1/*
2 * Copyright (C) 2013 Cable Television Laboratories, Inc.
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 *
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 THE COPYRIGHT HOLDERS AND 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
26#ifndef TrackPrivateBaseGStreamer_h
27#define TrackPrivateBaseGStreamer_h
28
29#if ENABLE(VIDEO) && USE(GSTREAMER) && ENABLE(VIDEO_TRACK)
30
31#include "GRefPtrGStreamer.h"
32#include <wtf/ThreadingPrimitives.h>
33#include <wtf/gobject/GMainLoopSource.h>
34#include <wtf/text/WTFString.h>
35
36namespace WebCore {
37
38class TrackPrivateBase;
39
40class TrackPrivateBaseGStreamer {
41public:
42    virtual ~TrackPrivateBaseGStreamer();
43
44    GstPad* pad() const { return m_pad.get(); }
45
46    virtual void disconnect();
47
48    virtual void setActive(bool) { }
49
50    void setIndex(int index) { m_index =  index; }
51
52    void activeChanged();
53    void tagsChanged();
54
55    void notifyTrackOfActiveChanged();
56    void notifyTrackOfTagsChanged();
57
58protected:
59    TrackPrivateBaseGStreamer(TrackPrivateBase* owner, gint index, GRefPtr<GstPad>);
60
61    gint m_index;
62    AtomicString m_label;
63    AtomicString m_language;
64    GRefPtr<GstPad> m_pad;
65
66private:
67    bool getLanguageCode(GstTagList* tags, AtomicString& value);
68
69    template<class StringType>
70    bool getTag(GstTagList* tags, const gchar* tagName, StringType& value);
71
72    TrackPrivateBase* m_owner;
73    GMainLoopSource m_activeTimerHandler;
74    GMainLoopSource m_tagTimerHandler;
75
76    Mutex m_tagMutex;
77    GRefPtr<GstTagList> m_tags;
78};
79
80} // namespace WebCore
81
82#endif // ENABLE(VIDEO) && USE(GSTREAMER) && ENABLE(VIDEO_TRACK)
83
84#endif // TrackPrivateBaseGStreamer_h
85