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109 lines
3 KiB
Go
109 lines
3 KiB
Go
package ffmpeg
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import (
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"bytes"
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"io"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"net/http"
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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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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:" + strconv.Itoa(config.Config.GetPublicWebServerPort()+1)
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go func() {
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if err := http.ListenAndServe(localListenerAddress, httpServer); err != nil {
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log.Fatal(err)
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}
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}()
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log.Traceln("Transcoder response listening on: " + localListenerAddress)
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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.PrivateHLSStoragePath, path)
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var buf bytes.Buffer
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io.Copy(&buf, r.Body)
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data := buf.Bytes()
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f, err := os.Create(writePath)
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if err != nil {
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returnError(err, w, r)
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return
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}
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defer f.Close()
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_, err = f.Write(data)
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if err != nil {
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returnError(err, w, r)
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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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var _inWarningState = false
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func (s *FileWriterReceiverService) fileWritten(path string) {
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index := utils.GetIndexFromFilePath(path)
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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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performanceMonitorKey := "segmentWritten-" + index
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averagePerformance := utils.GetAveragePerformance(performanceMonitorKey)
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utils.StartPerformanceMonitor(performanceMonitorKey)
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s.callbacks.SegmentWritten(path)
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if averagePerformance != 0 && averagePerformance > float64(float64(config.Config.GetVideoSegmentSecondsLength())) {
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if !_inWarningState {
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log.Warnln("slow encoding for variant", index, "if this continues you may see buffering or errors. troubleshoot this issue by visiting https://owncast.online/docs/troubleshooting/")
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_inWarningState = true
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}
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} else {
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_inWarningState = false
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}
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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, r *http.Request) {
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log.Errorln(err)
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http.Error(w, http.StatusText(http.StatusInternalServerError)+": "+err.Error(), http.StatusInternalServerError)
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}
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