Add more correct bound checking in filter_mb().

Should fix decoding of CVMAPAQP3_Sony_E.jsv in MinGW Originally committed as revision 17806 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · a66430c0d0
parent 34e46c44da
commit a66430c0d0
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@ -6493,7 +6493,7 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8
        int qp = s->current_picture.qscale_table[mb_xy];
        if(qp <= qp_thresh
           && (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
-           && (mb_y == 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
+           && (h->top_mb_xy < 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
            return;
        }
    }