ac3enc: move ff_ac3_encode_frame() to ac3enc_template.c

[ffmpeg] / libavcodec / h264_mvpred.h

diff --git a/libavcodec/h264_mvpred.h b/libavcodec/h264_mvpred.h
index 675187d90652c2d33d903fec40e9fd55b1821d2f..1359072dc8563fce0b9cffcc7b96324e3e801d76 100644 (file)
--- a/libavcodec/h264_mvpred.h
+++ b/libavcodec/h264_mvpred.h
@@ -2,25 +2,25 @@
  * H.26L/H.264/AVC/JVT/14496-10/... motion vector predicion
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file libavcodec/h264_mvpred.h
+ * @file
  * H.264 / AVC / MPEG4 part10 motion vector predicion.
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
@@ -42,40 +42,34 @@ static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, in
     /* there is no consistent mapping of mvs to neighboring locations that will
      * make mbaff happy, so we can't move all this logic to fill_caches */
     if(FRAME_MBAFF){
-        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;
-        *C = h->mv_cache[list][scan8[0]-2];
-
-        if(!MB_FIELD
-           && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
-            int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
-            if(IS_INTERLACED(mb_types[topright_xy])){
-#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;
 
-                SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
-            }
-        }
         if(topright_ref == PART_NOT_AVAILABLE
-           && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
+           && 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;
+            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]])
-               && i >= scan8[0]+8){
+               && !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
@@ -227,8 +221,8 @@ static inline void pred_pskip_motion(H264Context * const h, int * const mx, int
     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;