/// <summary>
/// Query whether a pin is connected to another pin.
/// </summary>
/// <param name="pPin">Specifies the pin to check.</param>
/// <param name="bResult">Specifies the connection status.</param>
/// <returns>An error value < 0 is returned or 0 for success.</returns>
public static int IsPinConnected(IPin pPin, out bool bResult)
{
uint VFW_E_NOT_CONNECTED = 0x80040209;
IPin pTmp = null;
bResult = false;
int hr = pPin.ConnectedTo(out pTmp);
if (hr == 0)
{
bResult = true;
}
else if (hr == (int)VFW_E_NOT_CONNECTED)
{
// The pin is not connected. This is not an error for checking the connection status.
bResult = false;
hr = 0;
}
if (pTmp != null)
{
Marshal.ReleaseComObject(pTmp);
}
return(hr);
}
/// <summary>
/// Find all the filters connected downstream from the specified pin,
/// following all branches.
/// </summary>
/// <param name="pin"></param>
/// <returns></returns>
private List <IBaseFilter> EnumerateDownstreamFromPin(IPin pin)
{
//Find the input pin that the target pin is connected to.
IPin connectedToInput;
try {
pin.ConnectedTo(out connectedToInput);
}
catch (COMException) {
//not connected
return(new List <IBaseFilter>());
}
// Map that pin to the next filter.
_PinInfo pInfo;
connectedToInput.QueryPinInfo(out pInfo);
IBaseFilter connectedFilter = pInfo.pFilter;
//Add the filter to the list.
List <IBaseFilter> returnList = new List <IBaseFilter>();
returnList.Add(connectedFilter);
//Enumerate output pins of the filter
ArrayList outPins = Filter.GetPins(Filter.GetPins(connectedFilter), _PinDirection.PINDIR_OUTPUT);
foreach (IPin p in outPins)
{
//recurse over each pin
returnList.AddRange(EnumerateDownstreamFromPin(p));
}
return(returnList);
}
public static bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IPin other;
int hr = pin.ConnectedTo(out other);
bool allDisconnected = true;
PinInfo info;
pin.QueryPinInfo(out info);
DsUtils.FreePinInfo(info);
if (hr == 0 && other != null)
{
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
DsUtils.FreePinInfo(info);
Marshal.ReleaseComObject(other);
}
else
{
}
return(allDisconnected);
}
protected override void BuildGraph(string path)
{
// Build partial graph
IPin videoOutput = null, audioOutput = null;
{
VideoRendererDefault videoRenderer = new VideoRendererDefault();
DSoundRender audioRenderer = new DSoundRender();
try
{
GraphBuilder.AddFilter(videoRenderer as IBaseFilter, "Default Video Renderer");
GraphBuilder.AddFilter(audioRenderer as IBaseFilter, "Default Audio Renderer");
GraphBuilder.RenderFile(path, null);
// Get Connected Pins
{
IPin videoInput = Util.FindInputPin(videoRenderer as IBaseFilter);
videoInput.ConnectedTo(out videoOutput);
Util.FreePin(videoInput);
IPin audioInput = Util.FindInputPin(audioRenderer as IBaseFilter);
audioInput.ConnectedTo(out audioOutput);
Util.FreePin(audioInput);
}
GraphBuilder.RemoveFilter(videoRenderer as IBaseFilter);
GraphBuilder.RemoveFilter(audioRenderer as IBaseFilter);
}
finally
{
Marshal.ReleaseComObject(videoRenderer);
Marshal.ReleaseComObject(audioRenderer);
}
}
// build video grabber
if (videoOutput != null)
{
this.VideoGrabber = BuildGrabber("Video", videoOutput,
MEDIATYPE_Video, MEDIASUBTYPE_RGB32, FORMAT_VideoInfo, OnVideoFrame) as ISampleGrabber;
this.VideoInfo = GetMediaFormat <VideoInfoHeader>(VideoGrabber);
Marshal.ReleaseComObject(videoOutput);
}
// build audio grabber
if (audioOutput != null)
{
this.AudioGrabber = BuildGrabber("Audio", audioOutput,
MEDIATYPE_Audio, MEDIASUBTYPE_PCM, FORMAT_WaveFormatEx, OnAudioFrame) as ISampleGrabber;
this.AudioInfo = GetMediaFormat <WaveFormatEx>(AudioGrabber);
Marshal.ReleaseComObject(audioOutput);
}
}
public static bool IsPinConnected(IPin pin)
{
IPin pinNext;
int result = pin.ConnectedTo(out pinNext);
if (pinNext != null)
{
Marshal.ReleaseComObject(pinNext);
}
return(result == 0);
}
public static void Disconnect(IFilterGraph pFilterGraph, IPin pPin)
{
IPin pInputPin = null;
if (pPin.ConnectedTo(out pInputPin) == DsHlp.S_OK)
{
pFilterGraph.Disconnect(pInputPin);
Marshal.ReleaseComObject(pInputPin);
}
pFilterGraph.Disconnect(pPin);
}
public static void Disconnect(IGraphBuilder pGraphBuilder, IPin pPin)
{
IPin pInputPin = null;
if (pPin.ConnectedTo(out pInputPin) == DsHlp.S_OK)
{
pGraphBuilder.Disconnect(pInputPin);
Marshal.ReleaseComObject(pInputPin);
}
pGraphBuilder.Disconnect(pPin);
}
static IPin FindPinByDirection(IBaseFilter filter, PinDirection direction)
{
IPin destPin = null;
IEnumPins iEnum;
int hr;
IPin[] pins = new IPin[1];
hr = filter.EnumPins(out iEnum);
DsError.ThrowExceptionForHR(hr);
if (iEnum == null)
{
throw new InvalidOperationException("iEnum is null");
}
IntPtr fetched = Marshal.AllocCoTaskMem(4);
hr = iEnum.Next(1, pins, fetched);
DsError.ThrowExceptionForHR(hr);
while (Marshal.ReadInt32(fetched) == 1)
{
PinDirection pinDir;
IPin pPin;
destPin = pins[0];
hr = destPin.QueryDirection(out pinDir);
DsError.ThrowExceptionForHR(hr);
destPin.ConnectedTo(out pPin);
if (pPin == null && pinDir == direction)
{
break;
}
if (pPin != null)
{
Marshal.ReleaseComObject(pPin);
}
hr = iEnum.Next(1, pins, fetched);
DsError.ThrowExceptionForHR(hr);
}
Marshal.FreeCoTaskMem(fetched);
return(destPin);
}
private bool IsMatchingPin(IPin pin, PinDirection direction, Guid mediaType)
{
PinDirection pinDirection;
int hr = pin.QueryDirection(out pinDirection);
DsError.ThrowExceptionForHR(hr);
if (pinDirection != direction)
{
// The pin lacks direction
return(false);
}
IPin connectedPin;
hr = pin.ConnectedTo(out connectedPin);
if ((uint)hr != 0x80040209 /* Pin is not connected */)
{
DsError.ThrowExceptionForHR(hr);
}
if (connectedPin != null)
{
// The pin is already connected
Marshal.ReleaseComObject(connectedPin);
return(false);
}
IEnumMediaTypes mediaTypesEnum;
hr = pin.EnumMediaTypes(out mediaTypesEnum);
DsError.ThrowExceptionForHR(hr);
AMMediaType[] mediaTypes = new AMMediaType[1];
while (mediaTypesEnum.Next(1, mediaTypes, IntPtr.Zero) == 0)
{
Guid majorType = mediaTypes[0].majorType;
DsUtils.FreeAMMediaType(mediaTypes[0]);
if (majorType == mediaType)
{
// We have found the pin we were looking for
return(true);
}
}
return(false);
}
public static void LogOutputPinsConnectionRecursive(IBaseFilter filter, string previous = "")
{
bool log = true;
IEnumPins pinEnum = null;
if (filter.EnumPins(out pinEnum) == 0)
{
FilterInfo sourceFilterInfo;
filter.QueryFilterInfo(out sourceFilterInfo);
int fetched = 0;
IPin[] pins = new IPin[1];
while (pinEnum.Next(1, pins, out fetched) == 0 && fetched > 0)
{
IPin pin = pins[0];
PinDirection pinDirection;
if (pin.QueryDirection(out pinDirection) == 0 && pinDirection == PinDirection.Output)
{
log = false;
IPin connectedPin;
if (pin.ConnectedTo(out connectedPin) == 0 && connectedPin != null)
{
PinInfo connectedPinInfo;
connectedPin.QueryPinInfo(out connectedPinInfo);
FilterInfo connectedFilterInfo;
connectedPinInfo.filter.QueryFilterInfo(out connectedFilterInfo);
if (previous == "")
{
previous = sourceFilterInfo.achName;
}
DirectShowUtil.ReleaseComObject(connectedPin, 2000);
IBaseFilter connectedFilter;
if (connectedFilterInfo.pGraph.FindFilterByName(connectedFilterInfo.achName, out connectedFilter) == 0 && connectedFilter != null)
{
LogOutputPinsConnectionRecursive(connectedFilter, previous + string.Format(" --> {0}", connectedFilterInfo.achName));
DirectShowUtil.ReleaseComObject(connectedFilter);
}
}
DirectShowUtil.ReleaseComObject(pin, 2000);
}
}
}
DirectShowUtil.ReleaseComObject(pinEnum, 2000);
if (log)
{
Log.Instance.Debug(previous);
}
}
/// <summary>
/// Gets the first pin of the specified direction and connection status. You also specify
/// how many matching pins should be skipped before a desired pin is returned.
