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• ffmpeg usage to encode a video to H264 codec format

  2 avril 2024, par goldenmean

  I have a *.mp4 video file(MPEG4 video codec) and I am trying to convert this to a H264 video codec format(raw h.264 format) using ffmpeg on Linux(Version - FFmpeg version SVN-r0.5.1-4:0.5.1-1ubuntu1, Copyright (c) 2000-2009 Fabrice Bellard,) using command line as shown below,

  



  ffmpeg -i input .mp4 output.h264 


  



  but I get an error saying -

  



  Unsupported codec for output stream #0.0


  



  Then when i try this option :

  



  ffmpeg -i input .mp4 -formats h264 output.h264 


  



  it still does not work, and gives -

  



  Seems stream 0 codec frame rate differs from container frame rate: 59.94 (5994/100) -> 29.97 (30000/1001)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Rapture.mp4':
  Duration: 00:02:06.44, start: 0.000000, bitrate: 26574 kb/s
    Stream #0.0(eng): Video: h264, yuv420p, 1920x1080, 29.97 tbr, 29.97 tbn, 59.94 tbc
    Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16


  



  And then it prints out help on the formats which we get when we do ffmpeg -formats

  



  When I checked the help, ffmpeg -formats, I see below information related to H264 file format and codec :

  



  File format : 

DE h264            raw H.264 video format

Codecs:

D V D  h264         H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10


  



  My questions :

  



  


  1. How can I convert the video to a H264 encoded video (raw H264 video format)

  


  2. When I do ffmpeg -formats, I see many acronyms for the codecs supported, I see many acronyms before the codec name/type such as - D V D S E A, what do they stand for ?

  


  3. How to use the ffmpeg options -vcodec and -formats ?

  


  


• How to install libx265 for ffmpeg on Mac OSX

  20 octobre 2019, par Spencer

  I have tried multiple guides here (search for "Building libx265") and here with no success. Both times I made sure I uninstalled ffmpeg first, went through the guides, then ran

  brew install ffmpeg --with-fdk-aac --with-freetype --with-libass --with-libvpx --enable-libx265

  No matter what when I go to run a command like

  ffmpeg -i source.mkv -c:v libx265 test1.mkv

  I get the error :

  Unknown encoder 'libx265'

  Has anyone had success building libx265 for use with ffmpeg on OSX and can you please share how you did it ?

  P.S. I am running OSX 10.11.3

• ffmpeg doesn't recognize Quicktime DV codec

  8 août 2017, par 3pointedit

  I have had success with excellent advice, on a Mac OSX10.5, converting a modified MXF media structure to h264 while retaining multitrack audio. But I cannot get ffmpeg to work in Windows environment.

  See this page.

  Here’s the result of latest failure-

  Microsoft Windows [Version 6.1.7601]
  
  Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
  
  
  
  F:\>h:
  
  
  
  H:\>cd conversion folder
  
  
  
  
  
  H:\Conversion folder>ffmpeg ffmpeg -report -enable_drefs 1 -use_absolute_path 1
  
  -i fdb9_AerialsEagleFarm_0610.mov -map 0:v -map 0:a -write_tmcd 1 fd9_AerialsEag
  
  leFarm_A0609.mp4
  
  ffmpeg started on 2017-08-08 at 15:01:24
  
  Report written to "ffmpeg-20170808-150124.log"
  
  ffmpeg version N-86950-g1bef008 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 7.1.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --e
  
  nable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --
  
  enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv
  
  --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-li
  
  bfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug -
  
  -enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enabl
  
  e-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-li
  
  bsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolam
  
  e --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
  
   --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable
  
  -libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  
    libavutil      55. 70.100 / 55. 70.100
  
    libavcodec     57.102.100 / 57.102.100
  
    libavformat    57. 76.100 / 57. 76.100
  
    libavdevice    57.  7.100 / 57.  7.100
  
    libavfilter     6. 98.100 /  6. 98.100
  
    libswscale      4.  7.102 /  4.  7.102
  
    libswresample   2.  8.100 /  2.  8.100
  
    libpostproc    54.  6.100 / 54.  6.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'video.vid' for reading
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 0, error opening alias: path
  
