Context navigation

source: 3DVCSoftware/branches/HTM-9.2-dev0/source/App/TAppRenderer/TAppRendererTop.cpp @ 1417

Visit:

Last change on this file since 1417 was 608, checked in by tech, 11 years ago
Merged DEV-2.0-dev0@604.
Property svn:eol-style set to `native`
File size: 35.1 KB

Line
1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2011, ISO/IEC
7	* All rights reserved.
8	*
9	* Redistribution and use in source and binary forms, with or without
10	* modification, are permitted provided that the following conditions are met:
11	*
12	* * Redistributions of source code must retain the above copyright notice,
13	* this list of conditions and the following disclaimer.
14	* * Redistributions in binary form must reproduce the above copyright notice,
15	* this list of conditions and the following disclaimer in the documentation
16	* and/or other materials provided with the distribution.
17	* * Neither the name of the ISO/IEC nor the names of its contributors may
18	* be used to endorse or promote products derived from this software without
19	* specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31	* THE POSSIBILITY OF SUCH DAMAGE.
32	*/
33
34
35	#include <list>
36	#include <stdio.h>
37	#include <fcntl.h>
38	#include <assert.h>
39	#include <math.h>
40
41	#include "TAppRendererTop.h"
42
43	#if H_3D
44
45	// ====================================================================================================================
46	// Constructor / destructor / initialization / destroy
47	// ====================================================================================================================
48
49	TAppRendererTop::TAppRendererTop()
50	{
51
52	}
53
54	TAppRendererTop::~TAppRendererTop()
55	{
56
57	}
58
59
60	Void TAppRendererTop::xCreateLib()
61	{
62	m_pcRenTop = new TRenTop();
63
64	for(Int iViewIdx=0; iViewIdx<m_iNumberOfInputViews; iViewIdx++)
65	{
66	TVideoIOYuv* pcVideoInput = new TVideoIOYuv;
67	TVideoIOYuv* pcDepthInput = new TVideoIOYuv;
68
69	pcVideoInput->open( m_pchVideoInputFileList[iViewIdx], false, m_inputBitDepthY, m_inputBitDepthC, m_internalBitDepthY, m_internalBitDepthC); // read mode
70	pcDepthInput->open( m_pchDepthInputFileList[iViewIdx], false, m_inputBitDepthY, m_inputBitDepthC, m_internalBitDepthY, m_internalBitDepthC ); // read mode
71	pcVideoInput->skipFrames(m_iFrameSkip, m_iSourceWidth, m_iSourceHeight );
72	pcDepthInput->skipFrames(m_iFrameSkip, m_iSourceWidth, m_iSourceHeight );
73
74	m_apcTVideoIOYuvVideoInput.push_back( pcVideoInput );
75	m_apcTVideoIOYuvDepthInput.push_back( pcDepthInput );
76	}
77
78	for(Int iViewIdx=0; iViewIdx<m_iNumberOfOutputViews; iViewIdx++)
79	{
80	TVideoIOYuv* pcSynthOutput = new TVideoIOYuv;
81	pcSynthOutput->open( m_pchSynthOutputFileList[iViewIdx], true, m_outputBitDepthY, m_outputBitDepthC, m_internalBitDepthY, m_internalBitDepthC ); // write mode
82	m_apcTVideoIOYuvSynthOutput.push_back( pcSynthOutput );
83	}
84	}
85
86
87	Void TAppRendererTop::xDestroyLib()
88	{
89	delete m_pcRenTop;
90
91	for ( Int iViewIdx = 0; iViewIdx < m_iNumberOfInputViews; iViewIdx++ )
92	{
93	m_apcTVideoIOYuvVideoInput[iViewIdx]->close();
94	m_apcTVideoIOYuvDepthInput[iViewIdx]->close();
95
96	delete m_apcTVideoIOYuvDepthInput[iViewIdx];
97	delete m_apcTVideoIOYuvVideoInput[iViewIdx];
98	};
99
100	for ( Int iViewIdx = 0; iViewIdx < m_iNumberOfOutputViews; iViewIdx++ )
101	{
102	m_apcTVideoIOYuvSynthOutput[iViewIdx]->close();
103	delete m_apcTVideoIOYuvSynthOutput[iViewIdx];
104	};
105	}
106
107	Void TAppRendererTop::xInitLib()
108	{
109	m_pcRenTop->init(
110	m_iSourceWidth,
111	m_iSourceHeight,
112	(m_iRenderDirection != 0),
113	m_iLog2SamplingFactor,
114	m_iLog2SamplingFactor+m_iShiftPrecision,
115	m_bUVUp,
116	m_iPreProcMode,
117	m_iPreFilterSize,
118	m_iBlendMode,
119	m_iBlendZThresPerc,
120	m_bBlendUseDistWeight,
121	m_iBlendHoleMargin,
122	m_iInterpolationMode,
123	m_iHoleFillingMode,
124	m_iPostProcMode,
125	m_iUsedPelMapMarExt
126	);
127	}
128
129	// ====================================================================================================================
130	// Public member functions
