public void Initialize(int deviceNum)
{
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
return;
}
DsDevice dev = null;
if (capDevices.Count >= 1)
{
dev = capDevices[deviceNum] as DsDevice;
}
if (dev == null)
{
return;
}
StartupVideo(dev.Mon);
}
public static ArrayList GetAudioDevices()
{
ArrayList audioDevs;
DsDev.GetDevicesOfCat(FilterCategory.AudioInputDevice, out audioDevs);
return(audioDevs);
}
public VideoInfoHeader StartProvider(bool preview, ISampleGrabberCB samplegrabber, IntPtr owner)
{
int hr;
VideoInfoHeader rv;
try
{
if (!DsUtils.IsCorrectDirectXVersion())
{
throw new Exception("At least DirectX 8.1 is required!");
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
throw new Exception("Could not retrieve the list of capture devices!");
}
if (capDevices.Count == 0)
{
throw new Exception("Capture Sample Provider is not applicable!");
}
DsDevice device = null;
if (capDevices.Count == 1)
{
device = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog();
device = selector.SelectedDevice;
}
if (device == null)
{
throw new Exception("No video capture device could be selected!");
}
CreateCaptureDevice(device.Mon);
GetInterfaces();
rv = SetupGraph(preview, samplegrabber);
SetupVideoWindow(owner);
hr = mediaCtrl.Run();
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
}
catch (Exception ee)
{
throw new Exception("Could not start video stream\r\n" + ee.Message);
}
return(rv);
}
//----------------<
//STATIC
public static ArrayList GetVideoDevices()
{
ArrayList videoDevs;
DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out videoDevs);
return(videoDevs);
}
/// <summary> detect first form appearance, start grabber. </summary>
//private void MainForm_Activated(object sender, System.EventArgs e)
private void mainformactive()
{
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 NOT installed!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
//this.Close();
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
if (!StartupVideo(dev.Mon))
{
//{ this.Close();
//return;
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
}
/// <summary> detect first form appearance, start capturing. </summary>
private void MainForm_Activated(object sender, System.EventArgs e)
{
if (firstActived)
{
return;
}
firstActived = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 or higher NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
SaveFileDialog sd = new SaveFileDialog();
sd.FileName = @"MotionCapture.avi";
sd.Title = "Save Video Stream as...";
sd.Filter = "Video file (*.avi)|*.avi";
sd.FilterIndex = 1;
if (sd.ShowDialog() != DialogResult.OK)
{
this.Close(); return;
}
fileName = sd.FileName;
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
this.Close(); return;
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
this.Text += " - capturing -";
}
public bool StartCamera()
{
if (firstActive)
{
return(false);
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
System.Windows.Forms.MessageBox.Show("DirectX 8.1 NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
return(false);
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
System.Windows.Forms.MessageBox.Show("No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return(false);
}
//SaveFileDialog sd = new SaveFileDialog();
//sd.FileName = @"CaptureNET.avi";
//sd.Title = "Save Video Stream as...";
//sd.Filter = "Video file (*.avi)|*.avi";
//sd.FilterIndex = 1;
//if (sd.ShowDialog() != DialogResult.OK)
//{ this.Close(); return false; }
fileName = "c:\\a.avi";
DsDevice dev = null;
//if (capDevices.Count == 1)
// dev = capDevices[0] as DsDevice;
//else
//{
// DeviceSelector selector = new DeviceSelector(capDevices);
// selector.ShowDialog(this);
// dev = selector.SelectedDevice;
//}
dev = capDevices[1];
if (dev == null)
{
this.Close(); return(false);
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
return(true);
}
/// <summary>
/// 获取当前用户可用的所有音频设备
/// </summary>
/// <returns></returns>
public static DsDevice[] GetAllAudioDevice()
{
ArrayList arrayList = new ArrayList();
DsDev.GetDevicesOfCat(FilterCategory.AudioInputDevice, out arrayList);
DsDevice[] dsArray = new DsDevice[arrayList.Count];
for (int i = 0; i < arrayList.Count; i++)
{
dsArray[i] = arrayList[i] as DsDevice;
}
return(dsArray);
}
public void getDevices()
{
DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices);
// устройств несколько необходимо предусмотреть укзанаие с какого устройства выполнять распознаваниае
if (capDevices.Count >= 0)
{
ListViewItem item = null;
foreach (DsDevice dev in capDevices)
{
item = new ListViewItem(dev.Name);
item.Tag = dev;
SelectedDevice = item.Tag as DsDevice;
}
}
}
/// <summary>
/// 获取当前用户可用的所有摄像头数组
/// </summary>
/// <returns>返回当前用户可用的摄像头数组，若没有找到摄像头，则会抛出异常</returns>
public static DsDevice[] GetAllVideoDevice()
{
ArrayList capDevices = new ArrayList();
DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices); //读摄像头信息
if (capDevices == null || capDevices.Count == 0) //如果摄像头不存在则抛出异常
{
//throw new Exception("未找到摄像头设备！");
return(new DsDevice[0]);
}
DsDevice[] dsArray = new DsDevice[capDevices.Count];
for (int i = 0; i < capDevices.Count; i++)
{
dsArray[i] = capDevices[i] as DsDevice;
}
return(dsArray);
}
/// <summary> detect first form appearance, start grabber. </summary>
private void MainForm_Activated(object sender, System.EventArgs e)
{
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
this.Close(); return;
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
}
public static DsDevice[] GetDevices()
{
ArrayList devices;
if (!DsUtils.IsCorrectDirectXVersion())
{
_logger.Error("DirectX 8.1 NOT installed!");
devices = new ArrayList();
// throw new Exception("DirectX 8.1 NOT installed!");
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out devices))
{
//throw new Exception("No video capture devices found!");
_logger.Error("No video capture devices found!");
devices = new ArrayList();
}
return((DsDevice[])devices.ToArray(typeof(DsDevice)));
}
// SaveFileDialog sd;
public void getDevices()
{
DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices);
if (capDevices.Count >= 1)
{
ListViewItem item = null;
foreach (DsDevice dev in capDevices)
{
item = new ListViewItem(dev.Name);
item.Tag = dev;
lvDev.Items.Add(item);
}
}
if (capDevices.Count == 1)
{
ListViewItem selItem = lvDev.Items[0];
SelectedDevice = selItem.Tag as DsDevice;
}
}
private string GetParams(bool is_push)
{
var builder = new StringBuilder();
int showflag = 0;
if (_sourceType == TargetType.File)
{
builder.AppendFormat(" -re -i \"{0}\"", _source);
}
if (_sourceType == TargetType.Live)
{
builder.Append(" -i");
builder.AppendFormat(
-1 < _source.IndexOf("live=1", StringComparison.OrdinalIgnoreCase) ? " \"{0}\" live=1" : " \"{0}\"",
_source);
}
if (_sourceType == TargetType.Directshow)
{
//如果输入是设备开始获取设备名称
if (DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices, out _dsshow))
{
//获取正常
_dsshowname = "\"" + _dsshow + "\"";
_dest = " -f dshow -i video=" + _dsshowname + " -vcodec libx264 -preset:v ultrafast -tune:v zerolatency -f flv " + _dest + "";
builder.Append(_dest);
}
else
{
Console.WriteLine("No video capture devices found!");
showflag = 1;
builder.Clear();
}
}
if (_sourceType != TargetType.Directshow)
{
if (_sourceType == TargetType.File)
{
if (_filters.Any(x => x.Name.Equals("Segment", StringComparison.OrdinalIgnoreCase)))
{
var filter = _filters.First(x => x.Name.Equals("Segment", StringComparison.OrdinalIgnoreCase));
_filters.Remove(filter);
}
}
if (!_filters.Any(x => x.Name.Equals("x264", StringComparison.OrdinalIgnoreCase)))
{
//builder.Append(" -vcodec copy");
}
builder.Append(" -acodec copy");
if (_destType == TargetType.Live)
{
if (!_filters.Any(x => x.Name.Equals("AudioRate", StringComparison.OrdinalIgnoreCase)))
{
//_filters.Add(new AudioRatelFilter(44100));
}
if (!_filters.Any(x => x.Name.Equals("AudioBitrate", StringComparison.OrdinalIgnoreCase)))
{
//_filters.Add(new AudioBitrateFilter(320));
}
}
if (_sourceType != TargetType.Directshow)
{
var sourcefile = new MediaStream(_source, is_push);
foreach (var filter in _filters.OrderBy(x => x.Rank))
{
filter.Source = sourcefile;
builder.Append(filter.Execute());
}
}
if (_destType == TargetType.File)
{
var dir = Path.GetDirectoryName(_dest);
if (string.IsNullOrWhiteSpace(dir))
{
throw new ApplicationException("output directory error.");
}
var fileName = Path.GetFileNameWithoutExtension(_dest);
if (string.IsNullOrWhiteSpace(fileName))
{
throw new ApplicationException("output filename is null");
}
var code = GuessCode(_dest);
if (!_filters.Any(x => x.Name.Equals("Segment", StringComparison.OrdinalIgnoreCase)))
{
// out%d.mp4
builder.AppendFormat(" {0}{1}%d{2}", dir, fileName, code.Extension);
