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indeo3: validate new frame size before resetting decoder

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This commit is contained in:
Kostya Shishkov 2012-05-14 19:46:54 +02:00
parent bc00da2701
commit 6de226a2b8
1 changed files with 8 additions and 0 deletions
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8
libavcodec/indeo3.c
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@ -900,6 +900,14 @@ static int decode_frame_headers(Indeo3DecodeContext *ctx, AVCodecContext *avctx,
av_dlog(avctx, "Frame dimensions changed!\n");
if (width < 16 || width > 640 ||
height < 16 || height > 480 ||
width & 3 || height & 3) {
av_log(avctx, AV_LOG_ERROR,
"Invalid picture dimensions: %d x %d!\n", width, height);
return AVERROR_INVALIDDATA;
}
ctx->width = width;
ctx->height = height;