131	// ====================================================================================================================
132
133
134
135	Void TAppRendererTop::render()
136	{
137	xCreateLib();
138	xInitLib();
139
140	// Create Buffers Input Views;
141	std::vector<TComPicYuv*> apcPicYuvBaseVideo;
142	std::vector<TComPicYuv*> apcPicYuvBaseDepth;
143
144	// TemporalImprovement Filter
145	std::vector<TComPicYuv*> apcPicYuvLastBaseVideo;
146	std::vector<TComPicYuv*> apcPicYuvLastBaseDepth;
147
148	Int aiPad[2] = { 0, 0 };
149
150	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
151	{
152	TComPicYuv* pcNewVideoPic = new TComPicYuv;
153	TComPicYuv* pcNewDepthPic = new TComPicYuv;
154
155	pcNewVideoPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
156	apcPicYuvBaseVideo.push_back(pcNewVideoPic);
157
158	pcNewDepthPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
159	apcPicYuvBaseDepth.push_back(pcNewDepthPic);
160
161	//Temporal improvement Filter
162	if ( m_bTempDepthFilter )
163	{
164	pcNewVideoPic = new TComPicYuv;
165	pcNewDepthPic = new TComPicYuv;
166
167	pcNewVideoPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
168	apcPicYuvLastBaseVideo.push_back(pcNewVideoPic);
169
170	pcNewDepthPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
171	apcPicYuvLastBaseDepth.push_back(pcNewDepthPic);
172	}
173	}
174
175	// Create Buffer for synthesized View
176	TComPicYuv* pcPicYuvSynthOut = new TComPicYuv;
177	pcPicYuvSynthOut->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
178
179	Bool bAnyEOS = false;
180
181	Int iNumOfRenderedFrames = 0;
182	Int iFrame = 0;
183
184	while ( ( ( iNumOfRenderedFrames < m_iFramesToBeRendered ) \|\| ( m_iFramesToBeRendered == 0 ) ) && !bAnyEOS )
185	{
186	if ( iFrame >= m_iFrameSkip )
187	{
188	// read in depth and video
189	for(Int iBaseViewIdx=0; iBaseViewIdx < m_iNumberOfInputViews; iBaseViewIdx++ )
190	{
191	m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->read( apcPicYuvBaseVideo[iBaseViewIdx], aiPad ) ;
192
193	apcPicYuvBaseVideo[iBaseViewIdx]->extendPicBorder();
194
195	bAnyEOS \|= m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->isEof();
196
197	m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->read( apcPicYuvBaseDepth[iBaseViewIdx], aiPad ) ;
198	apcPicYuvBaseDepth[iBaseViewIdx]->extendPicBorder();
199	bAnyEOS \|= m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->isEof();
200
201	if ( m_bTempDepthFilter && (iFrame >= m_iFrameSkip) )
202	{
203	m_pcRenTop->temporalFilterVSRS( apcPicYuvBaseVideo[iBaseViewIdx], apcPicYuvBaseDepth[iBaseViewIdx], apcPicYuvLastBaseVideo[iBaseViewIdx], apcPicYuvLastBaseDepth[iBaseViewIdx], ( iFrame == m_iFrameSkip) );
204	}
205	}
206	}
207	else
208	{
209	std::cout << "Skipping Frame " << iFrame << std::endl;
210
211	iFrame++;
212	continue;
213	}
214
215	m_cCameraData.update( (UInt)iFrame - m_iFrameSkip );
216
217	for(Int iSynthViewIdx=0; iSynthViewIdx < m_iNumberOfOutputViews; iSynthViewIdx++ )
218	{
219	Int iLeftBaseViewIdx = -1;
220	Int iRightBaseViewIdx = -1;
221
222	Bool bIsBaseView = false;
223
224	Int iRelDistToLeft;
225	Bool bHasLRView = m_cCameraData.getLeftRightBaseView( iSynthViewIdx, iLeftBaseViewIdx, iRightBaseViewIdx, iRelDistToLeft, bIsBaseView );
226	Bool bHasLView = ( iLeftBaseViewIdx != -1 );
227	Bool bHasRView = ( iRightBaseViewIdx != -1 );
228	Bool bRender = true;
229
230	Int iBlendMode = m_iBlendMode;
231	Int iSimEnhBaseView = 0;
232
233	switch( m_iRenderDirection )
234	{
235	/// INTERPOLATION
236	case 0:
237	AOF( bHasLRView \|\| bIsBaseView );
238
239	if ( !bHasLRView && bIsBaseView && m_iBlendMode == 0 )
240	{
241	bRender = false;
242	}
243	else
244	{
245	if ( bIsBaseView )
246	{
247	AOF( iLeftBaseViewIdx == iRightBaseViewIdx );
248	Int iSortedBaseViewIdx = m_cCameraData.getBaseId2SortedId() [iLeftBaseViewIdx];
249
250	if ( m_iBlendMode == 1 )
251	{
252	if ( iSortedBaseViewIdx - 1 >= 0 )
253	{
254	iLeftBaseViewIdx = m_cCameraData.getBaseSortedId2Id()[ iSortedBaseViewIdx - 1];
255	bRender = true;
256	}
257	else
258	{
259	bRender = false;
260	}
261	}
262	else if ( m_iBlendMode == 2 )
263	{
264	if ( iSortedBaseViewIdx + 1 < m_iNumberOfInputViews )
265	{
