2 * Copyright (C) 2013 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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.
25 #ifndef WebMediaStream_h
26 #define WebMediaStream_h
28 #include "WebCommon.h"
29 #include "WebNonCopyable.h"
30 #include "WebPrivatePtr.h"
31 #include "WebVector.h"
34 class MediaStreamDescriptor;
39 class WebMediaStreamSource;
40 class WebMediaStreamTrack;
43 class WebMediaStream {
47 virtual ~ExtraData() { }
51 WebMediaStream(const WebMediaStream& other) { assign(other); }
52 ~WebMediaStream() { reset(); }
54 WebMediaStream& operator=(const WebMediaStream& other)
60 BLINK_PLATFORM_EXPORT void assign(const WebMediaStream&);
62 BLINK_PLATFORM_EXPORT void initialize(const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks);
63 BLINK_PLATFORM_EXPORT void initialize(const WebString& label, const WebVector<WebMediaStreamTrack>& audioTracks, const WebVector<WebMediaStreamTrack>& videoTracks);
65 BLINK_PLATFORM_EXPORT void reset();
66 bool isNull() const { return m_private.isNull(); }
68 BLINK_PLATFORM_EXPORT WebString id() const;
70 BLINK_PLATFORM_EXPORT void audioTracks(WebVector<WebMediaStreamTrack>&) const;
71 BLINK_PLATFORM_EXPORT void videoTracks(WebVector<WebMediaStreamTrack>&) const;
73 BLINK_PLATFORM_EXPORT void addTrack(const WebMediaStreamTrack&);
74 BLINK_PLATFORM_EXPORT void removeTrack(const WebMediaStreamTrack&);
76 // Extra data associated with this WebMediaStream.
77 // If non-null, the extra data pointer will be deleted when the object is destroyed.
78 // Setting the extra data pointer will cause any existing non-null
79 // extra data pointer to be deleted.
80 BLINK_PLATFORM_EXPORT ExtraData* extraData() const;
81 BLINK_PLATFORM_EXPORT void setExtraData(ExtraData*);
84 BLINK_PLATFORM_EXPORT WebMediaStream(WebCore::MediaStreamDescriptor*);
85 BLINK_PLATFORM_EXPORT WebMediaStream(const WTF::PassRefPtr<WebCore::MediaStreamDescriptor>&);
86 BLINK_PLATFORM_EXPORT operator WTF::PassRefPtr<WebCore::MediaStreamDescriptor>() const;
87 BLINK_PLATFORM_EXPORT operator WebCore::MediaStreamDescriptor*() const;
88 BLINK_PLATFORM_EXPORT WebMediaStream& operator=(const WTF::PassRefPtr<WebCore::MediaStreamDescriptor>&);
92 WebPrivatePtr<WebCore::MediaStreamDescriptor> m_private;
97 #endif // WebMediaStream_h