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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 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 "RemoteMediaDataDecoder.h"
#include "RemoteDecoderChild.h"
#include "RemoteMediaManagerChild.h"
namespace mozilla {
#ifdef LOG
# undef LOG
#endif // LOG
#define LOG(arg, ...) \
DDMOZ_LOG(sPDMLog, mozilla::LogLevel::Debug, "::%s: " arg, __func__, \
##__VA_ARGS__)
RemoteMediaDataDecoder::RemoteMediaDataDecoder(RemoteDecoderChild* aChild)
: mChild(aChild),
mDescription("RemoteMediaDataDecoder"_ns),
mProcessName("unknown"_ns),
mCodecName("unknown"_ns),
mIsHardwareAccelerated(false),
mConversion(ConversionRequired::kNeedNone),
mShouldDecoderAlwaysBeRecycled(false) {
LOG("%p is created", this);
}
RemoteMediaDataDecoder::~RemoteMediaDataDecoder() {
if (mChild) {
// Shutdown didn't get called. This can happen if the creation of the
// decoder got interrupted while pending.
nsCOMPtr<nsISerialEventTarget> thread =
RemoteMediaManagerChild::GetManagerThread();
MOZ_ASSERT(thread);
thread->Dispatch(NS_NewRunnableFunction(
"RemoteMediaDataDecoderShutdown", [child = std::move(mChild), thread] {
child->Shutdown()->Then(
thread, __func__,
[child](const ShutdownPromise::ResolveOrRejectValue& aValue) {
child->DestroyIPDL();
});
}));
}
LOG("%p is released", this);
}
RefPtr<MediaDataDecoder::InitPromise> RemoteMediaDataDecoder::Init() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteMediaManagerChild::GetManagerThread(), __func__,
[self]() { return self->mChild->Init(); })
->Then(
RemoteMediaManagerChild::GetManagerThread(), __func__,
[self, this](TrackType aTrack) {
MutexAutoLock lock(mMutex);
// If shutdown has started in the meantime shutdown promise may
// be resloved before this task. In this case mChild will be null
// and the init promise has to be canceled.
if (!mChild) {
return InitPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_CANCELED,
__func__);
}
mDescription = mChild->GetDescriptionName();
mProcessName = mChild->GetProcessName();
mCodecName = mChild->GetCodecName();
mIsHardwareAccelerated =
mChild->IsHardwareAccelerated(mHardwareAcceleratedReason);
mConversion = mChild->NeedsConversion();
mDecodeProperties = mChild->GetDecodeProperties();
mShouldDecoderAlwaysBeRecycled =
mChild->ShouldDecoderAlwaysBeRecycled();
LOG("%p RemoteDecoderChild has been initialized - description: %s, "
"process: %s, codec: %s",
this, mDescription.get(), mProcessName.get(), mCodecName.get());
return InitPromise::CreateAndResolve(aTrack, __func__);
},
[self](const MediaResult& aError) {
return InitPromise::CreateAndReject(aError, __func__);
});
}
RefPtr<MediaDataDecoder::DecodePromise> RemoteMediaDataDecoder::Decode(
MediaRawData* aSample) {
RefPtr<RemoteMediaDataDecoder> self = this;
RefPtr<MediaRawData> sample = aSample;
return InvokeAsync(
RemoteMediaManagerChild::GetManagerThread(), __func__, [self, sample]() {
return self->mChild->Decode(nsTArray<RefPtr<MediaRawData>>{sample});
});
}
RefPtr<MediaDataDecoder::DecodePromise> RemoteMediaDataDecoder::DecodeBatch(
nsTArray<RefPtr<MediaRawData>>&& aSamples) {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteMediaManagerChild::GetManagerThread(), __func__,
[self, samples = std::move(aSamples)]() {
return self->mChild->Decode(samples);
});
}
RefPtr<MediaDataDecoder::FlushPromise> RemoteMediaDataDecoder::Flush() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteMediaManagerChild::GetManagerThread(), __func__,
[self]() { return self->mChild->Flush(); });
}
RefPtr<MediaDataDecoder::DecodePromise> RemoteMediaDataDecoder::Drain() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteMediaManagerChild::GetManagerThread(), __func__,
[self]() { return self->mChild->Drain(); });
}
RefPtr<ShutdownPromise> RemoteMediaDataDecoder::Shutdown() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(
RemoteMediaManagerChild::GetManagerThread(), __func__, [self]() {
RefPtr<ShutdownPromise> p = self->mChild->Shutdown();
// We're about to be destroyed and drop our ref to
// *DecoderChild. Make sure we put a ref into the
// task queue for the *DecoderChild thread to keep
// it alive until we send the delete message.
p->Then(RemoteMediaManagerChild::GetManagerThread(), __func__,
[child = std::move(self->mChild)](
const ShutdownPromise::ResolveOrRejectValue& aValue) {
MOZ_ASSERT(aValue.IsResolve());
child->DestroyIPDL();
return ShutdownPromise::CreateAndResolveOrReject(aValue,
__func__);
});
return p;
});
}
bool RemoteMediaDataDecoder::IsHardwareAccelerated(
nsACString& aFailureReason) const {
MutexAutoLock lock(mMutex);
aFailureReason = mHardwareAcceleratedReason;
return mIsHardwareAccelerated;
}
void RemoteMediaDataDecoder::SetSeekThreshold(const media::TimeUnit& aTime) {
RefPtr<RemoteMediaDataDecoder> self = this;
media::TimeUnit time = aTime;
RemoteMediaManagerChild::GetManagerThread()->Dispatch(
NS_NewRunnableFunction("dom::RemoteMediaDataDecoder::SetSeekThreshold",
[=]() {
MOZ_ASSERT(self->mChild);
self->mChild->SetSeekThreshold(time);
}),
NS_DISPATCH_NORMAL);
}
MediaDataDecoder::ConversionRequired RemoteMediaDataDecoder::NeedsConversion()
const {
MutexAutoLock lock(mMutex);
return mConversion;
}
Maybe<MediaDataDecoder::PropertyValue>
RemoteMediaDataDecoder::GetDecodeProperty(
MediaDataDecoder::PropertyName aName) const {
MutexAutoLock lock(mMutex);
return mDecodeProperties[aName];
}
nsCString RemoteMediaDataDecoder::GetDescriptionName() const {
MutexAutoLock lock(mMutex);
return mDescription;
}
nsCString RemoteMediaDataDecoder::GetProcessName() const {
MutexAutoLock lock(mMutex);
return mProcessName;
}
nsCString RemoteMediaDataDecoder::GetCodecName() const {
MutexAutoLock lock(mMutex);
return mCodecName;
}
bool RemoteMediaDataDecoder::ShouldDecoderAlwaysBeRecycled() const {
MutexAutoLock lock(mMutex);
return mShouldDecoderAlwaysBeRecycled;
}
#undef LOG
} // namespace mozilla
|
