diff options
Diffstat (limited to 'ffmpeg/libavutil/cpu.h')
| -rw-r--r-- | ffmpeg/libavutil/cpu.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/ffmpeg/libavutil/cpu.h b/ffmpeg/libavutil/cpu.h index c8f34e0..55c3ec9 100644 --- a/ffmpeg/libavutil/cpu.h +++ b/ffmpeg/libavutil/cpu.h @@ -33,9 +33,11 @@ #define AV_CPU_FLAG_SSE 0x0008 ///< SSE functions #define AV_CPU_FLAG_SSE2 0x0010 ///< PIV SSE2 functions #define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster + ///< than regular MMX/SSE (e.g. Core1) #define AV_CPU_FLAG_3DNOWEXT 0x0020 ///< AMD 3DNowExt #define AV_CPU_FLAG_SSE3 0x0040 ///< Prescott SSE3 functions #define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster + ///< than regular MMX/SSE (e.g. Core1) #define AV_CPU_FLAG_SSSE3 0x0080 ///< Conroe SSSE3 functions #define AV_CPU_FLAG_ATOM 0x10000000 ///< Atom processor, some SSSE3 instructions are slower #define AV_CPU_FLAG_SSE4 0x0100 ///< Penryn SSE4.1 functions @@ -48,6 +50,7 @@ // #else // #define AV_CPU_FLAG_CMOV 0x1000 ///< supports cmov instruction // #endif +#define AV_CPU_FLAG_AVX2 0x8000 ///< AVX2 functions: requires OS support even if YMM registers aren't used #define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard @@ -100,9 +103,9 @@ int av_parse_cpu_flags(const char *s); */ int av_parse_cpu_caps(unsigned *flags, const char *s); -/* The following CPU-specific functions shall not be called directly. */ -int ff_get_cpu_flags_arm(void); -int ff_get_cpu_flags_ppc(void); -int ff_get_cpu_flags_x86(void); +/** + * @return the number of logical CPU cores present. + */ +int av_cpu_count(void); #endif /* AVUTIL_CPU_H */ |