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ApplyFiltersAndEncode: only copy lossless stats

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this avoids a race with multi-threaded lossy + alpha compression

Change-Id: Ie437105f5a899ed28b9c8885b6ca5431092ce8f5
This commit is contained in:
James Zern 2015-02-12 19:44:25 -08:00
parent 3030f11525
commit 9bc0f922aa
1 changed files with 10 additions and 1 deletions
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11
src/enc/alpha.c
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@ -271,7 +271,16 @@ static int ApplyFiltersAndEncode(const uint8_t* alpha, int width, int height,
reduce_levels, effort_level, NULL, &best);
}
if (ok) {
if (stats != NULL) *stats = best.stats;
if (stats != NULL) {
stats->lossless_features = best.stats.lossless_features;
stats->histogram_bits = best.stats.histogram_bits;
stats->transform_bits = best.stats.transform_bits;
stats->cache_bits = best.stats.cache_bits;
stats->palette_size = best.stats.palette_size;
stats->lossless_size = best.stats.lossless_size;
stats->lossless_hdr_size = best.stats.lossless_hdr_size;
stats->lossless_data_size = best.stats.lossless_data_size;
}
*output_size = VP8BitWriterSize(&best.bw);
*output = VP8BitWriterBuf(&best.bw);
} else {