[Ffmpeg-cvslog] r6770 - in trunk: libavcodec/vp6.c libavformat/flvdec.c

[aurel]

Author: aurel
Date: Mon Oct 23 01:19:42 2006
New Revision: 6770

Modified:
   trunk/libavcodec/vp6.c
   trunk/libavformat/flvdec.c

Log:
use the adjustment value present in FLV to crop VP6 video

Modified: trunk/libavcodec/vp6.c
==============================================================================
--- trunk/libavcodec/vp6.c	(original)
+++ trunk/libavcodec/vp6.c	Mon Oct 23 01:19:42 2006
@@ -64,6 +64,10 @@
         if (16*cols != s->avctx->coded_width ||
             16*rows != s->avctx->coded_height) {
             avcodec_set_dimensions(s->avctx, 16*cols, 16*rows);
+            if (s->avctx->extradata_size == 1) {
+                s->avctx->width  -= s->avctx->extradata[0] >> 4;
+                s->avctx->height -= s->avctx->extradata[0] & 0x0F;
+            }
             res = 2;
         }
 

Modified: trunk/libavformat/flvdec.c
==============================================================================
--- trunk/libavformat/flvdec.c	(original)
+++ trunk/libavformat/flvdec.c	Mon Oct 23 01:19:42 2006
@@ -193,7 +193,12 @@
             case 3: st->codec->codec_id = CODEC_ID_FLASHSV; break;
             case 4:
                 st->codec->codec_id = CODEC_ID_VP6F;
-                get_byte(&s->pb); /* width and height adjustment */
+                if (st->codec->extradata_size != 1) {
+                    st->codec->extradata_size = 1;
+                    st->codec->extradata = av_malloc(1);
+                }
+                /* width and height adjustment */
+                st->codec->extradata[0] = get_byte(&s->pb);
                 size--;
                 break;
             default: