Function ff_dca_core_init

libavcodec/dca_core.c:2411–2435

}

av_cold int ff_dca_core_init(DCACoreDecoder *s)
{
    int ret;
    float scale = 1.0f;

    if (!(s->float_dsp = avpriv_float_dsp_alloc(0)))
        return -1;
    if (!(s->fixed_dsp = avpriv_alloc_fixed_dsp(0)))
        return -1;

    ff_dcadct_init(&s->dcadct);

    if ((ret = av_tx_init(&s->imdct[0], &s->imdct_fn[0], AV_TX_FLOAT_MDCT,
                          1, 32, &scale, 0)) < 0)
        return ret;

    if ((ret = av_tx_init(&s->imdct[1], &s->imdct_fn[1], AV_TX_FLOAT_MDCT,
                          1, 64, &scale, 0)) < 0)
        return ret;

    ff_synth_filter_init(&s->synth);

    s->x96_rand = 1;
    return 0;
}

av_cold void ff_dca_core_close(DCACoreDecoder *s)
{