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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* 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 "GPUProcessConnection.h"
#include "IPCSemaphore.h"
#include "MessageReceiver.h"
#include "RemoteVideoFrameIdentifier.h"
#include "RemoteVideoFrameProxy.h"
#include "SharedVideoFrame.h"
#include "VideoCodecType.h"
#include "VideoDecoderIdentifier.h"
#include "VideoEncoderIdentifier.h"
#include "WorkQueueMessageReceiver.h"
#include <WebCore/VideoEncoderActiveConfiguration.h>
#include <map>
#include <wtf/Deque.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/Lock.h>
using CVPixelBufferPoolRef = struct __CVPixelBufferPool*;
namespace IPC {
class Connection;
class Decoder;
}
namespace webrtc {
class VideoFrame;
struct WebKitEncodedFrameInfo;
}
namespace WebCore {
enum class VideoFrameRotation : uint16_t;
}
namespace WebKit {
class RemoteVideoFrameObjectHeapProxy;
class LibWebRTCCodecs : public IPC::WorkQueueMessageReceiver, public GPUProcessConnection::Client {
WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<LibWebRTCCodecs> create();
~LibWebRTCCodecs();
static void setCallbacks(bool useGPUProcess, bool useRemoteFrames);
static void setWebRTCMediaPipelineAdditionalLoggingEnabled(bool);
static void initializeIfNeeded();
std::optional<VideoCodecType> videoCodecTypeFromWebCodec(const String&);
using DecoderCallback = Function<void(RefPtr<WebCore::VideoFrame>&&, int64_t timestamp)>;
struct Decoder {
WTF_MAKE_FAST_ALLOCATED;
public:
VideoDecoderIdentifier identifier;
VideoCodecType type;
void* decodedImageCallback WTF_GUARDED_BY_LOCK(decodedImageCallbackLock) { nullptr };
DecoderCallback decoderCallback;
Lock decodedImageCallbackLock;
bool hasError { false };
RefPtr<IPC::Connection> connection;
Deque<Function<void()>> flushCallbacks WTF_GUARDED_BY_LOCK(flushCallbacksLock);
Lock flushCallbacksLock;
};
Decoder* createDecoder(VideoCodecType);
void createDecoderAndWaitUntilReady(VideoCodecType, Function<void(Decoder&)>&&);
int32_t releaseDecoder(Decoder&);
void flushDecoder(Decoder&, Function<void()>&&);
void setDecoderFormatDescription(Decoder&, const uint8_t*, size_t, uint16_t width, uint16_t height);
int32_t decodeFrame(Decoder&, int64_t timeStamp, const uint8_t*, size_t, uint16_t width, uint16_t height);
void registerDecodeFrameCallback(Decoder&, void* decodedImageCallback);
void registerDecodedVideoFrameCallback(Decoder&, DecoderCallback&&);
using DescriptionCallback = Function<void(WebCore::VideoEncoderActiveConfiguration&&)>;
using EncoderCallback = Function<void(std::span<const uint8_t>&&, bool isKeyFrame, int64_t timestamp, std::optional<uint64_t> duration)>;
struct EncoderInitializationData {
uint16_t width;
uint16_t height;
unsigned startBitRate;
unsigned maxBitRate;
unsigned minBitRate;
uint32_t maxFrameRate;
};
struct Encoder {
WTF_MAKE_FAST_ALLOCATED;
public:
VideoEncoderIdentifier identifier;
VideoCodecType type;
Vector<std::pair<String, String>> parameters;
std::optional<EncoderInitializationData> initializationData;
void* encodedImageCallback WTF_GUARDED_BY_LOCK(encodedImageCallbackLock) { nullptr };
EncoderCallback encoderCallback;
DescriptionCallback descriptionCallback;
Lock encodedImageCallbackLock;
RefPtr<IPC::Connection> connection;
SharedVideoFrameWriter sharedVideoFrameWriter;
bool hasSentInitialEncodeRates { false };
bool useAnnexB { true };
bool isRealtime { true };
Deque<Function<void()>> flushCallbacks WTF_GUARDED_BY_LOCK(flushCallbacksLock);
Lock flushCallbacksLock;
};
Encoder* createEncoder(VideoCodecType, const std::map<std::string, std::string>&);
void createEncoderAndWaitUntilReady(VideoCodecType, const std::map<std::string, std::string>&, bool isRealtime, bool useAnnexB, Function<void(Encoder&)>&&);
int32_t releaseEncoder(Encoder&);
int32_t initializeEncoder(Encoder&, uint16_t width, uint16_t height, unsigned startBitrate, unsigned maxBitrate, unsigned minBitrate, uint32_t maxFramerate);
int32_t encodeFrame(Encoder&, const WebCore::VideoFrame&, int64_t timestamp, std::optional<uint64_t> duration, bool shouldEncodeAsKeyFrame);
