Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(832)

Unified Diff: patched-ffmpeg-mt/libavcodec/h264_mvpred.h

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: patched-ffmpeg-mt/libavcodec/h264_mvpred.h
===================================================================
--- patched-ffmpeg-mt/libavcodec/h264_mvpred.h (revision 41250)
+++ patched-ffmpeg-mt/libavcodec/h264_mvpred.h (working copy)
@@ -43,32 +43,33 @@
* make mbaff happy, so we can't move all this logic to fill_caches */
if(FRAME_MBAFF){
-#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
- const int x4 = X4, y4 = Y4;\
- const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
+#define SET_DIAG_MV(MV_OP, REF_OP, XY, Y4)\
+ const int xy = XY, y4 = Y4;\
+ const int mb_type = mb_types[xy+(y4>>2)*s->mb_stride];\
if(!USES_LIST(mb_type,list))\
return LIST_NOT_USED;\
- mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
+ mv = s->current_picture_ptr->motion_val[list][h->mb2b_xy[xy]+3 + y4*h->b_stride];\
h->mv_cache[list][scan8[0]-2][0] = mv[0];\
h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
- return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
+ return s->current_picture_ptr->ref_index[list][4*xy+1 + (y4&~1)] REF_OP;
if(topright_ref == PART_NOT_AVAILABLE
&& i >= scan8[0]+8 && (i&7)==4
&& h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
const uint32_t *mb_types = s->current_picture_ptr->mb_type;
const int16_t *mv;
- *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
+ AV_ZERO32(h->mv_cache[list][scan8[0]-2]);
*C = h->mv_cache[list][scan8[0]-2];
if(!MB_FIELD
- && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
- SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
+ && IS_INTERLACED(h->left_type[0])){
+ SET_DIAG_MV(*2, >>1, h->left_mb_xy[0]+s->mb_stride, (s->mb_y&1)*2+(i>>5));
+ assert(h->left_mb_xy[0] == h->left_mb_xy[1]);
}
if(MB_FIELD
- && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
+ && !IS_INTERLACED(h->left_type[0])){
// left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK.
- SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
+ SET_DIAG_MV(/2, <<1, h->left_mb_xy[i>=36], ((i>>2))&3);
}
}
#undef SET_DIAG_MV
@@ -220,8 +221,8 @@
tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
- || !( top_ref | *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ])
- || !(left_ref | *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ])){
+ || !( top_ref | AV_RN32A(h->mv_cache[0][ scan8[0] - 8 ]))
+ || !(left_ref | AV_RN32A(h->mv_cache[0][ scan8[0] - 1 ]))){
*mx = *my = 0;
return;

Powered by Google App Engine
This is Rietveld 408576698