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cxPlaybackUSAcquisitionVideo.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
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19  without specific prior written permission.
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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31 =========================================================================*/
32 
34 #include <QStringList>
35 #include <QDir>
36 #include <QtCore>
37 #include <boost/bind.hpp>
38 #include "vtkImageImport.h"
39 #include "vtkImageData.h"
40 #include "cxTypeConversions.h"
42 #include "cxTestVideoSource.h"
43 #include "cxTrackingService.h"
44 #include "cxReporter.h"
45 //#include "cxProbeImpl.h"
46 #include "cxUSFrameData.h"
47 #include "cxPlaybackTime.h"
48 
49 #include "cxBasicVideoSource.h"
50 #include "cxImage.h"
51 #include "cxImageDataContainer.h"
52 #include "cxVideoServiceBackend.h"
53 #include "cxFileHelpers.h"
54 #include <QtConcurrent>
55 #include "cxTool.h"
56 
57 namespace cx
58 {
59 
61  QObject(NULL),
62  mVideoSourceUid("playback " + type)
63 {
64  mType=type;
65  mBackend = backend;
66  mVideoSource.reset(new BasicVideoSource(mVideoSourceUid));
67  mVideoSource->setStatusString(QString("No US Acquisition"));
68 
69  connect(&mUSImageDataFutureWatcher, SIGNAL(finished()), this, SLOT(usDataLoadFinishedSlot()));
70 }
71 
73 {
74 }
75 
76 
78 {
79  return mVideoSource;
80 }
81 
83 {
84  return mTimer ? true : false;
85 }
86 
88 {
89  if (mTimer)
90  disconnect(mTimer.get(), SIGNAL(changed()), this, SLOT(timerChangedSlot()));
91  mTimer = controller;
92  if (mTimer)
93  connect(mTimer.get(), SIGNAL(changed()), this, SLOT(timerChangedSlot()));
94 
95  if (controller)
96  {
97  mVideoSource->start();
98  }
99  else
100  {
101  mVideoSource->deconfigure();
102  }
103 }
104 
105 void USAcquisitionVideoPlayback::setRoot(const QString path)
106 {
107  mRoot = path;
108  mEvents = this->getEvents();
109 }
110 
111 std::vector<TimelineEvent> USAcquisitionVideoPlayback::getEvents()
112 {
113  std::vector<TimelineEvent> events;
114 
115  QStringList allFiles = this->getAbsolutePathToFtsFiles(mRoot);
116  for (int i=0; i<allFiles.size(); ++i)
117  {
119  std::vector<TimedPosition> timestamps = reader.readFrameTimestamps(allFiles[i]);
120 
121  if (timestamps.empty())
122  continue;
123 
124  TimelineEvent current(
125  QString("Acquisition %1").arg(QFileInfo(allFiles[i]).fileName()),
126  timestamps.front().mTime,
127  timestamps.back().mTime);
128  current.mUid = allFiles[i];
129  current.mGroup = "acquisition";
130  current.mColor = QColor::fromHsv(36, 255, 222);
131 
132  events.push_back(current);
133 
134  }
135 
136  return events;
137 }
138 
141 QStringList USAcquisitionVideoPlayback::getAbsolutePathToFtsFiles(QString folder)
142 {
143  return getAbsolutePathToFiles(folder,QStringList(QString("*_").append(mType)), true);
144 }
145 
147 {
148  return mType;
149 }
150 
151 void USAcquisitionVideoPlayback::timerChangedSlot()
152 {
153  TimelineEvent event;
154  for (unsigned i=0; i<mEvents.size(); ++i)
155  {
156  if (mEvents[i].isInside(mTimer->getTime().toMSecsSinceEpoch()))
157  {
158  event = mEvents[i];
159  break;
160  }
161  }
162 
163  this->loadFullData(event.mUid);
164  this->updateFrame(event.mUid);
165 }
166 
167 void USAcquisitionVideoPlayback::loadFullData(QString filename)
168 {
169  // if same filename, ok and return
170  if (filename == mCurrentData.mFilename)
171  return;
172 
173  mVideoSource->setInfoString(QString(""));
174  mVideoSource->setStatusString(QString("No US Acquisition"));
175  mVideoSource->deconfigure();
176 
177  // if no data: ignore but keep the already loaded data
178  if (filename.isEmpty())
179  return;
180 
181  // clear data
182  mCurrentData = USReconstructInputData();
183 
184  // if no new data, return
185  if (filename.isEmpty())
186  return;
187 
188  // load new data
189  // start an asynchronous read of data
190  if (!mUSImageDataReader)
191  {
192  mUSImageDataReader.reset(new UsReconstructionFileReader());
