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avcodec/wmv2enc: allocate padding for extradata and check malloc failure

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-05-18 15:58:03 +02:00
parent 5441eb460c
commit 6e8fe44815
1 changed files with 3 additions and 1 deletions
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4
libavcodec/wmv2enc.c
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@ -60,7 +60,9 @@ static av_cold int wmv2_encode_init(AVCodecContext *avctx){
ff_wmv2_common_init(w);
avctx->extradata_size= 4;
avctx->extradata= av_mallocz(avctx->extradata_size + 10);
avctx->extradata= av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
encode_ext_header(w);
return 0;