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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/base/audio_block_fifo.h" | 5 #include "media/base/audio_block_fifo.h" |
6 #include "testing/gtest/include/gtest/gtest.h" | 6 #include "testing/gtest/include/gtest/gtest.h" |
7 | 7 |
8 namespace media { | 8 namespace media { |
9 | 9 |
10 class AudioBlockFifoTest : public testing::Test { | 10 class AudioBlockFifoTest : public testing::Test { |
11 protected: | 11 public: |
12 AudioBlockFifoTest() {} | 12 AudioBlockFifoTest() {} |
13 virtual ~AudioBlockFifoTest() {} | 13 virtual ~AudioBlockFifoTest() {} |
14 | 14 |
| 15 void PushAndVerify(AudioBlockFifo* fifo, int frames_to_push, |
| 16 int channels, int block_frames, int max_frames) { |
| 17 const int bytes_per_sample = 2; |
| 18 const int data_byte_size = bytes_per_sample * channels * frames_to_push; |
| 19 scoped_ptr<uint8[]> data(new uint8[data_byte_size]); |
| 20 memset(data.get(), 0, data_byte_size); |
| 21 |
| 22 for (int filled_frames = max_frames - fifo->GetUnfilledFrames(); |
| 23 filled_frames + frames_to_push <= max_frames;) { |
| 24 fifo->Push(data.get(), frames_to_push, bytes_per_sample); |
| 25 filled_frames += frames_to_push; |
| 26 EXPECT_EQ(max_frames - filled_frames, fifo->GetUnfilledFrames()); |
| 27 EXPECT_EQ(static_cast<int>(filled_frames / block_frames), |
| 28 fifo->available_blocks()); |
| 29 } |
| 30 } |
| 31 |
15 private: | 32 private: |
16 DISALLOW_COPY_AND_ASSIGN(AudioBlockFifoTest); | 33 DISALLOW_COPY_AND_ASSIGN(AudioBlockFifoTest); |
17 }; | 34 }; |
18 | 35 |
19 class AudioBlockFifoFormatTest : public AudioBlockFifoTest, | |
20 public testing::WithParamInterface<bool> { | |
21 protected: | |
22 void PushAndVerify(AudioBlockFifo* fifo, | |
23 int frames_to_push, | |
24 int channels, | |
25 int block_frames, | |
26 int max_frames) { | |
27 const int bytes_per_sample = 2; | |
28 const int data_byte_size = bytes_per_sample * channels * frames_to_push; | |
29 if (GetParam()) { | |
30 scoped_ptr<media::AudioBus> data = | |
31 AudioBus::Create(channels, frames_to_push); | |
32 for (int filled_frames = max_frames - fifo->GetUnfilledFrames(); | |
33 filled_frames + frames_to_push <= max_frames;) { | |
34 fifo->Push(data.get()); | |
35 filled_frames += frames_to_push; | |
36 EXPECT_EQ(max_frames - filled_frames, fifo->GetUnfilledFrames()); | |
37 EXPECT_EQ(static_cast<int>(filled_frames / block_frames), | |
38 fifo->available_blocks()); | |
39 } | |
40 } else { | |
41 scoped_ptr<uint8[]> data(new uint8[data_byte_size]); | |
42 memset(data.get(), 0, data_byte_size); | |
43 for (int filled_frames = max_frames - fifo->GetUnfilledFrames(); | |
44 filled_frames + frames_to_push <= max_frames;) { | |
45 fifo->Push(data.get(), frames_to_push, bytes_per_sample); | |
46 filled_frames += frames_to_push; | |
47 EXPECT_EQ(max_frames - filled_frames, fifo->GetUnfilledFrames()); | |
48 EXPECT_EQ(static_cast<int>(filled_frames / block_frames), | |
49 fifo->available_blocks()); | |
50 } | |
51 } | |
52 } | |
53 }; | |
54 | |
55 // Verify that construction works as intended. | 36 // Verify that construction works as intended. |
56 TEST_F(AudioBlockFifoTest, Construct) { | 37 TEST_F(AudioBlockFifoTest, Construct) { |
57 const int channels = 6; | 38 const int channels = 6; |
58 const int frames = 128; | 39 const int frames = 128; |
59 const int blocks = 4; | 40 const int blocks = 4; |
60 AudioBlockFifo fifo(channels, frames, blocks); | 41 AudioBlockFifo fifo(channels, frames, blocks); |
61 EXPECT_EQ(0, fifo.available_blocks()); | 42 EXPECT_EQ(0, fifo.available_blocks()); |
62 EXPECT_EQ(frames * blocks, fifo.GetUnfilledFrames()); | 43 EXPECT_EQ(frames * blocks, fifo.GetUnfilledFrames()); |
