/// <summary>
/// ビデオ情報の設定
/// </summary>
/// <param name="pin">対象のピン</param>
/// <param name="vih">ビデオ情報</param>
public static void SetVideoInfo(IPin pin, VIDEOINFOHEADER vih)
{
var mt = GetFormat(pin);
Marshal.StructureToPtr(vih, mt.pbFormat, true);
SetFormat(pin, mt);
}
/// <summary>
/// Bitmap への変換
/// </summary>
/// <param name="vih"></param>
/// <returns>
/// </returns>
public System.Drawing.Bitmap ToImage(VIDEOINFOHEADER vih)
{
if (this.Address == IntPtr.Zero)
throw new System.InvalidOperationException("Address is Zero.");
IntPtr address = this.Address;
int width = vih.bmiHeader.biWidth;
int height = System.Math.Abs(vih.bmiHeader.biHeight);
int bpp = vih.bmiHeader.biBitCount;
int stride = ((width * (bpp / 8) + 3) / 4) * 4;
if (0 < vih.bmiHeader.biHeight)
{
address = new IntPtr(address.ToInt64() + ((height - 1) * stride));
stride = stride * -1;
}
PixelFormat format;
switch (bpp)
{
case 24: format = PixelFormat.Format24bppRgb; break;
case 32: format = PixelFormat.Format32bppRgb; break;
default:
throw new System.NotSupportedException("vih.bmiHeader.biBitCount must be one of the following. (24, 32)");
}
var dst = new System.Drawing.Bitmap(width, height, format);
#region データ複製:
BitmapData bmpData = null;
try
{
bmpData = new BitmapData();
bmpData.Width = width;
bmpData.Height = height;
bmpData.Stride = stride;
bmpData.PixelFormat = format;
bmpData.Scan0 = address;
dst.LockBits(
new Rectangle(0, 0, dst.Width, dst.Height),
ImageLockMode.WriteOnly | ImageLockMode.UserInputBuffer,
dst.PixelFormat,
bmpData
);
}
finally
{
dst.UnlockBits(bmpData);
}
#endregion
return dst;
}
/// <summary>
/// デバッグ
/// </summary>
/// <param name="graph"></param>
private void DebugPrint(IGraphBuilder graph)
{
IEnumFilters filters = null;
IBaseFilter filter = null;
int fetched = 0;
int hr = graph.EnumFilters(ref filters);
while (filters.Next(1, ref filter, ref fetched) == (int)DSLab.HRESULT.S_OK)
{
if (fetched == 0) break;
FILTER_INFO info = new FILTER_INFO();
hr = filter.QueryFilterInfo(info);
Console.WriteLine("{0}", info.achName);
// フィルタ解放.
Marshal.ReleaseComObject(filter);
filter = null;
}
// 解放.
Marshal.ReleaseComObject(filters);
// サンプルグラバフィルタの入力形式設定.
// majortype: http://msdn.microsoft.com/ja-jp/library/cc370108.aspx
// subtype : http://msdn.microsoft.com/ja-jp/library/cc371040.aspx
AM_MEDIA_TYPE media_type = new AM_MEDIA_TYPE();
SampleGrabber.GetConnectedMediaType(media_type);
Debug.WriteLine("{0}:{1}", "majortype", media_type.majortype);
Debug.WriteLine("{0}:{1}", "subtype", media_type.subtype);
Debug.WriteLine("{0}:{1}", "formattype", media_type.formattype);
Debug.WriteLine("{0}:{1}", "bFixedSizeSamples", media_type.bFixedSizeSamples);
Debug.WriteLine("{0}:{1}", "bTemporalCompression", media_type.bTemporalCompression);
Debug.WriteLine("{0}:{1}", "cbFormat", media_type.cbFormat);
Debug.WriteLine("{0}:{1}", "lSampleSize", media_type.lSampleSize);
Debug.WriteLine("{0}:{1}", "pbFormat", media_type.pbFormat);
Debug.WriteLine("{0}:{1}", "pUnk", media_type.pUnk);
// 映像形式の場合、サイズを取得する.
