From 32e8763103f52ae7240910cd54e588300541cde7 Mon Sep 17 00:00:00 2001 From: Loren Merritt Date: Thu, 3 Aug 2006 06:07:13 +0000 Subject: [PATCH] another div -> fastdiv, another 2% faster vorbis. Originally committed as revision 5902 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/vorbis.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/vorbis.c b/libavcodec/vorbis.c index cdf7cee579..0bd318d6b1 100644 --- a/libavcodec/vorbis.c +++ b/libavcodec/vorbis.c @@ -1379,7 +1379,9 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa if (vqbook>=0) { 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]; if (vr->type==0) {