public void CloseInterfaces()
{
if (mediaEvent != null)
{
hresult = mediaControl.Stop();
Marshal.ThrowExceptionForHR(hresult);
}
mediaControl = null;
mediaEvent = null;
graphBuilder = null;
if (filterGraph != null) Marshal.ReleaseComObject(filterGraph);
filterGraph = null;
}
/// <summary>
/// Opens the media by initializing the DirectShow graph
//
// +----------------+ +----------------+ +-----------------------+
// +---------------------+ | LavVideo | | VobSub | | EVR+CustomPresenter |
// | LavSplitterSource | |----------------| |----------------| |-----------------------|
// +---------------------+ | | | | | |
// | | | | | | | VIDEO |
// | video +|->+---------+<-+ IN OUT +->+------+<-+ VID_IN OUT +-> +-+ <-+ RENDERER |
// | | +----------------+ | | | |
// | audio +|->+------+ | | +-----------------------+
// | | | +----------------+ +-+<-+ TXT_IN |
// | subtitle +|->+--+ | | LavAudio | | | |
// +---------------------+ | | |----------------| | +----------------+ +-----------------------+
// | | | | | | DShow output device |
// | | | | xxx |-----------------------|
// | +--+<-+ IN OUT +->+--x | x-----------------------+ | |
// | +----------------+ | | AUDIO |
// | | <-+ RENDERER |
// | | | |
// +--------------------------------+ +-----------------------+
//
/// </summary>
// protected virtual void OpenSource()
// {
// /* Make sure we clean up any remaining mess */
// //if (m_graph != null) RemoveAllFilters(m_graph);
// FreeResources();
// if (m_sourceUri == null)
// return;
// string fileSource = m_sourceUri.OriginalString;
// if (string.IsNullOrEmpty(fileSource))
// return;
// try
// {
// if (m_graph != null) Marshal.ReleaseComObject(m_graph);
// /* Creates the GraphBuilder COM object */
// m_graph = new FilterGraphNoThread() as IGraphBuilder;
// if (m_graph == null)
// throw new Exception("Could not create a graph");
// /* Add our prefered audio renderer */
// var audioRenderer = InsertAudioRenderer(AudioRenderer);
// if (_audioRenderer != null) Marshal.ReleaseComObject(_audioRenderer);
// _audioRenderer = audioRenderer;
// if ((System.Environment.OSVersion.Platform == PlatformID.Win32NT &&
// (System.Environment.OSVersion.Version.Major == 5)))
// VideoRenderer = VideoRendererType.VideoMixingRenderer9;
// IBaseFilter renderer = CreateVideoRenderer(VideoRenderer, m_graph, 2);
// if (_renderer != null) Marshal.ReleaseComObject(_renderer);
// _renderer = renderer;
// //if (_renderer != null)
// // m_graph.AddFilter((IBaseFilter)_renderer, "Renderer");
// var filterGraph = m_graph as IFilterGraph2;
// if (filterGraph == null)
// throw new Exception("Could not QueryInterface for the IFilterGraph2");
// ILAVAudioSettings lavAudioSettings;
// ILAVAudioStatus lavStatus;
// IBaseFilter audioDecoder = FilterProvider.GetAudioFilter(out lavAudioSettings, out lavStatus);
// if (audioDecoder != null)
// {
// if (_audio != null) Marshal.ReleaseComObject(_audio);
// _audio = audioDecoder;
// lavAudioSettings.SetRuntimeConfig(true);
// m_graph.AddFilter((IBaseFilter)_audio, "LavAudio");
// }
// ILAVSplitterSettings splitterSettings;
// IFileSourceFilter splitter = FilterProvider.GetSplitterSource(out splitterSettings);
// //IBaseFilter splitter = FilterProvider.GetSplitter(out splitterSettings);
// if (splitter != null)
// {
// splitter.Load(fileSource, null);
// if (_splitter != null) Marshal.ReleaseComObject(_splitter);
// _splitter = splitter;
// splitterSettings.SetRuntimeConfig(true);
// m_graph.AddFilter((IBaseFilter)splitter, "LavSplitter");
// }
// int hr = 0;
// /* We will want to enum all the pins on the source filter */
// IEnumPins pinEnum;
// hr = ((IBaseFilter)splitter).EnumPins(out pinEnum);
// DsError.ThrowExceptionForHR(hr);
// IntPtr fetched = IntPtr.Zero;
// IPin[] pins = { null };
// /* Counter for how many pins successfully rendered */
// if (VideoRenderer == VideoRendererType.VideoMixingRenderer9)
// {
// var mixer = renderer as IVMRMixerControl9;
// if (mixer != null)
// {
// VMR9MixerPrefs dwPrefs;
// mixer.GetMixingPrefs(out dwPrefs);
// dwPrefs &= ~VMR9MixerPrefs.RenderTargetMask;
// dwPrefs |= VMR9MixerPrefs.RenderTargetRGB;
// //mixer.SetMixingPrefs(dwPrefs);
// }
// }
// // Test using FFDShow Video Decoder Filter
// ILAVVideoSettings lavVideoSettings;
// IBaseFilter lavVideo = FilterProvider.GetVideoFilter(out lavVideoSettings);
// if (_video != null) Marshal.ReleaseComObject(_video);
// _video = lavVideo;
// IBaseFilter vobSub = FilterProvider.GetVobSubFilter();
// if (vobSub != null)
// {
// m_graph.AddFilter(vobSub, "VobSub");
// IDirectVobSub vss = vobSub as IDirectVobSub;
// if (_vobsub != null) Marshal.ReleaseComObject(_vobsub);
// _vobsub = vss;
// InitSubSettings();
// }
// if (lavVideo != null)
// {
// lavVideoSettings.SetRuntimeConfig(true);
// m_graph.AddFilter(lavVideo, "LavVideo");
// }
// int ret;
// IBaseFilter dcDsp = FilterProvider.GetDCDSPFilter();
// if (dcDsp != null)
// {
// _dspFilter = (IDCDSPFilterInterface)dcDsp;
// //hr = i.set_PCMDataBeforeMainDSP(true);
// hr = m_graph.AddFilter((IBaseFilter)dcDsp, "VobSub");
// ret = m_graph.Connect(DsFindPin.ByName((IBaseFilter)splitter, "Audio"), DsFindPin.ByDirection(audioDecoder, PinDirection.Input, 0));
// ret = m_graph.Connect(DsFindPin.ByDirection((IBaseFilter)audioDecoder, PinDirection.Output, 0), DsFindPin.ByDirection(_dspFilter, PinDirection.Input, 0));
// ret = m_graph.Connect(DsFindPin.ByDirection((IBaseFilter)_dspFilter, PinDirection.Output, 0), DsFindPin.ByDirection(audioRenderer, PinDirection.Input, 0));
// //bool d = false;
// //int delay = 0;
// //hr = i.get_EnableDelay(ref d);
// int cnt = 0;
// object intf = null;
// //hr = i.set_EnableDelay(true);
// //hr = i.set_Delay(0);
// hr = _dspFilter.set_AddFilter(0, TDCFilterType.ftEqualizer);
// hr = _dspFilter.get_FilterCount(ref cnt);
// hr = _dspFilter.get_FilterInterface(0, out intf);
// _equalizer = (IDCEqualizer)intf;
// hr = _dspFilter.set_AddFilter(0, TDCFilterType.ftDownMix);
// hr = _dspFilter.get_FilterInterface(0, out intf);
// _downmix = (IDCDownMix)intf;
// hr = _dspFilter.set_AddFilter(0, TDCFilterType.ftAmplify);
// hr = _dspFilter.get_FilterInterface(0, out intf);
// _amplify = (IDCAmplify)intf;
// _equalizer.set_Seperate(false);
// }
// bool subconnected = false;
// ret = m_graph.Connect(DsFindPin.ByName((IBaseFilter)splitter, "Video"), DsFindPin.ByDirection(lavVideo, PinDirection.Input, 0));
// ret = m_graph.Connect(DsFindPin.ByDirection((IBaseFilter)lavVideo, PinDirection.Output, 0), DsFindPin.ByDirection(vobSub, PinDirection.Input, 0));
// if (ret == 0)
// {
// int lc;
// ((IDirectVobSub)vobSub).get_LanguageCount(out lc);
// subconnected = (lc != 0);
// IPin pn = DsFindPin.ByName((IBaseFilter)splitter, "Subtitle");
// if (pn != null)
// {
// ret = m_graph.Connect(pn, DsFindPin.ByDirection(vobSub, PinDirection.Input, 1));
// ((IDirectVobSub)vobSub).get_LanguageCount(out lc);
// subconnected = (lc != 0);
// }
// ret = m_graph.Connect(DsFindPin.ByDirection(vobSub, PinDirection.Output, 0),
// DsFindPin.ByDirection(renderer, PinDirection.Input, 0));
// }
// else
// {
// ret = m_graph.Connect(DsFindPin.ByDirection(lavVideo, PinDirection.Output, 0),
// DsFindPin.ByDirection(renderer, PinDirection.Input, 0));
// }
// /* Loop over each pin of the source filter */
// while (pinEnum.Next(pins.Length, pins, fetched) == 0)
// {
// IPin cTo;
// pins[0].ConnectedTo(out cTo);
// if (cTo == null)
// {
// // this should not happen if the filtegraph is manually connected in a good manner
// ret = filterGraph.RenderEx(pins[0], AMRenderExFlags.RenderToExistingRenderers, IntPtr.Zero);
// }
// else
// {
// Marshal.ReleaseComObject(cTo);
// }
// Marshal.ReleaseComObject(pins[0]);
// }
// if (lavVideoSettings != null)
// {
// if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_CUDA) != 0)
// {
// ret = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_CUDA);
// }
// else if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_QuickSync) != 0)
// {
// ret = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_QuickSync);
// }
// else if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_DXVA2Native) != 0)
// {
// ret = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_DXVA2Native);
// }
// else if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_DXVA2) != 0)
// {
// ret = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_DXVA2);
// }
// else if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_DXVA2CopyBack) != 0)
// {
// ret = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_DXVA2CopyBack);
// }
// }
// //hr = m_graph.RenderFile(fileSource, null);
// Marshal.ReleaseComObject(pinEnum);
// IAMStreamSelect selector = splitter as IAMStreamSelect;
// int numstreams;
// selector.Count(out numstreams);
// AMMediaType mt;
// AMStreamSelectInfoFlags fl;
// SubtitleStreams.Clear();
// VideoStreams.Clear();
// AudioStreams.Clear();
// for (int i = 0; i < numstreams; i++)
// {
// int lcid;
// int group;
// string name;
// object o, o2;
// selector.Info(i, out mt, out fl, out lcid, out group, out name, out o, out o2);
// switch (group)
// {
// case 0:
// VideoStreams.Add(name);
// break;
// case 1:
// AudioStreams.Add(name);
// break;
// case 2:
// SubtitleStreams.Add(name);
// break;
// }
// if (o != null) Marshal.ReleaseComObject(o);
// if (o2 != null) Marshal.ReleaseComObject(o2);
// }
// OnPropertyChanged("SubtitleStreams");
// OnPropertyChanged("VideoStreams");
// OnPropertyChanged("AudioStreams");
// //Marshal.ReleaseComObject(splitter);
// /* Configure the graph in the base class */
// SetupFilterGraph(m_graph);
//#if DEBUG
// /* Adds the GB to the ROT so we can view
//* it in graphedit */
// m_dsRotEntry = new DsROTEntry(m_graph);
//#endif
// //if (_splitterSettings != null)
// //{
// // Marshal.ReleaseComObject(_splitterSettings);
// // _splitterSettings = null;
// //}
// if (_splitterSettings != null) Marshal.ReleaseComObject(_splitterSettings);
// _splitterSettings = (ILAVSplitterSettings)splitter;
// //ret = _splitterSettings.SetRuntimeConfig(true);
// //if (ret != 0)
// // throw new Exception("Could not set SetRuntimeConfig to true");
// //string sss = "*:*";
// //LAVSubtitleMode mode = LAVSubtitleMode.LAVSubtitleMode_NoSubs;
// //mode = _splitterSettings.GetSubtitleMode();
// //if (mode != LAVSubtitleMode.LAVSubtitleMode_Default)
// // throw new Exception("Could not set GetAdvancedSubtitleConfige");
// //ret = _splitterSettings.SetSubtitleMode(LAVSubtitleMode.LAVSubtitleMode_Advanced);
// //if (ret != 1)
// // throw new Exception("Could not set SetAdvancedSubtitleConfige");
// //ret = _splitterSettings.SetAdvancedSubtitleConfig(sss);
// //if (ret != 1)
// // throw new Exception("Could not set SetAdvancedSubtitleConfige");
// //sss = "";
// //ret = _splitterSettings.GetAdvancedSubtitleConfig(out sss);
// //if (ret != 0)
// // throw new Exception("Could not set GetAdvancedSubtitleConfige");
// //IPin sub = DsFindPin.ByDirection((IBaseFilter)splitter, PinDirection.Output, 2);
// //PinInfo pi;
// //sub.QueryPinInfo(out pi);
// SIZE a, b;
// if ((_displayControl).GetNativeVideoSize(out a, out b) == 0)
// {
// if (a.cx > 0 && a.cy > 0)
// {
// HasVideo = true;
// SetNativePixelSizes(a);
// }
// }
// if (!subconnected)
// {
// InvokeNoSubtitleLoaded(new EventArgs());
// }
// else
// {
// InitSubSettings();
// }
// /* Sets the NaturalVideoWidth/Height */
// //SetNativePixelSizes(renderer);
// //InvokeMediaFailed(new MediaFailedEventArgs(sss, null));
// }
// catch (Exception ex)
// {
// /* This exection will happen usually if the media does
// * not exist or could not open due to not having the
// * proper filters installed */
// FreeResources();
// /* Fire our failed event */
// InvokeMediaFailed(new MediaFailedEventArgs(ex.Message, ex));
// }
// finally
// {
// string filters = string.Join(Environment.NewLine, EnumAllFilters(m_graph).ToArray());
// System.Diagnostics.Debug.WriteLine(filters);
// }
// InvokeMediaOpened();
// }
protected virtual void OpenSource()
{
_eqEnabled = false;
//if (m_graph != null)
//{
// //RemoveAllFilters(m_graph);
// Marshal.ReleaseComObject(m_graph);
//}
/* Make sure we clean up any remaining mess */
FreeResources();
if (m_sourceUri == null)
{
return;
}
string fileSource = m_sourceUri.OriginalString;
if (string.IsNullOrEmpty(fileSource))
{
return;
}
try
{
int hr = 0;
/* Creates the GraphBuilder COM object */
m_graph = new FilterGraphNoThread() as IGraphBuilder;
if (_displayControl != null)
{
Marshal.ReleaseComObject(_displayControl);
_displayControl = null;
}
if (_displayControlVMR != null)
{
Marshal.ReleaseComObject(_displayControlVMR);
_displayControlVMR = null;
}
if (m_graph == null)
{
throw new Exception("Could not create a graph");
}
var filterGraph = m_graph as IFilterGraph2;
var flt = EnumAllFilters(m_graph).ToList();
if (filterGraph == null)
{
throw new Exception("Could not QueryInterface for the IFilterGraph2");
}
/* Add our prefered audio renderer */
var audioRenderer = InsertAudioRenderer(AudioRenderer);
if (audioRenderer != null)
{
if (_audioRenderer != null)
{
Marshal.ReleaseComObject(_audioRenderer);
}
_audioRenderer = audioRenderer;
}
if ((System.Environment.OSVersion.Platform == PlatformID.Win32NT &&
(System.Environment.OSVersion.Version.Major == 5)))
{
VideoRenderer = VideoRendererType.VideoMixingRenderer9;
}
if (_presenterSettings != null)
{
Marshal.ReleaseComObject(_presenterSettings);
}
if (_renderer != null)
{
Marshal.ReleaseComObject(_renderer);
}
IBaseFilter renderer = InsertVideoRenderer(VideoRenderer, m_graph, 1);
_renderer = renderer;
ILAVAudioSettings lavAudioSettings;
ILAVAudioStatus lavStatus;
IBaseFilter audioDecoder = FilterProvider.GetAudioFilter(out lavAudioSettings, out lavStatus);
if (audioDecoder != null)
{
if (_audio != null)
{
Marshal.ReleaseComObject(_audio);
}
_audio = audioDecoder;
_audioStatus = lavStatus;
_audioSettings = lavAudioSettings;
hr = (int)lavAudioSettings.SetRuntimeConfig(true);
hr = m_graph.AddFilter((IBaseFilter)audioDecoder, "LavAudio");
DsError.ThrowExceptionForHR(hr);
#if DEBUG
hr = (int)lavAudioSettings.SetTrayIcon(true);
#endif
}
ILAVSplitterSettings splitterSettings;
IFileSourceFilter splitter = FilterProvider.GetSplitterSource(out splitterSettings);
if (splitter != null)
{
if (_splitter != null)
{
Marshal.ReleaseComObject(_splitter);
}
_splitter = splitter;
_splitterSettings = (ILAVSplitterSettings)splitterSettings;
hr = splitterSettings.SetRuntimeConfig(true);
hr = splitter.Load(fileSource, null);
if (hr != 0)
{
throw new Exception("Playback of this file is not supported!");
}
hr = m_graph.AddFilter((IBaseFilter)splitter, "LavSplitter");
DsError.ThrowExceptionForHR(hr);
}
IEnumPins pinEnum;
hr = ((IBaseFilter)splitter).EnumPins(out pinEnum);
DsError.ThrowExceptionForHR(hr);
IntPtr fetched = IntPtr.Zero;
IPin[] pins = { null };
if (VideoRenderer == VideoRendererType.VideoMixingRenderer9)
{
var mixer = _renderer as IVMRMixerControl9;
if (mixer != null)
{
VMR9MixerPrefs dwPrefs;
mixer.GetMixingPrefs(out dwPrefs);
dwPrefs &= ~VMR9MixerPrefs.RenderTargetMask;
dwPrefs |= VMR9MixerPrefs.RenderTargetRGB;
mixer.SetMixingPrefs(dwPrefs);
}
}
ILAVVideoSettings lavVideoSettings;
IBaseFilter lavVideo = FilterProvider.GetVideoFilter(out lavVideoSettings);
if (lavVideo != null)
{
if (_video != null)
{
Marshal.ReleaseComObject(_video);
}
_video = lavVideo;
if (lavVideoSettings != null)
{
_videoSettings = lavVideoSettings;
lavVideoSettings.SetRuntimeConfig(true);
hr = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_None);
// check for best acceleration available
//if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_CUDA) != 0)
//{
// hr = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_CUDA);
// hr = lavVideoSettings.SetHWAccelResolutionFlags(LAVHWResFlag.SD | LAVHWResFlag.HD | LAVHWResFlag.UHD);
//}
//else if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_QuickSync) != 0)
//{
// hr = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_QuickSync);
// hr = lavVideoSettings.SetHWAccelResolutionFlags(LAVHWResFlag.SD | LAVHWResFlag.HD | LAVHWResFlag.UHD);
//}
//else
if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_DXVA2Native) != 0)
{
hr = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_DXVA2Native);
hr = lavVideoSettings.SetHWAccelResolutionFlags(LAVHWResFlag.SD | LAVHWResFlag.HD | LAVHWResFlag.UHD);
}
//else
//if (lavVideoSettings.CheckHWAccelSupport(LAVHWAccel.HWAccel_DXVA2CopyBack) != 0)
//{
// hr = lavVideoSettings.SetHWAccel(LAVHWAccel.HWAccel_DXVA2CopyBack);
// hr = lavVideoSettings.SetHWAccelResolutionFlags(LAVHWResFlag.SD | LAVHWResFlag.HD | LAVHWResFlag.UHD);
//}
#if DEBUG
hr = lavVideoSettings.SetTrayIcon(true);
#endif
}
hr = m_graph.AddFilter(_video, "LavVideo");
DsError.ThrowExceptionForHR(hr);
}
IBaseFilter vobSub = FilterProvider.GetVobSubFilter();
if (vobSub != null)
{
try
{
hr = m_graph.AddFilter(vobSub, "VobSub");
DsError.ThrowExceptionForHR(hr);
IDirectVobSub vss = vobSub as IDirectVobSub;
if (_vobsub != null)
{
Marshal.ReleaseComObject(_vobsub);
}
_vobsub = vss;
InitSubSettings();
}
catch { }
}
hr = m_graph.Connect(DsFindPin.ByName((IBaseFilter)splitter, "Audio"), DsFindPin.ByDirection(_audio, PinDirection.Input, 0));
if (hr == 0)
{
HasAudio = true;
}
else
{
HasAudio = false;
}
IBaseFilter dcDsp = FilterProvider.GetDCDSPFilter();
if (dcDsp != null)
{
if (_dspFilter != null)
{
Marshal.ReleaseComObject(_dspFilter);
}
_dspFilter = (IDCDSPFilterInterface)dcDsp;
if (HasAudio)
{
hr = m_graph.AddFilter((IBaseFilter)_dspFilter, "AudioProcessor");
hr = _dspFilter.set_EnableBitrateConversionBeforeDSP(true);
hr = ((IDCDSPFilterVisualInterface)_dspFilter).set_VISafterDSP(true);
hr = m_graph.Connect(DsFindPin.ByDirection((IBaseFilter)_audio, PinDirection.Output, 0), DsFindPin.ByDirection(_dspFilter, PinDirection.Input, 0));
DsError.ThrowExceptionForHR(hr);
hr = m_graph.Connect(DsFindPin.ByDirection((IBaseFilter)_dspFilter, PinDirection.Output, 0), DsFindPin.ByDirection(_audioRenderer, PinDirection.Input, 0));
var cb = new AudioCallback(this);
hr = _dspFilter.set_CallBackPCM(cb);
object intf = null;
hr = _dspFilter.set_AddFilter(0, TDCFilterType.ftEqualizer);
hr = _dspFilter.get_FilterInterface(0, out intf);
_equalizer = (IDCEqualizer)intf;
_equalizer.set_Seperate(false);
}
}
else
{
if (HasAudio)
{
hr = m_graph.Connect(DsFindPin.ByDirection((IBaseFilter)_audio, PinDirection.Output, 0), DsFindPin.ByDirection(_audioRenderer, PinDirection.Input, 0));
}
}
bool subconnected = false;
hr = m_graph.Connect(DsFindPin.ByName((IBaseFilter)_splitter, "Video"), DsFindPin.ByDirection(_video, PinDirection.Input, 0));
if (hr == 0)
{
HasVideo = true;
}
else
{
HasVideo = false;
}
if (HasVideo)
{
hr = m_graph.Connect(DsFindPin.ByDirection((IBaseFilter)_video, PinDirection.Output, 0), DsFindPin.ByDirection(vobSub, PinDirection.Input, 0));
DsError.ThrowExceptionForHR(hr);
if (hr == 0)
{
int lc;
((IDirectVobSub)vobSub).get_LanguageCount(out lc);
subconnected = (lc != 0);
IPin pn = DsFindPin.ByName((IBaseFilter)splitter, "Subtitle");
if (pn != null)
{
hr = m_graph.Connect(pn, DsFindPin.ByDirection(vobSub, PinDirection.Input, 1));
((IDirectVobSub)vobSub).get_LanguageCount(out lc);
subconnected = (lc != 0);
}
hr = m_graph.Connect(DsFindPin.ByDirection(vobSub, PinDirection.Output, 0),
DsFindPin.ByDirection(_renderer, PinDirection.Input, 0));
}
else
{
if (_vobsub != null)
{
Marshal.ReleaseComObject(_vobsub);
}
_vobsub = null;
hr = m_graph.Connect(DsFindPin.ByDirection(_video, PinDirection.Output, 0),
DsFindPin.ByDirection(_renderer, PinDirection.Input, 0));
}
}
/* Loop over each pin of the source filter */
while (pinEnum.Next(pins.Length, pins, fetched) == 0)
{
IPin cTo;
pins[0].ConnectedTo(out cTo);
if (cTo == null)
{
// this should not happen if the filtegraph is manually connected in a good manner
hr = filterGraph.RenderEx(pins[0], AMRenderExFlags.RenderToExistingRenderers, IntPtr.Zero);
}
else
{
Marshal.ReleaseComObject(cTo);
}
Marshal.ReleaseComObject(pins[0]);
}
Marshal.ReleaseComObject(pinEnum);
var selector = splitter as IAMStreamSelect;
int numstreams;
selector.Count(out numstreams);
AMMediaType mt;
AMStreamSelectInfoFlags fl;
SubtitleStreams.Clear();
VideoStreams.Clear();
AudioStreams.Clear();
for (int i = 0; i < numstreams; i++)
{
int lcid;
int group;
string name;
object o, o2;
selector.Info(i, out mt, out fl, out lcid, out group, out name, out o, out o2);
switch (group)
{
case 0:
VideoStreams.Add(name);
break;
case 1:
AudioStreams.Add(name);
break;
case 2:
SubtitleStreams.Add(name);
break;
}
if (o != null)
{
Marshal.ReleaseComObject(o);
}
if (o2 != null)
{
Marshal.ReleaseComObject(o2);
}
}
OnPropertyChanged("SubtitleStreams");
OnPropertyChanged("VideoStreams");
OnPropertyChanged("AudioStreams");
/* Configure the graph in the base class */
SetupFilterGraph(m_graph);
#if DEBUG
/* Adds the GB to the ROT so we can view
* it in graphedit */
m_dsRotEntry = new DsROTEntry(m_graph);
#endif
SIZE a, b;
if (HasVideo && _displayControl != null && (_displayControl).GetNativeVideoSize(out a, out b) == 0)
{
var sz = MediaPlayerBase.GetVideoSize(_renderer, PinDirection.Input, 0);
if (a.cx > 0 && a.cy > 0)
{
SetNativePixelSizes(a);
}
}
if (!subconnected)
{
InvokeNoSubtitleLoaded(new EventArgs());
}
else
{
InitSubSettings();
}
}
catch (Exception ex)
{
/* This exection will happen usually if the media does
* not exist or could not open due to not having the
* proper filters installed */
FreeResources();
/* Fire our failed event */
InvokeMediaFailed(new MediaFailedEventArgs(ex.Message, ex));
}
InvokeMediaOpened();
}
public void InitInterfaces()
{
filterGraph = new FilterGraphNoThread();
graphBuilder = (IGraphBuilder)filterGraph;
mediaControl = (IMediaControl)filterGraph;
mediaEvent = (IMediaEventEx)filterGraph;
}
private bool DoesItHaveVideo(string filename)
{
if (string.IsNullOrEmpty(filename))
{
return(false);
}
bool result;
IGraphBuilder temp_graph = new FilterGraphNoThread() as IGraphBuilder;
try
{
if (temp_graph == null)
{
throw new WPFMediaKitException("Could not create a graph");
}
var filterGraph = temp_graph as IFilterGraph2;
if (filterGraph == null)
{
throw new WPFMediaKitException("Could not QueryInterface for the IFilterGraph2");
}
IBaseFilter sourceFilter;
int hr;
sourceFilter = DirectShowUtil.AddFilterToGraph(temp_graph, SplitterSource, LAVFilterDirectory, Guid.Empty);
if (sourceFilter == null)
{
throw new WPFMediaKitException("Could not add SplitterSource to graph.");
}
IFileSourceFilter interfaceFile = (IFileSourceFilter)sourceFilter;
hr = interfaceFile.Load(filename, null);
DsError.ThrowExceptionForHR(hr);
// Set Video Codec
// Remove Pin
var videoPinFrom = DirectShowLib.DsFindPin.ByName(sourceFilter, "Video");
IPin videoPinTo;
if (videoPinFrom != null)
{
hr = videoPinFrom.ConnectedTo(out videoPinTo);
if (hr >= 0 && videoPinTo != null)
{
PinInfo pInfo;
videoPinTo.QueryPinInfo(out pInfo);
FilterInfo fInfo;
pInfo.filter.QueryFilterInfo(out fInfo);
DirectShowUtil.DisconnectAllPins(temp_graph, pInfo.filter);
temp_graph.RemoveFilter(pInfo.filter);
DsUtils.FreePinInfo(pInfo);
Marshal.ReleaseComObject(fInfo.pGraph);
Marshal.ReleaseComObject(videoPinTo);
videoPinTo = null;
}
Marshal.ReleaseComObject(videoPinFrom);
videoPinFrom = null;
result = true;
}
else
{
result = false;
}
DirectShowUtil.RemoveFilters(temp_graph, SplitterSource.Name);
Marshal.FinalReleaseComObject(sourceFilter);
}
catch
{ result = false; }
finally
{
Marshal.ReleaseComObject(temp_graph);
}
return(result);
}
