/// <summary>
/// 初始化视频捕捉器
/// </summary>
private void iniVideoCapturer()
{
canvasBitmap = new Bitmap(VideoSize.Width, VideoSize.Height);
using (Graphics g = Graphics.FromImage(canvasBitmap))
g.FillRectangle(Brushes.Bisque, 0, 0, canvasBitmap.Width, canvasBitmap.Height);
gfx = cLocal.CreateGraphics();
gfx.DrawImage(canvasBitmap, 0, 0, canvasBitmap.Width, canvasBitmap.Height);
cam = new CamCapture();
var deviceList = cam.GetDeviceList(); //获得驱动列表
selectedDeviceMetrics = cam.SelectDevice(deviceList[0]); //获得尺寸大小
cam.SelectMetrics(selectedDeviceMetrics[0]);
bool res = cam.Start(); //开始捕捉视频
if (res == false)
{
//IMLibrary3.Global.MsgShow("没有可用的摄像头。");
}
metrics = cam.Metrics;//获得尺寸
encoder = new StreamCoders.Encoder.H264Encoder();
encoder.Framerate = 11;
encoder.SetInputResolution((uint)VideoSize.Width, (uint)VideoSize.Height);
encoder.IFrameFrequency = 40;
encoder.Bitrate = 128000;
encoder.PayloadType = 103;
res = encoder.Init();
if (res == false)
{
//IMLibrary3.Global.MsgShow("无法初始化视频编码器。");
return;
}
byte[] zeroBuffer = new byte[VideoSize.Width * VideoSize.Height * 3];
byte[] initData = encoder.EncodeToArray(zeroBuffer);
decoder = new StreamCoders.Decoder.H264Decoder();
decoder.SetInputResolution((uint)VideoSize.Width, (uint)VideoSize.Height);
decoder.SetInputFrameRate(11);
res = ((StreamCoders.Decoder.H264Decoder)decoder).Init(initData);
if (res == false)
{
//IMLibrary3.Global.MsgShow("无法初始化视频解码器。");
return;
}
timer1.Interval = (int)(1000.0 / 25);
timer1.Start();
}
private void timer1_Tick(object sender, EventArgs e)
{
if (cam != null)
{
byte[] buffer = cam.GetFrame();
if (buffer == null)
{
return;
}
Bitmap pBmp = StreamCoders.Tools.Visuals.ByteArrayToBitmap_RGB24((uint)metrics.Width, (uint)metrics.Height, buffer);
//Console.WriteLine("metrics.Width:" + metrics.Width.ToString()+ "metrics.Height:" + metrics.Height.ToString());
pBmp.RotateFlip(RotateFlipType.Rotate180FlipX);
using (Graphics g = Graphics.FromImage(canvasBitmap))
{
g.DrawImage(pBmp, 0, 0, canvasBitmap.Width, canvasBitmap.Height);
//g.DrawImage(pBmp, 0, 0, cLocal.Width,cLocal.Height);
gfx.DrawImage(canvasBitmap, new Point(0, 0));
}
}
Bitmap t1 = new Bitmap(canvasBitmap, new Size(VideoSize.Width, VideoSize.Height));
Bitmap temp = t1.Clone(new RectangleF(0, 0, VideoSize.Width, VideoSize.Height), PixelFormat.Format24bppRgb);
Rectangle dimension = new Rectangle(0, 0, temp.Width, temp.Height);
BitmapData picData = temp.LockBits(dimension, ImageLockMode.ReadWrite, temp.PixelFormat);
PixelFormat format = temp.PixelFormat;
IntPtr pixelStartAddress = picData.Scan0;
Byte[] rawData = new Byte[picData.Stride * VideoSize.Height];
System.Runtime.InteropServices.Marshal.Copy(pixelStartAddress, rawData, 0, rawData.Length);
temp.UnlockBits(picData);
Byte[] asmFrame = encoder.EncodeToArray(rawData);
if (asmFrame != null)
{
frameTransmit.sendData(IMLibrary3.Protocol.TransmitType.Video, asmFrame);//将视频数据编码后发送给对方
}
}
/// <summary>
/// 初始化视频捕捉器
/// </summary>
private void iniVideoCapturer()
{
canvasBitmap = new Bitmap(VideoSize.Width, VideoSize.Height);
using (Graphics g = Graphics.FromImage(canvasBitmap))
g.FillRectangle(Brushes.Bisque, 0, 0, canvasBitmap.Width, canvasBitmap.Height);
gfx = cLocal.CreateGraphics();
gfx.DrawImage(canvasBitmap, 0, 0, canvasBitmap.Width, canvasBitmap.Height);
cam = new CamCapture();
var deviceList = cam.GetDeviceList();//获得驱动列表
selectedDeviceMetrics = cam.SelectDevice(deviceList[0]);//获得尺寸大小
cam.SelectMetrics(selectedDeviceMetrics[0]);
bool res = cam.Start();//开始捕捉视频
if (res == false)
{
//IMLibrary3.Global.MsgShow("没有可用的摄像头。");
}
metrics = cam.Metrics;//获得尺寸
encoder = new StreamCoders.Encoder.H264Encoder();
encoder.Framerate = 11;
encoder.SetInputResolution((uint)VideoSize.Width, (uint)VideoSize.Height);
encoder.IFrameFrequency = 40;
encoder.Bitrate = 128000;
encoder.PayloadType = 103;
res = encoder.Init();
if (res == false)
{
//IMLibrary3.Global.MsgShow("无法初始化视频编码器。");
return;
}
byte[] zeroBuffer = new byte[VideoSize.Width * VideoSize.Height * 3];
byte[] initData = encoder.EncodeToArray(zeroBuffer);
decoder = new StreamCoders.Decoder.H264Decoder();
decoder.SetInputResolution((uint)VideoSize.Width, (uint)VideoSize.Height);
decoder.SetInputFrameRate(11);
res = ((StreamCoders.Decoder.H264Decoder)decoder).Init(initData);
if (res == false)
{
//IMLibrary3.Global.MsgShow("无法初始化视频解码器。");
return;
}
timer1.Interval = (int)(1000.0 / 25);
timer1.Start();
}
