diff options
Diffstat (limited to 'vp9/common/vp9_idct.h')
| -rw-r--r-- | vp9/common/vp9_idct.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/vp9/common/vp9_idct.h b/vp9/common/vp9_idct.h index 3e0ee4b63..95028997b 100644 --- a/vp9/common/vp9_idct.h +++ b/vp9/common/vp9_idct.h @@ -8,8 +8,8 @@ * be found in the AUTHORS file in the root of the source tree. */ -#ifndef VP9_COMMON_VP9_IDCT_H -#define VP9_COMMON_VP9_IDCT_H +#ifndef VP9_COMMON_VP9_IDCT_H_ +#define VP9_COMMON_VP9_IDCT_H_ #include "./vpx_config.h" @@ -75,4 +75,17 @@ static INLINE int dct_32_round(int input) { return rv; } -#endif +typedef void (*transform_1d)(int16_t*, int16_t*); + +typedef struct { + transform_1d cols, rows; // vertical and horizontal +} transform_2d; + +#define ROUND_POWER_OF_TWO(value, n) (((value) + (1 << ((n) - 1))) >> (n)) + +/* If we don't want to use ROUND_POWER_OF_TWO macro +static INLINE int16_t round_power_of_two(int16_t value, int n) { + return (value + (1 << (n - 1))) >> n; +}*/ + +#endif // VP9_COMMON_VP9_IDCT_H_ |