if (GUID.Compare(media_type.formattype.ToString(), GUID.FORMAT_VideoInfo))
{
VIDEOINFOHEADER vinfo = new VIDEOINFOHEADER();
vinfo = (VIDEOINFOHEADER)Marshal.PtrToStructure(media_type.pbFormat, typeof(VIDEOINFOHEADER));
Debug.WriteLine("{0}:{1}", "Width", vinfo.bmiHeader.biWidth);
Debug.WriteLine("{0}:{1}", "Height", vinfo.bmiHeader.biHeight);
Debug.WriteLine("{0}:{1}", "BitCount", vinfo.bmiHeader.biBitCount);
Debug.WriteLine("{0}:{1}", "Size", vinfo.bmiHeader.biSize);
Debug.WriteLine("{0}:{1}", "ImageSize", vinfo.bmiHeader.biSizeImage);
Debug.WriteLine("{0}:{1}", "ClrImportant", vinfo.bmiHeader.biClrImportant);
Debug.WriteLine("{0}:{1}", "ClrUsed", vinfo.bmiHeader.biClrUsed);
Debug.WriteLine("{0}:{1}", "Compression", vinfo.bmiHeader.biCompression);
Debug.WriteLine("{0}:{1}", "Planes", vinfo.bmiHeader.biPlanes);
Debug.WriteLine("{0}:{1}", "XPelsPerMeter", vinfo.bmiHeader.biXPelsPerMeter);
Debug.WriteLine("{0}:{1}", "YPelsPerMeter", vinfo.bmiHeader.biYPelsPerMeter);
}
}
/// <summary>
/// デバッグ
/// </summary>
/// <param name="graph"></param>
private void DebugPrint(IGraphBuilder graph)
{
IEnumFilters filters = null;
IBaseFilter filter = null;
int fetched = 0;
int hr = graph.EnumFilters(ref filters);
while (filters.Next(1, ref filter, ref fetched) == (int)DSLab.HRESULT.S_OK)
{
if (fetched == 0)
{
break;
}
FILTER_INFO info = new FILTER_INFO();
hr = filter.QueryFilterInfo(info);
Console.WriteLine("{0}", info.achName);
// フィルタ解放.
Marshal.ReleaseComObject(filter);
filter = null;
}
// 解放.
Marshal.ReleaseComObject(filters);
// サンプルグラバフィルタの入力形式設定.
// majortype: http://msdn.microsoft.com/ja-jp/library/cc370108.aspx
// subtype : http://msdn.microsoft.com/ja-jp/library/cc371040.aspx
AM_MEDIA_TYPE media_type = new AM_MEDIA_TYPE();
SampleGrabber.GetConnectedMediaType(media_type);
Debug.WriteLine("{0}:{1}", "majortype", media_type.majortype);
Debug.WriteLine("{0}:{1}", "subtype", media_type.subtype);
Debug.WriteLine("{0}:{1}", "formattype", media_type.formattype);
Debug.WriteLine("{0}:{1}", "bFixedSizeSamples", media_type.bFixedSizeSamples);
Debug.WriteLine("{0}:{1}", "bTemporalCompression", media_type.bTemporalCompression);
Debug.WriteLine("{0}:{1}", "cbFormat", media_type.cbFormat);
Debug.WriteLine("{0}:{1}", "lSampleSize", media_type.lSampleSize);
Debug.WriteLine("{0}:{1}", "pbFormat", media_type.pbFormat);
Debug.WriteLine("{0}:{1}", "pUnk", media_type.pUnk);
// 映像形式の場合、サイズを取得する.
if (GUID.Compare(media_type.formattype.ToString(), GUID.FORMAT_VideoInfo))
{
VIDEOINFOHEADER vinfo = new VIDEOINFOHEADER();
vinfo = (VIDEOINFOHEADER)Marshal.PtrToStructure(media_type.pbFormat, typeof(VIDEOINFOHEADER));
Debug.WriteLine("{0}:{1}", "Width", vinfo.bmiHeader.biWidth);
Debug.WriteLine("{0}:{1}", "Height", vinfo.bmiHeader.biHeight);
Debug.WriteLine("{0}:{1}", "BitCount", vinfo.bmiHeader.biBitCount);
Debug.WriteLine("{0}:{1}", "Size", vinfo.bmiHeader.biSize);
Debug.WriteLine("{0}:{1}", "ImageSize", vinfo.bmiHeader.biSizeImage);
Debug.WriteLine("{0}:{1}", "ClrImportant", vinfo.bmiHeader.biClrImportant);
Debug.WriteLine("{0}:{1}", "ClrUsed", vinfo.bmiHeader.biClrUsed);
Debug.WriteLine("{0}:{1}", "Compression", vinfo.bmiHeader.biCompression);
Debug.WriteLine("{0}:{1}", "Planes", vinfo.bmiHeader.biPlanes);
Debug.WriteLine("{0}:{1}", "XPelsPerMeter", vinfo.bmiHeader.biXPelsPerMeter);
Debug.WriteLine("{0}:{1}", "YPelsPerMeter", vinfo.bmiHeader.biYPelsPerMeter);
}
}
/// <summary>
/// グラフの生成
/// </summary>
public virtual void Setup()
{
this.Dispose();
try
{
// グラフ.
// CoCreateInstance
GraphBuilder = (IGraphBuilder)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_FilterGraph)));
#region フィルタ追加.
// ファイル入力.
IBaseFilter capture = null;
GraphBuilder.AddSourceFilter(SourceFile, "CaptureFilter", ref capture);
if (capture == null)
{
throw new System.IO.IOException();
}
#if false
// DMO ラッパーフィルタ.
