/// <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
}
}
/// <summary>
/// カメラから画像を取り込み、動画ファイル(wmv)へ保存する処理
/// </summary>
/// <remarks>
/// WMV 形式で保存する場合は映像と音声の両方が必要です。<br/>
/// <br/>
/// RenderStream (NULL, MEDIATYPE_Audio, audio, null, renderner)<br/>
/// RenderStream (NULL, MEDIATYPE_Video, video, grabber, renderner)<br/>
/// <pre>
/// audio renderer
/// +-------+ +-------+
/// | 0 ----------------- 0 |
/// +-------+ | |
/// video grabber | |
/// +-------+ +-------+ | |
/// | 0 --- 0 0 --- 1 |
/// | 1 | | +-------+
/// +-------+ +-------+
/// </pre>
/// ※ 本例では grabber は省略しています。<br/>
/// </remarks>
public static void Sample13()
{
string __FUNCTION__ = MethodBase.GetCurrentMethod().Name;
Console.WriteLine(__FUNCTION__);
IGraphBuilder graph = null;
ICaptureGraphBuilder2 builder = null;
IBaseFilter videoSource = null;
IBaseFilter audioSource = null;
IBaseFilter videoRenderer = null;
IFileSinkFilter fileSink = null;
string filename = Path.Combine(Results, __FUNCTION__ + ".wmv");
var frameSize = new Size(640, 480);
try
{
#region グラフビルダーの生成:
{
graph = (IGraphBuilder)Axi.CoCreateInstance(GUID.CLSID_FilterGraph);
if (graph == null)
{
throw new System.IO.IOException("Failed to create a GraphBuilder.");
}
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, frameSize.Width, frameSize.Height);
}
#endregion
#region 音声入力用: ソースフィルタを生成します.
{
audioSource = Axi.CreateFilter(GUID.CLSID_AudioInputDeviceCategory, null, 0);
if (audioSource == null)
{
throw new System.IO.IOException("Failed to create a audioSource.");
}
graph.AddFilter(audioSource, "audioSource");
}
#endregion
#region 像出力用: 保存する動画ファイル名を設定します.
unsafe
{
// 動画ファイルを保存する設定:
var filetype = new Guid(GUID.MEDIASUBTYPE_Asf);
HRESULT hr = (HRESULT)builder.SetOutputFileName(new IntPtr(&filetype), filename, ref videoRenderer, ref fileSink);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
/*
* Capturing Video to a Windows Media File
* https://msdn.microsoft.com/en-us/library/windows/desktop/dd318630(v=vs.85).aspx
*/
var config = (IConfigAsfWriter)videoRenderer;
// WMProfile
{
// WMProfile_V80_256Video が取得されます.
Guid currentProfileGuid;
hr = (HRESULT)config.GetCurrentProfileGuid(out currentProfileGuid);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
// WMProfile_V80_BESTVBRVideo に書き替えます.
Guid newProfileGuid = new Guid(GUID.WMProfile_V80_BESTVBRVideo);
hr = (HRESULT)config.ConfigureFilterUsingProfileGuid(newProfileGuid);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
}
}
#endregion
#region フィルタの接続:
unsafe
{
HRESULT hr;
// フィルタの接続: (映像入力)
var mediatype_video = new Guid(GUID.MEDIATYPE_Video);
hr = (HRESULT)builder.RenderStream(IntPtr.Zero, new IntPtr(&mediatype_video), videoSource, null, videoRenderer);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
// フィルタの接続: (音声入力)
var mediatype_audio = new Guid(GUID.MEDIATYPE_Audio);
hr = (HRESULT)builder.RenderStream(IntPtr.Zero, new IntPtr(&mediatype_audio), audioSource, null, videoRenderer);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
}
#endregion
#region 像出力用: 保存する動画ファイルのフレームサイズを設定します.
unsafe
{
/*
* Capturing Video to a Windows Media File
* https://msdn.microsoft.com/en-us/library/windows/desktop/dd318630(v=vs.85).aspx
*/
var config = (IConfigAsfWriter)videoRenderer;
// フレームサイズの変更:
Axi.SetVideoFrameSize(config, frameSize);
}
#endregion
// ------------------------------
#region 取り込み処理:
{
var mediaControl = (IMediaControl)graph;
var mediaEvent = (IMediaEvent)graph;
var watch = new Stopwatch();
watch.Start();
// 露光開始.
Console.WriteLine("Run ...");
{
HRESULT hr;
int state;
hr = (HRESULT)mediaControl.Run();
hr = (HRESULT)mediaControl.GetState(1000, out state);
}
Console.WriteLine("Running ... {0:F3} msec", watch.Elapsed.TotalMilliseconds);
// 取り込み待機.
while (watch.ElapsedMilliseconds < 5000)
{
System.Threading.Thread.Sleep(1);
}
// 露光停止.
