Pass more detailed audio hardware configuration information to the renderer

media/base/audio_hardware_config_unittest.cc

 // 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) {
-  AudioHardwareConfig fake_config(
-      kOutputBufferSize, kOutputSampleRate, kInputSampleRate,
-      kInputChannelLayout);
+  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) {
-  AudioHardwareConfig fake_config(
-      kOutputBufferSize, kOutputSampleRate, kInputSampleRate,
-      kInputChannelLayout);
+  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());
-  fake_config.UpdateOutputConfig(kNewOutputBufferSize, kNewOutputSampleRate);
+
+  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());
-  fake_config.UpdateInputConfig(kNewInputSampleRate, kNewInputChannelLayout);
+
+  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