Hi, On Tue, May 21, 2024 at 8:01 PM Stone Chen <chen.stonec...@gmail.com> wrote:
> Implements AVX2 DMVR (decoder-side motion vector refinement) SAD > functions. DMVR SAD is only calculated if w >= 8, h >= 8, and w * h > 128. > To reduce complexity, SAD is only calculated on even rows. This is > calculated for all video bitdepths, but the values passed to the function > are always 16bit (even if the original video bitdepth is 8). The AVX2 > implementation uses min/max/sub. > > Additionally this changes parameters dx and dy from int to intptr_t. This > allows dx & dy to be used as pointer offsets without needing to use movsxd. > > Benchmarks ( AMD 7940HS ) > Before: > BQTerrace_1920x1080_60_10_420_22_RA.vvc | 106.0 | > Chimera_8bit_1080P_1000_frames.vvc | 204.3 | > NovosobornayaSquare_1920x1080.bin | 197.3 | > RitualDance_1920x1080_60_10_420_37_RA.266 | 174.0 | > > After: > BQTerrace_1920x1080_60_10_420_22_RA.vvc | 109.3 | > Chimera_8bit_1080P_1000_frames.vvc | 216.0 | > NovosobornayaSquare_1920x1080.bin | 204.0| > RitualDance_1920x1080_60_10_420_37_RA.266 | 181.7 | > --- > libavcodec/vvc/dsp.c | 2 +- > libavcodec/vvc/dsp.h | 2 +- > libavcodec/x86/vvc/Makefile | 3 +- > libavcodec/x86/vvc/vvc_sad.asm | 130 +++++++++++++++++++++++++++++++ > libavcodec/x86/vvc/vvcdsp_init.c | 6 ++ > 5 files changed, 140 insertions(+), 3 deletions(-) > create mode 100644 libavcodec/x86/vvc/vvc_sad.asm > LGTM. Ronald _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
