audio_config.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/audio_config.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/instance_handle.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/module.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/module_impl.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace pp { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <> const char* interface_name<PPB_AudioConfig_1_1>() { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PPB_AUDIO_CONFIG_INTERFACE_1_1; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <> const char* interface_name<PPB_AudioConfig_1_0>() { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PPB_AUDIO_CONFIG_INTERFACE_1_0; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AudioConfig::AudioConfig() 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : sample_rate_(PP_AUDIOSAMPLERATE_NONE), 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sample_frame_count_(0) { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AudioConfig::AudioConfig(const InstanceHandle& instance, 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_AudioSampleRate sample_rate, 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t sample_frame_count) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : sample_rate_(sample_rate), 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sample_frame_count_(sample_frame_count) { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (has_interface<PPB_AudioConfig_1_1>()) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PassRefFromConstructor( 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_interface<PPB_AudioConfig_1_1>()->CreateStereo16Bit( 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) instance.pp_instance(), sample_rate, sample_frame_count)); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (has_interface<PPB_AudioConfig_1_0>()) { 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PassRefFromConstructor( 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_interface<PPB_AudioConfig_1_0>()->CreateStereo16Bit( 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) instance.pp_instance(), sample_rate, sample_frame_count)); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PP_AudioSampleRate AudioConfig::RecommendSampleRate( 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const InstanceHandle& instance) { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (has_interface<PPB_AudioConfig_1_1>()) { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return get_interface<PPB_AudioConfig_1_1>()-> 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecommendSampleRate(instance.pp_instance()); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PP_AUDIOSAMPLERATE_NONE; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)uint32_t AudioConfig::RecommendSampleFrameCount( 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const InstanceHandle& instance, 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_AudioSampleRate sample_rate, 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t requested_sample_frame_count) { 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (has_interface<PPB_AudioConfig_1_1>()) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return get_interface<PPB_AudioConfig_1_1>()-> 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecommendSampleFrameCount(instance.pp_instance(), 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sample_rate, 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) requested_sample_frame_count); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (has_interface<PPB_AudioConfig_1_0>()) { 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return get_interface<PPB_AudioConfig_1_0>()-> 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecommendSampleFrameCount(sample_rate, 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) requested_sample_frame_count); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace pp 76