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Properly handle the boundary blocks for integral projection search

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Use rectangular block size for integral projection motion estimation
if the the 64x64 block has over half block outside the frame. This
avoids the issue that the motion information of these blocks is
dominated by the extended pixels, instead of the pixels of interest.

Change-Id: I22f4d2bb7f6a20db9b3f5e2e5463a7f4b9d1b737
This commit is contained in:
Jingning Han 2015-03-02 13:51:12 -08:00
parent 6e5115e12e
commit e5fe165840
1 changed files with 11 additions and 1 deletions
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12
vp9/encoder/vp9_encodeframe.c
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@ -715,6 +715,7 @@ static void choose_partitioning(VP9_COMP *cpi,
unsigned int var = 0, uv_sse;
#if GLOBAL_MOTION
unsigned int y_sse;
BLOCK_SIZE bsize;
#endif
vp9_setup_pre_planes(xd, 0, yv12, mi_row, mi_col,
&cm->frame_refs[LAST_FRAME - 1].sf);
@ -725,7 +726,16 @@ static void choose_partitioning(VP9_COMP *cpi,
mbmi->interp_filter = BILINEAR;
#if GLOBAL_MOTION
y_sse = motion_estimation(cpi, x, BLOCK_64X64);
if (mi_row + 4 < cm->mi_rows && mi_col + 4 < cm->mi_cols)
bsize = BLOCK_64X64;
else if (mi_row + 4 < cm->mi_rows && mi_col + 4 >= cm->mi_cols)
bsize = BLOCK_32X64;
else if (mi_row + 4 >= cm->mi_rows && mi_col + 4 < cm->mi_cols)
bsize = BLOCK_64X32;
else
bsize = BLOCK_32X32;
y_sse = motion_estimation(cpi, x, bsize);
#endif
vp9_build_inter_predictors_sb(xd, mi_row, mi_col, BLOCK_64X64);