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| author | Mans Rullgard <mans@mansr.com> | 2012-08-08 17:13:26 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-08-09 00:58:20 +0100 |
| commit | d7a4f8f8b9a4bc309d4d5ab067cfba945e690c0c (patch) | |
| tree | cdf4e8c5b08c4766669d85ab14f8150b121f3c6c /libavcodec/mathops.h | |
| parent | 070a402b60cb4ebc6fd2ba59c13758811815bb19 (diff) | |
| download | ffmpeg-streaming-d7a4f8f8b9a4bc309d4d5ab067cfba945e690c0c.zip ffmpeg-streaming-d7a4f8f8b9a4bc309d4d5ab067cfba945e690c0c.tar.gz | |
Move MASK_ABS macro to libavcodec/mathops.h
This macro is only used in two places, both in libavcodec, so this
is a more sensible place for it.
Two small tweaks to the macro are made:
- removing the trailing semicolon
- dropping unnecessary 'volatile' from the x86 asm
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/mathops.h')
| -rw-r--r-- | libavcodec/mathops.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/mathops.h b/libavcodec/mathops.h index d6eb98d..ab545ef 100644 --- a/libavcodec/mathops.h +++ b/libavcodec/mathops.h @@ -138,6 +138,13 @@ if ((y) < (x)) {\ } #endif +#ifndef MASK_ABS +#define MASK_ABS(mask, level) do { \ + mask = level >> 31; \ + level = (level ^ mask) - mask; \ + } while (0) +#endif + #ifndef NEG_SSR32 # define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s))) #endif |
