dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-15 21:39:59 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Implement progress report (and user abort)

Browse Source 
New cwebp flag is -progress

Change-Id: Ied872cca13f512036860783bbee1bdbccad72768
This commit is contained in:
Pascal Massimino
2011-12-01 02:24:50 -08:00
committed by James Zern
parent eda520a92e
commit 30971c9e95
14 changed files with 160 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
src/enc/frame.c
View File

@ -560,6 +560,7 @@ static void ResetAfterSkip(VP8EncIterator* const it) {
int VP8EncLoop(VP8Encoder* const enc) {
int i, s, p;
int ok = 1;
VP8EncIterator it;
VP8ModeScore info;
const int dont_use_skip = !enc->proba_.use_skip_proba_;
@ -595,12 +596,17 @@ int VP8EncLoop(VP8Encoder* const enc) {
StoreSideInfo(&it);
VP8StoreFilterStats(&it);
VP8IteratorExport(&it);
} while (VP8IteratorNext(&it, it.yuv_out_));
VP8AdjustFilterStrength(&it);
ok = VP8IteratorProgress(&it, 20);
} while (ok && VP8IteratorNext(&it, it.yuv_out_));
if (ok) {
VP8AdjustFilterStrength(&it);
}
// Finalize the partitions
for (p = 0; p < enc->num_parts_; ++p) {
VP8BitWriterFinish(enc->parts_ + p);
ok &= !enc->parts_[p].error_;
}
// and byte counters
if (enc->pic_->stats) {
@ -610,7 +616,10 @@ int VP8EncLoop(VP8Encoder* const enc) {
}
}
}
return 1;
if (!ok) { // need to do some memory cleanup
VP8EncFreeBitWriters(enc);
}
return ok;
}
//------------------------------------------------------------------------------
@ -622,7 +631,7 @@ int VP8EncLoop(VP8Encoder* const enc) {
#define kHeaderSizeEstimate (15 + 20 + 10) // TODO: fix better
static int OneStatPass(VP8Encoder* const enc, float q, int rd_opt, int nb_mbs,
float* const PSNR) {
float* const PSNR, int percent_delta) {
VP8EncIterator it;
uint64_t size = 0;
uint64_t distortion = 0;
@ -651,6 +660,8 @@ static int OneStatPass(VP8Encoder* const enc, float q, int rd_opt, int nb_mbs,
RecordResiduals(&it, &info);
size += info.R;
distortion += info.D;
if (percent_delta && !VP8IteratorProgress(&it, percent_delta))
return 0;
} while (VP8IteratorNext(&it, it.yuv_out_) && --nb_mbs > 0);
size += FinalizeSkipProba(enc);
size += FinalizeTokenProbas(enc);
@ -671,6 +682,10 @@ int VP8StatLoop(VP8Encoder* const enc) {
(enc->config_->target_size > 0 || enc->config_->target_PSNR > 0);
const int fast_probe = (enc->method_ < 2 && !do_search);
float q = enc->config_->quality;
const int max_passes = enc->config_->pass;
const int task_percent = 20;
const int percent_per_pass = (task_percent + max_passes / 2) / max_passes;
const int final_percent = enc->percent_ + task_percent;
int pass;
int nb_mbs;
@ -680,36 +695,38 @@ int VP8StatLoop(VP8Encoder* const enc) {
// No target size: just do several pass without changing 'q'
if (!do_search) {
for (pass = 0; pass < enc->config_->pass; ++pass) {
for (pass = 0; pass < max_passes; ++pass) {
const int rd_opt = (enc->method_ > 2);
OneStatPass(enc, q, rd_opt, nb_mbs, NULL);
if (!OneStatPass(enc, q, rd_opt, nb_mbs, NULL, percent_per_pass)) {
return 0;
}
}
return 1;
}
// binary search for a size close to target
for (pass = 0; pass < enc->config_->pass && (dqs[pass] > 0); ++pass) {
const int rd_opt = 1;
float PSNR;
int criterion;
const int size = OneStatPass(enc, q, rd_opt, nb_mbs, &PSNR);
} else {
// binary search for a size close to target
for (pass = 0; pass < max_passes && (dqs[pass] > 0); ++pass) {
const int rd_opt = 1;
float PSNR;
int criterion;
const int size = OneStatPass(enc, q, rd_opt, nb_mbs, &PSNR,
percent_per_pass);
#if DEBUG_SEARCH
printf("#%d size=%d PSNR=%.2f q=%.2f\n", pass, size, PSNR, q);
printf("#%d size=%d PSNR=%.2f q=%.2f\n", pass, size, PSNR, q);
#endif
if (enc->config_->target_PSNR > 0) {
criterion = (PSNR < enc->config_->target_PSNR);
} else {
criterion = (size < enc->config_->target_size);
}
// dichotomize
if (criterion) {
q += dqs[pass];
} else {
q -= dqs[pass];
if (!size) return 0;
if (enc->config_->target_PSNR > 0) {
criterion = (PSNR < enc->config_->target_PSNR);
} else {
criterion = (size < enc->config_->target_size);
}
// dichotomize
if (criterion) {
q += dqs[pass];
} else {
q -= dqs[pass];
}
}
}
return 1;
return WebPReportProgress(enc, final_percent);
}
//------------------------------------------------------------------------------