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 MediaSourcePrivateAVFObjC_h
27#define MediaSourcePrivateAVFObjC_h
28
29#if ENABLE(MEDIA_SOURCE) && USE(AVFOUNDATION)
30
31#include "MediaSourcePrivate.h"
32#include <wtf/Deque.h>
33#include <wtf/HashMap.h>
34#include <wtf/RefPtr.h>
35#include <wtf/RetainPtr.h>
36#include <wtf/Vector.h>
37
38OBJC_CLASS AVAsset;
39OBJC_CLASS AVStreamDataParser;
40OBJC_CLASS NSError;
41OBJC_CLASS NSObject;
42typedef struct opaqueCMSampleBuffer *CMSampleBufferRef;
43
44namespace WebCore {
45
46class CDMSession;
47class MediaPlayerPrivateMediaSourceAVFObjC;
48class MediaSourcePrivateClient;
49class SourceBufferPrivateAVFObjC;
50class TimeRanges;
51
52class MediaSourcePrivateAVFObjC final : public MediaSourcePrivate {
53public:
54    static RefPtr<MediaSourcePrivateAVFObjC> create(MediaPlayerPrivateMediaSourceAVFObjC*, MediaSourcePrivateClient*);
55    virtual ~MediaSourcePrivateAVFObjC();
56
57    MediaPlayerPrivateMediaSourceAVFObjC* player() const { return m_player; }
58    const Vector<SourceBufferPrivateAVFObjC*>& activeSourceBuffers() const { return m_activeSourceBuffers; }
59
60    virtual AddStatus addSourceBuffer(const ContentType&, RefPtr<SourceBufferPrivate>&) override;
61    virtual void durationChanged() override;
62    virtual void markEndOfStream(EndOfStreamStatus) override;
63    virtual void unmarkEndOfStream() override;
64    virtual MediaPlayer::ReadyState readyState() const override;
65    virtual void setReadyState(MediaPlayer::ReadyState) override;
66    virtual void waitForSeekCompleted() override;
67    virtual void seekCompleted() override;
68
69    MediaTime duration();
70    std::unique_ptr<PlatformTimeRanges> buffered();
71
72    bool hasAudio() const;
73    bool hasVideo() const;
74
75    void seekToTime(const MediaTime&);
76    MediaTime fastSeekTimeForMediaTime(const MediaTime&, const MediaTime& negativeThreshold, const MediaTime& positiveThreshold);
77    IntSize naturalSize() const;
78
79#if ENABLE(ENCRYPTED_MEDIA_V2)
80    std::unique_ptr<CDMSession> createSession(const String&);
81#endif
82
83private:
84    MediaSourcePrivateAVFObjC(MediaPlayerPrivateMediaSourceAVFObjC*, MediaSourcePrivateClient*);
85
86    void sourceBufferPrivateDidChangeActiveState(SourceBufferPrivateAVFObjC*, bool active);
87    void sourceBufferPrivateDidReceiveInitializationSegment(SourceBufferPrivateAVFObjC*);
88#if ENABLE(ENCRYPTED_MEDIA_V2)
89    void sourceBufferKeyNeeded(SourceBufferPrivateAVFObjC*, Uint8Array*);
90#endif
91    void monitorSourceBuffers();
92    void removeSourceBuffer(SourceBufferPrivate*);
93
94    friend class SourceBufferPrivateAVFObjC;
95
96    MediaPlayerPrivateMediaSourceAVFObjC* m_player;
97    RefPtr<MediaSourcePrivateClient> m_client;
98    Vector<RefPtr<SourceBufferPrivateAVFObjC>> m_sourceBuffers;
99    Vector<SourceBufferPrivateAVFObjC*> m_activeSourceBuffers;
100    Deque<SourceBufferPrivateAVFObjC*> m_sourceBuffersNeedingSessions;
101    bool m_isEnded;
102};
103
104}
105
106#endif // ENABLE(MEDIA_SOURCE) && USE(AVFOUNDATION)
107
108#endif
109