[FFmpeg-trac] #11505(avcodec:new): Cuvid decoders do not work with CUDA hwaccel anymore

[FFmpeg]

#11505: Cuvid decoders do not work with CUDA hwaccel anymore
-------------------------------------+-------------------------------------
             Reporter:  bermond      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avcodec      |                  Version:  git-
             Keywords:  cuvid cuda   |  master
  Nvidia hw_decode hwaccel           |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Cuvid decoders do not work with CUDA hwaccel anymore in FFmpeg git master.
 An error message says that `Codec h264_cuvid is not supported with this
 chroma format`.

 How to reproduce:
 {{{
 $ ffmpeg -init_hw_device cuda=gpu:0 -hwaccel cuda -hwaccel_output_format
 cuda -hwaccel_device gpu -c:v h264_cuvid -i input.mp4 -y test-out.mp4
 ffmpeg version N-118749-g0f7d77fc42 Copyright (c) 2000-2025 the FFmpeg
 developers
   built with gcc 14.2.1 (GCC) 20250207
   configuration: --prefix=/usr --enable-lto --disable-rpath --enable-gpl
 --enable-version3 --enable-nonfree --enable-shared --disable-static
 --disable-stripping --disable-htmlpages --enable-gray --enable-alsa
 --enable-avisynth --enable-bzlib --enable-chromaprint --enable-frei0r
 --enable-gcrypt --enable-gmp --enable-gnutls --enable-iconv --enable-
 ladspa --enable-lcms2 --enable-libaom --enable-libaribb24 --enable-
 libaribcaption --enable-libass --enable-libbluray --enable-libbs2b
 --enable-libcaca --enable-libcelt --enable-libcdio --enable-libcodec2
 --enable-libdav1d --enable-libdavs2 --enable-libdc1394 --enable-libdvdnav
 --enable-libdvdread --enable-libfdk-aac --enable-libflite --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-
 libharfbuzz --enable-libglslang --enable-libgme --enable-libgsm --enable-
 libiec61883 --enable-libilbc --enable-libjack --enable-libjxl --enable-
 libklvanc --enable-libkvazaar --enable-liblc3 --enable-liblcevc-dec
 --enable-liblensfun --enable-libmodplug --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopencv --enable-
 libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libopenvino
 --enable-libopus --enable-libplacebo --enable-libpulse --enable-
 libqrencode --enable-libquirc --enable-librabbitmq --enable-librav1e
 --enable-librist --enable-librsvg --enable-librubberband --enable-librtmp
 --disable-libshaderc --enable-libshine --enable-libsmbclient --enable-
 libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-
 libssh --enable-libsvtav1 --enable-libsvthevc --enable-libsvtvp9
 --disable-libtensorflow --enable-libtesseract --enable-libtheora
 --disable-libtls --disable-libtorch --enable-libtwolame --enable-libuavs3d
 --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvo-
 amrwbenc --enable-libvorbis --enable-libvpx --enable-libvvenc --enable-
 libwebp --enable-libx264 --enable-libx265 --enable-libxevd --enable-
 libxeve --enable-libxavs --enable-libxavs2 --enable-libxcb --enable-
 libxcb-shm --enable-libxcb-xfixes --enable-libxcb-shape --enable-libxvid
 --enable-libxml2 --enable-libzimg --enable-libzmq --enable-libzvbi
 --enable-lv2 --enable-lzma --enable-decklink --disable-mbedtls --enable-
 libmysofa --enable-openal --enable-opencl --enable-opengl --disable-
 openssl --disable-pocketsphinx --enable-sndio --enable-sdl2 --enable-
 vapoursynth --enable-vulkan --enable-xlib --enable-zlib --enable-amf
 --enable-cuda-nvcc --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec
 --enable-libdrm --enable-libvpl --enable-libnpp --enable-nvdec --enable-
 nvenc --enable-omx --enable-rkmpp --enable-v4l2-m2m --enable-vaapi
 --enable-vdpau
   libavutil      59. 59.100 / 59. 59.100
   libavcodec     61. 33.102 / 61. 33.102
   libavformat    61.  9.107 / 61.  9.107
   libavdevice    61.  4.100 / 61.  4.100
   libavfilter    10.  9.100 / 10.  9.100
   libswscale      8. 13.101 /  8. 13.101
   libswresample   5.  4.100 /  5.  4.100
   libpostproc    58.  4.100 / 58.  4.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 0
     compatible_brands: isommp42
     creation_time   : 2023-02-17T22:54:31.000000Z
   Duration: 00:00:40.75, start: 0.000000, bitrate: 817 kb/s
   Stream #0:0[0x1](und): Video: h264 (Main) (avc1 / 0x31637661),
 yuv420p(tv, bt709, progressive), 576x1024 [SAR 1:1 DAR 9:16], 684 kb/s,
 29.97 fps, 29.97 tbr, 30k tbn (default)
     Metadata:
       creation_time   : 2023-02-17T22:54:31.000000Z
       handler_name    : ISO Media file produced by Google Inc. Created on:
 02/17/2023.
       vendor_id       : [0][0][0][0]
   Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
 stereo, fltp, 128 kb/s (default)
     Metadata:
       creation_time   : 2023-02-17T22:54:31.000000Z
       handler_name    : ISO Media file produced by Google Inc. Created on:
 02/17/2023.
       vendor_id       : [0][0][0][0]
 [h264_cuvid @ 0x5ea53363e140] Codec h264_cuvid is not supported with this
 chroma format.
 [vist#0:0/h264 @ 0x5ea5335a5f40] [dec:h264_cuvid @ 0x5ea533683d00] Error
 while opening decoder: Invalid argument
 Error opening output file test-out.mp4.
 Error opening output files: Invalid argument
 }}}

 The command bellow, without hwaccel, works:

 {{{
 $ ffmpeg -c:v h264_cuvid -i input.mp4 -y test-out.mp4
 }}}

 A git bisect shows the offending commit as being:
 7e9655800da385f8dc9d31f6ac831910f98c8c9e.

 Operating System: Arch Linux
 FFmpeg: git master
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11505>
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