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1 /*
2  *  Copyright 2011 The LibYuv 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 #ifndef UNIT_TEST_UNIT_TEST_H_  // NOLINT
12 #define UNIT_TEST_UNIT_TEST_H_
13 
14 #ifdef WIN32
15 #include <windows.h>
16 #else
17 #include <sys/resource.h>
18 #include <sys/time.h>
19 #endif
20 
21 #include <gtest/gtest.h>
22 
23 #include "libyuv/basic_types.h"
24 
25 #ifndef SIMD_ALIGNED
26 #if defined(_MSC_VER) && !defined(__CLR_VER)
27 #define SIMD_ALIGNED(var) __declspec(align(16)) var
28 #elif defined(__GNUC__) && !defined(__pnacl__)
29 #define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
30 #else
31 #define SIMD_ALIGNED(var) var
32 #endif
33 #endif
34 
Abs(int v)35 static __inline int Abs(int v) {
36   return v >= 0 ? v : -v;
37 }
38 
FAbs(float v)39 static __inline float FAbs(float v) {
40   return v >= 0 ? v : -v;
41 }
42 #define OFFBY 0
43 
44 // Scaling uses 16.16 fixed point to step thru the source image, so a
45 // maximum size of 32767.999 can be expressed.  32768 is valid because
46 // the step is 1 beyond the image but not used.
47 // Destination size is mainly constrained by valid scale step not the
48 // absolute size, so it may be possible to relax the destination size
49 // constraint.
50 // Source size is unconstrained for most specialized scalers.  e.g.
51 // An image of 65536 scaled to half size would be valid.  The test
52 // could be relaxed for special scale factors.
53 // If this test is removed, the scaling function should gracefully
54 // fail with a return code.  The test could be changed to know that
55 // libyuv failed in a controlled way.
56 
57 static const int kMaxWidth = 32768;
58 static const int kMaxHeight = 32768;
59 
SizeValid(int src_width,int src_height,int dst_width,int dst_height)60 static inline bool SizeValid(int src_width,
61                              int src_height,
62                              int dst_width,
63                              int dst_height) {
64   if (src_width > kMaxWidth || src_height > kMaxHeight ||
65       dst_width > kMaxWidth || dst_height > kMaxHeight) {
66     printf("Warning - size too large to test.  Skipping\n");
67     return false;
68   }
69   return true;
70 }
71 
72 #define align_buffer_page_end(var, size)                                \
73   uint8_t* var##_mem =                                                  \
74       reinterpret_cast<uint8_t*>(malloc(((size) + 4095 + 63) & ~4095)); \
75   uint8_t* var = reinterpret_cast<uint8_t*>(                            \
76       (intptr_t)(var##_mem + (((size) + 4095 + 63) & ~4095) - (size)) & ~63)
77 
78 #define free_aligned_buffer_page_end(var) \
79   free(var##_mem);                        \
80   var = 0
81 
82 #ifdef WIN32
get_time()83 static inline double get_time() {
84   LARGE_INTEGER t, f;
85   QueryPerformanceCounter(&t);
86   QueryPerformanceFrequency(&f);
87   return static_cast<double>(t.QuadPart) / static_cast<double>(f.QuadPart);
88 }
89 #else
get_time()90 static inline double get_time() {
91   struct timeval t;
92   struct timezone tzp;
93   gettimeofday(&t, &tzp);
94   return t.tv_sec + t.tv_usec * 1e-6;
95 }
96 #endif
97 
98 #ifndef SIMD_ALIGNED
99 #if defined(_MSC_VER) && !defined(__CLR_VER)
100 #define SIMD_ALIGNED(var) __declspec(align(16)) var
101 #elif defined(__GNUC__) && !defined(__pnacl__)
102 #define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
103 #else
104 #define SIMD_ALIGNED(var) var
105 #endif
106 #endif
107 
108 extern unsigned int fastrand_seed;
fastrand()109 inline int fastrand() {
110   fastrand_seed = fastrand_seed * 214013u + 2531011u;
111   return static_cast<int>((fastrand_seed >> 16) & 0xffff);
112 }
113 
MemRandomize(uint8_t * dst,int64_t len)114 static inline void MemRandomize(uint8_t* dst, int64_t len) {
115   int64_t i;
116   for (i = 0; i < len - 1; i += 2) {
117     *reinterpret_cast<uint16_t*>(dst) = fastrand();
118     dst += 2;
119   }
120   for (; i < len; ++i) {
121     *dst++ = fastrand();
122   }
123 }
124 
125 class LibYUVColorTest : public ::testing::Test {
126  protected:
127   LibYUVColorTest();
128 
129   int benchmark_iterations_;  // Default 1. Use 1000 for benchmarking.
130   int benchmark_width_;       // Default 1280.  Use 640 for benchmarking VGA.
131   int benchmark_height_;      // Default 720.  Use 360 for benchmarking VGA.
132   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
133   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
134   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
135 };
136 
137 class LibYUVConvertTest : public ::testing::Test {
138  protected:
139   LibYUVConvertTest();
140 
141   int benchmark_iterations_;  // Default 1. Use 1000 for benchmarking.
142   int benchmark_width_;       // Default 1280.  Use 640 for benchmarking VGA.
143   int benchmark_height_;      // Default 720.  Use 360 for benchmarking VGA.
144   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
145   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
146   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
147 };
148 
149 class LibYUVScaleTest : public ::testing::Test {
150  protected:
151   LibYUVScaleTest();
152 
153   int benchmark_iterations_;  // Default 1. Use 1000 for benchmarking.
154   int benchmark_width_;       // Default 1280.  Use 640 for benchmarking VGA.
155   int benchmark_height_;      // Default 720.  Use 360 for benchmarking VGA.
156   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
157   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
158   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
159 };
160 
161 class LibYUVRotateTest : public ::testing::Test {
162  protected:
163   LibYUVRotateTest();
164 
165   int benchmark_iterations_;  // Default 1. Use 1000 for benchmarking.
166   int benchmark_width_;       // Default 1280.  Use 640 for benchmarking VGA.
167   int benchmark_height_;      // Default 720.  Use 360 for benchmarking VGA.
168   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
169   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
170   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
171 };
172 
173 class LibYUVPlanarTest : public ::testing::Test {
174  protected:
175   LibYUVPlanarTest();
176 
177   int benchmark_iterations_;  // Default 1. Use 1000 for benchmarking.
178   int benchmark_width_;       // Default 1280.  Use 640 for benchmarking VGA.
179   int benchmark_height_;      // Default 720.  Use 360 for benchmarking VGA.
180   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
181   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
182   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
183 };
184 
185 class LibYUVBaseTest : public ::testing::Test {
186  protected:
187   LibYUVBaseTest();
188 
189   int benchmark_iterations_;  // Default 1. Use 1000 for benchmarking.
190   int benchmark_width_;       // Default 1280.  Use 640 for benchmarking VGA.
191   int benchmark_height_;      // Default 720.  Use 360 for benchmarking VGA.
192   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
193   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
194   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
195 };
196 
197 class LibYUVCompareTest : public ::testing::Test {
198  protected:
199   LibYUVCompareTest();
200 
201   int benchmark_iterations_;  // Default 1. Use 1000 for benchmarking.
202   int benchmark_width_;       // Default 1280.  Use 640 for benchmarking VGA.
203   int benchmark_height_;      // Default 720.  Use 360 for benchmarking VGA.
204   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
205   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
206   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
207 };
208 
209 #endif  // UNIT_TEST_UNIT_TEST_H_  NOLINT
210