1 /* 2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 #include "test/clear_system_state.h" 11 #include "test/register_state_check.h" 12 #include "third_party/googletest/src/include/gtest/gtest.h" 13 #include "./vpx_config.h" 14 #include "./vp8_rtcd.h" 15 #include "vpx/vpx_integer.h" 16 #include "vpx_mem/vpx_mem.h" 17 18 typedef void (*post_proc_func_t)(unsigned char *src_ptr, 19 unsigned char *dst_ptr, 20 int src_pixels_per_line, 21 int dst_pixels_per_line, 22 int cols, 23 unsigned char *flimit, 24 int size); 25 26 namespace { 27 28 class VP8PostProcessingFilterTest 29 : public ::testing::TestWithParam<post_proc_func_t> { 30 public: 31 virtual void TearDown() { 32 libvpx_test::ClearSystemState(); 33 } 34 }; 35 36 // Test routine for the VP8 post-processing function 37 // vp8_post_proc_down_and_across_mb_row_c. 38 39 TEST_P(VP8PostProcessingFilterTest, FilterOutputCheck) { 40 // Size of the underlying data block that will be filtered. 41 const int block_width = 16; 42 const int block_height = 16; 43 44 // 5-tap filter needs 2 padding rows above and below the block in the input. 45 const int input_width = block_width; 46 const int input_height = block_height + 4; 47 const int input_stride = input_width; 48 const int input_size = input_width * input_height; 49 50 // Filter extends output block by 8 samples at left and right edges. 51 const int output_width = block_width + 16; 52 const int output_height = block_height; 53 const int output_stride = output_width; 54 const int output_size = output_width * output_height; 55 56 uint8_t *const src_image = 57 reinterpret_cast<uint8_t*>(vpx_calloc(input_size, 1)); 58 uint8_t *const dst_image = 59 reinterpret_cast<uint8_t*>(vpx_calloc(output_size, 1)); 60 61 // Pointers to top-left pixel of block in the input and output images. 62 uint8_t *const src_image_ptr = src_image + (input_stride << 1); 63 uint8_t *const dst_image_ptr = dst_image + 8; 64 uint8_t *const flimits = 65 reinterpret_cast<uint8_t *>(vpx_memalign(16, block_width)); 66 (void)vpx_memset(flimits, 255, block_width); 67 68 // Initialize pixels in the input: 69 // block pixels to value 1, 70 // border pixels to value 10. 71 (void)vpx_memset(src_image, 10, input_size); 72 uint8_t *pixel_ptr = src_image_ptr; 73 for (int i = 0; i < block_height; ++i) { 74 for (int j = 0; j < block_width; ++j) { 75 pixel_ptr[j] = 1; 76 } 77 pixel_ptr += input_stride; 78 } 79 80 // Initialize pixels in the output to 99. 81 (void)vpx_memset(dst_image, 99, output_size); 82 83 REGISTER_STATE_CHECK(GetParam()(src_image_ptr, dst_image_ptr, input_stride, 84 output_stride, block_width, flimits, 16)); 85 86 static const uint8_t expected_data[block_height] = { 87 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 4 88 }; 89 90 pixel_ptr = dst_image_ptr; 91 for (int i = 0; i < block_height; ++i) { 92 for (int j = 0; j < block_width; ++j) { 93 EXPECT_EQ(expected_data[i], pixel_ptr[j]) 94 << "VP8PostProcessingFilterTest failed with invalid filter output"; 95 } 96 pixel_ptr += output_stride; 97 } 98 99 vpx_free(src_image); 100 vpx_free(dst_image); 101 vpx_free(flimits); 102 }; 103 104 INSTANTIATE_TEST_CASE_P(C, VP8PostProcessingFilterTest, 105 ::testing::Values(vp8_post_proc_down_and_across_mb_row_c)); 106 107 #if HAVE_SSE2 108 INSTANTIATE_TEST_CASE_P(SSE2, VP8PostProcessingFilterTest, 109 ::testing::Values(vp8_post_proc_down_and_across_mb_row_sse2)); 110 #endif 111 112 } // namespace 113
