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  • FFMPEG changes speed when concat 2 or more different videos

    13 novembre 2020, par Daniel Santos Neto

    I am using this code

    


    ffmpeg   -y  -re -i "/myvideos/countdown10.mp4"   -re -i "/myvideos/video_218.mp4"  -re -i "/myvideos/video_220.mp4"   -re -i "/myvideos/video_221.mp4"  -re -i "/myvideos/video_222.mp4"   -re -i "/myvideos/countdown10.mp4"  -re -i '/myvideos/watermark.png'  -filter_complex " [0:v] [0:a]   [1:v] [1:a]   [2:v] [2:a]   [3:v] [3:a]   [4:v] [4:a]   [5:v] [5:a]  concat=n=6:v=1:a=1:unsafe=1 [vv] [a]; [vv][6:v]overlay=W-w-0:0[v]" -map "[v]" -map "[a]"  -preset veryfast -vcodec h264 -acodec aac -strict -2 -max_muxing_queue_size 1024 -y -s 1280x720  -ar 44100 -f flv rtmp://server/live/5fa3731d4f8a6_159


    


    the problem is, when I run it the process speed is a lot faster then the videos length, so I got disconnected from my livestream before the live finishes.

    


    I guess it is something related to the bit rates.

    


    also I notice depends on what video is transcoding the speed floats between 0.9x and 3.7x

    


    frame= 4481 fps= 76 q=-1.0 Lsize= 16857kB time=00:03:13.21 bitrate= 714.7kbits/s dup=0 drop=393 speed=3.29x

    


    Edited :

    


    Complete log file :

    


    avideo@ubuntu:~$ ffmpeg    -re -i "/var/www/gdrive/htdocs/YouPHPTube-Encoder/videos/videosListToLive/countdown10.mp4"   -re -i "/var/www/gdrive/htdocs/YouPHPTube-Encoder/videos/videosListToLive/192.168.1.4/video_222.mp4" -filter_complex " [0:v] [0:a]   [1:v] [1:a] concat=n=2:v=1:a=1:unsafe=1 [v] [a]" -map "[v]" -map "[a]"   -preset veryfast  -vcodec h264 -acodec aac -strict -2 -max_muxing_queue_size 1024 -y -s 1280x720 -ar 44100  -f flv rtmp://encoder.gdrive.local/live?p=f321d14cdeeb7cded7489f504fa8862b/5fa3731d4f8a6_160
ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/var/www/gdrive/htdocs/YouPHPTube-Encoder/videos/videosListToLive/countdown10.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.29.100
  Duration: 00:00:10.02, start: 0.000000, bitrate: 122 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 83 kb/s, 5 fps, 5 tbr, 10240 tbn, 10 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 35 kb/s (default)
    Metadata:
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/var/www/gdrive/htdocs/YouPHPTube-Encoder/videos/videosListToLive/192.168.1.4/video_222.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.29.100
  Duration: 00:00:30.60, start: 0.000000, bitrate: 37 kb/s
    Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 26 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 10/16/2018.
    Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 10/16/2018.
Stream mapping:
  Stream #0:0 (h264) -> concat:in0:v0
  Stream #0:1 (aac) -> concat:in0:a0
  Stream #1:0 (h264) -> concat:in1:v0
  Stream #1:1 (aac) -> concat:in1:a0
  concat:out:v0 -> Stream #0:0 (libx264)
  concat:out:a0 -> Stream #0:1 (aac)
Press [q] to stop, [?] for help
[libx264 @ 0x5645453b7a80] using SAR=1/1B time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A
[libx264 @ 0x5645453b7a80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x5645453b7a80] profile High, level 3.1
[libx264 @ 0x5645453b7a80] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=1 keyint=250 keyint_min=5 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmp://encoder.gdrive.local/live?p=f321d14cdeeb7cded7489f504fa8862b/5fa3731d4f8a6_160':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.29.100
    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 5 fps, 1k tbn, 5 tbc (default)
    Metadata:
      encoder         : Lavc58.54.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      encoder         : Lavc58.54.100 aac
[flv @ 0x5645453ae580] Failed to update header with correct duration. 49.3kbits/s dup=0 drop=751 speed=1.33x
[flv @ 0x5645453ae580] Failed to update header with correct filesize.
frame=  205 fps=6.7 q=-1.0 Lsize=     250kB time=00:00:40.58 bitrate=  50.5kbits/s dup=0 drop=762 speed=1.33x
video:164kB audio:53kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 15.473391%
[libx264 @ 0x5645453b7a80] frame I:2     Avg QP: 4.62  size: 10450
[libx264 @ 0x5645453b7a80] frame P:58    Avg QP:10.06  size:  1457
[libx264 @ 0x5645453b7a80] frame B:145   Avg QP:11.12  size:   427
[libx264 @ 0x5645453b7a80] consecutive B-frames:  4.9%  1.0%  4.4% 89.8%
[libx264 @ 0x5645453b7a80] mb I  I16..4: 91.4%  2.8%  5.7%
[libx264 @ 0x5645453b7a80] mb P  I16..4:  8.4%  0.4%  0.1%  P16..4:  2.0%  0.3%  0.1%  0.0%  0.0%    skip:88.6%
[libx264 @ 0x5645453b7a80] mb B  I16..4:  0.2%  0.1%  0.0%  B16..8:  0.9%  0.1%  0.0%  direct: 4.7%  skip:94.0%  L0:33.9% L1:63.4% BI: 2.7%
[libx264 @ 0x5645453b7a80] 8x8 transform intra:5.5% inter:24.0%
[libx264 @ 0x5645453b7a80] coded y,uvDC,uvAC intra: 4.7% 22.9% 19.5% inter: 0.2% 4.2% 0.3%
[libx264 @ 0x5645453b7a80] i16 v,h,dc,p: 94%  4%  2%  0%
[libx264 @ 0x5645453b7a80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 18% 37%  3%  2%  3%  2%  2%  1%
[libx264 @ 0x5645453b7a80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 38% 20% 21%  5%  3%  4%  3%  4%  3%
[libx264 @ 0x5645453b7a80] i8c dc,h,v,p: 78%  8% 12%  2%
[libx264 @ 0x5645453b7a80] Weighted P-Frames: Y:20.7% UV:20.7%
[libx264 @ 0x5645453b7a80] kb/s:32.64
[aac @ 0x564545421540] Qavg: 61548.156
avideo@ubuntu:~$


