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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 <vector> | 5 #include <vector> |
6 | 6 |
7 #include "base/at_exit.h" | 7 #include "base/at_exit.h" |
8 #include "base/memory/shared_memory.h" | 8 #include "base/memory/shared_memory.h" |
9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "base/process/process_handle.h" | 10 #include "base/process/process_handle.h" |
11 #include "base/sync_socket.h" | 11 #include "base/sync_socket.h" |
12 #include "base/test/test_timeouts.h" | 12 #include "base/test/test_timeouts.h" |
13 #include "media/audio/audio_output_device.h" | 13 #include "media/audio/audio_output_device.h" |
14 #include "media/audio/sample_rates.h" | 14 #include "media/audio/sample_rates.h" |
15 #include "media/audio/shared_memory_util.h" | |
16 #include "testing/gmock/include/gmock/gmock.h" | 15 #include "testing/gmock/include/gmock/gmock.h" |
17 #include "testing/gmock_mutant.h" | 16 #include "testing/gmock_mutant.h" |
18 #include "testing/gtest/include/gtest/gtest.h" | 17 #include "testing/gtest/include/gtest/gtest.h" |
19 | 18 |
20 using base::CancelableSyncSocket; | 19 using base::CancelableSyncSocket; |
21 using base::SharedMemory; | 20 using base::SharedMemory; |
22 using base::SyncSocket; | 21 using base::SyncSocket; |
23 using testing::_; | 22 using testing::_; |
24 using testing::DoAll; | 23 using testing::DoAll; |
25 using testing::Invoke; | 24 using testing::Invoke; |
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126 | 125 |
127 int AudioOutputDeviceTest::CalculateMemorySize() { | 126 int AudioOutputDeviceTest::CalculateMemorySize() { |
128 // Calculate output and input memory size. | 127 // Calculate output and input memory size. |
129 int output_memory_size = | 128 int output_memory_size = |
130 AudioBus::CalculateMemorySize(default_audio_parameters_); | 129 AudioBus::CalculateMemorySize(default_audio_parameters_); |
131 | 130 |
132 int frames = default_audio_parameters_.frames_per_buffer(); | 131 int frames = default_audio_parameters_.frames_per_buffer(); |
133 int input_memory_size = | 132 int input_memory_size = |
134 AudioBus::CalculateMemorySize(input_channels_, frames); | 133 AudioBus::CalculateMemorySize(input_channels_, frames); |
135 | 134 |
136 int io_buffer_size = output_memory_size + input_memory_size; | 135 return output_memory_size + input_memory_size; |
137 | |
138 // This is where it gets a bit hacky. The shared memory contract between | |
139 // AudioOutputDevice and its browser side counter part includes a bit more | |
140 // than just the audio data, so we must call TotalSharedMemorySizeInBytes() | |
141 // to get the actual size needed to fit the audio data plus the extra data. | |
142 return TotalSharedMemorySizeInBytes(io_buffer_size); | |
143 } | 136 } |
144 | 137 |
145 AudioOutputDeviceTest::AudioOutputDeviceTest() | 138 AudioOutputDeviceTest::AudioOutputDeviceTest() |
146 : synchronized_io_(GetParam()), | 139 : synchronized_io_(GetParam()), |
147 input_channels_(synchronized_io_ ? 2 : 0) { | 140 input_channels_(synchronized_io_ ? 2 : 0) { |
148 default_audio_parameters_.Reset( | 141 default_audio_parameters_.Reset( |
149 AudioParameters::AUDIO_PCM_LINEAR, | 142 AudioParameters::AUDIO_PCM_LINEAR, |
150 CHANNEL_LAYOUT_STEREO, 2, input_channels_, | 143 CHANNEL_LAYOUT_STEREO, 2, input_channels_, |
151 48000, 16, 1024); | 144 48000, 16, 1024); |
152 | 145 |
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186 // ownership will be transferred and AudioOutputDevice is responsible for | 179 // ownership will be transferred and AudioOutputDevice is responsible for |
187 // freeing. | 180 // freeing. |
188 SyncSocket::Handle audio_device_socket = SyncSocket::kInvalidHandle; | 181 SyncSocket::Handle audio_device_socket = SyncSocket::kInvalidHandle; |
189 ASSERT_TRUE(DuplicateSocketHandle(renderer_socket_.handle(), | 182 ASSERT_TRUE(DuplicateSocketHandle(renderer_socket_.handle(), |
190 &audio_device_socket)); | 183 &audio_device_socket)); |
191 base::SharedMemoryHandle duplicated_memory_handle; | 184 base::SharedMemoryHandle duplicated_memory_handle; |
192 ASSERT_TRUE(shared_memory_.ShareToProcess(base::GetCurrentProcessHandle(), | 185 ASSERT_TRUE(shared_memory_.ShareToProcess(base::GetCurrentProcessHandle(), |
193 &duplicated_memory_handle)); | 186 &duplicated_memory_handle)); |
194 | 187 |
195 audio_device_->OnStreamCreated(duplicated_memory_handle, audio_device_socket, | 188 audio_device_->OnStreamCreated(duplicated_memory_handle, audio_device_socket, |
196 PacketSizeInBytes(kMemorySize)); | 189 kMemorySize); |
197 io_loop_.RunUntilIdle(); | 190 io_loop_.RunUntilIdle(); |
198 } | 191 } |
199 | 192 |
200 void AudioOutputDeviceTest::ExpectRenderCallback() { | 193 void AudioOutputDeviceTest::ExpectRenderCallback() { |
201 // We should get a 'play' notification when we call OnStreamCreated(). | 194 // We should get a 'play' notification when we call OnStreamCreated(). |
202 // Respond by asking for some audio data. This should ask our callback | 195 // Respond by asking for some audio data. This should ask our callback |
203 // to provide some audio data that AudioOutputDevice then writes into the | 196 // to provide some audio data that AudioOutputDevice then writes into the |
204 // shared memory section. | 197 // shared memory section. |
205 const int kMemorySize = CalculateMemorySize(); | 198 const int kMemorySize = CalculateMemorySize(); |
206 | 199 |
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283 ExpectRenderCallback(); | 276 ExpectRenderCallback(); |
284 CreateStream(); | 277 CreateStream(); |
285 WaitUntilRenderCallback(); | 278 WaitUntilRenderCallback(); |
286 StopAudioDevice(); | 279 StopAudioDevice(); |
287 } | 280 } |
288 | 281 |
289 INSTANTIATE_TEST_CASE_P(Render, AudioOutputDeviceTest, Values(false)); | 282 INSTANTIATE_TEST_CASE_P(Render, AudioOutputDeviceTest, Values(false)); |
290 INSTANTIATE_TEST_CASE_P(RenderIO, AudioOutputDeviceTest, Values(true)); | 283 INSTANTIATE_TEST_CASE_P(RenderIO, AudioOutputDeviceTest, Values(true)); |
291 | 284 |
292 } // namespace media. | 285 } // namespace media. |
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