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support publishing, reading and proxying MPEG-2 audio (MP3) tracks with RTMP (#1102) (#1736)

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Alessandro Ros 2023-04-25 18:13:51 +02:00 • committed by GitHub
parent c314d77596
commit 2d17dff3b5
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27 changed files with 727 additions and 487 deletions
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48
internal/core/rtmp_source.go
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@ -13,11 +13,8 @@ import (
"github.com/bluenviron/gortsplib/v3/pkg/formats"
"github.com/bluenviron/gortsplib/v3/pkg/media"
"github.com/bluenviron/mediacommon/pkg/codecs/h264"
"github.com/notedit/rtmp/format/flv/flvio"
"github.com/aler9/mediamtx/internal/conf"
"github.com/aler9/mediamtx/internal/formatprocessor"
"github.com/aler9/mediamtx/internal/logger"
"github.com/aler9/mediamtx/internal/rtmp"
"github.com/aler9/mediamtx/internal/rtmp/message"
@ -154,6 +151,9 @@ func (s *rtmpSource) run(ctx context.Context, cnf *conf.PathConf, reloadConf cha
s.parent.sourceStaticImplSetNotReady(pathSourceStaticSetNotReadyReq{})
}()
videoWriteFunc := getRTMPWriteFunc(videoMedia, videoFormat, res.stream)
audioWriteFunc := getRTMPWriteFunc(audioMedia, audioFormat, res.stream)
// disable write deadline to allow outgoing acknowledges
nconn.SetWriteDeadline(time.Time{})
@ -166,41 +166,23 @@ func (s *rtmpSource) run(ctx context.Context, cnf *conf.PathConf, reloadConf cha
switch tmsg := msg.(type) {
case *message.MsgVideo:
if tmsg.H264Type == flvio.AVC_NALU {
if videoFormat == nil {
return fmt.Errorf("received an H264 packet, but track is not set up")
}
if videoFormat == nil {
return fmt.Errorf("received an H264 packet, but track is not set up")
}
au, err := h264.AVCCUnmarshal(tmsg.Payload)
if err != nil {
s.Log(logger.Warn, "unable to decode AVCC: %v", err)
continue
}
err = res.stream.writeData(videoMedia, videoFormat, &formatprocessor.UnitH264{
PTS: tmsg.DTS + tmsg.PTSDelta,
AU: au,
NTP: time.Now(),
})
if err != nil {
s.Log(logger.Warn, "%v", err)
}
err := videoWriteFunc(tmsg)
if err != nil {
s.Log(logger.Warn, "%v", err)
}
case *message.MsgAudio:
if tmsg.AACType == flvio.AAC_RAW {
if audioFormat == nil {
return fmt.Errorf("received an AAC packet, but track is not set up")
}
if audioFormat == nil {
return fmt.Errorf("received an AAC packet, but track is not set up")
}
err := res.stream.writeData(audioMedia, audioFormat, &formatprocessor.UnitMPEG4Audio{
PTS: tmsg.DTS,
AUs: [][]byte{tmsg.Payload},
NTP: time.Now(),
})
if err != nil {
s.Log(logger.Warn, "%v", err)
}
err := audioWriteFunc(tmsg)
if err != nil {
s.Log(logger.Warn, "%v", err)
}
}
}