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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 WMFUtils_h
#define WMFUtils_h
#include "ImageTypes.h"
#include "TimeUnits.h"
#include "VideoUtils.h"
#include "WMF.h"
#include "mozilla/gfx/Rect.h"
#include "nsString.h"
// Various utilities shared by WMF backend files.
namespace mozilla {
static const GUID CLSID_MSOpusDecoder = {
0x63e17c10,
0x2d43,
0x4c42,
{0x8f, 0xe3, 0x8d, 0x8b, 0x63, 0xe4, 0x6a, 0x6a}};
// Media types supported by Media Foundation.
enum class WMFStreamType {
Unknown,
H264,
VP8,
VP9,
AV1,
MP3,
AAC,
OPUS,
VORBIS,
SENTINEL
};
bool StreamTypeIsVideo(const WMFStreamType& aType);
bool StreamTypeIsAudio(const WMFStreamType& aType);
// Get a string representation of the stream type. Useful for logging.
const char* StreamTypeToString(WMFStreamType aStreamType);
WMFStreamType GetStreamTypeFromMimeType(const nsCString& aMimeType);
// Converts from microseconds to hundreds of nanoseconds.
// We use microseconds for our timestamps, whereas WMF uses
// hundreds of nanoseconds.
inline int64_t UsecsToHNs(int64_t aUsecs) { return aUsecs * 10; }
// Converts from hundreds of nanoseconds to microseconds.
// We use microseconds for our timestamps, whereas WMF uses
// hundreds of nanoseconds.
inline int64_t HNsToUsecs(int64_t hNanoSecs) { return hNanoSecs / 10; }
HRESULT HNsToFrames(int64_t aHNs, uint32_t aRate, int64_t* aOutFrames);
HRESULT
GetDefaultStride(IMFMediaType* aType, uint32_t aWidth, uint32_t* aOutStride);
Maybe<gfx::YUVColorSpace> GetYUVColorSpace(IMFMediaType* aType);
int32_t MFOffsetToInt32(const MFOffset& aOffset);
// Gets the sub-region of the video frame that should be displayed.
// See:
// http://msdn.microsoft.com/en-us/library/windows/desktop/bb530115(v=vs.85).aspx
HRESULT
GetPictureRegion(IMFMediaType* aMediaType, gfx::IntRect& aOutPictureRegion);
// Returns the duration of a IMFSample in TimeUnit.
// Returns media::TimeUnit::Invalid() on failure.
media::TimeUnit GetSampleDuration(IMFSample* aSample);
// Returns the presentation time of a IMFSample in TimeUnit.
// Returns media::TimeUnit::Invalid() on failure.
media::TimeUnit GetSampleTime(IMFSample* aSample);
inline bool IsFlagSet(DWORD flags, DWORD pattern) {
return (flags & pattern) == pattern;
}
// Will return %ProgramW6432% value as per:
// https://msdn.microsoft.com/library/windows/desktop/aa384274.aspx
nsString GetProgramW6432Path();
const char* MFTMessageTypeToStr(MFT_MESSAGE_TYPE aMsg);
GUID AudioMimeTypeToMediaFoundationSubtype(const nsACString& aMimeType);
GUID VideoMimeTypeToMediaFoundationSubtype(const nsACString& aMimeType);
void AACAudioSpecificConfigToUserData(uint8_t aAACProfileLevelIndication,
const uint8_t* aAudioSpecConfig,
uint32_t aConfigLength,
nsTArray<BYTE>& aOutUserData);
} // namespace mozilla
#endif
|
