-
Notifications
You must be signed in to change notification settings - Fork 0
/
DuplicationManager.cpp
493 lines (400 loc) · 12.7 KB
/
DuplicationManager.cpp
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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
/************************************************************************************************************************************************************************************************************
*FILE: Id3d11DuplicationManager.cpp
*
*DESCRIPTION - Contains methods to capture the screen using DirectX APIs
*
*
*Date: OCT 2016
**************************************************************************************************************************************************************************************************************/
/**************************************************************************************************************************************************************************************************************/
// includes
#include "DuplicationManager.h"
#include "comdef.h"
/***************************************************************************************************************************************************************************************************************/
//Function Definitions
/************************************************************************************************************************************************************************************************************
*Function: ProcessFailure
*
*DESCRIPTION - Processes the Failure in screencapture and handles it accordinglys
*
*Returns Success or Failure
*
*Date: DEC 2016
**************************************************************************************************************************************************************************************************************/
HRESULT ProcessFailure(_In_opt_ ID3D11Device* Device, _In_ LPCWSTR Str, _In_ LPCWSTR Title, HRESULT hr)//, _In_opt_z_ HRESULT* ExpectedErrors = NULL)
{
HRESULT TranslatedHr;
// On an error check if the DX device is lost
if (Device)
{
HRESULT DeviceRemovedReason = Device->GetDeviceRemovedReason();
switch (DeviceRemovedReason)
{
case DXGI_ERROR_DEVICE_REMOVED:
case DXGI_ERROR_DEVICE_RESET:
case static_cast<HRESULT>(E_OUTOFMEMORY) :
{
// Our device has been stopped due to an external event on the GPU so map them all to
// device removed and continue processing the condition
TranslatedHr = DXGI_ERROR_DEVICE_REMOVED;
break;
}
case S_OK:
{
// Device is not removed so use original error
TranslatedHr = hr;
break;
}
default:
{
// Device is removed but not a error we want to remap
TranslatedHr = DeviceRemovedReason;
}
}
}
else
{
TranslatedHr = hr;
}
{
_com_error err(TranslatedHr);
LPCTSTR errMsg = err.ErrorMessage();
}
return TranslatedHr;
}
//
// Constructor sets up references / variables
//
cDuplicationManager::cDuplicationManager() : m_DeskDupl(nullptr),
m_AcquiredDesktopImage(nullptr),
m_MetaDataBuffer(nullptr),
m_MetaDataSize(0),
m_OutputNumber(0),
m_Device(nullptr)
{
RtlZeroMemory(&m_OutputDesc, sizeof(m_OutputDesc));
}
//
// Destructor simply calls CleanRefs to destroy everything
//
cDuplicationManager::~cDuplicationManager()
{
CleanUp();
}
BOOL cDuplicationManager::IsDeviceReady()
{
if (m_DeskDupl)
{
return TRUE;
}
return FALSE;
}
