diff options
Diffstat (limited to 'media/ffvpx/libavcodec/mathops.h')
| -rw-r--r-- | media/ffvpx/libavcodec/mathops.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/media/ffvpx/libavcodec/mathops.h b/media/ffvpx/libavcodec/mathops.h index 1c35664318..a1dc323304 100644 --- a/media/ffvpx/libavcodec/mathops.h +++ b/media/ffvpx/libavcodec/mathops.h @@ -24,15 +24,16 @@ #include <stdint.h> +#include "libavutil/attributes_internal.h" #include "libavutil/common.h" -#include "libavutil/reverse.h" #include "config.h" #define MAX_NEG_CROP 1024 extern const uint32_t ff_inverse[257]; +extern const uint8_t ff_log2_run[41]; extern const uint8_t ff_sqrt_tab[256]; -extern const uint8_t ff_crop_tab[256 + 2 * MAX_NEG_CROP]; +extern const uint8_t attribute_visibility_hidden ff_crop_tab[256 + 2 * MAX_NEG_CROP]; extern const uint8_t ff_zigzag_direct[64]; extern const uint8_t ff_zigzag_scan[16+1]; @@ -126,6 +127,8 @@ static inline av_const int median4(int a, int b, int c, int d) } #endif +#define FF_SIGNBIT(x) ((x) >> CHAR_BIT * sizeof(x) - 1) + #ifndef sign_extend static inline av_const int sign_extend(int val, unsigned bits) { @@ -135,6 +138,15 @@ static inline av_const int sign_extend(int val, unsigned bits) } #endif +#ifndef sign_extend64 +static inline av_const int64_t sign_extend64(int64_t val, unsigned bits) +{ + unsigned shift = 8 * sizeof(int64_t) - bits; + union { uint64_t u; int64_t s; } v = { (uint64_t) val << shift }; + return v.s >> shift; +} +#endif + #ifndef zero_extend static inline av_const unsigned zero_extend(unsigned val, unsigned bits) { @@ -240,12 +252,4 @@ static inline int8_t ff_u8_to_s8(uint8_t a) return b.s8; } -static av_always_inline uint32_t bitswap_32(uint32_t x) -{ - return (uint32_t)ff_reverse[ x & 0xFF] << 24 | - (uint32_t)ff_reverse[(x >> 8) & 0xFF] << 16 | - (uint32_t)ff_reverse[(x >> 16) & 0xFF] << 8 | - (uint32_t)ff_reverse[ x >> 24]; -} - #endif /* AVCODEC_MATHOPS_H */ |