ERROR 400 : Error initializing output stream 0:1 --

[Chris92ch]

Hello. I'm currently trying to stream in loop a mp4 / mkv video using rtsp-simple-server .
My dockerfile :

FROM aler9/rtsp-simple-server AS rtsp
FROM alpine:latest
EXPOSE 8554:8554
EXPOSE 1935:1935
EXPOSE 8888:8888
RUN apk add --no-cache ffmpeg bash
COPY --from=rtsp /rtsp-simple-server /
ENTRYPOINT [ "/rtsp-simple-server" ]

In the container, I have the following error when trying to create the stream from a mp4 / mkv (mkv would be the ideal format in my case) file

bash-5.1#  ffmpeg -re -stream_loop 0 -i /vid1.mkv  -f rtsp -rtsp_transport tcp rtsp://localhost:8554/mystream
ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.3.1 (Alpine 10.3.1_git20210424) 20210424
  configuration: --prefix=/usr --enable-avresample --enable-avfilter --enable-gnutls --enable-gpl --enable-libass --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libx264 --enable-libx265 --enable-libtheora --enable-libv4l2 --enable-libdav1d --enable-postproc --enable-pic --enable-pthreads --enable-shared --enable-libxcb --enable-libsrt --enable-libssh --enable-libvidstab --disable-stripping --disable-static --disable-librtmp --enable-vaapi --enable-vdpau --enable-libopus --enable-vulkan --enable-libsoxr --enable-libwebp --enable-libaom --disable-debug
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Input #0, matroska,webm, from '/vid1.mkv':
  Metadata:
    ENCODER         : Lavf57.83.100
  Duration: 00:00:40.89, start: 0.000000, bitrate: 168 kb/s
  Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv), 256x144, SAR 1:1 DAR 16:9, 24 fps, 24 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      DURATION        : 00:00:40.791000000
  Stream #0:1: Audio: aac (LC), 44100 Hz, stereo, fltp (default)
    Metadata:
      HANDLER_NAME    : SoundHandler
      DURATION        : 00:00:40.890000000
Stream mapping:
  Stream #0:0 -> #0:0 (vp9 (native) -> mpeg4 (native))
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[mpeg4 @ 0x7ff7e8f29600] too many threads/slices (10), reducing to 9
Could not write header for output file #0 (incorrect codec parameters ?): Server returned 400 Bad Request
Error initializing output stream 0:0 -- 
[aac @ 0x7ff7e8f0d4c0] Qavg: 18249.141
[aac @ 0x7ff7e8f0d4c0] 2 frames left in the queue on closing
Conversion failed!
bash-5.1# 

Same example with an mp4 file :

bash-5.1#  ffmpeg -re -stream_loop -1 -i vid1.mp4  -bsf:v h264_mp4toannexb -an -f rtsp rtsp://127.0.0.1:8554/mystream
ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.3.1 (Alpine 10.3.1_git20210424) 20210424
  configuration: --prefix=/usr --enable-avresample --enable-avfilter --enable-gnutls --enable-gpl --enable-libass --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libx264 --enable-libx265 --enable-libtheora --enable-libv4l2 --enable-libdav1d --enable-postproc --enable-pic --enable-pthreads --enable-shared --enable-libxcb --enable-libsrt --enable-libssh --enable-libvidstab --disable-stripping --disable-static --disable-librtmp --enable-vaapi --enable-vdpau --enable-libopus --enable-vulkan --enable-libsoxr --enable-libwebp --enable-libaom --disable-debug
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'vid1.mp4':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6avc1mp41
    creation_time   : 2018-11-21T03:29:16.000000Z
  Duration: 00:07:11.00, start: 0.000000, bitrate: 109 kb/s
  Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 426x240 [SAR 1:1 DAR 71:40], 0 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2018-11-21T03:29:16.000000Z
      handler_name    : ISO Media file produced by Google Inc. Created on: 11/20/2018.
      vendor_id       : [0][0][0][0]
Could not write header for output file #0 (incorrect codec parameters ?): Server returned 400 Bad Request
Error initializing output stream 0:0 -- 
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
    Last message repeated 1 times

stdout of the container :

2021/11/10 16:24:35 INF [RTSP] [conn 127.0.0.1:58350] opened
2021/11/10 16:24:35 INF [RTSP] [session 567463602] opened by 127.0.0.1:58350
2021/11/10 16:24:35 INF [RTSP] [conn 127.0.0.1:58350] closed (path 'mystream' is not configured)
2021/11/10 16:24:35 INF [RTSP] [session 567463602] closed (not in use)

do you know what could be the cause of this error ? I just would like to be able to stream locally with this docker running .

Best regards
Chris

[aler9]

Hello, you also need to copy the configuration file, otherwise no paths are configured and no one can publish or read:

FROM aler9/rtsp-simple-server AS rtsp
FROM alpine:latest
EXPOSE 8554:8554
EXPOSE 1935:1935
EXPOSE 8888:8888
RUN apk add --no-cache ffmpeg bash
COPY --from=rtsp /rtsp-simple-server /
COPY --from=rtsp /rtsp-simple-server.yml /
ENTRYPOINT [ "/rtsp-simple-server" ]