public MyWrite(string dir, string filename)
{
_videoDecoder = new VideoPacketDecoder(PixelFormat.BGR24);
_fileName = filename;
_dir = dir;
_packetQueue = new ConcurrentQueue <object>();
_vedioDir = _dir + @"/" + _fileName + @"/vedio";
_navdataDir = _dir + @"/" + _fileName + @"/navdata";
_navigationDataFile = new FileStream(_dir + @"/" + _fileName + ".nav", FileMode.OpenOrCreate);
_navigationDataWriter = new StreamWriter(_navigationDataFile);
//创建vedio文件夹
if (!Directory.Exists(_vedioDir))
{
Directory.CreateDirectory(_vedioDir);
}
//创建navdata文件夹
if (!Directory.Exists(_navdataDir))
{
Directory.CreateDirectory(_navdataDir);
}
}
protected override void Loop(CancellationToken token)
{
// flush packet queue
ConcurrentQueueHelper.Flush(_packetQueue);
using (var videoDecoder = new VideoPacketDecoder(_pixelFormat))
while (token.IsCancellationRequested == false)
{
VideoPacket packet;
if (_packetQueue.TryDequeue(out packet))
{
VideoFrame frame;
if (videoDecoder.TryDecode(ref packet, out frame))
{
_onFrameDecoded(frame);
}
}
Thread.Sleep(10);
}
}
