPORT int opus_projection_encoder_ctl(OpusProjectionEncoder *st, int request, ...) OPUS_ARG_NONNULL(1);
/**@}*/
/**\name Projection decoder functions */
/**@{*/
/** Gets the size of an <code>OpusProjectionDecoder</code> structure.
* @param channels <tt>int</tt>: The total number of output channels.
* This must be no more than 255.
* @param streams <tt>int</tt>: The total number of streams coded in the
* input.
* This must be no more than 255.
* @param coupled_streams <tt>int</tt>: Number streams to decode as coupled
* (2 channel) streams.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* coded channels (<code>streams +
* coupled_streams</code>) must be no
* more than 255.
* @returns The size in bytes on success, or a negative error code
* (see @ref opus_errorcodes) on error.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_projection_decoder_get_size(
int channels,
int streams,
int coupled_streams
);
/** Allocates and initializes a projection decoder state.
* Call opus_projection_decoder_destroy() to release
* this object when finished.
* @param Fs <tt>opus_int32</tt>: Sampling rate to decode at (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels to output.
* This must be at most 255.
* It may be different from the number of coded
* channels (<code>streams +
* coupled_streams</code>).
* @param streams <tt>int</tt>: The total number of streams coded in the
* input.
* This must be no more than 255.
* @param coupled_streams <tt>int</tt>: Number of streams to decode as coupled
* (2 channel) streams.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* coded channels (<code>streams +
* coupled_streams</code>) must be no
* more than 255.
* @param[in] demixing_matrix <tt>const unsigned char[demixing_matrix_size]</tt>: Demixing matrix
* that mapping from coded channels to output channels,
* as described in @ref opus_projection and
* @ref opus_projection_ctls.
* @param demixing_matrix_size <tt>opus_int32</tt>: The size in bytes of the
* demixing matrix, as
* described in @ref
* opus_projection_ctls.
* @param[out] error <tt>int *</tt>: Returns #OPUS_OK on success, or an error
* code (see @ref opus_errorcodes) on
* failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusProjectionDecoder *opus_projection_decoder_create(
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
unsigned char *demixing_matrix,
opus_int32 demixing_matrix_size,
int *error
) OPUS_ARG_NONNULL(5);
/** Intialize a previously allocated projection decoder state object.
* The memory pointed to by \a st must be at least the size returned by
* opus_projection_decoder_get_size().
* This is intended for applications which use their own allocator instead of
* malloc.
* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
* @see opus_projection_decoder_create
* @see opus_projection_deocder_get_size
* @param st <tt>OpusProjectionDecoder*</tt>: Projection encoder state to initialize.
* @param Fs <tt>opus_int32</tt>: Sampling rate to decode at (in Hz).
* This must be one of 8000, 12000, 16000,
* 24000, or 48000.
* @param channels <tt>int</tt>: Number of channels to output.
* This must be at most 255.
* It may be different from the number of coded
* channels (<code>streams +
* coupled_streams</code>).
* @param streams <tt>int</tt>: The total number of streams coded in the
* input.
* This must be no more than 255.
* @param coupled_streams <tt>int</tt>: Number of streams to decode as coupled
* (2 channel) streams.
* This must be no larger than the total
* number of streams.
* Additionally, The total number of
* coded channels (<code>streams +
* coupled_streams</code>) must be no
* more than 255.
* @param[in] demixing_matrix <tt>const unsigned char[demixing_matrix_size]</tt>: Demixing matrix
* that mapping from coded channels to output channels,
* as described in @ref opus_projection and
* @ref opus_projection_ctls.
* @param demixing_matrix_size <tt>opus_int32</tt>: The size in bytes of the
* demixing matrix, as
* described in @ref
* opus_projection_ctls.
* @returns #OPUS_OK on success, or an error code (see @ref opus_errorcodes)
* on failure.
*/
OPUS_EXPORT int opus_projection_decoder_init(
OpusProjectionDecoder *st,
opus_int32 Fs,
int channels,
int streams,
int coupled_streams,
unsigned char *demixing_matrix,
opus_int32 demixing_matrix_size
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(6);
/** Decode a projection Opus packet.
* @param st <tt>OpusProjectionDecoder*</tt>: Projection decoder state.
* @param[in] data <tt>const unsigned char*</tt>: Input payload.
* Use a <code>NULL</code>
* pointer to indicate packet
* loss.
* @param len <tt>opus_int32</tt>: Number of bytes in payload.
* @param[out] pcm <tt>opus_int16*</tt>: Output signal, with interleaved
* samples.
* This must contain room for
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: The number of samples per channel of
* available space in \a pcm.
* If this is less than the maximum packet duration
* (120 ms; 5760 for 48kHz), this function will not be capable
* of decoding some packets. In the case of PLC (data==NULL)
* or FEC (decode_fec=1), then frame_size needs to be exactly
* the duration of audio that is missing, otherwise the
* decoder will not be in the optimal state to decode the
* next incoming packet. For the PLC and FEC cases, frame_size
* <b>must</b> be a multiple of 2.5 ms.
* @param decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band
* forward error correction data be decoded.
* If no such data is available, the frame is
* decoded as if it were lost.
* @returns Number of samples decoded on success or a negative error code
* (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_decode(
OpusProjectionDecoder *st,
const unsigned char *data,
opus_int32 len,
opus_int16 *pcm,
int frame_size,
int decode_fec
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Decode a projection Opus packet with floating point output.
* @param st <tt>OpusProjectionDecoder*</tt>: Projection decoder state.
* @param[in] data <tt>const unsigned char*</tt>: Input payload.
* Use a <code>NULL</code>
* pointer to indicate packet
* loss.
* @param len <tt>opus_int32</tt>: Number of bytes in payload.
* @param[out] pcm <tt>opus_int16*</tt>: Output signal, with interleaved
* samples.
* This must contain room for
* <code>frame_size*channels</code>
* samples.
* @param frame_size <tt>int</tt>: The number of samples per channel of
* available space in \a pcm.
* If this is less than the maximum packet duration
* (120 ms; 5760 for 48kHz), this function will not be capable
* of decoding some packets. In the case of PLC (data==NULL)
* or FEC (decode_fec=1), then frame_size needs to be exactly
* the duration of audio that is missing, otherwise the
* decoder will not be in the optimal state to decode the
* next incoming packet. For the PLC and FEC cases, frame_size
* <b>must</b> be a multiple of 2.5 ms.
* @param decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band
* forward error correction data be decoded.
* If no such data is available, the frame is
* decoded as if it were lost.
* @returns Number of samples decoded on success or a negative error code
* (see @ref opus_errorcodes) on failure.
*/
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_decode_float(
OpusProjectionDecoder *st,
const unsigned char *data,
opus_int32 len,
float *pcm,
int frame_size,
int decode_fec
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
/** Perform a CTL function on a projection Opus decoder.
*
* Generally the request and subsequent arguments are generated by a
* convenience macro.
* @param st <tt>OpusProjectionDecoder*</tt>: Projection decoder state.
* @param request This and all remaining parameters should be replaced by one
* of the convenience macros in @ref opus_genericctls,
* @ref opus_decoderctls, @ref opus_multistream_ctls, or
* @ref opus_projection_ctls.
* @see opus_genericctls
* @see opus_decoderctls
* @see opus_multistream_ctls
* @see opus_projection_ctls
*/
OPUS_EXPORT int opus_projection_decoder_ctl(OpusProjectionDecoder *st, int request, ...) OPUS_ARG_NONNULL(1);
/** Frees an <code>OpusProjectionDecoder</code> allocated by
* opus_projection_decoder_create().
* @param st <tt>OpusProjectionDecoder</tt>: Projection decoder state to be freed.
*/
OPUS_EXPORT void opus_projection_decoder_destroy(OpusProjectionDecoder *st);
/**@}*/
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* OPUS_PROJECTION_H */

