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authorMans Rullgard <mans@mansr.com>2012-10-26 14:42:23 +0100
committerMans Rullgard <mans@mansr.com>2012-11-23 12:04:17 +0000
commit4a606c830ae664013cea33800094d4d0f4ec62da (patch)
treea4cd85bfb69d4c61ea1a09c96fba09d2dfb8f1d1 /libavformat/swfdec.c
parent5e39bb073a1d6fc6ac30b19893beefdd3c7d633f (diff)
downloadffmpeg-4a606c830ae664013cea33800094d4d0f4ec62da.tar.gz
av_memcpy_backptr: optimise some special cases
- Add special cases for offsets of 2, 3, or 4 bytes. This means the offset is always >4 in the generic case, allowing 32-bit copies to be used there. - Don't use memcpy() for sizes less than 16 bytes. Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavformat/swfdec.c')
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