st->codecpar->channels = ea->num_channels;
st->codecpar->sample_rate = ea->sample_rate;
st->codecpar->bits_per_coded_sample = ea->bytes * 8;
- st->codecpar->bit_rate = st->codecpar->channels *
+ st->codecpar->bit_rate = (int64_t)st->codecpar->channels *
st->codecpar->sample_rate *
st->codecpar->bits_per_coded_sample / 4;
st->codecpar->block_align = st->codecpar->channels *