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update to libvpx b46243d from repo https://chromium.googlesource.com/webm/libvpx

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This commit is contained in:
Mike Jerris
2016-09-26 14:31:51 -04:00
parent 2b1f0da5c4
commit 8c5f0301f3
1008 changed files with 110177 additions and 201326 deletions
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59
libs/libvpx/vp9/encoder/vp9_aq_complexity.c
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@@ -19,21 +19,24 @@
#include "vp9/common/vp9_seg_common.h"
#include "vp9/encoder/vp9_segmentation.h"
#define AQ_C_SEGMENTS 5
#define DEFAULT_AQ2_SEG 3 // Neutral Q segment
#define AQ_C_SEGMENTS 5
#define DEFAULT_AQ2_SEG 3 // Neutral Q segment
#define AQ_C_STRENGTHS 3
static const double aq_c_q_adj_factor[AQ_C_STRENGTHS][AQ_C_SEGMENTS] =
{ {1.75, 1.25, 1.05, 1.00, 0.90},
{2.00, 1.50, 1.15, 1.00, 0.85},
{2.50, 1.75, 1.25, 1.00, 0.80} };
static const double aq_c_transitions[AQ_C_STRENGTHS][AQ_C_SEGMENTS] =
{ {0.15, 0.30, 0.55, 2.00, 100.0},
{0.20, 0.40, 0.65, 2.00, 100.0},
{0.25, 0.50, 0.75, 2.00, 100.0} };
static const double aq_c_var_thresholds[AQ_C_STRENGTHS][AQ_C_SEGMENTS] =
{ {-4.0, -3.0, -2.0, 100.00, 100.0},
{-3.5, -2.5, -1.5, 100.00, 100.0},
{-3.0, -2.0, -1.0, 100.00, 100.0} };
static const double aq_c_q_adj_factor[AQ_C_STRENGTHS][AQ_C_SEGMENTS] = {
{ 1.75, 1.25, 1.05, 1.00, 0.90 },
{ 2.00, 1.50, 1.15, 1.00, 0.85 },
{ 2.50, 1.75, 1.25, 1.00, 0.80 }
};
static const double aq_c_transitions[AQ_C_STRENGTHS][AQ_C_SEGMENTS] = {
{ 0.15, 0.30, 0.55, 2.00, 100.0 },
{ 0.20, 0.40, 0.65, 2.00, 100.0 },
{ 0.25, 0.50, 0.75, 2.00, 100.0 }
};
static const double aq_c_var_thresholds[AQ_C_STRENGTHS][AQ_C_SEGMENTS] = {
{ -4.0, -3.0, -2.0, 100.00, 100.0 },
{ -3.5, -2.5, -1.5, 100.00, 100.0 },
{ -3.0, -2.0, -1.0, 100.00, 100.0 }
};
static int get_aq_c_strength(int q_index, vpx_bit_depth_t bit_depth) {
// Approximate base quatizer (truncated to int)
@@ -49,7 +52,7 @@ void vp9_setup_in_frame_q_adj(VP9_COMP *cpi) {
vpx_clear_system_state();
if (frame_is_intra_only(cm) || cm->error_resilient_mode ||
cpi->refresh_alt_ref_frame ||
cpi->refresh_alt_ref_frame || cpi->force_update_segmentation ||
(cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref)) {
int segment;
const int aq_strength = get_aq_c_strength(cm->base_qindex, cm->bit_depth);
@@ -78,14 +81,11 @@ void vp9_setup_in_frame_q_adj(VP9_COMP *cpi) {
for (segment = 0; segment < AQ_C_SEGMENTS; ++segment) {
int qindex_delta;
if (segment == DEFAULT_AQ2_SEG)
continue;
qindex_delta =
vp9_compute_qdelta_by_rate(&cpi->rc, cm->frame_type, cm->base_qindex,
aq_c_q_adj_factor[aq_strength][segment],
cm->bit_depth);
if (segment == DEFAULT_AQ2_SEG) continue;
qindex_delta = vp9_compute_qdelta_by_rate(
&cpi->rc, cm->frame_type, cm->base_qindex,
aq_c_q_adj_factor[aq_strength][segment], cm->bit_depth);
// For AQ complexity mode, we dont allow Q0 in a segment if the base
// Q is not 0. Q0 (lossless) implies 4x4 only and in AQ mode 2 a segment
@@ -125,26 +125,25 @@ void vp9_caq_select_segment(VP9_COMP *cpi, MACROBLOCK *mb, BLOCK_SIZE bs,
} else {
// Rate depends on fraction of a SB64 in frame (xmis * ymis / bw * bh).
// It is converted to bits * 256 units.
const int target_rate = (cpi->rc.sb64_target_rate * xmis * ymis * 256) /
(bw * bh);
const int target_rate =
(cpi->rc.sb64_target_rate * xmis * ymis * 256) / (bw * bh);
double logvar;
double low_var_thresh;
const int aq_strength = get_aq_c_strength(cm->base_qindex, cm->bit_depth);
vpx_clear_system_state();
low_var_thresh = (cpi->oxcf.pass == 2)
? VPXMAX(cpi->twopass.mb_av_energy, MIN_DEFAULT_LV_THRESH)
: DEFAULT_LV_THRESH;
low_var_thresh = (cpi->oxcf.pass == 2) ? VPXMAX(cpi->twopass.mb_av_energy,
MIN_DEFAULT_LV_THRESH)
: DEFAULT_LV_THRESH;
vp9_setup_src_planes(mb, cpi->Source, mi_row, mi_col);
logvar = vp9_log_block_var(cpi, mb, bs);
segment = AQ_C_SEGMENTS - 1; // Just in case no break out below.
segment = AQ_C_SEGMENTS - 1; // Just in case no break out below.
for (i = 0; i < AQ_C_SEGMENTS; ++i) {
// Test rate against a threshold value and variance against a threshold.
// Increasing segment number (higher variance and complexity) = higher Q.
if ((projected_rate <
target_rate * aq_c_transitions[aq_strength][i]) &&
if ((projected_rate < target_rate * aq_c_transitions[aq_strength][i]) &&
(logvar < (low_var_thresh + aq_c_var_thresholds[aq_strength][i]))) {
segment = i;
break;