| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "build/build_config.h" |
| #include "media/base/audio_hardware_config.h" |
| #include "media/audio/audio_parameters.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace media { |
| |
| static const int kOutputBufferSize = 2048; |
| static const int kOutputSampleRate = 48000; |
| static const ChannelLayout kOutputChannelLayout = CHANNEL_LAYOUT_STEREO; |
| static const int kInputSampleRate = 44100; |
| static const ChannelLayout kInputChannelLayout = CHANNEL_LAYOUT_STEREO; |
| |
| TEST(AudioHardwareConfig, Getters) { |
| AudioParameters input_params( |
| AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kInputChannelLayout, |
| kInputSampleRate, |
| 16, |
| kOutputBufferSize); |
| |
| AudioParameters output_params( |
| AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kOutputChannelLayout, |
| kOutputSampleRate, |
| 16, |
| kOutputBufferSize); |
| |
| AudioHardwareConfig fake_config(input_params, output_params); |
| |
| EXPECT_EQ(kOutputBufferSize, fake_config.GetOutputBufferSize()); |
| EXPECT_EQ(kOutputSampleRate, fake_config.GetOutputSampleRate()); |
| EXPECT_EQ(kInputSampleRate, fake_config.GetInputSampleRate()); |
| EXPECT_EQ(kInputChannelLayout, fake_config.GetInputChannelLayout()); |
| } |
| |
| TEST(AudioHardwareConfig, Setters) { |
| AudioParameters input_params( |
| AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kInputChannelLayout, |
| kInputSampleRate, |
| 16, |
| kOutputBufferSize); |
| |
| AudioParameters output_params( |
| AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kOutputChannelLayout, |
| kOutputSampleRate, |
| 16, |
| kOutputBufferSize); |
| |
| AudioHardwareConfig fake_config(input_params, output_params); |
| |
| // Verify output parameters. |
| const int kNewOutputBufferSize = kOutputBufferSize * 2; |
| const int kNewOutputSampleRate = kOutputSampleRate * 2; |
| EXPECT_NE(kNewOutputBufferSize, fake_config.GetOutputBufferSize()); |
| EXPECT_NE(kNewOutputSampleRate, fake_config.GetOutputSampleRate()); |
| |
| AudioParameters new_output_params( |
| AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kOutputChannelLayout, |
| kNewOutputSampleRate, |
| 16, |
| kNewOutputBufferSize); |
| fake_config.UpdateOutputConfig(new_output_params); |
| EXPECT_EQ(kNewOutputBufferSize, fake_config.GetOutputBufferSize()); |
| EXPECT_EQ(kNewOutputSampleRate, fake_config.GetOutputSampleRate()); |
| |
| // Verify input parameters. |
| const int kNewInputSampleRate = kInputSampleRate * 2; |
| const ChannelLayout kNewInputChannelLayout = CHANNEL_LAYOUT_MONO; |
| EXPECT_NE(kNewInputSampleRate, fake_config.GetInputSampleRate()); |
| EXPECT_NE(kNewInputChannelLayout, fake_config.GetInputChannelLayout()); |
| |
| AudioParameters new_input_params( |
| AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kNewInputChannelLayout, |
| kNewInputSampleRate, |
| 16, |
| kOutputBufferSize); |
| fake_config.UpdateInputConfig(new_input_params); |
| EXPECT_EQ(kNewInputSampleRate, fake_config.GetInputSampleRate()); |
| EXPECT_EQ(kNewInputChannelLayout, fake_config.GetInputChannelLayout()); |
| } |
| |
| TEST(AudioHardwareConfig, HighLatencyBufferSizes) { |
| AudioParameters input_params(AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kInputChannelLayout, |
| kInputSampleRate, |
| 16, |
| kOutputBufferSize); |
| AudioParameters output_params(AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kOutputChannelLayout, |
| 3200, |
| 16, |
| 32); |
| AudioHardwareConfig fake_config(input_params, output_params); |
| |
| #if defined(OS_WIN) |
| for (int i = 6400; i <= 204800; i *= 2) { |
| fake_config.UpdateOutputConfig( |
| AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kOutputChannelLayout, |
| i, |
| 16, |
| i / 100)); |
| EXPECT_EQ(2 * (i / 100), fake_config.GetHighLatencyBufferSize()); |
| } |
| #else |
| EXPECT_EQ(64, fake_config.GetHighLatencyBufferSize()); |
| |
| for (int i = 6400; i <= 204800; i *= 2) { |
| fake_config.UpdateOutputConfig( |
| AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, |
| kOutputChannelLayout, |
| i, |
| 16, |
| 32)); |
| EXPECT_EQ(2 * (i / 100), fake_config.GetHighLatencyBufferSize()); |
| } |
| #endif // defined(OS_WIN) |
| } |
| |
| } // namespace content |