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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
// ------------------------------------------------------------------------------
//
// Copyright (C) Microsoft. All rights reserved.
//
// File Name:
//
// HalfApp.h
//
// Abstract:
//
// CHalfApp declarations
//
// -------------------------------------------------------------------------------
#pragma once
#define BUF_LEN_IN_MS 1000 // 1 second
// ------------------------------------------------------------------------------
// Data flow
enum STACKWISE_DATAFLOW { render, capture };
// ------------------------------------------------------------------------------
// Structs used to hold results of format records
typedef struct
{
WAVEFORMATEXTENSIBLE wfxEx;
UINT32 fundamentalPeriodInFrames;
UINT32 defaultPeriodInFrames;
UINT32 minPeriodInFrames;
UINT32 maxPeriodInFrames;
UINT32 maxPeriodInFramesExtended;
} FORMAT_RECORD, * PFORMAT_RECORD;
struct DeviceDescriptor
{
IMMDevice* pDevice;
LPWSTR pwstrAudioEndpointId;
LPWSTR pwstrAudioEndpointFriendlyName;
STACKWISE_DATAFLOW dataFlow;
EndpointConnectorType eConnectorType;
UINT uConnectorId;
GUID mode;
ULONG cModes;
GUID* pModes;
ULONG cFormatRecords;
PFORMAT_RECORD pFormatRecords;
PWAVEFORMATEX pPreferredFormat;
UINT32 u32DefaultPeriodicityInFrames;
UINT32 u32FundamentalPeriodicityInFrames;
UINT32 u32MinPeriodicityInFrames;
UINT32 u32MaxPeriodicityInFrames;
bool bIsPortCls;
bool bIsAVStream;
bool bIsBluetooth;
bool bIsSideband;
bool bIsMVA;
};
class CHalfApp
{
public:
// Basic pin infos
wil::com_ptr_nothrow<IMMDevice> m_pDevice;
wil::unique_cotaskmem_string m_pwstrDeviceId;
wil::unique_cotaskmem_string m_pwstrDeviceFriendlyName;
STACKWISE_DATAFLOW m_DataFlow;
EndpointConnectorType m_ConnectorType;
UINT m_uConnectorId;
GUID m_Mode;
ULONG m_cModes;
GUID* m_pModes; // All processing modes
bool m_bIsPortCls;
bool m_bIsAVStream;
bool m_bIsBluetooth;
bool m_bIsSideband;
bool m_bIsMVA;
// Formats
wil::unique_cotaskmem_ptr<WAVEFORMATEX> m_pPreferredFormat;
UINT32 m_u32DefaultPeriodicityInFrames;
UINT32 m_u32FundamentalPeriodicityInFrames;
UINT32 m_u32MinPeriodicityInFrames;
UINT32 m_u32MaxPeriodicityInFrames;
PFORMAT_RECORD m_pFormatRecords;
ULONG m_cFormatRecords;
wil::unique_cotaskmem_ptr<WAVEFORMATEX> m_pCurrentFormat;
UINT32 m_u32CurrentDefaultPeriodicityInFrames;
UINT32 m_u32CurrentFundamentalPeriodicityInFrames;
UINT32 m_u32CurrentMinPeriodicityInFrames;
UINT32 m_u32CurrentMaxPeriodicityInFrames;
// Audio endpoint interfaces
wil::com_ptr_nothrow<IAudioDeviceEndpoint> m_pAudioDeviceEndpoint;
wil::com_ptr_nothrow<IAudioEndpoint> m_pAudioEndpoint;
wil::com_ptr_nothrow<IAudioEndpointControl> m_pAudioEndpointControl;
wil::com_ptr_nothrow<IAudioEndpointRT> m_pAudioEndpointRT;
wil::com_ptr_nothrow<IAudioClock> m_pAudioClock;
// Data buffer
wil::unique_hlocal_ptr<BYTE> m_pbSineToneDataBuffer;
DWORD m_dwSineToneDataBufferSize;
DWORD m_dwSineToneDataBufferPosition;
// Stream
HNSTIME m_hnsPeriod = 0;
FLOAT32 m_f32EndpointFrameRate = 0.F;
HNSTIME m_hnsEndpointLatency = 0;
bool m_bIsEventCapable = false;
bool m_bStreamInitialized = false;
volatile bool m_bStreamThreadTerminate = false;
bool m_bYieldActive = false;
bool m_bIsBackupTimerRequired = true;
wil::unique_handle m_hStreamThread;
LPTHREAD_START_ROUTINE m_pStreamRoutine = nullptr;
wil::unique_event_nothrow m_hProcessThreadStartedEvent;
wil::unique_event_nothrow m_hTerminate;
wil::unique_event_nothrow m_hEndpointBufferCompleteEvent;
wil::unique_handle m_hTimer;
wil::critical_section m_CritSec;
typedef enum
{
ET_DO_NOTHING = 0x00,
ET_TERMINATE = 0x01,
ET_OBJECT_BUFFER_COMPLETE = 0x02,
