Function hb_rotate_geometry

libhb/hb.c:1202–1221

}

void hb_rotate_geometry( hb_geometry_crop_t * geo, hb_geometry_crop_t * result,
                         int angle, int hflip)
{
    hb_geometry_crop_t in = *geo; // Make a copy in case geo aliases result
    *result = in;

    // re-orient result if needed
    hflip_crop_pad(result->crop, in.crop, hflip);
    hflip_crop_pad(result->pad,  in.pad,  hflip);
    if (angle == 90 || angle == 270)
    {
        result->geometry.width   = in.geometry.height;
        result->geometry.height  = in.geometry.width;
        result->geometry.par.num = in.geometry.par.den;
        result->geometry.par.den = in.geometry.par.num;
    }
    in = *result;
    rotate_crop_pad(result->crop, in.crop, angle);
    rotate_crop_pad(result->pad,  in.pad,  angle);
}

/**
 * Calculates destination width and height for anamorphic content