make ff_emulated_edge_mc() independant of MpegEncContext

Originally committed as revision 1971 to svn://svn.ffmpeg.org/ffmpeg/trunk

5 files changed, 42 insertions, 32 deletions

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index a384b9ee14..53ad650dc7 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1895,7 +1895,7 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square,
        || full_my < 0-extra_height 
        || full_mx + 16/*FIXME*/ > s->width + extra_width 
        || full_my + 16/*FIXME*/ > s->height + extra_height){
-        ff_emulated_edge_mc(s, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, s->width, s->height);
+        ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, s->width, s->height);
             src_y= s->edge_emu_buffer + 2 + 2*s->linesize;
         emu=1;
     }
@@ -1908,13 +1908,13 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square,
     if(s->flags&CODEC_FLAG_GRAY) return;
     
     if(emu){
-        ff_emulated_edge_mc(s, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
+        ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
             src_cb= s->edge_emu_buffer;
     }
     chroma_op(dest_cb, src_cb, s->uvlinesize, chroma_height, mx&7, my&7);
 
     if(emu){
-        ff_emulated_edge_mc(s, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
+        ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1);
             src_cr= s->edge_emu_buffer;
     }
     chroma_op(dest_cr, src_cr, s->uvlinesize, chroma_height, mx&7, my&7);
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 2239ce468e..9aa258f956 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1603,7 +1603,7 @@ static inline void gmc1_motion(MpegEncContext *s,
     if(s->flags&CODEC_FLAG_EMU_EDGE){
         if(src_x<0 || src_y<0 || src_x + 17 >= s->h_edge_pos
                               || src_y + 17 >= s->v_edge_pos){
-            ff_emulated_edge_mc(s, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
             ptr= s->edge_emu_buffer;
         }
     }
@@ -1642,7 +1642,7 @@ static inline void gmc1_motion(MpegEncContext *s,
     if(s->flags&CODEC_FLAG_EMU_EDGE){
         if(src_x<0 || src_y<0 || src_x + 9 >= s->h_edge_pos>>1
                               || src_y + 9 >= s->v_edge_pos>>1){
-            ff_emulated_edge_mc(s, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
             ptr= s->edge_emu_buffer;
             emu=1;
         }
@@ -1651,7 +1651,7 @@ static inline void gmc1_motion(MpegEncContext *s,
     
     ptr = ref_picture[2] + offset;
     if(emu){
-        ff_emulated_edge_mc(s, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
         ptr= s->edge_emu_buffer;
     }
     s->dsp.gmc1(dest_cr + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
@@ -1722,12 +1722,22 @@ static inline void gmc_motion(MpegEncContext *s,
            s->h_edge_pos>>1, s->v_edge_pos>>1);
 }
 
-
-void ff_emulated_edge_mc(MpegEncContext *s, uint8_t *src, int linesize, int block_w, int block_h, 
+/**
+ * Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples.
+ * @param buf destination buffer
+ * @param src source buffer
+ * @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
+ * @param block_w width of block
+ * @param block_h height of block
+ * @param src_x x coordinate of the top left sample of the block in the source buffer
+ * @param src_y y coordinate of the top left sample of the block in the source buffer
+ * @param w width of the source buffer
+ * @param h height of the source buffer
+ */
+void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h, 
                                     int src_x, int src_y, int w, int h){
     int x, y;
     int start_y, start_x, end_y, end_x;
-    uint8_t *buf= s->edge_emu_buffer;
 
     if(src_y>= h){
         src+= (h-1-src_y)*linesize;
@@ -1823,7 +1833,7 @@ if(s->quarter_sample)
     if(s->flags&CODEC_FLAG_EMU_EDGE){
         if(src_x<0 || src_y<0 || src_x + (motion_x&1) + 16 > s->h_edge_pos
                               || src_y + (motion_y&1) + h  > v_edge_pos){
-            ff_emulated_edge_mc(s, ptr - src_offset, s->linesize, 17, 17+field_based,  //FIXME linesize? and uv below
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based,  //FIXME linesize? and uv below
                              src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
             ptr= s->edge_emu_buffer + src_offset;
             emu=1;
@@ -1860,7 +1870,7 @@ if(s->quarter_sample)
     offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
     ptr = ref_picture[1] + offset;
     if(emu){
-        ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based, 
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based, 
                          src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
         ptr= s->edge_emu_buffer + (src_offset >> 1);
     }
@@ -1868,7 +1878,7 @@ if(s->quarter_sample)
 
