ср, 25 сент. 2024 г., 00:55 Terje J. Hanssen <[email protected]>:
Den 24.09.2024 22:20, skrev Andrew Randrianasulu via Cin:
got answer from ffmpeg devs
https://ffmpeg.org//pipermail/ffmpeg-devel/2024-September/333906.html
But will it be hard to enable Cingg "presets" to utilize hwaccels like QSV decoding/encoding via the unbundled built via QSV-enabled system FFmpeg?
you can try to copy vaapi profiles under new name, then replace codec_vaapi for codec_qsv and see how it goes .... I just did the same for mediacodec, seems to work but unsure if you need additional patch I have in tree here ...
ffmpeg -hide_banner -codecs | grep qsv DEV.L. av1 Alliance for Open Media AV1 (decoders: libdav1d libaom-av1 av1 av1_cuvid av1_qsv) (encoders: libaom-av1 librav1e libsvtav1 av1_nvenc av1_qsv av1_amf av1_vaapi) DEV.LS h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m h264_qsv libopenh264 h264_cuvid) (encoders: libx264 libx264rgb libopenh264 h264_amf h264_nvenc h264_qsv h264_v4l2m2m h264_vaapi) DEV.L. hevc H.265 / HEVC (High Efficiency Video Coding) (decoders: hevc hevc_qsv hevc_v4l2m2m hevc_cuvid) (encoders: libx265 hevc_amf hevc_nvenc hevc_qsv hevc_v4l2m2m hevc_vaapi) DEVIL. mjpeg Motion JPEG (decoders: mjpeg mjpeg_cuvid mjpeg_qsv) (encoders: mjpeg mjpeg_qsv mjpeg_vaapi) DEV.L. mpeg2video MPEG-2 video (decoders: mpeg2video mpegvideo mpeg2_v4l2m2m mpeg2_qsv mpeg2_cuvid) (encoders: mpeg2video mpeg2_qsv mpeg2_vaapi) D.V.L. vc1 SMPTE VC-1 (decoders: vc1 vc1_qsv vc1_v4l2m2m vc1_cuvid) DEV.L. vp8 On2 VP8 (decoders: vp8 vp8_v4l2m2m libvpx vp8_cuvid vp8_qsv) (encoders: libvpx vp8_v4l2m2m vp8_vaapi) DEV.L. vp9 Google VP9 (decoders: vp9 vp9_v4l2m2m libvpx-vp9 vp9_cuvid vp9_qsv) (encoders: libvpx-vp9 vp9_vaapi vp9_qsv)
Applied decoding benchmarks examples from https://trac.ffmpeg.org/wiki/Hardware/QuickSync#Decode-only
ffmpeg -hide_banner -hwaccel_output_format qsv -c:v hevc_qsv -i h265_yuv420p+opus.mp4 -f null - frame= 1781 fps=1745 q=-0.0 Lsize=N/A time=00:01:11.24 bitrate=N/A speed=69.8x
ffmpeg -hide_banner -hwaccel_output_format qsv -c:v hevc_qsv -i h265_yuv422p10le_SR.mp4 -f null - frame= 1779 fps=1351 q=-0.0 Lsize=N/A time=00:01:11.16 bitrate=N/A speed=54.1x