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mi_width_log2 & mi_height_log2

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converted to lookup to avoid unnecessary code

Change-Id: I2ee6a01f06984cc2c4ba74b3fffd215318f749d2
This commit is contained in:
Jim Bankoski 2013-07-10 07:26:08 -07:00
parent 6c8170af52
commit 863204e64d
3 changed files with 9 additions and 11 deletions
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13
vp9/common/vp9_blockd.h
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@ -149,20 +149,11 @@ static INLINE int b_height_log2(BLOCK_SIZE_TYPE sb_type) {
}
static INLINE int mi_width_log2(BLOCK_SIZE_TYPE sb_type) {
int a = b_width_log2(sb_type) - 1;
// align 4x4 block to mode_info
if (a < 0)
a = 0;
assert(a >= 0);
return a;
return mi_width_log2_lookup[sb_type];
}
static INLINE int mi_height_log2(BLOCK_SIZE_TYPE sb_type) {
int a = b_height_log2(sb_type) - 1;
if (a < 0)
a = 0;
assert(a >= 0);
return a;
return mi_height_log2_lookup[sb_type];
}
typedef struct {

5
vp9/common/vp9_common_data.c
View File

@ -15,3 +15,8 @@ const int b_width_log2_lookup[BLOCK_SIZE_TYPES] =
{0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4};
const int b_height_log2_lookup[BLOCK_SIZE_TYPES] =
{0, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 4};
// Log 2 conversion lookup tables for modeinfo width and height
const int mi_width_log2_lookup[BLOCK_SIZE_TYPES] =
{0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3};
const int mi_height_log2_lookup[BLOCK_SIZE_TYPES] =
{0, 0, 0, 0, 1, 0, 1, 2, 1, 2, 3, 2, 3};

2
vp9/common/vp9_common_data.h
View File

@ -15,5 +15,7 @@
extern const int b_width_log2_lookup[BLOCK_SIZE_TYPES];
extern const int b_height_log2_lookup[BLOCK_SIZE_TYPES];
extern const int mi_width_log2_lookup[BLOCK_SIZE_TYPES];
extern const int mi_height_log2_lookup[BLOCK_SIZE_TYPES];
#endif // VP9_COMMON_VP9_COMMON_DATA_H