FFmpeg

virtualenv/FFmpeg

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Commit Graph

Author	SHA1	Message	Date
Diego Biurrun	e4a94d8b36	h264chroma: Change type of stride parameters to ptrdiff_t This avoids SIMD-optimized functions having to sign-extend their stride argument manually to be able to do pointer arithmetic.	2016-09-29 14:48:04 +02:00
Janne Grunau	982b596ea6	h264: avoid undefined behavior in chroma motion compensation Makes fate-h264 pass under valgrind --undef-value-errors=yes with -cpuflags none. {avg,put}_h264_chroma_mc8_8 approximately 5% faster, {avg,put}_h264_chroma_mc4_8 2% faster both on x86 and arm.	2014-02-20 14:02:06 +01:00
Diego Biurrun	79dad2a932	dsputil: Separate h264chroma	2013-02-06 11:30:53 +01:00

Author

SHA1

Message

Date

Diego Biurrun

e4a94d8b36

h264chroma: Change type of stride parameters to ptrdiff_t

This avoids SIMD-optimized functions having to sign-extend their
stride argument manually to be able to do pointer arithmetic.

2016-09-29 14:48:04 +02:00

Janne Grunau

982b596ea6

h264: avoid undefined behavior in chroma motion compensation

Makes fate-h264 pass under valgrind --undef-value-errors=yes with
-cpuflags none. {avg,put}_h264_chroma_mc8_8 approximately 5% faster,
{avg,put}_h264_chroma_mc4_8 2% faster both on x86 and arm.

2014-02-20 14:02:06 +01:00

Diego Biurrun

79dad2a932

dsputil: Separate h264chroma

2013-02-06 11:30:53 +01:00

3 Commits