diff options
author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2016-03-06 17:28:42 +0100 |
---|---|---|
committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2016-03-08 23:56:51 +0100 |
commit | b91e3763905ad95602f2b4e91d37415692573248 (patch) | |
tree | e1d41e6d4d080ab85612d599c43d21608920f434 /libavcodec/aacenc_quantization_misc.h | |
parent | b3e0371818917364be0b2f4b24831b4ed987392f (diff) |
aacenc: use generational cache instead of resetting.
Approximately 11% faster transcoding from mp3 with
default settings.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Diffstat (limited to 'libavcodec/aacenc_quantization_misc.h')
-rw-r--r-- | libavcodec/aacenc_quantization_misc.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/aacenc_quantization_misc.h b/libavcodec/aacenc_quantization_misc.h index eaa71c9689..28676ca8d5 100644 --- a/libavcodec/aacenc_quantization_misc.h +++ b/libavcodec/aacenc_quantization_misc.h @@ -36,11 +36,12 @@ static inline float quantize_band_cost_cached(struct AACEncContext *s, int w, in AACQuantizeBandCostCacheEntry *entry; av_assert1(scale_idx >= 0 && scale_idx < 256); entry = &s->quantize_band_cost_cache[scale_idx][w*16+g]; - if (entry->bits < 0 || entry->cb != cb || entry->rtz != rtz) { + if (entry->generation != s->quantize_band_cost_cache_generation || entry->cb != cb || entry->rtz != rtz) { entry->rd = quantize_band_cost(s, in, scaled, size, scale_idx, cb, lambda, uplim, &entry->bits, &entry->energy, rtz); entry->cb = cb; entry->rtz = rtz; + entry->generation = s->quantize_band_cost_cache_generation; } if (bits) *bits = entry->bits; |