/// <summary> create the used COM components and get the interfaces. </summary>
private bool GetInterfaces()
{
Logger.Instance.Debug("AirplayerAudioPlayer: Get interfaces");
int iStage = 1;
string audioDevice;
using (Settings xmlreader = new MPSettings())
audioDevice = xmlreader.GetValueAsString("audioplayer", "sounddevice", "Default DirectSound Device");
//If user has bass as default player the default device is named slightly differently
if (audioDevice == "Default Sound Device")
{
audioDevice = "Default DirectSound Device";
}
Logger.Instance.Debug("AirplayerAudioPlayer: Using audio device '{0}'", audioDevice);
int hr;
try
{
graphBuilder = (IGraphBuilder) new FilterGraph();
iStage = 5;
Utils.AddFilterByName(graphBuilder, DirectShow.FilterCategory.AudioRendererCategory, audioDevice);
var sourceFilter = new GenericPushSourceFilter(settings.Source, settings.GetMediaType());
hr = graphBuilder.AddFilter(sourceFilter, sourceFilter.Name);
new HRESULT(hr).Throw();
DSFilter source2 = new DSFilter(sourceFilter);
hr = source2.OutputPin.Render();
new HRESULT(hr).Throw();
if (hr != 0)
{
Error.SetError("Unable to play file", "Missing codecs to play this file");
return(false);
}
iStage = 6;
mediaCtrl = (IMediaControl)graphBuilder;
iStage = 7;
mediaEvt = (IMediaEventEx)graphBuilder;
iStage = 8;
mediaSeek = (IMediaSeeking)graphBuilder;
iStage = 9;
mediaPos = (IMediaPosition)graphBuilder;
iStage = 10;
basicAudio = graphBuilder as IBasicAudio;
iStage = 11;
Logger.Instance.Debug("AirplayerAudioPlayer: Interfaces created");
return(true);
}
catch (Exception ex)
{
Logger.Instance.Info("Can not start {0} stage:{1} err:{2} stack:{3}",
m_strCurrentFile, iStage,
ex.Message,
ex.StackTrace);
return(false);
}
}
protected override void AddSourceFilter()
{
var sourceFilter = new GenericPushSourceFilter(settings.Source, settings.GetMediaType());
int hr = _graphBuilder.AddFilter(sourceFilter, sourceFilter.Name);
new HRESULT(hr).Throw();
DSFilter source2 = new DSFilter(sourceFilter);
hr = source2.OutputPin.Render();
new HRESULT(hr).Throw();
return;
}
public void Start()
{
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rot = new DsROTEntry(_graphBuilder);
var sourceFilter = new GenericPushSourceFilter(source, GetMediaType());
int hr = _graphBuilder.AddFilter(sourceFilter, sourceFilter.Name);
new HRESULT(hr).Throw();
DSFilter source2 = new DSFilter(sourceFilter);
hr = source2.OutputPin.Render();
new HRESULT(hr).Throw();
IMediaControl mc = (IMediaControl)_graphBuilder;
hr = mc.Run();
new HRESULT(hr).Throw();
}
