/* *  Copyright (c) 2012 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */#include "test/register_state_check.h"#include "third_party/googletest/src/include/gtest/gtest.h"extern "C" {#include "vpx_config.h"#include "vpx_rtcd.h"#include "vpx/vpx_integer.h"#include "vpx_mem/vpx_mem.h"} typedef void (*post_proc_func_t)(unsigned char *src_ptr,                                 unsigned char *dst_ptr,                                 int src_pixels_per_line,                                 int dst_pixels_per_line,                                 int cols,                                 unsigned char *flimit,                                 int size); namespace { class Vp8PostProcessingFilterTest    : public ::testing::TestWithParam<post_proc_func_t> {}; // Test routine for the VP8 post-processing function// vp8_post_proc_down_and_across_mb_row_c. TEST_P(Vp8PostProcessingFilterTest, FilterOutputCheck) {  // Size of the underlying data block that will be filtered.  const int block_width  = 16;  const int block_height = 16;   // 5-tap filter needs 2 padding rows above and below the block in the input.  const int input_width = block_width;  const int input_height = block_height + 4;  const int input_stride = input_width;  const int input_size = input_width * input_height;   // Filter extends output block by 8 samples at left and right edges.  const int output_width = block_width + 16;  const int output_height = block_height;  const int output_stride = output_width;  const int output_size = output_width * output_height;   uint8_t *const src_image =      reinterpret_cast<uint8_t*>(vpx_calloc(input_size, 1));  uint8_t *const dst_image =      reinterpret_cast<uint8_t*>(vpx_calloc(output_size, 1));   // Pointers to top-left pixel of block in the input and output images.  uint8_t *const src_image_ptr = src_image + (input_stride << 1);  uint8_t *const dst_image_ptr = dst_image + 8;  uint8_t *const flimits = reinterpret_cast<uint8_t *>(vpx_memalign(16, block_width));  (void)vpx_memset(flimits, 255, block_width);   // Initialize pixels in the input:  //   block pixels to value 1,  //   border pixels to value 10.  (void)vpx_memset(src_image, 10, input_size);  uint8_t *pixel_ptr = src_image_ptr;  for (int i = 0; i < block_height; ++i) {    for (int j = 0; j < block_width; ++j) {      pixel_ptr[j] = 1;    }    pixel_ptr += input_stride;  }   // Initialize pixels in the output to 99.  (void)vpx_memset(dst_image, 99, output_size);   REGISTER_STATE_CHECK(GetParam()(src_image_ptr, dst_image_ptr, input_stride,                                  output_stride, block_width, flimits, 16));   static const uint8_t expected_data[block_height] = {    4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 4  };   pixel_ptr = dst_image_ptr;  for (int i = 0; i < block_height; ++i) {    for (int j = 0; j < block_width; ++j) {      EXPECT_EQ(expected_data[i], pixel_ptr[j])          << "Vp8PostProcessingFilterTest failed with invalid filter output";    }    pixel_ptr += output_stride;  }   vpx_free(src_image);  vpx_free(dst_image);  vpx_free(flimits);}; INSTANTIATE_TEST_CASE_P(C, Vp8PostProcessingFilterTest,    ::testing::Values(vp8_post_proc_down_and_across_mb_row_c)); #if HAVE_SSE2INSTANTIATE_TEST_CASE_P(SSE2, Vp8PostProcessingFilterTest,    ::testing::Values(vp8_post_proc_down_and_across_mb_row_sse2));#endif }  // namespace