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/*
* Copyright (C) 2011 Ericsson AB. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
* Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * 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"
#if ENABLE(MEDIA_STREAM)
#include "MediaStreamPrivate.h"
#include "MediaStreamCenter.h"
#include "UUID.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
PassRefPtr<MediaStreamPrivate> MediaStreamPrivate::create(const Vector<RefPtr<MediaStreamSource>>& audioSources, const Vector<RefPtr<MediaStreamSource>>& videoSources)
{
return adoptRef(new MediaStreamPrivate(createCanonicalUUIDString(), audioSources, videoSources));
}
PassRefPtr<MediaStreamPrivate> MediaStreamPrivate::create(const Vector<RefPtr<MediaStreamTrackPrivate>>& audioPrivateTracks, const Vector<RefPtr<MediaStreamTrackPrivate>>& videoPrivateTracks)
{
return adoptRef(new MediaStreamPrivate(createCanonicalUUIDString(), audioPrivateTracks, videoPrivateTracks));
}
void MediaStreamPrivate::addSource(PassRefPtr<MediaStreamSource> prpSource)
{
RefPtr<MediaStreamSource> source = prpSource;
switch (source->type()) {
case MediaStreamSource::Audio:
if (m_audioStreamSources.find(source) == notFound)
m_audioStreamSources.append(source);
break;
case MediaStreamSource::Video:
if (m_videoStreamSources.find(source) == notFound)
m_videoStreamSources.append(source);
break;
case MediaStreamSource::None:
ASSERT_NOT_REACHED();
break;
}
}
void MediaStreamPrivate::removeSource(PassRefPtr<MediaStreamSource> source)
{
size_t pos = notFound;
switch (source->type()) {
case MediaStreamSource::Audio:
pos = m_audioStreamSources.find(source);
if (pos == notFound)
return;
m_audioStreamSources.remove(pos);
break;
case MediaStreamSource::Video:
pos = m_videoStreamSources.find(source);
if (pos == notFound)
return;
m_videoStreamSources.remove(pos);
break;
case MediaStreamSource::None:
ASSERT_NOT_REACHED();
break;
}
}
void MediaStreamPrivate::addRemoteSource(MediaStreamSource* source)
{
if (m_client)
m_client->addRemoteSource(source);
else
addSource(source);
}
void MediaStreamPrivate::removeRemoteSource(MediaStreamSource* source)
{
if (m_client)
m_client->removeRemoteSource(source);
else
removeSource(source);
}
void MediaStreamPrivate::addRemoteTrack(MediaStreamTrackPrivate* track)
{
if (m_client)
m_client->addRemoteTrack(track);
else
addTrack(track);
}
void MediaStreamPrivate::removeRemoteTrack(MediaStreamTrackPrivate* track)
{
if (m_client)
m_client->removeRemoteTrack(track);
else
removeTrack(track);
}
MediaStreamPrivate::MediaStreamPrivate(const String& id, const Vector<RefPtr<MediaStreamSource>>& audioSources, const Vector<RefPtr<MediaStreamSource>>& videoSources)
: m_client(0)
, m_id(id)
, m_ended(false)
{
ASSERT(m_id.length());
for (size_t i = 0; i < audioSources.size(); i++)
addTrack(MediaStreamTrackPrivate::create(audioSources[i]));
for (size_t i = 0; i < videoSources.size(); i++)
addTrack(MediaStreamTrackPrivate::create(videoSources[i]));
unsigned providedSourcesSize = audioSources.size() + videoSources.size();
unsigned tracksSize = m_audioPrivateTracks.size() + m_videoPrivateTracks.size();
// If sources were provided and no track was added to the MediaStreamPrivate's tracks, this means
// that the tracks were all ended
if (providedSourcesSize > 0 && !tracksSize)
m_ended = true;
}
MediaStreamPrivate::MediaStreamPrivate(const String& id, const Vector<RefPtr<MediaStreamTrackPrivate>>& audioPrivateTracks, const Vector<RefPtr<MediaStreamTrackPrivate>>& videoPrivateTracks)
: m_client(0)
, m_id(id)
, m_ended(false)
{
ASSERT(m_id.length());
for (size_t i = 0; i < audioPrivateTracks.size(); i++)
addTrack(audioPrivateTracks[i]);
for (size_t i = 0; i < videoPrivateTracks.size(); i++)
addTrack(videoPrivateTracks[i]);
unsigned providedTracksSize = audioPrivateTracks.size() + videoPrivateTracks.size();
unsigned tracksSize = m_audioPrivateTracks.size() + m_videoPrivateTracks.size();
// If tracks were provided and no one was added to the MediaStreamPrivate's tracks, this means
// that the tracks were all ended
if (providedTracksSize > 0 && !tracksSize)
m_ended = true;
}
void MediaStreamPrivate::setEnded()
{
if (m_client)
m_client->streamDidEnd();
m_ended = true;
}
void MediaStreamPrivate::addTrack(PassRefPtr<MediaStreamTrackPrivate> prpTrack)
{
RefPtr<MediaStreamTrackPrivate> track = prpTrack;
if (track->ended())
return;
Vector<RefPtr<MediaStreamTrackPrivate>>& tracks = track->type() == MediaStreamSource::Audio ? m_audioPrivateTracks : m_videoPrivateTracks;
size_t pos = tracks.find(track);
if (pos != notFound)
return;
tracks.append(track);
if (track->source())
addSource(track->source());
}
void MediaStreamPrivate::removeTrack(PassRefPtr<MediaStreamTrackPrivate> track)
{
Vector<RefPtr<MediaStreamTrackPrivate>>& tracks = track->type() == MediaStreamSource::Audio ? m_audioPrivateTracks : m_videoPrivateTracks;
size_t pos = tracks.find(track);
if (pos == notFound)
return;
tracks.remove(pos);
}
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)