1 /* 2 * Copyright (C) 2013 Google 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. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef WebMediaStream_h 26 #define WebMediaStream_h 27 28 #include "WebCommon.h" 29 #include "WebNonCopyable.h" 30 #include "WebPrivatePtr.h" 31 #include "WebVector.h" 32 33 namespace blink { 34 35 class MediaStreamDescriptor; 36 class WebMediaStreamSource; 37 class WebMediaStreamTrack; 38 class WebString; 39 40 class WebMediaStream { 41 public: 42 class ExtraData { 43 public: 44 virtual ~ExtraData() { } 45 }; 46 47 WebMediaStream() { } 48 WebMediaStream(const WebMediaStream& other) { assign(other); } 49 ~WebMediaStream() { reset(); } 50 51 WebMediaStream& operator=(const WebMediaStream& other) 52 { 53 assign(other); 54 return *this; 55 } 56 57 BLINK_PLATFORM_EXPORT void assign(const WebMediaStream&); 58 59 BLINK_PLATFORM_EXPORT void initialize(const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks); 60 BLINK_PLATFORM_EXPORT void initialize(const WebString& label, const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks); 61 62 BLINK_PLATFORM_EXPORT void reset(); 63 bool isNull() const { return m_private.isNull(); } 64 65 BLINK_PLATFORM_EXPORT WebString id() const; 66 67 BLINK_PLATFORM_EXPORT void audioTracks(WebVector<WebMediaStreamTrack>&) const; 68 BLINK_PLATFORM_EXPORT void videoTracks(WebVector<WebMediaStreamTrack>&) const; 69 70 BLINK_PLATFORM_EXPORT void addTrack(const WebMediaStreamTrack&); 71 BLINK_PLATFORM_EXPORT void removeTrack(const WebMediaStreamTrack&); 72 73 // Extra data associated with this WebMediaStream. 74 // If non-null, the extra data pointer will be deleted when the object is destroyed. 75 // Setting the extra data pointer will cause any existing non-null 76 // extra data pointer to be deleted. 77 BLINK_PLATFORM_EXPORT ExtraData* extraData() const; 78 BLINK_PLATFORM_EXPORT void setExtraData(ExtraData*); 79 80 #if INSIDE_BLINK 81 BLINK_PLATFORM_EXPORT WebMediaStream(MediaStreamDescriptor*); 82 BLINK_PLATFORM_EXPORT WebMediaStream(const WTF::PassRefPtr<MediaStreamDescriptor>&); 83 BLINK_PLATFORM_EXPORT operator WTF::PassRefPtr<MediaStreamDescriptor>() const; 84 BLINK_PLATFORM_EXPORT operator MediaStreamDescriptor*() const; 85 BLINK_PLATFORM_EXPORT WebMediaStream& operator=(const WTF::PassRefPtr<MediaStreamDescriptor>&); 86 #endif 87 88 private: 89 WebPrivatePtr<MediaStreamDescriptor> m_private; 90 }; 91 92 } // namespace blink 93 94 #endif // WebMediaStream_h 95
