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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
This commit is contained in:
Loren Merritt 2006-08-03 02:18:07 +00:00
parent 27dc20a071
commit 7bf0049623
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vorbis.c
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@ -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);