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• How to use FFmpeg to live HLS stream with subtitle ?

  17 août 2023, par iHad 169

  I want to use FFmpeg to live HLS stream with subtitle.
I have a Media. The Media have one video track, two audio track, four subtitle.
But, I tryed this command :

  



  ffmpeg -i input0.mkv \
-map 0:v:0 -c:v libx264 -strict -2 -s 426x240   -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename video/videoTrack240p_%d.ts      video/videoTrack240p.m3u8 \
-map 0:v:0 -c:v libx264 -strict -2 -s 1280x720  -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename video/videoTrack720p_%d.ts      video/videoTrack720p.m3u8 \
-map 0:v:0 -c:v libx264 -strict -2 -s 1920x1080 -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename video/videoTrack1080p_%d.ts     video/videoTrack1080p.m3u8 \
-map 0:a:0 -c:a aac                             -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename audio/audioTrack1_%d.aac        audio/audioTrack0.m3u8 \
-map 0:a:1 -c:a aac                             -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename audio/audioTrack0_%d.aac        audio/audioTrack1.m3u8 \
-map 0:s:0 -c:s webvtt                          -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename subtitle/subtitleTrack0_%d.vtt  subtitle/subtitleTrack0.m3u8 \
-map 0:s:1 -c:s webvtt                          -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename subtitle/subtitleTrack1_%d.vtt  subtitle/subtitleTrack1.m3u8 \
-map 0:s:2 -c:s webvtt                          -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename subtitle/subtitleTrack2_%d.vtt  subtitle/subtitleTrack2.m3u8 \
-map 0:s:3 -c:s webvtt                          -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename subtitle/subtitleTrack3_%d.vtt  subtitle/subtitleTrack3.m3u8


  



  It show this Error :

  



  ffmpeg version 3.4.4-0ubuntu0.18.04.1 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
  configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  WARNING: library configuration mismatch
  avcodec     configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared --enable-version3 --disable-doc --disable-programs --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libtesseract --enable-libvo_amrwbenc
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
[matroska,webm @ 0x5631128c1460] Could not find codec parameters for stream 5 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[matroska,webm @ 0x5631128c1460] Could not find codec parameters for stream 6 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, matroska,webm, from 'input0.mkv':
  Metadata:
    title           : GRAVITY DAZE The Animation Ouverture
    encoder         : libebml v1.2.3 + libmatroska v1.3.0
    creation_time   : 2017-03-30T06:22:52.000000Z
  Duration: 00:17:23.58, start: 0.000000, bitrate: 2155 kb/s
    Stream #0:0(eng): Video: h264 (High), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 1k tbn, 48 tbc (default)
    Stream #0:1(jpn): Audio: aac (LC), 48000 Hz, stereo, fltp (default)
    Stream #0:2(jpn): Audio: aac (LC), 48000 Hz, stereo, fltp
    Stream #0:3(chi): Subtitle: ass (default)
    Metadata:
      title           : CHT
    Stream #0:4(chi): Subtitle: ass
    Metadata:
      title           : CHS
    Stream #0:5(jpn): Subtitle: hdmv_pgs_subtitle
    Stream #0:6(eng): Subtitle: hdmv_pgs_subtitle
[hls @ 0x5631128fc840] Opening 'subtitle/subtitleTrack0_0.vtt' for writing
[hls @ 0x5631128fc840] Opening 'subtitle/subtitleTrack00.vtt' for writing
[mpegts @ 0x56311296bda0] No streams to mux were specified
Could not write header for output file #5 (incorrect codec parameters ?): Invalid argument
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:0 -> #1:0 (h264 (native) -> h264 (libx264))
  Stream #0:0 -> #2:0 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #3:0 (aac (native) -> aac (native))
  Stream #0:2 -> #4:0 (aac (native) -> aac (native))
  Stream #0:3 -> #5:0 (ass (ssa) -> webvtt (native))
  Stream #0:4 -> #6:0 (ass (ssa) -> webvtt (native))
  Stream #0:5 -> #7:0 (hdmv_pgs_subtitle (pgssub) -> webvtt (native))
  Stream #0:6 -> #8:0 (hdmv_pgs_subtitle (pgssub) -> webvtt (native))
    Last message repeated 1 times


  



  If the command not add subtitle :

  



  ffmpeg -i input0.mkv \
-map 0:v:0 -c:v libx264 -strict -2 -s 426x240   -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename video/videoTrack240p_%d.ts      video/videoTrack240p.m3u8 \
-map 0:v:0 -c:v libx264 -strict -2 -s 1280x720  -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename video/videoTrack720p_%d.ts      video/videoTrack720p.m3u8 \
-map 0:v:0 -c:v libx264 -strict -2 -s 1920x1080 -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename video/videoTrack1080p_%d.ts     video/videoTrack1080p.m3u8 \
-map 0:a:0 -c:a aac                             -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename audio/audioTrack1_%d.aac        audio/audioTrack0.m3u8 \
-map 0:a:1 -c:a aac                             -f hls -hls_time 10 -hls_list_size 6 -hls_wrap 10 -hls_segment_filename audio/audioTrack0_%d.aac        audio/audioTrack1.m3u8


  



  The streaming is work without error.
I cannot find FFmpeg streaming with subtitle example on long time.

