[FFmpeg-user] Test if ProRes 4444 are real 12bit

Christoph Gerstbauer christophgerstbauer at gmail.com
Mon Jan 26 09:53:52 CET 2015


Am 25.01.2015 um 19:53 schrieb Carl Eugen Hoyos:
> Christoph Gerstbauer <christophgerstbauer <at> gmail.com> writes:
>
>> The interesting thing about this is:
>>
>> If I give ffmpeg the option to interpret the file as PRORES
>> it can be opened.
>>
>> ffmpeg -vcodec prores -i inputfile .....
> What happens if you don't specify -vcodec proves?
>
> Carl Eugen

Hello Carl

this happens if I dont specify the codec:

C:\Users\gersti>ffmpeg -i 
C:\Users\gersti\Desktop\P001C015_140612_R33F_12bit.mov
ffmpeg version N-64919-ga613257 Copyright (c) 2000-2014 the FFmpeg 
developers
   built on Jul 23 2014 00:35:22 with gcc 4.8.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads 
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r 
--enable-gnutls --enable-iconv --enable-libass --enable-libblu
ray --enable-libbs2b --enable-libcaca --enable-libfreetype 
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug 
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp 
--enable-libschroedinger --enable-libsoxr --enable-libspeex 
--enable-libtheora --enable-libtwolame --enable-libvidstab 
--enable-libvo-aacenc --
enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx 
--enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 
--enable-libxavs --enable-libxvid --enable-decklink --enable-zlib
   libavutil      52. 92.101 / 52. 92.101
   libavcodec     55. 69.100 / 55. 69.100
   libavformat    55. 48.101 / 55. 48.101
   libavdevice    55. 13.102 / 55. 13.102
   libavfilter     4. 11.102 /  4. 11.102
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 00000000003a0980] Could not find codec 
parameters for stream 0 (Video: none (ap4x / 0x78347061), 1920x1080, 
413835 kb/s): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' 
options
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 
'C:\Users\gersti\Desktop\P001C015_140612_R33F_12bit.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt  ARRI
     creation_time   : 2014-06-12 06:33:30
     timecode        : 08:38:38:12
   Duration: 00:00:05.71, start: 0.000000, bitrate: 576982 kb/s
     Stream #0:0(eng): Video: none (ap4x / 0x78347061), 1920x1080, 
413835 kb/s, SAR 1:1 DAR 16:9, 24 fps, 24 tbr, 24 tbn, 24 tbc (default)
     Metadata:
       creation_time   : 2014-06-12 06:33:30
       handler_name    : Apple Alias Data Handler
       encoder         : Apple ProRes 4444 XQ??
     Stream #0:1(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
     Metadata:
       creation_time   : 2014-06-12 06:33:30
       handler_name    : Apple Alias Data Handler
       timecode        : 08:38:38:12
At least one output file must be specified


And this if I specify the codec:

C:\Users\gersti>ffmpeg -vcodec prores -i 
C:\Users\gersti\Desktop\P001C015_140612_R33F_12bit.mov
ffmpeg version N-64919-ga613257 Copyright (c) 2000-2014 the FFmpeg 
developers
   built on Jul 23 2014 00:35:22 with gcc 4.8.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads 
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r 
--enable-gnutls --enable-iconv --enable-libass --enable-libblu
ray --enable-libbs2b --enable-libcaca --enable-libfreetype 
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug 
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp 
--enable-libschroedinger --enable-libsoxr --enable-libspeex 
--enable-libtheora --enable-libtwolame --enable-libvidstab 
--enable-libvo-aacenc --
enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx 
--enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 
--enable-libxavs --enable-libxvid --enable-decklink --enable-zlib
   libavutil      52. 92.101 / 52. 92.101
   libavcodec     55. 69.100 / 55. 69.100
   libavformat    55. 48.101 / 55. 48.101
   libavdevice    55. 13.102 / 55. 13.102
   libavfilter     4. 11.102 /  4. 11.102
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 
'C:\Users\gersti\Desktop\P001C015_140612_R33F_12bit.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt  ARRI
     creation_time   : 2014-06-12 06:33:30
     timecode        : 08:38:38:12
   Duration: 00:00:05.71, start: 0.000000, bitrate: 576982 kb/s
     Stream #0:0(eng): Video: prores (ap4x / 0x78347061), *yuv444p10le*, 
1920x1080, 413835 kb/s, SAR 1:1 DAR 16:9, 24 fps, 24 tbr, 24 tbn, 24 tbc 
(default)
     Metadata:
       creation_time   : 2014-06-12 06:33:30
       handler_name    : Apple Alias Data Handler
       encoder         : Apple ProRes 4444 XQ??
     Stream #0:1(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
     Metadata:
       creation_time   : 2014-06-12 06:33:30
       handler_name    : Apple Alias Data Handler
       timecode        : 08:38:38:12
At least one output file must be specified

But as you can see, ffmpeg shows that the pixfmt is yuv444p10le (10bit). 
But this file should be a 12bit file.

br
Christoph


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