Function tak_parse_streaminfo

libavcodec/tak.c:95–134

}

static int tak_parse_streaminfo(TAKStreamInfo *s, GetBitContext *gb)
{
    uint64_t channel_mask = 0;
    int frame_type, i, ret;

    s->codec = get_bits(gb, TAK_ENCODER_CODEC_BITS);
    skip_bits(gb, TAK_ENCODER_PROFILE_BITS);

    frame_type = get_bits(gb, TAK_SIZE_FRAME_DURATION_BITS);
    s->samples = get_bits64(gb, TAK_SIZE_SAMPLES_NUM_BITS);

    s->data_type   = get_bits(gb, TAK_FORMAT_DATA_TYPE_BITS);
    s->sample_rate = get_bits(gb, TAK_FORMAT_SAMPLE_RATE_BITS) +
                     TAK_SAMPLE_RATE_MIN;
    s->bps         = get_bits(gb, TAK_FORMAT_BPS_BITS) +
                     TAK_BPS_MIN;
    s->channels    = get_bits(gb, TAK_FORMAT_CHANNEL_BITS) +
                     TAK_CHANNELS_MIN;

    if (get_bits1(gb)) {
        skip_bits(gb, TAK_FORMAT_VALID_BITS);
        if (get_bits1(gb)) {
            for (i = 0; i < s->channels; i++) {
                int value = get_bits(gb, TAK_FORMAT_CH_LAYOUT_BITS);

                if (value < FF_ARRAY_ELEMS(tak_channel_layouts))
                    channel_mask |= tak_channel_layouts[value];
            }
        }
    }

    s->ch_layout     = channel_mask;

    ret = tak_get_nb_samples(s->sample_rate, frame_type);
    if (ret < 0)
        return ret;
    s->frame_samples = ret;

    return 0;
}

int avpriv_tak_parse_streaminfo(TAKStreamInfo *s, const uint8_t *buf, int size)
{