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// 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 "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());
}
} // namespace content
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