[FFmpeg-cvslog] msmpeg4v2: initialize mb_type array

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Aug 15 05:29:28 2012 +0200| [aee7b88cc0675fb668e39e8f4a50f2b1bd9305d4] | committer: Michael Niedermayer

msmpeg4v2: initialize mb_type array

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=aee7b88cc0675fb668e39e8f4a50f2b1bd9305d4
---

 libavcodec/msmpeg4.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index b18e7de..917d04a 100644
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -409,6 +409,7 @@ static int msmpeg4v2_decode_motion(MpegEncContext * s, int pred, int f_code)
 static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 {
     int cbp, code, i;
+    uint32_t * const mb_type_ptr = &s->current_picture.f.mb_type[s->mb_x + s->mb_y*s->mb_stride];
 
     if (s->pict_type == AV_PICTURE_TYPE_P) {
         if (s->use_skip_mb_code) {
@@ -422,6 +423,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
                 s->mv[0][0][0] = 0;
                 s->mv[0][0][1] = 0;
                 s->mb_skipped = 1;
+                *mb_type_ptr = MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16;
                 return 0;
             }
         }
@@ -470,6 +472,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
         s->mv_type = MV_TYPE_16X16;
         s->mv[0][0][0] = mx;
         s->mv[0][0][1] = my;
+        *mb_type_ptr = MB_TYPE_L0 | MB_TYPE_16x16;
     } else {
         if(s->msmpeg4_version==2){
             s->ac_pred = get_bits1(&s->gb);
@@ -479,6 +482,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
             cbp|= get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1)<<2; //FIXME check errors
             if(s->pict_type==AV_PICTURE_TYPE_P) cbp^=0x3C;
         }
+        *mb_type_ptr = MB_TYPE_INTRA;
     }
 
     s->dsp.clear_blocks(s->block[0]);