    


    Also here is a video where you can see the process

    


    https://tutorials.avideo.com/video/102/ffmpeg-changes-speed-when-concat-2-or-more-different-videos

    


    this live should have exactly 40 seconds but finishes before then that

    


    also look at this time position https://tutorials.avideo.com/video/102/ffmpeg-changes-speed-when-concat-2-or-more-different-videos?t=12

    


    the speed changes from speed=0.9 to speed=1.9

    


    speed=0.9 to speed=1.9

    


    EDITED 2 :

    


    I tried the FPS command as suggested and still the problem

    


    avideo@ubuntu:~$ ffmpeg    -re -i "http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/index.m3u8?token=eyJzYWx0IjoiaHR0cDpcL1wvMTkyLjE2OC4xLjRcL1lvdVBIUFR1YmVcLyIsInRva2VuVGltZU91dCI6IjIxNjAwIiwiZmlsZW5hbWUiOiJfWVBUdW5pcWlkXzVmODBjNTQ3NDIxMDU3LjI0MDU2MDE1IiwidGltZSI6MTYwNTI4MzExN30="   -re -i "http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5fa3f4e37ffb65.33430678_720.mp4?token=eyJzYWx0IjoiaHR0cDpcL1wvMTkyLjE2OC4xLjRcL1lvdVBIUFR1YmVcLyIsInRva2VuVGltZU91dCI6IjIxNjAwIiwiZmlsZW5hbWUiOiJfWVBUdW5pcWlkXzVmYTNmNGUzN2ZmYjY1LjMzNDMwNjc4IiwidGltZSI6MTYwNTI4MzExN30="   -re -i '/var/www/gdrive/htdocs/YouPHPTube-Encoder/videos/videosListToLive/192.168.1.4/watermark.png'  -filter_complex "  [0]setdar=16/9,scale=1280:720, fps=30[0:v];     [1]setdar=16/9,scale=1280:720, fps=30[1:v];     [0:v] [0:a]     [1:v] [1:a]   concat=n=2:v=1:a=1:unsafe=1 [vv] [a]; [vv][2:v]overlay=W-w-0:0[v]" -map "[v]" -map "[a]"   -c:v libx264 -b:v 3000k -maxrate 3000k -bufsize 6000k -g 50 -c:a aac -b:a 128k -ac 2 -s 1280x720  -ar 44100   -f flv rtmp://encoder.gdrive.local/live?p=f321d14cdeeb7cded7489f504fa8862b/5fa3731d4f8a6_161
ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
[hls @ 0x5627c50f2800] Skip ('#EXT-X-VERSION:3')
[hls @ 0x5627c50f2800] Opening 'http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/res240/index.m3u8?token=eyJzYWx0IjoiaHR0cDpcL1wvMTkyLjE2OC4xLjRcL1lvdVBIUFR1YmVcLyIsInRva2VuVGltZU91dCI6IjIxNjAwIiwiZmlsZW5hbWUiOiJfWVBUdW5pcWlkXzVmODBjNTQ3NDIxMDU3LjI0MDU2MDE1IiwidGltZSI6MTYwNTI4MzExN30=' for reading
[hls @ 0x5627c50f2800] Skip ('#EXT-X-VERSION:3')
[http @ 0x5627c50fa940] Opening 'http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/res360/index.m3u8?token=eyJzYWx0IjoiaHR0cDpcL1wvMTkyLjE2OC4xLjRcL1lvdVBIUFR1YmVcLyIsInRva2VuVGltZU91dCI6IjIxNjAwIiwiZmlsZW5hbWUiOiJfWVBUdW5pcWlkXzVmODBjNTQ3NDIxMDU3LjI0MDU2MDE1IiwidGltZSI6MTYwNTI4MzExN30=' for reading
[hls @ 0x5627c50f2800] Skip ('#EXT-X-VERSION:3')
[hls @ 0x5627c50f2800] Opening 'http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/enc_5f80c54914f03.key' for reading
[hls @ 0x5627c50f2800] Opening 'crypto+http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/res240/index0.ts' for reading
[hls @ 0x5627c50f2800] Opening 'http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/enc_5f80c54914f03.key' for reading
[hls @ 0x5627c50f2800] Opening 'crypto+http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/res360/index0.ts' for reading
Input #0, hls, from 'http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/index.m3u8?token=eyJzYWx0IjoiaHR0cDpcL1wvMTkyLjE2OC4xLjRcL1lvdVBIUFR1YmVcLyIsInRva2VuVGltZU91dCI6IjIxNjAwIiwiZmlsZW5hbWUiOiJfWVBUdW5pcWlkXzVmODBjNTQ3NDIxMDU3LjI0MDU2MDE1IiwidGltZSI6MTYwNTI4MzExN30=':
  Duration: 00:00:13.21, start: 1.460111, bitrate: 0 kb/s
  Program 0
    Metadata:
      variant_bitrate : 300000
    Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 426x240 [SAR 640:639 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
    Metadata:
      variant_bitrate : 300000
    Stream #0:1: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 300000
  Program 1
    Metadata:
      variant_bitrate : 600000
    Stream #0:2: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 24 fps, 24 tbr, 90k tbn, 48 tbc
    Metadata:
      variant_bitrate : 600000
    Stream #0:3: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 600000
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5fa3f4e37ffb65.33430678_720.mp4?token=eyJzYWx0IjoiaHR0cDpcL1wvMTkyLjE2OC4xLjRcL1lvdVBIUFR1YmVcLyIsInRva2VuVGltZU91dCI6IjIxNjAwIiwiZmlsZW5hbWUiOiJfWVBUdW5pcWlkXzVmYTNmNGUzN2ZmYjY1LjMzNDMwNjc4IiwidGltZSI6MTYwNTI4MzExN30=':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.29.100
  Duration: 00:00:30.60, start: 0.000000, bitrate: 37 kb/s
    Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 26 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 10/16/2018.
    Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 10/16/2018.
