public void ChangeAudioStream(SelectableMediaStream track)
{
InvokeOnPlayerThread(() => _mediaPlayer.SetAudioTrack(track));
}
public void ChangeSubtitleStream(SelectableMediaStream track)
{
InvokeOnPlayerThread(() => _mediaPlayer.SetSubtitleTrack(track));
}
private void SetInternalStream(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);
UpdateStreamActiveSetting(stream.Index, stream.Type);
}
private void SetExternalSubtitleStream(SelectableMediaStream stream)
{
if (stream.Name.ToLower().Contains("no subtitles"))
{
ToggleHideSubtitles(true);
UpdateStreamsAsInActive(stream.Type); // display all streams as inactive
}
else
{
try
{
// see if we can load from path, i.e path that we have direct file access to (i.e windows share)
LoadExternalSubtitles(stream.Path);
}
catch (Exception)
{
// can't load it directly, ask the server to copy or stream it
// todo - api call to create external subtitle url - Issue #52 Support external subtitles
throw;
}
UpdateStreamActiveSetting(stream.Index, stream.Type); // display this streams as active
}
}
public void SetSubtitleTrack(SelectableMediaStream stream)
{
if (stream.Identifier == "external" || stream.Name.ToLower().Contains("no subtitles")) // external subtitle track
{
SetExternalSubtitleStream(stream);
}
if (stream.Identifier != "external")
{
SetInternalStream(stream);
}
if (stream.Name.ToLower().Contains("no subtitles"))
{
ToggleHideSubtitles(true);
}
else
{
ToggleHideSubtitles(false);
}
}
public void SetAudioTrack(SelectableMediaStream stream)
{
SetInternalStream(stream);
}
private List<SelectableMediaStream> GetInternalStreams()
{
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;
}