     ptr = ref_picture[2] + offset;
     if(emu){
-        ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based, 
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based, 
                          src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
         ptr= s->edge_emu_buffer + (src_offset >> 1);
     }
@@ -1908,7 +1918,7 @@ static inline void qpel_motion(MpegEncContext *s,
     if(s->flags&CODEC_FLAG_EMU_EDGE){
         if(src_x<0 || src_y<0 || src_x + (motion_x&3) + 16 > s->h_edge_pos
                               || src_y + (motion_y&3) + h  > v_edge_pos){
-            ff_emulated_edge_mc(s, ptr - src_offset, s->linesize, 17, 17+field_based, 
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based, 
                              src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
             ptr= s->edge_emu_buffer + src_offset;
             emu=1;
@@ -1958,7 +1968,7 @@ static inline void qpel_motion(MpegEncContext *s,
     offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
     ptr = ref_picture[1] + offset;
     if(emu){
-        ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based, 
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based, 
                          src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
         ptr= s->edge_emu_buffer + (src_offset >> 1);
     }
@@ -1966,7 +1976,7 @@ static inline void qpel_motion(MpegEncContext *s,
     
     ptr = ref_picture[2] + offset;
     if(emu){
-        ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based, 
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based, 
                          src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
         ptr= s->edge_emu_buffer + (src_offset >> 1);
     }
@@ -2060,7 +2070,7 @@ static inline void MPV_motion(MpegEncContext *s,
                 if(s->flags&CODEC_FLAG_EMU_EDGE){
                     if(src_x<0 || src_y<0 || src_x + (motion_x&3) + 8 > s->h_edge_pos
                                           || src_y + (motion_y&3) + 8 > s->v_edge_pos){
-                        ff_emulated_edge_mc(s, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+                        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
                         ptr= s->edge_emu_buffer;
                     }
                 }
@@ -2091,7 +2101,7 @@ static inline void MPV_motion(MpegEncContext *s,
                 if(s->flags&CODEC_FLAG_EMU_EDGE){
                     if(src_x<0 || src_y<0 || src_x + (motion_x&1) + 8 > s->h_edge_pos
                                           || src_y + (motion_y&1) + 8 > s->v_edge_pos){
-                        ff_emulated_edge_mc(s, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+                        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
                         ptr= s->edge_emu_buffer;
                     }
                 }
@@ -2126,7 +2136,7 @@ static inline void MPV_motion(MpegEncContext *s,
         if(s->flags&CODEC_FLAG_EMU_EDGE){
                 if(src_x<0 || src_y<0 || src_x + (dxy &1) + 8 > s->h_edge_pos>>1
                                       || src_y + (dxy>>1) + 8 > s->v_edge_pos>>1){
-                    ff_emulated_edge_mc(s, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+                    ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
                     ptr= s->edge_emu_buffer;
                     emu=1;
                 }
@@ -2135,7 +2145,7 @@ static inline void MPV_motion(MpegEncContext *s,
 
         ptr = ref_picture[2] + offset;
         if(emu){
-            ff_emulated_edge_mc(s, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
             ptr= s->edge_emu_buffer;
         }
         pix_op[1][dxy](dest_cr, ptr, s->uvlinesize, 8);
@@ -2674,7 +2684,7 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
         ptr = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
 
         if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
-            ff_emulated_edge_mc(s, ptr, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
             ptr= s->edge_emu_buffer;
             emu=1;
         }
@@ -2706,14 +2716,14 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
             int wrap_c = s->uvlinesize;
             ptr = s->new_picture.data[1] + (mb_y * 8 * wrap_c) + mb_x * 8;
             if(emu){
-                ff_emulated_edge_mc(s, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
                 ptr= s->edge_emu_buffer;
             }
 	    s->dsp.get_pixels(s->block[4], ptr, wrap_c);
 
             ptr = s->new_picture.data[2] + (mb_y * 8 * wrap_c) + mb_x * 8;
             if(emu){
-                ff_emulated_edge_mc(s, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
                 ptr= s->edge_emu_buffer;
             }
             s->dsp.get_pixels(s->block[5], ptr, wrap_c);
@@ -2753,7 +2763,7 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
         }
 