Input #2, png_pipe, from '/var/www/gdrive/htdocs/YouPHPTube-Encoder/videos/videosListToLive/192.168.1.4/watermark.png':
  Duration: N/A, bitrate: N/A
    Stream #2:0: Video: png, rgba(pc), 1280x720 [SAR 3780:3780 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
Stream mapping:
  Stream #0:0 (h264) -> setdar
  Stream #0:1 (aac) -> concat:in0:a0
  Stream #1:0 (h264) -> setdar
  Stream #1:1 (aac) -> concat:in1:a0
  Stream #2:0 (png) -> overlay:overlay
  overlay -> Stream #0:0 (libx264)
  concat:out:a0 -> Stream #0:1 (aac)
Press [q] to stop, [?] for help
[libx264 @ 0x5627c5267f40] using SAR=1/1
[libx264 @ 0x5627c5267f40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x5627c5267f40] profile High, level 3.1
[libx264 @ 0x5627c5267f40] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=50 keyint_min=5 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=cbr mbtree=1 bitrate=3000 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=3000 vbv_bufsize=6000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmp://encoder.gdrive.local/live?p=f321d14cdeeb7cded7489f504fa8862b/5fa3731d4f8a6_161':
  Metadata:
    encoder         : Lavf58.29.100
    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 3000 kb/s, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc58.54.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 3000000/0/3000000 buffer size: 6000000 vbv_delay: -1
    Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      encoder         : Lavc58.54.100 aac
[hls @ 0x5627c50f2800] Opening 'crypto+http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/res240/index1.ts' for reading
[hls @ 0x5627c50f2800] No longer receiving playlist 1 ('http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/res360/index.m3u8?token=eyJzYWx0IjoiaHR0cDpcL1wvMTkyLjE2OC4xLjRcL1lvdVBIUFR1YmVcLyIsInRva2VuVGltZU91dCI6IjIxNjAwIiwiZmlsZW5hbWUiOiJfWVBUdW5pcWlkXzVmODBjNTQ3NDIxMDU3LjI0MDU2MDE1IiwidGltZSI6MTYwNTI4MzExN30=')
[hls @ 0x5627c50f2800] Opening 'crypto+http://192.168.1.4/YouPHPTube/videos/_YPTuniqid_5f80c547421057.24056015/res240/index2.ts' for reading
[flv @ 0x5627c52635c0] Failed to update header with correct duration.10.4kbits/s speed=1.43x
[flv @ 0x5627c52635c0] Failed to update header with correct filesize.
frame= 1313 fps= 43 q=-1.0 Lsize=    5937kB time=00:00:43.81 bitrate=1110.1kbits/s speed=1.43x
video:5662kB audio:218kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.976283%
[libx264 @ 0x5627c5267f40] frame I:70    Avg QP: 4.15  size: 27705
[libx264 @ 0x5627c5267f40] frame P:423   Avg QP: 4.16  size:  6930
[libx264 @ 0x5627c5267f40] frame B:820   Avg QP: 1.56  size:  1130
[libx264 @ 0x5627c5267f40] consecutive B-frames: 13.6%  7.9%  4.8% 73.7%
[libx264 @ 0x5627c5267f40] mb I  I16..4: 69.2% 24.3%  6.4%
[libx264 @ 0x5627c5267f40] mb P  I16..4:  2.0%  9.4%  1.6%  P16..4:  1.7%  0.3%  0.1%  0.0%  0.0%    skip:85.0%
[libx264 @ 0x5627c5267f40] mb B  I16..4:  0.1%  0.3%  0.2%  B16..8:  1.0%  0.1%  0.0%  direct: 0.6%  skip:97.6%  L0:57.9% L1:40.1% BI: 2.0%
[libx264 @ 0x5627c5267f40] 8x8 transform intra:45.7% inter:71.9%
[libx264 @ 0x5627c5267f40] coded y,uvDC,uvAC intra: 36.1% 46.9% 43.4% inter: 0.4% 1.1% 0.7%
[libx264 @ 0x5627c5267f40] i16 v,h,dc,p: 93%  4%  3%  0%
[libx264 @ 0x5627c5267f40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 65%  8% 16%  1%  2%  3%  1%  2%  2%
[libx264 @ 0x5627c5267f40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 50% 20% 10%  3%  4%  5%  3%  4%  2%
[libx264 @ 0x5627c5267f40] i8c dc,h,v,p: 61% 10% 25%  4%
[libx264 @ 0x5627c5267f40] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x5627c5267f40] ref P L0: 72.6%  2.7% 18.0%  6.7%
[libx264 @ 0x5627c5267f40] ref B L0: 89.1%  9.4%  1.5%
[libx264 @ 0x5627c5267f40] ref B L1: 98.0%  2.0%
[libx264 @ 0x5627c5267f40] kb/s:1059.69
[aac @ 0x5627c51d25c0] Qavg: 46028.516
avideo@ubuntu:~$


    


  • ffmpeg aresample has no effect while it works in ffplay

    11 novembre 2020, par Lemon Sky

    I have a .ts file which is missing frames 20 seconds into the file. I'd like to fill the missing parts with silence. This works using the following command with ffplay :

    


    ffplay -i http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts -af aresample=async=1

    


    The same should work with ffmpeg but no silence is injected. Instead, the audio just continues playing. Example :

    


    ffmpeg -i http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts -af aresample=async=1 -f wav -acodec pcm_s16le -ac 2 - | ffplay -i -

    


    What am I doing wrong ?

