diff options
Diffstat (limited to 'third_party/aom/av1/common/entropymode.h')
-rw-r--r-- | third_party/aom/av1/common/entropymode.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/third_party/aom/av1/common/entropymode.h b/third_party/aom/av1/common/entropymode.h index 0bd2e20a1..7047f34d2 100644 --- a/third_party/aom/av1/common/entropymode.h +++ b/third_party/aom/av1/common/entropymode.h @@ -9,8 +9,8 @@ * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ -#ifndef AV1_COMMON_ENTROPYMODE_H_ -#define AV1_COMMON_ENTROPYMODE_H_ +#ifndef AOM_AV1_COMMON_ENTROPYMODE_H_ +#define AOM_AV1_COMMON_ENTROPYMODE_H_ #include "av1/common/entropy.h" #include "av1/common/entropymv.h" @@ -186,6 +186,8 @@ void av1_set_default_mode_deltas(int8_t *mode_deltas); void av1_setup_frame_contexts(struct AV1Common *cm); void av1_setup_past_independence(struct AV1Common *cm); +// Returns (int)ceil(log2(n)). +// NOTE: This implementation only works for n <= 2^30. static INLINE int av1_ceil_log2(int n) { if (n < 2) return 0; int i = 1, p = 2; @@ -207,4 +209,4 @@ int av1_get_palette_color_index_context(const uint8_t *color_map, int stride, } // extern "C" #endif -#endif // AV1_COMMON_ENTROPYMODE_H_ +#endif // AOM_AV1_COMMON_ENTROPYMODE_H_ |