bool SndFileSource::openNextFile()
{
if (mSoundFile)
{
sf_close(mSoundFile);
mSoundFile = 0;
}
QString filename = getNextFilePath();
if (filename.isEmpty())
return false;
SF_INFO fileInfo;
memset(&fileInfo, 0, sizeof(fileInfo));
mSoundFile = sf_open(qPrintable(filename), SFM_READ, &fileInfo);
if (!mSoundFile)
return false;
Q_ASSERT(fileInfo.samplerate);
mAlsaFrame.setChannelsNo(fileInfo.channels);
mAlsaFrame.setSampleTime(1.0/fileInfo.samplerate);
mAlsaFrame.setFrameTime(AlsaFrame::DefaultFrameTime);
mAlsaFrame.setSourceName(filename);
return true;
}
bool CTestMonitor::saveFrameToJpeg(cv::Mat frame)
{
if (m_isMonitorEnabled)
{
std::vector<int> qualityType;
qualityType.push_back(CV_IMWRITE_JPEG_QUALITY);
qualityType.push_back(90);
deleteFileByNumberIfExists(m_nNextFile, m_sLogFolder);
std::string sFilePath = getNextFilePath(m_sLogFolder);
sFilePath += ".jpg";
cv::imwrite(sFilePath.c_str(), frame, qualityType);
}
}
void MatrixFileSource::process()
{
QString filename = getNextFilePath();
if (filename.isEmpty())
emit processingCompleted();
else
{
arma::mat frame;
if (data::Load(filename.toStdString(), frame, true))
{
mMatrixFrame = frame;
emit framesReady();
}
}
}
bool CTestMonitor::enableVideoCollection(bool bEnable, int framesPerSec, unsigned int height, unsigned int width, int codec)
{
int nColor = 1;
cv::Size mySize = cv::Size(width, height);
std::string sFilePath = getNextFilePath(m_sLogVideoFolder);
sFilePath += ".avi";
//make output video file
m_outVideo.open(sFilePath, codec, framesPerSec, mySize, nColor);
if (!m_outVideo.isOpened())
{
return false;
}
return true;
}
