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FFmpeg/libavcodec/x86/vvc

History

Stone Chen 0e52a4e434 libavcodec/x86/vvc: Add AVX2 DMVR SAD functions for VVC ... 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 | Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>		8 months ago
..
Makefile	libavcodec/x86/vvc: Add AVX2 DMVR SAD functions for VVC	8 months ago
vvc_alf.asm	x86/vvc_alf: use the x86inc instruction macros	8 months ago
vvc_mc.asm	x86/vvc/vvc_mc: wrap the entire file in x86_64 and AVX2 checks	12 months ago
vvc_sad.asm	libavcodec/x86/vvc: Add AVX2 DMVR SAD functions for VVC	8 months ago
vvcdsp_init.c	libavcodec/x86/vvc: Add AVX2 DMVR SAD functions for VVC	8 months ago