Correct bundle lengths calculation for small Bink files.

This fixes issue 1764. Originally committed as revision 21959 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · fb030bd046
parent 9b3c455c50
commit fb030bd046
1 changed files with 2 additions and 1 deletions
--- a/libavcodec/bink.c
+++ b/libavcodec/bink.c
@ -698,8 +698,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
        const int stride = c->pic.linesize[plane];
        int bw = plane ? (avctx->width  + 15) >> 4 : (avctx->width  + 7) >> 3;
        int bh = plane ? (avctx->height + 15) >> 4 : (avctx->height + 7) >> 3;
+        int width = avctx->width >> !!plane;

-        init_lengths(c, avctx->width >> !!plane, bw);
+        init_lengths(c, FFMAX(width, 8), bw);
        for (i = 0; i < BINK_NB_SRC; i++)
            read_bundle(&gb, c, i);