// https://msdn.microsoft.com/ja-jp/library/cc371140.aspx
IBaseFilter dmo = (IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_DMOWrapperFilter)));
if (dmo != null)
{
//// Mpeg4 Decoder DMO
//// F371728A-6052-4D47-827C-D039335DFE0A
//// 4A69B442-28BE-4991-969C-B500ADF5D8A8
//// mpg4decd.dll [C:\Windows\System32, C:\Windows\SysWOW64]
var idmo = (IDMOWrapperFilter)dmo;
idmo.Init(new Guid("F371728A-6052-4D47-827C-D039335DFE0A"), new Guid("4A69B442-28BE-4991-969C-B500ADF5D8A8"));
idmo = null;
this.GraphBuilder.AddFilter(dmo, "Mpeg4 Decoder DMO");
}
#endif
#if false
// Avi Splitter
IBaseFilter splitter = (IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_AVISplitter)));
if (splitter == null)
{
throw new System.IO.IOException();
}
this.GraphBuilder.AddFilter(splitter, "Avi Splitter");
// Avi Decompressor
IBaseFilter decompressor = (IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_AVIDec)));
if (decompressor == null)
{
throw new System.IO.IOException();
}
this.GraphBuilder.AddFilter(decompressor, "Avi Decompressor");
#endif
// サンプルグラバー.
IBaseFilter grabber = (IBaseFilter)CreateSampleGrabber();
if (grabber == null)
{
throw new System.IO.IOException();
}
this.GraphBuilder.AddFilter(grabber, "SampleGrabber");
// レンダラー.
IBaseFilter renderer = (IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_NullRenderer)));
if (renderer == null)
{
throw new System.IO.IOException();
}
this.GraphBuilder.AddFilter(renderer, "Renderer");
#endregion
#region ピンの取得.
IPin capture_out = DSLab.Axi.FindPin(capture, 0, PIN_DIRECTION.PINDIR_OUTPUT);
IPin grabber_in = DSLab.Axi.FindPin(grabber, 0, PIN_DIRECTION.PINDIR_INPUT);
IPin grabber_out = DSLab.Axi.FindPin(grabber, 0, PIN_DIRECTION.PINDIR_OUTPUT);
IPin renderer_in = DSLab.Axi.FindPin(renderer, 0, PIN_DIRECTION.PINDIR_INPUT);
#endregion
#region ピンの接続.
GraphBuilder.Connect(capture_out, grabber_in);
GraphBuilder.Connect(grabber_out, renderer_in);
#endregion
#region 保管: インターフェース.
CaptureFilter = capture;
CaptureOutPin = capture_out;
SampleGrabber = (ISampleGrabber)grabber;
SampleGrabberInPin = grabber_in;
SampleGrabberOutPin = grabber_out;
Renderer = renderer;
RendererInPin = renderer_in;
#endregion
#region 保管: フレームサイズ.
VIDEOINFOHEADER vinfo = DSLab.Axi.GetVideoInfo(SampleGrabber);
this.SampleGrabberCB.BitmapInfo = vinfo.bmiHeader;
this.SampleGrabberCB.FrameSize = new Size(
System.Math.Abs(this.SampleGrabberCB.BitmapInfo.biWidth),
System.Math.Abs(this.SampleGrabberCB.BitmapInfo.biHeight)
);
#endregion
#region インタフェースの抽出:
{
DSLab.IGraphBuilder graph = this.GraphBuilder;
DSLab.IEnumFilters filters = null;
DSLab.IBaseFilter filter = null;
int fetched = 0;
int hr = graph.EnumFilters(ref filters);
while (filters.Next(1, ref filter, ref fetched) == (int)DSLab.HRESULT.S_OK)
{
if (fetched == 0)
{
break;
}
if (filter is DSLab.IMediaSeeking)
{
// シーク操作用.
Seeking = (DSLab.IMediaSeeking)filter;
}
else
{
// フィルタ解放.
Marshal.ReleaseComObject(filter);
filter = null;
}
}
// 解放.
Marshal.ReleaseComObject(filters);
}
#endregion
// DEBUG
#if DEBUG
DebugPrint(this.GraphBuilder);
#endif
}
catch (Exception ex)
{
throw new DSLab.CxDSException(ex);
}
}
/// <summary>
/// プレイヤーの接続
/// </summary>
/// <param name="filename"></param>
private void Player_Connect(string filename)
{
#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 映像入力用: ソースフィルタを生成します.
{
Graph.AddSourceFilter(filename, "VideoSource", ref VideoSource);
if (VideoSource == null)
throw new System.IO.IOException("Failed to create a VideoSource.");
}
#endregion
#region 映像捕獲用: 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 音声捕獲用: サンプルグラバーを生成します.