63 } | 44 } |
64 | 45 |
65 // Pushes audio bus objects to/from a FIFO up to different degrees. | 46 // Pushes audio bus objects to/from a FIFO up to different degrees. |
66 TEST_P(AudioBlockFifoFormatTest, Push) { | 47 TEST_F(AudioBlockFifoTest, Push) { |
67 const int channels = 2; | 48 const int channels = 2; |
68 const int frames = 128; | 49 const int frames = 128; |
69 const int blocks = 2; | 50 const int blocks = 2; |
70 AudioBlockFifo fifo(channels, frames, blocks); | 51 AudioBlockFifo fifo(channels, frames, blocks); |
71 | 52 |
72 // Push frames / 2 of data until FIFO is full. | 53 // Push frames / 2 of data until FIFO is full. |
73 PushAndVerify(&fifo, frames / 2, channels, frames, frames * blocks); | 54 PushAndVerify(&fifo, frames / 2, channels, frames, frames * blocks); |
74 fifo.Clear(); | 55 fifo.Clear(); |
75 | 56 |
76 // Push frames of data until FIFO is full. | 57 // Push frames of data until FIFO is full. |
77 PushAndVerify(&fifo, frames, channels, frames, frames * blocks); | 58 PushAndVerify(&fifo, frames, channels, frames, frames * blocks); |
78 fifo.Clear(); | 59 fifo.Clear(); |
79 | 60 |
80 // Push 1.5 * frames of data. | 61 // Push 1.5 * frames of data. |
81 PushAndVerify(&fifo, frames * 1.5, channels, frames, frames * blocks); | 62 PushAndVerify(&fifo, frames * 1.5, channels, frames, frames * blocks); |
82 fifo.Clear(); | 63 fifo.Clear(); |
83 } | 64 } |
84 | 65 |
85 // Perform a sequence of Push/Consume calls to different degrees, and verify | 66 // Perform a sequence of Push/Consume calls to different degrees, and verify |
86 // things are correct. | 67 // things are correct. |
87 TEST_P(AudioBlockFifoFormatTest, PushAndConsume) { | 68 TEST_F(AudioBlockFifoTest, PushAndConsume) { |
88 const int channels = 2; | 69 const int channels = 2; |
89 const int frames = 441; | 70 const int frames = 441; |
90 const int blocks = 4; | 71 const int blocks = 4; |
91 AudioBlockFifo fifo(channels, frames, blocks); | 72 AudioBlockFifo fifo(channels, frames, blocks); |
92 PushAndVerify(&fifo, frames, channels, frames, frames * blocks); | 73 PushAndVerify(&fifo, frames, channels, frames, frames * blocks); |
93 EXPECT_TRUE(fifo.GetUnfilledFrames() == 0); | 74 EXPECT_TRUE(fifo.GetUnfilledFrames() == 0); |
94 EXPECT_TRUE(fifo.available_blocks() == blocks); | 75 EXPECT_TRUE(fifo.available_blocks() == blocks); |
95 | 76 |
96 // Consume 1 block of data. | 77 // Consume 1 block of data. |
97 const AudioBus* bus = fifo.Consume(); | 78 const AudioBus* bus = fifo.Consume(); |
(...skipping 14 matching lines...) Expand all Loading... |
112 EXPECT_TRUE(frames == bus->frames()); | 93 EXPECT_TRUE(frames == bus->frames()); |
113 EXPECT_TRUE(fifo.GetUnfilledFrames() == frames * i); | 94 EXPECT_TRUE(fifo.GetUnfilledFrames() == frames * i); |
114 EXPECT_TRUE(fifo.available_blocks() == (blocks - i)); | 95 EXPECT_TRUE(fifo.available_blocks() == (blocks - i)); |
115 } | 96 } |
116 EXPECT_TRUE(fifo.GetUnfilledFrames() == frames * blocks); | 97 EXPECT_TRUE(fifo.GetUnfilledFrames() == frames * blocks); |
117 EXPECT_TRUE(fifo.available_blocks() == 0); | 98 EXPECT_TRUE(fifo.available_blocks() == 0); |
118 | 99 |
119 fifo.Clear(); | 100 fifo.Clear(); |
120 int new_push_frames = 128; | 101 int new_push_frames = 128; |
121 // Change the input frame and try to fill up the FIFO. | 102 // Change the input frame and try to fill up the FIFO. |
122 PushAndVerify(&fifo, new_push_frames, channels, frames, frames * blocks); | 103 PushAndVerify(&fifo, new_push_frames, channels, frames, |
| 104 frames * blocks); |
123 EXPECT_TRUE(fifo.GetUnfilledFrames() != 0); | 105 EXPECT_TRUE(fifo.GetUnfilledFrames() != 0); |
124 EXPECT_TRUE(fifo.available_blocks() == blocks - 1); | 106 EXPECT_TRUE(fifo.available_blocks() == blocks -1); |