193  mUSImageDataFutureResult = QtConcurrent::run(boost::bind(&UsReconstructionFileReader::readAllFiles, mUSImageDataReader, filename, ""));
194  mUSImageDataFutureWatcher.setFuture(mUSImageDataFutureResult);
195  }
196 }
197 
198 void USAcquisitionVideoPlayback::usDataLoadFinishedSlot()
199 {
200  // file read operation has completed: read and clear
201  mCurrentData = mUSImageDataFutureResult.result();
202  mCurrentData.mProbeDefinition.mData.setUid(mVideoSourceUid);
203  // clear result so we can check for it next run
204  mUSImageDataReader.reset();
205 
206  mVideoSource->start();
207 
208  // set the probe sector from file data:
209  ToolPtr tool = mBackend->tracking()->getFirstProbe();
210  if (tool)
211  {
212  ProbePtr probe = tool->getProbe();
213  if (probe)
214  probe->setProbeDefinition(mCurrentData.mProbeDefinition.mData);
215  }
216 
217  // create a vector to allow for quick search
218  mCurrentTimestamps.clear();
219  for (unsigned i=0; i<mCurrentData.mFrames.size(); ++i)
220  mCurrentTimestamps.push_back(mCurrentData.mFrames[i].mTime);
221 
222  this->updateFrame(mCurrentData.mFilename);
223 }
224 
225 void USAcquisitionVideoPlayback::updateFrame(QString filename)
226 {
227  if (mUSImageDataReader)
228  {
229  mVideoSource->setInfoString(QString("Loading US Data..."));
230  mVideoSource->setStatusString(QString("Loading US Data..."));
231  mVideoSource->setInput(ImagePtr());
232  return;
233  }
234 
235  if (mCurrentData.mFilename.isEmpty() || !mCurrentData.mUsRaw || filename!=mCurrentData.mFilename)
236  {
237  mVideoSource->setInfoString(QString(""));
238  mVideoSource->setStatusString(QString("No US Acquisition"));
239  mVideoSource->setInput(ImagePtr());
240  return;
241  }
242 
243  // if not already started:
244  mVideoSource->start();
245 
246  double timestamp = mTimer->getTime().toMSecsSinceEpoch();
247 
248  // find index of current frame: Use the last frame _before_ the current timestamp.
249  std::vector<double>::iterator iter = std::lower_bound(mCurrentTimestamps.begin(), mCurrentTimestamps.end(), timestamp);
250  if (iter==mCurrentTimestamps.begin())
251  return;
252  --iter; // use the frame before, not after.
253  int index = std::distance(mCurrentTimestamps.begin(), iter);
254 
255  int timeout = 1000; // invalidate data if timestamp differ from time too much
256  mVideoSource->overrideTimeout(fabs(timestamp-*iter)>timeout);
257 
258  ImagePtr image(new Image(mVideoSourceUid, mCurrentData.mUsRaw->getImageContainer()->get(index)));
259  image->setAcquisitionTime(QDateTime::fromMSecsSinceEpoch(timestamp));
260 
261  mVideoSource->setInfoString(QString("%1 - Frame %2").arg(mCurrentData.mUsRaw->getName()).arg(index));
262  if (mVideoSource->validData())
263  mVideoSource->setStatusString(QString(""));
264  else
265  mVideoSource->setStatusString(QString("Timeout"));
266 
267  mVideoSource->setInput(image);
268 }
269 
270 
271 
272 } // cx
273 
Reader class for the US Acquisition files.
void setTime(PlaybackTimePtr controller)
Description of one event in time.
boost::shared_ptr< class Image > ImagePtr
Definition: cxDicomWidget.h:48
std::vector< TimedPosition > readFrameTimestamps(QString fileName)
std::vector< TimedPosition > mFrames
boost::shared_ptr< class VideoServiceBackend > VideoServiceBackendPtr
boost::shared_ptr< class PlaybackTime > PlaybackTimePtr
boost::shared_ptr< Probe > ProbePtr
Definition: cxProbe.h:93
USReconstructInputData readAllFiles(QString fileName, QString calFilesPath="")
void setUid(QString uid)
boost::shared_ptr< class VideoSource > VideoSourcePtr
USAcquisitionVideoPlayback(VideoServiceBackendPtr backend, QString type)
VideoSource controlled by a vtkImageData.
ProbeDefinition mData
Definition: cxProbeSector.h:75
std::vector< TimelineEvent > getEvents()
QStringList getAbsolutePathToFiles(QString path, QStringList nameFilters, bool includeSubDirs)
QString mFilename
filename used for current data read
USFrameDataPtr mUsRaw
All imported US data frames with pointers to each frame.
boost::shared_ptr< class Tool > ToolPtr