///
/// If this function finds a matching pin, it returns an IPin interface pointer
/// with an outstanding reference count. The caller is responsible for releasing the interface.
///
/// Leaving the last two parameters at their default
/// values is like saying: "Gimme the first unconnected pin".
/// </summary>
/// <param name="pFilter">Filter</param>
/// <param name="pinDir">Pin direction</param>
/// <param name="bConnected">Whether the returned Pin should be connected to some other pin</param>
/// <param name="nPinsToSkip">How many Pins that match the conditions should be skipped</param>
/// <returns></returns>
public static IPin GetPin(IBaseFilter pFilter, PinDirection pinDir, bool bConnected, int nPinsToSkip)
{
bool bFound = false;
IEnumPins pEnum;
IPin pPin = null;
int cFetched;
int nSkipped = 0;
IPin pConnectedPin = null;
int hr = pFilter.EnumPins(out pEnum);
if (DsHlp.FAILED(hr) || pEnum == null)
{
return(null);
}
while ((pEnum.Next(1, out pPin, out cFetched) == DsHlp.S_OK) && pPin != null)
{
PinDirection PinDirThis;
pPin.QueryDirection(out PinDirThis);
if (pinDir == PinDirThis)
{
hr = pPin.ConnectedTo(out pConnectedPin);
if (pConnectedPin != null)
{
Marshal.ReleaseComObject(pConnectedPin);
pConnectedPin = null;
}
if ((hr == DsHlp.S_OK && bConnected) || ((uint)hr == DsHlp.VFW_E_NOT_CONNECTED && !bConnected))
{
if (nSkipped == nPinsToSkip)
{
bFound = true;
break;
}
else
{
nSkipped++;
}
}
}
Marshal.ReleaseComObject(pPin);
pPin = null;
}
Marshal.ReleaseComObject(pEnum);
return(bFound ? pPin : null);
}
public static void tビデオレンダラをグラフから除去する(IGraphBuilder graphBuilder)
{
int hr = 0;
IBaseFilter videoRenderer = null;
IPin renderInputPin = null;
IPin connectedOutputPin = null;
try
{
// videoRenderer を探す。
CDirectShow.tビデオレンダラとその入力ピンを探して返す(graphBuilder, out videoRenderer, out renderInputPin);
if (videoRenderer == null || renderInputPin == null)
{
return; // なかった
}
#region [ renderInputPin へ接続している前段の出力ピン connectedOutputPin を探す。 ]
//-----------------
renderInputPin.ConnectedTo(out connectedOutputPin);
//-----------------
#endregion
if (connectedOutputPin == null)
{
return; // なかった
}
// 前段の出力ピンとビデオレンダラの入力ピンを切断する。双方向から切断しないとグラフから切り離されないので注意。
renderInputPin.Disconnect();
connectedOutputPin.Disconnect();
// ビデオレンダラをグラフから除去。
graphBuilder.RemoveFilter(videoRenderer);
}
finally
{
CCommon.tReleaseComObject(ref connectedOutputPin);
CCommon.tReleaseComObject(ref renderInputPin);
CCommon.tReleaseComObject(ref videoRenderer);
}
}
/// <summary>
/// Disconnects a single Pin.
/// </summary>
/// <param name="graphBuilder">IGraphBuilder</param>
/// <param name="pin">Pin to disconnect</param>
/// <returns>True if successful</returns>
bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IntPtr other_ptr;
int hr = pin.ConnectedTo(out other_ptr);
bool allDisconnected = true;
if (hr == 0 && other_ptr != IntPtr.Zero)
{
IPin other = Marshal.GetObjectForIUnknown(other_ptr) as IPin;
PinInfo info;
pin.QueryPinInfo(out info);
ServiceRegistration.Get <ILogger>().Info("Disconnecting pin {0}", info.name);
FilterGraphTools.FreePinInfo(info);
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
FilterGraphTools.FreePinInfo(info);
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get <ILogger>().Error("Error disconnecting: {0:x}", hr);
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get <ILogger>().Error("Error disconnecting other: {0:x}", hr);
}
Marshal.ReleaseComObject(other);
}
else
{
ServiceRegistration.Get <ILogger>().Info(" Not connected");
}
return(allDisconnected);
}
private bool GetPins(out IPin rendererInputPin, out IPin decoderOutPin)
{
bool bRet = false;
rendererInputPin = decoderOutPin = null;
if (BaseFilter != null && (rendererInputPin = DsUtils.GetPin(BaseFilter, PinDirection.Input, true)) != null)
{
int hr = rendererInputPin.ConnectedTo(out decoderOutPin);
if (hr == DsHlp.S_OK)
{
DsUtils.Disconnect(GraphBuilder, rendererInputPin);
bRet = true;
}
else
{
Marshal.ReleaseComObject(rendererInputPin);
rendererInputPin = null;
}
}
return(bRet);
}
protected IPin GetUnconnectedPin(IBaseFilter filter, PinDirection direction)
{
IPin destPin = null;
IEnumPins iEnum;
var pins = new IPin[1];
var hr = filter.EnumPins(out iEnum);
Marshal.ThrowExceptionForHR(hr);
var fetched = Marshal.AllocCoTaskMem(4);
hr = iEnum.Next(1, pins, fetched);
Marshal.ThrowExceptionForHR(hr);
while (Marshal.ReadInt32(fetched) == 1)
{
PinDirection pinDir;
IPin pPin;
destPin = pins[0];
hr = destPin.QueryDirection(out pinDir);
Marshal.ThrowExceptionForHR(hr);
PinInfo info;
destPin.QueryPinInfo(out info);
//var name = info.name;
destPin.ConnectedTo(out pPin);
if (pPin == null && pinDir == direction)
{
break;
}
hr = iEnum.Next(1, pins, fetched);
Marshal.ThrowExceptionForHR(hr);
}
Marshal.FreeCoTaskMem(fetched);
return(destPin);
}
public static void RemoveFromGraph(IGraphBuilder graphBuilder)
{
IBaseFilter vob = null;
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubAutoload, out vob);
if (vob == null)
{
//Try the "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubNormal, out vob);
if (vob == null)
{
return;
}
}
Log.Info("VideoPlayerVMR9: DirectVobSub in graph, removing...");
// Check where video inputs are connected
IPin pinVideoIn = DsFindPin.ByDirection(vob, PinDirection.Input, 0);
IPin pinVideoOut = DsFindPin.ByDirection(vob, PinDirection.Output, 0);
//find directvobsub's video output pin source input pin
IPin pinVideoTo = null;
pinVideoOut.ConnectedTo(out pinVideoTo);
//find directvobsub's video input pin source output pin
IPin pinVideoFrom = null;
pinVideoIn.ConnectedTo(out pinVideoFrom);
int hr;
if (pinVideoFrom != null)
{
hr = pinVideoFrom.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting source pin");
}
}
if (pinVideoTo != null)
{
hr = pinVideoTo.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting destination pin");
}
}
//remove the DirectVobSub filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
//reconnect the source output pin to the vmr9/evr filter
hr = graphBuilder.Connect(pinVideoFrom, pinVideoTo);
//hr = graphBuilder.Render(pinVideoFrom);
DirectShowUtil.ReleaseComObject(pinVideoFrom);
pinVideoFrom = null;
DirectShowUtil.ReleaseComObject(pinVideoTo);
pinVideoTo = null;
DirectShowUtil.ReleaseComObject(pinVideoOut);
pinVideoOut = null;
DirectShowUtil.ReleaseComObject(pinVideoIn);
pinVideoIn = null;
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: Could not connect video out to video renderer: {0}", hr);
}
else
{
Log.Debug("VideoPlayerVMR9: DirectVobSub graph rebuild finished");
}
}
private void UnRender(IPin pinOutOrigin)
{
int hr;
//hr = pinOutOrigin.Disconnect();
IPin pinOutEnd = null;
hr = pinOutOrigin.ConnectedTo(out pinOutEnd);
if (pinOutEnd != null)
{
try
{
PinInfo pInfo = new PinInfo();
hr = pinOutEnd.QueryPinInfo(out pInfo);
if (hr >= 0)
{
if (pInfo.filter != null)
{
try
{
IEnumPins ppEnum;
hr = pInfo.filter.EnumPins(out ppEnum);
if (hr >= 0)
{
try
{
// Walk the pins looking for a match
IPin[] pPins = new IPin[1];
//22 int lFetched;
//22 while ((ppEnum.Next(1, pPins, out lFetched) >= 0) && (lFetched == 1))
while (ppEnum.Next(1, pPins, IntPtr.Zero) >= 0)
{
try
{
// Read the direction
PinDirection ppindir;
hr = pPins[0].QueryDirection(out ppindir);
if (hr >= 0)
{
// Is it the right direction?
if (ppindir == PinDirection.Output)
{
if (pPins[0] != null)
{
UnRender(pPins[0]);
}
}
}
}
finally
{
Marshal.ReleaseComObject(pPins[0]);
}
}
}
finally
{
Marshal.ReleaseComObject(ppEnum);
}
}
hr = graphBuilder.RemoveFilter(pInfo.filter);
}
finally
{
Marshal.ReleaseComObject(pInfo.filter);
}
}
}
}
finally
{
Marshal.ReleaseComObject(pinOutEnd);
}
}
}
/// <summary>
/// helper function to connect 2 filters
/// </summary>
/// <param name="graphBuilder">graph builder interface</param>
/// <param name="pinSource">souce pin</param>
/// <param name="filterDest">destination filter</param>
/// <param name="destPinIndex">input pin index</param>
public static bool ConnectPin(IGraphBuilder graphBuilder, IPin pinSource, IBaseFilter filterDest, int destPinIndex)
{
IPin pin;
pinSource.ConnectedTo(out pin);
if (pin != null)
{
Release.ComObject("Connect Pin", pin);
return false;
}
IPin pinDest = DsFindPin.ByDirection(filterDest, PinDirection.Input, destPinIndex);
if (pinDest == null)
return false;
int hr = graphBuilder.Connect(pinSource, pinDest);
if (hr != 0)
{
Release.ComObject("Connect Pin", pinDest);
return false;
}
Release.ComObject("Connect Pin", pinDest);
return true;
}
private void UnRender(IPin pinOutOrigin)
{
int hr;
//hr = pinOutOrigin.Disconnect();
IPin pinOutEnd = null;
hr = pinOutOrigin.ConnectedTo(out pinOutEnd);
if (pinOutEnd != null)
{
try
{
PinInfo pInfo = new PinInfo();
hr = pinOutEnd.QueryPinInfo(out pInfo);
if (hr >= 0)
{
if (pInfo.filter != null)
{
try
{
IEnumPins ppEnum;
hr = pInfo.filter.EnumPins(out ppEnum);
if (hr >= 0)
{
try
{
// Walk the pins looking for a match
IPin[] pPins = new IPin[1];
//22 int lFetched;
//22 while ((ppEnum.Next(1, pPins, out lFetched) >= 0) && (lFetched == 1))
while (ppEnum.Next(1, pPins, IntPtr.Zero) >= 0)
{
try
{
// Read the direction
PinDirection ppindir;
hr = pPins[0].QueryDirection(out ppindir);
if (hr >= 0)
{
// Is it the right direction?
if (ppindir == PinDirection.Output)
{
if (pPins[0] != null)
{
UnRender(pPins[0]);
}
}
}
}
finally
{
Marshal.ReleaseComObject(pPins[0]);
}
}
}
finally
{
Marshal.ReleaseComObject(ppEnum);
}
}
hr = graphBuilder.RemoveFilter(pInfo.filter);
}
finally
{
Marshal.ReleaseComObject(pInfo.filter);
}
}
}
}
finally
{
Marshal.ReleaseComObject(pinOutEnd);
}
}
}
/// <summary>
/// Logs the pin info.
/// </summary>
/// <param name="pin">The pin.</param>
/// <returns></returns>
public static string LogPinInfo(IPin pin)
{
if (pin == null)
return " pin==null ";
PinInfo pinInfo;
IPin connectedToPin;
if (pin.ConnectedTo(out connectedToPin) != 0)
connectedToPin = null;
bool connected = connectedToPin != null;
if (connected)
Release.ComObject(connectedToPin);
int hr = pin.QueryPinInfo(out pinInfo);
if (hr == 0)
{
if (pinInfo.filter != null)
Release.ComObject(pinInfo.filter);
}
return String.Format("name:{0} [{3}/{4}] Direction:{1} Connected:{2}", pinInfo.name, pinInfo.dir, connected,
getRefCount(pin), getRefCountCOM(pin));
}
private bool IsMatchingPin(IPin pin, PinDirection direction, Guid mediaType)
{
PinDirection pinDirection;
int hr = pin.QueryDirection(out pinDirection);
DsError.ThrowExceptionForHR(hr);
if (pinDirection != direction)
// The pin lacks direction
return false;
IPin connectedPin;
hr = pin.ConnectedTo(out connectedPin);
if ((uint)hr != 0x80040209 /* Pin is not connected */)
DsError.ThrowExceptionForHR(hr);
if (connectedPin != null)
{
// The pin is already connected
Marshal.ReleaseComObject(connectedPin);
return false;
}
IEnumMediaTypes mediaTypesEnum;
hr = pin.EnumMediaTypes(out mediaTypesEnum);
DsError.ThrowExceptionForHR(hr);
AMMediaType[] mediaTypes = new AMMediaType[1];
while (mediaTypesEnum.Next(1, mediaTypes, IntPtr.Zero) == 0)
{
Guid majorType = mediaTypes[0].majorType;
DsUtils.FreeAMMediaType(mediaTypes[0]);
if (majorType == mediaType)
{
// We have found the pin we were looking for
return true;
}
}
return false;
}
public static bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IPin other;
int hr = pin.ConnectedTo(out other);
bool allDisconnected = true;
PinInfo info;
pin.QueryPinInfo(out info);
DsUtils.FreePinInfo(info);
if (hr == 0 && other != null)
{
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
}
DsUtils.FreePinInfo(info);
Marshal.ReleaseComObject(other);
}
else
{
}
return allDisconnected;
}
/// <summary>
/// Disconnects a single Pin.
/// </summary>
/// <param name="graphBuilder">IGraphBuilder</param>
/// <param name="pin">Pin to disconnect</param>
/// <returns>True if successful</returns>
bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IntPtr other_ptr;
int hr = pin.ConnectedTo(out other_ptr);
bool allDisconnected = true;
if (hr == 0 && other_ptr != IntPtr.Zero)
{
IPin other = Marshal.GetObjectForIUnknown(other_ptr) as IPin;
PinInfo info;
pin.QueryPinInfo(out info);
ServiceRegistration.Get<ILogger>().Info("Disconnecting pin {0}", info.name);
FilterGraphTools.FreePinInfo(info);
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
allDisconnected = false;
FilterGraphTools.FreePinInfo(info);
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get<ILogger>().Error("Error disconnecting: {0:x}", hr);
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
ServiceRegistration.Get<ILogger>().Error("Error disconnecting other: {0:x}", hr);
}
Marshal.ReleaseComObject(other);
}
else
{
ServiceRegistration.Get<ILogger>().Info(" Not connected");
}
return allDisconnected;
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(string FileName)
{
int hr;
// Get the graphbuilder object
this.graphBuilder = new FilterGraph() as IGraphBuilder;
this.mediaControl = this.graphBuilder as IMediaControl;
this.mediaSeeking = this.graphBuilder as IMediaSeeking;
this.mediaEvent = this.graphBuilder as IMediaEvent;
try
{
// Get the SampleGrabber interface
this.sampleGrabber = new SampleGrabber() as ISampleGrabber;
this.sampleGrabberFilter = sampleGrabber as IBaseFilter;
ConfigureSampleGrabber(sampleGrabber);
// Add the frame grabber to the graph
hr = graphBuilder.AddFilter(sampleGrabberFilter, "Ds.NET Sample Grabber");
DsError.ThrowExceptionForHR(hr);
IBaseFilter aviSplitter = new AviSplitter() as IBaseFilter;
// Add the aviSplitter to the graph
hr = graphBuilder.AddFilter(aviSplitter, "Splitter");
DsError.ThrowExceptionForHR(hr);
// Have the graph builder construct its appropriate graph automatically
hr = this.graphBuilder.RenderFile(FileName, null);
DsError.ThrowExceptionForHR(hr);
#if DEBUG
m_rot = new DsROTEntry(graphBuilder);
#endif
// Remove the video renderer filter
IBaseFilter defaultVideoRenderer = null;
graphBuilder.FindFilterByName("Video Renderer", out defaultVideoRenderer);
graphBuilder.RemoveFilter(defaultVideoRenderer);
// Disconnect anything that is connected
// to the output of the sample grabber
IPin iPinSampleGrabberOut = DsFindPin.ByDirection(sampleGrabberFilter, PinDirection.Output, 0);
IPin iPinVideoIn;
hr = iPinSampleGrabberOut.ConnectedTo(out iPinVideoIn);
if (hr == 0)
{
// Disconnect the sample grabber output from the attached filters
hr = iPinVideoIn.Disconnect();
DsError.ThrowExceptionForHR(hr);
hr = iPinSampleGrabberOut.Disconnect();
DsError.ThrowExceptionForHR(hr);
}
else
{
// Try other way round because automatic renderer could not build
// graph including the sample grabber
IPin iPinAVISplitterOut = DsFindPin.ByDirection(aviSplitter, PinDirection.Output, 0);
IPin iPinAVISplitterIn;
hr = iPinAVISplitterOut.ConnectedTo(out iPinAVISplitterIn);
DsError.ThrowExceptionForHR(hr);
hr = iPinAVISplitterOut.Disconnect();
DsError.ThrowExceptionForHR(hr);
hr = iPinAVISplitterIn.Disconnect();
DsError.ThrowExceptionForHR(hr);
// Connect the avi splitter output to sample grabber
IPin iPinSampleGrabberIn = DsFindPin.ByDirection(sampleGrabberFilter, PinDirection.Input, 0);
hr = graphBuilder.Connect(iPinAVISplitterOut, iPinSampleGrabberIn);
DsError.ThrowExceptionForHR(hr);
}
// Add the null renderer to the graph
nullrenderer = new NullRenderer() as IBaseFilter;
hr = graphBuilder.AddFilter(nullrenderer, "Null renderer");
DsError.ThrowExceptionForHR(hr);
// Get the input pin of the null renderer
IPin iPinNullRendererIn = DsFindPin.ByDirection(nullrenderer, PinDirection.Input, 0);
// Connect the sample grabber to the null renderer
hr = graphBuilder.Connect(iPinSampleGrabberOut, iPinNullRendererIn);
DsError.ThrowExceptionForHR(hr);
// Read and cache the image sizes
SaveSizeInfo(sampleGrabber);
this.GetFrameStepInterface();
}
finally
{
}
}
public void ReloadFilters()
{
log("reload filters..");
IEnumFilters ef;
ClearFiltersSelection();
ClearConnections();
filter_positions.Clear();
foreach (Filter f in filters)
{
filter_positions.Add(f.Name, f.Coords);
}
filters.Clear();
log("reload_filters 1");
try
{
int hr = graphBuilder.EnumFilters(out ef);
DsError.ThrowExceptionForHR(hr);
IBaseFilter[] fs = new IBaseFilter[1];
IntPtr fetched = Marshal.AllocHGlobal(4);
while ((hr = ef.Next(1, fs, fetched)) == 0)
{
log("reload_filters 2");
FilterInfo fi;
fs[0].QueryFilterInfo(out fi);
log("reload_filters: " + fi.achName);
Filter ff = FindFilterByName(fi.achName);
if (ff == null) //not found
{
ff = new Filter(fs[0]);
AddFilterHere(ff, false, null);
history.AddFilterIfNew(ff.filterProps, ff.Name, ff.srcFileName, ff.dstFileName, ff);
}
else
{
ff.ReloadPins();
}
log("reload_filters 3");
foreach (Pin pin in ff.Pins)
{
log("reload_filters 4: " + pin.Name);
IPin ip = pin.IPin, connected_ipin;
hr = ip.ConnectedTo(out connected_ipin);
if (hr != 0)
{
continue;
}
PinInfo cpi;
connected_ipin.QueryPinInfo(out cpi);
FilterInfo cfi;
cpi.filter.QueryFilterInfo(out cfi);
Filter connected_filter = FindFilterByName(cfi.achName);
if (connected_filter != null)
{
Pin cp = connected_filter.FindPinByName(connected_filter.Name + "." + cpi.name);
if (cp != null)
{
string con_uniqname = (pin.Direction == PinDirection.Input) ?
cp.UniqName + "-" + pin.UniqName : pin.UniqName + "-" + cp.UniqName;
PinConnection con = FindConnectionByName(con_uniqname);
if (con == null)
{
if (pin.Direction == PinDirection.Input)
{
Connect(cp, pin);
}
else
{
Connect(pin, cp);
}
}
}
}
DsUtils.FreePinInfo(cpi);
}
}
Marshal.FreeHGlobal(fetched);
if (hr < 0)
{
DsError.ThrowExceptionForHR(hr);
}
}
catch (COMException e)
{
ShowCOMException(e, "Error while enumerating filters in the graph");
return;
}
/*catch (Exception e)
* {
* MessageBox.Show(e.Message, "Error while enumerating filters in the graph");
* return;
* }*/
log("reload_filters: almost done");
history.CommitAdded();
log("reload_filters: done");
}
/// <summary>
/// Find all the filters connected downstream from the specified pin,
/// following all branches.
/// </summary>
/// <param name="pin"></param>
/// <returns></returns>
private List<IBaseFilter> EnumerateDownstreamFromPin(IPin pin)
{
//Find the input pin that the target pin is connected to.
IPin connectedToInput;
try {
pin.ConnectedTo(out connectedToInput);
}
catch (COMException) {
//not connected
return new List<IBaseFilter>();
}
// Map that pin to the next filter.
_PinInfo pInfo;
connectedToInput.QueryPinInfo(out pInfo);
IBaseFilter connectedFilter = pInfo.pFilter;
//Add the filter to the list.
List<IBaseFilter> returnList = new List<IBaseFilter>();
returnList.Add(connectedFilter);
//Enumerate output pins of the filter
ArrayList outPins = Filter.GetPins(Filter.GetPins(connectedFilter), _PinDirection.PINDIR_OUTPUT);
foreach (IPin p in outPins) {
//recurse over each pin
returnList.AddRange(EnumerateDownstreamFromPin(p));
}
return returnList;
}
/*
* protected void InitAudioSampleGrabber()
* {
* // Get the graph builder
* IGraphBuilder graphBuilder = (mediaControl as IGraphBuilder);
* if (graphBuilder == null)
* return;
*
* try
* {
* // Build the sample grabber
* sampleGrabber = Activator.CreateInstance(Type.GetTypeFromCLSID(Filters.SampleGrabber, true))
* as ISampleGrabber;
*
* if (sampleGrabber == null)
* return;
*
* // Add it to the filter graph
* int hr = graphBuilder.AddFilter(sampleGrabber as IBaseFilter, "ProTONE_SampleGrabber");
* DsError.ThrowExceptionForHR(hr);
*
* AMMediaType mtAudio = new AMMediaType();
* mtAudio.majorType = MediaType.Audio;
* mtAudio.subType = MediaSubType.PCM;
* mtAudio.formatPtr = IntPtr.Zero;
*
* _actualAudioFormat = null;
*
* hr = sampleGrabber.SetMediaType(mtAudio);
* DsError.ThrowExceptionForHR(hr);
*
* hr = sampleGrabber.SetBufferSamples(true);
* DsError.ThrowExceptionForHR(hr);
*
* hr = sampleGrabber.SetOneShot(false);
* DsError.ThrowExceptionForHR(hr);
*
* hr = sampleGrabber.SetCallback(this, 1);
* DsError.ThrowExceptionForHR(hr);
*
* sampleAnalyzerMustStop.Reset();
* sampleAnalyzerThread = new Thread(new ThreadStart(SampleAnalyzerLoop));
* sampleAnalyzerThread.Priority = ThreadPriority.Highest;
* sampleAnalyzerThread.Start();
* }
* catch(Exception ex)
* {
* Logger.LogException(ex);
* }
*
* rotEntry = new DsROTEntry(graphBuilder as IFilterGraph);
* }*/
protected void InitAudioSampleGrabber_v2()
{
// Get the graph builder
IGraphBuilder graphBuilder = (mediaControl as IGraphBuilder);
if (graphBuilder == null)
{
return;
}
try
{
// Build the sample grabber
sampleGrabber = Activator.CreateInstance(Type.GetTypeFromCLSID(Filters.SampleGrabber, true))
as ISampleGrabber;
if (sampleGrabber == null)
{
return;
}
// Add it to the filter graph
int hr = graphBuilder.AddFilter(sampleGrabber as IBaseFilter, "ProTONE_SampleGrabber_v2");
DsError.ThrowExceptionForHR(hr);
IBaseFilter ffdAudioDecoder = null;
IPin ffdAudioDecoderOutput = null;
IPin soundDeviceInput = null;
IPin sampleGrabberInput = null;
IPin sampleGrabberOutput = null;
IntPtr pSoundDeviceInput = IntPtr.Zero;
// When using FFDShow, typically we'll find
// a ffdshow Audio Decoder connected to the sound device filter
//
// i.e. [ffdshow Audio Decoder] --> [DirectSound Device]
//
// Our audio sample grabber supports only PCM sample input and output.
// Its entire processing is based on this assumption.
//
// Thus need to insert the audio sample grabber between the ffdshow Audio Decoder and the sound device
// because this is the only place where we can find PCM samples. The sound device only accepts PCM.
//
// So we need to turn this graph:
//
// .. -->[ffdshow Audio Decoder]-->[DirectSound Device]
//
// into this:
//
// .. -->[ffdshow Audio Decoder]-->[Sample grabber]-->[DirectSound Device]
//
// Actions to do to achieve the graph change:
//
// 1. Locate the ffdshow Audio Decoder in the graph
// 2. Find its output pin and the pin that it's connected to
// 3. Locate the input and output pins of sample grabber
// 4. Disconnect the ffdshow Audio Decoder and its correspondent (sound device input pin)
// 5. Connect the ffdshow Audio Decoder to sample grabber input
// 6. Connect the sample grabber output to sound device input
// that's all.
// --------------
// 1. Locate the ffdshow Audio Decoder in the graph
hr = graphBuilder.FindFilterByName("ffdshow Audio Decoder", out ffdAudioDecoder);
DsError.ThrowExceptionForHR(hr);
// 2. Find its output pin and the pin that it's connected to
hr = ffdAudioDecoder.FindPin("Out", out ffdAudioDecoderOutput);
DsError.ThrowExceptionForHR(hr);
hr = ffdAudioDecoderOutput.ConnectedTo(out pSoundDeviceInput);
DsError.ThrowExceptionForHR(hr);
soundDeviceInput = new DSPin(pSoundDeviceInput).Value;
// 3. Locate the input and output pins of sample grabber
hr = (sampleGrabber as IBaseFilter).FindPin("In", out sampleGrabberInput);
DsError.ThrowExceptionForHR(hr);
hr = (sampleGrabber as IBaseFilter).FindPin("Out", out sampleGrabberOutput);
DsError.ThrowExceptionForHR(hr);
// 4. Disconnect the ffdshow Audio Decoder and its correspondent (sound device input pin)
hr = ffdAudioDecoderOutput.Disconnect();
DsError.ThrowExceptionForHR(hr);
hr = soundDeviceInput.Disconnect();
DsError.ThrowExceptionForHR(hr);
// 5. Connect the ffdshow Audio Decoder to sample grabber input
hr = graphBuilder.Connect(ffdAudioDecoderOutput, sampleGrabberInput);
DsError.ThrowExceptionForHR(hr);
// 6. Connect the sample grabber output to sound device input
hr = graphBuilder.Connect(sampleGrabberOutput, soundDeviceInput);
DsError.ThrowExceptionForHR(hr);
AMMediaType mtAudio = new AMMediaType();
mtAudio.majorType = MediaType.Audio;
mtAudio.subType = MediaSubType.PCM;
mtAudio.formatPtr = IntPtr.Zero;
_actualAudioFormat = null;
sampleGrabber.SetMediaType(mtAudio);
sampleGrabber.SetBufferSamples(true);
sampleGrabber.SetOneShot(false);
sampleGrabber.SetCallback(this, 1);
sampleAnalyzerMustStop.Reset();
sampleAnalyzerThread = new Thread(new ThreadStart(SampleAnalyzerLoop));
sampleAnalyzerThread.Priority = ThreadPriority.Highest;
sampleAnalyzerThread.Start();
}
catch (Exception ex)
{
Logger.LogException(ex);
}
rotEntry = new DsROTEntry(graphBuilder as IFilterGraph);
}
public int RebuildPin(IFilterGraph pGraph, IPin pPin)
{
//Set codec bool to false
ResetCodecBool();
IPin pinTo;
if (pPin != null)
{
int hr = pPin.ConnectedTo(out pinTo);
if (hr >= 0 && pinTo != null)
{
PinInfo pInfo;
pinTo.QueryPinInfo(out pInfo);
FilterInfo fInfo;
pInfo.filter.QueryFilterInfo(out fInfo);
if (pPin != null)
{
RebuildMediaType(pPin);
Log.Debug("VideoPlayer9: Rebuild LAV Delegate Info filter Name - {0}", fInfo.achName);
if (MediatypeVideo)
{
//Video Part
if (h264Codec)
{
if (fInfo.achName == filterConfig.VideoH264)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
}
else if (vc1Codec)
{
if (fInfo.achName == filterConfig.VideoVC1)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
}
else if (vc1ICodec)
{
if (fInfo.achName == filterConfig.VideoVC1I)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
}
else if (xvidCodec)
{
if (fInfo.achName == filterConfig.VideoXVID)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
}
else if (fInfo.achName == filterConfig.Video)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
iChangedMediaTypes = 2;
DoGraphRebuild();
Log.Debug("VideoPlayer9: Rebuild LAV Delegate filter Video");
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
else if (MediatypeAudio)
{
//Audio Part
if (aacCodec)
{
if (fInfo.achName == filterConfig.AudioAAC)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
}
if (aacCodecLav && fInfo.achName == LAV_AUDIO)
{
if (fInfo.achName == filterConfig.AudioAAC)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
}
else if ((!aacCodecLav || !aacCodec) && fInfo.achName == filterConfig.Audio)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
iChangedMediaTypes = 1;
DoGraphRebuild();
Log.Debug("VideoPlayer9: Rebuild LAV Delegate filter Audio");
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return 1;
}
else if (MediatypeSubtitle)
{
RebuildRelease(pInfo, fInfo, pinTo, pPin);
return -1;
}
}
DsUtils.FreePinInfo(pInfo);
DirectShowUtil.ReleaseComObject(fInfo.pGraph);
DirectShowUtil.ReleaseComObject(pinTo);
pinTo = null;
}
DirectShowUtil.ReleaseComObject(pPin);
pPin = null;
}
Log.Debug("VideoPlayer9: Rebuild LAV Delegate (No Rebuild from MP, LAV Will doing the job)");
return -1;
}
public static IBaseFilter AddToGraph(IGraphBuilder graphBuilder)
{
IBaseFilter vob = null;
using (Settings xmlreader = new MPSettings())
{
string engineType = xmlreader.GetValueAsString("subtitles", "engine", "DirectVobSub");
XySubFilter = engineType.Equals("XySubFilter");
}
if (!XySubFilter)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubAutoload, out vob);
if (vob == null)
{
//Try the "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubNormal, out vob);
}
}
else
{
//Try the XySubFilter "autoload" filter.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterAutoload, out vob);
if (vob != null)
{
return(vob);
}
//Try the XySubFilter "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterNormal, out vob);
if (vob != null)
{
return(vob);
}
vob = DirectShowUtil.AddFilterToGraph(graphBuilder, "XySubFilter");
if (vob == null)
{
Log.Warn("VideoPlayerVMR9: DirectVobSub or XySubFilter filter not found! You need to install XySubFilter");
return(null);
}
Log.Debug("VideoPlayerVMR9: VobSub filter added to graph");
return(vob);
}
//if the directvobsub filter has not been added to the graph. (i.e. with evr)
//we add a bit more intelligence to determine if subtitles are enabled.
//and if subtitles are present for the video / movie then we add it if necessary to the graph.
if (vob == null)
{
Log.Info("VideoPlayerVMR9: No VobSub filter in the current graph");
//the filter has not been added lets check if it should be added or not.
//add the filter to the graph
vob = DirectShowUtil.AddFilterToGraph(graphBuilder, "DirectVobSub");
if (vob == null)
{
Log.Warn("VideoPlayerVMR9: DirectVobSub or XySubFilter filter not found! You need to install VSFilter");
return(null);
}
Log.Debug("VideoPlayerVMR9: VobSub filter added to graph");
}
else // VobSub already loaded
{
return(vob);
}
// Check if Haali Media Splitter is in the graph.
IBaseFilter hms = null;
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.HaaliGuid, out hms);
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.MPCMatroska, out hms);
}
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.MPCMatroskaSource, out hms);
}
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.LAVFilter, out hms);
}
if (hms == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.LAVFilterSource, out hms);
}
if (hms != null)
{
IPin pinSubTo = null;
// It is. Connect it' subtitle output pin (if any) to Vobsub's subtitle input.
pinSubTo = DirectShowUtil.FindPin(hms, PinDirection.Output, "Subtitle");
if (pinSubTo == null)
{
while (true)
{
IPin freeSubtitle = DirectShowUtil.FindFirstFreePinSub(hms, PinDirection.Output, "");
IPin freeVobSub = DirectShowUtil.FindFirstFreePin(vob, PinDirection.Input, "Input");
if (freeSubtitle != null && freeVobSub != null)
{
Log.Debug("VideoPlayerVMR9: Connecting Matroska's subtitle output to VobSub's input.");
graphBuilder.Connect(freeSubtitle, freeVobSub);
DirectShowUtil.ReleaseComObject(freeSubtitle);
freeSubtitle = null;
DirectShowUtil.ReleaseComObject(freeVobSub);
freeVobSub = null;
}
else
{
break;
}
}
}
DirectShowUtil.ReleaseComObject(hms);
hms = null;
if (pinSubTo != null)
{
Log.Debug("VideoPlayerVMR9: Connecting Haali's subtitle output to VobSub's input.");
// Try to render pins
IPin pinVobSubSub = DirectShowUtil.FindPin(vob, PinDirection.Input, "Input");
// If pinSubTo is already connected (disconnect it)
graphBuilder.Disconnect(pinSubTo);
graphBuilder.Connect(pinSubTo, pinVobSubSub);
DirectShowUtil.ReleaseComObject(pinSubTo);
pinSubTo = null;
DirectShowUtil.ReleaseComObject(pinVobSubSub);
pinVobSubSub = null;
}
}
// Now check if vobsub's video input is not connected.
// Check only if vmr9 is connected (render was successful).
VMR9Util Vmr9 = VMR9Util.g_vmr9;
if (Vmr9.IsVMR9Connected)
{
Log.Debug("VideoPlayerVMR9: Connect VobSub's video pins");
IPin pinVobSubVideoIn = DsFindPin.ByDirection(vob, PinDirection.Input, 0);
IPin pinVobSubVideoOut = DsFindPin.ByDirection(vob, PinDirection.Output, 0);
// This is the pin that we will connect to vobsub's input.
IPin pinVideoTo = Vmr9.PinConnectedTo;
IPin pinVideoFrom = null;
pinVideoTo.ConnectedTo(out pinVideoFrom);
pinVideoTo.Disconnect();
pinVideoFrom.Disconnect();
//Now make connection to VobSub
int hr = graphBuilder.Connect(pinVideoTo, pinVobSubVideoIn);
//hr = graphBuilder.Render(pinVideoFrom);
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: could not connect Vobsub's input video pin");
return(null);
}
hr = graphBuilder.Connect(pinVobSubVideoOut, pinVideoFrom);
//hr = graphBuilder.Render(pinVobSubVideoOut);
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: could not connect Vobsub's output video pin");
return(null);
}
Log.Debug("VideoPlayerVMR9: Vobsub's video pins connected");
DirectShowUtil.ReleaseComObject(pinVideoTo);
pinVideoTo = null;
DirectShowUtil.ReleaseComObject(pinVobSubVideoIn);
pinVobSubVideoIn = null;
DirectShowUtil.ReleaseComObject(pinVobSubVideoOut);
pinVobSubVideoOut = null;
DirectShowUtil.ReleaseComObject(pinVideoFrom);
pinVideoFrom = null;
}
Vmr9 = null;
return(vob);
}
private static bool HasConnection(IPin pin)
{
IPin pinInConnected;
int hr = pin.ConnectedTo(out pinInConnected);
if (hr != 0 || pinInConnected == null)
{
return false;
}
else
{
ReleaseComObject(pinInConnected);
return true;
}
}
public static VideoInfoHeader2 GetSBEFrameSize(string pathToFile)
{
int hr = 0;
IGraphBuilder graph = null;
IBaseFilter capFilter = null;
IBaseFilter nRender = null;
try
{
graph = (IGraphBuilder) new FilterGraph();
hr = graph.AddSourceFilter(pathToFile, "Source", out capFilter);
DsError.ThrowExceptionForHR(hr);
#if DEBUG
using (DsROTEntry rot = new DsROTEntry(graph))
{
#endif
IPin vPin = null;
IBaseFilter dec = null;
IPin sgIn = null;
IBaseFilter mpegDec = null;
try
{
dec = (IBaseFilter) new DTFilter();
hr = graph.AddFilter(dec, "Decrypt");
DsError.ThrowExceptionForHR(hr);
nRender = (IBaseFilter) new NullRenderer();
hr = graph.AddFilter((IBaseFilter)nRender, "Video Null Renderer");
DsError.ThrowExceptionForHR(hr);
IBaseFilter dec1 = FilterDefinition.AddToFilterGraph(FatAttitude.WTVTranscoder.FilterDefinitions.Decrypt.DTFilterPBDA, ref graph, "Decrypt1");
if (dec1 != null)
{
Marshal.ReleaseComObject(dec1);
}
dec1 = null;
mpegDec = FilterDefinition.AddToFilterGraph(FatAttitude.WTVTranscoder.FilterDefinitions.Video.VideoDecoderMpeg, ref graph, "MS MPEG Decoder");
sgIn = DsFindPin.ByDirection(mpegDec, PinDirection.Input, 0);
IEnumPins ppEnum;
IPin[] pPins = new IPin[1];
hr = capFilter.EnumPins(out ppEnum);
DsError.ThrowExceptionForHR(hr);
try
{
while (ppEnum.Next(1, pPins, IntPtr.Zero) == 0)
{
IEnumMediaTypes emtDvr = null;
AMMediaType[] amtDvr = new AMMediaType[1];
try
{
pPins[0].EnumMediaTypes(out emtDvr);
hr = emtDvr.Next(1, amtDvr, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
if (amtDvr[0].majorType == MediaType.Video)
{
if (graph.Connect(pPins[0], sgIn) >= 0)
{
vPin = pPins[0];
break;
}
}
if (pPins[0] != null)
{
Marshal.ReleaseComObject(pPins[0]);
}
}
finally
{
if (emtDvr != null)
{
Marshal.ReleaseComObject(emtDvr);
}
DsUtils.FreeAMMediaType(amtDvr[0]);
}
}
}
finally
{
if (ppEnum != null)
{
Marshal.ReleaseComObject(ppEnum);
}
}
FilterGraphTools.RenderPin(graph, mpegDec, "Video Output 1");
}
finally
{
if (vPin != null)
{
Marshal.ReleaseComObject(vPin);
}
if (dec != null)
{
Marshal.ReleaseComObject(dec);
}
if (sgIn != null)
{
Marshal.ReleaseComObject(sgIn);
}
if (mpegDec != null)
{
Marshal.ReleaseComObject(mpegDec);
}
}
EventCode ec;
IMediaControl mControl = graph as IMediaControl;
IMediaEvent mEvent = graph as IMediaEvent;
hr = mControl.Pause();
DsError.ThrowExceptionForHR(hr);
hr = mControl.Run();
DsError.ThrowExceptionForHR(hr);
hr = mEvent.WaitForCompletion(1000, out ec);
//DsError.ThrowExceptionForHR(hr);
hr = mControl.Pause();
DsError.ThrowExceptionForHR(hr);
hr = mControl.Stop();
DsError.ThrowExceptionForHR(hr);
IPin mpgOut = null;
sgIn = null;
AMMediaType mt = new AMMediaType();
try
{
sgIn = DsFindPin.ByDirection(nRender, PinDirection.Input, 0);
if (sgIn != null)
{
hr = sgIn.ConnectedTo(out mpgOut);
DsError.ThrowExceptionForHR(hr);
hr = graph.RemoveFilter(nRender);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(nRender);
nRender = null;
nRender = (IBaseFilter) new NullRenderer();
hr = graph.AddFilter((IBaseFilter)nRender, "Video Null Renderer");
DsError.ThrowExceptionForHR(hr);
hr = graph.Render(mpgOut);
DsError.ThrowExceptionForHR(hr);
hr = mpgOut.ConnectionMediaType(mt);
DsError.ThrowExceptionForHR(hr);
if (mt.formatType == FormatType.VideoInfo2)
{
VideoInfoHeader2 vih = (VideoInfoHeader2)Marshal.PtrToStructure(mt.formatPtr, typeof(VideoInfoHeader2));
return(vih);
}
}
}
finally
{
DsUtils.FreeAMMediaType(mt);
if (mpgOut != null)
{
Marshal.ReleaseComObject(mpgOut);
}
if (sgIn != null)
{
Marshal.ReleaseComObject(sgIn);
}
}
#if DEBUG
}
#endif
}
finally
{
if (nRender != null)
{
Marshal.ReleaseComObject(nRender);
}
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
}
if (graph != null)
{
while (Marshal.ReleaseComObject(graph) > 0)
{
;
}
}
}
return(null);
}
public static void RemoveFromGraph(IGraphBuilder graphBuilder)
{
IBaseFilter vob = null;
using (Settings xmlreader = new MPSettings())
{
string engineType = xmlreader.GetValueAsString("subtitles", "engine", "DirectVobSub");
XySubFilter = engineType.Equals("XySubFilter");
}
if (!XySubFilter)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubAutoload, out vob);
if (vob == null)
{
//Try the "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.DirectVobSubNormal, out vob);
}
}
if (vob == null)
{
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterAutoload, out vob);
if (vob != null)
{
//remove the XySubFilter filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
return;
}
//Try the XySubFilter "normal" filter then.
DirectShowUtil.FindFilterByClassID(graphBuilder, ClassId.XySubFilterNormal, out vob);
if (vob != null)
{
//remove the XySubFilter filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
}
return;
}
Log.Info("VideoPlayerVMR9: DirectVobSub in graph, removing...");
// Check where video inputs are connected
IPin pinVideoIn = DsFindPin.ByDirection(vob, PinDirection.Input, 0);
IPin pinVideoOut = DsFindPin.ByDirection(vob, PinDirection.Output, 0);
//find directvobsub's video output pin source input pin
IPin pinVideoTo = null;
if (pinVideoOut != null)
{
pinVideoOut.ConnectedTo(out pinVideoTo);
}
//find directvobsub's video input pin source output pin
IPin pinVideoFrom = null;
if (pinVideoIn != null)
{
pinVideoIn.ConnectedTo(out pinVideoFrom);
}
int hr = 0;
if (pinVideoFrom != null)
{
hr = pinVideoFrom.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting source pin");
}
}
if (pinVideoTo != null)
{
hr = pinVideoTo.Disconnect();
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: DirectVobSub failed disconnecting destination pin");
}
}
//remove the DirectVobSub filter from the graph
graphBuilder.RemoveFilter(vob);
DirectShowUtil.ReleaseComObject(vob);
vob = null;
//reconnect the source output pin to the vmr9/evr filter
if (pinVideoFrom != null)
{
if (pinVideoTo != null)
{
hr = graphBuilder.Connect(pinVideoFrom, pinVideoTo);
}
//hr = graphBuilder.Render(pinVideoFrom);
DirectShowUtil.ReleaseComObject(pinVideoFrom);
pinVideoFrom = null;
}
if (pinVideoTo != null)
{
DirectShowUtil.ReleaseComObject(pinVideoTo);
pinVideoTo = null;
}
if (pinVideoOut != null)
{
DirectShowUtil.ReleaseComObject(pinVideoOut);
pinVideoOut = null;
}
if (pinVideoIn != null)
{
DirectShowUtil.ReleaseComObject(pinVideoIn);
pinVideoIn = null;
}
if (hr != 0)
{
Log.Error("VideoPlayerVMR9: Could not connect video out to video renderer: {0}", hr);
}
else
{
Log.Debug("VideoPlayerVMR9: DirectVobSub graph rebuild finished");
}
}
private void SetupSampleGrabber()
{
if (_graph == null)
{
return;
}
int hr;
//Get directsound filter
IBaseFilter directSoundFilter;
hr = _graph.FindFilterByName(DEFAULT_AUDIO_RENDERER_NAME, out directSoundFilter);
DsError.ThrowExceptionForHR(hr);
IPin rendererPinIn = DsFindPin.ByConnectionStatus(directSoundFilter, PinConnectedStatus.Connected, 0);
if (rendererPinIn != null)
{
IPin audioPinOut;
hr = rendererPinIn.ConnectedTo(out audioPinOut);
DsError.ThrowExceptionForHR(hr);
if (audioPinOut != null)
{
//Disconect audio decoder to directsound renderer
hr = audioPinOut.Disconnect();
DsError.ThrowExceptionForHR(hr);
hr = _graph.RemoveFilter(directSoundFilter);
DsError.ThrowExceptionForHR(hr);
//Add Sample Grabber
ISampleGrabber sampleGrabber = new SampleGrabber() as ISampleGrabber;
hr = sampleGrabber.SetCallback(this, 1);
DsError.ThrowExceptionForHR(hr);
AMMediaType media;
media = new AMMediaType();
media.majorType = MediaType.Audio;
media.subType = MediaSubType.PCM;
media.formatType = FormatType.WaveEx;
hr = sampleGrabber.SetMediaType(media);
DsError.ThrowExceptionForHR(hr);
IPin sampleGrabberPinIn = DsFindPin.ByDirection((IBaseFilter)sampleGrabber, PinDirection.Input, 0);
IPin sampleGrabberPinOut = DsFindPin.ByDirection((IBaseFilter)sampleGrabber, PinDirection.Output, 0);
hr = _graph.AddFilter((IBaseFilter)sampleGrabber, "SampleGrabber");
DsError.ThrowExceptionForHR(hr);
PinInfo pinInfo;
hr = audioPinOut.QueryPinInfo(out pinInfo);
DsError.ThrowExceptionForHR(hr);
FilterInfo filterInfo;
hr = pinInfo.filter.QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
hr = _graph.Connect(audioPinOut, sampleGrabberPinIn);
DsError.ThrowExceptionForHR(hr);
//Add null renderer
NullRenderer nullRenderer = new NullRenderer();
hr = _graph.AddFilter((IBaseFilter)nullRenderer, "NullRenderer");
DsError.ThrowExceptionForHR(hr);
IPin nullRendererPinIn = DsFindPin.ByDirection((IBaseFilter)nullRenderer, PinDirection.Input, 0);
hr = _graph.Connect(sampleGrabberPinOut, nullRendererPinIn);
DsError.ThrowExceptionForHR(hr);
_audioEngine.Setup(this.GetSampleGrabberFormat(sampleGrabber));
}
}
}
public void TestConnectDisconnectConnectedToConnectionMediaType()
{
int hr;
IBaseFilter aviSplitter = null;
IBaseFilter ibfAVISource = null;
IPin pinIn = null;
IPin pinOut = null;
IFilterGraph2 graphBuilder = new FilterGraph() as IFilterGraph2;
try
{
ibfAVISource = new AsyncReader() as IBaseFilter;
// Add it to the graph
hr = graphBuilder.AddFilter(ibfAVISource, "Ds.NET AsyncReader");
Marshal.ThrowExceptionForHR(hr);
// Set the file name
IFileSourceFilter fsf = ibfAVISource as IFileSourceFilter;
hr = fsf.Load(@"foo.avi", null);
Marshal.ThrowExceptionForHR(hr);
pinOut = DsFindPin.ByDirection(ibfAVISource, PinDirection.Output, 0);
// Get the avi splitter
aviSplitter = (IBaseFilter) new AviSplitter();
// Add it to the graph
hr = graphBuilder.AddFilter(aviSplitter, "Ds.NET AviSplitter");
Marshal.ThrowExceptionForHR(hr);
pinIn = DsFindPin.ByDirection(aviSplitter, PinDirection.Input, 0);
Assert.IsNotNull(pinOut);
Assert.IsNotNull(pinIn);
// Test Connect
hr = pinOut.Connect(pinIn, null);
Marshal.ThrowExceptionForHR(hr);
// Test ConnectedTo
IPin pinConnect;
hr = pinOut.ConnectedTo(out pinConnect);
Marshal.ThrowExceptionForHR(hr);
Assert.AreEqual(pinIn, pinConnect);
// Test ConnectionMediaType
AMMediaType mediaType = new AMMediaType();
hr = pinIn.ConnectionMediaType(mediaType);
Marshal.ThrowExceptionForHR(hr);
Assert.IsNotNull(mediaType);
Assert.IsNotNull(mediaType.majorType);
// Test Disconnect
hr = pinOut.Disconnect();
Marshal.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(graphBuilder);
}
}
public static bool DisconnectPin(IGraphBuilder graphBuilder, IPin pin)
{
IPin other;
int hr = pin.ConnectedTo(out other);
bool allDisconnected = true;
PinInfo info;
pin.QueryPinInfo(out info);
DsUtils.FreePinInfo(info);
Log.Info("Disconnecting pin {0}", info.name);
if (hr == 0 && other != null)
{
other.QueryPinInfo(out info);
if (!DisconnectAllPins(graphBuilder, info.filter))
{
allDisconnected = false;
}
hr = pin.Disconnect();
if (hr != 0)
{
allDisconnected = false;
Log.Error("Error disconnecting: {0:x}", hr);
}
hr = other.Disconnect();
if (hr != 0)
{
allDisconnected = false;
Log.Error("Error disconnecting other: {0:x}", hr);
}
DsUtils.FreePinInfo(info);
ReleaseComObject(other);
}
else
{
Log.Info(" Not connected");
}
return allDisconnected;
}
// This function is called recursively, every time a new crossbar is
// entered as we search upstream.
//
// Return values:
//
// 0 - Returned on final exit after recursive search if at least
// one routing is possible
// 1 - Normal return indicating we've reached the end of a
// recursive search, so save the current path
// -1 - Unable to route anything
private int BuildRoutingList(IPin startingInputPin, Routing routing, int depth)
{
if (startingInputPin == null || routing == null)
{
return(-1); // E_POINTER;
}
// If the pin isn't connected, then it's a terminal pin
IPin startingOutputPin = null;
int hr = startingInputPin.ConnectedTo(out startingOutputPin);
if (hr != 0)
{
return((depth == 0) ? -1 : 1);
}
// It is connected, so now find out if the filter supports IAMCrossbar
PinInfo pinInfo;
if (startingOutputPin.QueryPinInfo(out pinInfo) == 0)
{
//ASSERT (pinInfo.dir == PINDIR_OUTPUT);
IAMCrossbar crossbar = pinInfo.filter as IAMCrossbar;
if (crossbar != null)
{
int inputs, outputs, inputIndex, outputIndex;
int inputIndexRelated, outputIndexRelated;
PhysicalConnectorType inputPhysicalType, outputPhysicalType;
hr = crossbar.get_PinCounts(out outputs, out inputs);
// for all output pins
for (outputIndex = 0; outputIndex < outputs; outputIndex++)
{
hr = crossbar.get_CrossbarPinInfo(false, outputIndex, out outputIndexRelated, out outputPhysicalType);
// for all input pins
for (inputIndex = 0; inputIndex < inputs; inputIndex++)
{
hr = crossbar.get_CrossbarPinInfo(true, inputIndex, out inputIndexRelated, out inputPhysicalType);
// Can we route it?
if (crossbar.CanRoute(outputIndex, inputIndex) == 0)
{
IPin pPin = null;
hr = GetCrossbarPinAtIndex(crossbar, inputIndex, true, out pPin);
// We've found a route through this crossbar
// so save our state before recusively searching
// again.
Routing routingNext = new Routing();
// doubly linked list
routingNext.rightRouting = routing;
routing.leftRouting = routingNext;
routing.crossbar = crossbar;
routing.inputIndex = inputIndex;
routing.outputIndex = outputIndex;
routing.inputIndexRelated = inputIndexRelated;
routing.outputIndexRelated = outputIndexRelated;
routing.inputPhysicalType = inputPhysicalType;
routing.outputPhysicalType = outputPhysicalType;
routing.depth = depth;
routing.inputName = this.pinNameByPhysicalConnectorType[inputPhysicalType] as string;
hr = BuildRoutingList(pPin, routingNext, depth + 1);
if (hr == 1)
{
routing.leftRouting = null;
SaveRouting(routing, inputPhysicalType >= PhysicalConnectorType.Audio_Tuner);
}
} // if we can route
} // for all input pins
}
//pXbar.Release();
}
else
{
// The filter doesn't support IAMCrossbar, so this
// is a terminal pin
DsUtils.FreePinInfo(pinInfo);
Marshal.ReleaseComObject(startingOutputPin);
return((depth == 0) ? -1 : 1);
}
DsUtils.FreePinInfo(pinInfo);
}
Marshal.ReleaseComObject(startingOutputPin);
return(0);
}
public static void RemoveDownStreamFilters(IGraphBuilder graphBuilder, IPin pin)
{
IPin pinConnected;
pin.ConnectedTo(out pinConnected);
if (pinConnected == null)
{
return;
}
PinInfo info;
pinConnected.QueryPinInfo(out info);
if (info.filter != null)
{
RemoveDownStreamFilters(graphBuilder, info.filter, true);
}
DsUtils.FreePinInfo(info);
}
// This function is called recursively, every time a new crossbar is
// entered as we search upstream.
//
// Return values:
//
// 0 - Returned on final exit after recursive search if at least
// one routing is possible
// 1 - Normal return indicating we've reached the end of a
// recursive search, so save the current path
// -1 - Unable to route anything
private int BuildRoutingList(IPin startingInputPin, Routing routing, int depth)
{
if (startingInputPin == null || routing == null)
return -1; // E_POINTER;
// If the pin isn't connected, then it's a terminal pin
IPin startingOutputPin = null;
int hr = startingInputPin.ConnectedTo(out startingOutputPin);
if (hr != 0)
return ((depth == 0) ? -1 : 1);
// It is connected, so now find out if the filter supports IAMCrossbar
PinInfo pinInfo;
if (startingOutputPin.QueryPinInfo(out pinInfo) == 0)
{
//ASSERT (pinInfo.dir == PINDIR_OUTPUT);
IAMCrossbar crossbar = pinInfo.filter as IAMCrossbar;
if (crossbar != null)
{
int inputs, outputs, inputIndex, outputIndex;
int inputIndexRelated, outputIndexRelated;
PhysicalConnectorType inputPhysicalType, outputPhysicalType;
hr = crossbar.get_PinCounts(out outputs, out inputs);
// for all output pins
for (outputIndex = 0; outputIndex < outputs; outputIndex++)
{
hr = crossbar.get_CrossbarPinInfo(false, outputIndex, out outputIndexRelated, out outputPhysicalType);
// for all input pins
for (inputIndex = 0; inputIndex < inputs; inputIndex++)
{
hr = crossbar.get_CrossbarPinInfo(true, inputIndex, out inputIndexRelated, out inputPhysicalType);
// Can we route it?
if (crossbar.CanRoute(outputIndex, inputIndex) == 0)
{
IPin pPin = null;
hr = GetCrossbarPinAtIndex(crossbar, inputIndex, true, out pPin);
// We've found a route through this crossbar
// so save our state before recusively searching
// again.
Routing routingNext = new Routing();
// doubly linked list
routingNext.rightRouting = routing;
routing.leftRouting = routingNext;
routing.crossbar = crossbar;
routing.inputIndex = inputIndex;
routing.outputIndex = outputIndex;
routing.inputIndexRelated = inputIndexRelated;
routing.outputIndexRelated = outputIndexRelated;
routing.inputPhysicalType = inputPhysicalType;
routing.outputPhysicalType = outputPhysicalType;
routing.depth = depth;
routing.inputName = this.pinNameByPhysicalConnectorType[inputPhysicalType] as string;
hr = BuildRoutingList(pPin, routingNext, depth + 1);
if (hr == 1)
{
routing.leftRouting = null;
SaveRouting(routing, inputPhysicalType >= PhysicalConnectorType.Audio_Tuner);
}
} // if we can route
} // for all input pins
}
//pXbar.Release();
}
else
{
// The filter doesn't support IAMCrossbar, so this
// is a terminal pin
DsUtils.FreePinInfo(pinInfo);
Marshal.ReleaseComObject(startingOutputPin);
return (depth == 0) ? -1 : 1;
}
DsUtils.FreePinInfo(pinInfo);
}
Marshal.ReleaseComObject(startingOutputPin);
return 0;
}
public static void tオーディオレンダラをNullレンダラに変えてフォーマットを取得する(IGraphBuilder graphBuilder, out WaveFormat wfx, out byte[] wfx拡張データ)
{
int hr = 0;
IBaseFilter audioRenderer = null;
IPin rendererInputPin = null;
IPin rendererConnectedOutputPin = null;
IBaseFilter nullRenderer = null;
IPin nullRendererInputPin = null;
wfx = null;
wfx拡張データ = new byte[0];
try
{
// audioRenderer を探す。
audioRenderer = CDirectShow.tオーディオレンダラを探して返す(graphBuilder);
if (audioRenderer == null)
{
return; // なかった
}
#region [ 音量ゼロで一度再生する。（オーディオレンダラの入力ピンMediaTypeが、接続時とは異なる「正しいもの」に変わる可能性があるため。）]
//-----------------
{
// ここに来た時点で、グラフのビデオレンダラは無効化（NullRendererへの置換や除去など）しておくこと。
// さもないと、StopWhenReady() 時に一瞬だけ Activeウィンドウが表示されてしまう。
var mediaCtrl = (IMediaControl)graphBuilder;
var basicAudio = (IBasicAudio)graphBuilder;
basicAudio.put_Volume(-10000); // 最小音量
// グラフを再生してすぐ止める。（Paused → Stopped へ遷移する）
mediaCtrl.StopWhenReady();
// グラフが Stopped に遷移完了するまで待つ。（StopWhenReady() はグラフが Stopped になるのを待たずに帰ってくる。）
FilterState fs = FilterState.Paused;
hr = CWin32.S_FALSE;
while (fs != FilterState.Stopped || hr != CWin32.S_OK)
{
hr = mediaCtrl.GetState(10, out fs);
}
// 終了処理。
basicAudio.put_Volume(0); // 最大音量
basicAudio = null;
mediaCtrl = null;
}
//-----------------
#endregion
// audioRenderer の入力ピンを探す。
rendererInputPin = t最初の入力ピンを探して返す(audioRenderer);
if (rendererInputPin == null)
{
return;
}
// WAVEフォーマットを取得し、wfx 引数へ格納する。
var type = new AMMediaType();
hr = rendererInputPin.ConnectionMediaType(type);
DsError.ThrowExceptionForHR(hr);
try
{
wfx = new WaveFormat();
#region [ type.formatPtr から wfx に、拡張領域を除くデータをコピーする。]
//-----------------
var wfxTemp = new WaveFormatEx(); // SharpDX.Multimedia.WaveFormat は Marshal.PtrToStructure() で使えないので、それが使える DirectShowLib.WaveFormatEx を介して取得する。（面倒…）
Marshal.PtrToStructure(type.formatPtr, (object)wfxTemp);
wfx = WaveFormat.CreateCustomFormat((WaveFormatEncoding)wfxTemp.wFormatTag, wfxTemp.nSamplesPerSec, wfxTemp.nChannels, wfxTemp.nAvgBytesPerSec, wfxTemp.nBlockAlign, wfxTemp.wBitsPerSample);
//-----------------
#endregion
#region [ 拡張領域が存在するならそれを wfx拡張データ に格納する。 ]
//-----------------
int nWaveFormatEx本体サイズ = 16 + 2; // sizeof( WAVEFORMAT ) + sizof( WAVEFORMATEX.cbSize )
int nはみ出しサイズbyte = type.formatSize - nWaveFormatEx本体サイズ;
if (nはみ出しサイズbyte > 0)
{
wfx拡張データ = new byte[nはみ出しサイズbyte];
var hGC = GCHandle.Alloc(wfx拡張データ, GCHandleType.Pinned); // 動くなよー
unsafe
{
byte *src = (byte *)type.formatPtr.ToPointer();
byte *dst = (byte *)hGC.AddrOfPinnedObject().ToPointer();
CWin32.CopyMemory(dst, src + nWaveFormatEx本体サイズ, (uint)nはみ出しサイズbyte);
}
hGC.Free();
}
//-----------------
#endregion
}
finally
{
if (type != null)
{
DsUtils.FreeAMMediaType(type);
}
}
// audioRenderer につながる出力ピンを探す。
hr = rendererInputPin.ConnectedTo(out rendererConnectedOutputPin);
DsError.ThrowExceptionForHR(hr);
// audioRenderer をグラフから切断する。
rendererInputPin.Disconnect();
rendererConnectedOutputPin.Disconnect();
// audioRenderer をグラフから除去する。
hr = graphBuilder.RemoveFilter(audioRenderer);
DsError.ThrowExceptionForHR(hr);
// nullRenderer を作成し、グラフに追加する。
nullRenderer = (IBaseFilter) new NullRenderer();
hr = graphBuilder.AddFilter(nullRenderer, "Audio Null Renderer");
DsError.ThrowExceptionForHR(hr);
// nullRenderer の入力ピンを探す。
hr = nullRenderer.FindPin("In", out nullRendererInputPin);
DsError.ThrowExceptionForHR(hr);
// nullRenderer をグラフに接続する。
hr = rendererConnectedOutputPin.Connect(nullRendererInputPin, null);
DsError.ThrowExceptionForHR(hr);
}
finally
{
CCommon.tReleaseComObject(ref nullRendererInputPin);
CCommon.tReleaseComObject(ref nullRenderer);
CCommon.tReleaseComObject(ref rendererConnectedOutputPin);
CCommon.tReleaseComObject(ref rendererInputPin);
CCommon.tReleaseComObject(ref audioRenderer);
}
}