125 | 107 |
126 // Consume all the existing filled blocks of data. | 108 // Consume all the existing filled blocks of data. |
127 while (fifo.available_blocks()) { | 109 while (fifo.available_blocks()) { |
128 const AudioBus* bus = fifo.Consume(); | 110 const AudioBus* bus = fifo.Consume(); |
129 EXPECT_TRUE(channels == bus->channels()); | 111 EXPECT_TRUE(channels == bus->channels()); |
130 EXPECT_TRUE(frames == bus->frames()); | 112 EXPECT_TRUE(frames == bus->frames()); |
131 } | 113 } |
132 | 114 |
133 // Since one block of FIFO has not been completely filled up, there should | 115 // Since one block of FIFO has not been completely filled up, there should |
134 // be remaining frames. | 116 // be remaining frames. |
135 const int number_of_push = | 117 const int number_of_push = |
136 static_cast<int>(frames * blocks / new_push_frames); | 118 static_cast<int>(frames * blocks / new_push_frames); |
137 const int remain_frames = frames * blocks - fifo.GetUnfilledFrames(); | 119 const int remain_frames = frames * blocks - fifo.GetUnfilledFrames(); |
138 EXPECT_EQ(number_of_push * new_push_frames - frames * (blocks - 1), | 120 EXPECT_EQ(number_of_push * new_push_frames - frames * (blocks - 1), |
139 remain_frames); | 121 remain_frames); |
140 | 122 |
141 // Completely fill up the buffer again. | 123 // Completely fill up the buffer again. |
142 new_push_frames = frames * blocks - remain_frames; | 124 new_push_frames = frames * blocks - remain_frames; |
143 PushAndVerify(&fifo, new_push_frames, channels, frames, frames * blocks); | 125 PushAndVerify(&fifo, new_push_frames, channels, frames, |
| 126 frames * blocks); |
144 EXPECT_TRUE(fifo.GetUnfilledFrames() == 0); | 127 EXPECT_TRUE(fifo.GetUnfilledFrames() == 0); |
145 EXPECT_TRUE(fifo.available_blocks() == blocks); | 128 EXPECT_TRUE(fifo.available_blocks() == blocks); |
146 } | 129 } |
147 | 130 |
148 // Perform a sequence of Push/Consume calls to a 1 block FIFO. | 131 // Perform a sequence of Push/Consume calls to a 1 block FIFO. |
149 TEST_P(AudioBlockFifoFormatTest, PushAndConsumeOneBlockFifo) { | 132 TEST_F(AudioBlockFifoTest, PushAndConsumeOneBlockFifo) { |
150 static const int channels = 2; | 133 static const int channels = 2; |
151 static const int frames = 441; | 134 static const int frames = 441; |
152 static const int blocks = 1; | 135 static const int blocks = 1; |
153 AudioBlockFifo fifo(channels, frames, blocks); | 136 AudioBlockFifo fifo(channels, frames, blocks); |
154 PushAndVerify(&fifo, frames, channels, frames, frames * blocks); | 137 PushAndVerify(&fifo, frames, channels, frames, frames * blocks); |
155 EXPECT_TRUE(fifo.GetUnfilledFrames() == 0); | 138 EXPECT_TRUE(fifo.GetUnfilledFrames() == 0); |
156 EXPECT_TRUE(fifo.available_blocks() == blocks); | 139 EXPECT_TRUE(fifo.available_blocks() == blocks); |
157 | 140 |
158 // Consume 1 block of data. | 141 // Consume 1 block of data. |
159 const AudioBus* bus = fifo.Consume(); | 142 const AudioBus* bus = fifo.Consume(); |
160 EXPECT_TRUE(channels == bus->channels()); | 143 EXPECT_TRUE(channels == bus->channels()); |
161 EXPECT_TRUE(frames == bus->frames()); | 144 EXPECT_TRUE(frames == bus->frames()); |
162 EXPECT_TRUE(fifo.available_blocks() == 0); | 145 EXPECT_TRUE(fifo.available_blocks() == 0); |
163 EXPECT_TRUE(fifo.GetUnfilledFrames() == frames); | 146 EXPECT_TRUE(fifo.GetUnfilledFrames() == frames); |
164 } | 147 } |
165 | 148 |
166 INSTANTIATE_TEST_CASE_P(AudioBlockFifoTests, | |
167 AudioBlockFifoFormatTest, | |
168 ::testing::Values(false, true)); | |
169 | |
170 } // namespace media | 149 } // namespace media |
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