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another div -> fastdiv, another 2% faster vorbis.

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Originally committed as revision 5902 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt 2006-08-03 06:07:13 +00:00
parent c198597864
commit 32e8763103
1 changed files with 3 additions and 1 deletions
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4
libavcodec/vorbis.c
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@ -1379,7 +1379,9 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
if (vqbook>=0) { if (vqbook>=0) {
uint_fast16_t coffs; uint_fast16_t coffs;
uint_fast16_t step=vr->partition_size/vc->codebooks[vqbook].dimensions; uint_fast8_t dim= vc->codebooks[vqbook].dimensions;
uint_fast16_t step= dim==1 ? vr->partition_size
: FASTDIV(vr->partition_size, dim);
vorbis_codebook codebook= vc->codebooks[vqbook]; vorbis_codebook codebook= vc->codebooks[vqbook];
if (vr->type==0) { if (vr->type==0) {