  


• Is it possible to force ffmpeg to use hardware decoding with H.264 input stream ?

  27 août 2018, par Ryan Griggs

  I am running a raspberry pi 3B with ffmpeg compiled with the —enable-omx-rpi option. I am trying to do frame-capture from a webcam stream (h.264, 1920x1080) to JPG files at 5 frames per second. This operation currently causes the board to show very high CPU utilization and get very hot. For this reason, I am assuming hardware decoder is not being utilized.

  Is there a way to 1) determine whether ffmpeg is using hardware decoding, and 2) force it to be enabled ?

  EDIT : here’s the log :

  ffmpeg -probesize 4096 -analyzeduration 10000 -threads 1 -i rtsp://192.168.1.88:554/11 -vf fps=fps=5 -y test%03d.png
  
  ffmpeg version 3.2.10-1~deb9u1+rpt1 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 6.3.0 (Raspbian 6.3.0-18+rpi1) 20170516
  
    configuration: --prefix=/usr --extra-version='1~deb9u1+rpt1' --toolchain=hardened --libdir=/usr/lib/arm-linux-gnueabihf --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx-rpi --enable-mmal --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  
    libavutil      55. 34.101 / 55. 34.101
  
    libavcodec     57. 64.101 / 57. 64.101
  
    libavformat    57. 56.101 / 57. 56.101
  
    libavdevice    57.  1.100 / 57.  1.100
  
    libavfilter     6. 65.100 /  6. 65.100
  
    libavresample   3.  1.  0 /  3.  1.  0
  
    libswscale      4.  2.100 /  4.  2.100
  
    libswresample   2.  3.100 /  2.  3.100
  
    libpostproc    54.  1.100 / 54.  1.100
  
  [rtsp @ 0x1d9b630] Stream #0: not enough frames to estimate rate; consider increasing probesize
  
  [rtsp @ 0x1d9b630] decoding for stream 0 failed
  
  Guessed Channel Layout for Input Stream #0.1 : mono
  
  Input #0, rtsp, from 'rtsp://192.168.1.88:554/11':
  
    Metadata:
  
      title           : 10
  
    Duration: N/A, bitrate: 64 kb/s
  
      Stream #0:0: Video: h264 (Main), yuv420p(progressive), 1920x1080, 90k tbr, 90k tbn, 180k tbc
  
      Stream #0:1: Audio: pcm_alaw, 8000 Hz, mono, s16, 64 kb/s
  
  [swscaler @ 0x1e50a80] No accelerated colorspace conversion found from yuv420p to rgb24.
  
  Output #0, image2, to 'test%03d.png':
  
    Metadata:
  
      title           : 10
  
      encoder         : Lavf57.56.101
  
      Stream #0:0: Video: png, rgb24, 1920x1080, q=2-31, 200 kb/s, 5 fps, 5 tbn, 5 tbc
  
      Metadata:
  
        encoder         : Lavc57.64.101 png
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> png (native))
  
  Press [q] to stop, [?] for help
  
  [rtsp @ 0x1d9b630] max delay reached. need to consume packetN/A speed=   0x
  
  [rtsp @ 0x1d9b630] RTP: missed 13 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 24 3, bytestream -5
  
  [h264 @ 0x1dfb650] concealing 7825 DC, 7825 AC, 7825 MV errors in P frame
  
  [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 88 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 38 41, bytestream -11
  
  [h264 @ 0x1dfb650] concealing 3251 DC, 3251 AC, 3251 MV errors in P frame
  
  frame=    4 fps=2.2 q=-0.0 size=N/A time=00:00:00.20 bitrate=N/A speed=0.111x   [h264 @ 0x1dfb650] Increasing reorder buffer to 1
  
  frame=    4 fps=0.8 q=-0.0 size=N/A time=00:00:00.20 bitrate=N/A speed=0.0413x  [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 30 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 37 5, bytestream -9
  
  [h264 @ 0x1dfb650] concealing 7572 DC, 7572 AC, 7572 MV errors in P frame
  
  frame=    5 fps=0.9 q=-0.0 size=N/A time=00:00:00.40 bitrate=N/A speed=0.069x   [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 34 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 98 4, bytestream -9
  
