private void SetStream(SelectableMediaStream stream)
{
IEnumFilters enumFilters;
var hr = m_graph.EnumFilters(out enumFilters);
DsError.ThrowExceptionForHR(hr);
var filters = new DirectShowLib.IBaseFilter[1];
while (enumFilters.Next(filters.Length, filters, IntPtr.Zero) == 0)
{
FilterInfo filterInfo;
hr = filters[0].QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
Guid cl;
filters[0].GetClassID(out cl);
if (stream.Type == MediaStreamType.Audio)
{
if (cl != _audioSelector)
{
continue;
}
}
else if (stream.Type == MediaStreamType.Subtitle)
{
if (cl != _grp2Selector && cl != _vobsubSelector)
{
continue;
}
}
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
var iss = filters[0] as IAMStreamSelect;
iss.Enable(stream.Index, AMStreamSelectEnableFlags.Enable);
Marshal.ReleaseComObject(filters[0]);
}
Marshal.ReleaseComObject(enumFilters);
foreach (var i in GetSelectableStreams().Where(s => s.Type == stream.Type))
{
i.IsActive = i.Index == stream.Index;
}
}
public void ChangeSubtitleStream(SelectableMediaStream track)
{
}
public void ChangeAudioStream(SelectableMediaStream track)
{
}
public void ChangeSubtitleStream(SelectableMediaStream track)
{
InvokeOnPlayerThread(() => _mediaPlayer.SetSubtitleStream(track));
}
public void ChangeAudioStream(SelectableMediaStream track)
{
InvokeOnPlayerThread(() => _mediaPlayer.SetAudioTrack(track));
}
private List <SelectableMediaStream> GetStreams()
{
var streams = new List <SelectableMediaStream>();
IEnumFilters enumFilters;
var hr = m_graph.EnumFilters(out enumFilters);
DsError.ThrowExceptionForHR(hr);
var filters = new DirectShowLib.IBaseFilter[1];
while (enumFilters.Next(filters.Length, filters, IntPtr.Zero) == 0)
{
FilterInfo filterInfo;
hr = filters[0].QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
Guid cl;
filters[0].GetClassID(out cl);
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
var iss = filters[0] as IAMStreamSelect;
if (iss != null)
{
int count;
hr = iss.Count(out count);
DsError.ThrowExceptionForHR(hr);
for (int i = 0; i < count; i++)
{
DirectShowLib.AMMediaType type;
AMStreamSelectInfoFlags flags;
int plcid, pwdGrp; // language
String pzname;
object ppobject, ppunk;
hr = iss.Info(i, out type, out flags, out plcid, out pwdGrp, out pzname, out ppobject, out ppunk);
DsError.ThrowExceptionForHR(hr);
if (ppobject != null)
{
Marshal.ReleaseComObject(ppobject);
}
if (type != null)
{
DsUtils.FreeAMMediaType(type);
}
if (ppunk != null)
{
Marshal.ReleaseComObject(ppunk);
}
if (pwdGrp == 2)
{
if (_grp2Selector == Guid.Empty)
{
filters[0].GetClassID(out _grp2Selector);
}
var stream = new SelectableMediaStream
{
Index = i,
Name = pzname,
Type = MediaStreamType.Subtitle
};
if ((AMStreamSelectInfoFlags.Enabled & flags) == AMStreamSelectInfoFlags.Enabled)
{
stream.IsActive = true;
}
streams.Add(stream);
}
if (pwdGrp == 1)
{
if (_audioSelector == Guid.Empty)
{
filters[0].GetClassID(out _audioSelector);
}
var stream = new SelectableMediaStream
{
Index = i,
Name = pzname,
Type = MediaStreamType.Audio
};
if ((AMStreamSelectInfoFlags.Enabled & flags) == AMStreamSelectInfoFlags.Enabled)
{
stream.IsActive = true;
}
streams.Add(stream);
}
if (pwdGrp == 6590033)
{
if (_vobsubSelector == Guid.Empty)
{
filters[0].GetClassID(out _vobsubSelector);
}
var stream = new SelectableMediaStream
{
Index = i,
Name = pzname,
Type = MediaStreamType.Subtitle,
Identifier = "Vobsub"
};
if ((AMStreamSelectInfoFlags.Enabled & flags) == AMStreamSelectInfoFlags.Enabled)
{
stream.IsActive = true;
}
streams.Add(stream);
}
}
}
Marshal.ReleaseComObject(filters[0]);
}
Marshal.ReleaseComObject(enumFilters);
return(streams);
}
public void SetSubtitleTrack(SelectableMediaStream stream)
{
SetStream(stream);
}
public void SetAudioTrack(SelectableMediaStream stream)
{
SetStream(stream);
}
public void ChangeSubtitleStream(SelectableMediaStream track)
{
_currentPlaybackDispatcher.Invoke(() => _mediaPlayer.SetSubtitleTrack(track));
}
public void ChangeAudioStream(SelectableMediaStream track)
{
_currentPlaybackDispatcher.Invoke(() => _mediaPlayer.SetAudioTrack(track));
}
