Function Encode

libhb/encvorbis.c:218–254

* Encode *********************************************************************** * **********************************************************************/

 *
 **********************************************************************/
static hb_buffer_t* Encode(hb_work_object_t *w)
{
    hb_work_private_t *pv = w->private_data;
    hb_buffer_t *buf;
    float **buffer;
    int i, j;

    /* Try to extract more data */
    if ((buf = Flush(w)) != NULL)
    {
        return buf;
    }

    /* Check if we need more data */
    if (hb_list_bytes(pv->list) < pv->input_samples * sizeof(float))
    {
        return NULL;
    }

    /* Process more samples */
    hb_list_getbytes(pv->list, (uint8_t *)pv->buf, pv->input_samples * sizeof(float),
                     &pv->pts, NULL);
    buffer = vorbis_analysis_buffer(&pv->vd, OGGVORBIS_FRAME_SIZE);
    for (i = 0; i < OGGVORBIS_FRAME_SIZE; i++)
    {
        for (j = 0; j < pv->out_discrete_channels; j++)
        {
            buffer[j][i] = ((float*)pv->buf)[(pv->out_discrete_channels * i +
                                              pv->remap_table[j])];
        }
    }

    vorbis_analysis_wrote(&pv->vd, OGGVORBIS_FRAME_SIZE);

    /* Try to extract again */
    return Flush(w);
}

/***********************************************************************
 * Work