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/* (C) COPYRIGHT 1994-2002 Xiph.Org Foundation */
/* Modified by Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* opus_types.h based on ogg_types.h from libogg */
/**
@file opus_types.h
@brief Opus reference implementation types
*/
#ifndef OPUS_TYPES_H
#define OPUS_TYPES_H
#define opus_int int /* used for counters etc; at least 16 bits */
#define opus_int64 long long
#define opus_int8 signed char
#define opus_uint unsigned int /* used for counters etc; at least 16 bits */
#define opus_uint64 unsigned long long
#define opus_uint8 unsigned char
/* Use the real stdint.h if it's there (taken from Paul Hsieh's pstdint.h) */
#if (defined(__STDC__) && __STDC__ && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || (defined(__GNUC__) && (defined(_STDINT_H) || defined(_STDINT_H_)) || defined (HAVE_STDINT_H))
#include <stdint.h>
# undef opus_int64
# undef opus_int8
# undef opus_uint64
# undef opus_uint8
typedef int8_t opus_int8;
typedef uint8_t opus_uint8;
typedef int16_t opus_int16;
typedef uint16_t opus_uint16;
typedef int32_t opus_int32;
typedef uint32_t opus_uint32;
typedef int64_t opus_int64;
typedef uint64_t opus_uint64;
#elif defined(_WIN32)
# if defined(__CYGWIN__)
# include <_G_config.h>
typedef _G_int32_t opus_int32;
typedef _G_uint32_t opus_uint32;
typedef _G_int16 opus_int16;
typedef _G_uint16 opus_uint16;
# elif defined(__MINGW32__)
typedef short opus_int16;
typedef unsigned short opus_uint16;
typedef int opus_int32;
typedef unsigned int opus_uint32;
# elif defined(__MWERKS__)
typedef int opus_int32;
typedef unsigned int opus_uint32;
typedef short opus_int16;
typedef unsigned short opus_uint16;
# else
/* MSVC/Borland */
typedef __int32 opus_int32;
typedef unsigned __int32 opus_uint32;
typedef __int16 opus_int16;
typedef unsigned __int16 opus_uint16;
# endif
#elif defined(__MACOS__)
# include <sys/types.h>
typedef SInt16 opus_int16;
typedef UInt16 opus_uint16;
typedef SInt32 opus_int32;
typedef UInt32 opus_uint32;
#elif (defined(__APPLE__) && defined(__MACH__)) /* MacOS X Framework build */
# include <sys/types.h>
typedef int16_t opus_int16;
typedef u_int16_t opus_uint16;
typedef int32_t opus_int32;
typedef u_int32_t opus_uint32;
#elif defined(__BEOS__)
/* Be */
# include <inttypes.h>
typedef int16 opus_int16;
typedef u_int16 opus_uint16;
typedef int32_t opus_int32;
typedef u_int32_t opus_uint32;
#elif defined (__EMX__)
/* OS/2 GCC */
typedef short opus_int16;
typedef unsigned short opus_uint16;
typedef int opus_int32;
typedef unsigned int opus_uint32;
#elif defined (DJGPP)
/* DJGPP */
typedef short opus_int16;
typedef unsigned short opus_uint16;
typedef int opus_int32;
typedef unsigned int opus_uint32;
#elif defined(R5900)
/* PS2 EE */
typedef int opus_int32;
typedef unsigned opus_uint32;
typedef short opus_int16;
typedef unsigned short opus_uint16;
#elif defined(__SYMBIAN32__)
/* Symbian GCC */
typedef signed short opus_int16;
typedef unsigned short opus_uint16;
typedef signed int opus_int32;
typedef unsigned int opus_uint32;
#elif defined(CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
typedef short opus_int16;
typedef unsigned short opus_uint16;
typedef long opus_int32;
typedef unsigned long opus_uint32;
#elif defined(CONFIG_TI_C6X)
typedef short opus_int16;
typedef unsigned short opus_uint16;
typedef int opus_int32;
typedef unsigned int opus_uint32;
#else
/* Give up, take a reasonable guess */
typedef short opus_int16;
typedef unsigned short opus_uint16;
typedef int opus_int32;
typedef unsigned int opus_uint32;
#endif
#endif /* OPUS_TYPES_H */