ET_CLIENT_RELEASE_BUFFER = 0x04,
ET_TIMER = 0x08,
ET_PAUSE_PUMP = 0x10,
ET_RESUME_PUMP = 0x20,
} TEventType;
CHalfApp(
_In_ DeviceDescriptor descriptor
)
: m_DataFlow(descriptor.dataFlow)
, m_ConnectorType(descriptor.eConnectorType)
, m_uConnectorId(descriptor.uConnectorId)
, m_cModes(descriptor.cModes)
, m_cFormatRecords(descriptor.cFormatRecords)
, m_u32DefaultPeriodicityInFrames(descriptor.u32DefaultPeriodicityInFrames)
, m_u32FundamentalPeriodicityInFrames(descriptor.u32FundamentalPeriodicityInFrames)
, m_u32MinPeriodicityInFrames(descriptor.u32MinPeriodicityInFrames)
, m_u32MaxPeriodicityInFrames(descriptor.u32MaxPeriodicityInFrames)
, m_u32CurrentDefaultPeriodicityInFrames(descriptor.u32DefaultPeriodicityInFrames)
, m_u32CurrentFundamentalPeriodicityInFrames(descriptor.u32FundamentalPeriodicityInFrames)
, m_u32CurrentMinPeriodicityInFrames(descriptor.u32MinPeriodicityInFrames)
, m_u32CurrentMaxPeriodicityInFrames(descriptor.u32MaxPeriodicityInFrames)
, m_bIsPortCls(descriptor.bIsPortCls)
, m_bIsAVStream(descriptor.bIsAVStream)
, m_bIsBluetooth(descriptor.bIsBluetooth)
, m_bIsSideband(descriptor.bIsSideband)
, m_bIsMVA(descriptor.bIsMVA)
{
m_pDevice = descriptor.pDevice;
m_pAudioDeviceEndpoint = nullptr;
m_pAudioEndpointControl = nullptr;
m_pwstrDeviceId = wil::make_cotaskmem_string_nothrow(descriptor.pwstrAudioEndpointId, wcslen(descriptor.pwstrAudioEndpointId));
m_pwstrDeviceFriendlyName = wil::make_cotaskmem_string_nothrow(descriptor.pwstrAudioEndpointFriendlyName, wcslen(descriptor.pwstrAudioEndpointFriendlyName));
m_Mode = descriptor.mode;
m_pModes = new GUID[descriptor.cModes];
memcpy(m_pModes, descriptor.pModes, sizeof(GUID)*(descriptor.cModes));
m_pFormatRecords = new FORMAT_RECORD[descriptor.cFormatRecords];
memcpy(m_pFormatRecords, descriptor.pFormatRecords, sizeof(FORMAT_RECORD)*(descriptor.cFormatRecords));
CloneWaveFormat(descriptor.pPreferredFormat, wil::out_param(m_pPreferredFormat));
CloneWaveFormat(descriptor.pPreferredFormat, wil::out_param(m_pCurrentFormat)); // Use preferred format as current format
}
~CHalfApp(void)
{
if (m_pModes)
delete[] m_pModes;
if (m_pFormatRecords)
delete[] m_pFormatRecords;
}
// Audio endpoint interfaces
HRESULT InitializeEndpoint();
HRESULT ReleaseEndpoint();
HRESULT StartEndpoint();
HRESULT StopEndpoint();
HRESULT ResetEndpoint();
// Sine tone data buffer
HRESULT CreateSineToneDataBuffer(WAVEFORMATEX* pWfx);
HRESULT ReleaseSineToneDataBuffer();
// Stream
HRESULT InitializeAndSetBuffer(HNSTIME hnsPeriod, UINT32 u32LatencyCoefficient);
HRESULT InitializeStream(HNSTIME requestedPeriodicity, UINT32 u32LatencyCoefficient);
HRESULT CleanupStream();
HRESULT StartStream();
HRESULT StopStream();
static DWORD CALLBACK RenderStreamRoutine(PVOID lpParameter);
static DWORD CALLBACK CaptureStreamRoutine(PVOID lpParameter);
void SignalAndWaitForThread();
HRESULT SetTimer(HANDLE timer, HNSTIME timeDuration, bool fireImmediatley);
void CancelTimer(HANDLE timer);
HRESULT GetPosition(UINT64* pu64Position, UINT64* pu64hnsQPCPosition);
// Multiple pin instances
HRESULT GetCurrentAvailiablePinInstanceCount(UINT32* pAvailablePinInstanceCount);
HRESULT GetSecondHalfApp(AUDIO_SIGNALPROCESSINGMODE secondMode, CHalfApp** ppSecondHalfApp);
// Only for loopback testcases
HRESULT GetHostHalfApp(CHalfApp** ppHostHalfApp);
};
// {571BF784-A9D6-420A-BCA0-C579A8710236}
DEFINE_GUID(IID_IHalfAppContainer,
0x571bf784, 0xa9d6, 0x420a, 0xbc, 0xa0, 0xc5, 0x79, 0xa8, 071, 0x02, 0x36);
DECLARE_INTERFACE_IID_(
IHalfAppContainer,
IUnknown,
"571BF784-A9D6-420A-BCA0-C579A8710236")
{
STDMETHOD(GetHalfApp)(THIS_ CHalfApp ** ppHalfApp) PURE;
};
|