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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "UtilityMediaServiceChild.h"
#include "base/basictypes.h"
#include "mozilla/AppShutdown.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/gfx/gfxVars.h"
#ifdef MOZ_WMF_MEDIA_ENGINE
# include "mozilla/StaticPrefs_media.h"
# include "mozilla/gfx/GPUProcessManager.h"
# include "mozilla/ipc/UtilityProcessManager.h"
# include "mozilla/layers/PVideoBridge.h"
# include "mozilla/layers/VideoBridgeParent.h"
# include "mozilla/layers/VideoBridgeUtils.h"
#endif
#ifdef MOZ_WMF_CDM
# include "mozilla/dom/Promise.h"
# include "mozilla/EMEUtils.h"
# include "mozilla/PMFCDM.h"
#endif
namespace mozilla::ipc {
NS_IMETHODIMP UtilityMediaServiceChildShutdownObserver::Observe(
nsISupports* aSubject, const char* aTopic, const char16_t* aData) {
MOZ_ASSERT(strcmp(aTopic, "ipc:utility-shutdown") == 0);
nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
if (observerService) {
observerService->RemoveObserver(this, "ipc:utility-shutdown");
}
UtilityMediaServiceChild::Shutdown(mSandbox);
return NS_OK;
}
NS_IMPL_ISUPPORTS(UtilityMediaServiceChildShutdownObserver, nsIObserver);
static EnumeratedArray<SandboxingKind, StaticRefPtr<UtilityMediaServiceChild>,
size_t(SandboxingKind::COUNT)>
sAudioDecoderChilds;
UtilityMediaServiceChild::UtilityMediaServiceChild(SandboxingKind aKind)
: mSandbox(aKind), mAudioDecoderChildStart(TimeStamp::Now()) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
if (observerService) {
auto* obs = new UtilityMediaServiceChildShutdownObserver(aKind);
observerService->AddObserver(obs, "ipc:utility-shutdown", false);
}
}
nsresult UtilityMediaServiceChild::BindToUtilityProcess(
RefPtr<UtilityProcessParent> aUtilityParent) {
Endpoint<PUtilityMediaServiceChild> utilityMediaServiceChildEnd;
Endpoint<PUtilityMediaServiceParent> utilityMediaServiceParentEnd;
nsresult rv = PUtilityMediaService::CreateEndpoints(
aUtilityParent->OtherEndpointProcInfo(), EndpointProcInfo::Current(),
&utilityMediaServiceParentEnd, &utilityMediaServiceChildEnd);
if (NS_FAILED(rv)) {
MOZ_ASSERT(false, "Protocol endpoints failure");
return NS_ERROR_FAILURE;
}
nsTArray<gfx::GfxVarUpdate> updates = gfx::gfxVars::FetchNonDefaultVars();
if (!aUtilityParent->SendStartUtilityMediaService(
std::move(utilityMediaServiceParentEnd), std::move(updates))) {
MOZ_ASSERT(false, "StartUtilityMediaService service failure");
return NS_ERROR_FAILURE;
}
Bind(std::move(utilityMediaServiceChildEnd));
PROFILER_MARKER_UNTYPED("UtilityMediaServiceChild::BindToUtilityProcess", IPC,
MarkerOptions(MarkerTiming::IntervalUntilNowFrom(
mAudioDecoderChildStart)));
return NS_OK;
}
void UtilityMediaServiceChild::ActorDestroy(ActorDestroyReason aReason) {
MOZ_ASSERT(NS_IsMainThread());
gfx::gfxVars::RemoveReceiver(this);
#ifdef MOZ_WMF_MEDIA_ENGINE
mHasCreatedVideoBridge = State::None;
if (auto* gpm = gfx::GPUProcessManager::Get()) {
// Note: the manager could have shutdown already.
