/// <summary> create the used COM components and get the interfaces. </summary>
protected virtual bool GetInterfaces(string filename)
{
Log.Info("StreambufferPlayer:GetInterfaces()");
//Type comtype = null;
object comobj = null;
try
{
_graphBuilder = (IGraphBuilder)new FilterGraph();
_bufferSource = (IStreamBufferSource)new StreamBufferSource();
int hr;
m_StreamBufferConfig = new StreamBufferConfig();
streamConfig2 = m_StreamBufferConfig as IStreamBufferConfigure2;
if (streamConfig2 != null)
{
// setting the StreamBufferEngine registry key
IntPtr HKEY = (IntPtr)unchecked((int)0x80000002L);
IStreamBufferInitialize pTemp = (IStreamBufferInitialize)streamConfig2;
IntPtr subKey = IntPtr.Zero;
RegOpenKeyEx(HKEY, "SOFTWARE\\MediaPortal", 0, 0x3f, out subKey);
hr = pTemp.SetHKEY(subKey);
hr = streamConfig2.SetFFTransitionRates(8, 32);
//Log.Info("set FFTransitionRates:{0:X}",hr);
int max, maxnon;
hr = streamConfig2.GetFFTransitionRates(out max, out maxnon);
//Log.Info("get FFTransitionRates:{0} {1} {2:X}",max,maxnon,hr);
streamConfig2.GetBackingFileCount(out _minBackingFiles, out _maxBackingFiles);
streamConfig2.GetBackingFileDuration(out _backingFileDuration);
}
IBaseFilter filter = (IBaseFilter)_bufferSource;
_graphBuilder.AddFilter(filter, "SBE SOURCE");
IFileSourceFilter fileSource = (IFileSourceFilter)_bufferSource;
hr = fileSource.Load(filename, null);
// add preferred video & audio codecs
string strVideoCodec = "";
string strAudioCodec = "";
string strAudiorenderer = "";
int intFilters = 0; // FlipGer: count custom filters
string strFilters = ""; // FlipGer: collect custom filters
using (Settings xmlreader = new MPSettings())
{
_CodecSupportsFastSeeking = xmlreader.GetValueAsBool("debug", "CodecSupportsFastSeeking", false);
Log.Debug("BaseStreamBufferPlayer: Codec supports fast seeking = {0}", _CodecSupportsFastSeeking);
// FlipGer: load infos for custom filters
int intCount = 0;
while (xmlreader.GetValueAsString("mytv", "filter" + intCount.ToString(), "undefined") != "undefined")
{
if (xmlreader.GetValueAsBool("mytv", "usefilter" + intCount.ToString(), false))
{
strFilters += xmlreader.GetValueAsString("mytv", "filter" + intCount.ToString(), "undefined") + ";";
intFilters++;
}
intCount++;
}
strVideoCodec = xmlreader.GetValueAsString("mytv", "videocodec", "");
strAudioCodec = xmlreader.GetValueAsString("mytv", "audiocodec", "");
strAudiorenderer = xmlreader.GetValueAsString("mytv", "audiorenderer", "Default DirectSound Device");
string strValue = xmlreader.GetValueAsString("mytv", "defaultar", "Normal");
GUIGraphicsContext.ARType = Util.Utils.GetAspectRatio(strValue);
}
if (strVideoCodec.Length > 0)
{
_videoCodecFilter = DirectShowUtil.AddFilterToGraph(_graphBuilder, strVideoCodec);
}
if (strAudioCodec.Length > 0)
{
_audioCodecFilter = DirectShowUtil.AddFilterToGraph(_graphBuilder, strAudioCodec);
}
if (strAudiorenderer.Length > 0)
{
_audioRendererFilter = DirectShowUtil.AddAudioRendererToGraph(_graphBuilder, strAudiorenderer, true);
}
// FlipGer: add custom filters to graph
customFilters = new IBaseFilter[intFilters];
string[] arrFilters = strFilters.Split(';');
for (int i = 0; i < intFilters; i++)
{
customFilters[i] = DirectShowUtil.AddFilterToGraph(_graphBuilder, arrFilters[i]);
}
//render outputpins of SBE
DirectShowUtil.RenderOutputPins(_graphBuilder, (IBaseFilter)fileSource);
_mediaCtrl = (IMediaControl)_graphBuilder;
_videoWin = _graphBuilder as IVideoWindow;
_mediaEvt = (IMediaEventEx)_graphBuilder;
_mediaSeeking = _bufferSource as IStreamBufferMediaSeeking;
_mediaSeeking2 = _bufferSource as IStreamBufferMediaSeeking2;
if (_mediaSeeking == null)
{
Log.Error("Unable to get IMediaSeeking interface#1");
}
if (_mediaSeeking2 == null)
{
Log.Error("Unable to get IMediaSeeking interface#2");
}
if (_audioRendererFilter != null)
{
IMediaFilter mp = _graphBuilder as IMediaFilter;
IReferenceClock clock = _audioRendererFilter as IReferenceClock;
hr = mp.SetSyncSource(clock);
}
_basicVideo = _graphBuilder as IBasicVideo2;
_basicAudio = _graphBuilder as IBasicAudio;
//Log.Info("StreamBufferPlayer:SetARMode");
DirectShowUtil.SetARMode(_graphBuilder, AspectRatioMode.Stretched);
_graphBuilder.SetDefaultSyncSource();
//Log.Info("StreamBufferPlayer: set Deinterlace");
//Log.Info("StreamBufferPlayer: done");
return true;
}
catch (Exception ex)
{
Log.Error("StreamBufferPlayer:exception while creating DShow graph {0} {1}", ex.Message, ex.StackTrace);
return false;
}
finally
{
if (comobj != null)
{
DirectShowUtil.ReleaseComObject(comobj);
}
comobj = null;
}
}
void ITimeShifting.SetRate(double rate)
{
if (rate >= 0 && rate < 0.1)
{
rate = 0.1;
}
else if (rate < 0 && rate > -0.1)
{
rate = -0.1;
}
int hr = 0;
IStreamBufferMediaSeeking2 mediaSeeking2 = this.streamBufferSource as IStreamBufferMediaSeeking2;
if (mediaSeeking2 != null)
{
//mediaSeeking2.SetRateEx(rate, 25);
hr = mediaSeeking2.SetRateEx(rate, 25);
if (hr == 0)
{
return;
}
}
IStreamBufferMediaSeeking mediaSeeking1 = this.streamBufferSource as IStreamBufferMediaSeeking;
if (mediaSeeking1 != null)
{
hr = mediaSeeking1.SetRate(rate);
if (hr == 0)
{
return;
}
}
IMediaSeeking mediaSeeking0 = this.graphBuilder2 as IMediaSeeking;
if (mediaSeeking0 != null)
{
hr = mediaSeeking0.SetRate(rate);
if (hr == 0)
{
return;
}
}
}
/// <summary> do cleanup and release DirectShow. </summary>
protected virtual void CloseInterfaces()
{
int hr;
if (_graphBuilder == null)
{
Log.Info("StreamBufferPlayer:grapbuilder=null");
return;
}
Log.Info("StreamBufferPlayer:cleanup DShow graph");
try
{
if (_mediaCtrl != null)
{
hr = _mediaCtrl.Stop();
_mediaCtrl = null;
}
_state = PlayState.Init;
_mediaEvt = null;
_isWindowVisible = false;
_isVisible = false;
_videoWin = null;
_mediaSeeking = null;
_mediaSeeking2 = null;
_basicAudio = null;
_basicVideo = null;
_bufferSource = null;
if (_videoCodecFilter != null)
{
while ((hr = DirectShowUtil.ReleaseComObject(_videoCodecFilter)) > 0)
{
;
}
_videoCodecFilter = null;
}
if (_audioCodecFilter != null)
{
while ((hr = DirectShowUtil.ReleaseComObject(_audioCodecFilter)) > 0)
{
;
}
_audioCodecFilter = null;
}
if (_audioRendererFilter != null)
{
while ((hr = DirectShowUtil.ReleaseComObject(_audioRendererFilter)) > 0)
{
;
}
_audioRendererFilter = null;
}
// FlipGer: release custom filters
for (int i = 0; i < customFilters.Length; i++)
{
if (customFilters[i] != null)
{
while ((hr = DirectShowUtil.ReleaseComObject(customFilters[i])) > 0)
{
;
}
}
customFilters[i] = null;
}
if (streamConfig2 != null)
{
while ((hr = DirectShowUtil.ReleaseComObject(streamConfig2)) > 0)
{
;
}
streamConfig2 = null;
}
m_StreamBufferConfig = null;
if (_graphBuilder != null)
{
DirectShowUtil.RemoveFilters(_graphBuilder);
if (_rotEntry != null)
{
_rotEntry.SafeDispose();
_rotEntry = null;
}
while ((hr = DirectShowUtil.ReleaseComObject(_graphBuilder)) > 0)
{
;
}
_graphBuilder = null;
}
_state = PlayState.Init;
GUIGraphicsContext.form.Invalidate(true);
}
catch (Exception ex)
{
Log.Error("StreamBufferPlayer:exception while cleanuping DShow graph {0} {1}", ex.Message, ex.StackTrace);
}
//Log.Info("StreamBufferPlayer:cleanup done");
}
private void Configure()
{
// In order to lock a profile, you have to have at least one stream
// connected to the sink. I connect a video thru the DVVideoEnc into
// the StreamBufferSink.
int hr;
IBaseFilter pFilter;
ICaptureGraphBuilder2 icgb = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
StreamBufferSink sbk = new StreamBufferSink();
m_FilterGraph = (IFilterGraph2) new FilterGraph();
DsROTEntry ds = new DsROTEntry(m_FilterGraph);
hr = icgb.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
hr = m_FilterGraph.AddFilter((IBaseFilter)sbk, "StreamBufferSink");
DsError.ThrowExceptionForHR(hr);
DsDevice [] devs = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
hr = m_FilterGraph.AddSourceFilterForMoniker(devs[0].Mon, null, devs[0].Name, out pFilter);
DsError.ThrowExceptionForHR(hr);
DVVideoEnc dve = new DVVideoEnc();
IBaseFilter ibfVideoEnc = (IBaseFilter)dve;
hr = m_FilterGraph.AddFilter(ibfVideoEnc, "dvenc");
DsError.ThrowExceptionForHR(hr);
hr = icgb.RenderStream(null, null, pFilter, ibfVideoEnc, (IBaseFilter)sbk);
DsError.ThrowExceptionForHR(hr);
IStreamBufferSink isbc = (IStreamBufferSink)sbk;
hr = isbc.LockProfile(null);
DsError.ThrowExceptionForHR(hr);
IPin i = DsFindPin.ByDirection((IBaseFilter)sbk, PinDirection.Input, 0);
((IMediaControl)m_FilterGraph).Run();
// --------------------------
IBaseFilter streamBuffer = null;
m_FilterGraph2 = (IFilterGraph2) new FilterGraph();
DsROTEntry ds2 = new DsROTEntry(m_FilterGraph2);
streamBuffer = (IBaseFilter) new StreamBufferSource();
hr = m_FilterGraph2.AddFilter(streamBuffer, "Stream buffer sink");
DsError.ThrowExceptionForHR(hr);
IStreamBufferSource sbsrc = (IStreamBufferSource)streamBuffer;
hr = sbsrc.SetStreamSink(isbc);
DsError.ThrowExceptionForHR(hr);
IPin i2 = DsFindPin.ByDirection((IBaseFilter)streamBuffer, PinDirection.Output, 0);
((IMediaControl)m_FilterGraph2).Run();
m_sbms = (IStreamBufferMediaSeeking2)sbsrc;
// --------------------------
Marshal.ReleaseComObject(pFilter);
Marshal.ReleaseComObject(icgb);
}
