1 /*
2 * Copyright (c) 2017 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
11 #include <assert.h>
12 #include <stdio.h>
13 #include <string.h>
14
15 #include "gtest/gtest.h"
16
17 #include "./vp9_rtcd.h"
18 #include "./vpx_config.h"
19 #include "./vpx_scale_rtcd.h"
20 #include "test/clear_system_state.h"
21 #include "test/register_state_check.h"
22 #include "test/vpx_scale_test.h"
23 #include "vpx_mem/vpx_mem.h"
24 #include "vpx_ports/vpx_timer.h"
25 #include "vpx_scale/yv12config.h"
26
27 namespace libvpx_test {
28
29 typedef void (*ScaleFrameFunc)(const YV12_BUFFER_CONFIG *src,
30 YV12_BUFFER_CONFIG *dst,
31 INTERP_FILTER filter_type, int phase_scaler);
32
33 class ScaleTest : public VpxScaleBase,
34 public ::testing::TestWithParam<ScaleFrameFunc> {
35 public:
36 ~ScaleTest() override = default;
37
38 protected:
SetUp()39 void SetUp() override { scale_fn_ = GetParam(); }
40
ReferenceScaleFrame(INTERP_FILTER filter_type,int phase_scaler)41 void ReferenceScaleFrame(INTERP_FILTER filter_type, int phase_scaler) {
42 vp9_scale_and_extend_frame_c(&img_, &ref_img_, filter_type, phase_scaler);
43 }
44
ScaleFrame(INTERP_FILTER filter_type,int phase_scaler)45 void ScaleFrame(INTERP_FILTER filter_type, int phase_scaler) {
46 ASM_REGISTER_STATE_CHECK(
47 scale_fn_(&img_, &dst_img_, filter_type, phase_scaler));
48 }
49
RunTest(INTERP_FILTER filter_type)50 void RunTest(INTERP_FILTER filter_type) {
51 static const int kNumSizesToTest = 22;
52 static const int kNumScaleFactorsToTest = 4;
53 static const int kSizesToTest[] = { 1, 2, 3, 4, 6, 8, 10, 12,
54 14, 16, 18, 20, 22, 24, 26, 28,
55 30, 32, 34, 68, 128, 134 };
56 static const int kScaleFactors[] = { 1, 2, 3, 4 };
57 for (int phase_scaler = 0; phase_scaler < 16; ++phase_scaler) {
58 for (int h = 0; h < kNumSizesToTest; ++h) {
59 const int src_height = kSizesToTest[h];
60 for (int w = 0; w < kNumSizesToTest; ++w) {
61 const int src_width = kSizesToTest[w];
62 for (int sf_up_idx = 0; sf_up_idx < kNumScaleFactorsToTest;
63 ++sf_up_idx) {
64 const int sf_up = kScaleFactors[sf_up_idx];
65 for (int sf_down_idx = 0; sf_down_idx < kNumScaleFactorsToTest;
66 ++sf_down_idx) {
67 const int sf_down = kScaleFactors[sf_down_idx];
68 const int dst_width = src_width * sf_up / sf_down;
69 const int dst_height = src_height * sf_up / sf_down;
70 if (sf_up == sf_down && sf_up != 1) {
71 continue;
72 }
73 // I420 frame width and height must be even.
74 if (!dst_width || !dst_height || dst_width & 1 ||
75 dst_height & 1) {
76 continue;
77 }
78 // vpx_convolve8_c() has restriction on the step which cannot
79 // exceed 64 (ratio 1 to 4).
80 if (src_width > 4 * dst_width || src_height > 4 * dst_height) {
81 continue;
82 }
83 ASSERT_NO_FATAL_FAILURE(ResetScaleImages(src_width, src_height,
84 dst_width, dst_height));
85 ReferenceScaleFrame(filter_type, phase_scaler);
86 ScaleFrame(filter_type, phase_scaler);
87 if (memcmp(dst_img_.buffer_alloc, ref_img_.buffer_alloc,
88 ref_img_.frame_size)) {
89 printf(
90 "filter_type = %d, phase_scaler = %d, src_width = %4d, "
91 "src_height = %4d, dst_width = %4d, dst_height = %4d, "
92 "scale factor = %d:%d\n",
93 filter_type, phase_scaler, src_width, src_height, dst_width,
94 dst_height, sf_down, sf_up);
95 PrintDiff();
96 }
97 CompareImages(dst_img_);
98 DeallocScaleImages();
99 }
100 }
101 }
102 }
103 }
104 }
105
PrintDiffComponent(const uint8_t * const ref,const uint8_t * const opt,const int stride,const int width,const int height,const int plane_idx) const106 void PrintDiffComponent(const uint8_t *const ref, const uint8_t *const opt,
107 const int stride, const int width, const int height,
108 const int plane_idx) const {
109 for (int y = 0; y < height; y++) {
110 for (int x = 0; x < width; x++) {
111 if (ref[y * stride + x] != opt[y * stride + x]) {
