dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2024-11-20 12:28:26 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge "use NULL for lf_stats_ testing, not bool"

Browse Source
This commit is contained in:
Pascal Massimino 2013-09-04 07:18:42 -07:00 committed by Gerrit Code Review
commit 2fd091c9ae
1 changed files with 22 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
src/enc/filter.c
View File

@ -340,13 +340,13 @@ static double GetMBSSIM(const uint8_t* yuv1, const uint8_t* yuv2) {
// loop filter strength
void VP8InitFilter(VP8EncIterator* const it) {
int s, i;
if (!it->lf_stats_) return;
InitTables();
for (s = 0; s < NUM_MB_SEGMENTS; s++) {
for (i = 0; i < MAX_LF_LEVELS; i++) {
(*it->lf_stats_)[s][i] = 0;
if (it->lf_stats_ != NULL) {
int s, i;
InitTables();
for (s = 0; s < NUM_MB_SEGMENTS; s++) {
for (i = 0; i < MAX_LF_LEVELS; i++) {
(*it->lf_stats_)[s][i] = 0;
}
}
}
}
@ -361,7 +361,7 @@ void VP8StoreFilterStats(VP8EncIterator* const it) {
const int delta_max = it->enc_->dqm_[s].quant_;
const int step_size = (delta_max - delta_min >= 4) ? 4 : 1;
if (!it->lf_stats_) return;
if (it->lf_stats_ == NULL) return;
// NOTE: Currently we are applying filter only across the sublock edges
// There are two reasons for that.
@ -385,24 +385,22 @@ void VP8StoreFilterStats(VP8EncIterator* const it) {
}
void VP8AdjustFilterStrength(VP8EncIterator* const it) {
int s;
VP8Encoder* const enc = it->enc_;
if (!it->lf_stats_) {
return;
}
for (s = 0; s < NUM_MB_SEGMENTS; s++) {
int i, best_level = 0;
// Improvement over filter level 0 should be at least 1e-5 (relatively)
double best_v = 1.00001 * (*it->lf_stats_)[s][0];
for (i = 1; i < MAX_LF_LEVELS; i++) {
const double v = (*it->lf_stats_)[s][i];
if (v > best_v) {
best_v = v;
best_level = i;
if (it->lf_stats_ != NULL) {
int s;
VP8Encoder* const enc = it->enc_;
for (s = 0; s < NUM_MB_SEGMENTS; s++) {
int i, best_level = 0;
// Improvement over filter level 0 should be at least 1e-5 (relatively)
double best_v = 1.00001 * (*it->lf_stats_)[s][0];
for (i = 1; i < MAX_LF_LEVELS; i++) {
const double v = (*it->lf_stats_)[s][i];
if (v > best_v) {
best_v = v;
best_level = i;
}
}
enc->dqm_[s].fstrength_ = best_level;
}
enc->dqm_[s].fstrength_ = best_level;
}
}