Function rotate_init

libhb/rotate.c:145–269

#endif

static int rotate_init(hb_filter_object_t * filter, hb_filter_init_t * init)
{
    hb_filter_private_t * pv = NULL;

    pv = calloc(1, sizeof(struct hb_filter_private_s));
    filter->private_data = pv;
    if (pv == NULL)
    {
        return 1;
    }
    pv->input = *init;

    hb_dict_t        * settings = filter->settings;

    hb_rational_t par    = init->geometry.par;
    int           width  = init->geometry.width;
    int           height = init->geometry.height;
    const char *  trans  = NULL;
    int           angle  = 0, flip = 0, hflip = 0, vflip = 0;

    hb_dict_extract_int(&angle, settings, "angle");
    hb_dict_extract_bool(&flip, settings, "hflip");

    const char * clock;
    const char * cclock;
    if (flip)
    {
        clock  = "clock_flip";
        cclock = "cclock_flip";
    }
    else
    {
        clock  = "clock";
        cclock = "cclock";
    }

#if HB_PROJECT_FEATURE_QSV && (defined( _WIN32 ) || defined( __MINGW32__ ))
    if (init->hw_pix_fmt == AV_PIX_FMT_QSV)
    {
        qsv_rotate_init(pv, init, angle, flip);
        return 0;
    }
#endif

    switch (angle)
    {
        case 0:
            hflip = flip;
            break;
        case 90:
            trans   = clock;
            width   = init->geometry.height;
            height  = init->geometry.width;
            par.num = init->geometry.par.den;
            par.den = init->geometry.par.num;
            break;
        case 180:
            vflip = 1;