  [h264 @ 0x1dfb650] concealing 7631 DC, 7631 AC, 7631 MV errors in P frame
  
  frame=    6 fps=0.9 q=-0.0 size=N/A time=00:00:00.60 bitrate=N/A speed=0.0894x  [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 30 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 20 10, bytestream -9
  
  [h264 @ 0x1dfb650] concealing 6989 DC, 6989 AC, 6989 MV errors in P frame
  
  frame=    6 fps=0.8 q=-0.0 size=N/A time=00:00:00.60 bitrate=N/A speed=0.0808x  [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 3357 packets
  
  [rtsp @ 0x1d9b630] RTP: PT=60: bad cseq 0fed expected=02d0
  
  [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 3358 packets
  
  [h264 @ 0x1dfb650] concealing 3400 DC, 3400 AC, 3400 MV errors in P frame
  
  frame=    8 fps=1.0 q=-0.0 size=N/A time=00:00:01.00 bitrate=N/A speed=0.124x   [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 5 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 33 42, bytestream -5
  
  [h264 @ 0x1dfb650] concealing 3136 DC, 3136 AC, 3136 MV errors in P frame
  
  frame=    8 fps=0.9 q=-0.0 size=N/A time=00:00:01.00 bitrate=N/A speed=0.117x   frame=   41 fps=0.9 q=-0.0 size=N/A time=00:00:07.40 bitrate=N/A speed=0.156x   [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 6 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 72 17, bytestream -5
  
  [h264 @ 0x1dfb650] concealing 6097 DC, 6097 AC, 6097 MV errors in P frame
  
  frame=   42 fps=0.9 q=-0.0 size=N/A time=00:00:07.60 bitrate=N/A speed=0.155x   frame=   44 fps=0.9 q=-0.0 size=N/A time=00:00:08.00 bitrate=N/A speed=0.162x   [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 19325 packets
  
  [rtsp @ 0x1d9b630] RTP: PT=60: bad cseq 5c13 expected=1096
  
  [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 19326 packets
  
  [h264 @ 0x1dfb650] cabac decode of qscale diff failed at 5 15
  
  [h264 @ 0x1dfb650] error while decoding MB 5 15, bytestream 14471
  
  [h264 @ 0x1dfb650] concealing 6404 DC, 6404 AC, 6404 MV errors in P frame
  
  [rtsp @ 0x1d9b630] max delay reached. need to consume packet
  
  [rtsp @ 0x1d9b630] RTP: missed 32 packets
  
  [h264 @ 0x1dfb650] error while decoding MB 40 13, bytestream -11
  
  [h264 @ 0x1dfb650] concealing 6609 DC, 6609 AC, 6609 MV errors in P frame
  
  frame=   44 fps=0.9 q=-0.0 size=N/A time=00:00:08.00 bitrate=N/A speed=0.159x   

  Here’s the output of ffmpeg -decoders | grep -i h264 :

   ffmpeg -decoders | grep -i h264
  
  ffmpeg version 3.2.10-1~deb9u1+rpt1 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 6.3.0 (Raspbian 6.3.0-18+rpi1) 20170516
  
    configuration: --prefix=/usr --extra-version='1~deb9u1+rpt1' --toolchain=hardened --libdir=/usr/lib/arm-linux-gnueabihf --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx-rpi --enable-mmal --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  
    libavutil      55. 34.101 / 55. 34.101
  
    libavcodec     57. 64.101 / 57. 64.101
  
    libavformat    57. 56.101 / 57. 56.101
  
    libavdevice    57.  1.100 / 57.  1.100
  
    libavfilter     6. 65.100 /  6. 65.100
  
    libavresample   3.  1.  0 /  3.  1.  0
  
    libswscale      4.  2.100 /  4.  2.100
  
    libswresample   2.  3.100 /  2.  3.100
  
    libpostproc    54.  1.100 / 54.  1.100
  
   VFS..D h264                 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
  
   V..... h264_mmal            h264 (mmal) (codec h264)
  
   V....D h264_vdpau           H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration) (codec h264)

• Getting .mp4 from .f4m stream url

  22 mai 2020, par Gil Sand

  Currently I have the following url 
http://vpl.rtl.be/z//2018/08/21/CA00001318626_,400,600,800,1200,1800,.mp4.csmil/manifest.f4m?hdcore=1

  



  which contains an .f4m file, which directs to an mp4 file.

  



  I can't find a way to get that mp4 from that file (i just need the direct mp4 url or file).

  



  How should I proceed ? I have tried using ffmpeg or simply reading the file, with no luck.