// 2.
// CreateAndRunWithVideoDigitizer
void QuicktimeLiveImageStream::createAndRunWithVideoDigitizer(std::string fileName)
{
std::string::size_type idx = fileName.find(':');
if (idx == std::string::npos)
{
OSG_FATAL << "Error while parsing deviceID:deviceInputID.live path : " << fileName << std::endl;
}
// Better c++ code is to use istrstream
std::string deviceIDStr = fileName.substr(0,idx);
std::string deviceInputIDStr = fileName.substr(idx+1);
m_videoDeviceID = static_cast<short>(atoi(deviceIDStr.c_str()));
m_videoDeviceInputID = static_cast<short>(atoi(deviceInputIDStr.c_str()));
// Get Video Digitizer Rectangle bounds from a Sequence Grabber proxy (using IDs)
get_video_device_bounds_idstr(m_videoDeviceID, m_videoDeviceInputID, m_videoRectWidth, m_videoRectHeight, m_videoDeviceIDStr);
// Create the Image
createImage();
// Create the offscreen GWorld (using Image as target memory)
createGWorld();
// Create the Sequence Grabber (using GWorld as target memory)
createVideoDigitizer();
// Go
_status = ImageStream::PLAYING;
VideoDigitizerError error = VDSetPlayThruOnOff(m_vdig, vdPlayThruOn);
if (error != noErr)
{
OSG_FATAL << "VDSetPlayThruOnOff : error" << std::endl;
}
// Ticker
start();
}
// 1.
// CreateAndRunWithSequenceGrabber
void QuicktimeLiveImageStream::createAndRunWithSequenceGrabber(std::string fileName)
{
std::string::size_type idx = fileName.find(':');
if (idx == std::string::npos)
{
osg::notify(osg::FATAL) << "Error while parsing deviceID:deviceInputID.live path : " << fileName << std::endl;
}
// Better c++ code is to use istrstream
std::string deviceIDStr = fileName.substr(0,idx);
std::string deviceInputIDStr = fileName.substr(idx+1);
m_videoDeviceID = static_cast<short>(atoi(deviceIDStr.c_str()));
m_videoDeviceInputID = static_cast<short>(atoi(deviceInputIDStr.c_str()));
// Get Video Digitizer Rectangle bounds from a Sequence Grabber proxy (using IDs)
get_video_device_bounds_idstr(m_videoDeviceID, m_videoDeviceInputID, m_videoRectWidth, m_videoRectHeight, m_videoDeviceIDStr);
// Sound
m_soundDeviceID = 2; m_soundDeviceInputID = 0;
//get_sound_device_idstr(m_soundDeviceID, m_soundDeviceInputID, m_soundDeviceIDStr);
// Create the Image
createImage();
// Create the offscreen GWorld (using Image as target memory)
createGWorld();
// Create the Sequence Grabber (using GWorld as target memory)
createSequenceGrabber();
// Create the Sequence Grabber Video Channel
createSequenceGrabberVideoChannel();
if (g_s_use_sg_record)
{
// Create the Sequence Grabber DataProc setup for Record
createSequenceGrabberDataProc();
}
// Create the Sequence Grabber Audio Channel
createSequenceGrabberAudioChannel();
// Start the engine Jack!
// Callbacks
createSequenceGrabberVideoBottlenecks();
ComponentResult result = noErr;
result = SGPrepare( m_gSeqGrabber, TRUE, FALSE);
if (result != noErr)
osg::notify(osg::FATAL) << "SGPrepare : error" << std::endl;
if (g_s_use_sg_record)
{
result = SGStartRecord(m_gSeqGrabber);
if (result != noErr)
osg::notify(osg::FATAL) << "SGStartRecord : error" << std::endl;
}
else
{
result = SGStartPreview(m_gSeqGrabber);
if (result != noErr)
osg::notify(osg::FATAL) << "SGStartPreview : error" << std::endl;
}
_status = ImageStream::PLAYING;
// Ticker
start();
}