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/*
* Copyright (C) 2013 Apple 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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"
#if ENABLE(MEDIA_STREAM)
#include "MediaStreamAudioSource.h"
#include "NotImplemented.h"
#include "UUID.h"
namespace WebCore {
RefPtr<MediaStreamAudioSource> MediaStreamAudioSource::create()
{
return adoptRef(new MediaStreamAudioSource());
}
MediaStreamAudioSource::MediaStreamAudioSource()
: MediaStreamSource(ASCIILiteral("WebAudio-") + createCanonicalUUIDString(), MediaStreamSource::Audio, "MediaStreamAudioDestinationNode")
{
}
RefPtr<MediaStreamSourceCapabilities> MediaStreamAudioSource::capabilities() const
{
// FIXME: implement this.
// https://bugs.webkit.org/show_bug.cgi?id=122430
notImplemented();
return nullptr;
}
const MediaStreamSourceStates& MediaStreamAudioSource::states()
{
// FIXME: implement this.
// https://bugs.webkit.org/show_bug.cgi?id=122430
notImplemented();
return m_currentStates;
}
void MediaStreamAudioSource::addAudioConsumer(PassRefPtr<AudioDestinationConsumer> consumer)
{
MutexLocker locker(m_audioConsumersLock);
m_audioConsumers.append(consumer);
}
bool MediaStreamAudioSource::removeAudioConsumer(AudioDestinationConsumer* consumer)
{
MutexLocker locker(m_audioConsumersLock);
size_t pos = m_audioConsumers.find(consumer);
if (pos != notFound) {
m_audioConsumers.remove(pos);
return true;
}
return false;
}
void MediaStreamAudioSource::setAudioFormat(size_t numberOfChannels, float sampleRate)
{
MutexLocker locker(m_audioConsumersLock);
for (Vector<RefPtr<AudioDestinationConsumer>>::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
(*it)->setFormat(numberOfChannels, sampleRate);
}
void MediaStreamAudioSource::consumeAudio(AudioBus* bus, size_t numberOfFrames)
{
MutexLocker locker(m_audioConsumersLock);
for (Vector<RefPtr<AudioDestinationConsumer>>::iterator it = m_audioConsumers.begin(); it != m_audioConsumers.end(); ++it)
(*it)->consumeAudio(bus, numberOfFrames);
}
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
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