Console.WriteLine("Stop ... {0:F3} msec", watch.Elapsed.TotalMilliseconds);
{
HRESULT hr;
int state;
hr = (HRESULT)mediaControl.Stop();
hr = (HRESULT)mediaControl.GetState(1000, out state);
}
Console.WriteLine("Completed. {0:F3} msec", watch.Elapsed.TotalMilliseconds);
}
#endregion
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
#region 解放:
if (videoSource != null)
{
Marshal.ReleaseComObject(videoSource);
}
videoSource = null;
if (videoRenderer != null)
{
Marshal.ReleaseComObject(videoRenderer);
}
videoRenderer = null;
if (fileSink != null)
{
Marshal.ReleaseComObject(fileSink);
}
fileSink = null;
if (builder != null)
{
Marshal.ReleaseComObject(builder);
}
builder = null;
if (graph != null)
{
Marshal.ReleaseComObject(graph);
}
graph = null;
#endregion
}
}
/// <summary>
/// カメラの接続
/// </summary>
/// <param name="filterInfo"></param>
/// <param name="pinno"></param>
/// <param name="frameSize"></param>
private void Camera_Connect(CxFilterInfo filterInfo, int pinno, Size frameSize)
{
#region グラフビルダーの生成:
{
Graph = (IGraphBuilder)Axi.CoCreateInstance(GUID.CLSID_FilterGraph);
if (Graph == null)
{
throw new System.IO.IOException("Failed to create a GraphBuilder.");
}
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, filterInfo.CLSID, filterInfo.Index);
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, pinno, PIN_DIRECTION.PINDIR_OUTPUT);
Axi.SetFormatSize(pin, frameSize.Width, frameSize.Height);
}
#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:
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);
}
}
#endregion
// 同期用: サンプルグラバーのイベント登録:
VideoGrabberCB.Enable = true;
VideoGrabberCB.Notify += VideoGrabberCB_Notify;
VideoInfoHeader = Axi.GetVideoInfo((ISampleGrabber)VideoGrabber);
// カメラ制御インターフェースの抽出.
CameraControl = Axi.GetInterface <IAMCameraControl>(this.Graph);
}
/// <summary>
/// カメラから画像を取り込み、動画ファイル(avi)へ保存する処理
/// </summary>
/// <remarks>
/// AVI 形式で保存する場合は音声入力は省略可能です。<br/>
/// <br/>
/// RenderStream (NULL, MEDIATYPE_Video, source, grabber, renderner)<br/>
/// <pre>
/// source grabber renderer
/// +-------+ +-------+ +-------+
/// | 0 --- 0 0 --- 0 |
/// | 1 | | | |
/// +-------+ +-------+ +-------+
/// </pre>
/// ※ 本例では grabber は省略しています。<br/>
/// </remarks>
public static void Sample12()
{
string __FUNCTION__ = MethodBase.GetCurrentMethod().Name;
Console.WriteLine(__FUNCTION__);
IGraphBuilder graph = null;
ICaptureGraphBuilder2 builder = null;
IBaseFilter videoSource = null;
IBaseFilter videoRenderer = null;
IFileSinkFilter fileSink = null;
string filename = Path.Combine(Results, __FUNCTION__ + ".avi");
try
{
#region グラフビルダーの生成:
{
graph = (IGraphBuilder)Axi.CoCreateInstance(GUID.CLSID_FilterGraph);
if (graph == null)
{
throw new System.IO.IOException("Failed to create a GraphBuilder.");
}
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 像出力用: 保存する動画ファイル名を設定します.
unsafe
{
// 動画ファイルを保存する設定:
var filetype = new Guid(GUID.MEDIASUBTYPE_Avi);
HRESULT hr = (HRESULT)builder.SetOutputFileName(new IntPtr(&filetype), filename, ref videoRenderer, ref fileSink);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
}
#endregion
#region フィルタの接続:
unsafe
{
// フィルタの接続:
var mediatype = new Guid(GUID.MEDIATYPE_Video);
HRESULT hr = (HRESULT)builder.RenderStream(IntPtr.Zero, new IntPtr(&mediatype), videoSource, null, videoRenderer);
if (hr < HRESULT.S_OK)
{
throw new CxDSException(hr);
}
}
#endregion
// ------------------------------
#region 取り込み処理:
{
var mediaControl = (IMediaControl)graph;
var mediaEvent = (IMediaEvent)graph;
var watch = new Stopwatch();
watch.Start();
// 露光開始.
Console.WriteLine("Run ...");
{
HRESULT hr;
int state;
hr = (HRESULT)mediaControl.Run();
hr = (HRESULT)mediaControl.GetState(1000, out state);
}
Console.WriteLine("Running ... {0:F3} msec", watch.Elapsed.TotalMilliseconds);
// 取り込み待機.
while (watch.ElapsedMilliseconds < 3000)
{
System.Threading.Thread.Sleep(1);
}
// 露光停止.