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/* Copyright (c) 2017 Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(_opusenc_h)
# define _opusenc_h (1)
/**\mainpage
\section Introduction
This is the documentation for the <tt>libopusenc</tt> C API.
The <tt>libopusenc</tt> package provides a convenient high-level API for
encoding Ogg Opus files.
\section Organization
The main API is divided into several sections:
- \ref encoding
- \ref comments
- \ref encoder_ctl
- \ref callbacks
- \ref error_codes
\section Overview
The <tt>libopusfile</tt> API provides an easy way to encode Ogg Opus files using
<tt>libopus</tt>.
*/
# if defined(__cplusplus)
extern "C" {
# endif
#include <opus.h>
#ifndef OPE_EXPORT
# if defined(WIN32)
# if defined(OPE_BUILD) && defined(DLL_EXPORT)
# define OPE_EXPORT __declspec(dllexport)
# else
# define OPE_EXPORT
# endif
# elif defined(__GNUC__) && defined(OPE_BUILD)
# define OPE_EXPORT __attribute__ ((visibility ("default")))
# else
# define OPE_EXPORT
# endif
#endif
/**\defgroup error_codes Error Codes*/
/*@{*/
/**\name List of possible error codes
Many of the functions in this library return a negative error code when a
function fails.
This list provides a brief explanation of the common errors.
See each individual function for more details on what a specific error code
means in that context.*/
/*@{*/
/* Bump this when we change the API. */
/** API version for this header. Can be used to check for features at compile time. */
#define OPE_API_VERSION 0
#define OPE_OK 0
/* Based on the relevant libopus code minus 10. */
#define OPE_BAD_ARG -11
#define OPE_INTERNAL_ERROR -13
#define OPE_UNIMPLEMENTED -15
#define OPE_ALLOC_FAIL -17
/* Specific to libopusenc. */
#define OPE_CANNOT_OPEN -30
#define OPE_TOO_LATE -31
#define OPE_UNRECOVERABLE -32
#define OPE_INVALID_PICTURE -33
#define OPE_INVALID_ICON -34
/*@}*/
/*@}*/
/* These are the "raw" request values -- they should usually not be used. */
#define OPE_SET_DECISION_DELAY_REQUEST 14000
#define OPE_GET_DECISION_DELAY_REQUEST 14001
#define OPE_SET_MUXING_DELAY_REQUEST 14002
#define OPE_GET_MUXING_DELAY_REQUEST 14003
#define OPE_SET_COMMENT_PADDING_REQUEST 14004
#define OPE_GET_COMMENT_PADDING_REQUEST 14005
#define OPE_SET_SERIALNO_REQUEST 14006
#define OPE_GET_SERIALNO_REQUEST 14007
#define OPE_SET_PACKET_CALLBACK_REQUEST 14008
/*#define OPE_GET_PACKET_CALLBACK_REQUEST 14009*/
#define OPE_SET_HEADER_GAIN_REQUEST 14010
#define OPE_GET_HEADER_GAIN_REQUEST 14011
/**\defgroup encoder_ctl Encoding Options*/
/*@{*/
/**\name Control parameters
Macros for setting encoder options.*/
/*@{*/
#define OPE_SET_DECISION_DELAY(x) OPE_SET_DECISION_DELAY_REQUEST, __opus_check_int(x)
#define OPE_GET_DECISION_DELAY(x) OPE_GET_DECISION_DELAY_REQUEST, __opus_check_int_ptr(x)
#define OPE_SET_MUXING_DELAY(x) OPE_SET_MUXING_DELAY_REQUEST, __opus_check_int(x)
#define OPE_GET_MUXING_DELAY(x) OPE_GET_MUXING_DELAY_REQUEST, __opus_check_int_ptr(x)
#define OPE_SET_COMMENT_PADDING(x) OPE_SET_COMMENT_PADDING_REQUEST, __opus_check_int(x)
#define OPE_GET_COMMENT_PADDING(x) OPE_GET_COMMENT_PADDING_REQUEST, __opus_check_int_ptr(x)
#define OPE_SET_SERIALNO(x) OPE_SET_SERIALNO_REQUEST, __opus_check_int(x)
#define OPE_GET_SERIALNO(x) OPE_GET_SERIALNO_REQUEST, __opus_check_int_ptr(x)
/* FIXME: Add type-checking macros to these. */
#define OPE_SET_PACKET_CALLBACK(x,u) OPE_SET_PACKET_CALLBACK_REQUEST, (x), (u)
/*#define OPE_GET_PACKET_CALLBACK(x,u) OPE_GET_PACKET_CALLBACK_REQUEST, (x), (u)*/
#define OPE_SET_HEADER_GAIN(x,u) OPE_SET_HEADER_GAIN_REQUEST, __opus_check_int(x)
#define OPE_GET_HEADER_GAIN(x,u) OPE_GET_HEADER_GAIN_REQUEST, __opus_check_int_ptr(x)
/*@}*/
/*@}*/
/**\defgroup callbacks Callback Functions */
/*@{*/
/**\name Callback functions
These are the callbacks that can be implemented for an encoder.*/
/*@{*/
/** Called for writing a page. */
typedef int (*ope_write_func)(void *user_data, const unsigned char *ptr, opus_int32 len);
/** Called for closing a stream. */
typedef int (*ope_close_func)(void *user_data);
/** Called on every packet encoded (including header). */
typedef int (*ope_packet_func)(void *user_data, const unsigned char *packet_ptr, opus_int32 packet_len, opus_uint32 flags);
/** Callback functions for accessing the stream. */
typedef struct {
/** Callback for writing to the stream. */
ope_write_func write;
/** Callback for closing the stream. */
ope_close_func close;
} OpusEncCallbacks;
/*@}*/
/*@}*/
/** Opaque comments struct. */
typedef struct OggOpusComments OggOpusComments;
/** Opaque encoder struct. */
typedef struct OggOpusEnc OggOpusEnc;
/**\defgroup comments Comments Handling */
/*@{*/
/**\name Functions for handling comments
These functions make it possible to add comments and pictures to Ogg Opus files.*/
/*@{*/
/** Create a new comments object.
\return Newly-created comments object. */
OPE_EXPORT OggOpusComments *ope_comments_create(void);
/** Create a deep copy of a comments object.
\param comments Comments object to copy
\return Deep copy of input. */
OPE_EXPORT OggOpusComments *ope_comments_copy(OggOpusComments *comments);
/** Destroys a comments object.
\param comments Comments object to destroy*/
OPE_EXPORT void ope_comments_destroy(OggOpusComments *comments);
/** Add a comment.
\param[in,out] comments Where to add the comments
\param tag Tag for the comment (must not contain = char)
\param val Value for the tag
\return Error code
*/
OPE_EXPORT int ope_comments_add(OggOpusComments *comments, const char *tag, const char *val);
/** Add a comment as a single tag=value string.
\param[in,out] comments Where to add the comments
\param tag_and_val string of the form tag=value (must contain = char)
\return Error code
*/
OPE_EXPORT int ope_comments_add_string(OggOpusComments *comments, const char *tag_and_val);
/** Add a picture.
\param[in,out] comments Where to add the comments
\param filename File name for the picture
\param picture_type Type of picture (-1 for default)
\param description Description (NULL means no comment)
\return Error code
*/
OPE_EXPORT int ope_comments_add_picture(OggOpusComments *comments, const char *filename, int picture_type, const char *description);
/*@}*/
/*@}*/
/**\defgroup encoding Encoding */
/*@{*/
/**\name Functions for encoding Ogg Opus files
These functions make it possible to encode Ogg Opus files.*/
/*@{*/
/** Create a new OggOpus file.
\param path Path where to create the file
\param comments Comments associated with the stream
\param rate Input sampling rate (48 kHz is faster)
\param channels Number of channels
\param family Mapping family (0 for mono/stereo, 1 for surround)
\param[out] error Error code (NULL if no error is to be returned)
\return Newly-created encoder.
*/
OPE_EXPORT OggOpusEnc *ope_encoder_create_file(const char *path, OggOpusComments *comments, opus_int32 rate, int channels, int family, int *error);
/** Create a new OggOpus stream to be handled using callbacks
\param callbacks Callback functions
\param user_data Pointer to be associated with the stream and passed to the callbacks
\param comments Comments associated with the stream
\param rate Input sampling rate (48 kHz is faster)
\param channels Number of channels
\param family Mapping family (0 for mono/stereo, 1 for surround)
\param[out] error Error code (NULL if no error is to be returned)
\return Newly-created encoder.
*/
OPE_EXPORT OggOpusEnc *ope_encoder_create_callbacks(const OpusEncCallbacks *callbacks, void *user_data,
OggOpusComments *comments, opus_int32 rate, int channels, int family, int *error);
/** Create a new OggOpus stream to be used along with.ope_encoder_get_page().
This is mostly useful for muxing with other streams.
\param comments Comments associated with the stream
\param rate Input sampling rate (48 kHz is faster)
\param channels Number of channels
\param family Mapping family (0 for mono/stereo, 1 for surround)
\param[out] error Error code (NULL if no error is to be returned)
\return Newly-created encoder.
*/
OPE_EXPORT OggOpusEnc *ope_encoder_create_pull(OggOpusComments *comments, opus_int32 rate, int channels, int family, int *error);
/** Add/encode any number of float samples to the stream.
\param[in,out] enc Encoder
\param pcm Floating-point PCM values in the +/-1 range (interleaved if multiple channels)
\param samples_per_channel Number of samples for each channel
\return Error code*/
OPE_EXPORT int ope_encoder_write_float(OggOpusEnc *enc, const float *pcm, int samples_per_channel);
/** Add/encode any number of 16-bit linear samples to the stream.
\param[in,out] enc Encoder
\param pcm Linear 16-bit PCM values in the [-32768,32767] range (interleaved if multiple channels)
\param samples_per_channel Number of samples for each channel
\return Error code*/
OPE_EXPORT int ope_encoder_write(OggOpusEnc *enc, const opus_int16 *pcm, int samples_per_channel);
/** Get the next page from the stream (only if using ope_encoder_create_pull()).
\param[in,out] enc Encoder
\param[out] page Next available encoded page
\param[out] len Size (in bytes) of the page returned
\param flush If non-zero, forces a flush of the page (if any data avaiable)
\return 1 if there is a page available, 0 if not. */
OPE_EXPORT int ope_encoder_get_page(OggOpusEnc *enc, unsigned char **page, opus_int32 *len, int flush);
/** Finalizes the stream, but does not deallocate the object.
\param[in,out] enc Encoder
\return Error code
*/
OPE_EXPORT int ope_encoder_drain(OggOpusEnc *enc);
/** Deallocates the obect. Make sure to ope_drain() first.
\param[in,out] enc Encoder
*/
OPE_EXPORT void ope_encoder_destroy(OggOpusEnc *enc);
/** Ends the stream and create a new stream within the same file.
\param[in,out] enc Encoder
\param comments Comments associated with the stream
\return Error code
*/
OPE_EXPORT int ope_encoder_chain_current(OggOpusEnc *enc, OggOpusComments *comments);
/** Ends the stream and create a new file.
\param[in,out] enc Encoder
\param path Path where to write the new file
\param comments Comments associated with the stream
\return Error code
*/
OPE_EXPORT int ope_encoder_continue_new_file(OggOpusEnc *enc, const char *path, OggOpusComments *comments);
/** Ends the stream and create a new file (callback-based).
\param[in,out] enc Encoder
\param user_data Pointer to be associated with the new stream and passed to the callbacks
\param comments Comments associated with the stream
\return Error code
*/
OPE_EXPORT int ope_encoder_continue_new_callbacks(OggOpusEnc *enc, void *user_data, OggOpusComments *comments);
/** Write out the header now rather than wait for audio to begin.
\param[in,out] enc Encoder
\return Error code
*/
OPE_EXPORT int ope_encoder_flush_header(OggOpusEnc *enc);
/** Sets encoder options.
\param[in,out] enc Encoder
\param request Use a request macro
\return Error code
*/
OPE_EXPORT int ope_encoder_ctl(OggOpusEnc *enc, int request, ...);
/** Converts a libopusenc error code into a human readable string.
*
* @param error Error number
* @returns Error string
*/
OPE_EXPORT const char *ope_strerror(int error);
/** Returns a string representing the version of libopusenc being used at run time.
\return A string describing the version of this library */
OPE_EXPORT const char *ope_get_version_string(void);
/** ABI version for this header. Can be used to check for features at run time.
\return An integer representing the ABI version */
OPE_EXPORT int ope_get_abi_version(void);
/*@}*/
/*@}*/
# if defined(__cplusplus)
}
# endif
#endif

