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• Merging two mp4 videos using ffmpeg

  12 novembre 2018, par kristian zivkovic

  I want to concatenate two mp4 videos using ffmpeg and i am a newbie in this area. I have tried to concat them using several commands and one of them is like this :

  ffmpeg -i "jingle.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts "out/jingle.ts"
  
  ffmpeg -i "logo_jingle.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts "out/camera_video.ts"
  
  
  
  ffmpeg -i "concat:out/camera_video.ts|out/jingle.ts" -bsf:a aac_adtstoasc -vcodec output.mp4

  The result is that the second video last for a minute and it shows only black screen and it actually lasts 5 seconds. I also noticed that videos have different parameters so i tried to harmonize some of the parameters but with that the second video is showing but without sound and still lasts a minute.
  Here are the video parameters.
  First :

  ffmpeg version 2.8.15-0ubuntu0.16.04.1 Copyright (c) 2000-2018 the FFmpeg          developers
  
    built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
  
    configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-     suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu  --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl  --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable- decoder=libschroedinger --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-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --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-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable- libopencv
  
   libavutil      54. 31.100 / 54. 31.100
  
   libavcodec     56. 60.100 / 56. 60.100
  
   libavformat    56. 40.101 / 56. 40.101
  
   libavdevice    56.  4.100 / 56.  4.100
  
   libavfilter     5. 40.101 /  5. 40.101
  
   libavresample   2.  1.  0 /  2.  1.  0
  
   libswscale      3.  1.101 /  3.  1.101
  
   libswresample   1.  2.101 /  1.  2.101
  
   libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'gajba-1.mp4':
  
   Metadata:
  
  major_brand     : isom
  
  minor_version   : 512
  
  compatible_brands: isomiso2avc1mp41
  
  encoder         : Lavf56.40.101
  
    Duration: 00:00:24.32, start: 0.000000, bitrate: 1557 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,   1280x720 [SAR 1:1 DAR 16:9], 1479 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
  
  Metadata:
  
    handler_name    : VideoHandler
  
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 16000 Hz, mono, fltp, 87 kb/s (default)
  
  Metadata:
  
    handler_name    : SoundHandler

  Second :

  ffmpeg version 2.8.15-0ubuntu0.16.04.1 Copyright (c) 2000-2018 the FFmpeg  developers
  
    built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
  
    configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build- suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --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- libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --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-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
  
    libavutil      54. 31.100 / 54. 31.100
  
    libavcodec     56. 60.100 / 56. 60.100
  
    libavformat    56. 40.101 / 56. 40.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 40.101 /  5. 40.101
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  2.101 /  1.  2.101
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'logo_jingle.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42mp41
  
      creation_time   : 2017-03-02 00:49:10
  
    Duration: 00:00:05.44, start: 0.000000, bitrate: 5689 kb/s
  
      Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv),   1280x720 [SAR 1:1 DAR 16:9], 5475 kb/s, 25 fps, 25 tbr, 50k tbn, 50 tbc (default)
  
  Metadata:
  
    creation_time   : 2017-03-02 00:49:10
  
    handler_name    : Alias Data Handler
  
    encoder         : AVC Coding
  
  Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s (default)
  
  Metadata:
  
    creation_time   : 2017-03-02 00:49:10
  
    handler_name    : Alias Data Handler

  Can you tell me how to harmonize these videos and merge them in this particular example ?
  Thank you !

• ffmpeg : "Referenced QT chapter track not found"

  29 avril 2019, par Ze'ev

  Using ffmpeg to replace audio in a QuickTime with audio from a WAV.

  Anyone know why I’m getting Referenced QT chapter track not found ?

  Command :

  $ ffmpeg \
-i "$video" -t 25 \
-i "$audio" -map 0:v -c:v copy -map 1:a -c:a pcm_s24le -ar 48000 \
-hide_banner "$output"

  Output :

  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7faf62010600] Referenced QT chapter track not found
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mov':
  
    Metadata:
  
      major_brand     : qt
  
      minor_version   : 537199360
  
      compatible_brands: qt
  
      creation_time   : 2018-11-06T09:27:43.000000Z
  
    Duration: 00:00:25.00, start: 0.000000, bitrate: 186987 kb/s
  
      Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(bt709, progressive), 1920x1080, 185115 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 25 tbc (default)
  
      Metadata:
  
        creation_time   : 2018-11-06T09:27:43.000000Z
  
        handler_name    : Apple Alias Data Handler
  
        encoder         : Apple ProRes 422 (HQ)
  
        timecode        : 00:00:00:00
  
      Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default)
  
