avio_rl32(s->pb);
st->codecpar->sample_rate = avio_rl32(s->pb);
st->codecpar->channels = avio_rl32(s->pb);
- if (st->codecpar->channels > FF_SANE_NB_CHANNELS)
+ if (st->codecpar->channels > FF_SANE_NB_CHANNELS || st->codecpar->channels <= 0)
return AVERROR(ENOSYS);
s->internal->data_offset = avio_rl32(s->pb);
avio_r8(s->pb);
st->codecpar->block_align = avio_rl32(s->pb);
- if (st->codecpar->block_align > INT_MAX / FF_SANE_NB_CHANNELS)
+ if (st->codecpar->block_align > INT_MAX / FF_SANE_NB_CHANNELS || st->codecpar->block_align <= 0)
return AVERROR_INVALIDDATA;
st->codecpar->block_align *= st->codecpar->channels;