    


    Log :

    


    >ffmpeg -y -nostats -loglevel trace -i http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts -af aresample=async=1 -f wav -acodec pcm_s16le -ac 2 out.wav
ffmpeg version 4.3.1-2020-11-08-full_build-www.gyan.dev Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 10.2.0 (Rev3, 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-lzma --enable-libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --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-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      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Splitting the commandline.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-nostats' ... matched as option 'stats' (print progress report during encoding) with argument 0.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'trace'.
Reading option '-i' ... matched as input url with argument 'http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts'.
Reading option '-af' ... matched as option 'af' (set audio filters) with argument 'aresample=async=1'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'wav'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'pcm_s16le'.
Reading option '-ac' ... matched as option 'ac' (set number of audio channels) with argument '2'.
Reading option 'out.wav' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option y (overwrite output files) with argument 1.
Applying option nostats (print progress report during encoding) with argument 0.
Applying option loglevel (set logging level) with argument trace.
Successfully parsed a group of options.
Parsing a group of options: input url http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts.
Successfully parsed a group of options.
Opening an input file: http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts.
[NULL @ 000001d0e7bbd200] Opening 'http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts' for reading
[http @ 000001d0e7bbe2c0] Setting default whitelist 'http,https,tls,rtp,tcp,udp,crypto,httpproxy,data'
[tcp @ 000001d0e7bc0d00] Original list of addresses:
[tcp @ 000001d0e7bc0d00] Address 144.2.127.86 port 80
[tcp @ 000001d0e7bc0d00] Interleaved list of addresses:
[tcp @ 000001d0e7bc0d00] Address 144.2.127.86 port 80
[tcp @ 000001d0e7bc0d00] Starting connection attempt to 144.2.127.86 port 80
[tcp @ 000001d0e7bc0d00] Successfully connected to 144.2.127.86 port 80
[http @ 000001d0e7bbe2c0] request: GET /KFYI-AM_2020-10-30_09-05-26.ts HTTP/1.1
User-Agent: Lavf/58.45.100
Accept: */*
Range: bytes=0-
Connection: close
Host: tyberis.com
Icy-MetaData: 1


[http @ 000001d0e7bbe2c0] header='HTTP/1.1 206 Partial Content'
[http @ 000001d0e7bbe2c0] http_code=206
[http @ 000001d0e7bbe2c0] header='Content-Type: video/vnd.dlna.mpeg-tts'
[http @ 000001d0e7bbe2c0] header='Last-Modified: Tue, 10 Nov 2020 19:12:18 GMT'
[http @ 000001d0e7bbe2c0] header='Accept-Ranges: bytes'
[http @ 000001d0e7bbe2c0] header='ETag: "7c6a9e6895b7d61:0"'
[http @ 000001d0e7bbe2c0] header='Server: Microsoft-IIS/10.0'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Origin: *'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization, Range'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Methods: GET,HEAD,OPTIONS,POST,PUT'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Credentials: true'
[http @ 000001d0e7bbe2c0] header='Date: Wed, 11 Nov 2020 15:52:32 GMT'
[http @ 000001d0e7bbe2c0] header='Connection: close'
[http @ 000001d0e7bbe2c0] header='Content-Length: 6531496'
[http @ 000001d0e7bbe2c0] header='Content-Range: bytes 0-6531495/6531496'
[http @ 000001d0e7bbe2c0] header=''
Probing mpegts score:50 size:2048
[mpegts @ 000001d0e7bbd200] Format mpegts probed with size=2048 and score=50
[mpegts @ 000001d0e7bbd200] Probe: 7648, score: 41, dvhs_score: -2, fec_score: -2
[mpegts @ 000001d0e7bbd200] Filter: pid=0x11 type=1
[mpegts @ 000001d0e7bbd200] Filter: pid=0x0 type=1
[mpegts @ 000001d0e7bbd200] Filter: pid=0x12 type=1
[mpegts @ 000001d0e7bbd200] SDT:
[mpegts @ 000001d0e7bbd200] tag: 0x48 len=18
[mpegts @ 000001d0e7bbd200] new_program: id=0x0001
[mpegts @ 000001d0e7bbd200] PAT:
[mpegts @ 000001d0e7bbd200] sid=0x1 pid=0x1000
[mpegts @ 000001d0e7bbd200] new_program: id=0x0001
[mpegts @ 000001d0e7bbd200] Filter: pid=0x1000 type=1
[mpegts @ 000001d0e7bbd200] PMT: len 21
[mpegts @ 000001d0e7bbd200] sid=0x1 sec_num=0/0 version=0 tid=2
[mpegts @ 000001d0e7bbd200] pcr_pid=0x100
[mpegts @ 000001d0e7bbd200] Filter: pid=0x100 type=0
[mpegts @ 000001d0e7bbd200] stream=0 stream_type=f pid=100 prog_reg_desc=
[mpegts @ 000001d0e7bbd200] tuning done
[mpegts @ 000001d0e7bbd200] Before avformat_find_stream_info() pos: 0 bytes read:7648 seeks:0 nb_streams:1
[mpegts @ 000001d0e7bbd200] Skipping after seek
[mpegts @ 000001d0e7bbd200] SDT:
[mpegts @ 000001d0e7bbd200] tag: 0x48 len=18
[mpegts @ 000001d0e7bbd200] new_program: id=0x0001
[mpegts @ 000001d0e7bbd200] PAT:
[mpegts @ 000001d0e7bbd200] sid=0x1 pid=0x1000
[mpegts @ 000001d0e7bbd200] new_program: id=0x0001
[mpegts @ 000001d0e7bbd200] PMT: len 21
[mpegts @ 000001d0e7bbd200] sid=0x1 sec_num=0/0 version=0 tid=2
[mpegts @ 000001d0e7bbd200] pcr_pid=0x100
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[mpegts @ 000001d0e7bbd200] probing stream 0 pp:2500
Probing aac score:51 size:2640
Probing flac score:13 size:2640
[mpegts @ 000001d0e7bbd200] Probe with size=2640, packets=1 detected aac with score=51
[mpegts @ 000001d0e7bbd200] probed stream 0
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
    Last message repeated 11 times
[mpegts @ 000001d0e7bbd200] max_analyze_duration 5000000 reached at 5014800 microseconds st:0
[tcp @ 000001d0e7c31480] Original list of addresses:
[tcp @ 000001d0e7c31480] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31480] Interleaved list of addresses:
[tcp @ 000001d0e7c31480] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31480] Starting connection attempt to 144.2.127.86 port 80
[tcp @ 000001d0e7c31480] Successfully connected to 144.2.127.86 port 80
[http @ 000001d0e7bbe2c0] request: GET /KFYI-AM_2020-10-30_09-05-26.ts HTTP/1.1
User-Agent: Lavf/58.45.100
Accept: */*
Range: bytes=6281496-
Connection: close
Host: tyberis.com
Icy-MetaData: 1


