[FFmpeg-trac] #7280(avcodec:new): dnxhdenc.c forces DNxHR HQX to 10-bit, but it should be 12-bit

[FFmpeg]

#7280: dnxhdenc.c forces DNxHR HQX to 10-bit, but it should be 12-bit
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  electron.rotoscope                 |                   Status:  new
                 Type:  defect       |                Component:  avcodec
             Priority:  important    |               Resolution:
              Version:  unspecified  |               Blocked By:
             Keywords:  DNxHR HQX    |  Reproduced by developer:  0
  depth yuv422p12le                  |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by electron.rotoscope):

 How to reproduce (using an Avid-generated HQX file as an input)
 {{{
 D:\ffmpeg.exe -i "D:\HQX_Bars.mov" -c:v dnxhd -profile:v dnxhr_hqx
 -pix_fmt yuv422p12le -an "X:\output.mov"
 ffmpeg version N-91330-ga990184007 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 7.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
 bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
 --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-
 libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa
 --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx
 --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-
 nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
   libavutil      56. 18.102 / 56. 18.102
   libavcodec     58. 20.103 / 58. 20.103
   libavformat    58. 17.100 / 58. 17.100
   libavdevice    58.  4.101 / 58.  4.101
   libavfilter     7. 25.100 /  7. 25.100
   libswscale      5.  2.100 /  5.  2.100
   libswresample   3.  2.100 /  3.  2.100
   libpostproc    55.  2.100 / 55.  2.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\HQX_Bars.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2018-06-26T21:22:27.000000Z
     timecode        : 01:00:00:00
   Duration: 00:00:01.00, start: 0.000000, bitrate: 698462 kb/s
     Stream #0:0(eng): Video: dnxhd (DNXHR HQX) (AVdh / 0x68645641),
 yuv422p12le(pc, bt709/unknown/unknown), 3840x2160, 698438 kb/s, 23.98 fps,
 23.98 tbr, 23976 tbn, 23976 tbc (default)
     Metadata:
       creation_time   : 2018-06-26T21:22:27.000000Z
       handler_name    : Apple Alias Data Handler
       encoder         : Avid DNxHR Codec
     Stream #0:1(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
     Metadata:
       creation_time   : 2018-06-26T21:22:27.000000Z
       handler_name    : Apple Alias Data Handler
       timecode        : 01:00:00:00
 Stream mapping:
   Stream #0:0 -> #0:0 (dnxhd (native) -> dnxhd (native))
 Press [q] to stop, [?] for help
 Incompatible pixel format 'yuv422p12le' for codec 'dnxhd', auto-selecting
 format 'yuv422p10le'
 Output #0, mov, to 'X:\output.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     timecode        : 01:00:00:00
     encoder         : Lavf58.17.100
     Stream #0:0(eng): Video: dnxhd (DNXHR HQX) (AVdh / 0x68645641),
 yuv422p10le, 3840x2160, q=2-1024, 200 kb/s, 0.04 fps, 11988 tbn, 23.98 tbc
 (default)
     Metadata:
       creation_time   : 2018-06-26T21:22:27.000000Z
       handler_name    : Apple Alias Data Handler
       encoder         : Lavc58.20.103 dnxhd
 frame=   24 fps= 16 q=1.0 Lsize=   85345kB time=00:00:00.95
 bitrate=728755.0kbits/s speed=0.647x
 video:85344kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.001724%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7280#comment:1>
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