266	iRightBaseViewIdx = m_cCameraData.getBaseSortedId2Id()[ iSortedBaseViewIdx + 1];
267	bRender = true;
268	}
269	else
270	{
271	bRender = false;
272	}
273	}
274	}
275
276	if ( m_iBlendMode == 3 )
277	{
278	if ( bIsBaseView && (iLeftBaseViewIdx == 0) )
279	{
280	bRender = false;
281	}
282	else
283	{
284	Int iDistLeft = abs( m_cCameraData.getBaseId2SortedId()[0] - m_cCameraData.getBaseId2SortedId() [iLeftBaseViewIdx ] );
285	Int iDistRight = abs( m_cCameraData.getBaseId2SortedId()[0] - m_cCameraData.getBaseId2SortedId() [iRightBaseViewIdx] );
286
287	Int iFillViewIdx = iDistLeft > iDistRight ? iLeftBaseViewIdx : iRightBaseViewIdx;
288
289	if( m_cCameraData.getBaseId2SortedId()[0] < m_cCameraData.getBaseId2SortedId() [iFillViewIdx] )
290	{
291	iBlendMode = 1;
292	iLeftBaseViewIdx = 0;
293	iRightBaseViewIdx = iFillViewIdx;
294	}
295	else
296	{
297	iBlendMode = 2;
298	iLeftBaseViewIdx = iFillViewIdx;
299	iRightBaseViewIdx = 0;
300	}
301
302	}
303	}
304	else
305	{
306	iBlendMode = m_iBlendMode;
307	}
308	}
309
310	if ( m_bSimEnhance )
311	{
312	if ( m_iNumberOfInputViews == 3 && m_cCameraData.getRelSynthViewNumbers()[ iSynthViewIdx ] < VIEW_NUM_PREC )
313	{
314	iSimEnhBaseView = 2; // Take middle view
315	}
316	else
317	{
318	iSimEnhBaseView = 1; // Take left view
319	}
320	}
321
322	if ( bRender )
323	{
324	std::cout << "Rendering Frame " << iFrame
325	<< " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx ] / VIEW_NUM_PREC
326	<< " Left BaseView: " << (Double) m_cCameraData.getBaseViewNumbers() [iLeftBaseViewIdx ] / VIEW_NUM_PREC
327	<< " Right BaseView: " << (Double) m_cCameraData.getBaseViewNumbers() [iRightBaseViewIdx] / VIEW_NUM_PREC
328	<< " BlendMode: " << iBlendMode
329	<< std::endl;
330
331	m_pcRenTop->setShiftLUTs(
332	m_cCameraData.getSynthViewShiftLUTD()[iLeftBaseViewIdx ][iSynthViewIdx],
333	m_cCameraData.getSynthViewShiftLUTI()[iLeftBaseViewIdx ][iSynthViewIdx],
334	m_cCameraData.getBaseViewShiftLUTI ()[iLeftBaseViewIdx ][iRightBaseViewIdx],
335	m_cCameraData.getSynthViewShiftLUTD()[iRightBaseViewIdx][iSynthViewIdx],
336	m_cCameraData.getSynthViewShiftLUTI()[iRightBaseViewIdx][iSynthViewIdx],
337	m_cCameraData.getBaseViewShiftLUTI ()[iRightBaseViewIdx][iLeftBaseViewIdx ],
338
339	iRelDistToLeft
340	);
341
342	m_pcRenTop->interpolateView(
343	apcPicYuvBaseVideo[iLeftBaseViewIdx ],
344	apcPicYuvBaseDepth[iLeftBaseViewIdx ],
345	apcPicYuvBaseVideo[iRightBaseViewIdx],
346	apcPicYuvBaseDepth[iRightBaseViewIdx],
347	pcPicYuvSynthOut,
348	iBlendMode,
349	iSimEnhBaseView
350	);
351	}
352	else
353	{
354	AOT(iLeftBaseViewIdx != iRightBaseViewIdx );
355	apcPicYuvBaseVideo[iLeftBaseViewIdx]->copyToPic( pcPicYuvSynthOut );
356	std::cout << "Copied Frame " << iFrame
357	<< " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC
358	<< " (BaseView) " << std::endl;
359	}
360
361	break;
362	/// EXTRAPOLATION FROM LEFT
363	case 1:
364	if ( !bHasLView ) // View to render is BaseView
365	{
366	bRender = false;
367	}
368
369	if ( bIsBaseView )
370	{
371	AOF( iLeftBaseViewIdx == iRightBaseViewIdx );
372	Int iSortedBaseViewIdx = m_cCameraData.getBaseId2SortedId() [iLeftBaseViewIdx];
373	if ( iSortedBaseViewIdx - 1 >= 0 )
374	{
375	iLeftBaseViewIdx = m_cCameraData.getBaseSortedId2Id()[ iSortedBaseViewIdx - 1];
376	}
377	else
378	{
379	std::cout << "Copied Frame " << iFrame << " of BaseView " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
380	apcPicYuvBaseVideo[iLeftBaseViewIdx]->copyToPic( pcPicYuvSynthOut ); // Copy Original
381	bRender = false;
382	}
383	}
384
385
386	if (bRender)
387	{
388	std::cout << "Rendering Frame " << iFrame << " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
389	m_pcRenTop->setShiftLUTs( m_cCameraData.getSynthViewShiftLUTD()[iLeftBaseViewIdx ][iSynthViewIdx],
390	m_cCameraData.getSynthViewShiftLUTI()[iLeftBaseViewIdx ][iSynthViewIdx], NULL, NULL, NULL, NULL, -1 );
391	m_pcRenTop->extrapolateView( apcPicYuvBaseVideo[iLeftBaseViewIdx ], apcPicYuvBaseDepth[iLeftBaseViewIdx ], pcPicYuvSynthOut, true );
392	}
393	break;
394	/// EXTRAPOLATION FROM RIGHT
395	case 2: // extrapolation from right
396	if ( !bHasRView ) // View to render is BaseView
397	{
