diff options
Diffstat (limited to 'chromium/third_party/libyuv/unit_test/scale_test.cc')
| -rw-r--r-- | chromium/third_party/libyuv/unit_test/scale_test.cc | 158 |
1 files changed, 149 insertions, 9 deletions
diff --git a/chromium/third_party/libyuv/unit_test/scale_test.cc b/chromium/third_party/libyuv/unit_test/scale_test.cc index c6f25604608..00f0707fb99 100644 --- a/chromium/third_party/libyuv/unit_test/scale_test.cc +++ b/chromium/third_party/libyuv/unit_test/scale_test.cc @@ -22,7 +22,7 @@ static int TestFilter(int src_width, int src_height, int dst_width, int dst_height, FilterMode f, int benchmark_iterations) { int i, j; - const int b = 128; + const int b = 0; // 128 to test for padding/stride. int src_width_uv = (Abs(src_width) + 1) >> 1; int src_height_uv = (Abs(src_height) + 1) >> 1; @@ -132,6 +132,134 @@ static int TestFilter(int src_width, int src_height, return max_diff; } +// Test scaling with 8 bit C vs 16 bit C and return maximum pixel difference. +// 0 = exact. +static int TestFilter_16(int src_width, int src_height, + int dst_width, int dst_height, + FilterMode f, int benchmark_iterations) { + int i, j; + const int b = 0; // 128 to test for padding/stride. + int src_width_uv = (Abs(src_width) + 1) >> 1; + int src_height_uv = (Abs(src_height) + 1) >> 1; + + int src_y_plane_size = (Abs(src_width) + b * 2) * (Abs(src_height) + b * 2); + int src_uv_plane_size = (src_width_uv + b * 2) * (src_height_uv + b * 2); + + int src_stride_y = b * 2 + Abs(src_width); + int src_stride_uv = b * 2 + src_width_uv; + + align_buffer_page_end(src_y, src_y_plane_size) + align_buffer_page_end(src_u, src_uv_plane_size) + align_buffer_page_end(src_v, src_uv_plane_size) + align_buffer_page_end(src_y_16, src_y_plane_size * 2) + align_buffer_page_end(src_u_16, src_uv_plane_size * 2) + align_buffer_page_end(src_v_16, src_uv_plane_size * 2) + uint16* p_src_y_16 = reinterpret_cast<uint16*>(src_y_16); + uint16* p_src_u_16 = reinterpret_cast<uint16*>(src_u_16); + uint16* p_src_v_16 = reinterpret_cast<uint16*>(src_v_16); + + srandom(time(NULL)); + MemRandomize(src_y, src_y_plane_size); + MemRandomize(src_u, src_uv_plane_size); + MemRandomize(src_v, src_uv_plane_size); + + for (i = b; i < src_height + b; ++i) { + for (j = b; j < src_width + b; ++j) { + p_src_y_16[(i * src_stride_y) + j] = src_y[(i * src_stride_y) + j]; + } + } + + for (i = b; i < (src_height_uv + b); ++i) { + for (j = b; j < (src_width_uv + b); ++j) { + p_src_u_16[(i * src_stride_uv) + j] = src_u[(i * src_stride_uv) + j]; + p_src_v_16[(i * src_stride_uv) + j] = src_v[(i * src_stride_uv) + j]; + } + } + + int dst_width_uv = (dst_width + 1) >> 1; + int dst_height_uv = (dst_height + 1) >> 1; + + int dst_y_plane_size = (dst_width + b * 2) * (dst_height + b * 2); + int dst_uv_plane_size = (dst_width_uv + b * 2) * (dst_height_uv + b * 2); + + int dst_stride_y = b * 2 + dst_width; + int dst_stride_uv = b * 2 + dst_width_uv; + + align_buffer_page_end(dst_y_8, dst_y_plane_size) + align_buffer_page_end(dst_u_8, dst_uv_plane_size) + align_buffer_page_end(dst_v_8, dst_uv_plane_size) + align_buffer_page_end(dst_y_16, dst_y_plane_size * 2) + align_buffer_page_end(dst_u_16, dst_uv_plane_size * 2) + align_buffer_page_end(dst_v_16, dst_uv_plane_size * 2) + + uint16* p_dst_y_16 = reinterpret_cast<uint16*>(dst_y_16); + uint16* p_dst_u_16 = reinterpret_cast<uint16*>(dst_u_16); + uint16* p_dst_v_16 = reinterpret_cast<uint16*>(dst_v_16); + + I420Scale(src_y + (src_stride_y * b) + b, src_stride_y, + src_u + (src_stride_uv * b) + b, src_stride_uv, + src_v + (src_stride_uv * b) + b, src_stride_uv, + src_width, src_height, + dst_y_8 + (dst_stride_y * b) + b, dst_stride_y, + dst_u_8 + (dst_stride_uv * b) + b, dst_stride_uv, + dst_v_8 + (dst_stride_uv * b) + b, dst_stride_uv, + dst_width, dst_height, f); + + for (i = 0; i < benchmark_iterations; ++i) { + I420Scale_16(p_src_y_16 + (src_stride_y * b) + b, src_stride_y, + p_src_u_16 + (src_stride_uv * b) + b, src_stride_uv, + p_src_v_16 + (src_stride_uv * b) + b, src_stride_uv, + src_width, src_height, + p_dst_y_16 + (dst_stride_y * b) + b, dst_stride_y, + p_dst_u_16 + (dst_stride_uv * b) + b, dst_stride_uv, + p_dst_v_16 + (dst_stride_uv * b) + b, dst_stride_uv, + dst_width, dst_height, f); + } + + // Expect an exact match + int max_diff = 0; + for (i = b; i < (dst_height + b); ++i) { + for (j = b; j < (dst_width + b); ++j) { + int abs_diff = Abs(dst_y_8[(i * dst_stride_y) + j] - + p_dst_y_16[(i * dst_stride_y) + j]); + if (abs_diff > max_diff) { + max_diff = abs_diff; + } + } + } + + for (i = b; i < (dst_height_uv + b); ++i) { + for (j = b; j < (dst_width_uv + b); ++j) { + int abs_diff = Abs(dst_u_8[(i * dst_stride_uv) + j] - + p_dst_u_16[(i * dst_stride_uv) + j]); + if (abs_diff > max_diff) { + max_diff = abs_diff; + } + abs_diff = Abs(dst_v_8[(i * dst_stride_uv) + j] - + p_dst_v_16[(i * dst_stride_uv) + j]); + if (abs_diff > max_diff) { + max_diff = abs_diff; + } + } + } + + free_aligned_buffer_page_end(dst_y_8) + free_aligned_buffer_page_end(dst_u_8) + free_aligned_buffer_page_end(dst_v_8) + free_aligned_buffer_page_end(dst_y_16) + free_aligned_buffer_page_end(dst_u_16) + free_aligned_buffer_page_end(dst_v_16) + + free_aligned_buffer_page_end(src_y) + free_aligned_buffer_page_end(src_u) + free_aligned_buffer_page_end(src_v) + free_aligned_buffer_page_end(src_y_16) + free_aligned_buffer_page_end(src_u_16) + free_aligned_buffer_page_end(src_v_16) + + return max_diff; +} + #define TEST_FACTOR1(name, filter, hfactor, vfactor, max_diff) \ TEST_F(libyuvTest, ScaleDownBy##name##_##filter) { \ int diff = TestFilter(benchmark_width_, benchmark_height_, \ @@ -139,6 +267,13 @@ static int TestFilter(int src_width, int src_height, Abs(benchmark_height_) * vfactor, \ kFilter##filter, benchmark_iterations_); \ EXPECT_LE(diff, max_diff); \ + } \ + TEST_F(libyuvTest, ScaleDownBy##name##_##filter##_16) { \ + int diff = TestFilter_16(benchmark_width_, benchmark_height_, \ + Abs(benchmark_width_) * hfactor, \ + Abs(benchmark_height_) * vfactor, \ + kFilter##filter, benchmark_iterations_); \ + EXPECT_LE(diff, max_diff); \ } // Test a scale factor with all 4 filters. Expect unfiltered to be exact, but @@ -149,16 +284,10 @@ static int TestFilter(int src_width, int src_height, TEST_FACTOR1(name, Bilinear, hfactor, vfactor, 3) \ TEST_FACTOR1(name, Box, hfactor, vfactor, 3) \ -// TODO(fbarchard): ScaleDownBy1 should be lossless, but Box has error of 2. -TEST_FACTOR(1, 1 / 1, 1 / 1) TEST_FACTOR(2, 1 / 2, 1 / 2) TEST_FACTOR(4, 1 / 4, 1 / 4) TEST_FACTOR(8, 1 / 8, 1 / 8) -TEST_FACTOR(16, 1 / 16, 1 / 16) -TEST_FACTOR(2by3, 2 / 3, 2 / 3) TEST_FACTOR(3by4, 3 / 4, 3 / 4) -TEST_FACTOR(3by8, 3 / 8, 3 / 8) -TEST_FACTOR(Vertical2by3, 1, 2 / 3) #undef TEST_FACTOR1 #undef TEST_FACTOR @@ -174,6 +303,18 @@ TEST_FACTOR(Vertical2by3, 1, 2 / 3) Abs(benchmark_width_), Abs(benchmark_height_), \ kFilter##filter, benchmark_iterations_); \ EXPECT_LE(diff, max_diff); \ + } \ + TEST_F(libyuvTest, name##To##width##x##height##_##filter##_16) { \ + int diff = TestFilter_16(benchmark_width_, benchmark_height_, \ + width, height, \ + kFilter##filter, benchmark_iterations_); \ + EXPECT_LE(diff, max_diff); \ + } \ + TEST_F(libyuvTest, name##From##width##x##height##_##filter##_16) { \ + int diff = TestFilter_16(width, height, \ + Abs(benchmark_width_), Abs(benchmark_height_), \ + kFilter##filter, benchmark_iterations_); \ + EXPECT_LE(diff, max_diff); \ } // Test scale to a specified size with all 4 filters. @@ -186,10 +327,9 @@ TEST_FACTOR(Vertical2by3, 1, 2 / 3) TEST_SCALETO(Scale, 1, 1) TEST_SCALETO(Scale, 320, 240) TEST_SCALETO(Scale, 352, 288) +TEST_SCALETO(Scale, 569, 480) TEST_SCALETO(Scale, 640, 360) -TEST_SCALETO(Scale, 853, 480) TEST_SCALETO(Scale, 1280, 720) -TEST_SCALETO(Scale, 1920, 1080) #undef TEST_SCALETO1 #undef TEST_SCALETO |