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
|
/* 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 DOM_MEDIA_IPC_MFMEDIAENGINEUTILS_H_
#define DOM_MEDIA_IPC_MFMEDIAENGINEUTILS_H_
#include "MFMediaEngineExtra.h"
#include "ipc/EnumSerializer.h"
#include "mozilla/Logging.h"
#include "mozilla/ProfilerMarkerTypes.h"
namespace mozilla {
inline LazyLogModule gMFMediaEngineLog{"MFMediaEngine"};
// https://docs.microsoft.com/en-us/windows/win32/api/mfmediaengine/ne-mfmediaengine-mf_media_engine_event
using MFMediaEngineEvent = MF_MEDIA_ENGINE_EVENT;
// https://docs.microsoft.com/en-us/windows/win32/api/mfmediaengine/ne-mfmediaengine-mf_media_engine_err
using MFMediaEngineError = MF_MEDIA_ENGINE_ERR;
#define LOG_AND_WARNING(msg, ...) \
do { \
NS_WARNING(nsPrintfCString(msg, rv).get()); \
MOZ_LOG(gMFMediaEngineLog, LogLevel::Debug, \
("%s:%d, " msg, __FILE__, __LINE__, ##__VA_ARGS__)); \
} while (false)
#ifndef RETURN_IF_FAILED
# define RETURN_IF_FAILED(x) \
do { \
HRESULT rv = x; \
if (MOZ_UNLIKELY(FAILED(rv))) { \
LOG_AND_WARNING("(" #x ") failed, rv=%lx", rv); \
return rv; \
} \
} while (false)
#endif
#ifndef RETURN_VOID_IF_FAILED
# define RETURN_VOID_IF_FAILED(x) \
do { \
HRESULT rv = x; \
if (MOZ_UNLIKELY(FAILED(rv))) { \
LOG_AND_WARNING("(" #x ") failed, rv=%lx", rv); \
return; \
} \
} while (false)
#endif
#ifndef RETURN_PARAM_IF_FAILED
# define RETURN_PARAM_IF_FAILED(x, defaultOut) \
do { \
HRESULT rv = x; \
if (MOZ_UNLIKELY(FAILED(rv))) { \
LOG_AND_WARNING("(" #x ") failed, rv=%lx", rv); \
return defaultOut; \
} \
} while (false)
#endif
#define ENGINE_MARKER(markerName) \
PROFILER_MARKER(markerName, MEDIA_PLAYBACK, {}, MediaEngineMarker, Id())
#define ENGINE_MARKER_TEXT(markerName, text) \
PROFILER_MARKER(markerName, MEDIA_PLAYBACK, {}, MediaEngineTextMarker, Id(), \
text)
const char* MediaEventTypeToStr(MediaEventType aType);
const char* MediaEngineEventToStr(MF_MEDIA_ENGINE_EVENT aEvent);
const char* MFMediaEngineErrorToStr(MFMediaEngineError aError);
const char* GUIDToStr(GUID aGUID);
const char* MFVideoRotationFormatToStr(MFVideoRotationFormat aFormat);
const char* MFVideoTransferFunctionToStr(MFVideoTransferFunction aFunc);
const char* MFVideoPrimariesToStr(MFVideoPrimaries aPrimaries);
void ByteArrayFromGUID(REFGUID aGuidIn, nsTArray<uint8_t>& aByteArrayOut);
void GUIDFromByteArray(const nsTArray<uint8_t>& aByteArrayIn, GUID& aGuidOut);
// See cdm::SubsampleEntry
struct MediaFoundationSubsampleEntry {
uint32_t mClearBytes;
uint32_t mCipherBytes;
};
template <typename T>
class ScopedCoMem {
public:
ScopedCoMem() : mPtr(nullptr) {}
~ScopedCoMem() { Reset(nullptr); }
ScopedCoMem(const ScopedCoMem&) = delete;
ScopedCoMem& operator=(const ScopedCoMem&) = delete;
T** operator&() { // NOLINT
MOZ_ASSERT(mPtr == nullptr); // To catch memory leaks.
return &mPtr;
}
operator T*() { return mPtr; }
T* operator->() {
MOZ_ASSERT(mPtr != nullptr);
return mPtr;
}
const T* operator->() const {
MOZ_ASSERT(mPtr != nullptr);
return mPtr;
}
explicit operator bool() const { return mPtr; }
friend bool operator==(const ScopedCoMem& lhs, std::nullptr_t) {
return lhs.Get() == nullptr;
}
friend bool operator==(std::nullptr_t, const ScopedCoMem& rhs) {
return rhs.Get() == nullptr;
}
friend bool operator!=(const ScopedCoMem& lhs, std::nullptr_t) {
return lhs.Get() != nullptr;
}
friend bool operator!=(std::nullptr_t, const ScopedCoMem& rhs) {
return rhs.Get() != nullptr;
}
void Reset(T* ptr) {
if (mPtr) CoTaskMemFree(mPtr);
mPtr = ptr;
}
T* Get() const { return mPtr; }
private:
T* mPtr;
};
} // namespace mozilla
namespace IPC {
template <>
struct ParamTraits<mozilla::MFMediaEngineError>
: public ContiguousEnumSerializerInclusive<
mozilla::MFMediaEngineError,
mozilla::MFMediaEngineError::MF_MEDIA_ENGINE_ERR_ABORTED,
mozilla::MFMediaEngineError::MF_MEDIA_ENGINE_ERR_ENCRYPTED> {};
template <>
struct ParamTraits<mozilla::MFMediaEngineEvent>
: public ContiguousEnumSerializerInclusive<
mozilla::MFMediaEngineEvent,
mozilla::MFMediaEngineEvent::MF_MEDIA_ENGINE_EVENT_LOADSTART,
mozilla::MFMediaEngineEvent::
MF_MEDIA_ENGINE_EVENT_AUDIOENDPOINTCHANGE> {};
} // namespace IPC
#endif // DOM_MEDIA_IPC_MFMEDIAENGINECHILD_H_
|
