Change #254128

Category	ffmpeg
Changed by	Zhao Zhili <zhilizhaoohnoyoudont@tencent.com>
Changed at	Sun 04 Jan 2026 15:49:30
Repository	https://git.ffmpeg.org/ffmpeg.git
Project	ffmpeg
Branch	master
Revision	66f7e9db714a4cb12431c9e20d20207dcceacc55

Comments

avutil/crc: use arm64 crc32 instruction
On rpi5 A76
crc_32_ieee_le_c:                       23146.3 ( 1.00x)
crc_32_ieee_le_crc:                      1060.1 (21.83x)

On RK3566 A55
crc_32_ieee_le_c:                       28773.8 ( 1.00x)
crc_32_ieee_le_crc:                      2602.4 (11.06x)

Co-authored-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Changed files

libavutil/aarch64/Makefile
libavutil/aarch64/crc.S
libavutil/aarch64/crc.h
libavutil/crc.c