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| author | Loren Merritt <lorenm@u.washington.edu> | 2006-10-11 21:34:15 +0000 |
|---|---|---|
| committer | Loren Merritt <lorenm@u.washington.edu> | 2006-10-11 21:34:15 +0000 |
| commit | a957c27b037ae85b66405461d9541aeb9d4d2225 (patch) | |
| tree | 750179c82baf0a4ed297b23be1f5e050da69874b | |
| parent | 1f4d5e9f69e84f4d6cd78e31909f547d4d698ed8 (diff) | |
| download | ffmpeg-a957c27b037ae85b66405461d9541aeb9d4d2225.tar.gz | |
more prefetches, 2% faster h264
Originally committed as revision 6664 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/h264.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index e35bb4cd73..f159579d9c 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -3639,6 +3639,9 @@ static void hl_decode_mb(H264Context *h){ dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8; dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8; + s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4); + s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2); + if (MB_FIELD) { linesize = h->mb_linesize = s->linesize * 2; uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2; |