15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 3. Neither the name of Google Inc. nor the names of its contributors 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * may be used to endorse or promote products derived from this 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 3251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)#include "platform/mediastream/MediaStreamSource.h" 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 35c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 37926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)PassRefPtr<MediaStreamSource> MediaStreamSource::create(const String& id, Type type, const String& name, ReadyState readyState, bool requiresConsumer) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 39926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return adoptRef(new MediaStreamSource(id, type, name, readyState, requiresConsumer)); 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 42926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)MediaStreamSource::MediaStreamSource(const String& id, Type type, const String& name, ReadyState readyState, bool requiresConsumer) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_id(id) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_type(type) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_name(name) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_readyState(readyState) 47926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) , m_requiresConsumer(requiresConsumer) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void MediaStreamSource::setReadyState(ReadyState readyState) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 53926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) if (m_readyState != ReadyStateEnded && m_readyState != readyState) { 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_readyState = readyState; 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (Vector<Observer*>::iterator i = m_observers.begin(); i != m_observers.end(); ++i) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) (*i)->sourceChangedState(); 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void MediaStreamSource::addObserver(MediaStreamSource::Observer* observer) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_observers.append(observer); 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void MediaStreamSource::removeObserver(MediaStreamSource::Observer* observer) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) size_t pos = m_observers.find(observer); 6806f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) if (pos != kNotFound) 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_observers.remove(pos); 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 727242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccivoid MediaStreamSource::addAudioConsumer(AudioDestinationConsumer* consumer) 73926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 74926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT(m_requiresConsumer); 75926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) MutexLocker locker(m_audioConsumersLock); 767242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci m_audioConsumers.add(consumer); 77926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 78926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 79926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)bool MediaStreamSource::removeAudioConsumer(AudioDestinationConsumer* consumer) 80926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 81926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT(m_requiresConsumer); 82926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) MutexLocker locker(m_audioConsumersLock); 837242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci HeapHashSet<Member<AudioDestinationConsumer> >::iterator it = m_audioConsumers.find(consumer); 847242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci if (it == m_audioConsumers.end()) 857242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci return false; 867242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci m_audioConsumers.remove(it); 877242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci return true; 88926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 89926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 90926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void MediaStreamSource::setAudioFormat(size_t numberOfChannels, float sampleRate) 91926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 92926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT(m_requiresConsumer); 93926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) MutexLocker locker(m_audioConsumersLock); 947242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci for (HeapHashSet<Member<AudioDestinationConsumer> >::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it) 95926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) (*it)->setFormat(numberOfChannels, sampleRate); 96926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 97926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 98926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void MediaStreamSource::consumeAudio(AudioBus* bus, size_t numberOfFrames) 99926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 100926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT(m_requiresConsumer); 101926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) MutexLocker locker(m_audioConsumersLock); 1027242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci for (HeapHashSet<Member<AudioDestinationConsumer> >::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it) 103926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) (*it)->consumeAudio(bus, numberOfFrames); 104926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 105926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 106c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 107