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
|
/*
* Copyright (C) 2018 Metrological Group B.V.
* Copyright (C) 2020 Igalia S.L.
* Author: Thibault Saunier <tsaunier@igalia.com>
* Author: Alejandro G. Castro <alex@igalia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* aint with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#if ENABLE(MEDIA_STREAM) && USE(GSTREAMER)
#include "CaptureDevice.h"
#include "GStreamerVideoCapturer.h"
#include "RealtimeVideoCaptureSource.h"
#include "VideoFrameGStreamer.h"
namespace WebCore {
using NodeAndFD = GStreamerVideoCapturer::NodeAndFD;
class GStreamerVideoCaptureSource : public RealtimeVideoCaptureSource, GStreamerCapturerObserver {
public:
static CaptureSourceOrError create(String&& deviceID, MediaDeviceHashSalts&&, const MediaConstraints*);
static CaptureSourceOrError createPipewireSource(String&& deviceID, const NodeAndFD&, MediaDeviceHashSalts&&, const MediaConstraints*, CaptureDevice::DeviceType);
WEBCORE_EXPORT static VideoCaptureFactory& factory();
WEBCORE_EXPORT static DisplayCaptureFactory& displayFactory();
const RealtimeMediaSourceCapabilities& capabilities() override;
const RealtimeMediaSourceSettings& settings() override;
GstElement* pipeline() { return m_capturer->pipeline(); }
GStreamerCapturer* capturer() { return m_capturer.get(); }
// GStreamerCapturerObserver
void sourceCapsChanged(const GstCaps*) final;
void captureEnded() final;
std::pair<GstClockTime, GstClockTime> queryCaptureLatency() const final;
protected:
GStreamerVideoCaptureSource(String&& deviceID, AtomString&& name, MediaDeviceHashSalts&&, const gchar* source_factory, CaptureDevice::DeviceType, const NodeAndFD&);
GStreamerVideoCaptureSource(GStreamerCaptureDevice&&, MediaDeviceHashSalts&&);
virtual ~GStreamerVideoCaptureSource();
void startProducingData() override;
void stopProducingData() override;
bool canResizeVideoFrames() const final { return true; }
void generatePresets() override;
void setSizeFrameRateAndZoom(const VideoPresetConstraints&) override;
mutable std::optional<RealtimeMediaSourceCapabilities> m_capabilities;
mutable std::optional<RealtimeMediaSourceSettings> m_currentSettings;
CaptureDevice::DeviceType deviceType() const override { return m_deviceType; }
private:
bool isCaptureSource() const final { return true; }
void settingsDidChange(OptionSet<RealtimeMediaSourceSettings::Flag>) final;
RefPtr<GStreamerVideoCapturer> m_capturer;
CaptureDevice::DeviceType m_deviceType;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM) && USE(GSTREAMER)
|
