1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef MediaStreamSourceCapabilities_h 27#define MediaStreamSourceCapabilities_h 28 29#if ENABLE(MEDIA_STREAM) 30 31#include "MediaStreamSourceStates.h" 32#include <wtf/RefCounted.h> 33#include <wtf/Vector.h> 34#include <wtf/text/AtomicString.h> 35 36namespace WebCore { 37 38class MediaStreamSourceCapabilityRange { 39public: 40 41 MediaStreamSourceCapabilityRange(float min, float max, bool supported = true) 42 : m_type(Float) 43 { 44 m_min.asFloat = min; 45 m_max.asFloat = max; 46 m_supported = supported; 47 } 48 49 MediaStreamSourceCapabilityRange(unsigned long min, unsigned long max, bool supported = true) 50 : m_type(ULong) 51 { 52 m_min.asULong = min; 53 m_max.asULong = max; 54 m_supported = supported; 55 } 56 57 MediaStreamSourceCapabilityRange() 58 { 59 m_type = Undefined; 60 m_min.asULong = 0; 61 m_max.asULong = 0; 62 m_supported = false; 63 } 64 65 enum Type { Undefined, Float, ULong }; 66 67 union ValueUnion { 68 unsigned long asULong; 69 float asFloat; 70 }; 71 72 const ValueUnion& min() const { return m_min; } 73 const ValueUnion& max() const { return m_max; } 74 Type type() const { return m_type; } 75 bool supported() const { return m_supported; } 76 77private: 78 ValueUnion m_min; 79 ValueUnion m_max; 80 Type m_type; 81 bool m_supported; 82}; 83 84class MediaStreamSourceCapabilities : public RefCounted<MediaStreamSourceCapabilities> { 85public: 86 static PassRefPtr<MediaStreamSourceCapabilities> create() 87 { 88 return adoptRef(new MediaStreamSourceCapabilities()); 89 } 90 91 ~MediaStreamSourceCapabilities() { } 92 93 const Vector<MediaStreamSourceStates::SourceType>& sourceTypes() { return m_sourceType; } 94 void setSourceType(MediaStreamSourceStates::SourceType sourceType) { m_sourceType.resizeToFit(1); addSourceType(sourceType); } 95 void addSourceType(MediaStreamSourceStates::SourceType sourceType) 96 { 97 if (sourceType == MediaStreamSourceStates::Camera) 98 m_videoSource = true; 99 m_sourceType.append(sourceType); 100 } 101 102 const Vector<AtomicString>& sourceId() { return m_sourceId; } 103 void setSourceId(const AtomicString& id) { m_sourceId.reserveCapacity(1); m_sourceId.insert(0, id); } 104 105 const Vector<MediaStreamSourceStates::VideoFacingMode>& facingModes() { return m_facingMode; } 106 void addFacingMode(MediaStreamSourceStates::VideoFacingMode mode) { m_facingMode.append(mode); } 107 108 const MediaStreamSourceCapabilityRange& width() { return m_width; } 109 void setWidthRange(const MediaStreamSourceCapabilityRange& width) { m_width = width; } 110 111 const MediaStreamSourceCapabilityRange& height() { return m_height; } 112 void setHeightRange(const MediaStreamSourceCapabilityRange& height) { m_height = height; } 113 114 const MediaStreamSourceCapabilityRange& frameRate() { return m_frameRate; } 115 void setFrameRateRange(const MediaStreamSourceCapabilityRange& frameRate) { m_frameRate = frameRate; } 116 117 const MediaStreamSourceCapabilityRange& aspectRatio() { return m_aspectRatio; } 118 void setAspectRatioRange(const MediaStreamSourceCapabilityRange& aspectRatio) { m_aspectRatio = aspectRatio; } 119 120 const MediaStreamSourceCapabilityRange& volume() { return m_volume; } 121 void setVolumeRange(const MediaStreamSourceCapabilityRange& volume) { m_volume = volume; } 122 123 bool hasVideoSource() { return m_videoSource; } 124 void setHasVideoSource(bool isVideo) { m_videoSource = isVideo;; } 125 126private: 127 MediaStreamSourceCapabilities() 128 : m_videoSource(false) 129 { 130 } 131 132 Vector<AtomicString> m_sourceId; 133 Vector<MediaStreamSourceStates::SourceType> m_sourceType; 134 Vector<MediaStreamSourceStates::VideoFacingMode> m_facingMode; 135 136 MediaStreamSourceCapabilityRange m_width; 137 MediaStreamSourceCapabilityRange m_height; 138 MediaStreamSourceCapabilityRange m_frameRate; 139 MediaStreamSourceCapabilityRange m_aspectRatio; 140 MediaStreamSourceCapabilityRange m_volume; 141 142 bool m_videoSource; 143}; 144 145} // namespace WebCore 146 147#endif // MediaStreamSourceCapabilities_h 148 149#endif 150