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authorBen Avison <bavison@riscosopen.org>2013-08-05 13:12:49 +0100
committerMartin Storsjö <martin@martin.st>2013-08-05 19:25:55 +0300
commita22ae9f0c579793f411e2bd7a8db557091a3a4ae (patch)
tree9c2c26d112c1860e0db7f915eec99214d950b342 /libavcodec/imgconvert.c
parent43bacd5b7d3d265a77cd29d8abb131057796aecc (diff)
downloadffmpeg-a22ae9f0c579793f411e2bd7a8db557091a3a4ae.tar.gz
mpegts: Remove one 64-bit integer modulus operation per packet
The common case of the pointer having increased by one packet (which results in no change to the modulus) can be detected with a 64-bit subtraction, which is far cheaper than a division on many platforms. Before After Mean StdDev Mean StdDev Change Divisions 248.3 8.8 51.5 7.4 +381.7% Overall 2773.2 25.6 2372.5 43.1 +16.9% Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/imgconvert.c')
0 files changed, 0 insertions, 0 deletions