From 7bf0049623652b92a566999d37f0b481c2056d6e Mon Sep 17 00:00:00 2001 From: Loren Merritt Date: Thu, 3 Aug 2006 02:18:07 +0000 Subject: int16_t is faster than int_fast16_t for division. 2% faster vorbis (on a K8). Originally committed as revision 5897 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/vorbis.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libavcodec') diff --git a/libavcodec/vorbis.c b/libavcodec/vorbis.c index de3688c913..9adec4bed7 100644 --- a/libavcodec/vorbis.c +++ b/libavcodec/vorbis.c @@ -1192,7 +1192,7 @@ static uint_fast8_t vorbis_floor1_decode(vorbis_context *vc, vorbis_floor_data * adx=vf->x_list[high_neigh_offs]-vf->x_list[low_neigh_offs]; ady= ABS(dy); err=ady*(vf->x_list[i]-vf->x_list[low_neigh_offs]); - off=err/adx; + off=(int16_t)err/(int16_t)adx; if (dy<0) { predicted=floor1_Y_final[low_neigh_offs]-off; } else { @@ -1252,7 +1252,7 @@ static uint_fast8_t vorbis_floor1_decode(vorbis_context *vc, vorbis_floor_data * dy=hy-ly; adx=hx-lx; ady= (dy<0) ? -dy:dy;//ABS(dy); - base=dy/adx; + base=(int16_t)dy/(int16_t)adx; AV_DEBUG(" dy %d adx %d base %d = %d \n", dy, adx, base, dy/adx); -- cgit v1.2.3