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42
library/opusencoder/src/main/cpp/opuscodec.cpp Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (c) 2022 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <jni.h>
#include "codec/CodecOggOpus.h"
CodecOggOpus oggCodec;
extern "C"
JNIEXPORT jint JNICALL Java_im_vector_opusencoder_OggOpusEncoder_init(JNIEnv *env, jobject thiz, jstring file_path, jint sample_rate) {
char *path = (char*) env->GetStringUTFChars(file_path, 0);
return oggCodec.encoderInit(path, sample_rate);
}
extern "C"
JNIEXPORT jint JNICALL Java_im_vector_opusencoder_OggOpusEncoder_writeFrame(JNIEnv *env, jobject thiz, jshortArray shorts, jint samples_per_channel) {
jshort *nativeShorts = env->GetShortArrayElements(shorts, 0);
return oggCodec.writeFrame((short *) nativeShorts, samples_per_channel);
}
extern "C"
JNIEXPORT jint JNICALL Java_im_vector_opusencoder_OggOpusEncoder_setBitrate(JNIEnv *env, jobject thiz, jint bitrate) {
return oggCodec.setBitrate(bitrate);
}
extern "C"
JNIEXPORT void JNICALL Java_im_vector_opusencoder_OggOpusEncoder_encoderRelease(JNIEnv *env, jobject thiz) {
oggCodec.encoderRelease();
}

