aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/xan.c
diff options
context:
space:
mode:
authorMartin Storsjö <martin@martin.st>2017-01-14 20:49:19 +0200
committerMartin Storsjö <martin@martin.st>2017-03-11 13:14:50 +0200
commit3fbbad29847c79f422128ad88f174c53a5f6c449 (patch)
tree8a216f6a2b93a2a706384540d89d134a14539bc6 /libavcodec/xan.c
parentdda45c087b2c09ba9e485c51ff9c8f2aaca709a9 (diff)
downloadffmpeg-3fbbad29847c79f422128ad88f174c53a5f6c449.tar.gz
arm/aarch64: vp9lpf: Keep the comparison to E within 8 bit
The theoretical maximum value of E is 193, so we can just saturate the addition to 255. Before: Cortex A7 A8 A9 A53 A53/AArch64 vp9_loop_filter_v_4_8_neon: 143.0 127.7 114.8 88.0 87.7 vp9_loop_filter_v_8_8_neon: 241.0 197.2 173.7 140.0 136.7 vp9_loop_filter_v_16_8_neon: 497.0 419.5 379.7 293.0 275.7 vp9_loop_filter_v_16_16_neon: 965.2 818.7 731.4 579.0 452.0 After: vp9_loop_filter_v_4_8_neon: 136.0 125.7 112.6 84.0 83.0 vp9_loop_filter_v_8_8_neon: 234.0 195.5 171.5 136.0 133.7 vp9_loop_filter_v_16_8_neon: 490.0 417.5 377.7 289.0 271.0 vp9_loop_filter_v_16_16_neon: 951.2 814.7 732.3 571.0 446.7 This is cherrypicked from libav commit c582cb8537367721bb399a5d01b652c20142b756. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/xan.c')
0 files changed, 0 insertions, 0 deletions