uvlinesize

export has_b_frames
mb_skip with more than 2 ip buffers

Originally committed as revision 762 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -5,8 +5,8 @@
 
 #define LIBAVCODEC_VERSION_INT 0x000406
 #define LIBAVCODEC_VERSION     "0.4.6"
-#define LIBAVCODEC_BUILD       4616
-#define LIBAVCODEC_BUILD_STR   "4616"
+#define LIBAVCODEC_BUILD       4617
+#define LIBAVCODEC_BUILD_STR   "4617"
 
 enum CodecID {
     CODEC_ID_NONE, 
@@ -260,6 +260,10 @@ typedef struct AVCodecContext {
     void *dr_opaque_frame;
     void (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
 
+    int has_b_frames; // is 1 if the decoded stream contains b frames
+    int dr_uvstride;
+    int dr_ip_buffer_count;
+
     //FIXME this should be reordered after kabis API is finished ...
     /*
 	Note: Below are located reserved fields for further usage
@@ -282,7 +286,7 @@ typedef struct AVCodecContext {
 	    ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
 	    ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
     unsigned int
-	    ui_res0,ui_res1,ui_res2,ui_res3,ui_res4,ui_res5;
+	    ui_res0,ui_res1,ui_res2;
     unsigned short int
 	    us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
 	    us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;

libavcodec/h263dec.c

@@ -154,6 +154,7 @@ uint64_t time= rdtsc();
     } else {
         ret = h263_decode_picture_header(s);
     }
+    avctx->has_b_frames= s->has_b_frames;
 
        
         /* After H263 & mpeg4 header decode we have the height, width,*/
@@ -432,8 +433,8 @@ uint64_t time= rdtsc();
         pict->data[2] = s->last_picture[2];
     }
     pict->linesize[0] = s->linesize;
-    pict->linesize[1] = s->linesize / 2;
-    pict->linesize[2] = s->linesize / 2;
+    pict->linesize[1] = s->uvlinesize;
+    pict->linesize[2] = s->uvlinesize;
 
     avctx->quality = s->qscale;
 

libavcodec/mpeg12.c

@@ -1505,8 +1505,8 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
             pict->data[1] = picture[1];
             pict->data[2] = picture[2];
             pict->linesize[0] = s->linesize;
-            pict->linesize[1] = s->linesize / 2;
-            pict->linesize[2] = s->linesize / 2;
+            pict->linesize[1] = s->uvlinesize;
+            pict->linesize[2] = s->uvlinesize;
             return 1;
         } else {
             return 0;
@@ -1546,7 +1546,7 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx,
         }
         s->width = width;
         s->height = height;
-        s->has_b_frames = 1;
+        avctx->has_b_frames= s->has_b_frames = 1;
         s->avctx = avctx;
         avctx->width = width;
         avctx->height = height;
@@ -1642,8 +1642,8 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
             picture->data[1] = s2->next_picture[1];
             picture->data[2] = s2->next_picture[2];
             picture->linesize[0] = s2->linesize;
-            picture->linesize[1] = s2->linesize / 2;
-            picture->linesize[2] = s2->linesize / 2;
+            picture->linesize[1] = s2->uvlinesize;
+            picture->linesize[2] = s2->uvlinesize;
             *data_size = sizeof(AVPicture);
         }
         return 0;

libavcodec/mpegvideo.h

@@ -132,6 +132,7 @@ typedef struct MpegEncContext {
     int mb_width, mb_height;   /* number of MBs horizontally & vertically */
     int mb_num;                /* number of MBs of a picture */
     int linesize;              /* line size, in bytes, may be different from width */
+    int uvlinesize;            /* line size, for chroma in bytes, may be different from width */
     UINT8 *new_picture[3];     /* picture to be compressed */
     UINT8 *picture_buffer[REORDER_BUFFER_SIZE][3]; /* internal buffers used for reordering of input pictures */
     int picture_buffer_index;
@@ -145,6 +146,7 @@ typedef struct MpegEncContext {
     UINT8 *current_picture[3];   /* buffer to store the decompressed current picture */
     void *last_dr_opaque;
     void *next_dr_opaque;
+    int ip_buffer_count;         /* number of buffers, currently only >2 if dr1 is used */
     int num_available_buffers;   /* is 0 at the start & after seeking, after the first I frame its 1 after next I/P 2 */
     int last_dc[3];              /* last DC values for MPEG1 */
     INT16 *dc_val[3];            /* used for mpeg4 DC prediction, all 3 arrays must be continuous */
@@ -340,6 +342,8 @@ typedef struct MpegEncContext {
     int quant_precision;
     int quarter_sample;              /* 1->qpel, 0->half pel ME/MC */ 
     int scalability;
+    int hierachy_type;
+    int enhancement_type;
     int new_pred;
     int reduced_res_vop;
     int aspect_ratio_info;

libavcodec/msmpeg4.c

@@ -763,7 +763,7 @@ static inline int msmpeg4_pred_dc(MpegEncContext * s, int n,
                     wrap= s->linesize;
                     dest= s->current_picture[0] + (((n>>1) + 2*s->mb_y) * 8*  wrap ) + ((n&1) + 2*s->mb_x) * 8;
                 }else{
-                    wrap= s->linesize>>1;
+                    wrap= s->uvlinesize;
                     dest= s->current_picture[n-3] + (s->mb_y * 8 * wrap) + s->mb_x * 8;
                 }
                 if(s->mb_x==0) a= (1024 + (scale>>1))/scale;

libavcodec/rv10.c

@@ -487,8 +487,8 @@ static int rv10_decode_frame(AVCodecContext *avctx,
         pict->data[1] = s->current_picture[1];
         pict->data[2] = s->current_picture[2];
         pict->linesize[0] = s->linesize;
-        pict->linesize[1] = s->linesize / 2;
-        pict->linesize[2] = s->linesize / 2;
+        pict->linesize[1] = s->uvlinesize;
+        pict->linesize[2] = s->uvlinesize;
         
         avctx->quality = s->qscale;
         *data_size = sizeof(AVPicture);