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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GMPParent_h_
#define GMPParent_h_
#include "GMPNativeTypes.h"
#include "GMPProcessParent.h"
#include "GMPServiceParent.h"
#include "GMPVideoDecoderParent.h"
#include "GMPVideoEncoderParent.h"
#include "GMPTimerParent.h"
#include "GMPStorageParent.h"
#include "mozilla/gmp/PGMPParent.h"
#include "mozilla/ipc/CrashReporterHelper.h"
#include "nsCOMPtr.h"
#include "nscore.h"
#include "nsISupports.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsIFile.h"
#include "mozilla/Atomics.h"
#include "mozilla/MozPromise.h"
namespace mozilla::gmp {
class GMPCapability {
public:
explicit GMPCapability() = default;
GMPCapability(GMPCapability&& aOther)
: mAPIName(std::move(aOther.mAPIName)),
mAPITags(std::move(aOther.mAPITags)) {}
explicit GMPCapability(const nsACString& aAPIName) : mAPIName(aAPIName) {}
explicit GMPCapability(const GMPCapability& aOther) = default;
nsCString mAPIName;
CopyableTArray<nsCString> mAPITags;
static bool Supports(const nsTArray<GMPCapability>& aCapabilities,
const nsACString& aAPI,
const nsTArray<nsCString>& aTags);
static bool Supports(const nsTArray<GMPCapability>& aCapabilities,
const nsACString& aAPI, const nsCString& aTag);
};
enum class GMPState : uint32_t {
NotLoaded,
Loaded,
Unloading,
Closing,
Closed
};
class GMPContentParent;
class GMPParent final
: public PGMPParent,
public ipc::CrashReporterHelper<GeckoProcessType_GMPlugin> {
friend class PGMPParent;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPParent, final)
GMPParent();
RefPtr<GenericPromise> Init(GeckoMediaPluginServiceParent* aService,
nsIFile* aPluginDir);
void CloneFrom(const GMPParent* aOther);
void Crash();
nsresult LoadProcess();
// Called internally to close this if we don't need it
void CloseIfUnused();
// Notify all active de/encoders that we are closing, either because of
// normal shutdown or unexpected shutdown/crash.
void CloseActive(bool aDieWhenUnloaded);
// Tell the plugin to die after shutdown.
void MarkForDeletion();
bool IsMarkedForDeletion();
// Called by the GMPService to forcibly close active de/encoders at shutdown
void Shutdown();
// This must not be called while we're in the middle of abnormal ActorDestroy
void DeleteProcess();
GMPState State() const;
nsCOMPtr<nsISerialEventTarget> GMPEventTarget();
void OnPreferenceChange(const mozilla::dom::Pref& aPref);
// A GMP can either be a single instance shared across all NodeIds (like
// in the OpenH264 case), or we can require a new plugin instance for every
// NodeIds running the plugin (as in the EME plugin case).
//
// A NodeId is a hash of the ($urlBarOrigin, $ownerDocOrigin) pair.
//
// Plugins are associated with an NodeIds by calling SetNodeId() before
// loading.
//
// If a plugin has no NodeId specified and it is loaded, it is assumed to
// be shared across NodeIds.
// Specifies that a GMP can only work with the specified NodeIds.
void SetNodeId(const nsACString& aNodeId);
const nsACString& GetNodeId() const { return mNodeId; }
const nsCString& GetDisplayName() const;
const nsCString& GetVersion() const;
uint32_t GetPluginId() const;
GMPPluginType GetPluginType() const { return mPluginType; }
nsString GetPluginBaseName() const;
// Returns true if a plugin can be or is being used across multiple NodeIds.
bool CanBeSharedCrossNodeIds() const;
// A GMP can be used from a NodeId if it's already been set to work with
// that NodeId, or if it's not been set to work with any NodeId and has
// not yet been loaded (i.e. it's not shared across NodeIds).
bool CanBeUsedFrom(const nsACString& aNodeId) const;
already_AddRefed<nsIFile> GetDirectory() {
return nsCOMPtr<nsIFile>(mDirectory).forget();
}
void AbortAsyncShutdown();
// Called when the child process has died.
void ChildTerminated();
bool OpenPGMPContent();
void GetGMPContentParent(
UniquePtr<MozPromiseHolder<GetGMPContentParentPromise>>&& aPromiseHolder);
already_AddRefed<GMPContentParent> ForgetGMPContentParent();
bool EnsureProcessLoaded(base::ProcessId* aID);
void IncrementGMPContentChildCount();
const nsTArray<GMPCapability>& GetCapabilities() const {
return mCapabilities;
}
private:
~GMPParent();
void UpdatePluginType();
RefPtr<GeckoMediaPluginServiceParent> mService;
bool EnsureProcessLoaded();
RefPtr<GenericPromise> ReadGMPMetaData();
RefPtr<GenericPromise> ReadGMPInfoFile(nsIFile* aFile);
RefPtr<GenericPromise> ParseChromiumManifest(
const nsAString& aJSON); // Worker thread.