bool IsDxgiFrameRotated(DXGI_MODE_ROTATION rotation) {
switch (rotation) {
case DXGI_MODE_ROTATION_IDENTITY:
case DXGI_MODE_ROTATION_UNSPECIFIED:
{
return false;
}
break;
case DXGI_MODE_ROTATION_ROTATE90:
case DXGI_MODE_ROTATION_ROTATE180:
case DXGI_MODE_ROTATION_ROTATE270:
{
return true;
}
break;
}
}
//
// Initialize duplication interfaces
//
HRESULT cDuplicationManager::InitDupl(_In_ ID3D11Device* Device, _In_ IDXGIAdapter *_pAdapter, _In_ IDXGIOutput *_pOutput, _In_ UINT Output)
{
HRESULT hr = E_FAIL;
if (!_pOutput || !_pAdapter || !Device)
{
return hr;
}
m_OutputNumber = Output;
// Take a reference on the device
m_Device = Device;
m_Device->AddRef();
#if 0
// Get DXGI device
IDXGIDevice* DxgiDevice = nullptr;
HRESULT hr = m_Device->QueryInterface(__uuidof(IDXGIDevice), reinterpret_cast<void**>(&DxgiDevice));
if (FAILED(hr))
{
return ProcessFailure(nullptr, _T("Failed to QI for DXGI Device"), _T("Error"), hr);
}
// Get DXGI adapter
IDXGIAdapter* DxgiAdapter = nullptr;
hr = DxgiDevice->GetParent(__uuidof(IDXGIAdapter), reinterpret_cast<void**>(&DxgiAdapter));
DxgiDevice->Release();
DxgiDevice = nullptr;
if (FAILED(hr))
{
return ProcessFailure(m_Device, _T("Failed to get parent DXGI Adapter"), _T("Error"), hr);//, SystemTransitionsExpectedErrors);
}
// Get output
IDXGIOutput* DxgiOutput = nullptr;
hr = DxgiAdapter->EnumOutputs(Output, &DxgiOutput);
DxgiAdapter->Release();
DxgiAdapter = nullptr;
if (FAILED(hr))
{
return ProcessFailure(m_Device, _T("Failed to get specified output in DUPLICATIONMANAGER"), _T("Error"), hr);//, EnumOutputsExpectedErrors);
}
DxgiOutput->GetDesc(&m_OutputDesc);
IDXGIOutput1* DxgiOutput1 = nullptr;
hr = DxgiOutput->QueryInterface(__uuidof(DxgiOutput1), reinterpret_cast<void**>(&DxgiOutput1));
#endif
_pOutput->GetDesc(&m_OutputDesc);
// QI for Output 1
IDXGIOutput1* DxgiOutput1 = nullptr;
hr = _pOutput->QueryInterface(__uuidof(DxgiOutput1), reinterpret_cast<void**>(&DxgiOutput1));
if (FAILED(hr))
{
return ProcessFailure(nullptr, _T("Failed to QI for DxgiOutput1 in DUPLICATIONMANAGER"), _T("Error"), hr);
}
// Create desktop duplication
hr = DxgiOutput1->DuplicateOutput(m_Device, &m_DeskDupl);
DxgiOutput1->Release();
DxgiOutput1 = nullptr;
if (FAILED(hr) || !m_DeskDupl)
{
if (hr == DXGI_ERROR_NOT_CURRENTLY_AVAILABLE)
{
return ProcessFailure(nullptr, _T("Maximum number of applications using Desktop Duplication API"), _T("Error"), hr);
}
return ProcessFailure(m_Device, _T("Failed to get duplicate output in DUPLICATIONMANAGER"), _T("Error"), hr);//, CreateDuplicationExpectedErrors);
}
else
{
DXGI_OUTDUPL_DESC desc_;
m_DeskDupl->GetDesc(&desc_);
if (IsDxgiFrameRotated(desc_.Rotation))
{
return DXGI_ERRORS::FRAME_ROTATION_UNSUPPORTED;
}
}
return S_OK;
}
//
// Retrieves mouse info and write it into PtrInfo
//
HRESULT cDuplicationManager::GetMouse(_Inout_ PTR_INFO* PtrInfo, _In_ DXGI_OUTDUPL_FRAME_INFO* FrameInfo, INT OffsetX, INT OffsetY)
{
// A non-zero mouse update timestamp indicates that there is a mouse position update and optionally a shape change
if (FrameInfo->LastMouseUpdateTime.QuadPart == 0)
{
return S_OK;
}
bool UpdatePosition = true;
// Make sure we don't update pointer position wrongly
// If pointer is invisible, make sure we did not get an update from another output that the last time that said pointer
// was visible, if so, don't set it to invisible or update.
