private void H264Decode(string path, int fps)
{
var decoder = new OpenH264Lib.Decoder("openh264-1.7.0-win32.dll");
var aviFile = System.IO.File.OpenRead(path);
var riff = new RiffFile(aviFile);
var frames = riff.Chunks.OfType <RiffChunk>().Where(x => x.FourCC == "00dc");
var enumerator = frames.GetEnumerator();
var timer = new System.Timers.Timer(1000 / fps)
{
SynchronizingObject = this, AutoReset = true
};
timer.Elapsed += (s, e) =>
{
if (enumerator.MoveNext() == false)
{
timer.Stop();
return;
}
var chunk = enumerator.Current;
var frame = chunk.ReadToEnd();
var image = decoder.Decode(frame, frame.Length);
if (image == null)
{
return;
}
pbxScreen.Image = image;
};
timer.Start();
}
protected void DecodeFrame(OpenH264Lib.Decoder decoder, byte[] frame, DateTime timestamp)
{
Bitmap bmp = decoder.Decode(frame, frame.Length);
if (bmp != null)
{
FrameQueue.Enqueue(new SpeedometerFrame(bmp, timestamp));
}
}
private void BtnTestA_Click(object sender, EventArgs e)
{
var dialog = new OpenFileDialog()
{
Multiselect = true
};
dialog.Filter = "Image Files (*.bmp, *.png, *.jpg)|*.bmp;*.png;*.jpg";
if (dialog.ShowDialog() == DialogResult.OK)
{
using (OpenH264Lib.Encoder encoder = new OpenH264Lib.Encoder(dllPath))
using (OpenH264Lib.Decoder decoder = new OpenH264Lib.Decoder(dllPath))
{
// 1フレームエンコードするごとにライターに書き込み
OpenH264Lib.Encoder.OnEncodeCallback onEncode = (data, length, frameType) =>
{
bool keyFrame = (frameType == OpenH264Lib.Encoder.FrameType.IDR) || (frameType == OpenH264Lib.Encoder.FrameType.I);
Bitmap image = decoder.Decode(data.Take(length).ToArray(), length);
Image old = pbxScreen.Image;
pbxScreen.Image = image;
if (old != null)
{
old.Dispose();
}
Application.DoEvents();
};
for (int i = 0; i < dialog.FileNames.Length; i++)
{
using (Bitmap bmp = new Bitmap(dialog.FileNames[i]))
{
if (i == 0)
{
encoder.Setup(bmp.Width, bmp.Height, 5000000, (float)nudFps.Value, 2.0f, onEncode);
}
encoder.Encode(bmp, nudFps.Value == 0 ? 0.5f : i / (float)nudFps.Value);
}
}
}
}
}
private void Receive(Socket socket)
{
while (!abort)
{
try
{
byte[] num = new byte[4];
socket.Receive(num);
byte[] buffer = new byte[BitConverter.ToInt32(num, 0)];
socket.Receive(buffer);
Image frame;
try
{
frame = decoder.Decode(buffer, buffer.Length);
}
catch
{
frame = null;
}
Image cont = videoFrame.Image;
if (frame != null)
{
videoFrame.Image = (Image)frame.Clone();
frame.Dispose();
}
if (cont != null)
{
cont.Dispose();
}
num = null;
buffer = null;
}
catch
{
CloseVideoRoom();
}
}
}
private void StartTcpClient()
{
try
{
tcpClient = new TcpClient();
tcpClient.Connect(this.HostName, this.Port);
NetworkStream stream = tcpClient.GetStream();
var binary = new BinaryFormatter();
binary.Serialize(stream, (uint)ClientType.Receiver);
binary.Serialize(stream, GuidTransmitters.ToByteArray());
//Reader
Task.Factory.StartNew(() =>
{
var decoder = new OpenH264Lib.Decoder("openh264-2.0.0-win32.dll");
while (tcpClient?.Connected == true)
{
try
{
var bin = new BinaryFormatter();
var data = (byte[])bin.Deserialize(stream);
var bmp = decoder.Decode(data, data.Length);
if (bmp != null)
{
System.Windows.Application.Current?.Dispatcher?.Invoke(() =>
{
SetBmp(bmp);
this.InvalidateVisual();
});
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Failed read data. Ex: {ex.Message}");
}
}
});
//Writer
Task.Factory.StartNew(() =>
{
while (tcpClient?.Connected == true)
{
var data = sendData.Dequeue();
if (stream.CanWrite)
{
var bin = new BinaryFormatter();
bin.Serialize(stream, data);
}
else
{
sendData.Enqueue(data);
}
}
});
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Failed connection. Ex: {ex.Message}");
}
}