wma: Check memory allocation

This commit is contained in:
Vittorio Giovara 2015-05-31 14:55:35 +02:00 committed by Luca Barbato
parent e1ea365f7e
commit 83797da6e3

View File

@ -62,11 +62,15 @@ 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);