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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 
39 #define OFFBY 0
40 
41 // Scaling uses 16.16 fixed point to step thru the source image, so a
42 // maximum size of 32767.999 can be expressed.  32768 is valid because
43 // the step is 1 beyond the image but not used.
44 // Destination size is mainly constrained by valid scale step not the
45 // absolute size, so it may be possible to relax the destination size
46 // constraint.
47 // Source size is unconstrained for most specialized scalers.  e.g.
48 // An image of 65536 scaled to half size would be valid.  The test
49 // could be relaxed for special scale factors.
50 // If this test is removed, the scaling function should gracefully
51 // fail with a return code.  The test could be changed to know that
52 // libyuv failed in a controlled way.
53 
54 static const int kMaxWidth = 32768;
55 static const int kMaxHeight = 32768;
56 
SizeValid(int src_width,int src_height,int dst_width,int dst_height)57 static inline bool SizeValid(int src_width,
58                              int src_height,
59                              int dst_width,
60                              int dst_height) {
61   if (src_width > kMaxWidth || src_height > kMaxHeight ||
62       dst_width > kMaxWidth || dst_height > kMaxHeight) {
63     printf("Warning - size too large to test.  Skipping\n");
64     return false;
65   }
66   return true;
67 }
68 
69 #define align_buffer_page_end(var, size)                                      \
70   uint8* var;                                                                 \
71   uint8* var##_mem;                                                           \
72   var##_mem = reinterpret_cast<uint8*>(malloc(((size) + 4095 + 63) & ~4095)); \
73   var = (uint8*)((intptr_t)(var##_mem + (((size) + 4095 + 63) & ~4095) -      \
74                             (size)) &                                         \
75                  ~63);
76 
77 #define free_aligned_buffer_page_end(var) \
78   free(var##_mem);                        \
79   var = 0;
80 
81 #ifdef WIN32
get_time()82 static inline double get_time() {
83   LARGE_INTEGER t, f;
84   QueryPerformanceCounter(&t);
85   QueryPerformanceFrequency(&f);
86   return static_cast<double>(t.QuadPart) / static_cast<double>(f.QuadPart);
87 }
88 #else
get_time()89 static inline double get_time() {
90   struct timeval t;
91   struct timezone tzp;
92   gettimeofday(&t, &tzp);
93   return t.tv_sec + t.tv_usec * 1e-6;
94 }
95 #endif
96 
97 #ifndef SIMD_ALIGNED
98 #if defined(_MSC_VER) && !defined(__CLR_VER)
99 #define SIMD_ALIGNED(var) __declspec(align(16)) var
100 #elif defined(__GNUC__) && !defined(__pnacl__)
101 #define SIMD_ALIGNED(var) var __attribute__((aligned(16)))
102 #else
103 #define SIMD_ALIGNED(var) var
104 #endif
105 #endif
106 
107 extern unsigned int fastrand_seed;
fastrand()108 inline int fastrand() {
109   fastrand_seed = fastrand_seed * 214013u + 2531011u;
110   return static_cast<int>((fastrand_seed >> 16) & 0xffff);
111 }
112 
MemRandomize(uint8 * dst,int64 len)113 static inline void MemRandomize(uint8* dst, int64 len) {
114   int64 i;
115   for (i = 0; i < len - 1; i += 2) {
116     *reinterpret_cast<uint16*>(dst) = fastrand();
117     dst += 2;
118   }
119   for (; i < len; ++i) {
120     *dst++ = fastrand();
121   }
122 }
123 
124 class LibYUVColorTest : public ::testing::Test {
125  protected:
126   LibYUVColorTest();
127 
128   int benchmark_iterations_;     // Default 1. Use 1000 for benchmarking.
129   int benchmark_width_;          // Default 1280.  Use 640 for benchmarking VGA.
130   int benchmark_height_;         // Default 720.  Use 360 for benchmarking VGA.
131   int benchmark_pixels_div256_;  // Total pixels to benchmark / 256.
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_div256_;  // Total pixels to benchmark / 256.
145   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
146   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
147   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
148 };
149 
150 class LibYUVScaleTest : public ::testing::Test {
151  protected:
152   LibYUVScaleTest();
153 
154   int benchmark_iterations_;     // Default 1. Use 1000 for benchmarking.
155   int benchmark_width_;          // Default 1280.  Use 640 for benchmarking VGA.
156   int benchmark_height_;         // Default 720.  Use 360 for benchmarking VGA.
157   int benchmark_pixels_div256_;  // Total pixels to benchmark / 256.
158   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
159   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
160   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
161 };
162 
163 class LibYUVRotateTest : public ::testing::Test {
164  protected:
165   LibYUVRotateTest();
166 
167   int benchmark_iterations_;     // Default 1. Use 1000 for benchmarking.
168   int benchmark_width_;          // Default 1280.  Use 640 for benchmarking VGA.
169   int benchmark_height_;         // Default 720.  Use 360 for benchmarking VGA.
170   int benchmark_pixels_div256_;  // Total pixels to benchmark / 256.
171   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
172   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
173   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
174 };
175 
176 class LibYUVPlanarTest : public ::testing::Test {
177  protected:
178   LibYUVPlanarTest();
179 
180   int benchmark_iterations_;     // Default 1. Use 1000 for benchmarking.
181   int benchmark_width_;          // Default 1280.  Use 640 for benchmarking VGA.
182   int benchmark_height_;         // Default 720.  Use 360 for benchmarking VGA.
183   int benchmark_pixels_div256_;  // Total pixels to benchmark / 256.
184   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
185   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
186   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
187 };
188 
189 class LibYUVBaseTest : public ::testing::Test {
190  protected:
191   LibYUVBaseTest();
192 
193   int benchmark_iterations_;     // Default 1. Use 1000 for benchmarking.
194   int benchmark_width_;          // Default 1280.  Use 640 for benchmarking VGA.
195   int benchmark_height_;         // Default 720.  Use 360 for benchmarking VGA.
196   int benchmark_pixels_div256_;  // Total pixels to benchmark / 256.
197   int benchmark_pixels_div1280_;  // Total pixels to benchmark / 1280.
198   int disable_cpu_flags_;         // Default 1.  Use -1 for benchmarking.
199   int benchmark_cpu_info_;        // Default -1.  Use 1 to disable SIMD.
200 };
201 
202 #endif  // UNIT_TEST_UNIT_TEST_H_  NOLINT
203