File: MediaSourcePrivateGStreamer.h

package info (click to toggle)
webkit2gtk 2.48.5-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 429,764 kB
  • sloc: cpp: 3,697,587; javascript: 194,444; ansic: 169,997; python: 46,499; asm: 19,295; ruby: 18,528; perl: 16,602; xml: 4,650; yacc: 2,360; sh: 2,098; java: 1,993; lex: 1,327; pascal: 366; makefile: 298
file content (117 lines) | stat: -rw-r--r-- 4,765 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 * Copyright (C) 2013 Orange
 * Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
 * Copyright (C) 2015, 2016 Metrological Group B.V.
 * Copyright (C) 2015, 2016 Igalia, S.L
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(MEDIA_SOURCE) && USE(GSTREAMER)
#include "MediaSourcePrivate.h"

#include <wtf/Forward.h>
#include <wtf/HashSet.h>
#include <wtf/LoggerHelper.h>

namespace WebCore {

class SourceBufferPrivateGStreamer;
class MediaPlayerPrivateGStreamerMSE;
class PlatformTimeRanges;

class MediaSourcePrivateGStreamer final : public MediaSourcePrivate
#if !RELEASE_LOG_DISABLED
    , private LoggerHelper
#endif
{
public:
    static Ref<MediaSourcePrivateGStreamer> open(MediaSourcePrivateClient&, MediaPlayerPrivateGStreamerMSE&);
    virtual ~MediaSourcePrivateGStreamer();

    void setPlayer(MediaPlayerPrivateInterface*) final;
    RefPtr<MediaPlayerPrivateInterface> player() const final;

    constexpr MediaPlatformType platformType() const final { return MediaPlatformType::GStreamer; }

    AddStatus addSourceBuffer(const ContentType&, const MediaSourceConfiguration&, RefPtr<SourceBufferPrivate>&) override;

    void durationChanged(const MediaTime&) override;
    void markEndOfStream(EndOfStreamStatus) override;
    void unmarkEndOfStream() override;

    MediaPlayer::ReadyState mediaPlayerReadyState() const override;
    void setMediaPlayerReadyState(MediaPlayer::ReadyState) override;

    void notifyActiveSourceBuffersChanged() final;

    void startPlaybackIfHasAllTracks();
    bool hasAllTracks() const { return m_hasAllTracks; }

    void detach();

    TrackID registerTrackId(TrackID);
    bool unregisterTrackId(TrackID);

#if !RELEASE_LOG_DISABLED
    const Logger& logger() const final { return m_logger; }
    ASCIILiteral logClassName() const override { return "MediaSourcePrivateGStreamer"_s; }
    uint64_t logIdentifier() const final { return m_logIdentifier; }
    WTFLogChannel& logChannel() const final;

    uint64_t nextSourceBufferLogIdentifier() { return childLogIdentifier(m_logIdentifier, ++m_nextSourceBufferID); }
#endif

private:
    MediaSourcePrivateGStreamer(MediaSourcePrivateClient&, MediaPlayerPrivateGStreamerMSE&);
    RefPtr<MediaPlayerPrivateGStreamerMSE> platformPlayer() const;

    ThreadSafeWeakPtr<MediaPlayerPrivateGStreamerMSE> m_playerPrivate;
    bool m_hasAllTracks { false };
#if !RELEASE_LOG_DISABLED
    Ref<const Logger> m_logger;
    const uint64_t m_logIdentifier;
#endif

    uint64_t m_nextSourceBufferID { 0 };

    // Stores known track IDs, so we can work around ID collisions between multiple source buffers.
    // The registry is placed here to enforce ID uniqueness specifically by player, not by process,
    // since its not an issue if multiple players use the same ID, and we want to preserve IDs as much as possible.
    UncheckedKeyHashSet<TrackID, WTF::IntHash<TrackID>, WTF::UnsignedWithZeroKeyHashTraits<TrackID>> m_trackIdRegistry;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::MediaSourcePrivateGStreamer)
static bool isType(const WebCore::MediaSourcePrivate& mediaSource) { return mediaSource.platformType() == WebCore::MediaPlatformType::GStreamer; }
SPECIALIZE_TYPE_TRAITS_END()

#endif