Function comb_detect_init

libhb/comb_detect.c:1082–1449

}

static int comb_detect_init(hb_filter_object_t *filter,
                            hb_filter_init_t   *init)
{
    filter->private_data = calloc(1, sizeof(struct hb_filter_private_s));
    if (filter->private_data == NULL)
    {
        hb_error("comb_detect: calloc failed");
        return -1;
    }
    hb_filter_private_t *pv = filter->private_data;

    hb_buffer_list_clear(&pv->out_list);

    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(init->pix_fmt);
    pv->depth      = desc->comp[0].depth;
    pv->bps        = pv->depth > 8 ? 2 : 1;
    pv->max_value  = (1 << pv->depth) - 1;
    pv->half_value = (1 << pv->depth) / 2;

    pv->gamma_lut = malloc(sizeof(float) * (pv->max_value + 1));
    if (pv->gamma_lut == NULL)
    {
        hb_error("comb_detect: malloc failed");
        return -1;
    }
    build_gamma_lut(pv);

    pv->frames = 0;
    pv->force_exaustive_check = 1;
    pv->comb_heavy = 0;
    pv->comb_light = 0;
    pv->comb_none = 0;

    pv->comb_detect_ready = 0;

    pv->mode              = MODE_GAMMA | MODE_FILTER;
    pv->filter_mode       = FILTER_ERODE_DILATE;
    pv->spatial_metric    = 2;
    pv->motion_threshold  = 3;
    pv->spatial_threshold = 3;
    pv->block_threshold   = 40;
    pv->block_width       = 16;
    pv->block_height      = 16;

    if (filter->settings)
    {
        hb_value_t *dict = filter->settings;

        // Get comb detection settings
        hb_dict_extract_int(&pv->mode, dict, "mode");
        hb_dict_extract_int(&pv->spatial_metric, dict, "spatial-metric");
        hb_dict_extract_int(&pv->motion_threshold, dict, "motion-thresh");
        hb_dict_extract_int(&pv->spatial_threshold, dict, "spatial-thresh");
        hb_dict_extract_int(&pv->filter_mode, dict, "filter-mode");
        hb_dict_extract_int(&pv->block_threshold, dict, "block-thresh");
        hb_dict_extract_int(&pv->block_width, dict, "block-width");
        hb_dict_extract_int(&pv->block_height, dict, "block-height");
    }