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
|
/*++
Copyright (c) Microsoft Corporation. All rights reserved.
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
PURPOSE.
Module Name:
CircuitHelper.h
Abstract:
This module contains helper functions for endpoints.
Environment:
Kernel mode
--*/
// size_t
// __inline
// CODEC_ALIGN_SIZE_DOWN_CONSTANT(
// IN size_t Length,
// IN size_t AlignTo
// )
#define CODEC_ALIGN_SIZE_DOWN_CONSTANT(Length, AlignTo) ((Length) & ~((AlignTo)-1))
#define CODEC_ALIGN_SIZE_DOWN CODEC_ALIGN_SIZE_DOWN_CONSTANT
// size_t
// __inline
// CODEC_ALIGN_SIZE_UP_CONSTANT(
// IN size_t Length,
// IN size_t AlignTo
// )
#define CODEC_ALIGN_SIZE_UP_CONSTANT(Length, AlignTo) CODEC_ALIGN_SIZE_DOWN_CONSTANT((Length) + (AlignTo)-1, (AlignTo))
#define CODEC_ALIGN_SIZE_UP CODEC_ALIGN_SIZE_UP_CONSTANT
PAGED_CODE_SEG
NTSTATUS
Codec_GetModeFromAttributeList(
_In_ const PKSMULTIPLE_ITEM Attributes,
_In_ ULONG AttributesSize,
_Out_ GUID * SignalProcessingMode
);
//
// Enumeration visitor callback.
//
typedef
NTSTATUS
(EVT_KSATTRIBUTES_VISITOR)(
_In_ PKSATTRIBUTE AttributeHeader,
_In_ PVOID Context,
_Out_ BOOLEAN * bContinue
);
typedef EVT_KSATTRIBUTES_VISITOR *PFN_KSATTRIBUTES_VISITOR;
static
PAGED_CODE_SEG
EVT_KSATTRIBUTES_VISITOR FindKsAttributeByIdVisitor;
PAGED_CODE_SEG
NTSTATUS
FindKsAttributeById(
_In_ const PKSMULTIPLE_ITEM Attributes,
_In_ ULONG AttributesSize,
_In_ const _GUID * AttributeId,
_In_ ULONG AttributeSize,
_Out_ PKSATTRIBUTE * AttributeHeader
);
PAGED_CODE_SEG
NTSTATUS
TraverseKsAttributeList(
_In_ const PKSMULTIPLE_ITEM Attributes,
_In_ ULONG AttributesSize,
_In_ PFN_KSATTRIBUTES_VISITOR Visitor,
_In_ PVOID Context
);
PAGED_CODE_SEG
NTSTATUS AllocateFormat(
_In_ KSDATAFORMAT_WAVEFORMATEXTENSIBLE WaveFormat,
_In_ ACXCIRCUIT Circuit,
_In_ WDFDEVICE Device,
_Out_ ACXDATAFORMAT* Format
);
PAGED_CODE_SEG
NTSTATUS CreateStreamBridge(
_In_ ACX_STREAM_BRIDGE_CONFIG StreamCfg,
_In_ ACXCIRCUIT Circuit,
_In_ ACXPIN Pin,
_In_ DSP_PIN_CONTEXT* PinCtx,
_In_ BOOL Render
);
PAGED_CODE_SEG
NTSTATUS ConnectRenderCircuitElements(
_In_ ACXAUDIOENGINE AudioEngineElement,
_In_ ACXCIRCUIT Circuit
);
PAGED_CODE_SEG
NTSTATUS CreateAudioJack(
_In_ ULONG ChannelMapping,
_In_ ULONG Color,
_In_ ACX_JACK_CONNECTION_TYPE ConnectionType,
_In_ ACX_JACK_GEO_LOCATION GeoLocation,
_In_ ACX_JACK_GEN_LOCATION GenLocation,
_In_ ACX_JACK_PORT_CONNECTION PortConnection,
_In_ ULONG Flags,
_In_ ACXPIN BridgePin
);
PAGED_CODE_SEG
NTSTATUS EvtJackRetrievePresence(
_In_ ACXJACK Jack,
_In_ PBOOLEAN IsConnected
);
PAGED_CODE_SEG
VOID CpuResourcesCallbackHelper(
_In_ WDFOBJECT Object,
_In_ WDFREQUEST Request,
_In_ ACXELEMENT Element
);
|
