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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.
*/
#ifndef MediaStreamSourceCapabilities_h
#define MediaStreamSourceCapabilities_h
#if ENABLE(MEDIA_STREAM)
#include "MediaStreamSourceStates.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/text/AtomicString.h>
namespace WebCore {
class MediaStreamSourceCapabilityRange {
public:
MediaStreamSourceCapabilityRange(float min, float max, bool supported = true)
: m_type(Float)
{
m_min.asFloat = min;
m_max.asFloat = max;
m_supported = supported;
}
MediaStreamSourceCapabilityRange(unsigned long min, unsigned long max, bool supported = true)
: m_type(ULong)
{
m_min.asULong = min;
m_max.asULong = max;
m_supported = supported;
}
MediaStreamSourceCapabilityRange()
{
m_type = Undefined;
m_min.asULong = 0;
m_max.asULong = 0;
m_supported = false;
}
enum Type { Undefined, Float, ULong };
union ValueUnion {
unsigned long asULong;
float asFloat;
};
const ValueUnion& min() const { return m_min; }
const ValueUnion& max() const { return m_max; }
Type type() const { return m_type; }
bool supported() const { return m_supported; }
private:
ValueUnion m_min;
ValueUnion m_max;
Type m_type;
bool m_supported;
};
class MediaStreamSourceCapabilities : public RefCounted<MediaStreamSourceCapabilities> {
public:
static PassRefPtr<MediaStreamSourceCapabilities> create()
{
return adoptRef(new MediaStreamSourceCapabilities());
}
~MediaStreamSourceCapabilities() { }
const Vector<MediaStreamSourceStates::SourceType>& sourceTypes() { return m_sourceType; }
void setSourceType(MediaStreamSourceStates::SourceType sourceType) { m_sourceType.resizeToFit(1); addSourceType(sourceType); }
void addSourceType(MediaStreamSourceStates::SourceType sourceType)
{
if (sourceType == MediaStreamSourceStates::Camera)
m_videoSource = true;
m_sourceType.append(sourceType);
}
const Vector<AtomicString>& sourceId() { return m_sourceId; }
void setSourceId(const AtomicString& id) { m_sourceId.reserveCapacity(1); m_sourceId.insert(0, id); }
const Vector<MediaStreamSourceStates::VideoFacingMode>& facingModes() { return m_facingMode; }
void addFacingMode(MediaStreamSourceStates::VideoFacingMode mode) { m_facingMode.append(mode); }
const MediaStreamSourceCapabilityRange& width() { return m_width; }
void setWidthRange(const MediaStreamSourceCapabilityRange& width) { m_width = width; }
const MediaStreamSourceCapabilityRange& height() { return m_height; }
void setHeightRange(const MediaStreamSourceCapabilityRange& height) { m_height = height; }
const MediaStreamSourceCapabilityRange& frameRate() { return m_frameRate; }
void setFrameRateRange(const MediaStreamSourceCapabilityRange& frameRate) { m_frameRate = frameRate; }
const MediaStreamSourceCapabilityRange& aspectRatio() { return m_aspectRatio; }
void setAspectRatioRange(const MediaStreamSourceCapabilityRange& aspectRatio) { m_aspectRatio = aspectRatio; }
const MediaStreamSourceCapabilityRange& volume() { return m_volume; }
void setVolumeRange(const MediaStreamSourceCapabilityRange& volume) { m_volume = volume; }
bool hasVideoSource() { return m_videoSource; }
void setHasVideoSource(bool isVideo) { m_videoSource = isVideo;; }
private:
MediaStreamSourceCapabilities()
: m_videoSource(false)
{
}
Vector<AtomicString> m_sourceId;
Vector<MediaStreamSourceStates::SourceType> m_sourceType;
Vector<MediaStreamSourceStates::VideoFacingMode> m_facingMode;
MediaStreamSourceCapabilityRange m_width;
MediaStreamSourceCapabilityRange m_height;
MediaStreamSourceCapabilityRange m_frameRate;
MediaStreamSourceCapabilityRange m_aspectRatio;
MediaStreamSourceCapabilityRange m_volume;
bool m_videoSource;
};
} // namespace WebCore
#endif // MediaStreamSourceCapabilities_h
#endif
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