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| author | Loren Merritt <lorenm@u.washington.edu> | 2006-08-03 02:18:07 +0000 |
|---|---|---|
| committer | Loren Merritt <lorenm@u.washington.edu> | 2006-08-03 02:18:07 +0000 |
| commit | 7bf0049623652b92a566999d37f0b481c2056d6e (patch) | |
| tree | 38b27e698a68389f7d84b5cdf93cc457c62d3347 /libavcodec | |
| parent | 27dc20a0711c30eda026a56b4915ea1a6ed70b68 (diff) | |
| download | ffmpeg-7bf0049623652b92a566999d37f0b481c2056d6e.tar.gz | |
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
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/vorbis.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); |