398	bRender = false;
399	}
400
401	if ( bIsBaseView )
402	{
403
404	AOF( iLeftBaseViewIdx == iRightBaseViewIdx );
405	Int iSortedBaseViewIdx = m_cCameraData.getBaseId2SortedId() [iLeftBaseViewIdx];
406	if ( iSortedBaseViewIdx + 1 < m_iNumberOfInputViews )
407	{
408	iRightBaseViewIdx = m_cCameraData.getBaseSortedId2Id()[ iSortedBaseViewIdx + 1];
409	}
410	else
411	{
412	std::cout << "Copied Frame " << iFrame << " of BaseView " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
413	apcPicYuvBaseVideo[iLeftBaseViewIdx]->copyToPic( pcPicYuvSynthOut ); // Copy Original
414	bRender = false;
415	}
416	}
417
418	if ( bRender )
419	{
420	std::cout << "Rendering Frame " << iFrame << " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
421	m_pcRenTop->setShiftLUTs( NULL, NULL,NULL, m_cCameraData.getSynthViewShiftLUTD()[iRightBaseViewIdx ][iSynthViewIdx],
422	m_cCameraData.getSynthViewShiftLUTI()[iRightBaseViewIdx ][iSynthViewIdx],NULL, iRelDistToLeft);
423	m_pcRenTop->extrapolateView( apcPicYuvBaseVideo[iRightBaseViewIdx ], apcPicYuvBaseDepth[iRightBaseViewIdx ], pcPicYuvSynthOut, false);
424	}
425	break;
426	}
427
428	// Write Output
429
430	m_apcTVideoIOYuvSynthOutput[m_bSweep ? 0 : iSynthViewIdx]->write( pcPicYuvSynthOut, 0, 0, 0, 0 );
431	}
432	iFrame++;
433	iNumOfRenderedFrames++;
434	}
435
436	// Delete Buffers
437	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
438	{
439	apcPicYuvBaseVideo[uiBaseView]->destroy();
440	delete apcPicYuvBaseVideo[uiBaseView];
441
442	apcPicYuvBaseDepth[uiBaseView]->destroy();
443	delete apcPicYuvBaseDepth[uiBaseView];
444
445	// Temporal Filter
446	if ( m_bTempDepthFilter )
447	{
448	apcPicYuvLastBaseVideo[uiBaseView]->destroy();
449	delete apcPicYuvLastBaseVideo[uiBaseView];
450
451	apcPicYuvLastBaseDepth[uiBaseView]->destroy();
452	delete apcPicYuvLastBaseDepth[uiBaseView];
453	}
454	}
455
456	pcPicYuvSynthOut->destroy();
457	delete pcPicYuvSynthOut;
458
459	xDestroyLib();
460
461	}
462
463	Void TAppRendererTop::go()
464	{
465	switch ( m_iRenderMode )
466	{
467	case 0:
468	render();
469	break;
470	#if H_3D_VSO
471	case 1:
472	renderModel();
473	break;
474	#endif
475	case 10:
476	renderUsedPelsMap( );
477	break;
478	default:
479	AOT(true);
480	}
481
482	#if H_3D_REN_MAX_DEV_OUT
483	Double dMaxDispDiff = m_cCameraData.getMaxShiftDeviation();
484
485	if ( !(dMaxDispDiff < 0) )
486	{
487	printf("\n Max. possible shift error: %12.3f samples.\n", dMaxDispDiff );
488	}
489	#endif
490	}
491
492	#if H_3D_VSO
493	Void TAppRendererTop::renderModel()
494	{
495	if ( m_bUseSetupString )
496	{
497	xRenderModelFromString();
498	}
499	else
500	{
501	xRenderModelFromNums();
502	}
503	}
504
505
506
507	Void TAppRendererTop::xRenderModelFromString()
508	{
509	xCreateLib();
510	xInitLib();
511
512	// Create Buffers Input Views;
513	std::vector<TComPicYuv*> apcPicYuvBaseVideo;
514	std::vector<TComPicYuv*> apcPicYuvBaseDepth;
515
516
517	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
518	{
519	TComPicYuv* pcNewVideoPic = new TComPicYuv;
520	TComPicYuv* pcNewDepthPic = new TComPicYuv;
521
522	pcNewVideoPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
523	apcPicYuvBaseVideo.push_back(pcNewVideoPic);
524
525	pcNewDepthPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
526	apcPicYuvBaseDepth.push_back(pcNewDepthPic);
527	}
528
529	Int aiPad[2] = { 0, 0 };
530
531	// Init Model
532	TRenModel cCurModel;
533
534	AOT( m_iLog2SamplingFactor != 0 );
535	#if H_3D_VSO_EARLY_SKIP
536	cCurModel.create( m_cRenModStrParser.getNumOfBaseViews(), m_cRenModStrParser.getNumOfModels(), m_iSourceWidth, m_iSourceHeight, m_iShiftPrecision, m_iBlendHoleMargin, false );
537	#else
538	cCurModel.create( m_cRenModStrParser.getNumOfBaseViews(), m_cRenModStrParser.getNumOfModels(), m_iSourceWidth, m_iSourceHeight, m_iShiftPrecision, m_iBlendHoleMargin );
539	#endif
540
541	cCurModel.setupPart( 0, m_iSourceHeight );
542
543	for ( Int iViewIdx = 0; iViewIdx < m_iNumberOfInputViews; iViewIdx++ )
544	{
545	Int iNumOfModels = m_cRenModStrParser.getNumOfModelsForView(iViewIdx, 1);
546
547	for (Int iCurModel = 0; iCurModel < iNumOfModels; iCurModel++ )
548	{
