avformat/acm: use ff_get_extradata()

This commit is contained in:
Paul B Mahol 2019-01-02 16:21:46 +01:00
parent 25c7aa9974
commit 1139887ace

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@ -44,12 +44,9 @@ static int acm_read_header(AVFormatContext *s)
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_CODEC_ID_INTERPLAY_ACM;
ff_alloc_extradata(st->codecpar, 14);
if (!st->codecpar->extradata)
return AVERROR(ENOMEM);
ret = avio_read(s->pb, st->codecpar->extradata, 14);
if (ret < 10)
return ret < 0 ? ret : AVERROR_EOF;
ret = ff_get_extradata(s, st->codecpar, s->pb, 14);
if (ret < 0)
return ret;
st->codecpar->channels = AV_RL16(st->codecpar->extradata + 8);
st->codecpar->sample_rate = AV_RL16(st->codecpar->extradata + 10);