public WebcamConfig()
{
volta:
string path = System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
path += @"\Agecom Soluções\Totem\user.config";
ExeConfigurationFileMap configMap = new ExeConfigurationFileMap();
configMap.ExeConfigFilename = path;
try
{
config = ConfigurationManager.OpenMappedExeConfiguration(configMap, ConfigurationUserLevel.None);
config_allkeys = config.AppSettings.Settings.AllKeys;
}
catch { try { System.IO.File.Delete(path); goto volta; } catch { } }
WebcamName = config_ler_valor("WebcamName", "------");
string _Resolution = config_ler_valor("Resolution", "800x600");
if (_Resolution.ToUpper().Contains("X"))
{
Resolution = new Camera_NET.Resolution(Convert.ToInt32(_Resolution.ToUpper().Split('X')[0]),
Convert.ToInt32(_Resolution.ToUpper().Split('X')[1]));
}
Focus = config_ler_valor("Focus", "Auto");
Zoom = Convert.ToInt32(config_ler_valor("Zoom", "100"));
Exposure = Convert.ToInt32(config_ler_valor("Exposure", "0"));
Brightness = Convert.ToInt32(config_ler_valor("Brightness", "0"));
Contrast = Convert.ToInt32(config_ler_valor("Contrast", "0"));
BacklightCompensation = Convert.ToInt32(config_ler_valor("BacklightCompensation", "0"));
Gain = Convert.ToInt32(config_ler_valor("Gain", "0"));
Gamma = Convert.ToInt32(config_ler_valor("Gamma", "0"));
}
private static void SetSourceParams(IPin pinSourceCapture, Camera_NET.Resolution resolution_desired)
{
AMMediaType pmt = null;
AMMediaType ppmt = null;
IntPtr zero = IntPtr.Zero;
bool flag = false;
try
{
IAMStreamConfig config = pinSourceCapture as IAMStreamConfig;
DsError.ThrowExceptionForHR(config.SetFormat(null));
int piCount = 0;
int piSize = 0;
DsError.ThrowExceptionForHR(config.GetNumberOfCapabilities(out piCount, out piSize));
for (int i = 0; i < piCount; i++)
{
zero = Marshal.AllocCoTaskMem(piSize);
config.GetStreamCaps(i, out ppmt, zero);
FreeSCCMemory(ref zero);
bool flag2 = false;
bool flag3 = false;
bool flag4 = false;
AnalyzeMediaType(ppmt, resolution_desired, out flag2, out flag3, out flag4);
if (flag2 && flag4)
{
if (flag3)
{
DsError.ThrowExceptionForHR(config.SetFormat(ppmt));
flag = true;
break;
}
if (pmt == null)
{
pmt = ppmt;
ppmt = null;
}
}
FreeMediaType(ref ppmt);
}
if (!flag)
{
if (pmt == null)
{
throw new Exception("Camera doesn't support media type with requested resolution and bits per pixel.");
}
DsError.ThrowExceptionForHR(config.SetFormat(pmt));
}
}
catch
{
throw;
}
finally
{
FreeMediaType(ref ppmt);
FreeMediaType(ref pmt);
FreeSCCMemory(ref zero);
}
}
private static void AnalyzeMediaType(AMMediaType media_type, Camera_NET.Resolution resolution_desired, out bool bit_count_ok, out bool sub_type_ok, out bool resolution_ok)
{
short bitCountForMediaType = GetBitCountForMediaType(media_type);
bit_count_ok = IsBitCountAppropriate(bitCountForMediaType);
sub_type_ok = ((((media_type.subType == MediaSubType.RGB32) || (media_type.subType == MediaSubType.ARGB32)) || ((media_type.subType == MediaSubType.RGB24) || (media_type.subType == MediaSubType.RGB16_D3D_DX9_RT))) || (media_type.subType == MediaSubType.RGB16_D3D_DX7_RT)) || (media_type.subType == MediaSubType.YUY2);
resolution_ok = IsResolutionAppropiate(media_type, resolution_desired);
}
private void PostActions_Renderer()
{
int num2;
int num3;
int num4;
int num5;
DsError.ThrowExceptionForHR(this.DX.WindowlessCtrl.GetNativeVideoSize(out num2, out num3, out num4, out num5));
this._Resolution = new Camera_NET.Resolution(num2, num3);
this.DX.MixerBitmap = (IVMRMixerBitmap9)this.DX.VMRenderer;
}
private static bool IsResolutionAppropiate(AMMediaType media_type, Camera_NET.Resolution resolution_desired)
{
if (resolution_desired != null)
{
VideoInfoHeader structure = new VideoInfoHeader();
Marshal.PtrToStructure(media_type.formatPtr, structure);
if ((resolution_desired.Width > 0) && (structure.BmiHeader.Width != resolution_desired.Width))
{
return(false);
}
if ((resolution_desired.Height > 0) && (structure.BmiHeader.Height != resolution_desired.Height))
{
return(false);
}
}
return(true);
}
public void SetCamera(IMoniker moniker, Camera_NET.Resolution resolution)
{
this.CloseCamera();
if (moniker != null)
{
this._Camera = new Camera_NET.Camera();
if (!string.IsNullOrEmpty(this._DirectShowLogFilepath))
{
this._Camera.DirectShowLogFilepath = this._DirectShowLogFilepath;
}
if (resolution != null)
{
this._Camera.Resolution = resolution;
}
this._Camera.Initialize(this, moniker);
this._Camera.BuildGraph();
this._Camera.RunGraph();
this._Camera.OutputVideoSizeChanged += new EventHandler(this.Camera_OutputVideoSizeChanged);
}
}