  ='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/video.vid', dir='fdb
  
  9_AerialsEagleFarm_0610.vmf', filename='video.vid', volume='default', nlvl_from=
  
  1, nlvl_to=1
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_0.pcm' for reading
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 1, error opening alias: path
  
  ='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_0.pcm', dir='f
  
  db9_AerialsEagleFarm_0610.vmf', filename='audio_0.pcm', volume='default', nlvl_f
  
  rom=1, nlvl_to=1
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_1.pcm' for reading
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 2, error opening alias: path
  
  ='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_1.pcm', dir='f
  
  db9_AerialsEagleFarm_0610.vmf', filename='audio_1.pcm', volume='default', nlvl_f
  
  rom=1, nlvl_to=1
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_2.pcm' for reading
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 3, error opening alias: path
  
  ='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_2.pcm', dir='f
  
  db9_AerialsEagleFarm_0610.vmf', filename='audio_2.pcm', volume='default', nlvl_f
  
  rom=1, nlvl_to=1
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Opening 'audio_3.pcm' for reading
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] stream 4, error opening alias: path
  
  ='/VibrintAVFiles/Xchange In/fdb9_AerialsEagleFarm_0610.vmf/audio_3.pcm', dir='f
  
  db9_AerialsEagleFarm_0610.vmf', filename='audio_3.pcm', volume='default', nlvl_f
  
  rom=1, nlvl_to=1
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000005c99a0] Could not find codec parameters for
  
   stream 0 (Video: dvvideo (dvpp / 0x70707664), none, 720x576, 28800 kb/s): unspe
  
  cified pixel format
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  Guessed Channel Layout for Input Stream #0.1 : mono
  
  Guessed Channel Layout for Input Stream #0.2 : mono
  
  Guessed Channel Layout for Input Stream #0.3 : mono
  
  Guessed Channel Layout for Input Stream #0.4 : mono
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'fdb9_AerialsEagleFarm_0610.mov':
  
    Metadata:
  
      creation_time   : 2016-10-06T07:01:58.000000Z
  
    Duration: 00:12:43.90, start: 0.000000, bitrate: 1 kb/s
  
      Stream #0:0(eng): Video: dvvideo (dvpp / 0x70707664), none, 720x576, 28800 k
  
  b/s, SAR 118:81 DAR 295:162, 25 fps, 25 tbr, 2500 tbn, 2500 tbc (default)
  
      Metadata:
  
        creation_time   : 2016-10-06T07:01:58.000000Z
  
        handler_name    : Apple Alias Data Handler
  
        timecode        : 01:17:27:12
  
      Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
  
   768 kb/s (default)
  
      Metadata:
  
        creation_time   : 2016-10-06T07:01:58.000000Z
  
        handler_name    : Apple Alias Data Handler
  
      Stream #0:2(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
  
   768 kb/s (default)
  
      Metadata:
  
        creation_time   : 2016-10-06T07:01:58.000000Z
  
        handler_name    : Apple Alias Data Handler
  
      Stream #0:3(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
  
   768 kb/s (default)
  
      Metadata:
  
        creation_time   : 2016-10-06T07:01:58.000000Z
  
        handler_name    : Apple Alias Data Handler
  
      Stream #0:4(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, mono, s16,
  
   768 kb/s (default)
  
      Metadata:
  
        creation_time   : 2016-10-06T07:01:58.000000Z
  
        handler_name    : Apple Alias Data Handler
  
      Stream #0:5(eng): Data: none (tmcd / 0x64636D74) (default)
  
      Metadata:
  
        creation_time   : 2016-10-06T07:01:58.000000Z
  
        handler_name    : Apple Handle Data Handler
  
        timecode        : 01:17:27:12
  
  [NULL @ 00000000005cad20] Unable to find a suitable output format for 'ffmpeg'
  
  ffmpeg: Invalid argument

  And a screen grab of file structure (although I’m using an alias for target)