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avcodec/mimic: Use ff_set_dimensions() to set the dimensions

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Fixes: OOM
Fixes: 1671/clusterfuzz-testcase-minimized-4759078033162240

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-18 17:46:56 +02:00
parent a173f484b5
commit e434840fd4
1 changed files with 4 additions and 2 deletions
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6
libavcodec/mimic.c
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@ -390,9 +390,11 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data,
return AVERROR_INVALIDDATA;
}
res = ff_set_dimensions(avctx, width, height);
if (res < 0)
return res;
ctx->avctx = avctx;
avctx->width = width;
avctx->height = height;
avctx->pix_fmt = AV_PIX_FMT_YUV420P;
for (i = 0; i < 3; i++) {
ctx->num_vblocks[i] = AV_CEIL_RSHIFT(height, 3 + !!i);