mtv->full_segment_size =
        audio_subsegments * (MTV_AUDIO_PADDING_SIZE + MTV_ASUBCHUNK_DATA_SIZE) +
        mtv->img_segment_size;
    if(audio_subsegments == 0) {
        av_log(s,AV_LOG_ERROR,"the file is corrupted, audio_subsegments = 0\n");
        return AVERROR_INVALIDDATA;
    }
    mtv->video_fps         = (mtv->audio_br / 4) / audio_subsegments;

    // FIXME Add sanity check here