[FFmpeg-user] DNXHD coding fails in current GIT-Head

[Rens Dijkshoorn]

Hi, 

in current GIT-Head dnxhd encoding failed with 

[dnxhd @ 0x7ff0b3813800] picture could not fit ratecontrol constraints, increase qmax 

The pre-compiled binary ffmpeg-272 works fine. 

Rens 

-------- 
ffmpeg -i test.mov -pix_fmt yuv422p -vcodec dnxhd -b:v 120M -c:a pcm_s16le test_dnxhd.mov 

ffmpeg version N-74637-g4cd1d23 Copyright (c) 2000-2015 the FFmpeg developers 
built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn) 
configuration: --enable-libvpx --enable-libx264 --enable-libx265 --enable-libopenjpeg --enable-libmp3lame --enable-libfaac --enable-libfdk-aac --enable-libfribidi --enable-libfreetype --enable-libass --enable-gpl --enable-nonfree --enable-shared 
libavutil 54. 31.100 / 54. 31.100 
libavcodec 56. 58.100 / 56. 58.100 
libavformat 56. 40.101 / 56. 40.101 
libavdevice 56. 4.100 / 56. 4.100 
libavfilter 5. 37.100 / 5. 37.100 
libswscale 3. 1.101 / 3. 1.101 
libswresample 1. 2.101 / 1. 2.101 
libpostproc 53. 3.100 / 53. 3.100 
Guessed Channel Layout for Input Stream #0.1 : stereo 
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mov': 
Metadata: 
major_brand : qt 
minor_version : 0 
compatible_brands: qt 
creation_time : 2015-08-25 13:59:44 
encoder : FFmbc 0.7 
Duration: 00:00:03.00, start: 0.000000, bitrate: 188533 kb/s 
Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(bt709), 1920x1080, 186988 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc (default) 
Metadata: 
creation_time : 2015-08-25 13:59:44 
handler_name : DataHandler 
encoder : prores 
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, 2 channels, s16, 1536 kb/s (default) 
Metadata: 
creation_time : 2015-08-25 13:59:44 
handler_name : DataHandler 
File 'test_dnxhd.mov' already exists. Overwrite ? [y/N] Output #0, mov, to 'test_dnxhd.mov': 
Metadata: 
major_brand : qt 
minor_version : 0 
compatible_brands: qt 
encoder : Lavf56.40.101 
Stream #0:0(eng): Video: dnxhd (AVdn / 0x6E645641), yuv422p, 1920x1080, q=2-1024, 120000 kb/s, 25 fps, 12800 tbn, 25 tbc (default) 
Metadata: 
creation_time : 2015-08-25 13:59:44 
handler_name : DataHandler 
encoder : Lavc56.58.100 dnxhd 
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s (default) 
Metadata: 
creation_time : 2015-08-25 13:59:44 
handler_name : DataHandler 
encoder : Lavc56.58.100 pcm_s16le 
Stream mapping: 
Stream #0:0 -> #0:0 (prores (native) -> dnxhd (native)) 
Stream #0:1 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native)) 
Press [q] to stop, [?] for help 
[dnxhd @ 0x7ff0b3813800] picture could not fit ratecontrol constraints, increase qmax 
Video encoding failed 
Conversion failed!