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Cleaning up is_background().

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Change-Id: I2b9609dd22bacbf26e669f70bf155613b0316eb3
This commit is contained in:
Dmitry Kovalev 2014-08-25 11:55:30 -07:00
parent dccddfdfbc
commit e576c42f1b
1 changed files with 11 additions and 19 deletions
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30
vp9/encoder/vp9_encodeframe.c
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@ -1232,30 +1232,23 @@ static void set_source_var_based_partition(VP9_COMP *cpi,
}
}
static int is_background(VP9_COMP *cpi, const TileInfo *const tile,
static int is_background(const VP9_COMP *cpi, const TileInfo *const tile,
int mi_row, int mi_col) {
MACROBLOCK *x = &cpi->mb;
uint8_t *src, *pre;
int src_stride, pre_stride;
// This assumes the input source frames are of the same dimension.
const int row8x8_remaining = tile->mi_row_end - mi_row;
const int col8x8_remaining = tile->mi_col_end - mi_col;
const int x = mi_col * MI_SIZE;
const int y = mi_row * MI_SIZE;
const int src_stride = cpi->Source->y_stride;
const uint8_t *const src = &cpi->Source->y_buffer[y * src_stride + x];
const int pre_stride = cpi->Last_Source->y_stride;
const uint8_t *const pre = &cpi->Last_Source->y_buffer[y * pre_stride + x];
int this_sad = 0;
int threshold = 0;
// This assumes the input source frames are of the same dimension.
src_stride = cpi->Source->y_stride;
src = cpi->Source->y_buffer + (mi_row * MI_SIZE) * src_stride +
(mi_col * MI_SIZE);
pre_stride = cpi->Last_Source->y_stride;
pre = cpi->Last_Source->y_buffer + (mi_row * MI_SIZE) * pre_stride +
(mi_col * MI_SIZE);
if (row8x8_remaining >= MI_BLOCK_SIZE &&
col8x8_remaining >= MI_BLOCK_SIZE) {
this_sad = cpi->fn_ptr[BLOCK_64X64].sdf(src, src_stride,
pre, pre_stride);
this_sad = cpi->fn_ptr[BLOCK_64X64].sdf(src, src_stride, pre, pre_stride);
threshold = (1 << 12);
} else {
int r, c;
@ -1266,8 +1259,7 @@ static int is_background(VP9_COMP *cpi, const TileInfo *const tile,
threshold = (row8x8_remaining * col8x8_remaining) << 6;
}
x->in_static_area = (this_sad < 2 * threshold);
return x->in_static_area;
return this_sad < 2 * threshold;
}
static int sb_has_motion(const VP9_COMMON *cm, MODE_INFO **prev_mi_8x8,
@ -3119,7 +3111,7 @@ static void encode_nonrd_sb_row(VP9_COMP *cpi, const TileInfo *const tile,
break;
case REFERENCE_PARTITION:
if (sf->partition_check ||
!is_background(cpi, tile, mi_row, mi_col)) {
!(x->in_static_area = is_background(cpi, tile, mi_row, mi_col))) {
set_modeinfo_offsets(cm, xd, mi_row, mi_col);
auto_partition_range(cpi, tile, mi_row, mi_col,
&sf->min_partition_size,