File: SourceBufferPrivateGStreamer.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 (127 lines) | stat: -rw-r--r-- 4,960 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
118
119
120
121
122
123
124
125
126
127
/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 * Copyright (C) 2013 Orange
 * Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
 * Copyright (C) 2015, 2016, 2017 Metrological Group B.V.
 * Copyright (C) 2015, 2016, 2017 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 "ContentType.h"
#include "MediaPlayerPrivateGStreamerMSE.h"
#include "MediaSourceTrackGStreamer.h"
#include "SourceBufferPrivate.h"
#include "SourceBufferPrivateClient.h"
#include "TrackPrivateBaseGStreamer.h"
#include "WebKitMediaSourceGStreamer.h"
#include <optional>
#include <wtf/LoggerHelper.h>
#include <wtf/StdUnorderedMap.h>

namespace WebCore {

using TrackID = uint64_t;

class AppendPipeline;
class MediaSourcePrivateGStreamer;

class SourceBufferPrivateGStreamer final : public SourceBufferPrivate, public CanMakeWeakPtr<SourceBufferPrivateGStreamer> {
public:
    static bool isContentTypeSupported(const ContentType&);
    static Ref<SourceBufferPrivateGStreamer> create(MediaSourcePrivateGStreamer&, const ContentType&);
    ~SourceBufferPrivateGStreamer();

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

    Ref<MediaPromise> appendInternal(Ref<SharedBuffer>&&) final;
    void resetParserStateInternal() final;
    void removedFromMediaSource() final;

    void flush(TrackID) final;
    void enqueueSample(Ref<MediaSample>&&, TrackID) final;
    void allSamplesInTrackEnqueued(TrackID) final;
    bool isReadyForMoreSamples(TrackID) final;

    bool precheckInitializationSegment(const InitializationSegment&) final;
    void processInitializationSegment(std::optional<InitializationSegment>&&) final;

    void didReceiveAllPendingSamples();
    void appendParsingFailed();

    auto& tracks() const { return m_tracks; }

    ContentType type() const { return m_type; }

    std::optional<TrackID> tryRegisterTrackId(TrackID);
    bool tryUnregisterTrackId(TrackID);

#if !RELEASE_LOG_DISABLED
    const Logger& logger() const final { return m_logger.get(); }
    ASCIILiteral logClassName() const override { return "SourceBufferPrivateGStreamer"_s; }
    uint64_t logIdentifier() const final { return m_logIdentifier; }
    WTFLogChannel& logChannel() const final;
    const Logger& sourceBufferLogger() const final { return m_logger; }
    uint64_t sourceBufferLogIdentifier() final { return logIdentifier(); }
#endif

    size_t platformMaximumBufferSize() const override;
    size_t platformEvictionThreshold() const final;

private:
    friend class AppendPipeline;

    SourceBufferPrivateGStreamer(MediaSourcePrivateGStreamer&, const ContentType&);
    RefPtr<MediaPlayerPrivateGStreamerMSE> player() const;

    void notifyClientWhenReadyForMoreSamples(TrackID) override;

    void detach() final;

    bool m_hasBeenRemovedFromMediaSource { false };
    ContentType m_type;
    std::unique_ptr<AppendPipeline> m_appendPipeline;
    StdUnorderedMap<TrackID, RefPtr<MediaSourceTrackGStreamer>> m_tracks;
    std::optional<MediaPromise::Producer> m_appendPromise;

#if !RELEASE_LOG_DISABLED
    Ref<const Logger> m_logger;
    const uint64_t m_logIdentifier;
#endif
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SourceBufferPrivateGStreamer)
static bool isType(const WebCore::SourceBufferPrivate& sourceBuffer) { return sourceBuffer.platformType() == WebCore::MediaPlatformType::GStreamer; }
SPECIALIZE_TYPE_TRAITS_END()

#endif