/// <summary>
/// 初期値
/// </summary>
/// <returns>
/// 初期値を格納して返します。
/// </returns>
public static TxPropertyRange Reset()
{
var result = new TxPropertyRange();
result.IsSupported = false;
result.Min = 0;
result.Max = 0;
result.SteppingDelta = 0;
result.DefaultValue = 0;
result.CapsFlag = 0;
result.Value = 0;
result.Flag = 0;
return result;
}
/// <summary>
/// 初期値
/// </summary>
/// <returns>
/// 初期値を格納して返します。
/// </returns>
public static TxPropertyRange Reset()
{
var result = new TxPropertyRange();
result.IsSupported = false;
result.Min = 0;
result.Max = 0;
result.SteppingDelta = 0;
result.DefaultValue = 0;
result.CapsFlag = 0;
result.Value = 0;
result.Flag = 0;
return(result);
}
/// <summary>
/// カメラ制御とビデオ品質制御
/// </summary>
public static void Sample14()
{
string __FUNCTION__ = MethodBase.GetCurrentMethod().Name;
Console.WriteLine(__FUNCTION__);
IGraphBuilder graph = null;
ICaptureGraphBuilder2 builder = null;
IBaseFilter videoSource = null;
IBaseFilter videoGrabber = null;
IBaseFilter videoRenderer = null;
var videoGrabberCB = new CxSampleGrabberCB();
try
{
#region グラフビルダーの生成:
{
// 必須:
graph = (IGraphBuilder)Axi.CoCreateInstance(GUID.CLSID_FilterGraph);
if (graph == null)
{
throw new System.IO.IOException("Failed to create a GraphBuilder.");
}
// 任意: 当例に於いては必須ではありませんが、後述のフィルタ接続を簡潔に記述できます.
builder = (ICaptureGraphBuilder2)Axi.CoCreateInstance(GUID.CLSID_CaptureGraphBuilder2);
if (builder == null)
{
throw new System.IO.IOException("Failed to create a GraphBuilder.");
}
builder.SetFiltergraph(graph);
}
#endregion
#region 像入力用: ソースフィルタを生成します.
{
videoSource = Axi.CreateFilter(GUID.CLSID_VideoInputDeviceCategory, null, 0);
if (videoSource == null)
{
throw new System.IO.IOException("Failed to create a videoSource.");
}
graph.AddFilter(videoSource, "VideoSource");
// フレームサイズを設定します.
// ※注) この操作は、ピンを接続する前に行う必要があります.
IPin pin = Axi.FindPin(videoSource, 0, PIN_DIRECTION.PINDIR_OUTPUT);
Axi.SetFormatSize(pin, 640, 480);
}
#endregion
#region 像捕獲用: サンプルグラバーを生成します.
{
videoGrabber = (IBaseFilter)Axi.CoCreateInstance(GUID.CLSID_SampleGrabber);
if (videoGrabber == null)
{
throw new System.IO.IOException("Failed to create a videoGrabber.");
}
graph.AddFilter(videoGrabber, "videoGrabber");
// サンプルグラバフィルタの入力形式設定.
// SetMediaType で必要なメディア タイプを指定します。
// http://msdn.microsoft.com/ja-jp/library/cc369546.aspx
// ※AM_MEDIA_TYPE 構造体のメンバをすべて設定する必要はない。
// ※デフォルトでは、サンプル グラバに優先メディア タイプはない。
// ※サンプル グラバを正しいフィルタに確実に接続するには、フィルタ グラフを作成する前にこのメソッドを呼び出す。
// majortype: http://msdn.microsoft.com/ja-jp/library/cc370108.aspx
// subtype : http://msdn.microsoft.com/ja-jp/library/cc371040.aspx
{
var grabber = (ISampleGrabber)videoGrabber;
var mt = new AM_MEDIA_TYPE();
mt.majortype = new Guid(GUID.MEDIATYPE_Video);
mt.subtype = new Guid(GUID.MEDIASUBTYPE_RGB24);
mt.formattype = new Guid(GUID.FORMAT_VideoInfo);
grabber.SetMediaType(mt);
grabber.SetBufferSamples(false); // サンプルコピー 無効.
grabber.SetOneShot(false); // One Shot 無効.
//grabber.SetCallback(videoGrabberCB, 0); // 0:SampleCB メソッドを呼び出すよう指示する.
grabber.SetCallback(videoGrabberCB, 1); // 1:BufferCB メソッドを呼び出すよう指示する.
}
}
#endregion
#region 像出力用: レンダラーを生成します.
{
videoRenderer = (IBaseFilter)Axi.CoCreateInstance(GUID.CLSID_NullRenderer);
if (videoRenderer == null)
{
throw new System.IO.IOException("Failed to create a videoRenderer.");
}
graph.AddFilter(videoRenderer, "videoRenderer");
}
#endregion
#region フィルタの接続:
if (builder != null)
{
unsafe
{
var mediatype = new Guid(GUID.MEDIATYPE_Video);
var hr = (HRESULT)builder.RenderStream(IntPtr.Zero, new IntPtr(&mediatype), videoSource, videoGrabber, videoRenderer);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
}
}
else
{
// ピンの取得.
