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renaming stream variables

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This commit is contained in:
Leandro Moreira
2024-01-31 09:28:23 -03:00
parent a903aa17d7
commit d45babf6c5
2 changed files with 23 additions and 29 deletions
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33
internal/controllers/streaming_controller.go
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@@ -42,7 +42,7 @@ func (c *StreamingController) Stream(sp entities.StreamParameters) {
go c.readFromSRTIntoWriterPipe(sp.SRTConnection, w)
// reading from reader pipe into mpeg-ts demuxer
dmx := astits.NewDemuxer(sp.Ctx, r)
mpegTSDemuxer := astits.NewDemuxer(sp.Ctx, r)
eia608Reader := eia608.NewEIA608Reader()
h264PID := uint16(0)
@@ -52,42 +52,45 @@ func (c *StreamingController) Stream(sp entities.StreamParameters) {
c.l.Sugar().Errorw("stream was cancelled")
return
default:
d, err := dmx.NextData()
// ref https://tsduck.io/download/docs/mpegts-introduction.pdf
mpegTSDemuxData, err := mpegTSDemuxer.NextData()
if err != nil {
c.l.Sugar().Errorw("failed to demux mpeg ts",
c.l.Sugar().Errorw("failed to demux mpeg-ts",
"error", err,
)
break
return
}
if d.PMT != nil {
h264PID = c.captureMediaInfoAndSendToWebRTC(d, sp.MetadataTrack, h264PID)
c.captureBitrateAndSendToWebRTC(d, sp.MetadataTrack)
if mpegTSDemuxData.PMT != nil {
// writing mpeg-ts meida metadata to the metadata webrtc channel
h264PID = c.captureMediaInfoAndSendToWebRTC(mpegTSDemuxData, sp.MetadataTrack, h264PID)
c.captureBitrateAndSendToWebRTC(mpegTSDemuxData, sp.MetadataTrack)
}
if d.PID == h264PID && d.PES != nil {
if mpegTSDemuxData.PID == h264PID && mpegTSDemuxData.PES != nil {
// writing video from mpeg-ts into webrtc
if err = sp.VideoTrack.WriteSample(media.Sample{Data: d.PES.Data, Duration: time.Second / 30}); err != nil {
c.l.Sugar().Errorw("failed to write a sample mpeg ts to web rtc",
if err = sp.VideoTrack.WriteSample(media.Sample{Data: mpegTSDemuxData.PES.Data, Duration: time.Second / 30}); err != nil {
c.l.Sugar().Errorw("failed to write a sample mpeg-ts to web rtc",
"error", err,
)
break
return
}
captions, err := eia608Reader.Parse(d.PES)
captions, err := eia608Reader.Parse(mpegTSDemuxData.PES)
if err != nil {
c.l.Sugar().Errorw("failed to parse eia 608",
"error", err,
)
break
return
}
if captions != "" {
captionsMsg, err := eia608.BuildCaptionsMessage(d.PES.Header.OptionalHeader.PTS, captions)
captionsMsg, err := eia608.BuildCaptionsMessage(mpegTSDemuxData.PES.Header.OptionalHeader.PTS, captions)
if err != nil {
c.l.Sugar().Errorw("failed to build captions message",
"error", err,
)
break
return
}
// writing metadata to the metadata webrtc channel
sp.MetadataTrack.SendText(captionsMsg)
}
}