         if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
-            ff_emulated_edge_mc(s, ptr_y, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
             ptr_y= s->edge_emu_buffer;
             emu=1;
         }
@@ -2785,12 +2795,12 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
             skip_dct[5]= 1;
         }else{
             if(emu){
-                ff_emulated_edge_mc(s, ptr_cb, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cb, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
                 ptr_cb= s->edge_emu_buffer;
             }
             s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
             if(emu){
-                ff_emulated_edge_mc(s, ptr_cr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
                 ptr_cr= s->edge_emu_buffer;
             }
             s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index c09b6a6f3d..5f3c10d243 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -708,7 +708,7 @@ void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length);
 void ff_clean_intra_table_entries(MpegEncContext *s);
 void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
 void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
-void ff_emulated_edge_mc(MpegEncContext *s, uint8_t *src, int linesize, int block_w, int block_h, 
+void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h, 
                                     int src_x, int src_y, int w, int h);
 #define END_NOT_FOUND -100
 int ff_combine_frame( MpegEncContext *s, int next, uint8_t **buf, int *buf_size);
@@ -877,7 +877,7 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
                        DCTELEM block[6][64],
                        int motion_x, int motion_y);
 
-/* mjpegenc.c */
+/* mjpeg.c */
 int mjpeg_init(MpegEncContext *s);
 void mjpeg_close(MpegEncContext *s);
 void mjpeg_encode_mb(MpegEncContext *s, 
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index d15bb98034..72e5baf5e9 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -287,7 +287,7 @@ static inline void svq3_mc_dir_part (MpegEncContext *s, int x, int y,
   src  = s->last_picture.data[0] + mx + my*s->linesize;
 
   if (emu) {
-    ff_emulated_edge_mc (s, src, s->linesize, (width + 1), (height + 1),
+    ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, (width + 1), (height + 1),
 			 mx, my, s->h_edge_pos, s->v_edge_pos);
     src = s->edge_emu_buffer;
   }
@@ -308,7 +308,7 @@ static inline void svq3_mc_dir_part (MpegEncContext *s, int x, int y,
       src  = s->last_picture.data[i] + mx + my*s->uvlinesize;
 
       if (emu) {
-	ff_emulated_edge_mc (s, src, s->uvlinesize, (width + 1), (height + 1),
+	ff_emulated_edge_mc(s->edge_emu_buffer, src, s->uvlinesize, (width + 1), (height + 1),
 			     mx, my, (s->h_edge_pos >> 1), (s->v_edge_pos >> 1));
 	src = s->edge_emu_buffer;
       }
diff --git a/libavcodec/wmv2.c b/libavcodec/wmv2.c
index ccac9fe777..3206e7238c 100644
--- a/libavcodec/wmv2.c
+++ b/libavcodec/wmv2.c
@@ -650,7 +650,7 @@ void ff_mspel_motion(MpegEncContext *s,
     if(s->flags&CODEC_FLAG_EMU_EDGE){
         if(src_x<1 || src_y<1 || src_x + 17  >= s->h_edge_pos
                               || src_y + h+1 >= v_edge_pos){
-            ff_emulated_edge_mc(s, ptr - 1 - s->linesize, s->linesize, 19, 19, 
+            ff_emulated_edge_mc(s->emu_edge_buffer, ptr - 1 - s->linesize, s->linesize, 19, 19, 
                              src_x-1, src_y-1, s->h_edge_pos, s->v_edge_pos);
             ptr= s->edge_emu_buffer + 1 + s->linesize;
             emu=1;
@@ -691,7 +691,7 @@ void ff_mspel_motion(MpegEncContext *s,
     offset = (src_y * uvlinesize) + src_x;
     ptr = ref_picture[1] + offset;
     if(emu){
-        ff_emulated_edge_mc(s, ptr, s->uvlinesize, 9, 9, 
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, 
                          src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
         ptr= s->edge_emu_buffer;
     }
@@ -699,7 +699,7 @@ void ff_mspel_motion(MpegEncContext *s,
 
     ptr = ref_picture[2] + offset;
     if(emu){
-        ff_emulated_edge_mc(s, ptr, s->uvlinesize, 9, 9, 
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, 
                          src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
         ptr= s->edge_emu_buffer;
     }