Move MediaStreamSource to platform/

Source/core/platform/mediastream/MediaStreamSource.cpp

-/*
- * Copyright (C) 2012 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer
- *    in the documentation and/or other materials provided with the
- *    distribution.
- * 3. Neither the name of Google Inc. nor the names of its contributors
- *    may be used to endorse or promote products derived from this
- *    software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#include "core/platform/mediastream/MediaStreamSource.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace WebCore {
-
-PassRefPtr<MediaStreamSource> MediaStreamSource::create(const String& id, Type type, const String& name, ReadyState readyState, bool requiresConsumer)
-{
-    return adoptRef(new MediaStreamSource(id, type, name, readyState, requiresConsumer));
-}
-
-MediaStreamSource::MediaStreamSource(const String& id, Type type, const String& name, ReadyState readyState, bool requiresConsumer)
-    : m_id(id)
-    , m_type(type)
-    , m_name(name)
-    , m_readyState(readyState)
-    , m_requiresConsumer(requiresConsumer)
-{
-}
-
-void MediaStreamSource::setReadyState(ReadyState readyState)
-{
-    if (m_readyState != ReadyStateEnded && m_readyState != readyState) {
-        m_readyState = readyState;
-        for (Vector<Observer*>::iterator i = m_observers.begin(); i != m_observers.end(); ++i)
-            (*i)->sourceChangedState();
-    }
-}
-
-void MediaStreamSource::addObserver(MediaStreamSource::Observer* observer)
-{
-    m_observers.append(observer);
-}
-
-void MediaStreamSource::removeObserver(MediaStreamSource::Observer* observer)
-{
-    size_t pos = m_observers.find(observer);
-    if (pos != kNotFound)
-        m_observers.remove(pos);
-}
-
-void MediaStreamSource::addAudioConsumer(PassRefPtr<AudioDestinationConsumer> consumer)
-{
-    ASSERT(m_requiresConsumer);
-    MutexLocker locker(m_audioConsumersLock);
-    m_audioConsumers.append(consumer);
-}
-
-bool MediaStreamSource::removeAudioConsumer(AudioDestinationConsumer* consumer)
-{
-    ASSERT(m_requiresConsumer);
-    MutexLocker locker(m_audioConsumersLock);
-    size_t pos = m_audioConsumers.find(consumer);
-    if (pos != kNotFound) {
-        m_audioConsumers.remove(pos);
-        return true;
-    }
-    return false;
-}
-
-void MediaStreamSource::setAudioFormat(size_t numberOfChannels, float sampleRate)
-{
-    ASSERT(m_requiresConsumer);
-    MutexLocker locker(m_audioConsumersLock);
-    for (Vector<RefPtr<AudioDestinationConsumer> >::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
-        (*it)->setFormat(numberOfChannels, sampleRate);
-}
-
-void MediaStreamSource::consumeAudio(AudioBus* bus, size_t numberOfFrames)
-{
-    ASSERT(m_requiresConsumer);
-    MutexLocker locker(m_audioConsumersLock);
-    for (Vector<RefPtr<AudioDestinationConsumer> >::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
-        (*it)->consumeAudio(bus, numberOfFrames);
-}
-
-} // namespace WebCore