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/*
* Copyright (C) 2013 Cable Television Laboratories, Inc.
*
* 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 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 APPLE INC. OR ITS 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.
*/
#ifndef TrackPrivateBaseGStreamer_h
#define TrackPrivateBaseGStreamer_h
#if ENABLE(VIDEO) && USE(GSTREAMER) && ENABLE(VIDEO_TRACK)
#include "GRefPtrGStreamer.h"
#include "MainThreadNotifier.h"
#include <wtf/Lock.h>
#include <wtf/ThreadingPrimitives.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class TrackPrivateBase;
class TrackPrivateBaseGStreamer {
public:
virtual ~TrackPrivateBaseGStreamer();
GstPad* pad() const { return m_pad.get(); }
virtual void disconnect();
virtual void setActive(bool) { }
void setIndex(int index) { m_index = index; }
protected:
TrackPrivateBaseGStreamer(TrackPrivateBase* owner, gint index, GRefPtr<GstPad>);
void notifyTrackOfActiveChanged();
void notifyTrackOfTagsChanged();
enum MainThreadNotification {
ActiveChanged = 1 << 0,
TagsChanged = 1 << 1,
NewSample = 1 << 2,
StreamChanged = 1 << 3
};
MainThreadNotifier<MainThreadNotification> m_notifier;
gint m_index;
AtomicString m_label;
AtomicString m_language;
GRefPtr<GstPad> m_pad;
private:
bool getLanguageCode(GstTagList* tags, AtomicString& value);
template<class StringType>
bool getTag(GstTagList* tags, const gchar* tagName, StringType& value);
static void activeChangedCallback(TrackPrivateBaseGStreamer*);
static void tagsChangedCallback(TrackPrivateBaseGStreamer*);
void tagsChanged();
TrackPrivateBase* m_owner;
Lock m_tagMutex;
GRefPtr<GstTagList> m_tags;
};
} // namespace WebCore
#endif // ENABLE(VIDEO) && USE(GSTREAMER) && ENABLE(VIDEO_TRACK)
#endif // TrackPrivateBaseGStreamer_h
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