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Limit mv range to be based on partition size

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Previous change c4048dbd limits the mv search range assuming max block
size of 64x64, this commit change the search range using actual block
size instead.

Change-Id: Ibe07ab02b62bf64bd9f8675d2b997af20a2c7e11
This commit is contained in:
Yaowu Xu 2013-08-23 13:29:32 -07:00
parent 8e04257bc5
commit 13930cf569
2 changed files with 2 additions and 3 deletions
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1
vp9/common/vp9_enums.h
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@ -16,7 +16,6 @@
#define MI_SIZE_LOG2 3
#define MI_BLOCK_SIZE_LOG2 (6 - MI_SIZE_LOG2) // 64 = 2^6
#define MAX_BLOCK_SIZE (1 << 6) // max block size in pixel
#define MI_SIZE (1 << MI_SIZE_LOG2) // pixels per mi-unit
#define MI_BLOCK_SIZE (1 << MI_BLOCK_SIZE_LOG2) // mi-units per max block

4
vp9/encoder/vp9_encodeframe.c
View File

@ -503,8 +503,8 @@ static void set_offsets(VP9_COMP *cpi, int mi_row, int mi_col,
// Set up limit values for MV components
// mv beyond the range do not produce new/different prediction block
x->mv_row_min = -((mi_row * MI_SIZE) + MAX_BLOCK_SIZE + VP9_INTERP_EXTEND);
x->mv_col_min = -((mi_col * MI_SIZE) + MAX_BLOCK_SIZE + VP9_INTERP_EXTEND);
x->mv_row_min = -(((mi_row + mi_height) * MI_SIZE) + VP9_INTERP_EXTEND);
x->mv_col_min = -(((mi_col + mi_width) * MI_SIZE) + VP9_INTERP_EXTEND);
x->mv_row_max = (cm->mi_rows - mi_row) * MI_SIZE + VP9_INTERP_EXTEND;
x->mv_col_max = (cm->mi_cols - mi_col) * MI_SIZE + VP9_INTERP_EXTEND;