WebRTC stream will not open after its closed

[franconoronha]

My WebRTC streams are working fine the first time they're open. But won't start again on after producer is stopped. This is on version 1.9.8, but I have tried on 1.9.5 and had the same results.

Logs:

18:35:53.441 DBG [webrtc] new consumer src=T01_r
18:35:53.534 DBG [ffmpeg] bin libavformat="61.  7.100" version=7.1-full_build-www.gyan.dev
18:35:53.535 DBG [exec] run rtsp args=["C:\\ProgramData\\chocolatey\\bin\\ffmpeg","-hide_banner","-v","error","-allowed_media_types","video","-r","30","-fflags","nobuffer","-timeout","5000000","-user_agent","go2rtc/ffmpeg","-rtsp_flags","prefer_tcp","-i","rtsp://*****:*******@********:554/Interface/Cameras/Media?Camera=T01&Profile=Recording","-codec:v","libx264","-g:v","30","-bf:v","0","-preset:v","veryfast","-tune:v","zerolatency","-profile:v","main","-level:v","4.1","-an","-user_agent","ffmpeg/go2rtc","-rtsp_transport","tcp","-f","rtsp","rtsp://127.0.0.1:8554/692c610a510caf1e519f7b6edc355c20"]
18:35:58.442 DBG [exec] run rtsp launch=4.9064558s
18:35:58.443 DBG [streams] start producer url=ffmpeg:rtsp://****:******@******:554/Interface/Cameras/Media?Camera=T01&Profile=Recording#media=video#video=h264
18:36:08.511 DBG [streams] stop producer url=ffmpeg:rtsp://****:******@******:554/Interface/Cameras/Media?Camera=T01&Profile=Recording#media=video#video=h264
18:36:18.509 DBG [webrtc] new consumer src=T01_r

Nothing happens after that.

Configs:

api:
  origin: '*'
log:
  level: debug
  format: text
ffmpeg:
  bin: C:\ProgramData\chocolatey\bin\ffmpeg
  rtsp: "-r 30 -fflags nobuffer -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i {input}"
  h264: "-codec:v libx264 -g:v 30 -bf:v 0 -preset:v veryfast -tune:v zerolatency -profile:v main -level:v 4.1"
webrtc:
  listen: ":8555"
  candidates:
    - ********:8555
streams:
        T01_v:
          - ffmpeg:rtsp://****:*****@********:554/Interface/Cameras/Media?Camera=T01&Profile=Visualization#media=video#video=h264

Have tried some possibly unrelated things like changing candidates to stun:8555 and changing to tcp or udp, no result.

[AlexxIT]

Check stream info after stream closed. You can also check http://ip:1984/api/stacks url.

[franconoronha]

I'm going to post them here, since I don't really know what to do with this information.
Info after trying to re-open stream (I changed ffmpeg bin so I wouldn't need chocolatey):

{
  "producers": [
    {
      "id": 2,
      "format_name": "rtsp",
      "protocol": "rtsp+tcp",
      "remote_addr": "127.0.0.1:61808 forwarded ip:554",
      "source": "exec:ffmpeg -hide_banner -v error -allowed_media_types video -r 30 -fflags nobuffer -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://***:*****@ip:554/Interface/Cameras/Media?Camera=T01\u0026Profile=Visualization -codec:v libx264 -g:v 30 -bf:v 0 -preset:v veryfast -tune:v zerolatency -profile:v main -level:v 4.1 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp rtsp://127.0.0.1:8554/6d9d23bf1759c8bf6abfbdf9f6d95fd1",
      "url": "rtsp://***:*****@ip:554/Interface/Cameras/Media?Camera=T01\u0026Profile=Visualization",
      "sdp": "v=0\r\no=- 0 0 IN IP4 127.0.0.1\r\ns=_\r\nc=IN IP4 127.0.0.1\r\nt=0 0\r\na=tool:libavformat 61.7.100\r\nm=video 0 RTP/AVP 96\r\na=rtpmap:96 H264/90000\r\na=fmtp:96 packetization-mode=1; sprop-parameter-sets=Z01AKdoCwPaEAAADAAQAAAMA8jxgyoA=,aO8PyA==; profile-level-id=4D4029\r\na=control:streamid=0\r\n",
      "user_agent": "ffmpeg/go2rtc",
      "medias": [
        "video, recvonly, H264"
      ],
      "receivers": [
        {
          "id": 3,
          "codec": {
            "codec_name": "h264",
            "codec_type": "video",
            "level": 41,
            "profile": "Main"
          },
          "bytes": 2046895,
          "packets": 1742
        }
      ],
      "bytes_recv": 2067883
    }
  ],
  "consumers": []
}

http://ip:1984/api/stack after trying to re-open stream.

