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[libvpx] Update to v1.8.1 from https://chromium.googlesource.com/webm/libvpx

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This commit is contained in:
Anthony Minessale
2019-09-11 15:51:47 +00:00
committed by Andrey Volk
parent 34fcadbd53
commit ceb051af4e
821 changed files with 89961 additions and 48650 deletions
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54
libs/libvpx/vp9/encoder/vp9_segmentation.c
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@@ -9,6 +9,7 @@
*/
#include <limits.h>
#include <math.h>
#include "vpx_mem/vpx_mem.h"
@@ -46,6 +47,59 @@ void vp9_clear_segdata(struct segmentation *seg, int segment_id,
seg->feature_data[segment_id][feature_id] = 0;
}
void vp9_psnr_aq_mode_setup(struct segmentation *seg) {
int i;
vp9_enable_segmentation(seg);
vp9_clearall_segfeatures(seg);
seg->abs_delta = SEGMENT_DELTADATA;
for (i = 0; i < MAX_SEGMENTS; ++i) {
vp9_set_segdata(seg, i, SEG_LVL_ALT_Q, 2 * (i - (MAX_SEGMENTS / 2)));
vp9_enable_segfeature(seg, i, SEG_LVL_ALT_Q);
}
}
void vp9_perceptual_aq_mode_setup(struct VP9_COMP *cpi,
struct segmentation *seg) {
const VP9_COMMON *cm = &cpi->common;
const int seg_counts = cpi->kmeans_ctr_num;
const int base_qindex = cm->base_qindex;
const double base_qstep = vp9_convert_qindex_to_q(base_qindex, cm->bit_depth);
const double mid_ctr = cpi->kmeans_ctr_ls[seg_counts / 2];
const double var_diff_scale = 4.0;
int i;
assert(seg_counts <= MAX_SEGMENTS);
vp9_enable_segmentation(seg);
vp9_clearall_segfeatures(seg);
seg->abs_delta = SEGMENT_DELTADATA;
for (i = 0; i < seg_counts / 2; ++i) {
double wiener_var_diff = mid_ctr - cpi->kmeans_ctr_ls[i];
double target_qstep = base_qstep / (1.0 + wiener_var_diff / var_diff_scale);
int target_qindex = vp9_convert_q_to_qindex(target_qstep, cm->bit_depth);
assert(wiener_var_diff >= 0.0);
vp9_set_segdata(seg, i, SEG_LVL_ALT_Q, target_qindex - base_qindex);
vp9_enable_segfeature(seg, i, SEG_LVL_ALT_Q);
}
vp9_set_segdata(seg, i, SEG_LVL_ALT_Q, 0);
vp9_enable_segfeature(seg, i, SEG_LVL_ALT_Q);
for (; i < seg_counts; ++i) {
double wiener_var_diff = cpi->kmeans_ctr_ls[i] - mid_ctr;
double target_qstep = base_qstep * (1.0 + wiener_var_diff / var_diff_scale);
int target_qindex = vp9_convert_q_to_qindex(target_qstep, cm->bit_depth);
assert(wiener_var_diff >= 0.0);
vp9_set_segdata(seg, i, SEG_LVL_ALT_Q, target_qindex - base_qindex);
vp9_enable_segfeature(seg, i, SEG_LVL_ALT_Q);
}
}
// Based on set of segment counts calculate a probability tree
static void calc_segtree_probs(int *segcounts, vpx_prob *segment_tree_probs) {
// Work out probabilities of each segment