// ---------------------------------------------------------------
// stop encoder
public override void StopRecord()
{
if (vsEncoder != null && vsEncoder.Recording)
{
// stop timer
timer.Stop();
stimer.Stop();
try
{
// stop encoder
vsEncoder.StopRecord();
// already write and can be accessed by another?
// convert avi file to wmv
VsEncode vsEnc = new VsEncode(rawName, aviName);
EncodeOut(this, new VsEncodeEventArgs(vsEnc));
vsEnc.Dispose(); vsEnc = null;
// send data to database server
DataAlert();
}
catch (Exception err)
{
// error log
logger.Log(LogLevel.Error, err.Message + " " + err.Source + " " + err.StackTrace);;
// if can't stop
// try to free memory
if (vsEncoder != null)
{
vsEncoder.Dispose();
vsEncoder = null;
}
// and create new encoder
if (vsEncoder == null)
{
try
{
vsEncoder = new AviEncoder();
}
catch (Exception err1)
{
if (vsEncoder != null)
{
vsEncoder.Dispose();
vsEncoder = null;
}
logger.Log(LogLevel.Error, err1.Message + " " + err1.Source + " " + err1.StackTrace);;
}
}
}
// start timer
timer.Start();
}
}
public void FrameIn(object sender, VsEncodeEventArgs e)
{
try
{
VsEncode enc = (VsEncode)e.Encode.Clone();
encBuffer.Enqueue(enc);
waitEvent.Set();
}
catch (Exception err)
{
logger.Log(LogLevel.Error, err.Message + " " + err.Source + " " + err.StackTrace);
}
}
// Thread entry point
public void ConverterThread()
{
VsEncode lastEnc = null;
while (true)
{
// free memory
if (lastEnc != null)
{
lastEnc.Dispose(); lastEnc = null;
}
// get new conversion if there is
// or waiting if not
if (encBuffer.Count > 0)
{
lastEnc = (VsEncode)encBuffer.Dequeue();
}
else
{
waitEvent.WaitOne();
}
if (lastEnc != null)
{
string fileInput = lastEnc.FileFrom; string fileOutput = lastEnc.FileTo;
try
{
// check file input
FileInfo fileIn = new FileInfo(fileInput);
if (fileIn.Length > 0)
{
// convert to wmv
AviConverter aviConvert = new AviConverter(fileInput, fileOutput, "wmv3");
try
{
// convert
aviConvert.StartConvert();
}
catch (Exception err)
{
logger.Log(LogLevel.Error, err.Message + " " + err.Source + " " + err.StackTrace);
}
finally
{
aviConvert.Dispose();
aviConvert = null;
}
// check file output and delete file input
FileInfo fileOut = new FileInfo(fileOutput);
if (fileOut.Length > 0)
{
fileIn.Delete();
}
}
}
catch (Exception err)
{
logger.Log(LogLevel.Error, err.Message + " " + err.Source + " " + err.StackTrace);
}
}
// need to stop ?
if (stopEvent.WaitOne(0, true))
{
break;
}
Thread.Sleep(100);
}
}