Console.WriteLine("Stop ... {0:F3} msec", watch.Elapsed.TotalMilliseconds);
{
HRESULT hr;
int state;
hr = (HRESULT)mediaControl.Stop();
hr = (HRESULT)mediaControl.GetState(1000, out state);
}
Console.WriteLine("Completed. {0:F3} msec", watch.Elapsed.TotalMilliseconds);
}
#endregion
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
#region 解放:
if (videoSource != null)
{
Marshal.ReleaseComObject(videoSource);
}
videoSource = null;
if (videoRenderer != null)
{
Marshal.ReleaseComObject(videoRenderer);
}
videoRenderer = null;
if (fileSink != null)
{
Marshal.ReleaseComObject(fileSink);
}
fileSink = null;
if (builder != null)
{
Marshal.ReleaseComObject(builder);
}
builder = null;
if (graph != null)
{
Marshal.ReleaseComObject(graph);
}
graph = null;
#endregion
}
}
/// <summary>
/// カメラから画像を取り込む処理
/// </summary>
/// <remarks>
/// この方法が最も単純です。<br/>
/// <br/>
/// RenderStream (NULL, MEDIATYPE_Video, source, grabber, renderner)<br/>
/// <pre>
/// source grabber renderer
/// +-------+ +-------+ +-------+
/// | 0 --- 0 0 --- 0 |
/// | 1 | | | |
/// +-------+ +-------+ +-------+
/// </pre>
/// </remarks>
public static void Sample11()
{
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 取り込み処理:
{
var mediaControl = (IMediaControl)graph;
// 映像サイズの取得.
var vih = Axi.GetVideoInfo((ISampleGrabber)videoGrabber);
var images = new List <Bitmap>();
var watch = new Stopwatch();
watch.Start();
// 取り込み処理.
videoGrabberCB.Notify += delegate(object _sender, CxSampleGrabberEventArgs _e)
{
Console.WriteLine("{0}: SampleTime={1:F6}", images.Count, _e.SampleTime);
images.Add(_e.ToImage(vih));
};
// 露光開始.
Console.WriteLine("Run ...");
{
HRESULT hr;
int state;
hr = (HRESULT)mediaControl.Run();
hr = (HRESULT)mediaControl.GetState(1000, out state);
}
Console.WriteLine("Running ... {0:F3} msec", watch.Elapsed.TotalMilliseconds);
// 取り込み待機.
while (watch.ElapsedMilliseconds < 3000)
{
System.Threading.Thread.Sleep(1);
}
// 露光停止.
Console.WriteLine("Stop ... {0:F3} msec", watch.Elapsed.TotalMilliseconds);
{
HRESULT hr;
int state;
hr = (HRESULT)mediaControl.Stop();
hr = (HRESULT)mediaControl.GetState(1000, out state);
}
// 確認用:
Console.WriteLine("Save ... {0:F3} msec", watch.Elapsed.TotalMilliseconds);
{
string subdir = Path.Combine(Results, __FUNCTION__);
if (Directory.Exists(subdir) == false)
{
Directory.CreateDirectory(subdir);
}
for (int i = 0; i < images.Count; i++)
{
var filename = string.Format("image{0}.png", i);
images[i].Save(Path.Combine(subdir, filename));
}
}
Console.WriteLine("Completed. {0:F3} msec", watch.Elapsed.TotalMilliseconds);
}
#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
}
}
/// <summary>
/// 接続されているデバイスを列挙する処理
/// </summary>
/// <remarks>
/// <pre>
/// in filter out
/// +--------+ +--------+ +--------+
/// | | --- 0 0 --- | |
/// +--------+ | | +--------+
/// | | +--------+
/// | 1 --- | |
/// +--------+ +--------+
/// </pre>
/// </remarks>
public static void Sample01()
{
string __FUNCTION__ = MethodBase.GetCurrentMethod().Name;
Console.WriteLine(__FUNCTION__);
try
{
#region 像入力デバイスの一覧: (カメラ等)
{
var category = new Guid(GUID.CLSID_VideoInputDeviceCategory);
var filterInfos = Axi.GetFilterList(category);
Console.WriteLine("Video Input Devices ({0})", filterInfos.Count);
for (int iii = 0; iii < filterInfos.Count; iii++)
{
// フィルタ情報:
var filterInfo = filterInfos[iii];
Console.WriteLine("|- {0}", iii);
Console.WriteLine("| |- {0}", filterInfo.Name);
Console.WriteLine("| |- {0} ({1})", filterInfo.CLSID, filterInfo.Index);
IBaseFilter filter = null;
try
{
filter = Axi.CreateFilter(category, filterInfo.CLSID, filterInfo.Index);
#region ピン情報:
var pinInfos = Axi.GetPinList(filter);
int outpin_num = 0;
Console.WriteLine("| |- {0} ({1})", "Pins", pinInfos.Count);
for (int ppp = 0; ppp < pinInfos.Count; ppp++)
{
var pinInfo = pinInfos[ppp];
Console.WriteLine("| | |- {0}: {1,-15} = {2}", ppp, pinInfo.Direction, pinInfo.Name);
if (pinInfo.Direction == PIN_DIRECTION.PINDIR_OUTPUT)
{
outpin_num++;
}
}
#endregion
#region フォーマット情報: (※出力ピンに限定しています)
Console.WriteLine("| | |- {0}", "Outpin Details");
for (int outpin_index = 0; outpin_index < outpin_num; outpin_index++)
{
IPin pin = null;
try
{
// 出力ピンからフォーマット情報を抽出します
pin = Axi.FindPin(filter, outpin_index, PIN_DIRECTION.PINDIR_OUTPUT);
var formatInfos = Axi.GetFormatList(pin);
// 映像の情報のみ抽出します.