11
library/opusencoder/src/main/cpp/utils/Logger.h Normal file
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@ -0,0 +1,11 @@
#ifndef ANDROIDOPUSENCODER_LOGGER_H
#define ANDROIDOPUSENCODER_LOGGER_H
#include <android/log.h>
#define LOGE(tag, ...) __android_log_print(ANDROID_LOG_ERROR, tag, __VA_ARGS__)
#define LOGW(tag, ...) __android_log_print(ANDROID_LOG_WARN, tag, __VA_ARGS__)
#define LOGI(tag, ...) __android_log_print(ANDROID_LOG_INFO, tag, __VA_ARGS__)
#define LOGD(tag, ...) __android_log_print(ANDROID_LOG_DEBUG, tag, __VA_ARGS__)
#endif //ANDROIDOPUSENCODER_LOGGER_H

57
library/opusencoder/src/main/java/im/vector/opusencoder/OggOpusEncoder.kt Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (c) 2022 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.opusencoder
import android.util.Log
import androidx.annotation.IntRange
import im.vector.opusencoder.configuration.SampleRate
/**
* JNI bridge to CodecOggOpus in the native opuscodec library.
*/
class OggOpusEncoder {
companion object {
private const val TAG = "OggOpusEncoder"
init {
try {
System.loadLibrary("opuscodec")
} catch (e: Exception) {
Log.e(TAG, "Couldn't load opus library: $e")
}
}
}
fun init(filePath: String, sampleRate: SampleRate): Int {
return init(filePath, sampleRate.value)
}
private external fun init(filePath: String, sampleRate: Int): Int
external fun setBitrate(@IntRange(from = 500, to = 512000) bitrate: Int): Int
fun encode(shorts: ShortArray, samplesPerChannel: Int): Int {
return writeFrame(shorts, samplesPerChannel)
}
private external fun writeFrame(shorts: ShortArray, samplesPerChannel: Int): Int
fun release() {
encoderRelease()
}
private external fun encoderRelease()
}