goroutine 60 [syscall, 6 minutes]:
syscall.Syscall6(0x1f4?, 0xc000047c20?, 0x867c7c?, 0xd49674?, 0xd42160?, 0xc0000f4000?, 0x1f4?, 0x22ce9a0a748?)
	runtime/syscall_windows.go:463 +0x38
syscall.readFile(0x304, {0xc00000e000?, 0x8000, 0x137e220?}, 0xc00002e420?, 0x800000?)
	syscall/zsyscall_windows.go:1019 +0x8b
syscall.ReadFile(...)
	syscall/syscall_windows.go:443
syscall.Read(0xc000370488?, {0xc00000e000?, 0x0?, 0xc0000439a0?})
	syscall/syscall_windows.go:422 +0x2d
internal/poll.(*FD).Read(0xc000370488, {0xc00000e000, 0x8000, 0x8000})
	internal/poll/fd_windows.go:424 +0x1b9
os.(*File).read(...)
	os/file_posix.go:29
os.(*File).Read(0xc000076798, {0xc00000e000?, 0xc180e0?, 0xc000008360?})
	os/file.go:124 +0x52
io.copyBuffer({0xe7c3a0, 0xc00011dce0}, {0xe7d280, 0xc000130008}, {0x0, 0x0, 0x0})
	io/io.go:429 +0x191
io.Copy(...)
	io/io.go:388
os.genericWriteTo(0x0?, {0xe7c3a0, 0xc00011dce0})
	os/file.go:275 +0x4f
os.(*File).WriteTo(0x137a400?, {0xe7c3a0?, 0xc00011dce0?})
	os/file.go:253 +0x49
io.copyBuffer({0xe7c3a0, 0xc00011dce0}, {0xe7c7c0, 0xc000076798}, {0x0, 0x0, 0x0})
	io/io.go:411 +0x9d
io.Copy(...)
	io/io.go:388
os/exec.(*Cmd).writerDescriptor.func1()
	os/exec/exec.go:580 +0x34
os/exec.(*Cmd).Start.func2(0x0?)
	os/exec/exec.go:733 +0x2c
created by os/exec.(*Cmd).Start in goroutine 26
	os/exec/exec.go:732 +0xa25

goroutine 61 [chan receive, 6 minutes]:
os/exec.(*Cmd).awaitGoroutines(0xc000002000, 0x0)
	os/exec/exec.go:957 +0x1f1
os/exec.(*Cmd).Wait(0xc000002000)
	os/exec/exec.go:924 +0x156
github.com/AlexxIT/go2rtc/internal/exec.handleRTSP.func2()
	github.com/AlexxIT/go2rtc/internal/exec/exec.go:157 +0x25
created by github.com/AlexxIT/go2rtc/internal/exec.handleRTSP in goroutine 26
	github.com/AlexxIT/go2rtc/internal/exec/exec.go:156 +0x369

goroutine 67 [sync.Mutex.Lock, 6 minutes]:
sync.runtime_SemacquireMutex(0xc000347ec8?, 0x3a?, 0x0?)
	runtime/sema.go:95 +0x25
sync.(*Mutex).lockSlow(0xc000228dec)
	sync/mutex.go:173 +0x15d
sync.(*Mutex).Lock(...)
	sync/mutex.go:92
github.com/AlexxIT/go2rtc/pkg/rtsp.(*Conn).Start(0xc000228c40)
	github.com/AlexxIT/go2rtc/pkg/rtsp/producer.go:48 +0x8f
github.com/AlexxIT/go2rtc/internal/streams.(*Producer).worker(0xc0001261b0, {0xe82940?, 0xc000228c40?}, 0x1)
	github.com/AlexxIT/go2rtc/internal/streams/producer.go:161 +0x2f
created by github.com/AlexxIT/go2rtc/internal/streams.(*Producer).start in goroutine 26
	github.com/AlexxIT/go2rtc/internal/streams/producer.go:157 +0x198

