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Merge "Rename vbp thresholds"

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This commit is contained in:
Yunqing Wang 2015-03-31 16:33:30 -07:00 committed by Gerrit Code Review
commit fc98114761
2 changed files with 19 additions and 20 deletions
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33
vp9/encoder/vp9_encodeframe.c
View File

@ -482,9 +482,9 @@ void vp9_set_vbp_thresholds(VP9_COMP *cpi, int q) {
} else {
VP9_COMMON *const cm = &cpi->common;
const int is_key_frame = (cm->frame_type == KEY_FRAME);
const int threshold_multiplier = is_key_frame ? 80 : 4;
const int threshold_multiplier = is_key_frame ? 20 : 1;
const int64_t threshold_base = (int64_t)(threshold_multiplier *
vp9_convert_qindex_to_q(q, cm->bit_depth));
cpi->y_dequant[q][1]);
// TODO(marpan): Allow 4x4 partitions for inter-frames.
// use_4x4_partition = (variance4x4downsample[i2 + j] == 1);
@ -492,21 +492,20 @@ void vp9_set_vbp_thresholds(VP9_COMP *cpi, int q) {
// if variance of 16x16 block is very high, so use larger threshold
// for 16x16 (threshold_bsize_min) in that case.
if (is_key_frame) {
cpi->vbp_threshold = threshold_base >> 2;
cpi->vbp_threshold_bsize_max = threshold_base;
cpi->vbp_threshold_bsize_min = threshold_base << 2;
cpi->vbp_threshold_16x16 = cpi->vbp_threshold;
cpi->vbp_threshold_64x64 = threshold_base;
cpi->vbp_threshold_32x32 = threshold_base >> 2;
cpi->vbp_threshold_16x16 = threshold_base >> 2;
cpi->vbp_threshold_8x8 = threshold_base << 2;
cpi->vbp_bsize_min = BLOCK_8X8;
} else {
cpi->vbp_threshold = threshold_base;
cpi->vbp_threshold_32x32 = threshold_base;
if (cm->width <= 352 && cm->height <= 288) {
cpi->vbp_threshold_bsize_max = threshold_base >> 2;
cpi->vbp_threshold_bsize_min = threshold_base << 3;
cpi->vbp_threshold_64x64 = threshold_base >> 2;
cpi->vbp_threshold_16x16 = threshold_base << 3;
} else {
cpi->vbp_threshold_bsize_max = threshold_base;
cpi->vbp_threshold_bsize_min = threshold_base << cpi->oxcf.speed;
cpi->vbp_threshold_64x64 = threshold_base;
cpi->vbp_threshold_16x16 = threshold_base << cpi->oxcf.speed;
}
cpi->vbp_threshold_16x16 = cpi->vbp_threshold_bsize_min;
cpi->vbp_bsize_min = BLOCK_16X16;
}
}
@ -692,7 +691,7 @@ static void choose_partitioning(VP9_COMP *cpi,
}
if (is_key_frame || (low_res &&
vt.split[i].split[j].part_variances.none.variance >
(cpi->vbp_threshold << 1))) {
(cpi->vbp_threshold_32x32 << 1))) {
// Go down to 4x4 down-sampling for variance.
variance4x4downsample[i2 + j] = 1;
for (k = 0; k < 4; k++) {
@ -757,7 +756,7 @@ static void choose_partitioning(VP9_COMP *cpi,
// If variance of this 32x32 block is above the threshold, force the block
// to split. This also forces a split on the upper (64x64) level.
get_variance(&vt.split[i].part_variances.none);
if (vt.split[i].part_variances.none.variance > cpi->vbp_threshold) {
if (vt.split[i].part_variances.none.variance > cpi->vbp_threshold_32x32) {
force_split[i + 1] = 1;
force_split[0] = 1;
}
@ -769,7 +768,7 @@ static void choose_partitioning(VP9_COMP *cpi,
// we get to one that's got a variance lower than our threshold.
if ( mi_col + 8 > cm->mi_cols || mi_row + 8 > cm->mi_rows ||
!set_vt_partitioning(cpi, xd, &vt, BLOCK_64X64, mi_row, mi_col,
cpi->vbp_threshold_bsize_max, BLOCK_16X16,
cpi->vbp_threshold_64x64, BLOCK_16X16,
force_split[0])) {
for (i = 0; i < 4; ++i) {
const int x32_idx = ((i & 1) << 2);
@ -777,7 +776,7 @@ static void choose_partitioning(VP9_COMP *cpi,
const int i2 = i << 2;
if (!set_vt_partitioning(cpi, xd, &vt.split[i], BLOCK_32X32,
(mi_row + y32_idx), (mi_col + x32_idx),
cpi->vbp_threshold,
cpi->vbp_threshold_32x32,
BLOCK_16X16, force_split[i + 1])) {
for (j = 0; j < 4; ++j) {
const int x16_idx = ((j & 1) << 1);
@ -801,7 +800,7 @@ static void choose_partitioning(VP9_COMP *cpi,
BLOCK_8X8,
mi_row + y32_idx + y16_idx + y8_idx,
mi_col + x32_idx + x16_idx + x8_idx,
cpi->vbp_threshold_bsize_min,
cpi->vbp_threshold_8x8,
BLOCK_8X8, 0)) {
set_block_size(cpi, xd,
(mi_row + y32_idx + y16_idx + y8_idx),

6
vp9/encoder/vp9_encoder.h
View File

@ -460,10 +460,10 @@ typedef struct VP9_COMP {
int resize_pending;
// VAR_BASED_PARTITION thresholds
int64_t vbp_threshold;
int64_t vbp_threshold_bsize_min;
int64_t vbp_threshold_bsize_max;
int64_t vbp_threshold_64x64;
int64_t vbp_threshold_32x32;
int64_t vbp_threshold_16x16;
int64_t vbp_threshold_8x8;
BLOCK_SIZE vbp_bsize_min;
// Multi-threading