}
}
if (_destType == TargetType.Live)
{
builder.AppendFormat(" -f flv \"{0}\"", _dest);
}
}
return(builder.ToString());
}
public void Capture_video()
{
if (firstActive)
{
firstActive = true;
CloseInterfaces();
//this.Close();
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
SaveFileDialog sd = new SaveFileDialog();
sd.FileName = DateTime.Now.ToString("yyMMdd hh-mm-ss");
sd.Title = "Save Video Stream as...";
sd.Filter = "Video file (*.avi)|*.avi";
sd.FilterIndex = 1;
sd.InitialDirectory = "C:\\temp\\autobot7\\";
Thread.Sleep(2000);
System.Windows.Forms.SendKeys.Send("{ENTER}");
if (sd.ShowDialog() != DialogResult.OK)
{
this.Close(); return;
}
fileName = sd.FileName;
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
this.Close(); return;
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
this.Text = "save" + fileName + "..........";
}
public void InitVideoCapture(int videoDeviceID, FrameRate framerate, Resolution resolution,
ImageFormat format, bool grayscale)
{
if (cameraInitialized)
{
return;
}
this.resolution = resolution;
this.grayscale = grayscale;
this.frameRate = framerate;
this.videoDeviceID = videoDeviceID;
this.format = format;
switch (resolution)
{
case Resolution._160x120:
cameraWidth = 160;
cameraHeight = 120;
break;
case Resolution._320x240:
cameraWidth = 320;
cameraHeight = 240;
break;
case Resolution._640x480:
cameraWidth = 640;
cameraHeight = 480;
break;
case Resolution._800x600:
cameraWidth = 800;
cameraHeight = 600;
break;
case Resolution._1024x768:
cameraWidth = 1024;
cameraHeight = 768;
break;
case Resolution._1280x1024:
cameraWidth = 1280;
cameraHeight = 1024;
break;
case Resolution._1600x1200:
cameraWidth = 1600;
cameraHeight = 1200;
break;
}
if (!DsUtils.IsCorrectDirectXVersion())
{
throw new GoblinException("DirectX 8.1 NOT installed!");
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
throw new GoblinException("No video capture devices found!");
}
DsDevice dev = null;
if (videoDeviceID >= capDevices.Count)
{
String suggestion = "Try the following device IDs:";
for (int i = 0; i < capDevices.Count; i++)
{
suggestion += " " + i + ":" + ((DsDevice)capDevices[i]).Name + ", ";
}
throw new GoblinException("VideoDeviceID " + videoDeviceID + " is out of the range. "
+ suggestion);
}
dev = (DsDevice)capDevices[videoDeviceID];
selectedVideoDeviceName = ((DsDevice)capDevices[videoDeviceID]).Name;
if (dev == null)
{
throw new GoblinException("This video device cannot be accessed");
}
StartupVideo(dev.Mon);
cameraInitialized = true;
}
/// <summary> detect first form appearance, start grabber. </summary>
/// <fixme> There are three paths to activation:
/// One opens a media file whose name is specified in the dsshost.exe.config file,
/// another assumes that a particular video card is present,
/// and the third asks the user to select a video input source.
/// This module really only works for the first two paths.
/// </fixme>
public void Activate()
{
IMoniker moniker;
IMoniker devmoniker;
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
LogInfo(LogGroups.Console, "DirectX 8.1 NOT installed!");
//this.Close();
return;
}
try
{
if (videoSource.Equals("File", StringComparison.CurrentCultureIgnoreCase))
{
LogInfo(LogGroups.Console, "File to play : " + filePath);
//capFilter = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.WM_ASF_Reader);
}
else if (videoSource.Equals("Analog", StringComparison.CurrentCultureIgnoreCase))
{
atiCrossbar = (IBaseFilter)DsDev.CreateFromMoniker(ATICrossbar);
capFilter = (IBaseFilter)DsDev.CreateFromMoniker(ATICapture);
atiTVCardFound = true;
}
else // digital camera, may be a webcam
{
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
LogInfo(LogGroups.Console, "No video capture devices found!");
return;
}
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
//DeviceSelector selector = new DeviceSelector(capDevices);
//selector.ShowDialog();
//dev = selector.SelectedDevice;
dev = capDevices[0] as DsDevice;
}
if (dev == null)
{
LogInfo(LogGroups.Console, "Cannot use first capture device found.");
return;
}
CreateCaptureDevice(dev.Mon);
}
StartupVideo();
}
catch (Exception ex)
{
LogInfo(LogGroups.Console, "Filter Graph can't start : " + ex.Message);
}
}
public ArrayList GetDeviceList()
{
DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices);
return(capDevices);
}