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94 lines
2.8 KiB
Go
94 lines
2.8 KiB
Go
package transcoder
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import (
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"io"
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"net"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"github.com/owncast/owncast/config"
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"github.com/owncast/owncast/utils"
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log "github.com/sirupsen/logrus"
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)
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// FileWriterReceiverServiceCallback are to be fired when transcoder responses are written to disk.
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type FileWriterReceiverServiceCallback interface {
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SegmentWritten(localFilePath string)
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VariantPlaylistWritten(localFilePath string)
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MasterPlaylistWritten(localFilePath string)
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}
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// FileWriterReceiverService accepts transcoder responses via HTTP and fires the callbacks.
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// It is intended to be the middleman between the transcoder and the storage provider and allows
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// the transcoder process to be completely isolated and even run remotely in the future, as long
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// as it can send HTTP requests to this service with the results.
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type FileWriterReceiverService struct {
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callbacks FileWriterReceiverServiceCallback
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}
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// SetupFileWriterReceiverService will start listening for transcoder responses.
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func (s *FileWriterReceiverService) SetupFileWriterReceiverService(callbacks FileWriterReceiverServiceCallback) {
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s.callbacks = callbacks
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httpServer := http.NewServeMux()
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httpServer.HandleFunc("/", s.uploadHandler)
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localListenerAddress := "127.0.0.1:0"
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listener, err := net.Listen("tcp", localListenerAddress)
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if err != nil {
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log.Fatalln("Unable to start internal video writing service", err)
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}
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listenerPort := strings.Split(listener.Addr().String(), ":")[1]
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config.InternalHLSListenerPort = listenerPort
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log.Traceln("Transcoder response service listening on: " + listenerPort)
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go func() {
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//nolint: gosec
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if err := http.Serve(listener, httpServer); err != nil {
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log.Fatalln("Unable to start internal video writing service", err)
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}
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}()
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}
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func (s *FileWriterReceiverService) uploadHandler(w http.ResponseWriter, r *http.Request) {
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if r.Method != "PUT" {
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http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
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return
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}
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path := r.URL.Path
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writePath := filepath.Join(config.HLSStoragePath, path)
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f, err := os.Create(writePath) //nolint: gosec
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if err != nil {
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returnError(err, w)
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return
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}
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defer f.Close()
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if _, err := io.Copy(f, r.Body); err != nil {
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returnError(err, w)
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return
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}
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s.fileWritten(writePath)
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w.WriteHeader(http.StatusOK)
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}
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func (s *FileWriterReceiverService) fileWritten(path string) {
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if utils.GetRelativePathFromAbsolutePath(path) == "hls/stream.m3u8" {
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s.callbacks.MasterPlaylistWritten(path)
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} else if strings.HasSuffix(path, ".ts") {
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s.callbacks.SegmentWritten(path)
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} else if strings.HasSuffix(path, ".m3u8") {
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s.callbacks.VariantPlaylistWritten(path)
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}
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}
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func returnError(err error, w http.ResponseWriter) {
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log.Debugln(err)
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http.Error(w, http.StatusText(http.StatusInternalServerError)+": "+err.Error(), http.StatusInternalServerError)
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}
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