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      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "media/base/audio_hardware_config.h"
      6 
      7 using base::AutoLock;
      8 using media::AudioParameters;
      9 
     10 namespace media {
     11 
     12 AudioHardwareConfig::AudioHardwareConfig(
     13     const AudioParameters& input_params,
     14     const AudioParameters& output_params)
     15     : input_params_(input_params),
     16       output_params_(output_params) {
     17 }
     18 
     19 AudioHardwareConfig::~AudioHardwareConfig() {}
     20 
     21 int AudioHardwareConfig::GetOutputBufferSize() const {
     22   AutoLock auto_lock(config_lock_);
     23   return output_params_.frames_per_buffer();
     24 }
     25 
     26 int AudioHardwareConfig::GetOutputSampleRate() const {
     27   AutoLock auto_lock(config_lock_);
     28   return output_params_.sample_rate();
     29 }
     30 
     31 ChannelLayout AudioHardwareConfig::GetOutputChannelLayout() const {
     32   AutoLock auto_lock(config_lock_);
     33   return output_params_.channel_layout();
     34 }
     35 
     36 int AudioHardwareConfig::GetOutputChannels() const {
     37   AutoLock auto_lock(config_lock_);
     38   return output_params_.channels();
     39 }
     40 
     41 int AudioHardwareConfig::GetInputSampleRate() const {
     42   AutoLock auto_lock(config_lock_);
     43   return input_params_.sample_rate();
     44 }
     45 
     46 ChannelLayout AudioHardwareConfig::GetInputChannelLayout() const {
     47   AutoLock auto_lock(config_lock_);
     48   return input_params_.channel_layout();
     49 }
     50 
     51 int AudioHardwareConfig::GetInputChannels() const {
     52   AutoLock auto_lock(config_lock_);
     53   return input_params_.channels();
     54 }
     55 
     56 media::AudioParameters
     57 AudioHardwareConfig::GetInputConfig() const {
     58   AutoLock auto_lock(config_lock_);
     59   return input_params_;
     60 }
     61 
     62 media::AudioParameters
     63 AudioHardwareConfig::GetOutputConfig() const {
     64   AutoLock auto_lock(config_lock_);
     65   return output_params_;
     66 }
     67 
     68 void AudioHardwareConfig::UpdateInputConfig(
     69     const AudioParameters& input_params) {
     70   AutoLock auto_lock(config_lock_);
     71   input_params_ = input_params;
     72 }
     73 
     74 void AudioHardwareConfig::UpdateOutputConfig(
     75     const AudioParameters& output_params) {
     76   AutoLock auto_lock(config_lock_);
     77   output_params_ = output_params;
     78 }
     79 
     80 }  // namespace media
     81