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avcodec/wmaenc: Check extradata allocations

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Fixes CID1257842

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-02-22 21:23:39 +01:00
parent e0c7ba40cf
commit 8559a71415
1 changed files with 4 additions and 0 deletions
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4
libavcodec/wmaenc.c
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@ -60,11 +60,15 @@ static av_cold int encode_init(AVCodecContext *avctx)
flags2 = 1;
if (avctx->codec->id == AV_CODEC_ID_WMAV1) {
extradata = av_malloc(4);
if (!extradata)
return AVERROR(ENOMEM);
avctx->extradata_size = 4;
AV_WL16(extradata, flags1);
AV_WL16(extradata + 2, flags2);
} else if (avctx->codec->id == AV_CODEC_ID_WMAV2) {
extradata = av_mallocz(10);
if (!extradata)
return AVERROR(ENOMEM);
avctx->extradata_size = 10;
AV_WL32(extradata, flags1);
AV_WL16(extradata + 4, flags2);