{
AudioGrabber = (IBaseFilter)Axi.CoCreateInstance(GUID.CLSID_SampleGrabber);
if (AudioGrabber == null)
throw new System.IO.IOException("Failed to create a AudioGrabber.");
Graph.AddFilter(AudioGrabber, "AudioGrabber");
// 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)AudioGrabber;
var mt = new AM_MEDIA_TYPE();
mt.majortype = new Guid(GUID.MEDIATYPE_Audio);
mt.subtype = new Guid(GUID.MEDIASUBTYPE_PCM);
mt.formattype = new Guid(GUID.FORMAT_WaveFormatEx);
grabber.SetMediaType(mt);
grabber.SetBufferSamples(false); // サンプルコピー 無効.
grabber.SetOneShot(false); // One Shot 無効.
//grabber.SetCallback(AudioGrabberCB, 0); // 0:SampleCB メソッドを呼び出すよう指示する.
grabber.SetCallback(AudioGrabberCB, 1); // 1:BufferCB メソッドを呼び出すよう指示する.
}
}
#endregion
#region 映像出力用: 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 音声出力用: レンダラーを生成します.
{
AudioRenderer = (IBaseFilter)Axi.CoCreateInstance(GUID.CLSID_NullRenderer);
if (AudioRenderer == null)
throw new System.IO.IOException("Failed to create a AudioRenderer.");
Graph.AddFilter(AudioRenderer, "AudioRenderer");
}
#endregion
#region フィルタの接続:
if (filename.EndsWith(".avi", StringComparison.InvariantCultureIgnoreCase))
{
#region AVI 形式ファイル用の初期化:
unsafe
{
HRESULT hr;
// AVI 分離器の追加:
Splitter = (IBaseFilter)Axi.CoCreateInstance(GUID.CLSID_AviSplitter);
if (Splitter == null)
throw new System.IO.IOException("Failed to create a Splitter.");
Graph.AddFilter(Splitter, "Splitter");
// フィルタの接続: (AVI 分離器)
hr = (HRESULT)Builder.RenderStream(IntPtr.Zero, IntPtr.Zero, VideoSource, null, Splitter);
if (hr < HRESULT.S_OK)
throw new CxDSException(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), Splitter, VideoGrabber, VideoRenderer);
if (hr < HRESULT.S_OK)
throw new CxDSException(hr);
// フィルタの接続: (音声入力) ※ Audioless も有る.
try
{
var mediatype_audio = new Guid(GUID.MEDIATYPE_Audio);
hr = (HRESULT)Builder.RenderStream(IntPtr.Zero, new IntPtr(&mediatype_audio), Splitter, AudioGrabber, AudioRenderer);
}
catch (System.Exception ex)
{
Debug.WriteLine(ex.StackTrace);
}
}
#endregion
}
else if (
filename.EndsWith(".asf", StringComparison.InvariantCultureIgnoreCase) ||
filename.EndsWith(".wmv", StringComparison.InvariantCultureIgnoreCase))
{
#region WMV 形式ファイル用の初期化:
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, VideoGrabber, 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), VideoSource, AudioGrabber, AudioRenderer);
if (hr < HRESULT.S_OK)
throw new CxDSException(hr);
}
#endregion
}
#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);
}
/// <summary>
/// 画像入力フィルタの生成
/// </summary>
/// <param name="param">イメージグラバーパラメータ</param>
/// <returns>
/// 生成されたインスタンスを返します。
/// </returns>
internal virtual IBaseFilter CreateVideoCapture(CxDSCameraParam param)
{
IBaseFilter capture = DSLab.Axi.CreateFilter(GUID.CLSID_VideoInputDeviceCategory, param.FilterInfo.Name, param.FilterInfo.Index);
if (capture != null)
{
// ビデオ出力フォーマットの設定.
// Width,Height に 0,0 が指定されている場合は既定値を使用する.
// 指定されている場合は、VIDEOINFOHEADER を書き換えて SetFormat を行う.
//
// http://msdn.microsoft.com/ja-jp/library/cc353344.aspx
//
if (0 < param.FormatInfo.VideoSize.Width &&
0 < param.FormatInfo.VideoSize.Height)
{
// 出力ピン.
IPin pin = null;
if (param.PinInfo.Name != "")
pin = DSLab.Axi.FindPin(capture, param.PinInfo.Name);
else
pin = DSLab.Axi.FindPin(capture, 0, param.PinInfo.Direction);
#region 手段1) IAMStreamConfig.GetNumberOfCapabilities で列挙して、該当する AM_MEDIA_TYPE を SetFormat する方法.