int32_t encodeFrame(Encoder&, const webrtc::VideoFrame&, bool shouldEncodeAsKeyFrame);
void flushEncoder(Encoder&, Function<void()>&&);
void registerEncodeFrameCallback(Encoder&, void* encodedImageCallback);
void registerEncodedVideoFrameCallback(Encoder&, EncoderCallback&&);
void registerEncoderDescriptionCallback(Encoder&, DescriptionCallback&&);
void setEncodeRates(Encoder&, uint32_t bitRate, uint32_t frameRate);
CVPixelBufferPoolRef pixelBufferPool(size_t width, size_t height, OSType);
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void setVP9VTBSupport(bool supportVP9VTB) { m_supportVP9VTB = supportVP9VTB; }
bool supportVP9VTB() const { return m_supportVP9VTB; }
void setLoggingLevel(WTFLogLevel);
void setHasVP9ExtensionSupport(bool);
bool hasVP9ExtensionSupport() const { return m_hasVP9ExtensionSupport; }
void ref() const final { return IPC::WorkQueueMessageReceiver::ref(); }
void deref() const final { return IPC::WorkQueueMessageReceiver::deref(); }
ThreadSafeWeakPtrControlBlock& controlBlock() const final { return IPC::WorkQueueMessageReceiver::controlBlock(); }
private:
LibWebRTCCodecs();
void ensureGPUProcessConnectionAndDispatchToThread(Function<void()>&&);
void ensureGPUProcessConnectionOnMainThreadWithLock() WTF_REQUIRES_LOCK(m_connectionLock);
void gpuProcessConnectionMayNoLongerBeNeeded();
void failedDecoding(VideoDecoderIdentifier);
void flushDecoderCompleted(VideoDecoderIdentifier);
void completedDecoding(VideoDecoderIdentifier, int64_t timeStamp, int64_t timeStampNs, RemoteVideoFrameProxy::Properties&&);
// FIXME: Will be removed once RemoteVideoFrameProxy providers are the only ones sending data.
void completedDecodingCV(VideoDecoderIdentifier, int64_t timeStamp, int64_t timeStampNs, RetainPtr<CVPixelBufferRef>&&);
void completedEncoding(VideoEncoderIdentifier, IPC::DataReference&&, const webrtc::WebKitEncodedFrameInfo&);
void flushEncoderCompleted(VideoEncoderIdentifier);
void setEncodingConfiguration(WebKit::VideoEncoderIdentifier, IPC::DataReference&&, std::optional<WebCore::PlatformVideoColorSpace>);
RetainPtr<CVPixelBufferRef> convertToBGRA(CVPixelBufferRef);
// GPUProcessConnection::Client
void gpuProcessConnectionDidClose(GPUProcessConnection&);
IPC::Connection* encoderConnection(Encoder&) WTF_REQUIRES_LOCK(m_encodersConnectionLock);
void setEncoderConnection(Encoder&, RefPtr<IPC::Connection>&&) WTF_REQUIRES_LOCK(m_encodersConnectionLock);
IPC::Connection* decoderConnection(Decoder&) WTF_REQUIRES_LOCK(m_connectionLock);
void setDecoderConnection(Decoder&, RefPtr<IPC::Connection>&&) WTF_REQUIRES_LOCK(m_connectionLock);
template<typename Buffer> bool copySharedVideoFrame(LibWebRTCCodecs::Encoder&, IPC::Connection&, Buffer&&);
WorkQueue& workQueue() const { return m_queue; }
Decoder* createDecoderInternal(VideoCodecType, Function<void(Decoder&)>&&);
Encoder* createEncoderInternal(VideoCodecType, const std::map<std::string, std::string>&, bool isRealtime, bool useAnnexB, Function<void(Encoder&)>&&);
template<typename Frame> int32_t encodeFrameInternal(Encoder&, const Frame&, bool shouldEncodeAsKeyFrame, WebCore::VideoFrameRotation, MediaTime, int64_t timestamp, std::optional<uint64_t> duration);
private:
HashMap<VideoDecoderIdentifier, std::unique_ptr<Decoder>> m_decoders WTF_GUARDED_BY_CAPABILITY(workQueue());
Lock m_encodersConnectionLock;
HashMap<VideoEncoderIdentifier, std::unique_ptr<Encoder>> m_encoders WTF_GUARDED_BY_CAPABILITY(workQueue());
std::atomic<bool> m_needsGPUProcessConnection;
Lock m_connectionLock;
RefPtr<IPC::Connection> m_connection WTF_GUARDED_BY_LOCK(m_connectionLock);
RefPtr<RemoteVideoFrameObjectHeapProxy> m_videoFrameObjectHeapProxy WTF_GUARDED_BY_LOCK(m_connectionLock);
Vector<Function<void()>> m_tasksToDispatchAfterEstablishingConnection;
Ref<WorkQueue> m_queue;
RetainPtr<CVPixelBufferPoolRef> m_pixelBufferPool;
size_t m_pixelBufferPoolWidth { 0 };
size_t m_pixelBufferPoolHeight { 0 };
bool m_supportVP9VTB { false };
std::optional<WTFLogLevel> m_loggingLevel;
bool m_useGPUProcess { false };
bool m_useRemoteFrames { false };
bool m_hasVP9ExtensionSupport { false };
bool m_enableAdditionalLogging { false };
};
} // namespace WebKit
#endif
|
