[FFmpeg-trac] #10994(undetermined:new): Trancoding from h264 to DNxHR LB fail

[FFmpeg]

#10994: Trancoding from h264 to DNxHR LB fail
-------------------------------------+-------------------------------------
             Reporter:  Fractale     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  7.0
  undetermined                       |
             Keywords:  DNxHD dnxhd  |               Blocked By:
  put_bits buffer                    |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 ffmpeg -i 2024-04-25_18-33-07.mkv -vcodec dnxhd -profile:v dnxhr_lb -vf
 scale=-1:540 tmp.mov
 ffmpeg version 7.0-full_build-www.gyan.dev Copyright (c) 2000-2024 the
 FFmpeg developers
   built with gcc 13.2.0 (Rev5, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 w32threads --disable-autodetect --enable-fontconfig --enable-iconv
 --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma
 --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt
 --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray
 --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption
 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libxevd
 --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp
 --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve
 --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg
 --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r
 --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-
 liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-
 amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va
 --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec
 --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan
 --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme
 --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb
 --enable-libmp3lame --enable-libshine --enable-libtheora --enable-
 libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc
 --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-
 libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-
 libflite --enable-libmysofa --enable-librubberband --enable-libsoxr
 --enable-chromaprint
   libavutil      59.  8.100 / 59.  8.100
   libavcodec     61.  3.100 / 61.  3.100
   libavformat    61.  1.100 / 61.  1.100
   libavdevice    61.  1.100 / 61.  1.100
   libavfilter    10.  1.100 / 10.  1.100
   libswscale      8.  1.100 /  8.  1.100
   libswresample   5.  1.100 /  5.  1.100
   libpostproc    58.  1.100 / 58.  1.100
 Input #0, matroska,webm, from '2024-04-25_18-33-07.mkv':
   Metadata:
     ENCODER         : Lavf60.16.100
   Duration: 00:49:18.57, start: 0.000000, bitrate: 3760 kb/s
   Stream #0:0: Video: h264 (High), yuv420p(tv, bt709, progressive),
 1920x1080 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 1k tbn
       Metadata:
         DURATION        : 00:49:18.566000000
   Stream #0:1: Audio: aac (LC), 48000 Hz, stereo, fltp
       Metadata:
         title           : simple_aac_recording0
         DURATION        : 00:49:18.506000000
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> dnxhd (native))
   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
 Press [q] to stop, [?] for help
 Output #0, mov, to 'tmp.mov':
   Metadata:
     encoder         : Lavf61.1.100
   Stream #0:0: Video: dnxhd (DNXHR LB) (AVdh / 0x68645641), yuv422p(tv,
 bt709, progressive), 960x540 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 30 fps,
 15360 tbn
       Metadata:
         DURATION        : 00:49:18.566000000
         encoder         : Lavc61.3.100 dnxhd
   Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo,
 fltp, 128 kb/s
       Metadata:
         title           : simple_aac_recording0
         DURATION        : 00:49:18.506000000
         encoder         : Lavc61.3.100 aac
 Internal error, put_bits buffer too small
 Assertion s->buf_ptr < s->buf_end failed at
 D:/code/ffmpeg/src/libavcodec/put_bits.h:150
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10994>
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