549	Int iModelNum; Int iLeftViewNum; Int iRightViewNum; Int iDump; Int iOrgRefNum; Int iBlendMode;
550	m_cRenModStrParser.getSingleModelData ( iViewIdx, 1, iCurModel, iModelNum, iBlendMode, iLeftViewNum, iRightViewNum, iOrgRefNum, iDump ) ;
551	cCurModel .createSingleModel ( iViewIdx, 1, iModelNum, iLeftViewNum, iRightViewNum, false, iBlendMode );
552
553	}
554	}
555
556	// Create Buffer for synthesized View
557	TComPicYuv* pcPicYuvSynthOut = new TComPicYuv;
558	pcPicYuvSynthOut->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
559
560	Bool bAnyEOS = false;
561
562	Int iNumOfRenderedFrames = 0;
563	Int iFrame = 0;
564
565	while ( ( ( iNumOfRenderedFrames < m_iFramesToBeRendered ) \|\| ( m_iFramesToBeRendered == 0 ) ) && !bAnyEOS )
566	{
567
568	if ( iFrame >= m_iFrameSkip )
569	{
570	// read in depth and video
571	for(Int iBaseViewIdx=0; iBaseViewIdx < m_iNumberOfInputViews; iBaseViewIdx++ )
572	{
573	m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->read( apcPicYuvBaseVideo[iBaseViewIdx], aiPad ) ;
574	bAnyEOS \|= m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->isEof();
575
576	m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->read( apcPicYuvBaseDepth[iBaseViewIdx], aiPad ) ;
577	bAnyEOS \|= m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->isEof();
578	}
579	}
580	else
581	{
582	iFrame++;
583	continue;
584	}
585
586
587	for(Int iBaseViewIdx=0; iBaseViewIdx < m_iNumberOfInputViews; iBaseViewIdx++ )
588	{
589	TComPicYuv* pcPicYuvVideo = apcPicYuvBaseVideo[iBaseViewIdx];
590	TComPicYuv* pcPicYuvDepth = apcPicYuvBaseDepth[iBaseViewIdx];
591	Int iBaseViewSIdx = m_cCameraData.getBaseId2SortedId()[iBaseViewIdx ];
592	cCurModel.setBaseView( iBaseViewSIdx, pcPicYuvVideo, pcPicYuvDepth, NULL, NULL );
593	}
594
595	m_cCameraData.update( (UInt) ( iFrame - m_iFrameSkip ));
596
597	for(Int iBaseViewIdx=0; iBaseViewIdx < m_iNumberOfInputViews; iBaseViewIdx++ )
598	{
599	// setup virtual views
600	Int iBaseViewSIdx = m_cCameraData.getBaseId2SortedId()[iBaseViewIdx];
601
602	cCurModel.setErrorMode( iBaseViewSIdx, 1, 0 );
603	Int iNumOfSV = m_cRenModStrParser.getNumOfModelsForView( iBaseViewSIdx, 1);
604	for (Int iCurView = 0; iCurView < iNumOfSV; iCurView++ )
605	{
606	Int iOrgRefBaseViewSIdx;
607	Int iLeftBaseViewSIdx;
608	Int iRightBaseViewSIdx;
609	Int iSynthViewRelNum;
610	Int iModelNum;
611	Int iBlendMode;
612
613	m_cRenModStrParser.getSingleModelData(iBaseViewSIdx, 1, iCurView, iModelNum, iBlendMode, iLeftBaseViewSIdx, iRightBaseViewSIdx, iOrgRefBaseViewSIdx, iSynthViewRelNum );
614
615	Int iLeftBaseViewIdx = -1;
616	Int iRightBaseViewIdx = -1;
617
618	TComPicYuv* pcPicYuvOrgRef = NULL;
619	Int** ppiShiftLUTLeft = NULL;
620	Int** ppiShiftLUTRight = NULL;
621	Int** ppiBaseShiftLUTLeft = NULL;
622	Int** ppiBaseShiftLUTRight = NULL;
623
624
625	Int iDistToLeft = -1;
626
627	Int iSynthViewIdx = m_cCameraData.synthRelNum2Idx( iSynthViewRelNum );
628
629	if ( iLeftBaseViewSIdx != -1 )
630	{
631	iLeftBaseViewIdx = m_cCameraData.getBaseSortedId2Id() [ iLeftBaseViewSIdx ];
632	ppiShiftLUTLeft = m_cCameraData.getSynthViewShiftLUTI()[ iLeftBaseViewIdx ][ iSynthViewIdx ];
633	}
634
635	if ( iRightBaseViewSIdx != -1 )
636	{
637	iRightBaseViewIdx = m_cCameraData.getBaseSortedId2Id() [iRightBaseViewSIdx ];
638	ppiShiftLUTRight = m_cCameraData.getSynthViewShiftLUTI()[ iRightBaseViewIdx ][ iSynthViewIdx ];
639	}
640
641	if ( iRightBaseViewSIdx != -1 && iLeftBaseViewSIdx != -1 )
642	{
643
644	ppiBaseShiftLUTLeft = m_cCameraData.getBaseViewShiftLUTI() [ iLeftBaseViewIdx ][ iRightBaseViewIdx ];
645	ppiBaseShiftLUTRight = m_cCameraData.getBaseViewShiftLUTI() [ iRightBaseViewIdx ][ iLeftBaseViewIdx ];
646	iDistToLeft = m_cCameraData.getRelDistLeft( iSynthViewIdx , iLeftBaseViewIdx, iRightBaseViewIdx);
647	}
648
649	std::cout << "Rendering Frame " << iFrame << " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
650
651	cCurModel.setSingleModel( iModelNum, ppiShiftLUTLeft, ppiBaseShiftLUTLeft, ppiShiftLUTRight, ppiBaseShiftLUTRight, iDistToLeft, pcPicYuvOrgRef );
652
653	Int iViewPos;
654	if (iLeftBaseViewSIdx != -1 && iRightBaseViewSIdx != -1)
655	{
656	iViewPos = VIEWPOS_MERGED;
657	}
