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indeo3: error out if no motion vector is set.

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This fixes a crash on a corrupt bitstream (bugzilla #93).

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Aneesh Dogra
2011-11-28 02:26:52 +05:30
committed by Ronald S. Bultje
parent 6b6ee58249
commit 97980db487
1 changed files with 2 additions and 0 deletions
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libavcodec/indeo3.c
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@ -756,6 +756,8 @@ static int parse_bintree(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, "SkipCell procedure not implemented yet!\n"); av_log(avctx, AV_LOG_ERROR, "SkipCell procedure not implemented yet!\n");
CHECK_CELL CHECK_CELL
if(!curr_cell.mv_ptr)
return AVERROR_INVALIDDATA;
copy_cell(ctx, plane, &curr_cell); copy_cell(ctx, plane, &curr_cell);
return 0; return 0;
} }