1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 * Copyright (C) 2013 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26enum MediaStreamTrackState { "new", "live", "ended" };
27
28[
29    Conditional=MEDIA_STREAM,
30    EventTarget,
31    ActiveDOMObject,
32    SkipVTableValidation,
33] interface MediaStreamTrack {
34    readonly attribute DOMString kind;
35    readonly attribute DOMString id;
36    readonly attribute DOMString label;
37             attribute boolean enabled;
38    readonly attribute boolean muted;
39    attribute EventListener onmute;
40    attribute EventListener onunmute;
41    readonly attribute boolean _readonly;
42    readonly attribute boolean remote;
43    readonly attribute MediaStreamTrackState readyState;
44    attribute EventListener onstarted;
45    attribute EventListener onended;
46
47    [CallWith=ScriptExecutionContext, RaisesException] static void getSources(MediaStreamTrackSourcesCallback callback);
48
49    MediaTrackConstraints getConstraints();
50
51    MediaSourceStates states();
52
53    MediaStreamCapabilities getCapabilities(); // returns either AllVideoCapabilities or AllAudioCapabilities
54
55    void applyConstraints(Dictionary constraints);
56
57    attribute EventListener onoverconstrained;
58    MediaStreamTrack clone();
59    [ImplementedAs=stopProducingData] void stop();
60
61    // EventTarget interface
62    void addEventListener(DOMString type,
63                          EventListener listener,
64                          optional boolean useCapture);
65    void removeEventListener(DOMString type,
66                             EventListener listener,
67                             optional boolean useCapture);
68    [RaisesException] boolean dispatchEvent(Event event);
69};
70
71