112 printf("Plane %d pixel[%d][%d] diff:%6d (ref),%6d (opt)\n", plane_idx,
113 y, x, ref[y * stride + x], opt[y * stride + x]);
114 break;
115 }
116 }
117 }
118 }
119
PrintDiff() const120 void PrintDiff() const {
121 assert(ref_img_.y_stride == dst_img_.y_stride);
122 assert(ref_img_.y_width == dst_img_.y_width);
123 assert(ref_img_.y_height == dst_img_.y_height);
124 assert(ref_img_.uv_stride == dst_img_.uv_stride);
125 assert(ref_img_.uv_width == dst_img_.uv_width);
126 assert(ref_img_.uv_height == dst_img_.uv_height);
127
128 if (memcmp(dst_img_.buffer_alloc, ref_img_.buffer_alloc,
129 ref_img_.frame_size)) {
130 PrintDiffComponent(ref_img_.y_buffer, dst_img_.y_buffer,
131 ref_img_.y_stride, ref_img_.y_width, ref_img_.y_height,
132 0);
133 PrintDiffComponent(ref_img_.u_buffer, dst_img_.u_buffer,
134 ref_img_.uv_stride, ref_img_.uv_width,
135 ref_img_.uv_height, 1);
136 PrintDiffComponent(ref_img_.v_buffer, dst_img_.v_buffer,
137 ref_img_.uv_stride, ref_img_.uv_width,
138 ref_img_.uv_height, 2);
139 }
140 }
141
142 ScaleFrameFunc scale_fn_;
143 };
144
TEST_P(ScaleTest,ScaleFrame_EightTap)145 TEST_P(ScaleTest, ScaleFrame_EightTap) { RunTest(EIGHTTAP); }
TEST_P(ScaleTest,ScaleFrame_EightTapSmooth)146 TEST_P(ScaleTest, ScaleFrame_EightTapSmooth) { RunTest(EIGHTTAP_SMOOTH); }
TEST_P(ScaleTest,ScaleFrame_EightTapSharp)147 TEST_P(ScaleTest, ScaleFrame_EightTapSharp) { RunTest(EIGHTTAP_SHARP); }
TEST_P(ScaleTest,ScaleFrame_Bilinear)148 TEST_P(ScaleTest, ScaleFrame_Bilinear) { RunTest(BILINEAR); }
149
TEST_P(ScaleTest,DISABLED_Speed)150 TEST_P(ScaleTest, DISABLED_Speed) {
151 static const int kCountSpeedTestBlock = 100;
152 static const int kNumScaleFactorsToTest = 4;
153 static const int kScaleFactors[] = { 1, 2, 3, 4 };
154 const int src_width = 1280;
155 const int src_height = 720;
156 for (INTERP_FILTER filter_type = 2; filter_type < 4; ++filter_type) {
157 for (int phase_scaler = 0; phase_scaler < 2; ++phase_scaler) {
158 for (int sf_up_idx = 0; sf_up_idx < kNumScaleFactorsToTest; ++sf_up_idx) {
159 const int sf_up = kScaleFactors[sf_up_idx];
160 for (int sf_down_idx = 0; sf_down_idx < kNumScaleFactorsToTest;
161 ++sf_down_idx) {
162 const int sf_down = kScaleFactors[sf_down_idx];
163 const int dst_width = src_width * sf_up / sf_down;
164 const int dst_height = src_height * sf_up / sf_down;
165 if (sf_up == sf_down && sf_up != 1) {
166 continue;
167 }
168 // I420 frame width and height must be even.
169 if (dst_width & 1 || dst_height & 1) {
170 continue;
171 }
172 ASSERT_NO_FATAL_FAILURE(
173 ResetScaleImages(src_width, src_height, dst_width, dst_height));
174 ASM_REGISTER_STATE_CHECK(
175 ReferenceScaleFrame(filter_type, phase_scaler));
176
177 vpx_usec_timer timer;
178 vpx_usec_timer_start(&timer);
179 for (int i = 0; i < kCountSpeedTestBlock; ++i) {
180 ScaleFrame(filter_type, phase_scaler);
181 }
182 libvpx_test::ClearSystemState();
183 vpx_usec_timer_mark(&timer);
184 const int elapsed_time =
185 static_cast<int>(vpx_usec_timer_elapsed(&timer) / 1000);
186 CompareImages(dst_img_);
187 DeallocScaleImages();
188
189 printf(
190 "filter_type = %d, phase_scaler = %d, src_width = %4d, "
191 "src_height = %4d, dst_width = %4d, dst_height = %4d, "
192 "scale factor = %d:%d, scale time: %5d ms\n",
193 filter_type, phase_scaler, src_width, src_height, dst_width,
194 dst_height, sf_down, sf_up, elapsed_time);
195 }
196 }
197 }
198 }
199 }
200
201 INSTANTIATE_TEST_SUITE_P(C, ScaleTest,
202 ::testing::Values(vp9_scale_and_extend_frame_c));
203
204 #if HAVE_SSSE3
205 INSTANTIATE_TEST_SUITE_P(SSSE3, ScaleTest,
206 ::testing::Values(vp9_scale_and_extend_frame_ssse3));
207 #endif // HAVE_SSSE3
208
209 #if HAVE_NEON
210 INSTANTIATE_TEST_SUITE_P(NEON, ScaleTest,
211 ::testing::Values(vp9_scale_and_extend_frame_neon));
212 #endif // HAVE_NEON
213
214 } // namespace libvpx_test
215