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ARNR filter pointer update bug fix

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In cases where the frame width is not a multiple of 16 the
ARNR filter would go wrong.

In vp8_temporal_filter_iterate_c when updating pointers
at the end of a row of MBs,  the image size was
incorrectly used rather than using Num_MBs_In_Row
times 16 (Y) or 8 (U,V).

This worked when width is multiple of 16 but failed
otherwise.

Change-Id: I008919062715bd3d17c7aa2562ab58d1cb37053a
This commit is contained in:
Adrian Grange 2011-01-14 15:04:39 +00:00
parent b082790c7d
commit 2c1b06e672
1 changed files with 6 additions and 6 deletions
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12
vp8/encoder/temporal_filter.c
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@ -290,8 +290,8 @@ static void vp8_temporal_filter_iterate_c
int mb_col, mb_row;
unsigned int filter_weight[MAX_LAG_BUFFERS];
unsigned char *mm_ptr = cpi->fp_motion_map;
int cols = cpi->common.mb_cols;
int rows = cpi->common.mb_rows;
int mb_cols = cpi->common.mb_cols;
int mb_rows = cpi->common.mb_rows;
int MBs = cpi->common.MBs;
int mb_y_offset = 0;
int mb_uv_offset = 0;
@ -314,7 +314,7 @@ static void vp8_temporal_filter_iterate_c
filter_weight[frame] = 1;
}
for (mb_row = 0; mb_row < rows; mb_row++)
for (mb_row = 0; mb_row < mb_rows; mb_row++)
{
#if ALT_REF_MC_ENABLED
// Reduced search extent by 3 for 6-tap filter & smaller UMV border
@ -323,7 +323,7 @@ static void vp8_temporal_filter_iterate_c
+ (VP8BORDERINPIXELS - 19);
#endif
for (mb_col = 0; mb_col < cols; mb_col++)
for (mb_col = 0; mb_col < mb_cols; mb_col++)
{
int i, j, k, w;
int weight_cap;
@ -497,8 +497,8 @@ static void vp8_temporal_filter_iterate_c
mb_uv_offset += 8;
}
mb_y_offset += 16*f->y_stride-f->y_width;
mb_uv_offset += 8*f->uv_stride-f->uv_width;
mb_y_offset += 16*(f->y_stride-mb_cols);
mb_uv_offset += 8*(f->uv_stride-mb_cols);
}
// Restore input state