goroutine 124 [chan receive, 6 minutes]:
os/exec.(*Cmd).awaitGoroutines(0xc000002000, 0x0)
	os/exec/exec.go:957 +0x1f1
os/exec.(*Cmd).Wait(0xc000002000)
	os/exec/exec.go:924 +0x156
github.com/AlexxIT/go2rtc/internal/exec.(*closer).Close(0xc0002961f0)
	github.com/AlexxIT/go2rtc/internal/exec/closer.go:38 +0x285
github.com/AlexxIT/go2rtc/pkg/rtsp.(*Conn).Close(0xc000228c40)
	github.com/AlexxIT/go2rtc/pkg/rtsp/client.go:330 +0x83
github.com/AlexxIT/go2rtc/pkg/rtsp.(*Conn).Stop(0xc000228c40)
	github.com/AlexxIT/go2rtc/pkg/rtsp/producer.go:94 +0x105
github.com/AlexxIT/go2rtc/internal/streams.(*Producer).stop(0xc0001261b0)
	github.com/AlexxIT/go2rtc/internal/streams/producer.go:263 +0x12f
github.com/AlexxIT/go2rtc/internal/streams.(*Stream).stopProducers(0xc000134380)
	github.com/AlexxIT/go2rtc/internal/streams/stream.go:115 +0xe5
github.com/AlexxIT/go2rtc/internal/streams.(*Stream).RemoveConsumer(0xc000134380, {0xe81670, 0xc0001f4580})
	github.com/AlexxIT/go2rtc/internal/streams/stream.go:75 +0x21f
github.com/AlexxIT/go2rtc/internal/webrtc.asyncHandler.func1({0xc48400?, 0x134f230?})
	github.com/AlexxIT/go2rtc/internal/webrtc/webrtc.go:157 +0x9b
github.com/AlexxIT/go2rtc/pkg/core.(*Listener).Fire(...)
	github.com/AlexxIT/go2rtc/pkg/core/listener.go:16
github.com/AlexxIT/go2rtc/pkg/webrtc.NewConn.func5(0x6)
	github.com/AlexxIT/go2rtc/pkg/webrtc/conn.go:129 +0x68
created by github.com/pion/webrtc/v3.(*PeerConnection).onConnectionStateChange in goroutine 167
	github.com/pion/webrtc/[email protected]/peerconnection.go:496 +0x16f

goroutine 197 [select]:
github.com/pion/interceptor/pkg/report.(*SenderInterceptor).loop(0xc00013a080, {0xe7dae0, 0xc000597eb0})
	github.com/pion/[email protected]/pkg/report/sender_interceptor.go:116 +0x1bc
created by github.com/pion/interceptor/pkg/report.(*SenderInterceptor).BindRTCPWriter in goroutine 194
	github.com/pion/[email protected]/pkg/report/sender_interceptor.go:100 +0x10c

goroutine 194 [sync.Mutex.Lock, 6 minutes]:
sync.runtime_SemacquireMutex(0xc00055dbd8?, 0x16?, 0x22ceecf3988?)
	runtime/sema.go:95 +0x25
sync.(*Mutex).lockSlow(0xc00012622c)
	sync/mutex.go:173 +0x15d
sync.(*Mutex).Lock(...)
	sync/mutex.go:92
github.com/AlexxIT/go2rtc/internal/streams.(*Producer).Dial(0xc0001261b0)
	github.com/AlexxIT/go2rtc/internal/streams/producer.go:58 +0x52
github.com/AlexxIT/go2rtc/internal/streams.(*Stream).AddConsumer(0xc000134380, {0xe81670, 0xc000356dc0})
	github.com/AlexxIT/go2rtc/internal/streams/add_consumer.go:36 +0x68d
github.com/AlexxIT/go2rtc/internal/webrtc.asyncHandler(0xc0000d6af0, 0xc000602080)
	github.com/AlexxIT/go2rtc/internal/webrtc/webrtc.go:185 +0x6d7
github.com/AlexxIT/go2rtc/internal/api/ws.apiWS.func2()
	github.com/AlexxIT/go2rtc/internal/api/ws/ws.go:134 +0x39
created by github.com/AlexxIT/go2rtc/internal/api/ws.apiWS in goroutine 128
	github.com/AlexxIT/go2rtc/internal/api/ws/ws.go:133 +0x366

goroutine 198 [select, 6 minutes]:
github.com/pion/interceptor/pkg/twcc.(*SenderInterceptor).loop(0xc000016420, {0xe7dae0, 0xc000597eb0})
	github.com/pion/[email protected]/pkg/twcc/sender_interceptor.go:180 +0xfb
created by github.com/pion/interceptor/pkg/twcc.(*SenderInterceptor).BindRTCPWriter in goroutine 194
	github.com/pion/[email protected]/pkg/twcc/sender_interceptor.go:93 +0x14c

goroutine 196 [select]:
github.com/pion/interceptor/pkg/report.(*ReceiverInterceptor).loop(0xc0000163c0, {0xe7dae0, 0xc000597eb0})
	github.com/pion/[email protected]/pkg/report/receiver_interceptor.go:100 +0x16c
created by github.com/pion/interceptor/pkg/report.(*ReceiverInterceptor).BindRTCPWriter in goroutine 194
	github.com/pion/[email protected]/pkg/report/receiver_interceptor.go:89 +0x10c

goroutine 195 [select]:
github.com/pion/interceptor/pkg/nack.(*GeneratorInterceptor).loop(0xc000016360, {0xe7dae0, 0xc000597eb0})
	github.com/pion/[email protected]/pkg/nack/generator_interceptor.go:149 +0x11c
created by github.com/pion/interceptor/pkg/nack.(*GeneratorInterceptor).BindRTCPWriter in goroutine 194
	github.com/pion/[email protected]/pkg/nack/generator_interceptor.go:83 +0x10c

Total: 19, Skipped: 10