if (!FrameInfo->PointerPosition.Visible && (PtrInfo->WhoUpdatedPositionLast != m_OutputNumber))
{
UpdatePosition = false;
}
// If two outputs both say they have a visible, only update if new update has newer timestamp
if (FrameInfo->PointerPosition.Visible && PtrInfo->Visible && (PtrInfo->WhoUpdatedPositionLast != m_OutputNumber) && (PtrInfo->LastTimeStamp.QuadPart > FrameInfo->LastMouseUpdateTime.QuadPart))
{
UpdatePosition = false;
}
// Update position
if (UpdatePosition)
{
PtrInfo->Position.x = FrameInfo->PointerPosition.Position.x + m_OutputDesc.DesktopCoordinates.left - OffsetX;
PtrInfo->Position.y = FrameInfo->PointerPosition.Position.y + m_OutputDesc.DesktopCoordinates.top - OffsetY;
PtrInfo->WhoUpdatedPositionLast = m_OutputNumber;
PtrInfo->LastTimeStamp = FrameInfo->LastMouseUpdateTime;
PtrInfo->Visible = FrameInfo->PointerPosition.Visible != 0;
}
// No new shape
if (FrameInfo->PointerShapeBufferSize == 0)
{
return S_OK;
}
// Old buffer too small
if (FrameInfo->PointerShapeBufferSize > PtrInfo->BufferSize)
{
if (PtrInfo->PtrShapeBuffer)
{
delete[] PtrInfo->PtrShapeBuffer;
PtrInfo->PtrShapeBuffer = nullptr;
}
PtrInfo->PtrShapeBuffer = new (std::nothrow) BYTE[FrameInfo->PointerShapeBufferSize];
if (!PtrInfo->PtrShapeBuffer)
{
PtrInfo->BufferSize = 0;
return ProcessFailure(nullptr, _T("Failed to allocate memory for pointer shape in DUPLICATIONMANAGER"), _T("Error"), E_OUTOFMEMORY);
}
// Update buffer size
PtrInfo->BufferSize = FrameInfo->PointerShapeBufferSize;
}
// Get shape
UINT BufferSizeRequired;
HRESULT hr = m_DeskDupl->GetFramePointerShape(FrameInfo->PointerShapeBufferSize, reinterpret_cast<VOID*>(PtrInfo->PtrShapeBuffer), &BufferSizeRequired, &(PtrInfo->ShapeInfo));
if (FAILED(hr))
{
delete[] PtrInfo->PtrShapeBuffer;
PtrInfo->PtrShapeBuffer = nullptr;
PtrInfo->BufferSize = 0;
return ProcessFailure(m_Device, _T("Failed to get frame pointer shape in DUPLICATIONMANAGER"), _T("Error"), hr);//, FrameInfoExpectedErrors);
}
return S_OK;
}
//
// Get next frame and write it into Data
//
_Success_(*Timeout == false && return == DUPL_RETURN_SUCCESS)
HRESULT cDuplicationManager::GetFrame(_Out_ FRAME_DATA* Data, int timeout, _Out_ bool* Timeout)
{
IDXGIResource* DesktopResource = nullptr;
DXGI_OUTDUPL_FRAME_INFO FrameInfo;
HRESULT hr = S_OK;
try
{
// If still holding old frame, destroy it
if (m_AcquiredDesktopImage)
{
m_AcquiredDesktopImage->Release();
m_AcquiredDesktopImage = nullptr;
hr = m_DeskDupl->ReleaseFrame();
}
// Get new frame
hr = m_DeskDupl->AcquireNextFrame(timeout, &FrameInfo, &DesktopResource);
if (hr == DXGI_ERROR_WAIT_TIMEOUT)
{
*Timeout = true;
return S_OK;
}
if (FAILED(hr))
{
return ProcessFailure(m_Device, _T("Failed to acquire next frame in DUPLICATIONMANAGER"), _T("Error"), hr);//, FrameInfoExpectedErrors);
}
if (DesktopResource)
{
// QI for IDXGIResource
hr = DesktopResource->QueryInterface(__uuidof(ID3D11Texture2D), reinterpret_cast<void **>(&m_AcquiredDesktopImage));
