ref: 9fde1f2ee3cc149ec45a01942f9898f5f80648e8
dir: /test/pp_filter_test.cc/
/* * 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/clear_system_state.h" #include "test/register_state_check.h" #include "third_party/googletest/src/include/gtest/gtest.h" #include "./vpx_config.h" #include "./vp8_rtcd.h" #include "vpx/vpx_integer.h" #include "vpx_mem/vpx_mem.h" typedef void (*PostProcFunc)(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<PostProcFunc> { public: virtual void TearDown() { libvpx_test::ClearSystemState(); } }; // 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)memset(flimits, 255, block_width); // Initialize pixels in the input: // block pixels to value 1, // border pixels to value 10. (void)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)memset(dst_image, 99, output_size); ASM_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_SSE2 INSTANTIATE_TEST_CASE_P(SSE2, VP8PostProcessingFilterTest, ::testing::Values(vp8_post_proc_down_and_across_mb_row_sse2)); #endif #if HAVE_MSA INSTANTIATE_TEST_CASE_P(MSA, VP8PostProcessingFilterTest, ::testing::Values(vp8_post_proc_down_and_across_mb_row_msa)); #endif } // namespace