public void HandleRead(object sender, byte[] data)
{
if (_device != null)
{
var message = "";
ReadWithDevice(data, ref message);
PushData?.Invoke(this, message);
}
else
{
PushData?.Invoke(this, data);
}
}
private void TimerCallback(object o)
{
if (!Monitor.TryEnter(this))
{
Console.WriteLine("timer tacts colision");
}
else
{
Monitor.Exit(this);
}
lock (this)
{
if (!NowPlay)
{
return;
}
if (_frames == null || _frames.Count == 0)
{
return;
}
// Collect all frames for a next second
TimeSpan begin = _component.SongProgress;
// This is the end
if (begin >= _frames.Last().Key)
{
_endFrameTimer.Change(int.MaxValue, int.MaxValue);
_endFrameTimer.Dispose();
_endFrameTimer = null;
_frames = null;
_nextPartBeginIndex = -1;
// SongEnded?.Invoke(this, EventArgs.Empty);
// will be called or already was called by decoratorHandler
return;
}
if (begin < TimeSpan.FromSeconds(1))
{
begin = TimeSpan.Zero;
}
TimeSpan end = begin.Add(TimeSpan.FromSeconds(1));
if (end > _frames.Last().Key)
{
end = _frames.Last().Key;
}
List <Mp3Frame> currentInterval = new List <Mp3Frame>(50); // 50 avarage value of frames per second based on one song
if (_nextPartBeginIndex != -1 &&
_nextPartBeginIndex < _frames.Count &&
TimeIsMatch(_frames[_nextPartBeginIndex].Key, begin, 50))
{
// Song was ended. Timer mast be renuwed
if (_nextPartBeginIndex >= _frames.Count)
{
_endFrameTimer.Change(int.MaxValue, int.MaxValue);
_endFrameTimer.Dispose();
_endFrameTimer = null;
_frames = null;
_nextPartBeginIndex = -1;
// SongEnded?.Invoke(this, EventArgs.Empty);
// will be called or already was called by decoratorHandler
return;
}
int lastMatchIndex = _frames.FindIndex(_nextPartBeginIndex, t => t.Key >= end);
lastMatchIndex = lastMatchIndex == -1 ? _frames.Count - 1 : lastMatchIndex;
for (int i = _nextPartBeginIndex; i <= lastMatchIndex; i++)
{
currentInterval.Add(_frames[i].Value);
}
_nextPartBeginIndex = lastMatchIndex + 1;
}
else
{
int firstMatch = _frames.FindIndex(t => t.Key >= begin);
int lastMatch = _frames.FindIndex(firstMatch, t => t.Key >= end);
// <= for correct sending last frame ( not good idea, should refactor )
for (int i = firstMatch; i <= lastMatch; i++)
{
currentInterval.Add(_frames[i].Value);
}
_nextPartBeginIndex = lastMatch + 1;
}
int packetLen = currentInterval.Sum(t => t.RawData.Length);
byte[] data = new byte[packetLen];
for (int i = 0, dest = 0; i < currentInterval.Count; i++)
{
Array.Copy(currentInterval[i].RawData, 0, data, dest, currentInterval[i].RawData.Length);
dest += currentInterval[i].RawData.Length;
}
//Console.Write("Send {0} bytes ",data.Length);
PushData?.Invoke(this, data);
//Console.WriteLine("OK");
}
}
