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
|
/* -*- 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 mozilla_dom_DecoderTypes_h
#define mozilla_dom_DecoderTypes_h
#include "MediaData.h"
#include "mozilla/Maybe.h"
#include "mozilla/dom/EncodedVideoChunk.h"
#include "mozilla/dom/VideoColorSpaceBinding.h"
#include "mozilla/dom/VideoDecoderBinding.h"
#include "mozilla/dom/VideoFrame.h"
#include "nsStringFwd.h"
#include "nsTLiteralString.h"
namespace mozilla {
class TrackInfo;
class MediaByteBuffer;
namespace dom {
struct VideoColorSpaceInternal {
explicit VideoColorSpaceInternal(const VideoColorSpaceInit& aColorSpaceInit);
VideoColorSpaceInternal() = default;
VideoColorSpaceInit ToColorSpaceInit() const;
bool operator==(const VideoColorSpaceInternal& aOther) const {
return mFullRange == aOther.mFullRange && mMatrix == aOther.mMatrix &&
mPrimaries == aOther.mPrimaries && mTransfer == aOther.mTransfer;
}
Maybe<bool> mFullRange;
Maybe<VideoMatrixCoefficients> mMatrix;
Maybe<VideoColorPrimaries> mPrimaries;
Maybe<VideoTransferCharacteristics> mTransfer;
};
class VideoDecoderConfigInternal {
public:
static UniquePtr<VideoDecoderConfigInternal> Create(
const VideoDecoderConfig& aConfig);
VideoDecoderConfigInternal(const nsAString& aCodec,
Maybe<uint32_t>&& aCodedHeight,
Maybe<uint32_t>&& aCodedWidth,
Maybe<VideoColorSpaceInternal>&& aColorSpace,
Maybe<RefPtr<MediaByteBuffer>>&& aDescription,
Maybe<uint32_t>&& aDisplayAspectHeight,
Maybe<uint32_t>&& aDisplayAspectWidth,
const HardwareAcceleration& aHardwareAcceleration,
Maybe<bool>&& aOptimizeForLatency);
~VideoDecoderConfigInternal() = default;
nsString ToString() const;
bool Equals(const VideoDecoderConfigInternal& aOther) const {
if (mDescription.isSome() != aOther.mDescription.isSome()) {
return false;
}
if (mDescription.isSome() && aOther.mDescription.isSome()) {
auto lhs = mDescription.value();
auto rhs = aOther.mDescription.value();
if (lhs->Length() != rhs->Length()) {
return false;
}
if (!ArrayEqual(lhs->Elements(), rhs->Elements(), lhs->Length())) {
return false;
}
}
return mCodec.Equals(aOther.mCodec) &&
mCodedHeight == aOther.mCodedHeight &&
mCodedWidth == aOther.mCodedWidth &&
mColorSpace == aOther.mColorSpace &&
mDisplayAspectHeight == aOther.mDisplayAspectWidth &&
mHardwareAcceleration == aOther.mHardwareAcceleration &&
mOptimizeForLatency == aOther.mOptimizeForLatency;
}
nsString mCodec;
Maybe<uint32_t> mCodedHeight;
Maybe<uint32_t> mCodedWidth;
Maybe<VideoColorSpaceInternal> mColorSpace;
Maybe<RefPtr<MediaByteBuffer>> mDescription;
Maybe<uint32_t> mDisplayAspectHeight;
Maybe<uint32_t> mDisplayAspectWidth;
HardwareAcceleration mHardwareAcceleration;
Maybe<bool> mOptimizeForLatency;
};
class VideoDecoderTraits {
public:
static constexpr nsLiteralCString Name = "VideoDecoder"_ns;
using ConfigType = VideoDecoderConfig;
using ConfigTypeInternal = VideoDecoderConfigInternal;
using InputType = EncodedVideoChunk;
using InputTypeInternal = EncodedVideoChunkData;
using OutputType = VideoFrame;
using OutputCallbackType = VideoFrameOutputCallback;
static bool IsSupported(const ConfigTypeInternal& aConfig);
static Result<UniquePtr<TrackInfo>, nsresult> CreateTrackInfo(
const ConfigTypeInternal& aConfig);
static bool Validate(const ConfigType& aConfig, nsCString& aErrorMessage);
static UniquePtr<ConfigTypeInternal> CreateConfigInternal(
const ConfigType& aConfig);
static bool IsKeyChunk(const InputType& aInput);
static UniquePtr<InputTypeInternal> CreateInputInternal(
const InputType& aInput);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_DecoderTypes_h
|
