File: MockGenerator.cpp

package info (click to toggle)
openni 1.5.4.0%2Bdfsg-8
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 45,580 kB
  • sloc: cpp: 116,706; ansic: 58,807; sh: 10,287; cs: 7,698; java: 7,402; python: 1,547; makefile: 492; xml: 167
file content (518 lines) | stat: -rw-r--r-- 13,905 bytes parent folder | download | duplicates (7)
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
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
/****************************************************************************
*                                                                           *
*  OpenNI 1.x Alpha                                                         *
*  Copyright (C) 2011 PrimeSense Ltd.                                       *
*                                                                           *
*  This file is part of OpenNI.                                             *
*                                                                           *
*  OpenNI is free software: you can redistribute it and/or modify           *
*  it under the terms of the GNU Lesser General Public License as published *
*  by the Free Software Foundation, either version 3 of the License, or     *
*  (at your option) any later version.                                      *
*                                                                           *
*  OpenNI is distributed in the hope that it will be useful,                *
*  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
*  GNU Lesser General Public License for more details.                      *
*                                                                           *
*  You should have received a copy of the GNU Lesser General Public License *
*  along with OpenNI. If not, see <http://www.gnu.org/licenses/>.           *
*                                                                           *
****************************************************************************/
#include "MockGenerator.h"
#include <XnPropNames.h>
#include <XnLog.h>

#define XN_MOCK_LOG_MASK	"Mock"

MockGenerator::MockGenerator(xn::Context& context, const XnChar* strName, XnBool bAggregateData /* = FALSE */) :
	MockProductionNode(context, strName),
	m_bAggregateData(bAggregateData),
	m_bGenerating(FALSE),
	m_bMirror(FALSE),
	m_nCurrentDataIdx(0),
	m_nNextDataIdx(1),
	m_bNewDataAvailable(FALSE),
	m_bMirrorCap(FALSE),
	m_bFrameSyncCap(FALSE),
	m_bFrameSyncWithExists(FALSE),
	m_hNodeCreationCallback(NULL),
	m_hNodeDestructionCallback(NULL)
{
	memset(&m_data, 0, sizeof(m_data));
	m_strFrameSyncWith[0] = '\0';
}

MockGenerator::~MockGenerator()
{
	if (m_hNodeCreationCallback != NULL)
	{
		m_context.UnregisterFromNodeCreation(m_hNodeCreationCallback);
		m_hNodeCreationCallback = NULL;
	}

	if (m_hNodeDestructionCallback != NULL)
	{
		m_context.UnregisterFromNodeDestruction(m_hNodeDestructionCallback);
		m_hNodeDestructionCallback = NULL;
	}

	for (XnUInt32 i = 0; i < NUM_BUFFERS; i++)
	{
		xnOSFreeAligned(m_data[i].pData);
	}
}

XnBool MockGenerator::IsCapabilitySupported(const XnChar* strCapabilityName)
{
	if (strcmp(strCapabilityName, XN_CAPABILITY_MIRROR) == 0)
	{
		return (!m_bStateReady || m_bMirrorCap);
	}
	else if (strcmp(strCapabilityName, XN_CAPABILITY_FRAME_SYNC) == 0)
	{
		return (!m_bStateReady || m_bFrameSyncCap);
	}
	//TODO: Support alt view cap
	else
	{
		return MockProductionNode::IsCapabilitySupported(strCapabilityName);
	}
}

XnStatus MockGenerator::SetIntProperty(const XnChar* strName, XnUInt64 nValue)
{
	XnStatus nRetVal = XN_STATUS_OK;

	if (strcmp(strName, XN_PROP_IS_GENERATING) == 0)
	{
		SetGenerating((XnBool)nValue);
	}
	else if (strcmp(strName, XN_PROP_TIMESTAMP) == 0)
	{
		m_data[m_nNextDataIdx].nTimeStamp = nValue;
	}
	else if (strcmp(strName, XN_PROP_FRAME_ID) == 0)
	{
		m_data[m_nNextDataIdx].nFrameID = (XnUInt32)nValue;
	}
	else if (strcmp(strName, XN_CAPABILITY_MIRROR) == 0)
	{
		m_bMirrorCap = (XnBool)nValue;
	}
	else if (strcmp(strName, XN_CAPABILITY_FRAME_SYNC) == 0)
	{
		m_bFrameSyncCap = (XnBool)nValue;
	}
	else if (strcmp(strName, XN_PROP_MIRROR) == 0)
	{
		nRetVal = SetMirror((XnBool)nValue);
		XN_IS_STATUS_OK(nRetVal);
	}
	//TODO: Check for alternative view point cap, framesync cap	
	else
	{
		return MockProductionNode::SetIntProperty(strName, nValue);
	}