28
library/opusencoder/src/main/java/im/vector/opusencoder/configuration/SampleRate.kt Normal file
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@ -0,0 +1,28 @@
/*
* Copyright (c) 2022 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.opusencoder.configuration
/**
* Sampling rate of the input signal in Hz.
*/
sealed class SampleRate private constructor(val value: Int) {
object Rate8khz : SampleRate(8000)
object Rate12kHz : SampleRate(12000)
object Rate16kHz : SampleRate(16000)
object Rate24KHz : SampleRate(24000)
object Rate48kHz : SampleRate(48000)
}

2
library/ui-styles/build.gradle
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@ -56,8 +56,6 @@ dependencies {
implementation libs.google.material
// Pref theme
implementation libs.androidx.preferenceKtx
// PFLockScreen attrs
implementation 'com.github.vector-im:PFLockScreen-Android:1.0.0-beta12'
// dialpad dimen
implementation 'im.dlg:android-dialer:1.2.5'
}

9
library/ui-styles/src/main/res/drawable/lockscreen_background.xml Normal file
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@ -0,0 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" >
<gradient
android:type="linear"
android:startColor="#f28433"
android:endColor="#e0574c"
android:angle="270" />
</shape>

12
library/ui-styles/src/main/res/drawable/lockscreen_circle_background.xml Normal file
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@ -0,0 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<solid
android:color="#44FFFFFF"/>
<size
android:width="70dp"
android:height="70dp"/>
</shape>

13
library/ui-styles/src/main/res/drawable/lockscreen_circle_code_empty.xml Normal file
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@ -0,0 +1,13 @@
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<stroke
android:color="@color/lockscreen_code"
android:width="1px"/>
<size
android:width="@dimen/lockscreen_code_size"
android:height="@dimen/lockscreen_code_size"/>
</shape>

16
library/ui-styles/src/main/res/drawable/lockscreen_circle_code_fill.xml Normal file
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@ -0,0 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<stroke
android:color="@color/lockscreen_code"
android:width="1px"/>
<solid
android:color="@color/lockscreen_code"/>
<size
android:width="@dimen/lockscreen_code_size"
android:height="@dimen/lockscreen_code_size"/>
</shape>

7
library/ui-styles/src/main/res/drawable/lockscreen_circle_key_selector.xml Normal file
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@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<padding android:padding="1dp" />
<corners android:radius="5dp" />
<solid android:color="#44FFFFFF" />
</shape>

9
library/ui-styles/src/main/res/drawable/lockscreen_code_selector.xml Normal file
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@ -0,0 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<!-- NOTE: order is important (the first matching state(s) is what is rendered) -->
<item
android:state_checked="true"
android:drawable="@drawable/lockscreen_circle_code_fill"/>
<item
android:drawable="@drawable/lockscreen_circle_code_empty"/>
</selector>

7
library/ui-styles/src/main/res/drawable/lockscreen_delete.xml Normal file
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@ -0,0 +1,7 @@
<vector android:height="14.498462dp" android:viewportHeight="589"
android:viewportWidth="975" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:pathData="M951,24H302.88L34,294L302.88,565H951V24Z"
android:strokeColor="#000000" android:strokeWidth="48"/>
<path android:pathData="M411.5,120L757.5,467.5M757.5,120L411.5,467.5"
android:strokeColor="#000000" android:strokeWidth="48"/>
</vector>

5
library/ui-styles/src/main/res/drawable/lockscreen_fingerprint.xml Normal file
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@ -0,0 +1,5 @@
<vector android:height="24dp"
android:viewportHeight="24" android:viewportWidth="24"
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
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</vector>

29
library/ui-styles/src/main/res/drawable/lockscreen_side_button_background.xml Normal file
View file

@ -0,0 +1,29 @@
<?xml version="1.0" encoding="utf-8"?>
<ripple
xmlns:android="http://schemas.android.com/apk/res/android"
android:color="@color/lockscreen_white_selector">
<item android:id="@android:id/mask">
<shape android:shape="oval">
<padding android:padding="1dp" />
<corners android:radius="5dp" />
<solid android:color="@color/lockscreen_white_selector"/>
</shape>
</item>
<item>
<selector>
<item android:state_selected="true">
<color android:color="@android:color/darker_gray"/>
</item>
<item android:state_activated="true">
<color android:color="@android:color/white"/>
</item>
<item>
<color android:color="@android:color/transparent"/>
</item>
</selector>
</item>
</ripple>

17
library/ui-styles/src/main/res/drawable/lockscreen_touch_selector.xml Normal file
View file

@ -0,0 +1,17 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"
android:exitFadeDuration="@android:integer/config_mediumAnimTime">
<item android:state_focused="true" android:state_enabled="false" android:state_pressed="true"
android:drawable="@drawable/lockscreen_circle_key_selector" />
<item android:state_focused="true" android:state_enabled="false"
android:drawable="@drawable/lockscreen_circle_key_selector" />
<item android:state_focused="true" android:state_pressed="true"
android:drawable="@drawable/lockscreen_circle_key_selector" />
<item android:state_focused="false" android:state_pressed="true"
android:drawable="@drawable/lockscreen_circle_key_selector" />
<item android:state_focused="true"
android:drawable="@drawable/lockscreen_circle_key_selector" />
<item
android:drawable="@drawable/lockscreen_circle_background" />
</selector>

5
library/ui-styles/src/main/res/values-land/lockscreen_default_dimen.xml Normal file
View file

@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<dimen name="lockscreen_button_size">60dp</dimen>
<dimen name="lockscreen_button_margin_vertical">15dp</dimen>
</resources>

12
library/ui-styles/src/main/res/values/lockscreen_attr.xml Normal file
View file

