1 /*
2 * Copyright (c) 2013 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 <string>
12
13 #include "third_party/googletest/src/include/gtest/gtest.h"
14 #include "test/codec_factory.h"
15 #include "test/decode_test_driver.h"
16 #include "test/md5_helper.h"
17 #include "test/webm_video_source.h"
18 #include "vp9/decoder/vp9_thread.h"
19
20 namespace {
21
22 using std::string;
23
24 class VP9WorkerThreadTest : public ::testing::TestWithParam<bool> {
25 protected:
~VP9WorkerThreadTest()26 virtual ~VP9WorkerThreadTest() {}
SetUp()27 virtual void SetUp() {
28 vp9_worker_init(&worker_);
29 }
30
TearDown()31 virtual void TearDown() {
32 vp9_worker_end(&worker_);
33 }
34
35 VP9Worker worker_;
36 };
37
ThreadHook(void * data,void * return_value)38 int ThreadHook(void* data, void* return_value) {
39 int* const hook_data = reinterpret_cast<int*>(data);
40 *hook_data = 5;
41 return *reinterpret_cast<int*>(return_value);
42 }
43
TEST_P(VP9WorkerThreadTest,HookSuccess)44 TEST_P(VP9WorkerThreadTest, HookSuccess) {
45 EXPECT_NE(vp9_worker_sync(&worker_), 0); // should be a no-op.
46
47 for (int i = 0; i < 2; ++i) {
48 EXPECT_NE(vp9_worker_reset(&worker_), 0);
49
50 int hook_data = 0;
51 int return_value = 1; // return successfully from the hook
52 worker_.hook = ThreadHook;
53 worker_.data1 = &hook_data;
54 worker_.data2 = &return_value;
55
56 const bool synchronous = GetParam();
57 if (synchronous) {
58 vp9_worker_execute(&worker_);
59 } else {
60 vp9_worker_launch(&worker_);
61 }
62 EXPECT_NE(vp9_worker_sync(&worker_), 0);
63 EXPECT_FALSE(worker_.had_error);
64 EXPECT_EQ(5, hook_data);
65
66 EXPECT_NE(vp9_worker_sync(&worker_), 0); // should be a no-op.
67 }
68 }
69
TEST_P(VP9WorkerThreadTest,HookFailure)70 TEST_P(VP9WorkerThreadTest, HookFailure) {
71 EXPECT_NE(vp9_worker_reset(&worker_), 0);
72
73 int hook_data = 0;
74 int return_value = 0; // return failure from the hook
75 worker_.hook = ThreadHook;
76 worker_.data1 = &hook_data;
77 worker_.data2 = &return_value;
78
79 const bool synchronous = GetParam();
80 if (synchronous) {
81 vp9_worker_execute(&worker_);
82 } else {
83 vp9_worker_launch(&worker_);
84 }
85 EXPECT_FALSE(vp9_worker_sync(&worker_));
86 EXPECT_EQ(1, worker_.had_error);
87
88 // Ensure _reset() clears the error and _launch() can be called again.
89 return_value = 1;
90 EXPECT_NE(vp9_worker_reset(&worker_), 0);
91 EXPECT_FALSE(worker_.had_error);
92 vp9_worker_launch(&worker_);
93 EXPECT_NE(vp9_worker_sync(&worker_), 0);
94 EXPECT_FALSE(worker_.had_error);
95 }
96
97 // -----------------------------------------------------------------------------
98 // Multi-threaded decode tests
99
100 // Decodes |filename| with |num_threads|. Returns the md5 of the decoded frames.
DecodeFile(const string & filename,int num_threads)101 string DecodeFile(const string& filename, int num_threads) {
102 libvpx_test::WebMVideoSource video(filename);
103 video.Init();
104
105 vpx_codec_dec_cfg_t cfg = {0};
106 cfg.threads = num_threads;
107 libvpx_test::VP9Decoder decoder(cfg, 0);
108
109 libvpx_test::MD5 md5;
110 for (video.Begin(); video.cxdata(); video.Next()) {
111 const vpx_codec_err_t res =
112 decoder.DecodeFrame(video.cxdata(), video.frame_size());
113 if (res != VPX_CODEC_OK) {
114 EXPECT_EQ(VPX_CODEC_OK, res) << decoder.DecodeError();
115 break;
116 }
117
118 libvpx_test::DxDataIterator dec_iter = decoder.GetDxData();
119 const vpx_image_t *img = NULL;
120
121 // Get decompressed data
122 while ((img = dec_iter.Next())) {
123 md5.Add(img);
124 }
125 }
126 return string(md5.Get());
127 }
128
TEST(VP9DecodeMTTest,MTDecode)129 TEST(VP9DecodeMTTest, MTDecode) {
130 // no tiles or frame parallel; this exercises loop filter threading.
131 EXPECT_STREQ("b35a1b707b28e82be025d960aba039bc",
132 DecodeFile("vp90-2-03-size-226x226.webm", 2).c_str());
133 }
134
TEST(VP9DecodeMTTest,MTDecode2)135 TEST(VP9DecodeMTTest, MTDecode2) {
136 static const struct {
137 const char *name;
138 const char *expected_md5;
139 } files[] = {
140 { "vp90-2-08-tile_1x2_frame_parallel.webm",
141 "68ede6abd66bae0a2edf2eb9232241b6" },
142 { "vp90-2-08-tile_1x4_frame_parallel.webm",
143 "368ebc6ebf3a5e478d85b2c3149b2848" },
144 { "vp90-2-08-tile_1x8_frame_parallel.webm",
145 "17e439da2388aff3a0f69cb22579c6c1" },
146 };
147
148 for (int i = 0; i < static_cast<int>(sizeof(files) / sizeof(files[0])); ++i) {
149 for (int t = 2; t <= 8; ++t) {
150 EXPECT_STREQ(files[i].expected_md5, DecodeFile(files[i].name, t).c_str())
151 << "threads = " << t;
152 }
153 }
154 }
155
156 INSTANTIATE_TEST_CASE_P(Synchronous, VP9WorkerThreadTest, ::testing::Bool());
157
158 } // namespace
159