gpm->RemoveListener(this);
}
#endif
Shutdown(mSandbox);
}
void UtilityMediaServiceChild::Bind(
Endpoint<PUtilityMediaServiceChild>&& aEndpoint) {
MOZ_ASSERT(NS_IsMainThread());
if (NS_WARN_IF(!aEndpoint.Bind(this))) {
MOZ_ASSERT_UNREACHABLE("Failed to bind UtilityMediaServiceChild!");
return;
}
gfx::gfxVars::AddReceiver(this);
}
/* static */
void UtilityMediaServiceChild::Shutdown(SandboxingKind aKind) {
sAudioDecoderChilds[aKind] = nullptr;
}
/* static */
RefPtr<UtilityMediaServiceChild> UtilityMediaServiceChild::GetSingleton(
SandboxingKind aKind) {
MOZ_ASSERT(NS_IsMainThread());
bool shutdown = AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMWillShutdown);
if (!sAudioDecoderChilds[aKind] && !shutdown) {
sAudioDecoderChilds[aKind] = new UtilityMediaServiceChild(aKind);
}
return sAudioDecoderChilds[aKind];
}
mozilla::ipc::IPCResult
UtilityMediaServiceChild::RecvUpdateMediaCodecsSupported(
const RemoteMediaIn& aLocation,
const media::MediaCodecsSupported& aSupported) {
dom::ContentParent::BroadcastMediaCodecsSupportedUpdate(aLocation,
aSupported);
return IPC_OK();
}
void UtilityMediaServiceChild::OnVarChanged(
const nsTArray<gfx::GfxVarUpdate>& aVar) {
SendUpdateVar(aVar);
}
#ifdef MOZ_WMF_MEDIA_ENGINE
mozilla::ipc::IPCResult
UtilityMediaServiceChild::RecvCompleteCreatedVideoBridge() {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mSandbox == SandboxingKind::MF_MEDIA_ENGINE_CDM);
if (mHasCreatedVideoBridge == State::Creating) {
mHasCreatedVideoBridge = State::Created;
} else {
MOZ_ASSERT_UNREACHABLE("Video bridge created but was not creating?");
}
return IPC_OK();
}
void UtilityMediaServiceChild::OnCompositorUnexpectedShutdown() {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mSandbox == SandboxingKind::MF_MEDIA_ENGINE_CDM);
mHasCreatedVideoBridge = State::None;
if (auto* gpm = gfx::GPUProcessManager::Get()) {
if (auto utilpm = UtilityProcessManager::GetSingleton())
if (auto parent = utilpm->GetProcessParent(mSandbox)) {
if (NS_SUCCEEDED(gpm->CreateUtilityMFCDMVideoBridge(
this, parent->OtherEndpointProcInfo()))) {
mHasCreatedVideoBridge = State::Creating;
}
}
}
}
bool UtilityMediaServiceChild::CreateVideoBridge(
mozilla::ipc::EndpointProcInfo aOtherProcess) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mSandbox == SandboxingKind::MF_MEDIA_ENGINE_CDM);
// Creating or already created, avoiding reinit a bridge.
if (mHasCreatedVideoBridge != State::None) {
return true;
}
auto* gpm = gfx::GPUProcessManager::Get();
if (NS_WARN_IF(!gpm) || NS_WARN_IF(NS_FAILED(gpm->EnsureGPUReady())) ||
NS_WARN_IF(
NS_FAILED(gpm->CreateUtilityMFCDMVideoBridge(this, aOtherProcess)))) {
return false;
}
gpm->AddListener(this);
mHasCreatedVideoBridge = State::Creating;
return true;
}
#endif
#ifdef MOZ_WMF_CDM
void UtilityMediaServiceChild::GetKeySystemCapabilities(
dom::Promise* aPromise) {
EME_LOG("Ask capabilities for all supported CDMs");
SendGetKeySystemCapabilities()->Then(
NS_GetCurrentThread(), __func__,
[promise = RefPtr<dom::Promise>(aPromise)](
CopyableTArray<MFCDMCapabilitiesIPDL>&& result) {
FallibleTArray<dom::CDMInformation> cdmInfo;
for (const auto& capabilities : result) {
EME_LOG("Received capabilities for %s",
NS_ConvertUTF16toUTF8(capabilities.keySystem()).get());
for (const auto& v : capabilities.videoCapabilities()) {
for (const auto& scheme : v.encryptionSchemes()) {
EME_LOG(" capabilities: video=%s, scheme=%s",
NS_ConvertUTF16toUTF8(v.contentType()).get(),
EnumValueToString(scheme));
}
}
for (const auto& a : capabilities.audioCapabilities()) {
for (const auto& scheme : a.encryptionSchemes()) {
EME_LOG(" capabilities: audio=%s, scheme=%s",
NS_ConvertUTF16toUTF8(a.contentType()).get(),
EnumValueToString(scheme));
}
}
auto* info = cdmInfo.AppendElement(fallible);
if (!info) {
promise->MaybeReject(NS_ERROR_OUT_OF_MEMORY);
return;
}
info->mKeySystemName = capabilities.keySystem();
KeySystemConfig config;
MFCDMCapabilitiesIPDLToKeySystemConfig(capabilities, config);
info->mCapabilities = config.GetDebugInfo();
info->mClearlead =
DoesKeySystemSupportClearLead(info->mKeySystemName);
if (capabilities.isHardwareDecryption()) {
info->mIsHardwareDecryption = true;
}
}
promise->MaybeResolve(cdmInfo);
},
[promise = RefPtr<dom::Promise>(aPromise)](
const mozilla::ipc::ResponseRejectReason& aReason) {
EME_LOG("IPC failure for GetKeySystemCapabilities!");
promise->MaybeReject(NS_ERROR_DOM_MEDIA_CDM_ERR);
});
}
mozilla::ipc::IPCResult UtilityMediaServiceChild::RecvDisableHardwareDRM() {
MOZ_ASSERT(NS_IsMainThread());
static constexpr const char* kHardDRMPref = "media.eme.hwdrm.failed";
Preferences::SetBool(kHardDRMPref, true);
return IPC_OK();
}
#endif
} // namespace mozilla::ipc
|