@ -0,0 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<attr name="lockscreen_key_button_theme" format="reference|integer"/>
<attr name="lockscreen_theme" format="reference|integer"/>
<attr name="lockscreen_fingerprint_button_theme" format="reference|integer"/>
<attr name="lockscreen_delete_button_theme" format="reference|integer"/>
<attr name="lockscreen_code_view_theme" format="reference|integer"/>
<attr name="lockscreen_title_theme" format="reference|integer"/>
<attr name="lockscreen_subtitle_theme" format="reference|integer"/>
<attr name="lockscreen_hint_theme" format="reference|integer"/>
<attr name="lockscreen_next_theme" format="reference|integer"/>
</resources>

8
library/ui-styles/src/main/res/values/lockscreen_default_colors.xml Normal file
View file

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="lockscreen_code">#ffffff</color>
<color name="lockscreen_white_selector">#66ffffff</color>
<color name="lockscreen_hint_color">#42000000</color>
<color name="lockscreen_warning_color">#f4511e</color>
<color name="lockscreen_success_color">#009688</color>
</resources>

7
library/ui-styles/src/main/res/values/lockscreen_default_dimens.xml Normal file
View file

@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<dimen name="lockscreen_button_size">70dp</dimen>
<dimen name="lockscreen_button_margin_vertical">25dp</dimen>
<dimen name="lockscreen_code_size">10dp</dimen>
<dimen name="lockscreen_code_margin">5dp</dimen>
</resources>

17
library/ui-styles/src/main/res/values/lockscreen_default_strings.xml Normal file
View file

@ -0,0 +1,17 @@
<resources>
<string name="lockscreen_cancel">Cancel</string>
<string name="lockscreen_use_pin">Use pin</string>
<string name="lockscreen_sign_in">Sign in</string>
<string name="lockscreen_next">Next</string>
<string name="lockscreen_forgot">Forgot?</string>
<string name="lockscreen_title">Input pin code or use biometric authentication</string>
<string name="lockscreen_fingerprint_not_recognized">Fingerprint not recognized. Try again</string>
<string name="lockscreen_fingerprint_success">Fingerprint recognized</string>
<string name="lockscreen_fingerprint_description">Confirm fingerprint to continue</string>
<string name="lockscreen_fingerprint_hint">Touch sensor</string>
<string name="lockscreen_description_fingerprint_icon">Fingerprint icon</string>
<string name="lockscreen_confirm_pin">Confirm PIN</string>
<string name="lockscreen_description_logo">Logo</string>
</resources>

49
library/ui-styles/src/main/res/values/lockscreen_default_styles.xml Normal file
View file

@ -0,0 +1,49 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="LockScreenStyle">
<item name="android:background">@drawable/lockscreen_background</item>
</style>
<style name="LockScreenButtonStyle" parent="Theme.AppCompat.Light">
<!-- Customize your theme here. -->
<item name="android:textColor">@android:color/white</item>
<item name="android:background">@drawable/lockscreen_touch_selector</item>
</style>
<style name="LockScreenFingerPrintButtonStyle">
<item name="android:src">@drawable/lockscreen_fingerprint</item>
<item name="android:padding">20dp</item>
</style>
<style name="LockScreenDeleteButtonStyle">
<item name="android:src">@drawable/lockscreen_delete</item>
<item name="android:padding">20dp</item>
</style>
<style name="CheckBox">
<item name="android:checkboxStyle">@style/LockScreenCodeStyle</item>
<item name="checkboxStyle">@style/LockScreenCodeStyle</item>
</style>
<style name="LockScreenCodeStyle">
<item name="android:button">@drawable/lockscreen_code_selector</item>
</style>
<style name="LockScreenNextTextStyle">
<item name="android:textColor">#9FFF</item>
<item name="android:textSize">18sp</item>
<item name="android:backgroundTint">#c66</item>
</style>
<style name="LockScreenHintTextStyle">
<item name="android:textColor">@android:color/white</item>
</style>
<style name="LockScreenTitleTextStyle">
<item name="android:textColor">@android:color/white</item>
<item name="android:textSize">18sp</item>
<item name="android:gravity">center</item>
</style>
</resources>

6
library/ui-styles/src/main/res/values/styles_bottom_sheet.xml
View file

@ -4,10 +4,13 @@
<!-- BottomSheet theming -->
<style name="Theme.Vector.BottomSheetDialog.Light" parent="Theme.MaterialComponents.Light.BottomSheetDialog">
<item name="colorPrimary">@color/element_accent_light</item>
<item name="colorOnPrimary">@color/palette_white</item>
<item name="colorSecondary">@color/palette_element_green</item>
<item name="colorOnSecondary">@color/palette_white</item>
<item name="colorSurface">@color/element_background_light</item>
<item name="colorOnSurface">@color/element_content_primary_light</item>
<item name="colorError">@color/element_alert_light</item>
<item name="colorOnError">@color/palette_white</item>
<!-- Default color for text View -->
<item name="android:textColorTertiary">@color/element_content_primary_light</item>
<item name="android:textColorLink">@color/element_link_light</item>
@ -15,10 +18,13 @@
<style name="Theme.Vector.BottomSheetDialog.Dark" parent="Theme.MaterialComponents.BottomSheetDialog">
<item name="colorPrimary">@color/element_accent_dark</item>
<item name="colorOnPrimary">@color/palette_white</item>
<item name="colorSecondary">@color/palette_element_green</item>
<item name="colorOnSecondary">@color/palette_white</item>
<item name="colorSurface">@color/element_background_dark</item>
<item name="colorOnSurface">@color/element_content_primary_dark</item>
<item name="colorError">@color/element_alert_dark</item>
<item name="colorOnError">@color/palette_white</item>
<!-- Default color for text View -->
<item name="android:textColorTertiary">@color/element_content_primary_dark</item>
<item name="android:textColorLink">@color/element_link_dark</item>

