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• FFMPEG RTSP stream to multiple output, one mp4 and also restream

  16 août 2022, par csonty

  I would like to seek your help with FFMPEG and how to use it properly on Windows and Linux. I have to get the camera RTSP stream and record it into 1 minutes segments and also stream at the same time.
I did try to stream it to rtsp, but it didn't work at all [f=RTSP]rtsp ://ipaddress:554/mystream , it stuck and did nothing.

  


  I did also try to add the -use_wallclock_as_timestamps 1 but it didn't do anything. I also tried to add the -flags +global_header, but not sure, how to add it into this script.

  


  I did try it on both Linux and Windows with the following commands (not sure how to create a bash script from it)

  


  Linux :
./usr/bin/ffmpeg -i 'rtsp://username:password@192.168.68.99:554/Streaming/Channels/101/' -c copy -f tee -map 0:v '[f=segment:strftime=1:segment_time=60]wwcam99-%Y-%m-%d_%H-%M-%S.mp4|[f=mpegts]udp://10.10.3.251:5555'

  


  Windows :
ffmpeg -i "rtsp://username:password@192.168.68.99:554/Streaming/Channels/101/" -c copy -f tee -map 0:v "[f=segment:strftime=1:segment_time=60]wwcam99-%%Y-%%m-%%d_%%H-%%M-%%S.mp4|[f=mpegts]udp://10.10.3.199:5555"

  


  It records the files and the stream can be viewed on the localhost (not sure why I cannot view from other machines even if the firewall is off, but it might be a network issue)

  


  This is the output with mostly error messages that I couldn't fix :

  


  


  [rtsp @ 0x563f2688cf80] max delay reached. need to consume packet
[rtsp @ 0x563f2688cf80] RTP : missed 216 packets
[h264 @ 0x563f26890c40] left block unavailable for requested intra4x4 mode -1
[h264 @ 0x563f26890c40] error while decoding MB 0 12, bytestream 144004
[h264 @ 0x563f26890c40] concealing 13993 DC, 13993 AC, 13993 MV errors in I frame
Input #0, rtsp, from 'rtsp ://username:password@192.168.68.99:554/Streaming/Channels/101/' :
Metadata :
title : Media Presentation
Duration : N/A, start : 0.983333, bitrate : N/A
Stream #0:0 : Video : h264 (Main), yuvj420p(pc, bt709, progressive), 2688x1520 [SAR 1:1 DAR 168:95], 6 fps, 20 tbr, 90k tbn, 12 tbc
[segment @ 0x563f268ced00] Opening 'wwcam99-2022-08-16_17-28-20.mp4' for writing
Output #0, tee, to '[f=segment:strftime=1:segment_time=60]wwcam09-%Y-%m-%d_%H-%M-%S.mp4|[f=mpegts]udp ://10.10.3.251:5555' :
Metadata :
title : Media Presentation
encoder : Lavf58.29.100
Stream #0:0 : Video : h264 (Main), yuvj420p(pc, bt709, progressive), 2688x1520 [SAR 1:1 DAR 168:95], q=2-31, 6 fps, 20 tbr, 6 tbn, 6 tbc
Stream mapping :
Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 0, current : -5 ; changing to 1. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 1, current : -4 ; changing to 2. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 2, current : -3 ; changing to 3. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 3, current : -2 ; changing to 4. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 4, current : -1 ; changing to 5. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 5, current : 0 ; changing to 6. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 6, current : 1 ; changing to 7. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 7, current : 2 ; changing to 8. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 8, current : 3 ; changing to 9. This may result in incorrect timestamps in the output file.
[tee @ 0x563f268cbc00] Non-monotonous DTS in output stream 0:0 ; previous : 9, current : 4 ; changing to 10. This may result in incorrect timestamps in the output file.

  


  


  Any help would be highly appreciated

  


• How to decode two Dolby E audio streams simultaneously with ffmpeg ?

  11 août 2022, par David

  I'm trying to decode 2 Dolby-E audio streams simultaneously.

  


  ffmpeg -non_pcm_mode copy -i C:\vlc-record.ts -map 0:3 -map 0:4 -c:a pcm_s24le -f s24le - | ffplay -

  


  Using -map 0:3 it works for one at a time but when I add the second one -map 0:4 it only process the first one and there is just one stream on my dolby_e output pipe.