IPin videoSourceOutput = Axi.FindPin(videoSource, 0, PIN_DIRECTION.PINDIR_OUTPUT);
IPin videoGrabberInput = Axi.FindPin(videoGrabber, 0, PIN_DIRECTION.PINDIR_INPUT);
IPin videoGrabberOutput = Axi.FindPin(videoGrabber, 0, PIN_DIRECTION.PINDIR_OUTPUT);
IPin videoRendererInput = Axi.FindPin(videoRenderer, 0, PIN_DIRECTION.PINDIR_INPUT);
// ピンの接続.
graph.Connect(videoSourceOutput, videoGrabberInput);
graph.Connect(videoGrabberOutput, videoRendererInput);
}
#endregion
// ------------------------------
#region カメラ制御:
Console.WriteLine("");
Console.WriteLine("CameraControlProperty");
{
#region 取得:
var watch = new Stopwatch();
watch.Start();
var ranges = new Dictionary <CameraControlProperty, TxPropertyRange>();
var control = Axi.GetInterface <IAMCameraControl>(graph);
foreach (CameraControlProperty prop in Enum.GetValues(typeof(CameraControlProperty)))
{
HRESULT hr;
var range = TxPropertyRange.Reset();
try
{
// レンジの取得.
hr = (HRESULT)control.GetRange(
prop,
ref range.Min,
ref range.Max,
ref range.SteppingDelta,
ref range.DefaultValue,
ref range.CapsFlag
);
if (hr < HRESULT.S_OK)
{
continue;
}
// 現在値の取得.
hr = (HRESULT)control.Get(
prop,
ref range.Value,
ref range.Flag
);
if (hr < HRESULT.S_OK)
{
continue;
}
range.IsSupported = true;
}
catch (System.Exception)
{
}
finally
{
ranges[prop] = range;
}
}
Console.WriteLine("Completed. {0:F3} msec", watch.Elapsed.TotalMilliseconds);
#endregion
#region 視覚的な確認の為の出力:
Console.WriteLine("--- {0,-22}: {1,5}, {2,5}, {3,6}, {4,4}, {5,5} ~ {6,5}",
"Name", "Value", "Def", "Flag", "Step", "Lower", "Upper");
foreach (var item in ranges)
{
var name = item.Key.ToString();
var range = item.Value;
if (range.IsSupported)
{
Console.WriteLine("[O] {0,-22}: {1,5}, {2,5}, 0x{3:X4}, {4,4}, {5,5} ~ {6,5}",
name,
range.Value,
range.DefaultValue,
range.CapsFlag,
range.SteppingDelta,
range.Min,
range.Max
);
}
else
{
Console.WriteLine("[-] {0,-22}:", name);
}
}
#endregion
}
#endregion
#region ビデオ品質制御:
Console.WriteLine("");
Console.WriteLine("VideoProcAmpProperty");
{
#region 取得:
var watch = new Stopwatch();
watch.Start();
var ranges = new Dictionary <VideoProcAmpProperty, TxPropertyRange>();
var control = Axi.GetInterface <IAMVideoProcAmp>(graph);
foreach (VideoProcAmpProperty prop in Enum.GetValues(typeof(VideoProcAmpProperty)))
{
HRESULT hr;
var range = TxPropertyRange.Reset();
try
{
// レンジ.
hr = (HRESULT)control.GetRange(
prop,
ref range.Min,
ref range.Max,
ref range.SteppingDelta,
ref range.DefaultValue,
ref range.CapsFlag
);
if (hr >= HRESULT.S_OK)
{
// 現在値.
hr = (HRESULT)control.Get(
prop,
ref range.Value,
ref range.Flag
);
if (hr >= HRESULT.S_OK)
{
range.IsSupported = true;
}
}
}
catch (System.Exception)
{
}
ranges[prop] = range;
}
Console.WriteLine("Completed. {0:F3} msec", watch.Elapsed.TotalMilliseconds);
#endregion
#region 視覚的な確認の為の出力:
Console.WriteLine("--- {0,-22}: {1,5}, {2,5}, {3,6}, {4,4}, {5,5} ~ {6,5}",
"Name", "Value", "Def", "Flag", "Step", "Lower", "Upper");
foreach (var item in ranges)
{
var name = item.Key.ToString();
var range = item.Value;
if (range.IsSupported)
{
Console.WriteLine("[O] {0,-22}: {1,5}, {2,5}, 0x{3:X4}, {4,4}, {5,5} ~ {6,5}",
name,
range.Value,
range.DefaultValue,
range.CapsFlag,
range.SteppingDelta,
range.Min,
range.Max
);
}
else
{
Console.WriteLine("[-] {0,-22}:", name);
}
}
#endregion
}
#endregion
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
#region 解放:
if (videoSource != null)
{
Marshal.ReleaseComObject(videoSource);
}
videoSource = null;
if (videoGrabber != null)
{
Marshal.ReleaseComObject(videoGrabber);
}
videoGrabber = null;
if (videoRenderer != null)
{
Marshal.ReleaseComObject(videoRenderer);
}
videoRenderer = null;
if (builder != null)
{
Marshal.ReleaseComObject(builder);
}
builder = null;
if (graph != null)
{
Marshal.ReleaseComObject(graph);
}
graph = null;
#endregion
}
}