[http @ 000001d0e7bbe2c0] header='HTTP/1.1 206 Partial Content'
[http @ 000001d0e7bbe2c0] http_code=206
[http @ 000001d0e7bbe2c0] header='Content-Type: video/vnd.dlna.mpeg-tts'
[http @ 000001d0e7bbe2c0] header='Last-Modified: Tue, 10 Nov 2020 19:12:18 GMT'
[http @ 000001d0e7bbe2c0] header='Accept-Ranges: bytes'
[http @ 000001d0e7bbe2c0] header='ETag: "7c6a9e6895b7d61:0"'
[http @ 000001d0e7bbe2c0] header='Server: Microsoft-IIS/10.0'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Origin: *'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization, Range'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Methods: GET,HEAD,OPTIONS,POST,PUT'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Credentials: true'
[http @ 000001d0e7bbe2c0] header='Date: Wed, 11 Nov 2020 15:52:32 GMT'
[http @ 000001d0e7bbe2c0] header='Connection: close'
[http @ 000001d0e7bbe2c0] header='Content-Length: 250000'
[http @ 000001d0e7bbe2c0] header='Content-Range: bytes 6281496-6531495/6531496'
[http @ 000001d0e7bbe2c0] header=''
[mpegts @ 000001d0e7bbd200] Skipping after seek
[mpegts @ 000001d0e7bbd200] Probe: 763, score: 5, dvhs_score: 1, fec_score: 1
[mpegts @ 000001d0e7bbd200] Probe: 8192, score: 44, dvhs_score: -3, fec_score: -3
[tcp @ 000001d0e7c31580] Original list of addresses:
[tcp @ 000001d0e7c31580] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31580] Interleaved list of addresses:
[tcp @ 000001d0e7c31580] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31580] Starting connection attempt to 144.2.127.86 port 80
[tcp @ 000001d0e7c31580] Successfully connected to 144.2.127.86 port 80
[http @ 000001d0e7bbe2c0] request: GET /KFYI-AM_2020-10-30_09-05-26.ts HTTP/1.1
User-Agent: Lavf/58.45.100
Accept: */*
Range: bytes=6266023-
Connection: close
Host: tyberis.com
Icy-MetaData: 1


[http @ 000001d0e7bbe2c0] header='HTTP/1.1 206 Partial Content'
[http @ 000001d0e7bbe2c0] http_code=206
[http @ 000001d0e7bbe2c0] header='Content-Type: video/vnd.dlna.mpeg-tts'
[http @ 000001d0e7bbe2c0] header='Last-Modified: Tue, 10 Nov 2020 19:12:18 GMT'
[http @ 000001d0e7bbe2c0] header='Accept-Ranges: bytes'
[http @ 000001d0e7bbe2c0] header='ETag: "7c6a9e6895b7d61:0"'
[http @ 000001d0e7bbe2c0] header='Server: Microsoft-IIS/10.0'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Origin: *'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization, Range'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Methods: GET,HEAD,OPTIONS,POST,PUT'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Credentials: true'
[http @ 000001d0e7bbe2c0] header='Date: Wed, 11 Nov 2020 15:52:32 GMT'
[http @ 000001d0e7bbe2c0] header='Connection: close'
[http @ 000001d0e7bbe2c0] header='Content-Length: 265473'
[http @ 000001d0e7bbe2c0] header='Content-Range: bytes 6266023-6531495/6531496'
[http @ 000001d0e7bbe2c0] header=''
[tcp @ 000001d0e7c31480] Original list of addresses:
[tcp @ 000001d0e7c31480] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31480] Interleaved list of addresses:
[tcp @ 000001d0e7c31480] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31480] Starting connection attempt to 144.2.127.86 port 80
[tcp @ 000001d0e7c31480] Successfully connected to 144.2.127.86 port 80
[http @ 000001d0e7bbe2c0] request: GET /KFYI-AM_2020-10-30_09-05-26.ts HTTP/1.1
User-Agent: Lavf/58.45.100
Accept: */*
Range: bytes=6281644-
Connection: close
Host: tyberis.com
Icy-MetaData: 1