if (pin is IAMStreamConfig)
{
IAMStreamConfig config = pin as IAMStreamConfig;
int count = 0;
int size = 0;
config.GetNumberOfCapabilities(ref count, ref size);
if (size == Marshal.SizeOf(new VIDEO_STREAM_CONFIG_CAPS()))
{
for (int i = 0; i < count; i++)
{
AM_MEDIA_TYPE media_type = new AM_MEDIA_TYPE();
VIDEOINFOHEADER video_info = new VIDEOINFOHEADER();
IntPtr addr = IntPtr.Zero;
try
{
addr = Marshal.AllocCoTaskMem(size);
int status = config.GetStreamCaps(i, ref media_type, addr);
if (status == (int)HRESULT.S_OK &&
DS.GUID.Compare(media_type.majortype.ToString(), DS.GUID.MEDIATYPE_Video) &&
// Function.GuidCompare(media_type.subtype.ToString(), DS.GUID.MEDIASUBTYPE_RGB24) &&
DS.GUID.Compare(media_type.formattype.ToString(), DS.GUID.FORMAT_VideoInfo) &&
media_type.cbFormat >= Marshal.SizeOf(video_info) &&
media_type.pbFormat != IntPtr.Zero
)
{
video_info = (VIDEOINFOHEADER)Marshal.PtrToStructure(media_type.pbFormat, typeof(VIDEOINFOHEADER));
// --- ビデオ入力サイズの確認.
if (video_info.bmiHeader.biWidth == param.FormatInfo.VideoSize.Width &&
video_info.bmiHeader.biHeight == param.FormatInfo.VideoSize.Height)
{
config.SetFormat(media_type);
return capture;
}
}
}
finally
{
if (addr != IntPtr.Zero)
Marshal.FreeCoTaskMem(addr);
Axi.DeleteMediaType(ref media_type);
}
}
}
}
#endregion
#region 手段2) VIDEOINFOHEADER の Width,Height を書き換えて SetFormat を行う方法.
//
// この手段は、多くのカメラで有効だが、LifeCam (x86) では失敗する.
//
{
AM_MEDIA_TYPE media_type = new AM_MEDIA_TYPE();
VIDEOINFOHEADER video_info = new VIDEOINFOHEADER();
media_type = Axi.GetFormat(pin);
video_info = (VIDEOINFOHEADER)Marshal.PtrToStructure(media_type.pbFormat, typeof(VIDEOINFOHEADER));
// --- ビデオ入力サイズ.
video_info.bmiHeader.biWidth = param.FormatInfo.VideoSize.Width;
video_info.bmiHeader.biHeight = param.FormatInfo.VideoSize.Height;
// 2013.09.18(Wed): LifeCam (x86) でエラーが発生するので試したが効果は無かった.
//video_info.bmiHeader.biBitCount = (short)BppIn;
// 2013.09.18(Wed): lSampleSize を変更すると LifeCam (x86) でエラーが発生する.
// --- サンプルサイズ.
//int horz = System.Math.Abs(param.FilterFormatInfo.VideoSize.Width);
//int vert = System.Math.Abs(param.FilterFormatInfo.VideoSize.Height);
//int bpp = BppIn;
//media_type.lSampleSize = FVIL.Data.CFviImage.CalcHorzByte(horz, bpp) * (uint)vert;
Marshal.StructureToPtr(video_info, media_type.pbFormat, true);
Axi.SetFormat(pin, media_type);
}
#endregion
}
}
return capture;
}
/// <summary>
/// Bitmap �ւ̕ϊ�
/// </summary>
/// <param name="vih"></param>
/// <returns>
/// </returns>
public System.Drawing.Bitmap ToImage(VIDEOINFOHEADER vih)
{
if (this.Address == IntPtr.Zero)
throw new System.InvalidOperationException("Address is Zero.");
IntPtr address = this.Address;
int width = vih.bmiHeader.biWidth;
int height = System.Math.Abs(vih.bmiHeader.biHeight);
int bpp = vih.bmiHeader.biBitCount;
int stride = ((width * (bpp / 8) + 3) / 4) * 4;
if (0 < vih.bmiHeader.biHeight)
{
address = new IntPtr(address.ToInt64() + ((height - 1) * stride));
stride = stride * -1;
}
PixelFormat format;
switch (bpp)
{
case 24: format = PixelFormat.Format24bppRgb; break;
case 32: format = PixelFormat.Format32bppRgb; break;
default:
throw new System.NotSupportedException("vih.bmiHeader.biBitCount must be one of the following. (24, 32)");
}
var dst = new System.Drawing.Bitmap(width, height, format);
#region �f�[�^����:
BitmapData bmpData = null;
try
{
bmpData = new BitmapData();
bmpData.Width = width;
bmpData.Height = height;
bmpData.Stride = stride;
bmpData.PixelFormat = format;
bmpData.Scan0 = address;
dst.LockBits(
new Rectangle(0, 0, dst.Width, dst.Height),
ImageLockMode.WriteOnly | ImageLockMode.UserInputBuffer,
dst.PixelFormat,
bmpData
);
}
finally
{
dst.UnlockBits(bmpData);
}
#endregion
return dst;
}
/// <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 映像入力用: 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 映像捕獲用: 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 映像出力用: 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>
/// 画像入力フィルタの生成
/// </summary>
/// <param name="param">イメージグラバーパラメータ</param>
/// <returns>
/// 生成されたインスタンスを返します。
/// </returns>
internal virtual IBaseFilter CreateVideoCapture(CxDSCameraParam param)
{
IBaseFilter capture = DSLab.Axi.CreateFilter(GUID.CLSID_VideoInputDeviceCategory, param.FilterInfo.Name, param.FilterInfo.Index);
if (capture != null)
{
// ビデオ出力フォーマットの設定.
