private void PlaybackStreaming_PlayByFrameIndex()
{
this.m_stopped = false;
InitStreamState();
switch (m_algoOption)
{
// 面部算法
case AlgoOption.Face:
this.faceModule = manager.QueryFace();
if (faceModule == null)
{
MessageBox.Show("QueryFace failed"); return;
}
InitFaceState();
this.faceData = this.faceModule.CreateOutput();
if (faceData == null)
{
MessageBox.Show("CreateOutput failed"); return;
}
break;
}
if (manager.Init() < pxcmStatus.PXCM_STATUS_NO_ERROR)
{
#if DEBUG
System.Windows.Forms.MessageBox.Show("init failed");
#endif
return;
}
int nframes = manager.captureManager.QueryNumberOfFrames();
MessageBox.Show(nframes + "");
for (int i = 0;;)
{
if (m_pause)
{
continue;
}
manager.captureManager.SetFrameByIndex(i);
manager.FlushFrame();
if (manager.AcquireFrame(true).IsError())
{
break;
}
this.sample = manager.QuerySample();
if (sample.depth != null)
{
this.m_timestamp = (sample.depth.timeStamp);
}
else if (sample.color != null)
{
this.m_timestamp = sample.color.timeStamp;
}
m_timestamp_sec = m_timestamp / 10000000;
if (m_timestamp_sec_init == -1)
{
m_timestamp_sec_init = m_timestamp_sec;
}
if (this.m_label != null)
{
//updateLabel(this.m_timestamp.ToString());
System.Threading.Thread t1 = new System.Threading.Thread(updateLabel);
t1.Start((m_timestamp_sec - m_timestamp_sec_init).ToString());
}
if (m_display)
{
this.DoRender();
}
manager.ReleaseFrame();
if (this.m_playback_reverse)
{
if (i <= this.m_playback_framespeed)
{
break;
}
i -= this.m_playback_framespeed;
}
else
{
if (i >= nframes - this.m_playback_framespeed)
{
break;
}
i += this.m_playback_framespeed;
}
}
faceData.Dispose();
manager.Dispose();
}