| // Copyright (c) 2012 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 "ppapi/cpp/audio_config.h" |
| |
| #include "ppapi/cpp/instance_handle.h" |
| #include "ppapi/cpp/module.h" |
| #include "ppapi/cpp/module_impl.h" |
| |
| namespace pp { |
| |
| namespace { |
| |
| template <> const char* interface_name<PPB_AudioConfig_1_1>() { |
| return PPB_AUDIO_CONFIG_INTERFACE_1_1; |
| } |
| |
| template <> const char* interface_name<PPB_AudioConfig_1_0>() { |
| return PPB_AUDIO_CONFIG_INTERFACE_1_0; |
| } |
| |
| } // namespace |
| |
| AudioConfig::AudioConfig() |
| : sample_rate_(PP_AUDIOSAMPLERATE_NONE), |
| sample_frame_count_(0) { |
| } |
| |
| AudioConfig::AudioConfig(const InstanceHandle& instance, |
| PP_AudioSampleRate sample_rate, |
| uint32_t sample_frame_count) |
| : sample_rate_(sample_rate), |
| sample_frame_count_(sample_frame_count) { |
| if (has_interface<PPB_AudioConfig_1_1>()) { |
| PassRefFromConstructor( |
| get_interface<PPB_AudioConfig_1_1>()->CreateStereo16Bit( |
| instance.pp_instance(), sample_rate, sample_frame_count)); |
| } else if (has_interface<PPB_AudioConfig_1_0>()) { |
| PassRefFromConstructor( |
| get_interface<PPB_AudioConfig_1_0>()->CreateStereo16Bit( |
| instance.pp_instance(), sample_rate, sample_frame_count)); |
| } |
| } |
| |
| // static |
| PP_AudioSampleRate AudioConfig::RecommendSampleRate( |
| const InstanceHandle& instance) { |
| if (has_interface<PPB_AudioConfig_1_1>()) { |
| return get_interface<PPB_AudioConfig_1_1>()-> |
| RecommendSampleRate(instance.pp_instance()); |
| } |
| return PP_AUDIOSAMPLERATE_NONE; |
| } |
| |
| // static |
| uint32_t AudioConfig::RecommendSampleFrameCount( |
| const InstanceHandle& instance, |
| PP_AudioSampleRate sample_rate, |
| uint32_t requested_sample_frame_count) { |
| if (has_interface<PPB_AudioConfig_1_1>()) { |
| return get_interface<PPB_AudioConfig_1_1>()-> |
| RecommendSampleFrameCount(instance.pp_instance(), |
| sample_rate, |
| requested_sample_frame_count); |
| } |
| if (has_interface<PPB_AudioConfig_1_0>()) { |
| return get_interface<PPB_AudioConfig_1_0>()-> |
| RecommendSampleFrameCount(sample_rate, |
| requested_sample_frame_count); |
| } |
| return 0; |
| } |
| |
| } // namespace pp |