// Width,Height に 0,0 が指定されている場合は既定値を使用する.
// 指定されている場合は、VIDEOINFOHEADER を書き換えて SetFormat を行う.
//
// http://msdn.microsoft.com/ja-jp/library/cc353344.aspx
//
if (0 < param.FormatInfo.VideoSize.Width &&
0 < param.FormatInfo.VideoSize.Height)
{
// 出力ピン.
IPin pin = null;
if (param.PinInfo.Name != "")
{
pin = DSLab.Axi.FindPin(capture, param.PinInfo.Name);
}
else
{
pin = DSLab.Axi.FindPin(capture, 0, param.PinInfo.Direction);
}
#region 手段1) IAMStreamConfig.GetNumberOfCapabilities で列挙して、該当する AM_MEDIA_TYPE を SetFormat する方法.
if (pin is IAMStreamConfig)
{
IAMStreamConfig config = pin as IAMStreamConfig;
int count = 0;
int size = 0;
config.GetNumberOfCapabilities(ref count, ref size);
if (size == Marshal.SizeOf(new VIDEO_STREAM_CONFIG_CAPS()))
{
for (int i = 0; i < count; i++)
{
AM_MEDIA_TYPE media_type = new AM_MEDIA_TYPE();
VIDEOINFOHEADER video_info = new VIDEOINFOHEADER();
IntPtr addr = IntPtr.Zero;
try
{
addr = Marshal.AllocCoTaskMem(size);
int status = config.GetStreamCaps(i, ref media_type, addr);
if (status == (int)HRESULT.S_OK &&
DS.GUID.Compare(media_type.majortype.ToString(), DS.GUID.MEDIATYPE_Video) &&
// Function.GuidCompare(media_type.subtype.ToString(), DS.GUID.MEDIASUBTYPE_RGB24) &&
DS.GUID.Compare(media_type.formattype.ToString(), DS.GUID.FORMAT_VideoInfo) &&
media_type.cbFormat >= Marshal.SizeOf(video_info) &&
media_type.pbFormat != IntPtr.Zero
)
{
video_info = (VIDEOINFOHEADER)Marshal.PtrToStructure(media_type.pbFormat, typeof(VIDEOINFOHEADER));
// --- ビデオ入力サイズの確認.
if (video_info.bmiHeader.biWidth == param.FormatInfo.VideoSize.Width &&
video_info.bmiHeader.biHeight == param.FormatInfo.VideoSize.Height)
{
config.SetFormat(media_type);
return(capture);
}
}
}
finally
{
if (addr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(addr);
}
Axi.DeleteMediaType(ref media_type);
}
}
}
}
#endregion
#region 手段2) VIDEOINFOHEADER の Width,Height を書き換えて SetFormat を行う方法.
//
// この手段は、多くのカメラで有効だが、LifeCam (x86) では失敗する.
//
{
AM_MEDIA_TYPE media_type = new AM_MEDIA_TYPE();
VIDEOINFOHEADER video_info = new VIDEOINFOHEADER();
media_type = Axi.GetFormat(pin);
video_info = (VIDEOINFOHEADER)Marshal.PtrToStructure(media_type.pbFormat, typeof(VIDEOINFOHEADER));
// --- ビデオ入力サイズ.
video_info.bmiHeader.biWidth = param.FormatInfo.VideoSize.Width;
video_info.bmiHeader.biHeight = param.FormatInfo.VideoSize.Height;
// 2013.09.18(Wed): LifeCam (x86) でエラーが発生するので試したが効果は無かった.
//video_info.bmiHeader.biBitCount = (short)BppIn;
// 2013.09.18(Wed): lSampleSize を変更すると LifeCam (x86) でエラーが発生する.
// --- サンプルサイズ.
//int horz = System.Math.Abs(param.FilterFormatInfo.VideoSize.Width);
//int vert = System.Math.Abs(param.FilterFormatInfo.VideoSize.Height);
//int bpp = BppIn;
//media_type.lSampleSize = FVIL.Data.CFviImage.CalcHorzByte(horz, bpp) * (uint)vert;
Marshal.StructureToPtr(video_info, media_type.pbFormat, true);
Axi.SetFormat(pin, media_type);
}
#endregion
}
}
return(capture);
}
/// <summary>
/// グラフの生成
/// </summary>
/// <param name="output_file">出力ファイル</param>
public virtual void Setup(string output_file)
{
this.Dispose();
try
{
CxDSCameraParam param = this.Param;
// グラフビルダー.
// CoCreateInstance
GraphBuilder = (IGraphBuilder)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_FilterGraph)));
#region フィルタ追加.
