diff options
Diffstat (limited to 'media/ffvpx/libavutil/cpu.h')
| -rw-r--r-- | media/ffvpx/libavutil/cpu.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/media/ffvpx/libavutil/cpu.h b/media/ffvpx/libavutil/cpu.h index 4bff16714..9e5d40aff 100644 --- a/media/ffvpx/libavutil/cpu.h +++ b/media/ffvpx/libavutil/cpu.h @@ -21,6 +21,8 @@ #ifndef AVUTIL_CPU_H #define AVUTIL_CPU_H +#include <stddef.h> + #include "attributes.h" #define AV_CPU_FLAG_FORCE 0x80000000 /* force usage of selected flags (OR) */ @@ -39,6 +41,7 @@ #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_SSSE3SLOW 0x4000000 ///< SSSE3 supported, but usually not faster #define AV_CPU_FLAG_ATOM 0x10000000 ///< Atom processor, some SSSE3 instructions are slower #define AV_CPU_FLAG_SSE4 0x0100 ///< Penryn SSE4.1 functions #define AV_CPU_FLAG_SSE42 0x0200 ///< Nehalem SSE4.2 functions @@ -85,8 +88,6 @@ void av_force_cpu_flags(int flags); * Set a mask on flags returned by av_get_cpu_flags(). * This function is mainly useful for testing. * Please use av_force_cpu_flags() and av_get_cpu_flags() instead which are more flexible - * - * @warning this function is not thread safe. */ attribute_deprecated void av_set_cpu_flags_mask(int mask); @@ -114,4 +115,15 @@ int av_parse_cpu_caps(unsigned *flags, const char *s); */ int av_cpu_count(void); +/** + * Get the maximum data alignment that may be required by FFmpeg. + * + * Note that this is affected by the build configuration and the CPU flags mask, + * so e.g. if the CPU supports AVX, but libavutil has been built with + * --disable-avx or the AV_CPU_FLAG_AVX flag has been disabled through + * av_set_cpu_flags_mask(), then this function will behave as if AVX is not + * present. + */ +size_t av_cpu_max_align(void); + #endif /* AVUTIL_CPU_H */ |