st->codec->sample_rate = AV_RL32(p + 36);
st->codec->channels = AV_RL32(p + 48);
st->codec->sample_rate = AV_RL32(p + 36);
st->codec->channels = AV_RL32(p + 48);
+ st->codec->frame_size = AV_RL32(p + 56);
st->codec->extradata_size = os->psize;
st->codec->extradata = av_malloc(st->codec->extradata_size);
memcpy(st->codec->extradata, p, st->codec->extradata_size);
st->codec->extradata_size = os->psize;
st->codec->extradata = av_malloc(st->codec->extradata_size);
memcpy(st->codec->extradata, p, st->codec->extradata_size);