var videoInfos = formatInfos.FindAll(
delegate(CxFormatInfo item)
{
return(GUID.Compare(item.FormatType, GUID.FORMAT_VideoInfo));
});
Console.WriteLine("| | | |- {0}[{1}]: {2} {3}", "Outpin", outpin_index, videoInfos.Count, "formats");
for (int fff = 0; fff < videoInfos.Count; fff++)
{
var videoInfo = videoInfos[fff];
Console.WriteLine("| | | | |- {0,2}: {1,4},{2,4}", fff, videoInfo.VideoSize.Width, videoInfo.VideoSize.Height);
}
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
if (pin != null)
{
Marshal.ReleaseComObject(pin);
}
pin = null;
}
}
#endregion
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
if (filter != null)
{
Marshal.ReleaseComObject(filter);
}
filter = null;
}
}
}
#endregion
#region 音声入力デバイスの一覧: (マイク等)
{
var category = new Guid(GUID.CLSID_AudioInputDeviceCategory);
var filterInfos = Axi.GetFilterList(category);
Console.WriteLine("Audio Input Devices ({0})", filterInfos.Count);
for (int iii = 0; iii < filterInfos.Count; iii++)
{
// フィルタ情報:
var filterInfo = filterInfos[iii];
Console.WriteLine("|- {0}", iii);
Console.WriteLine("| |- {0}", filterInfo.Name);
Console.WriteLine("| |- {0} ({1})", filterInfo.CLSID, filterInfo.Index);
IBaseFilter filter = null;
try
{
filter = Axi.CreateFilter(category, filterInfo.CLSID, filterInfo.Index);
#region ピン情報:
var pinInfos = Axi.GetPinList(filter);
Console.WriteLine("| |- {0} ({1})", "Pins", pinInfos.Count);
for (int ppp = 0; ppp < pinInfos.Count; ppp++)
{
var pinInfo = pinInfos[ppp];
Console.WriteLine("| | |- {0}: {1,-15} = {2}", ppp, pinInfo.Direction, pinInfo.Name);
}
#endregion
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
if (filter != null)
{
Marshal.ReleaseComObject(filter);
}
filter = null;
}
}
}
#endregion
#region 音声出力デバイスの一覧: (スピーカー等)
{
var category = new Guid(GUID.CLSID_AudioRendererCategory);
var filterInfos = Axi.GetFilterList(category);
Console.WriteLine("Audio Output Devices ({0})", filterInfos.Count);
for (int iii = 0; iii < filterInfos.Count; iii++)
{
// フィルタ情報:
var filterInfo = filterInfos[iii];
Console.WriteLine("|- {0}", iii);
Console.WriteLine("| |- {0}", filterInfo.Name);
Console.WriteLine("| |- {0} ({1})", filterInfo.CLSID, filterInfo.Index);
IBaseFilter filter = null;
try
{
filter = Axi.CreateFilter(category, filterInfo.CLSID, filterInfo.Index);
#region ピン情報:
var pinInfos = Axi.GetPinList(filter);
Console.WriteLine("| |- {0} ({1})", "Pins", pinInfos.Count);
for (int ppp = 0; ppp < pinInfos.Count; ppp++)
{
var pinInfo = pinInfos[ppp];
Console.WriteLine("| | |- {0}: {1,-15} = {2}", ppp, pinInfo.Direction, pinInfo.Name);
}
#endregion
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
if (filter != null)
{
Marshal.ReleaseComObject(filter);
}
filter = null;
}
}
}
#endregion
}
catch (System.Exception ex)
{
Console.WriteLine("{0}", ex.StackTrace);
}
finally
{
}
}