[http @ 000001d0e7bbe2c0] header='HTTP/1.1 206 Partial Content'
[http @ 000001d0e7bbe2c0] http_code=206
[http @ 000001d0e7bbe2c0] header='Content-Type: video/vnd.dlna.mpeg-tts'
[http @ 000001d0e7bbe2c0] header='Last-Modified: Tue, 10 Nov 2020 19:12:18 GMT'
[http @ 000001d0e7bbe2c0] header='Accept-Ranges: bytes'
[http @ 000001d0e7bbe2c0] header='ETag: "7c6a9e6895b7d61:0"'
[http @ 000001d0e7bbe2c0] header='Server: Microsoft-IIS/10.0'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Origin: *'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization, Range'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Methods: GET,HEAD,OPTIONS,POST,PUT'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Credentials: true'
[http @ 000001d0e7bbe2c0] header='Date: Wed, 11 Nov 2020 15:52:33 GMT'
[http @ 000001d0e7bbe2c0] header='Connection: close'
[http @ 000001d0e7bbe2c0] header='Content-Length: 249852'
[http @ 000001d0e7bbe2c0] header='Content-Range: bytes 6281644-6531495/6531496'
[http @ 000001d0e7bbe2c0] header=''
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
    Last message repeated 88 times
[tcp @ 000001d0e7c31580] Original list of addresses:
[tcp @ 000001d0e7c31580] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31580] Interleaved list of addresses:
[tcp @ 000001d0e7c31580] Address 144.2.127.86 port 80
[tcp @ 000001d0e7c31580] Starting connection attempt to 144.2.127.86 port 80
[tcp @ 000001d0e7c31580] Successfully connected to 144.2.127.86 port 80
[http @ 000001d0e7bbe2c0] request: GET /KFYI-AM_2020-10-30_09-05-26.ts HTTP/1.1
User-Agent: Lavf/58.45.100
Accept: */*
Range: bytes=0-
Connection: close
Host: tyberis.com
Icy-MetaData: 1


[http @ 000001d0e7bbe2c0] header='HTTP/1.1 206 Partial Content'
[http @ 000001d0e7bbe2c0] http_code=206
[http @ 000001d0e7bbe2c0] header='Content-Type: video/vnd.dlna.mpeg-tts'
[http @ 000001d0e7bbe2c0] header='Last-Modified: Tue, 10 Nov 2020 19:12:18 GMT'
[http @ 000001d0e7bbe2c0] header='Accept-Ranges: bytes'
[http @ 000001d0e7bbe2c0] header='ETag: "7c6a9e6895b7d61:0"'
[http @ 000001d0e7bbe2c0] header='Server: Microsoft-IIS/10.0'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Origin: *'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization, Range'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Methods: GET,HEAD,OPTIONS,POST,PUT'
[http @ 000001d0e7bbe2c0] header='Access-Control-Allow-Credentials: true'
[http @ 000001d0e7bbe2c0] header='Date: Wed, 11 Nov 2020 15:52:33 GMT'
[http @ 000001d0e7bbe2c0] header='Connection: close'
[http @ 000001d0e7bbe2c0] header='Content-Length: 6531496'
[http @ 000001d0e7bbe2c0] header='Content-Range: bytes 0-6531495/6531496'
[http @ 000001d0e7bbe2c0] header=''
[mpegts @ 000001d0e7bbd200] stream 0: start_time: 1.4 duration: 1097.98
[mpegts @ 000001d0e7bbd200] format: start_time: 1.4 duration: 1097.98 (estimate from pts) bitrate=47 kb/s
[mpegts @ 000001d0e7bbd200] After avformat_find_stream_info() pos: 0 bytes read:329238 seeks:3 frames:117
Input #0, mpegts, from 'http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts':
  Duration: 00:18:17.98, start: 1.400000, bitrate: 47 kb/s
  Program 1
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100], 117, 1/90000: Audio: aac (HE-AACv2) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp, 45 kb/s
Successfully opened the file.
Parsing a group of options: output url out.wav.
Applying option af (set audio filters) with argument aresample=async=1.
Applying option f (force format) with argument wav.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument pcm_s16le.
Applying option ac (set number of audio channels) with argument 2.
Successfully parsed a group of options.
Opening an output file: out.wav.
[file @ 000001d0e7c06200] Setting default whitelist 'file,crypto,data'
Successfully opened the file.
Stream mapping:
  Stream #0:0 -> #0:0 (aac (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[mpegts @ 000001d0e7bbd200] Skipping after seek
[mpegts @ 000001d0e7bbd200] SDT:
[mpegts @ 000001d0e7bbd200] tag: 0x48 len=18
[mpegts @ 000001d0e7bbd200] new_program: id=0x0001
[mpegts @ 000001d0e7bbd200] PAT:
[mpegts @ 000001d0e7bbd200] sid=0x1 pid=0x1000
[mpegts @ 000001d0e7bbd200] new_program: id=0x0001
[mpegts @ 000001d0e7bbd200] PMT: len 21
[mpegts @ 000001d0e7bbd200] sid=0x1 sec_num=0/0 version=0 tid=2
[mpegts @ 000001d0e7bbd200] pcr_pid=0x100
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
detected 4 logical cores
[Parsed_aresample_0 @ 000001d0e7be5e80] Setting 'async' to value '1'
[graph_0_in_0_0 @ 000001d0e7beeac0] Setting 'time_base' to value '1/44100'
[graph_0_in_0_0 @ 000001d0e7beeac0] Setting 'sample_rate' to value '44100'
[graph_0_in_0_0 @ 000001d0e7beeac0] Setting 'sample_fmt' to value 'fltp'
[graph_0_in_0_0 @ 000001d0e7beeac0] Setting 'channel_layout' to value '0x3'
[graph_0_in_0_0 @ 000001d0e7beeac0] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_0_0 @ 000001d0e7bf0080] Setting 'sample_fmts' to value 's16'
[format_out_0_0 @ 000001d0e7bf0080] Setting 'channel_layouts' to value '0x3'
[AVFilterGraph @ 000001d0e7be6540] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed
[Parsed_aresample_0 @ 000001d0e7be5e80] [SWR @ 000001d0e81bb8c0] Using fltp internally between filters
[Parsed_aresample_0 @ 000001d0e7be5e80] ch:2 chl:stereo fmt:fltp r:44100Hz -> ch:2 chl:stereo fmt:s16 r:44100Hz
Output #0, wav, to 'out.wav':
  Metadata:
    ISFT            : Lavf58.45.100
    Stream #0:0, 0, 1/44100: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16, 1411 kb/s
    Metadata:
      encoder         : Lavc58.91.100 pcm_s16le
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 7 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
(...)
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 4 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
timestamp discontinuity for stream #0:0 (id=256, type=audio): 69892061, new offset= -71292061
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
[aac @ 000001d0e7c0ed80] illegal icc
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 7 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
[mpegts @ 000001d0e7bbd200] pid=100 pes_code=0x1c0
[aac @ 000001d0e7c0ed80] ChannelElement 1.0 missing
    Last message repeated 9 times
(...)
size=    5000kB time=00:00:29.02 bitrate=1411.2kbits/s speed=6.11x
video:0kB audio:5000kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.001523%
Input file #0 (http://tyberis.com/KFYI-AM_2020-10-30_09-05-26.ts):
  Input stream #0:0 (audio): 625 packets read (174267 bytes); 625 frames decoded (1280000 samples);
  Total: 625 packets (174267 bytes) demuxed
Output file #0 (out.wav):
  Output stream #0:0 (audio): 625 frames encoded (1280000 samples); 625 packets muxed (5120000 bytes);
  Total: 625 packets (5120000 bytes) muxed
625 frames successfully decoded, 0 decoding errors
[AVIOContext @ 000001d0e7c2e280] Statistics: 4 seeks, 22 writeouts
[AVIOContext @ 000001d0e7bc9780] Statistics: 533494 bytes read, 3 seeks```


