[FFmpeg-cvslog] r16203 - trunk/libavcodec/h264.c

michael subversion
Thu Dec 18 02:10:51 CET 2008


Author: michael
Date: Thu Dec 18 02:10:51 2008
New Revision: 16203

Log:
Skip non intra luma code when there is no coded luma.
0.7% speedup for the cathedral sample.


Modified:
   trunk/libavcodec/h264.c

Modified: trunk/libavcodec/h264.c
==============================================================================
--- trunk/libavcodec/h264.c	(original)
+++ trunk/libavcodec/h264.c	Thu Dec 18 02:10:51 2008
@@ -2525,7 +2525,7 @@ static av_always_inline void hl_decode_m
                                 idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
                         }
                     }
-                }else{
+                }else if(h->cbp&15){
                     const int di = IS_8x8DCT(mb_type) ? 4 : 1;
                     for(i=0; i<16; i+=di){
                         int nnz = h->non_zero_count_cache[ scan8[i] ];




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