RefPtr<GenericPromise> ReadChromiumManifestFile(
nsIFile* aFile); // GMP thread.
void AddCrashAnnotations();
void GetCrashID(nsString& aResult);
void ActorDestroy(ActorDestroyReason aWhy) override;
mozilla::ipc::IPCResult RecvPGMPStorageConstructor(
PGMPStorageParent* actor) override;
PGMPStorageParent* AllocPGMPStorageParent();
bool DeallocPGMPStorageParent(PGMPStorageParent* aActor);
mozilla::ipc::IPCResult RecvPGMPTimerConstructor(
PGMPTimerParent* actor) override;
PGMPTimerParent* AllocPGMPTimerParent();
bool DeallocPGMPTimerParent(PGMPTimerParent* aActor);
mozilla::ipc::IPCResult RecvPGMPContentChildDestroyed();
mozilla::ipc::IPCResult RecvFOGData(ByteBuf&& aBuf);
#if defined(XP_WIN)
mozilla::ipc::IPCResult RecvGetModulesTrust(
ModulePaths&& aModPaths, bool aRunAtNormalPriority,
GetModulesTrustResolver&& aResolver);
#endif // defined(XP_WIN)
bool IsUsed() {
return mGMPContentChildCount > 0 || !mGetContentParentPromises.IsEmpty();
}
void ResolveGetContentParentPromises();
void RejectGetContentParentPromises();
#if defined(XP_MACOSX) && defined(__aarch64__)
// We pre-translate XUL and our plugin file to avoid x64 child process
// startup delays caused by translation for instances when the child
// process binary translations have not already been cached. i.e., the
// first time we launch an x64 child process after installation or
// update. Measured by binary size of a recent XUL and Widevine plugin,
// this makes up 94% of the translation needed. Re-translating the
// same binary does not cause translation to occur again.
void PreTranslateBins();
void PreTranslateBinsWorker();
#endif
#if defined(XP_WIN) || defined(XP_MACOSX)
nsresult GetPluginFileArch(nsIFile* aPluginDir, const nsString& aBaseName,
uint32_t& aArchSet);
#endif
Atomic<GMPState> mState;
nsCOMPtr<nsIFile> mDirectory; // plugin directory on disk
nsString mName; // base name of plugin on disk, UTF-16 because used for paths
nsCString mDisplayName; // name of plugin displayed to users
nsCString mDescription; // description of plugin for display to users
nsCString mVersion;
#if defined(XP_WIN) || defined(XP_LINUX)
nsCString mLibs;
#endif
nsString mAdapter;
const uint32_t mPluginId;
GMPPluginType mPluginType = GMPPluginType::Unknown;
nsTArray<GMPCapability> mCapabilities;
GMPProcessParent* mProcess;
bool mDeleteProcessOnlyOnUnload;
bool mAbnormalShutdownInProgress;
bool mIsBlockingDeletion;
bool mCanDecrypt;
nsTArray<RefPtr<GMPTimerParent>> mTimers;
nsTArray<RefPtr<GMPStorageParent>> mStorage;
// NodeId the plugin is assigned to, or empty if the the plugin is not
// assigned to a NodeId.
nsCString mNodeId;
// This is used for GMP content in the parent, there may be more of these in
// the content processes.
RefPtr<GMPContentParent> mGMPContentParent;
nsTArray<UniquePtr<MozPromiseHolder<GetGMPContentParentPromise>>>
mGetContentParentPromises;
uint32_t mGMPContentChildCount;
int mChildPid;
#ifdef ALLOW_GECKO_CHILD_PROCESS_ARCH
// The child process architecture to use.
uint32_t mChildLaunchArch;
#endif
#if defined(XP_MACOSX) && defined(__aarch64__)
nsCString mPluginFilePath;
#endif
const nsCOMPtr<nsISerialEventTarget> mMainThread;
};
} // namespace mozilla::gmp
#endif // GMPParent_h_
|
