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
|
/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 USE(LIBWEBRTC) && PLATFORM(COCOA) && ENABLE(GPU_PROCESS)
#include "Connection.h"
#include "DataReference.h"
#include "RTCDecoderIdentifier.h"
#include "RTCEncoderIdentifier.h"
#include <WebCore/ImageTransferSessionVT.h>
#include <wtf/Lock.h>
namespace IPC {
class Connection;
class Decoder;
}
namespace WebCore {
class RemoteVideoSample;
}
namespace webrtc {
using LocalDecoder = void*;
using LocalEncoder = void*;
}
namespace WebKit {
class GPUConnectionToWebProcess;
class LibWebRTCCodecsProxy : public IPC::Connection::ThreadMessageReceiverRefCounted {
WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<LibWebRTCCodecsProxy> create(GPUConnectionToWebProcess& process) { return adoptRef(*new LibWebRTCCodecsProxy(process)); }
~LibWebRTCCodecsProxy();
void close();
bool allowsExitUnderMemoryPressure() const;
private:
explicit LibWebRTCCodecsProxy(GPUConnectionToWebProcess&);
// IPC::Connection::ThreadMessageReceiver
void dispatchToThread(Function<void()>&&) final;
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void createH264Decoder(RTCDecoderIdentifier);
void createH265Decoder(RTCDecoderIdentifier);
void createVP9Decoder(RTCDecoderIdentifier);
void releaseDecoder(RTCDecoderIdentifier);
void decodeFrame(RTCDecoderIdentifier, uint32_t timeStamp, const IPC::DataReference&);
void setFrameSize(RTCDecoderIdentifier, uint16_t width, uint16_t height);
void createEncoder(RTCEncoderIdentifier, const String&, const Vector<std::pair<String, String>>&, bool useLowLatency);
void releaseEncoder(RTCEncoderIdentifier);
void initializeEncoder(RTCEncoderIdentifier, uint16_t width, uint16_t height, unsigned startBitrate, unsigned maxBitrate, unsigned minBitrate, uint32_t maxFramerate);
void encodeFrame(RTCEncoderIdentifier, WebCore::RemoteVideoSample&&, uint32_t timeStamp, bool shouldEncodeAsKeyFrame);
void setEncodeRates(RTCEncoderIdentifier, uint32_t bitRate, uint32_t frameRate);
void setRTCLoggingLevel(WTFLogLevel);
CFDictionaryRef ioSurfacePixelBufferCreationOptions(IOSurfaceRef);
GPUConnectionToWebProcess& m_gpuConnectionToWebProcess;
mutable Lock m_lock;
HashMap<RTCDecoderIdentifier, webrtc::LocalDecoder> m_decoders WTF_GUARDED_BY_LOCK(m_lock); // Only modified on the libWebRTCCodecsQueue but may get accessed from the main thread.
HashMap<RTCEncoderIdentifier, webrtc::LocalEncoder> m_encoders WTF_GUARDED_BY_LOCK(m_lock); // Only modified on the libWebRTCCodecsQueue but may get accessed from the main thread.
Ref<WorkQueue> m_queue;
std::unique_ptr<WebCore::ImageTransferSessionVT> m_imageTransferSession;
};
}
#endif
|