  


  Is there a way to create a two streams multicanal non-pcm output from 2 Dolbys PCM streams ?

  


  I tried to find a solution with named pipe but it seems like windows command line doesn't accept this. I also tried to merge the PCM streams but then it says Invalid data found when processing input.

  


  I can't make it with 2 pass because I'll be using it with udp live video streams.

  


  ffmpeg version 2022-03-07-git-e645a1ddb9-full_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 11.2.0 (Rev7, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      57. 22.100 / 57. 22.100
  libavcodec     59. 22.100 / 59. 22.100
  libavformat    59. 17.103 / 59. 17.103
  libavdevice    59.  5.100 / 59.  5.100
  libavfilter     8. 27.100 /  8. 27.100
  libswscale      6.  5.100 /  6.  5.100
  libswresample   4.  4.100 /  4.  4.100
  libpostproc    56.  4.100 / 56.  4.100
ffplay version 2022-03-07-git-e645a1ddb9-full_build-www.gyan.dev Copyright (c) 2003-2022 the FFmpeg developers
  built with gcc 11.2.0 (Rev7, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      57. 22.100 / 57. 22.100
  libavcodec     59. 22.100 / 59. 22.100
  libavformat    59. 17.103 / 59. 17.103
  libavdevice    59.  5.100 / 59.  5.100
  libavfilter     8. 27.100 /  8. 27.100
  libswscale      6.  5.100 /  6.  5.100
  libswresample   4.  4.100 /  4.  4.100
  libpostproc    56.  4.100 / 56.  4.100

Input #0, mpegts, from 'C:\vlc-record.ts':
  Duration: 00:00:15.76, start: 42530.445511, bitrate: 31505 kb/s
  Program 1
  Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn
  Stream #0:1: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, fltp, 256 kb/s
  Stream #0:2: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, fltp, 256 kb/s
  Stream #0:3: Audio: s302m (BSSD / 0x44535342), stereo, s32 (20 bit), 2304 kb/s
  Stream #0:4: Audio: s302m (BSSD / 0x44535342), stereo, s32 (20 bit), 2304 kb/s
Stream mapping:
  Stream #0:3 -> #0:0 (s302m (native) -> pcm_s24le (native))
Press [q] to stop, [?] for help
Output #0, s24le, to 'pipe:':
  Metadata:
    encoder         : Lavf59.17.103
  Stream #0:0: Audio: pcm_s24le, 48000 Hz, stereo, s32 (20 bit), 2304 kb/s
    Metadata:
      encoder         : Lavc59.22.100 pcm_s24le
[dolby_e @ 0000026b16da0640] Stream has 2 programs (configuration 0), channels will be output in native order.
Input #0, s337m, from 'pipe:':
  Duration: N/A, bitrate: N/A
  Stream #0:0: Audio: dolby_e, 44800 Hz, 7.1, fltp
[dolby_e @ 0000026b16d7ca80] Stream has 2 programs (configuration 0), channels will be output in native order.
   1.25 M-A:  0.000 fd=   0 aq=  292KB vq=    0KB sq=    0B f=0/0
av_interleaved_write_frame(): Broken pipe
Error writing trailer of pipe:: Broken pipe
size=    1451kB time=00:00:05.20 bitrate=2286.3kbits/s speed=3.07x
video:0kB audio:1462kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Error closing file pipe:: Broken pipe
Conversion failed!



  


• avformat : refactor ff_stream_encode_params_copy() to stream_params_copy()

  6 août 2022, par Pierre-Anthony Lemieux

  avformat : refactor ff_stream_encode_params_copy() to stream_params_copy()
  Addresses http://ffmpeg.org/pipermail/ffmpeg-devel/2022-August/299726.html
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavformat/avformat.c
  • [DH] libavformat/fifo.c
  • [DH] libavformat/internal.h
  • [DH] libavformat/mux.h
  • [DH] libavformat/mux_utils.c
  • [DH] libavformat/segment.c
  • [DH] libavformat/tee.c
  • [DH] libavformat/webm_chunk.c