10e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org/* 20e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * libjingle 30e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Copyright 2013, Google Inc. 40e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 50e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Redistribution and use in source and binary forms, with or without 60e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * modification, are permitted provided that the following conditions are met: 70e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 80e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 1. Redistributions of source code must retain the above copyright notice, 90e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer. 100e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 2. Redistributions in binary form must reproduce the above copyright notice, 110e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer in the documentation 120e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * and/or other materials provided with the distribution. 130e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 3. The name of the author may not be used to endorse or promote products 140e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * derived from this software without specific prior written permission. 150e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 160e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 170e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 180e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 190e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 200e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 210e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 220e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 230e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 240e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 250e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 260e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org */ 270e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 280e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/app/webrtc/localaudiosource.h" 290e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 300e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include <vector> 310e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 320e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/app/webrtc/mediaconstraintsinterface.h" 33cf81adffe15fa8ea0f333432e41f6d504148f18abuildbot@webrtc.org#include "talk/media/base/mediaengine.h" 340e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 350e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgusing webrtc::MediaConstraintsInterface; 360e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgusing webrtc::MediaSourceInterface; 370e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 380e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgnamespace webrtc { 390e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 400e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgnamespace { 410e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 420e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// Convert constraints to audio options. Return false if constraints are 430e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// invalid. 44e24ed48898ac21288b5bc1da4479053fa3a16ae1xians@webrtc.orgvoid FromConstraints(const MediaConstraintsInterface::Constraints& constraints, 450e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org cricket::AudioOptions* options) { 460e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org MediaConstraintsInterface::Constraints::const_iterator iter; 470e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 480e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // This design relies on the fact that all the audio constraints are actually 490e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // "options", i.e. boolean-valued and always satisfiable. If the constraints 500e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // are extended to include non-boolean values or actual format constraints, 510e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // a different algorithm will be required. 520e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org for (iter = constraints.begin(); iter != constraints.end(); ++iter) { 530e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org bool value = false; 540e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 55e24ed48898ac21288b5bc1da4479053fa3a16ae1xians@webrtc.org if (!rtc::FromString(iter->value, &value)) 560e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org continue; 570e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 580e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (iter->key == MediaConstraintsInterface::kEchoCancellation) 590e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org options->echo_cancellation.Set(value); 600e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org else if (iter->key == 610e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org MediaConstraintsInterface::kExperimentalEchoCancellation) 620e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org options->experimental_aec.Set(value); 630e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org else if (iter->key == MediaConstraintsInterface::kAutoGainControl) 640e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org options->auto_gain_control.Set(value); 650e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org else if (iter->key == 660e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org MediaConstraintsInterface::kExperimentalAutoGainControl) 670e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org options->experimental_agc.Set(value); 680e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org else if (iter->key == MediaConstraintsInterface::kNoiseSuppression) 690e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org options->noise_suppression.Set(value); 7070022fa5eb218ec690774cc4a74558699a79600asergeyu@chromium.org else if (iter->key == 7170022fa5eb218ec690774cc4a74558699a79600asergeyu@chromium.org MediaConstraintsInterface::kExperimentalNoiseSuppression) 7270022fa5eb218ec690774cc4a74558699a79600asergeyu@chromium.org options->experimental_ns.Set(value); 730e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org else if (iter->key == MediaConstraintsInterface::kHighpassFilter) 740e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org options->highpass_filter.Set(value); 75ed274f89091f7acb8cacde3cae1d69cb2a19193dsergeyu@chromium.org else if (iter->key == MediaConstraintsInterface::kTypingNoiseDetection) 76ed274f89091f7acb8cacde3cae1d69cb2a19193dsergeyu@chromium.org options->typing_detection.Set(value); 775c9dd59107e049112f2e9a62d08a02ef4448a957wu@webrtc.org else if (iter->key == MediaConstraintsInterface::kAudioMirroring) 785c9dd59107e049112f2e9a62d08a02ef4448a957wu@webrtc.org options->stereo_swapping.Set(value); 790e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 800e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 810e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 820e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} // namespace 830e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 842a86ce22ccc387dfa6f8a98ce3eba5c1e6f9e538buildbot@webrtc.orgrtc::scoped_refptr<LocalAudioSource> LocalAudioSource::Create( 855c9dd59107e049112f2e9a62d08a02ef4448a957wu@webrtc.org const PeerConnectionFactoryInterface::Options& options, 860e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const MediaConstraintsInterface* constraints) { 872a86ce22ccc387dfa6f8a98ce3eba5c1e6f9e538buildbot@webrtc.org rtc::scoped_refptr<LocalAudioSource> source( 882a86ce22ccc387dfa6f8a98ce3eba5c1e6f9e538buildbot@webrtc.org new rtc::RefCountedObject<LocalAudioSource>()); 895c9dd59107e049112f2e9a62d08a02ef4448a957wu@webrtc.org source->Initialize(options, constraints); 900e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return source; 910e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 920e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 930e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid LocalAudioSource::Initialize( 945c9dd59107e049112f2e9a62d08a02ef4448a957wu@webrtc.org const PeerConnectionFactoryInterface::Options& options, 950e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const MediaConstraintsInterface* constraints) { 960e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (!constraints) 970e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return; 980e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 990e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Apply optional constraints first, they will be overwritten by mandatory 1000e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // constraints. 1010e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org FromConstraints(constraints->GetOptional(), &options_); 1020e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 103e24ed48898ac21288b5bc1da4479053fa3a16ae1xians@webrtc.org cricket::AudioOptions mandatory_options; 104e24ed48898ac21288b5bc1da4479053fa3a16ae1xians@webrtc.org FromConstraints(constraints->GetMandatory(), &mandatory_options); 105e24ed48898ac21288b5bc1da4479053fa3a16ae1xians@webrtc.org options_.SetAll(mandatory_options); 1060e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org source_state_ = kLive; 1070e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 1080e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1090e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} // namespace webrtc 110