    


  • File (mp3) concatenation issues using FFmpeg

    17 novembre 2020, par Giorgio Robino

    I want to concatenate some MP3 files using the FFmpeg concatenation protocol.

    


    Here is a successful try :

    


    $ ffmpeg -loglevel panic -i "concat:audio/it/ci.mp3|audio/it/èsse.mp3|audio/it/cu.mp3|audio/it/u.mp3|audio/it/tre.mp3|audio/it/zero.mp3|audio/it/cinque.mp3|audio/it/quattro.mp3|audio/it/tre.mp3|audio/it/otto.mp3|audio/it/tre.mp3" -c copy audio/it/CSQU3054383.mp3 -y

$ ll audio/it/CSQU3054383.mp3
-rw-rw-r-- 1 giorgio 26K Nov  9 16:16 audio/it/CSQU3054383.mp3


    


    So far, all is OK !

    


    BTW, all (Mp3) files have the same codecs, so MP3 FFmpeg concatenation protocol runs as expected !

    


    


    Now, I want to insert a pause file audio/it/PAUSE_2.mp3, between each previous files :

    


    $ ffmpeg -loglevel panic -i "concat:audio/it/ci.mp3|audio/it/PAUSE_2.mp3|audio/it/èsse.mp3|audio/it/PAUSE_2.mp3|audio/it/cu.mp3|audio/it/PAUSE_2.mp3|audio/it/u.mp3|audio/it/PAUSE_2.mp3|audio/it/tre.mp3|audio/it/PAUSE_2.mp3|audio/it/zero.mp3|audio/it/PAUSE_2.mp3|audio/it/cinque.mp3|audio/it/PAUSE_2.mp3|audio/it/quattro.mp3|audio/it/PAUSE_2.mp3|audio/it/tre.mp3|audio/it/PAUSE_2.mp3|audio/it/otto.mp3|audio/it/PAUSE_2.mp3|audio/it/tre.mp3" -c copy audio/it/CSQU3054383.mp3 -y
$


    


    This command run apparently without any error, but the output file (audio/it/CSQU3054383.mp3) is not generated at all.