	return XN_STATUS_OK;
}

XnStatus MockGenerator::SetStringProperty(const XnChar* strName, const XnChar* strValue)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	if (strcmp(strName, XN_PROP_FRAME_SYNCED_WITH) == 0)
	{
		nRetVal = SetFrameSyncNode(strValue);
		XN_IS_STATUS_OK(nRetVal);
	}
	else
	{
		nRetVal = MockProductionNode::SetStringProperty(strName, strValue);
		XN_IS_STATUS_OK(nRetVal);
	}
	
	return (XN_STATUS_OK);
}

XnStatus MockGenerator::SetGeneralProperty(const XnChar* strName, XnUInt32 nBufferSize, const void* pBuffer)
{
	XnStatus nRetVal = XN_STATUS_OK;
	if (strcmp(strName, XN_PROP_NEWDATA) == 0)
	{
		nRetVal = SetNextData(pBuffer, nBufferSize);
		XN_IS_STATUS_OK(nRetVal);
	}
	else
	{
		nRetVal = MockProductionNode::SetGeneralProperty(strName, nBufferSize, pBuffer);
		XN_IS_STATUS_OK(nRetVal);
	}
	return XN_STATUS_OK;
}

XnStatus MockGenerator::SetNextData(const void *pData, XnUInt32 nSize)
{
	XnStatus nRetVal = XN_STATUS_OK;

	//Make sure the node is in Generating state so it would be recorded properly
	SetGenerating(TRUE);

	DataInfo& nextData = m_data[m_nNextDataIdx];

	if (!m_bAggregateData)
	{
		nextData.nDataSize = 0;
	}

	nRetVal = ResizeBuffer(m_nNextDataIdx, nextData.nDataSize + nSize);
	XN_IS_STATUS_OK(nRetVal);

	xnOSMemCopy((XnUChar*)nextData.pData + nextData.nDataSize, pData, nSize);
	nextData.nDataSize += nSize;

	nRetVal = SetNewDataAvailable();
	XN_IS_STATUS_OK(nRetVal);

	return XN_STATUS_OK;
}

XnStatus MockGenerator::SetNewDataAvailable()
{
	m_bNewDataAvailable = TRUE;
	return m_newDataAvailableEvent.Raise();
}

XnStatus MockGenerator::StartGenerating()
{
	SetGenerating(TRUE);
	return XN_STATUS_OK;
}

XnBool MockGenerator::IsGenerating()
{
	return m_bGenerating;
}

void MockGenerator::StopGenerating()
{
	SetGenerating(FALSE);
}

XnStatus MockGenerator::RegisterToGenerationRunningChange(XnModuleStateChangedHandler handler, void* pCookie, XnCallbackHandle& hCallback)
{
	return m_generatingChangedEvent.Register(handler, pCookie, hCallback);
}

void MockGenerator::UnregisterFromGenerationRunningChange(XnCallbackHandle hCallback)
{
	m_generatingChangedEvent.Unregister(hCallback);
}

XnStatus MockGenerator::RegisterToNewDataAvailable(XnModuleStateChangedHandler handler, void* pCookie, XnCallbackHandle& hCallback)
{
	return m_newDataAvailableEvent.Register(handler, pCookie, hCallback);
}

void MockGenerator::UnregisterFromNewDataAvailable(XnCallbackHandle hCallback)
{
	m_newDataAvailableEvent.Unregister(hCallback);
}

XnBool MockGenerator::IsNewDataAvailable(XnUInt64& nTimestamp)
{
	if (m_bNewDataAvailable)
	{
		// the timestamp is used for frame sync algorithm. If frameID is zero, this means
		// there is no actual frame, so we don't want the timestamp to be checked for sync.
		// instead, return an "invalid" timestamp. This is allowed, as FrameID 0 is a non-valid
		// frame.
		if (m_data[m_nNextDataIdx].nFrameID == 0)
		{
			nTimestamp = XN_MAX_UINT64;
		}
		else
		{
			nTimestamp = m_data[m_nNextDataIdx].nTimeStamp;
		}
	}

	return m_bNewDataAvailable;
}

XnStatus MockGenerator::UpdateData()
{
	if (m_bNewDataAvailable)
	{
		//Rotate current data and next data
		m_nCurrentDataIdx = 1 - m_nCurrentDataIdx;
		m_nNextDataIdx = 1 - m_nNextDataIdx;
		m_data[m_nNextDataIdx].nDataSize = 0;
		m_bNewDataAvailable = FALSE;
	}
	return XN_STATUS_OK;
}

const void* MockGenerator::GetData()
{
	return m_data[m_nCurrentDataIdx].pData;
}

