build: Fix CAF demuxer dependencies

[ffmpeg] / libavcodec / rv34.c

diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index 3ad1717d13a0ac25dfa79e0c000c42be2a83233c..beecf67e283807bdd9f64afa5b5b1da6215c8715 100644 (file)
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -260,20 +260,15 @@ static inline void decode_subblock1(DCTELEM *dst, int code, GetBitContext *gb, V
     decode_coeff(dst, coeff, 3, gb, vlc, q);
 }
 
-static inline void decode_subblock3(DCTELEM *dst, int code, const int is_block2, GetBitContext *gb, VLC *vlc,
+static inline void decode_subblock3(DCTELEM *dst, int code, GetBitContext *gb, VLC *vlc,
                                     int q_dc, int q_ac1, int q_ac2)
 {
     int flags = modulo_three_table[code];
 
-    decode_coeff(    dst+0*4+0, (flags >> 6)    , 3, gb, vlc, q_dc);
-    if(is_block2){
-        decode_coeff(dst+1*4+0, (flags >> 4) & 3, 2, gb, vlc, q_ac1);
-        decode_coeff(dst+0*4+1, (flags >> 2) & 3, 2, gb, vlc, q_ac1);
-    }else{
-        decode_coeff(dst+0*4+1, (flags >> 4) & 3, 2, gb, vlc, q_ac1);
-        decode_coeff(dst+1*4+0, (flags >> 2) & 3, 2, gb, vlc, q_ac1);
-    }
-    decode_coeff(    dst+1*4+1, (flags >> 0) & 3, 2, gb, vlc, q_ac2);
+    decode_coeff(dst+0*4+0, (flags >> 6)    , 3, gb, vlc, q_dc);
+    decode_coeff(dst+0*4+1, (flags >> 4) & 3, 2, gb, vlc, q_ac1);
+    decode_coeff(dst+1*4+0, (flags >> 2) & 3, 2, gb, vlc, q_ac1);
+    decode_coeff(dst+1*4+1, (flags >> 0) & 3, 2, gb, vlc, q_ac2);
 }
 
 /**
@@ -287,7 +282,7 @@ static inline void decode_subblock3(DCTELEM *dst, int code, const int is_block2,
  *  o--o
  */
 
-static inline int rv34_decode_block(DCTELEM *dst, GetBitContext *gb, RV34VLC *rvlc, int fc, int sc, int q_dc, int q_ac1, int q_ac2)
+static int rv34_decode_block(DCTELEM *dst, GetBitContext *gb, RV34VLC *rvlc, int fc, int sc, int q_dc, int q_ac1, int q_ac2)
 {
     int code, pattern, has_ac = 1;
 
@@ -298,7 +293,7 @@ static inline int rv34_decode_block(DCTELEM *dst, GetBitContext *gb, RV34VLC *rv
     code >>= 3;
 
     if (modulo_three_table[code] & 0x3F) {
-        decode_subblock3(dst, code, 0, gb, &rvlc->coefficient, q_dc, q_ac1, q_ac2);
+        decode_subblock3(dst, code, gb, &rvlc->coefficient, q_dc, q_ac1, q_ac2);
     } else {
         decode_subblock1(dst, code, gb, &rvlc->coefficient, q_dc);
         if (!pattern)
@@ -318,7 +313,7 @@ static inline int rv34_decode_block(DCTELEM *dst, GetBitContext *gb, RV34VLC *rv
         code = get_vlc2(gb, rvlc->third_pattern[sc].table, 9, 2);
         decode_subblock(dst + 4*2+2, code, 0, gb, &rvlc->coefficient, q_ac2);
     }
-    return has_ac || pattern;
+    return has_ac | pattern;
 }
 
 /**
@@ -521,7 +516,7 @@ static void rv34_pred_mv(RV34DecContext *r, int block_type, int subblock_no, int
  */
 static int calc_add_mv(RV34DecContext *r, int dir, int val)
 {
-    int mul = dir ? -r->weight2 : r->weight1;
+    int mul = dir ? -r->mv_weight2 : r->mv_weight1;
 
     return (val * mul + 0x2000) >> 14;
 }
@@ -776,24 +771,24 @@ static void rv34_mc_1mv(RV34DecContext *r, const int block_type,
 
 static void rv4_weight(RV34DecContext *r)
 {
-    r->rdsp.rv40_weight_pixels_tab[0](r->s.dest[0],
-                                      r->tmp_b_block_y[0],
-                                      r->tmp_b_block_y[1],
-                                      r->weight1,
-                                      r->weight2,
-                                      r->s.linesize);
-    r->rdsp.rv40_weight_pixels_tab[1](r->s.dest[1],
-                                      r->tmp_b_block_uv[0],
-                                      r->tmp_b_block_uv[2],
-                                      r->weight1,
-                                      r->weight2,
-                                      r->s.uvlinesize);
-    r->rdsp.rv40_weight_pixels_tab[1](r->s.dest[2],
-                                      r->tmp_b_block_uv[1],
-                                      r->tmp_b_block_uv[3],
-                                      r->weight1,
-                                      r->weight2,
-                                      r->s.uvlinesize);
+    r->rdsp.rv40_weight_pixels_tab[r->scaled_weight][0](r->s.dest[0],
+                                                        r->tmp_b_block_y[0],
+                                                        r->tmp_b_block_y[1],
+                                                        r->weight1,
+                                                        r->weight2,
+                                                        r->s.linesize);
+    r->rdsp.rv40_weight_pixels_tab[r->scaled_weight][1](r->s.dest[1],
+                                                        r->tmp_b_block_uv[0],
+                                                        r->tmp_b_block_uv[2],
+                                                        r->weight1,
+                                                        r->weight2,
+                                                        r->s.uvlinesize);
+    r->rdsp.rv40_weight_pixels_tab[r->scaled_weight][1](r->s.dest[2],
+                                                        r->tmp_b_block_uv[1],
+                                                        r->tmp_b_block_uv[3],
+                                                        r->weight1,
+                                                        r->weight2,
+                                                        r->s.uvlinesize);
 }
 
 static void rv34_mc_2mv(RV34DecContext *r, const int block_type)
@@ -1703,11 +1698,21 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
             int dist0   = GET_PTS_DIFF(r->cur_pts,  r->last_pts);
             int dist1   = GET_PTS_DIFF(r->next_pts, r->cur_pts);
 
-            if (!refdist) {
-                r->weight1 = r->weight2 = 8192;
-            } else {
-                r->weight1 = (dist0 << 14) / refdist;
-                r->weight2 = (dist1 << 14) / refdist;
+            if(!refdist){
+                r->mv_weight1 = r->mv_weight2 = r->weight1 = r->weight2 = 8192;
+                r->scaled_weight = 0;
+            }else{
+                r->mv_weight1 = (dist0 << 14) / refdist;
+                r->mv_weight2 = (dist1 << 14) / refdist;
+                if((r->mv_weight1|r->mv_weight2) & 511){
+                    r->weight1 = r->mv_weight1;
+                    r->weight2 = r->mv_weight2;
+                    r->scaled_weight = 0;
+                }else{
+                    r->weight1 = r->mv_weight1 >> 9;
+                    r->weight2 = r->mv_weight2 >> 9;
+                    r->scaled_weight = 1;
+                }
             }
         }
         s->mb_x = s->mb_y = 0;