      Metadata:
  
        creation_time   : 2018-11-06T09:27:43.000000Z
  
        handler_name    : Apple Alias Data Handler
  
        timecode        : 00:00:00:00
  
      Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
  
      Metadata:
  
        creation_time   : 2018-11-06T09:27:43.000000Z
  
        handler_name    : Apple Alias Data Handler
  
        timecode        : 00:00:00:00
  
  Guessed Channel Layout for Input Stream #1.0 : stereo
  
  Input #1, wav, from 'audio.wav':
  
    Metadata:
  
      encoded_by      : Pro Tools
  
      originator_reference: aaOpKJaTN7Nk
  
      date            : 2018-11-08
  
      creation_time   : 13:53:50
  
      time_reference  : 166698000
  
    Duration: 00:00:25.00, bitrate: 2128 kb/s
  
      Stream #1:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s32 (24 bit), 2116 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #1:0 -> #0:1 (pcm_s24le (native) -> pcm_s24le (native))
  
  Press [q] to stop, [?] for help
  
  Output #0, mov, to 'test19.mov':
  
    Metadata:
  
      major_brand     : qt
  
      minor_version   : 537199360
  
      compatible_brands: qt
  
      encoder         : Lavf58.12.100
  
      Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 185115 kb/s, 0.04 fps, 25 tbr, 12800 tbn, 25 tbc (default)
  
      Metadata:
  
        creation_time   : 2018-11-06T09:27:43.000000Z
  
        handler_name    : Apple Alias Data Handler
  
        encoder         : Apple ProRes 422 (HQ)
  
        timecode        : 00:00:00:00
  
      Stream #0:1: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, stereo, s32 (24 bit), 2304 kb/s
  
      Metadata:
  
        encoder         : Lavc58.18.100 pcm_s24le
  
  frame=  625 fps=277 q=-1.0 Lsize=  566343kB time=00:00:24.96 bitrate=185876.0kbits/s speed=11.1x
  
  video:564928kB audio:1406kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.001496%

  Same error with -map 0:v:0

• ffmpeg get orientation inverted

  16 novembre 2018, par Faabass

  I getting the resolution for a video, but ffmpeg/ffprobe is getting inverted.. Always the biggest number is the width.

  I mean, it doesn’t matter if I’m getting the resolution of a vertical or horizontal video, I’m always getting for example 640x480 when it should be 480x640. Also I tried with the aspect ratio as 4:3 instead of 3:4

  ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=p=0 original.mp4

  So my question is how I can get the right resolution or at least the orientation I need to know if the video is horizontal or vertical.

  See full response :

  ffprobe -select_streams v:0 -show_entries stream=width,height -of csv=p=0 original.mp4
  
  ffprobe version N-86781-gd8f1982639-static http://johnvansickle.com/ffmpeg/  Copyright (c) 2007-2017 the FFmpeg developers
  
    built with gcc 5.4.1 (Debian 5.4.1-11) 20170519
  
    configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc-5 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gray --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libzimg
  
    libavutil      55. 67.100 / 55. 67.100
  
    libavcodec     57.100.104 / 57.100.104
  
    libavformat    57. 75.100 / 57. 75.100
  
    libavdevice    57.  7.100 / 57.  7.100
  
    libavfilter     6. 95.100 /  6. 95.100
  
    libswscale      4.  7.101 /  4.  7.101
  
    libswresample   2.  8.100 /  2.  8.100
  
    libpostproc    54.  6.100 / 54.  6.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x4ff7e60] sample aspect ratio already set to 1:1, ignoring 'pasp' atom (65536:65536)
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'original.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: isommp42
  
      creation_time   : 2018-11-12T22:15:04.000000Z
  
      com.android.version: 7.0
  
    Duration: 00:01:10.30, start: 0.000000, bitrate: 9497 kb/s
  
      Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m/bt470bg/smpte170m), 1280x720, 9365 kb/s, SAR 1:1 DAR 16:9, 23.97 fps, 24 tbr, 90k tbn, 180k tbc (default)
  
      Metadata:
  
        rotate          : 270
  
        creation_time   : 2018-11-12T22:15:04.000000Z
  
        handler_name    : VideoHandle
  
      Side data:
  
        displaymatrix: rotation of 90.00 degrees
  
      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        creation_time   : 2018-11-12T22:15:04.000000Z
  
        handler_name    : SoundHandle
  
  1280,720

  but this is the appearance of the video