/*
* Copyright (C) 2011 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:
*
* * 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.
*/
#ifndef WebMediaStreamSource_h
#define WebMediaStreamSource_h
#include "WebCommon.h"
#include "WebNonCopyable.h"
#include "WebPrivatePtr.h"
#include "WebVector.h"
namespace WebCore {
class MediaStreamSource;
}
namespace blink {
class WebAudioDestinationConsumer;
class WebMediaConstraints;
class WebString;
class WebMediaStreamSource {
public:
class ExtraData {
public:
ExtraData() : m_owner(0) { }
virtual ~ExtraData() { }
BLINK_PLATFORM_EXPORT WebMediaStreamSource owner();
#if INSIDE_BLINK
BLINK_PLATFORM_EXPORT void setOwner(WebCore::MediaStreamSource*);
#endif
private:
WebCore::MediaStreamSource* m_owner;
};
enum Type {
TypeAudio,
TypeVideo
};
enum ReadyState {
ReadyStateLive = 0,
ReadyStateMuted = 1,
ReadyStateEnded = 2
};
WebMediaStreamSource() { }
WebMediaStreamSource(const WebMediaStreamSource& other) { assign(other); }
~WebMediaStreamSource() { reset(); }
WebMediaStreamSource& operator=(const WebMediaStreamSource& other)
{
assign(other);
return *this;
}
BLINK_PLATFORM_EXPORT void assign(const WebMediaStreamSource&);
BLINK_PLATFORM_EXPORT void initialize(const WebString& id, Type, const WebString& name);
BLINK_PLATFORM_EXPORT void reset();
bool isNull() const { return m_private.isNull(); }
BLINK_PLATFORM_EXPORT WebString id() const;
BLINK_PLATFORM_EXPORT Type type() const;
BLINK_PLATFORM_EXPORT WebString name() const;
BLINK_PLATFORM_EXPORT void setReadyState(ReadyState);
BLINK_PLATFORM_EXPORT ReadyState readyState() const;
// Extra data associated with this object.
// If non-null, the extra data pointer will be deleted when the object is destroyed.
// Setting the extra data pointer will cause any existing non-null
// extra data pointer to be deleted.
BLINK_PLATFORM_EXPORT ExtraData* extraData() const;
BLINK_PLATFORM_EXPORT void setExtraData(ExtraData*);
BLINK_PLATFORM_EXPORT WebMediaConstraints constraints();
// Only used if if this is a WebAudio source.
// The WebAudioDestinationConsumer is not owned, and has to be disposed of separately
// after calling removeAudioConsumer.
BLINK_PLATFORM_EXPORT bool requiresAudioConsumer() const;
BLINK_PLATFORM_EXPORT void addAudioConsumer(WebAudioDestinationConsumer*);
BLINK_PLATFORM_EXPORT bool removeAudioConsumer(WebAudioDestinationConsumer*);
#if INSIDE_BLINK
BLINK_PLATFORM_EXPORT WebMediaStreamSource(const WTF::PassRefPtr<WebCore::MediaStreamSource>&);
BLINK_PLATFORM_EXPORT WebMediaStreamSource& operator=(WebCore::MediaStreamSource*);
BLINK_PLATFORM_EXPORT operator WTF::PassRefPtr<WebCore::MediaStreamSource>() const;
BLINK_PLATFORM_EXPORT operator WebCore::MediaStreamSource*() const;
#endif
private:
WebPrivatePtr<WebCore::MediaStreamSource> m_private;
};
} // namespace blink
#endif // WebMediaStreamSource_h