658	else if ( iLeftBaseViewSIdx != -1 )
659	{
660	iViewPos = VIEWPOS_LEFT;
661	}
662	else if ( iRightBaseViewSIdx != -1 )
663	{
664	iViewPos = VIEWPOS_RIGHT;
665	}
666	else
667	{
668	AOT(true);
669	}
670
671	cCurModel.getSynthVideo ( iModelNum, iViewPos, pcPicYuvSynthOut );
672
673	// Write Output
674	m_apcTVideoIOYuvSynthOutput[m_bSweep ? 0 : iModelNum]->write( pcPicYuvSynthOut, 0 ,0 ,0, 0 );
675	}
676	}
677	iFrame++;
678	iNumOfRenderedFrames++;
679	}
680
681	// Delete Buffers
682	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
683	{
684	apcPicYuvBaseVideo[uiBaseView]->destroy();
685	delete apcPicYuvBaseVideo[uiBaseView];
686
687	apcPicYuvBaseDepth[uiBaseView]->destroy();
688	delete apcPicYuvBaseDepth[uiBaseView];
689	}
690	pcPicYuvSynthOut->destroy();
691	delete pcPicYuvSynthOut;
692
693	xDestroyLib();
694	}
695
696
697	Void TAppRendererTop::xRenderModelFromNums()
698	{
699	xCreateLib();
700	xInitLib();
701
702	// Create Buffers Input Views;
703	std::vector<TComPicYuv*> apcPicYuvBaseVideo;
704	std::vector<TComPicYuv*> apcPicYuvBaseDepth;
705
706
707	Int aiPad[2] = { 0, 0 };
708
709	// Init Model
710	TRenModel cCurModel;
711
712	AOT( m_iLog2SamplingFactor != 0 );
713	cCurModel.setupPart( 0, m_iSourceHeight );
714	#if H_3D_VSO_EARLY_SKIP
715	cCurModel.create( m_iNumberOfInputViews, m_iNumberOfOutputViews, m_iSourceWidth, m_iSourceHeight, m_iShiftPrecision, m_iBlendHoleMargin, false );
716	#else
717	cCurModel.create( m_iNumberOfInputViews, m_iNumberOfOutputViews, m_iSourceWidth, m_iSourceHeight, m_iShiftPrecision, m_iBlendHoleMargin );
718	#endif
719
720	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
721	{
722	TComPicYuv* pcNewVideoPic = new TComPicYuv;
723	TComPicYuv* pcNewDepthPic = new TComPicYuv;
724
725	pcNewVideoPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
726	apcPicYuvBaseVideo.push_back(pcNewVideoPic);
727
728	pcNewDepthPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
729	apcPicYuvBaseDepth.push_back(pcNewDepthPic);
730	}
731
732	for(Int iSynthViewIdx=0; iSynthViewIdx < m_iNumberOfOutputViews; iSynthViewIdx++ )
733	{
734	Int iLeftBaseViewIdx = -1;
735	Int iRightBaseViewIdx = -1;
736	Bool bIsBaseView = false;
737
738	Int iRelDistToLeft;
739	m_cCameraData.getLeftRightBaseView( iSynthViewIdx, iLeftBaseViewIdx, iRightBaseViewIdx, iRelDistToLeft, bIsBaseView );
740
741	if (m_iRenderDirection == 1 )
742	{
743	iRightBaseViewIdx = -1;
744	AOT( iLeftBaseViewIdx == -1);
745	}
746
747	if (m_iRenderDirection == 2 )
748	{
749	iLeftBaseViewIdx = -1;
750	AOT( iRightBaseViewIdx == -1);
751	}
752
753	Int iLeftBaseViewSIdx = -1;
754	Int iRightBaseViewSIdx = -1;
755
756	if (iLeftBaseViewIdx != -1 )
757	{
758	iLeftBaseViewSIdx = m_cCameraData.getBaseId2SortedId()[iLeftBaseViewIdx];
759	}
760
761	if (iRightBaseViewIdx != -1 )
762	{
763	iRightBaseViewSIdx = m_cCameraData.getBaseId2SortedId()[iRightBaseViewIdx];
764	}
765	cCurModel.createSingleModel(-1, -1, iSynthViewIdx, iLeftBaseViewSIdx, iRightBaseViewSIdx, false, m_iBlendMode );
766	}
767
768	// Create Buffer for synthesized View
769	TComPicYuv* pcPicYuvSynthOut = new TComPicYuv;
770	pcPicYuvSynthOut->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
771
772	Bool bAnyEOS = false;
773
774	Int iNumOfRenderedFrames = 0;
775	Int iFrame = 0;
776
777	while ( ( ( iNumOfRenderedFrames < m_iFramesToBeRendered ) \|\| ( m_iFramesToBeRendered == 0 ) ) && !bAnyEOS )
778	{
779
780	if ( iFrame >= m_iFrameSkip )
781	{
782	// read in depth and video
783	for(Int iBaseViewIdx=0; iBaseViewIdx < m_iNumberOfInputViews; iBaseViewIdx++ )
784	{
785	m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->read( apcPicYuvBaseVideo[iBaseViewIdx], aiPad ) ;
786	bAnyEOS \|= m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->isEof();
787
788	m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->read( apcPicYuvBaseDepth[iBaseViewIdx], aiPad ) ;
789	bAnyEOS \|= m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->isEof();
790
791	if ( iFrame >= m_iFrameSkip )
792	{
793	Int iBaseViewSIdx = m_cCameraData.getBaseId2SortedId()[iBaseViewIdx];
794	cCurModel.setBaseView( iBaseViewSIdx, apcPicYuvBaseVideo[iBaseViewIdx], apcPicYuvBaseDepth[iBaseViewIdx], NULL, NULL );