// 画像入力フィルタ.
IBaseFilter capture = CreateVideoCapture(param);
if (capture == null)
{
throw new System.IO.IOException();
}
this.GraphBuilder.AddFilter(capture, "CaptureFilter");
IPin capture_out = DSLab.Axi.FindPin(capture, 0, PIN_DIRECTION.PINDIR_OUTPUT);
this.CaptureFilter = capture;
this.CaptureOutPin = capture_out;
// サンプルグラバー.
IBaseFilter grabber = (IBaseFilter)CreateSampleGrabber();
if (grabber == null)
{
throw new System.IO.IOException();
}
this.GraphBuilder.AddFilter(grabber, "SampleGrabber");
this.SampleGrabber = (ISampleGrabber)grabber;
#endregion
#region キャプチャビルダー:
{
int hr = 0;
CaptureBuilder = (ICaptureGraphBuilder2)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_CaptureGraphBuilder2)));
hr = CaptureBuilder.SetFiltergraph(GraphBuilder);
if (string.IsNullOrEmpty(output_file))
{
// レンダラー.
IBaseFilter renderer = null;
renderer = (IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_NullRenderer)));
if (renderer == null)
{
throw new System.IO.IOException();
}
this.GraphBuilder.AddFilter(renderer, "Renderer");
this.Renderer = renderer;
#if true
// IGraphBuilder.Connect の代わりに ICaptureGraphBuilder2.RenderStream を使用する.
// fig) [capture]-out->-in-[sample grabber]-out->-in-[null render]
hr = CaptureBuilder.RenderStream(new Guid(GUID.PIN_CATEGORY_CAPTURE), new Guid(GUID.MEDIATYPE_Video), capture, grabber, renderer);
#else
// ピンの取得.
IPin grabber_in = DSLab.Axi.FindPin(grabber, 0, PIN_DIRECTION.PINDIR_INPUT);
IPin grabber_out = DSLab.Axi.FindPin(grabber, 0, PIN_DIRECTION.PINDIR_OUTPUT);
IPin renderer_in = DSLab.Axi.FindPin(renderer, 0, PIN_DIRECTION.PINDIR_INPUT);
// ピンの接続.
GraphBuilder.Connect(capture_out, grabber_in);
GraphBuilder.Connect(grabber_out, renderer_in);
// ピンの保管.
//SampleGrabberInPin = grabber_in;
//SampleGrabberOutPin = grabber_out;
//RendererInPin = renderer_in;
#endif
}
else
{
IBaseFilter mux = null;
IFileSinkFilter sync = null;
hr = CaptureBuilder.SetOutputFileName(new Guid(GUID.MEDIASUBTYPE_Avi), output_file, ref mux, ref sync);
hr = CaptureBuilder.RenderStream(new Guid(GUID.PIN_CATEGORY_CAPTURE), new Guid(GUID.MEDIATYPE_Video), capture, grabber, mux);
this.Mux = mux;
this.Sync = sync;
}
}
#endregion
#region 保管: フレームサイズ.
VIDEOINFOHEADER vinfo = DSLab.Axi.GetVideoInfo(SampleGrabber);
this.SampleGrabberCB.BitmapInfo = vinfo.bmiHeader;
this.SampleGrabberCB.FrameSize = new Size(
System.Math.Abs(this.SampleGrabberCB.BitmapInfo.biWidth),
System.Math.Abs(this.SampleGrabberCB.BitmapInfo.biHeight)
);
#endregion
#region 保管: デバイス名称.
try
{
if (string.IsNullOrEmpty(param.FilterInfo.Name) == false)
{
this.DeviceName = param.FilterInfo.Name;
}
else
{
int filter_index = param.FilterInfo.Index;
List <DSLab.CxDSFilterInfo> filters = DSLab.Axi.GetFilterList(DSLab.GUID.CLSID_VideoInputDeviceCategory);
if (0 <= filter_index && filter_index < filters.Count)
{
this.DeviceName = filters[filter_index].Name;
}
}
}
catch (System.Exception)
{
this.DeviceName = "";
}
#endregion
// DEBUG
#if DEBUG
DebugPrint(this.GraphBuilder);
#endif
}
catch (Exception ex)
{
this.Dispose();
throw new DSLab.CxDSException(ex);
}
}
/// <summary>
/// フォーマットサイズの設定
/// </summary>
/// <param name="pin">ピン</param>
/// <param name="width">幅 [0,1~]</param>
/// <param name="height">高さ [0,1~]</param>
/// <remarks>
/// width,height に 0,0 が指定されている場合は既定値を使用する.
/// それ以外は、VIDEOINFOHEADER を書き換えて SetFormat を行う.
