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1 /* | |
2 * Copyright (c) 2014 The WebRTC 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 // Unit tests for FilePlayer. | |
12 | |
13 #include "voice_engine/file_player.h" | |
14 | |
15 #include <stdio.h> | |
16 | |
17 #include <memory> | |
18 #include <string> | |
19 | |
20 #include "rtc_base/flags.h" | |
21 #include "rtc_base/md5digest.h" | |
22 #include "rtc_base/stringencode.h" | |
23 #include "test/gtest.h" | |
24 #include "test/testsupport/fileutils.h" | |
25 | |
26 DEFINE_bool(file_player_output, false, "Generate reference files."); | |
27 | |
28 namespace webrtc { | |
29 | |
30 class FilePlayerTest : public ::testing::Test { | |
31 protected: | |
32 static const uint32_t kId = 0; | |
33 static const FileFormats kFileFormat = kFileFormatWavFile; | |
34 static const int kSampleRateHz = 8000; | |
35 | |
36 FilePlayerTest() | |
37 : player_(FilePlayer::CreateFilePlayer(kId, kFileFormat)), | |
38 output_file_(NULL) {} | |
39 | |
40 void SetUp() override { | |
41 if (FLAG_file_player_output) { | |
42 std::string output_file = | |
43 webrtc::test::OutputPath() + "file_player_unittest_out.pcm"; | |
44 output_file_ = fopen(output_file.c_str(), "wb"); | |
45 ASSERT_TRUE(output_file_ != NULL); | |
46 } | |
47 } | |
48 | |
49 void TearDown() override { | |
50 if (output_file_) | |
51 fclose(output_file_); | |
52 } | |
53 | |
54 void PlayFileAndCheck(const std::string& input_file, | |
55 const std::string& ref_checksum, | |
56 int output_length_ms) { | |
57 const float kScaling = 1; | |
58 ASSERT_EQ(0, player_->StartPlayingFile(input_file.c_str(), false, 0, | |
59 kScaling, 0, 0, NULL)); | |
60 rtc::Md5Digest checksum; | |
61 for (int i = 0; i < output_length_ms / 10; ++i) { | |
62 int16_t out[10 * kSampleRateHz / 1000] = {0}; | |
63 size_t num_samples; | |
64 EXPECT_EQ( | |
65 0, player_->Get10msAudioFromFile(out, &num_samples, kSampleRateHz)); | |
66 checksum.Update(out, num_samples * sizeof(out[0])); | |
67 if (FLAG_file_player_output) { | |
68 ASSERT_EQ(num_samples, | |
69 fwrite(out, sizeof(out[0]), num_samples, output_file_)); | |
70 } | |
71 } | |
72 char checksum_result[rtc::Md5Digest::kSize]; | |
73 EXPECT_EQ(rtc::Md5Digest::kSize, | |
74 checksum.Finish(checksum_result, rtc::Md5Digest::kSize)); | |
75 EXPECT_EQ(ref_checksum, | |
76 rtc::hex_encode(checksum_result, sizeof(checksum_result))); | |
77 } | |
78 | |
79 std::unique_ptr<FilePlayer> player_; | |
80 FILE* output_file_; | |
81 }; | |
82 | |
83 #if defined(WEBRTC_IOS) | |
84 #define MAYBE_PlayWavPcmuFile DISABLED_PlayWavPcmuFile | |
85 #else | |
86 #define MAYBE_PlayWavPcmuFile PlayWavPcmuFile | |
87 #endif | |
88 TEST_F(FilePlayerTest, MAYBE_PlayWavPcmuFile) { | |
89 const std::string kFileName = | |
90 test::ResourcePath("utility/encapsulated_pcmu_8khz", "wav"); | |
91 // The file is longer than this, but keeping the output shorter limits the | |
92 // runtime for the test. | |
93 const int kOutputLengthMs = 10000; | |
94 const std::string kRefChecksum = "c74e7fd432d439b1311e1c16815b3e9a"; | |
95 | |
96 PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs); | |
97 } | |
98 | |
99 #if defined(WEBRTC_IOS) | |
100 #define MAYBE_PlayWavPcm16File DISABLED_PlayWavPcm16File | |
101 #else | |
102 #define MAYBE_PlayWavPcm16File PlayWavPcm16File | |
103 #endif | |
104 TEST_F(FilePlayerTest, MAYBE_PlayWavPcm16File) { | |
105 const std::string kFileName = | |
106 test::ResourcePath("utility/encapsulated_pcm16b_8khz", "wav"); | |
107 // The file is longer than this, but keeping the output shorter limits the | |
108 // runtime for the test. | |
109 const int kOutputLengthMs = 10000; | |
110 const std::string kRefChecksum = "e41d7e1dac8aeae9f21e8e03cd7ecd71"; | |
111 | |
112 PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs); | |
113 } | |
114 | |
115 } // namespace webrtc | |
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