void mic_FrameAvailable(object sender, HCS_Encoder.AudioDataEventArgs e)
{
if (working) return;
if (e.Samples.Length < 1) return;
working = true;
Bitmap bmp = new Bitmap(640, 240);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.Black);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
List<PointF> points = new List<PointF>();
try {
double dx = 640.0 / e.Samples.Length;
double ty = 120.0;
double dy = 1.0 / 320.0;
int sw = e.Samples.Length / 640;
for (int i = 0; i < e.Samples.Length; i += sw) {
float x = (float)(i * dx);
float y = (float)(ty + (e.Samples[i] * dy));
points.Add(new PointF(x, y));
}
g.DrawLine(red_pen, 0, (float)(ty + (short.MinValue * dy)), 640, (float)(ty + (short.MinValue * dy)));
g.DrawLine(red_pen, 0, (float)(ty + (short.MaxValue * dy)), 640, (float)(ty + (short.MaxValue * dy)));
g.DrawLines(white_pen, points.ToArray());
} catch { }
g.Dispose();
pictureBox1.Image = bmp;
this.Invalidate();
working = false;
}
public VideoPreview(HCS_Encoder.VideoCapture CaptureDevice)
{
InitializeComponent();
cam = CaptureDevice;
cam.FrameAvailable += new EventHandler<HCS_Encoder.VideoDataEventArgs>(cam_FrameAvailable);
this.SetClientSizeCore(cam.TargetFrameSize.Width, cam.TargetFrameSize.Height);
cam.Start();
}
public AudioPreview(HCS_Encoder.AudioCapture CaptureDevice)
{
InitializeComponent();
mic = CaptureDevice;
mic.FrameAvailable += new EventHandler<HCS_Encoder.AudioDataEventArgs>(mic_FrameAvailable);
this.SetClientSizeCore(640, 240);
mic.Start();
}
void cam_FrameAvailable(object sender, HCS_Encoder.VideoDataEventArgs e)
{
if (working) return;
working = true;
e.Frame.RotateFlip(RotateFlipType.RotateNoneFlipY);
Bitmap newImg = new Bitmap(e.Frame);
pictureBox1.Image = newImg;
this.Invalidate();
working = false;
}