795	}
796	}
797	}
798	else
799	{
800	iFrame++;
801	continue;
802	}
803	m_cCameraData.update( (UInt) (iFrame - m_iFrameSkip ));
804	for(Int iSynthViewIdx=0; iSynthViewIdx < m_iNumberOfOutputViews; iSynthViewIdx++ )
805	{
806
807	Int iLeftBaseViewIdx = -1;
808	Int iRightBaseViewIdx = -1;
809
810	Bool bIsBaseView = false;
811
812	Int iRelDistToLeft;
813	Bool bHasLRView = m_cCameraData.getLeftRightBaseView( iSynthViewIdx, iLeftBaseViewIdx, iRightBaseViewIdx, iRelDistToLeft, bIsBaseView );
814	Bool bHasLView = ( iLeftBaseViewIdx != -1 );
815	Bool bHasRView = ( iRightBaseViewIdx != -1 );
816
817	switch( m_iRenderDirection )
818	{
819	/// INTERPOLATION
820	case 0:
821	assert( bHasLRView \|\| bIsBaseView );
822
823	if ( !bHasLRView && bIsBaseView ) // View to render is BaseView
824	{
825	std::cout << "Copied Frame " << iFrame << " of BaseView " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
826	apcPicYuvBaseVideo[iLeftBaseViewIdx]->copyToPic( pcPicYuvSynthOut ); // Copy Original
827	}
828	else // Render
829	{
830	std::cout << "Rendering Frame " << iFrame << " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
831	cCurModel.setSingleModel( iSynthViewIdx,
832	m_cCameraData.getSynthViewShiftLUTI()[iLeftBaseViewIdx ][iSynthViewIdx] ,
833	m_cCameraData.getBaseViewShiftLUTI ()[iLeftBaseViewIdx ][iRightBaseViewIdx],
834	m_cCameraData.getSynthViewShiftLUTI()[iRightBaseViewIdx][iSynthViewIdx] ,
835	m_cCameraData.getBaseViewShiftLUTI ()[iRightBaseViewIdx][iLeftBaseViewIdx] ,
836	iRelDistToLeft,
837	NULL );
838	cCurModel.getSynthVideo ( iSynthViewIdx, VIEWPOS_MERGED, pcPicYuvSynthOut );
839	}
840	break;
841	/// EXTRAPOLATION FROM LEFT
842	case 1:
843
844	if ( !bHasLView ) // View to render is BaseView
845	{
846	std::cout << "Copied Frame " << iFrame << " of BaseView " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
847	apcPicYuvBaseVideo[iLeftBaseViewIdx]->copyToPic( pcPicYuvSynthOut ); // Copy Original
848	}
849	else // Render
850	{
851	std::cout << "Rendering Frame " << iFrame << " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
852	cCurModel.setSingleModel( iSynthViewIdx, m_cCameraData.getSynthViewShiftLUTI()[iLeftBaseViewIdx ][iSynthViewIdx], NULL, NULL, NULL, -1, NULL);
853	cCurModel.getSynthVideo ( iSynthViewIdx, VIEWPOS_LEFT, pcPicYuvSynthOut );
854	}
855	break;
856	/// EXTRAPOLATION FROM RIGHT
857	case 2: // extrapolation from right
858	if ( !bHasRView ) // View to render is BaseView
859	{
860	std::cout << "Copied Frame " << iFrame << " of BaseView " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
861	apcPicYuvBaseVideo[iRightBaseViewIdx]->copyToPic( pcPicYuvSynthOut ); // Copy Original
862	}
863	else // Render
864	{
865	std::cout << "Rendering Frame " << iFrame << " of View " << (Double) m_cCameraData.getSynthViewNumbers()[iSynthViewIdx] / VIEW_NUM_PREC << std::endl;
866	cCurModel.setSingleModel( iSynthViewIdx, NULL , NULL, m_cCameraData.getSynthViewShiftLUTI()[iRightBaseViewIdx ][iSynthViewIdx], NULL, -1, NULL);
867	cCurModel.getSynthVideo ( iSynthViewIdx, VIEWPOS_RIGHT, pcPicYuvSynthOut );
868	}
869	break;
870	}
871
872	// Write Output
873	m_apcTVideoIOYuvSynthOutput[m_bSweep ? 0 : iSynthViewIdx]->write( pcPicYuvSynthOut, 0, 0, 0, 0 );
874	}
875	iFrame++;
876	iNumOfRenderedFrames++;
877	}
878
879	// Delete Buffers
880	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
881	{
882	apcPicYuvBaseVideo[uiBaseView]->destroy();
883	delete apcPicYuvBaseVideo[uiBaseView];
884
885	apcPicYuvBaseDepth[uiBaseView]->destroy();
886	delete apcPicYuvBaseDepth[uiBaseView];
887	}
888	pcPicYuvSynthOut->destroy();
889	delete pcPicYuvSynthOut;
890
891	xDestroyLib();
892
893	}
894	#endif
895
896	Void TAppRendererTop::renderUsedPelsMap( )
897	{
898	xCreateLib();
899	xInitLib();
900
901	// Create Buffers Input Views;
902	std::vector<TComPicYuv*> apcPicYuvBaseVideo;
903	std::vector<TComPicYuv*> apcPicYuvBaseDepth;
904
905	// TemporalImprovement Filter
906	std::vector<TComPicYuv*> apcPicYuvLastBaseVideo;
907	std::vector<TComPicYuv*> apcPicYuvLastBaseDepth;
908
909	Int aiPad[2] = { 0, 0 };
910
911	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