/// http://msdn.microsoft.com/ja-jp/library/cc353344.aspx
/// </remarks>
public static void SetFormatSize(IPin pin, int width, int height)
{
if (width <= 0 || height <= 0)
{
return;
}
#region 手段1) IAMStreamConfig.GetNumberOfCapabilities で列挙して、該当する AM_MEDIA_TYPE を SetFormat する方法.
if (pin is IAMStreamConfig)
{
var config = (IAMStreamConfig)pin;
int count = 0;
int size = 0;
config.GetNumberOfCapabilities(ref count, ref size);
if (size == Marshal.SizeOf(new VIDEO_STREAM_CONFIG_CAPS()))
{
for (int i = 0; i < count; i++)
{
var mt = new AM_MEDIA_TYPE();
var vih = new VIDEOINFOHEADER();
IntPtr addr = IntPtr.Zero;
try
{
addr = Marshal.AllocCoTaskMem(size);
int status = config.GetStreamCaps(i, ref mt, addr);
if (status == (int)HRESULT.S_OK &&
GUID.Compare(mt.majortype.ToString(), GUID.MEDIATYPE_Video) &&
GUID.Compare(mt.formattype.ToString(), GUID.FORMAT_VideoInfo) &&
mt.cbFormat >= Marshal.SizeOf(vih) &&
mt.pbFormat != IntPtr.Zero
)
{
vih = (VIDEOINFOHEADER)Marshal.PtrToStructure(mt.pbFormat, typeof(VIDEOINFOHEADER));
// --- ビデオ入力サイズの確認.
if (vih.bmiHeader.biWidth == width &&
vih.bmiHeader.biHeight == height)
{
config.SetFormat(mt);
return;
}
}
}
finally
{
if (addr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(addr);
}
Axi.FreeMediaType(ref mt);
}
}
}
}
#endregion
#region 手段2) VIDEOINFOHEADER の Width,Height を書き換えて SetFormat を行う方法.
//
// この手段は、多くのカメラで有効だが、LifeCam (x86) では失敗する.
//
{
AM_MEDIA_TYPE mt = new AM_MEDIA_TYPE();
VIDEOINFOHEADER video_info = new VIDEOINFOHEADER();
mt = Axi.GetFormat(pin);
video_info = (VIDEOINFOHEADER)Marshal.PtrToStructure(mt.pbFormat, typeof(VIDEOINFOHEADER));
// --- ビデオ入力サイズ.
video_info.bmiHeader.biWidth = width;
video_info.bmiHeader.biHeight = height;
// 2013.09.18(Wed): LifeCam (x86) でエラーが発生するので試したが効果は無かった.
//video_info.bmiHeader.biBitCount = (short)BppIn;
// 2013.09.18(Wed): lSampleSize を変更すると LifeCam (x86) でエラーが発生する.
// --- サンプルサイズ.
//int horz = System.Math.Abs(param.FilterFormatInfo.VideoSize.Width);
//int vert = System.Math.Abs(param.FilterFormatInfo.VideoSize.Height);
//int bpp = BppIn;
//mt.lSampleSize = FVIL.Data.CFviImage.CalcHorzByte(horz, bpp) * (uint)vert;
Marshal.StructureToPtr(video_info, mt.pbFormat, true);
Axi.SetFormat(pin, mt);
}
#endregion
}
/// <summary>
/// フォーマット一覧の取得
/// </summary>
/// <param name="pin">対象のピン</param>
/// <returns>
/// 取得したフォーマット情報のコレクションを返します。
/// </returns>
public static List <CxFormatInfo> GetFormatList(IPin pin)
{
var result = new List <CxFormatInfo>();
if (pin == null)
{
return(result);
}
var config = pin as IAMStreamConfig;
if (config == null)
{
return(result);
}
IntPtr dataptr = IntPtr.Zero;
try
{
int count = 0;
int size = 0;
config.GetNumberOfCapabilities(ref count, ref size);
dataptr = Marshal.AllocHGlobal(size);
for (int i = 0; i < count; i++)
{
AM_MEDIA_TYPE mt = null;
try
{
config.GetStreamCaps(i, ref mt, dataptr);
// 基本情報の取得.
var info = new CxFormatInfo();
info.MediaType = GUID.Normalize(mt.majortype.ToString());
info.MediaSubType = GUID.Normalize(mt.subtype.ToString());
info.FormatType = GUID.Normalize(mt.formattype.ToString());
// 映像形式か否か.
if (GUID.Compare(info.FormatType, GUID.FORMAT_VideoInfo))
{
var vih = new VIDEOINFOHEADER();
vih = (VIDEOINFOHEADER)Marshal.PtrToStructure(mt.pbFormat, typeof(VIDEOINFOHEADER));
info.VideoSize = new Size(vih.bmiHeader.biWidth, vih.bmiHeader.biHeight);
}
// コレクションに追加.
result.Add(info);
}
finally
{
if (mt != null)
{
Axi.FreeMediaType(ref mt);
}
}
}
}
finally
{
if (dataptr != IntPtr.Zero)
{
Marshal.FreeHGlobal(dataptr);
}
}
return(result);
}
