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authorTimo Rothenpieler <timo@rothenpieler.org>2022-11-05 21:17:37 +0100
committerTimo Rothenpieler <timo@rothenpieler.org>2022-11-05 21:17:37 +0100
commit5c288a44ad16087c3d3a7563490cb634790e751f (patch)
tree45fa050b35591de30e7144620fcb490d8e4aebae /doc/decoders.texi
parent28680e2f41b93b75863720e42397441dfcc29f94 (diff)
downloadffmpeg-5c288a44ad16087c3d3a7563490cb634790e751f.tar.gz
avcodec/nvenc: add AV1 encoding support
The encoder seems to be trading blows with hevc_nvenc. In terms of quality at low bitrate cbr settings, it seems to outperform it even. It produces fewer artifacts and the ones it does produce are less jarring to my perception. At higher bitrates I had a hard time finding differences between the two encoders in terms of subjective visual quality. Using the 'slow' preset, av1_nvenc outperformed hevc_nvenc in terms of encoding speed by 75% to 100% while performing above tests. Needless to say, it always massively outperformed h264_nvenc in terms of quality for a given bitrate, while also being slightly faster.
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