    


    **Question 1 (minor) :

    


    Why doesn't FFmpeg report any error and doesn't generate the expected output ?**

    


    In fact, I already experienced that FFmpeg, in some circumstances, fails without saying why :(

    


    


    I suspect the problem happens because the file audio/it/PAUSE_2.mp3 doesn't have a constant bit rate (CBR), as other files, e.g. :

    


    $ mediainfo  audio/it/ci.mp3
General
Complete name                            : audio/it/ci.mp3
Format                                   : MPEG Audio
File size                                : 2.06 KiB
Duration                                 : 528 ms
Overall bit rate mode                    : Constant
Overall bit rate                         : 32.0 kb/s

Audio
Format                                   : MPEG Audio
Format version                           : Version 2
Format profile                           : Layer 3
Duration                                 : 528 ms
Bit rate mode                            : Constant
Bit rate                                 : 32.0 kb/s
Channel(s)                               : 1 channel
Sampling rate                            : 24.0 kHz
Frame rate                               : 41.667 FPS (576 SPF)
Compression mode                         : Lossy
Stream size                              : 2.06 KiB (100%)

$ ffprobe audio/it/ci.mp3
ffprobe version 3.4.8-0ubuntu0.2 Copyright (c) 2007-2020 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
  configuration: --prefix=/usr --extra-version=0ubuntu0.2 --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
  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
[mp3 @ 0x564491288080] Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from 'audio/it/ci.mp3':
  Duration: 00:00:00.53, start: 0.000000, bitrate: 32 kb/s
    Stream #0:0: Audio: mp3, 24000 Hz, mono, s16p, 32 kb/s



    


    Instead, the inserted pause file has a variable bit rate, as mediainfo states :

    


    $ mediainfo audio/it/PAUSE_2.mp3
General
Complete name                            : audio/it/PAUSE_2.mp3
Format                                   : MPEG Audio
File size                                : 8.29 KiB
Overall bit rate mode                    : Variable
Writing library                          : LAME3.100

Audio
Format                                   : MPEG Audio
Format version                           : Version 2
Format profile                           : Layer 3
Bit rate mode                            : Variable
Channel(s)                               : 1 channel
Sampling rate                            : 24.0 kHz
Compression mode                         : Lossy
Stream size                              : 8.06 KiB (97%)
Writing library                          : LAME3.100


    


    Here my Bash script I used to generate the pause :

    


    $ cat com/pause&#xA;#!/bin/bash&#xA;&#xA;# https://ffmpeg.org/ffmpeg-filters.html#toc-anullsrc&#xA;# https://ffmpeg.org/ffmpeg-utils.html#toc-Examples-1&#xA;&#xA;if [ $# -eq 0 ]&#xA;  then&#xA;    echo&#xA;    echo "create a pause, a silence audio file (MP3) of specified number of milliseconds"&#xA;    echo&#xA;    echo "usage: $0 <time duration="duration"> <directory path="path">"&#xA;    echo&#xA;    echo "example: $0 2"&#xA;    echo "example: $0 0.5 tmp/"&#xA;    echo&#xA;    exit&#xA;fi&#xA;&#xA;timeDuration=$1&#xA;directoryPath=$2&#xA;&#xA;suffix=mp3&#xA;&#xA;# https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate&#xA;#https://trac.ffmpeg.org/wiki/Encode/MP3&#xA;bitrate=32k&#xA;samplingRate=24000&#xA;outputFile="${directoryPath}PAUSE_${timeDuration}.${suffix}"&#xA;&#xA;  #-b:a $bitrate -minrate $bitrate -maxrate $bitrate -bufsize $bitrate \&#xA;ffmpeg \&#xA;  -f lavfi \&#xA;  -i anullsrc=r=$samplingRate:cl=mono \&#xA;  -t $timeDuration \&#xA;  -b:a $bitrate -minrate $bitrate -maxrate $bitrate \&#xA;  -codec:a libmp3lame \&#xA;  $outputFile -y&#xA;&#xA;echo&#xA;echo "created file: $outputFile"&#xA;echo&#xA;&#xA;</directory></time>

    &#xA;

    Unfortunately, the created file seems with a variable bit rate and not with a constant bit rate (CBR), as expected ( -b:a ... ) :

    &#xA;

    $ com/pause 2&#xA;ffmpeg version 3.4.8-0ubuntu0.2 Copyright (c) 2000-2020 the FFmpeg developers&#xA;  built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)&#xA;  configuration: --prefix=/usr --extra-version=0ubuntu0.2 --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&#xA;  libavutil      55. 78.100 / 55. 78.100&#xA;  libavcodec     57.107.100 / 57.107.100&#xA;  libavformat    57. 83.100 / 57. 83.100&#xA;  libavdevice    57. 10.100 / 57. 10.100&#xA;  libavfilter     6.107.100 /  6.107.100&#xA;  libavresample   3.  7.  0 /  3.  7.  0&#xA;  libswscale      4.  8.100 /  4.  8.100&#xA;  libswresample   2.  9.100 /  2.  9.100&#xA;  libpostproc    54.  7.100 / 54.  7.100&#xA;Input #0, lavfi, from &#x27;anullsrc=r=24000:cl=mono&#x27;:&#xA;  Duration: N/A, start: 0.000000, bitrate: 192 kb/s&#xA;    Stream #0:0: Audio: pcm_u8, 24000 Hz, mono, u8, 192 kb/s&#xA;Stream mapping:&#xA;  Stream #0:0 -> #0:0 (pcm_u8 (native) -> mp3 (libmp3lame))&#xA;Press [q] to stop, [?] for help&#xA;Output #0, mp3, to &#x27;PAUSE_2.mp3&#x27;:&#xA;  Metadata:&#xA;    TSSE            : Lavf57.83.100&#xA;    Stream #0:0: Audio: mp3 (libmp3lame), 24000 Hz, mono, s16p, 32 kb/s&#xA;    Metadata:&#xA;      encoder         : Lavc57.107.100 libmp3lame&#xA;size=       8kB time=00:00:02.01 bitrate=  33.7kbits/s speed= 192x&#xA;video:0kB audio:8kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.870640%&#xA;&#xA;created file: PAUSE_2.mp3&#xA;

    &#xA;

    Question 2 :

    &#xA;

    What's wrong in my Bash script (why doesn't it generate a CBR file ?&#xA;How can I generate an silence pause file (silence of N milliseconds) with the exact settings of previous files ?

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