XnUInt32 MockGenerator::GetDataSize()
{
	return m_data[m_nCurrentDataIdx].nDataSize;
}

XnUInt64 MockGenerator::GetTimestamp()
{
	return m_data[m_nCurrentDataIdx].nTimeStamp;
}

XnUInt32 MockGenerator::GetFrameID()
{
	return m_data[m_nCurrentDataIdx].nFrameID;
}

xn::ModuleMirrorInterface* MockGenerator::GetMirrorInterface()
{
	// the interface always exists, even if capability is not supported (support may change later on)
	return this;
}

xn::ModuleAlternativeViewPointInterface* MockGenerator::GetAlternativeViewPointInterface()
{
	//TODO: Support AlternativeViewPointInterface
	return NULL;
}

xn::ModuleFrameSyncInterface* MockGenerator::GetFrameSyncInterface()
{
	// the interface always exists, even if capability is not supported (support may change later on)
	return this;
}

XnStatus MockGenerator::SetMirror(XnBool bMirror)
{
	XnStatus nRetVal = XN_STATUS_OK;
	if (!m_bMirrorCap)
	{
		return XN_STATUS_NOT_IMPLEMENTED;
	}

	if (bMirror != m_bMirror)
	{
		m_bMirror = bMirror;
		nRetVal = m_mirrorChangeEvent.Raise();
		XN_IS_STATUS_OK(nRetVal);
	}
	return XN_STATUS_OK;
}

XnBool MockGenerator::IsMirrored()
{
	return m_bMirror;
}

XnStatus MockGenerator::RegisterToMirrorChange(XnModuleStateChangedHandler handler, void* pCookie, XnCallbackHandle& hCallback)
{
	if (!m_bMirrorCap)
	{
		return XN_STATUS_NOT_IMPLEMENTED;
	}

	return m_mirrorChangeEvent.Register(handler, pCookie, hCallback);
}

void MockGenerator::UnregisterFromMirrorChange(XnCallbackHandle hCallback)
{
	if (m_bMirrorCap)
	{
		m_mirrorChangeEvent.Unregister(hCallback);
	}
}

void MockGenerator::SetGenerating(XnBool bGenerating)
{
	if (bGenerating != m_bGenerating)
	{
		m_bGenerating = bGenerating;
		m_generatingChangedEvent.Raise();
	}
}

XnStatus MockGenerator::OnStateReady()
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	nRetVal = MockProductionNode::OnStateReady();
	XN_IS_STATUS_OK(nRetVal);
	
	// allocate current buffer (so the app won't get a NULL pointer)
	XnUInt32 nNeededSize = GetRequiredBufferSize();

	nRetVal = ResizeBuffer(m_nCurrentDataIdx, nNeededSize);
	XN_IS_STATUS_OK(nRetVal);

	xnOSMemSet(m_data[m_nCurrentDataIdx].pData, 0, nNeededSize);

	return (XN_STATUS_OK);
}

XnUInt32 MockGenerator::GetRequiredBufferSize()
{
	return 0;
}

XnStatus MockGenerator::ResizeBuffer(XnUInt32 nIndex, XnUInt32 nNeededSize)
{
	DataInfo& dataInfo = m_data[nIndex];
	if (nNeededSize > dataInfo.nAllocatedSize)
	{
		xnOSFreeAligned(dataInfo.pData);
		dataInfo.pData = xnOSMallocAligned(nNeededSize, XN_DEFAULT_MEM_ALIGN);
		XN_VALIDATE_ALLOC_PTR(dataInfo.pData);
		dataInfo.nAllocatedSize = nNeededSize;
	}
	
	return (XN_STATUS_OK);
}

XnBool MockGenerator::CanFrameSyncWith(xn::ProductionNode& other)
{
	if (!m_bFrameSyncCap)
	{
		return FALSE;
	}

