]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/xvmcvideo.c
have less functions as inline
[ffmpeg] / libavcodec / xvmcvideo.c
index 201d2d7762b35f5282470f3437346c81fde77574..ff56ceb3f58b974f931ab5e05d9faf3188f89f38 100644 (file)
@@ -2,19 +2,21 @@
  * XVideo Motion Compensation
  * Copyright (c) 2003 Ivan Kalvachev
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <limits.h>
 #undef NDEBUG
 #include <assert.h>
 
-#ifdef USE_FASTMEMCPY
-#include "fastmemcpy.h"
-#endif
-
 #ifdef HAVE_XVMC
 
 //X11 includes are in the xvmc_render.h
@@ -55,71 +53,21 @@ xvmc_render_state_t * render;
 
 void XVMC_pack_pblocks(MpegEncContext *s, int cbp){
 int i,j;
+const int mb_block_count = 4+(1<<s->chroma_format);
 
     j=0;
-    for(i=0;i<6;i++){
-        if(cbp & (1<<(5-i)) ){
+    cbp<<= 12-mb_block_count;
+    for(i=0; i<mb_block_count; i++){
+        if(cbp & (1<<11)) {
            s->pblocks[i] = (short *)(&s->block[(j++)]);
         }else{
            s->pblocks[i] = NULL;
         }
+        cbp+=cbp;
 //        printf("s->pblocks[%d]=%p ,s->block=%p cbp=%d\n",i,s->pblocks[i],s->block,cbp);
     }
-    if (s->chroma_format >= 2){
-        if (s->chroma_format == 2){//CHROMA_422
-            for(i=6;i<8;i++){
-                if(cbp & (1<<(6+7-i)) ){
-                    s->pblocks[i] = (short *)(&s->block[(j++)]);
-                }else{
-                    s->pblocks[i] = NULL;
-                }
-            }
-        }else{//CHROMA_444
-            for(i=6; i<12; i++){
-                if(cbp & (1<<(6+11-i)) ){
-                    s->pblocks[i] = (short *)(&s->block[(j++)]);
-                }else{
-                    s->pblocks[i] = NULL;
-                }
-            }
-       }
-    }
-}
-
-static int calc_cbp(MpegEncContext *s){
-/* compute cbp */
-int  i,cbp = 0;
-    for(i=0; i<4; i++) {
-        if(s->block_last_index[i] >= 0)
-            cbp |= 1 << (5 - i);
-    }
-    if(s->flags & CODEC_FLAG_GRAY)
-         return cbp; //4 block for grayscale one done
-
-
-    for(i=4; i<6; i++) {
-        if(s->block_last_index[i] >= 0)
-            cbp |= 1 << (5 - i);
-    }
-    if(s->chroma_format <  2) return cbp;
-
-
-    if(s->chroma_format == 2){/*CHROMA_422*/
-        for(i=6; i<8; i++) {
-            if(s->block_last_index[i] >= 0)
-                cbp |= 1 << (6+7 - i);
-        }
-    }else{/*CHROMA_444*/
-        for(i=6; i<12; i++) {
-            if(s->block_last_index[i] >= 0)
-                cbp |= 1 << (6+11 - i);
-        }
-    }
-    return cbp;
 }
 
-
-
 //these functions should be called on every new field or/and frame
 //They should be safe if they are called few times for same field!
 int XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx){
@@ -186,7 +134,7 @@ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
 
     if(s->encoding){
         av_log(s->avctx, AV_LOG_ERROR, "XVMC doesn't support encoding!!!\n");
-       av_abort();
+        return;
     }
 
    //from MPV_decode_mb(),
@@ -198,7 +146,7 @@ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
     }
 
    //MC doesn't skip blocks
-    s->mb_skiped = 0;
+    s->mb_skipped = 0;
 
 
    // do I need to export quant when I could not perform postprocessing?
@@ -212,7 +160,7 @@ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
     assert(render->mv_blocks);
 
     //take the next free macroblock
-    mv_block = &render->mv_blocks[render->start_mv_blocks_num + 
+    mv_block = &render->mv_blocks[render->start_mv_blocks_num +
                                    render->filled_mv_blocks_num ];
 
 // memset(mv_block,0,sizeof(XvMCMacroBlock));
@@ -301,6 +249,14 @@ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
         blocks_per_mb = 4 + (1 << (s->chroma_format));
     }
 
+//  calculate cbp
+    cbp = 0;
+    for(i=0; i<blocks_per_mb; i++) {
+        cbp+= cbp;
+        if(s->block_last_index[i] >= 0)
+            cbp++;
+    }
+
     if(s->flags & CODEC_FLAG_GRAY){
         if(s->mb_intra){//intra frames are alwasy full chroma block
             for(i=4; i<blocks_per_mb; i++){
@@ -308,10 +264,11 @@ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
                 if(!render->unsigned_intra)
                     s->pblocks[i][0] = 1<<10;
             }
-        }else
+        }else{
+            cbp&= 0xf << (blocks_per_mb - 4);
             blocks_per_mb = 4;//Luminance blocks only
+        }
     }
-    cbp = calc_cbp(s);
     mv_block->coded_block_pattern = cbp;
     if(cbp == 0)
         mv_block->macroblock_type &= ~XVMC_MB_TYPE_PATTERN;
@@ -333,7 +290,7 @@ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
 /*              if(s->pblocks[i] != &render->data_blocks[
                         (render->next_free_data_block_num)*64]){
                    printf("ERROR mb(%d,%d) s->pblocks[i]=%p data_block[]=%p\n",
-                   s->mb_x,s->mb_y, s->pblocks[i], 
+                   s->mb_x,s->mb_y, s->pblocks[i],
                    &render->data_blocks[(render->next_free_data_block_num)*64]);
                 }*/
             }