912	{
913	TComPicYuv* pcNewVideoPic = new TComPicYuv;
914	TComPicYuv* pcNewDepthPic = new TComPicYuv;
915
916	pcNewVideoPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
917	apcPicYuvBaseVideo.push_back(pcNewVideoPic);
918
919	pcNewDepthPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
920	apcPicYuvBaseDepth.push_back(pcNewDepthPic);
921
922	//Temporal improvement Filter
923	if ( m_bTempDepthFilter )
924	{
925	pcNewVideoPic = new TComPicYuv;
926	pcNewDepthPic = new TComPicYuv;
927
928	pcNewVideoPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
929	apcPicYuvLastBaseVideo.push_back(pcNewVideoPic);
930
931	pcNewDepthPic->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
932	apcPicYuvLastBaseDepth.push_back(pcNewDepthPic);
933	}
934	}
935
936	// Create Buffer for synthesized View
937	TComPicYuv* pcPicYuvSynthOut = new TComPicYuv;
938	pcPicYuvSynthOut->create( m_iSourceWidth, m_iSourceHeight, 1, 1, 1 );
939
940	Bool bAnyEOS = false;
941
942	Int iNumOfRenderedFrames = 0;
943	Int iFrame = 0;
944
945	while ( ( ( iNumOfRenderedFrames < m_iFramesToBeRendered ) \|\| ( m_iFramesToBeRendered == 0 ) ) && !bAnyEOS )
946	{
947	if ( iFrame >= m_iFrameSkip )
948	{
949	// read in depth and video
950	for(Int iBaseViewIdx=0; iBaseViewIdx < m_iNumberOfInputViews; iBaseViewIdx++ )
951	{
952	m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->read( apcPicYuvBaseVideo[iBaseViewIdx], aiPad ) ;
953	apcPicYuvBaseVideo[iBaseViewIdx]->extendPicBorder();
954	bAnyEOS \|= m_apcTVideoIOYuvVideoInput[iBaseViewIdx]->isEof();
955
956	m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->read( apcPicYuvBaseDepth[iBaseViewIdx], aiPad ) ;
957	apcPicYuvBaseDepth[iBaseViewIdx]->extendPicBorder();
958	bAnyEOS \|= m_apcTVideoIOYuvDepthInput[iBaseViewIdx]->isEof();
959
960	if ( m_bTempDepthFilter && (iFrame >= m_iFrameSkip) )
961	{
962	m_pcRenTop->temporalFilterVSRS( apcPicYuvBaseVideo[iBaseViewIdx], apcPicYuvBaseDepth[iBaseViewIdx], apcPicYuvLastBaseVideo[iBaseViewIdx], apcPicYuvLastBaseDepth[iBaseViewIdx], ( iFrame == m_iFrameSkip) );
963	}
964	}
965	}
966	else
967	{
968	std::cout << "Skipping Frame " << iFrame << std::endl;
969
970	iFrame++;
971	continue;
972	}
973	m_cCameraData.update( (UInt) ( iFrame - m_iFrameSkip ) );
974
975	for(Int iViewIdx=1; iViewIdx < m_iNumberOfInputViews; iViewIdx++ )
976	{
977	std::cout << "Rendering UsedPelsMap for Frame " << iFrame << " of View " << (Double) m_cCameraData.getBaseViewNumbers()[iViewIdx] << std::endl;
978
979	Int iViewSIdx = m_cCameraData.getBaseId2SortedId()[iViewIdx];
980	Int iFirstViewSIdx = m_cCameraData.getBaseId2SortedId()[0];
981
982	AOT( iViewSIdx == iFirstViewSIdx );
983
984	Bool bFirstIsLeft = (iFirstViewSIdx < iViewSIdx);
985
986	m_pcRenTop->setShiftLUTs(
987	m_cCameraData.getBaseViewShiftLUTD()[0][iViewIdx],
988	m_cCameraData.getBaseViewShiftLUTI()[0][iViewIdx],
989	m_cCameraData.getBaseViewShiftLUTI()[0][iViewIdx],
990	m_cCameraData.getBaseViewShiftLUTD()[0][iViewIdx],
991	m_cCameraData.getBaseViewShiftLUTI()[0][iViewIdx],
992	m_cCameraData.getBaseViewShiftLUTI()[0][iViewIdx],
993	-1
994	);
995
996	m_pcRenTop->getUsedSamplesMap( apcPicYuvBaseDepth[0], pcPicYuvSynthOut, bFirstIsLeft );
997
998	// Write Output
999	m_apcTVideoIOYuvSynthOutput[iViewIdx-1]->write( pcPicYuvSynthOut, 0, 0, 0 );
1000
1001	}
1002	iFrame++;
1003	iNumOfRenderedFrames++;
1004	}
1005
1006	// Delete Buffers
1007	for ( UInt uiBaseView = 0; uiBaseView < m_iNumberOfInputViews; uiBaseView++ )
1008	{
1009	apcPicYuvBaseVideo[uiBaseView]->destroy();
1010	delete apcPicYuvBaseVideo[uiBaseView];
1011
1012	apcPicYuvBaseDepth[uiBaseView]->destroy();
1013	delete apcPicYuvBaseDepth[uiBaseView];
1014
1015	// Temporal Filter
1016	if ( m_bTempDepthFilter )
1017	{
1018	apcPicYuvLastBaseVideo[uiBaseView]->destroy();
1019	delete apcPicYuvLastBaseVideo[uiBaseView];
1020
1021	apcPicYuvLastBaseDepth[uiBaseView]->destroy();
1022	delete apcPicYuvLastBaseDepth[uiBaseView];
1023	}
1024	}
1025	pcPicYuvSynthOut->destroy();
1026	delete pcPicYuvSynthOut;
1027
1028	xDestroyLib();
1029
1030	}
1031	#endif

Note: See TracBrowser for help on using the repository browser.

Download in other formats: