C++ (Cpp) hb_bicubic_weights Examples

Example #1

File: oclscale.c Project: RichardMarks/HandBrakeMirror

int setupScaleWeights(cl_float xscale, cl_float yscale, int width, int height, hb_oclscale_t *os, KernelEnv *kenv) {
    cl_int status;
    if (os->xscale != xscale || os->width < width) {
        cl_float *xweights = hb_bicubic_weights(xscale, width);
        CL_FREE(os->bicubic_x_weights);
        CREATEBUF(os->bicubic_x_weights, CL_MEM_READ_ONLY, sizeof(cl_float) * width * 4);
        OCLCHECK(clEnqueueWriteBuffer, kenv->command_queue, os->bicubic_x_weights, CL_TRUE, 0, sizeof(cl_float) * width * 4, xweights, 0, NULL, NULL );
        os->width = width;
        os->xscale = xscale;
        free(xweights);
    }

    if ((os->yscale != yscale) || (os->height < height)) {
        cl_float *yweights = hb_bicubic_weights(yscale, height);
        CL_FREE(os->bicubic_y_weights);
        CREATEBUF(os->bicubic_y_weights, CL_MEM_READ_ONLY, sizeof(cl_float) * height * 4);
        OCLCHECK(clEnqueueWriteBuffer, kenv->command_queue, os->bicubic_y_weights, CL_TRUE, 0, sizeof(cl_float) * height * 4, yweights, 0, NULL, NULL );
        os->height = height;
        os->yscale = yscale;
        free(yweights);
    }
    return 0;
}

Example #2

File: oclscale.c Project: DarthGoon/HandBrake

int setupScaleWeights(cl_float xscale, cl_float yscale, int width, int height, hb_oclscale_t *os, KernelEnv *kenv)
{
    cl_int status;

    if (hb_ocl == NULL)
    {
        hb_error("setupScaleWeights: OpenCL support not available");
        return 1;
    }

    if (os->xscale != xscale || os->width < width)
    {
        cl_float *xweights = hb_bicubic_weights(xscale, width);
        HB_OCL_BUF_FREE  (hb_ocl, os->bicubic_x_weights);
        HB_OCL_BUF_CREATE(hb_ocl, os->bicubic_x_weights, CL_MEM_READ_ONLY,
                          sizeof(cl_float) * width * 4);
        HB_OCL_CHECK(hb_ocl->clEnqueueWriteBuffer, kenv->command_queue, os->bicubic_x_weights,
                     CL_TRUE, 0, sizeof(cl_float) * width * 4, xweights, 0, NULL, NULL);
        os->width = width;
        os->xscale = xscale;
        free(xweights);
    }

    if ((os->yscale != yscale) || (os->height < height))
    {
        cl_float *yweights = hb_bicubic_weights(yscale, height);
        HB_OCL_BUF_FREE  (hb_ocl, os->bicubic_y_weights);
        HB_OCL_BUF_CREATE(hb_ocl, os->bicubic_y_weights, CL_MEM_READ_ONLY,
                          sizeof(cl_float) * height * 4);
        HB_OCL_CHECK(hb_ocl->clEnqueueWriteBuffer, kenv->command_queue, os->bicubic_y_weights,
                     CL_TRUE, 0, sizeof(cl_float) * height * 4, yweights, 0, NULL, NULL);
        os->height = height;
        os->yscale = yscale;
        free(yweights);
    }
    return 0;
}