4
library/ui-styles/src/main/res/values/styles_pin_code.xml
View file

@ -22,13 +22,13 @@
</style>
<style name="PinCodeDeleteButtonStyle">
<item name="android:src">@drawable/delete_lockscreen_pf</item>
<item name="android:src">@drawable/lockscreen_delete</item>
<item name="android:tint">?vctr_content_primary</item>
<item name="background">@drawable/bg_pin_key</item>
</style>
<style name="PinCodeFingerprintButtonStyle">
<item name="android:src">@drawable/fingerprint_lockscreen_pf</item>
<item name="android:src">@drawable/lockscreen_fingerprint</item>
<item name="android:tint">?vctr_content_primary</item>
<item name="background">@drawable/bg_pin_key</item>
</style>

16
library/ui-styles/src/main/res/values/theme_dark.xml
View file

@ -111,14 +111,14 @@
<item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
<item name="pf_lock_screen">@style/PinCodeScreenStyle</item>
<item name="pf_key_button">@style/PinCodeKeyButtonStyle</item>
<item name="pf_title">@style/PinCodeTitleStyle</item>
<item name="pf_hint">@style/PinCodeHintStyle</item>
<item name="pf_code_view">@style/PinCodeDotsViewStyle</item>
<item name="pf_delete_button">@style/PinCodeDeleteButtonStyle</item>
<item name="pf_fingerprint_button">@style/PinCodeFingerprintButtonStyle</item>
<item name="pf_next">@style/PinCodeNextButtonStyle</item>
<item name="lockscreen_theme">@style/PinCodeScreenStyle</item>
<item name="lockscreen_key_button_theme">@style/PinCodeKeyButtonStyle</item>
<item name="lockscreen_title_theme">@style/PinCodeTitleStyle</item>
<item name="lockscreen_hint_theme">@style/PinCodeHintStyle</item>
<item name="lockscreen_code_view_theme">@style/PinCodeDotsViewStyle</item>
<item name="lockscreen_delete_button_theme">@style/PinCodeDeleteButtonStyle</item>
<item name="lockscreen_fingerprint_button_theme">@style/PinCodeFingerprintButtonStyle</item>
<item name="lockscreen_next_theme">@style/PinCodeNextButtonStyle</item>
<item name="android:statusBarColor">@color/android_status_bar_background_dark</item>
<item name="android:navigationBarColor">@color/android_navigation_bar_background_dark</item>

16
library/ui-styles/src/main/res/values/theme_light.xml
View file

@ -111,14 +111,14 @@
<item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
<item name="pf_lock_screen">@style/PinCodeScreenStyle</item>
<item name="pf_key_button">@style/PinCodeKeyButtonStyle</item>
<item name="pf_title">@style/PinCodeTitleStyle</item>
<item name="pf_hint">@style/PinCodeHintStyle</item>
<item name="pf_code_view">@style/PinCodeDotsViewStyle</item>
<item name="pf_delete_button">@style/PinCodeDeleteButtonStyle</item>
<item name="pf_fingerprint_button">@style/PinCodeFingerprintButtonStyle</item>
<item name="pf_next">@style/PinCodeNextButtonStyle</item>
<item name="lockscreen_theme">@style/PinCodeScreenStyle</item>
<item name="lockscreen_key_button_theme">@style/PinCodeKeyButtonStyle</item>
<item name="lockscreen_title_theme">@style/PinCodeTitleStyle</item>
<item name="lockscreen_hint_theme">@style/PinCodeHintStyle</item>
<item name="lockscreen_code_view_theme">@style/PinCodeDotsViewStyle</item>
<item name="lockscreen_delete_button_theme">@style/PinCodeDeleteButtonStyle</item>
<item name="lockscreen_fingerprint_button_theme">@style/PinCodeFingerprintButtonStyle</item>
<item name="lockscreen_next_theme">@style/PinCodeNextButtonStyle</item>
<!-- Use dark color, to have enough contrast with icons color. windowLightStatusBar is only available in API 23+ -->
<item name="android:statusBarColor">@color/android_status_bar_background_dark</item>

10
matrix-sdk-android-flow/src/main/java/org/matrix/android/sdk/flow/FlowRoom.kt
View file

@ -18,7 +18,7 @@ package org.matrix.android.sdk.flow
import androidx.lifecycle.asFlow
import kotlinx.coroutines.flow.Flow
import org.matrix.android.sdk.api.query.QueryStringValue
import org.matrix.android.sdk.api.query.QueryStateEventValue
import org.matrix.android.sdk.api.session.events.model.Event
import org.matrix.android.sdk.api.session.room.Room
import org.matrix.android.sdk.api.session.room.getStateEvent
@ -67,17 +67,17 @@ class FlowRoom(private val room: Room) {
}
}
fun liveStateEvent(eventType: String, stateKey: QueryStringValue): Flow<Optional<Event>> {
fun liveStateEvent(eventType: String, stateKey: QueryStateEventValue): Flow<Optional<Event>> {
return room.stateService().getStateEventLive(eventType, stateKey).asFlow()
.startWith(room.coroutineDispatchers.io) {
room.getStateEvent(eventType, stateKey).toOptional()
}
}
fun liveStateEvents(eventTypes: Set<String>): Flow<List<Event>> {
return room.stateService().getStateEventsLive(eventTypes).asFlow()
fun liveStateEvents(eventTypes: Set<String>, stateKey: QueryStateEventValue): Flow<List<Event>> {
return room.stateService().getStateEventsLive(eventTypes, stateKey).asFlow()
.startWith(room.coroutineDispatchers.io) {
room.stateService().getStateEvents(eventTypes)
room.stateService().getStateEvents(eventTypes, stateKey)
}
}

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