	if (!other.IsValid())
	{
		return XN_STATUS_BAD_PARAM;
	}

	return (strcmp(other.GetName(), m_strFrameSyncWith) == 0);
}

XnStatus MockGenerator::FrameSyncWith(xn::ProductionNode& other)
{
	XnStatus nRetVal = XN_STATUS_OK;

	if (!other.IsValid())
	{
		return XN_STATUS_BAD_PARAM;
	}

	nRetVal = SetFrameSyncNode(other.GetName());
	XN_IS_STATUS_OK(nRetVal);
	
	return (XN_STATUS_OK);
}

XnStatus MockGenerator::StopFrameSyncWith(xn::ProductionNode& other)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	if (!other.IsValid())
	{
		return XN_STATUS_BAD_PARAM;
	}

	if (strcmp(other.GetName(), m_strFrameSyncWith) != 0)
	{
		// not synced right now with this node
		return XN_STATUS_BAD_PARAM;
	}

	nRetVal = SetFrameSyncNode("");
	XN_IS_STATUS_OK(nRetVal);

	return (XN_STATUS_OK);	
}

XnBool MockGenerator::IsFrameSyncedWith(xn::ProductionNode& other)
{
	return other.IsValid() && (strcmp(other.GetName(), m_strFrameSyncWith) == 0);
}

XnStatus MockGenerator::RegisterToFrameSyncChange(XnModuleStateChangedHandler handler, void* pCookie, XnCallbackHandle& hCallback)
{
	return m_frameSyncChangeEvent.Register(handler, pCookie, hCallback);
}

void MockGenerator::UnregisterFromFrameSyncChange(XnCallbackHandle hCallback)
{
	m_frameSyncChangeEvent.Unregister(hCallback);
}

XnStatus MockGenerator::SetFrameSyncNode(const XnChar* strOther)
{
	XnStatus nRetVal = XN_STATUS_OK;

	if (!m_bFrameSyncCap)
	{
		return XN_STATUS_INVALID_OPERATION;
	}

	// if we haven't registered yet to the events, do it now (we need to know the lifetime of this other node)
	if (m_hNodeCreationCallback == NULL)
	{
		nRetVal = m_context.RegisterToNodeCreation(OnNodeCreationCallback, this, m_hNodeCreationCallback);
		XN_IS_STATUS_OK(nRetVal);
	}

	if (m_hNodeDestructionCallback == NULL)
	{
		nRetVal = m_context.RegisterToNodeDestruction(OnNodeDestructionCallback, this, m_hNodeDestructionCallback);
		XN_IS_STATUS_OK(nRetVal);
	}

	if (strcmp(strOther, m_strFrameSyncWith) != 0)
	{
		nRetVal = xnOSStrCopy(m_strFrameSyncWith, strOther, sizeof(m_strFrameSyncWith));
		XN_IS_STATUS_OK(nRetVal);

		if (strOther[0] != '\0')
		{
			// check if node already exists
			xn::ProductionNode other;
			nRetVal = m_context.GetProductionNodeByName(strOther, other);
			m_bFrameSyncWithExists = (nRetVal == XN_STATUS_OK);
		}

		nRetVal = m_frameSyncChangeEvent.Raise();
		XN_IS_STATUS_OK(nRetVal);
	}

	return (XN_STATUS_OK);
}

void MockGenerator::OnNodeCreation(xn::ProductionNode& createdNode)
{
	if (strcmp(createdNode.GetName(), m_strFrameSyncWith) == 0)
	{
		m_bFrameSyncWithExists = TRUE;
		m_frameSyncChangeEvent.Raise();
	}
}

void MockGenerator::OnNodeDestruction(const XnChar* strDestroyedNodeName)
{
	if (strcmp(strDestroyedNodeName, m_strFrameSyncWith) == 0)
	{
		m_bFrameSyncWithExists = FALSE;
		m_frameSyncChangeEvent.Raise();
	}
}

void XN_CALLBACK_TYPE MockGenerator::OnNodeCreationCallback(xn::Context& /*context*/, xn::ProductionNode& createdNode, void* pCookie)
{
	MockGenerator* pThis = (MockGenerator*)pCookie;
	pThis->OnNodeCreation(createdNode);
}

void XN_CALLBACK_TYPE MockGenerator::OnNodeDestructionCallback(xn::Context& /*context*/, const XnChar* strDestroyedNodeName, void* pCookie)
{
	MockGenerator* pThis = (MockGenerator*)pCookie;
	pThis->OnNodeDestruction(strDestroyedNodeName);
}