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Use nvidia hardware acceleration to merge webms with pngs in ffmpeg
2 février, par Joshi234So I need to merge around 18000 webms with with pngs, however on software encoding it's really slow, so I'm trying to use hardware acceleration to make this faster.


I tried a lot of different stuff but none of them seems to work and it gives me generic errors to what I couldn't find anything relavant.


This is the most "succesful" try I had :

ffmpeg -hwaccel cuvid -c:v vp9_cuvid -i lightray.webm -i card.png -filter_complex "[1]format=argb,colorchannelmixer=aa=0.35[ol];[0][ol]overlay" -colorspace 5 -c:a copy output.webm


Which gives me this error :


ffmpeg version n7.0.1-ffmpeg-windows-build-helpers Copyright (c) 2000-2024 the FFmpeg developers
 built with gcc 10.2.0 (GCC)
 configuration: --pkg-config=pkg-config --pkg-config-flags=--static --extra-version=ffmpeg-windows-build-helpers --enable-version3 --disable-debug --disable-w32threads --arch=x86_64 --target-os=mingw32 --cross-prefix=/home/runner/work/ffmpeg-stable-autobuild/ffmpeg-stable-autobuild/sandbox/cross_compilers/mingw-w64-x86_64/bin/x86_64-w64-mingw32- --enable-libcaca --enable-gray --enable-libtesseract --enable-fontconfig --enable-gmp --enable-libass --enable-libbluray --enable-libbs2b --enable-libflite --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libvorbis --enable-libwebp --enable-libzimg --enable-libzvbi --enable-libmysofa --enable-libopenjpeg --enable-libopenh264 --enable-libvmaf --enable-libsrt --enable-libxml2 --enable-opengl --enable-libdav1d --enable-gnutls --enable-libsvtav1 --enable-libvpx --enable-libaom --enable-nvenc --enable-nvdec --extra-libs=-lz --extra-libs=-lpng --extra-libs=-lm --extra-libs=-lfreetype --extra-libs=-lshlwapi --extra-libs=-lmpg123 --extra-libs=-lpthread --extra-cflags=-DLIBTWOLAME_STATIC --extra-cflags=-DMODPLUG_STATIC --extra-cflags=-DCACA_STATIC --enable-amf --enable-libmfx --enable-libaribcaption --enable-gpl --enable-frei0r --enable-librubberband --enable-libvidstab --enable-libx264 --enable-libx265 --enable-avisynth --enable-libaribb24 --enable-libxvid --enable-libdavs2 --enable-libxavs2 --enable-libxavs --extra-cflags='-mtune=generic' --extra-cflags=-O3 --enable-static --disable-shared --prefix=/home/runner/work/ffmpeg-stable-autobuild/ffmpeg-stable-autobuild/sandbox/cross_compilers/mingw-w64-x86_64/x86_64-w64-mingw32 --enable-nonfree --enable-libfdk-aac --enable-decklink
 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
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 3 times
[vp9 @ 000001baa2891400] Not all references are available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 1 times
[vp9 @ 000001baa2891400] Requested reference 6 not available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 4 times
[vp9 @ 000001baa2891400] Requested reference 6 not available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 3 times
[vp9 @ 000001baa2891400] Not all references are available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 12 times
[vp9 @ 000001baa2891400] Requested reference 6 not available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 4 times
[vp9 @ 000001baa2891400] Not all references are available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 1 times
[vp9 @ 000001baa2891400] Not all references are available
 Last message repeated 1 times
[vp9 @ 000001baa2891400] Invalid frame marker
[vp9 @ 000001baa2891400] Requested reference 6 not available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 1 times
[vp9 @ 000001baa2891400] Requested reference 6 not available
[vp9 @ 000001baa2891400] Invalid frame marker
 Last message repeated 1 times
[vp9 @ 000001baa2891400] Not all references are available



I'm by no means an expert in ffmpeg or in video encoding in general, so I have no idea what this is supposed to mean.


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