DesktopResource->Release();
DesktopResource = nullptr;
}
if (FAILED(hr))
{
return ProcessFailure(nullptr, _T("Failed to QI for ID3D11Texture2D from acquired IDXGIResource in DUPLICATIONMANAGER"), _T("Error"), hr);
}
// Get metadata
if (FrameInfo.TotalMetadataBufferSize)
{
// Old buffer too small
if (FrameInfo.TotalMetadataBufferSize > m_MetaDataSize)
{
if (m_MetaDataBuffer)
{
delete[] m_MetaDataBuffer;
m_MetaDataBuffer = nullptr;
}
m_MetaDataBuffer = new (std::nothrow) BYTE[FrameInfo.TotalMetadataBufferSize];
if (!m_MetaDataBuffer)
{
m_MetaDataSize = 0;
Data->MoveCount = 0;
Data->DirtyCount = 0;
return ProcessFailure(nullptr, _T("Failed to allocate memory for metadata in DUPLICATIONMANAGER"), _T("Error"), E_OUTOFMEMORY);
}
m_MetaDataSize = FrameInfo.TotalMetadataBufferSize;
}
UINT BufSize = FrameInfo.TotalMetadataBufferSize;
// Get move rectangles
hr = m_DeskDupl->GetFrameMoveRects(BufSize, reinterpret_cast<DXGI_OUTDUPL_MOVE_RECT*>(m_MetaDataBuffer), &BufSize);
if (FAILED(hr))
{
Data->MoveCount = 0;
Data->DirtyCount = 0;
return ProcessFailure(nullptr, L"Failed to get frame move rects in DUPLICATIONMANAGER", L"Error", hr);//, FrameInfoExpectedErrors);
}
Data->MoveCount = BufSize / sizeof(DXGI_OUTDUPL_MOVE_RECT);
BYTE* DirtyRects = m_MetaDataBuffer + BufSize;
BufSize = FrameInfo.TotalMetadataBufferSize - BufSize;
// Get dirty rectangles
hr = m_DeskDupl->GetFrameDirtyRects(BufSize, reinterpret_cast<RECT*>(DirtyRects), &BufSize);
if (FAILED(hr))
{
Data->MoveCount = 0;
Data->DirtyCount = 0;
return ProcessFailure(nullptr, _T("Failed to get frame dirty rects in DUPLICATIONMANAGER"), _T("Error"), hr);//, FrameInfoExpectedErrors);
}
Data->DirtyCount = BufSize / sizeof(RECT);
Data->MetaData = m_MetaDataBuffer;
}
Data->Frame = m_AcquiredDesktopImage;
Data->FrameInfo = FrameInfo;
}
catch (...)
{
return S_FALSE;
}
return S_OK;
}
//
// Release frame
//
HRESULT cDuplicationManager::DoneWithFrame()
{
if (m_AcquiredDesktopImage)
{
HRESULT hr = m_DeskDupl->ReleaseFrame();
if (FAILED(hr))
{
return ProcessFailure(m_Device, _T("Failed to release frame in DUPLICATIONMANAGER"), _T("Error"), hr);//, FrameInfoExpectedErrors);
}
m_AcquiredDesktopImage->Release();
m_AcquiredDesktopImage = nullptr;
}
return S_OK;
}
//
// Gets output desc into DescPtr
//
void cDuplicationManager::GetOutputDesc(_Out_ DXGI_OUTPUT_DESC* DescPtr)
{
*DescPtr = m_OutputDesc;
}
void cDuplicationManager::Reset()
{
CleanUp();
m_DeskDupl = nullptr;
m_AcquiredDesktopImage = nullptr;
m_MetaDataBuffer = nullptr;
m_MetaDataSize = 0;
m_OutputNumber = 0;
m_Device = nullptr;
RtlZeroMemory(&m_OutputDesc, sizeof(m_OutputDesc));
}
void cDuplicationManager::CleanUp()
{
if (m_DeskDupl)
{
m_DeskDupl->Release();
m_DeskDupl = nullptr;
}
if (m_AcquiredDesktopImage)
{
m_AcquiredDesktopImage->Release();
m_AcquiredDesktopImage = nullptr;
}
if (m_MetaDataBuffer)
{
delete[] m_MetaDataBuffer;
m_MetaDataBuffer = nullptr;
}
if (m_Device)
{
m_Device->Release();
m_Device = nullptr;
}
}