public bool Previous()
{
bool result = false;
Lock();
if (iPresetIndex != -1)
{
int index = iPresetIndex - 1;
while (index > -1)
{
MrItem preset = Preset((uint)index);
if (preset.Id != 0)
{
SetPreset(preset);
result = true;
break;
}
else
{
index--;
}
}
}
Unlock();
return(result);
}
public bool Next()
{
bool result = false;
Lock();
if (iPresetIndex != -1)
{
int index = iPresetIndex + 1;
while (index < kMaxPresets)
{
MrItem preset = Preset((uint)index);
if (preset.Id != 0)
{
SetPreset(preset);
result = true;
break;
}
else
{
index++;
}
}
}
Unlock();
return(result);
}
public ModelSourceMediaRendererUpnpAv(Source aSource)
{
DidlLite didl = new DidlLite();
audioItem itemAudio = new audioItem();
itemAudio.Title = "Unknown";
didl.Add(itemAudio);
kUnknownPlaylistItem = new MrItem(0, null, didl);
iSource = aSource;
iInstanceId = 0;
iTrackId = 0;
try
{
iServiceConnectionManager = new ServiceConnectionManager(iSource.Device, iSource.House.EventServer);
}
catch (ServiceException)
{
throw new ModelSourceException(301, "Service failure");
}
iActionGetProtocolInfo = iServiceConnectionManager.CreateAsyncActionGetProtocolInfo();
iActionGetProtocolInfo.EventResponse += EventResponseGetProtocolInfo;
try
{
iServiceAVTransport = new ServiceAVTransport(iSource.Device, iSource.House.EventServer);
}
catch (ServiceException)
{
throw new ModelSourceException(301, "Service failure");
}
iActionPlay = iServiceAVTransport.CreateAsyncActionPlay();
iActionPause = iServiceAVTransport.CreateAsyncActionPause();
iActionStop = iServiceAVTransport.CreateAsyncActionStop();
iActionSeek = iServiceAVTransport.CreateAsyncActionSeek();
iActionNext = iServiceAVTransport.CreateAsyncActionNext();
iActionPrevious = iServiceAVTransport.CreateAsyncActionPrevious();
iActionSetAVTransportURI = iServiceAVTransport.CreateAsyncActionSetAVTransportURI();
iActionGetPositionInfo = iServiceAVTransport.CreateAsyncActionGetPositionInfo();
iActionGetTransportSettings = iServiceAVTransport.CreateAsyncActionGetTransportSettings();
iActionSetPlayMode = iServiceAVTransport.CreateAsyncActionSetPlayMode();
iActionGetPositionInfo.EventResponse += EventResponseGetPositionInfo;
iActionGetTransportSettings.EventResponse += EventResponseGetTransportSettings;
iActionSetAVTransportURI.EventResponse += EventResponseSetAVTransportURI;
iTimer = new Linn.Timer();
// Sets the timer interval to 1 second.
iTimer.Interval = 1000;
iTimer.Elapsed += TimerElapsed;
iTimer.AutoReset = false;
iMutex = new Mutex(false);
iPlaylist = new List <MrItem>();
}
public MrItem Preset(uint aIndex)
{
Lock();
MrItem item = iIdArray.AtIndex(aIndex);
Unlock();
return(item);
}
public override void PlaylistDelete(IList <MrItem> aPlaylistItems)
{
try
{
Lock();
bool deletedPlaying = false;
foreach (MrItem i in aPlaylistItems)
{
iPlaylist.Remove(i);
if (iMaster)
{
if (i == iTrackPlaylistItem)
{
deletedPlaying = true;
}
}
}
if (deletedPlaying)
{
if (iTrackIndex < iPlaylist.Count)
{
if (iTransportState == ETransportState.eStopped)
{
MrItem track = iPlaylist[iTrackIndex];
iExpectedTrack = track;
//SetCurrent(track);
iActionSetAVTransportURI.SetAVTransportURIBegin(iInstanceId, iTrackPlaylistItem.Uri, iTrackPlaylistItem.DidlLite.Xml);
}
else
{
SeekTrack((uint)iTrackIndex);
}
}
else
{
iExpectedTrack = null;
SetCurrent(null);
iTrackIndex = -1;
iActionSetAVTransportURI.SetAVTransportURIBegin(iInstanceId, string.Empty, string.Empty);
}
}
}
finally
{
Unlock();
}
if (EventPlaylistChanged != null)
{
EventPlaylistChanged(this, EventArgs.Empty);
}
}
private void SetCurrent(MrItem aItem)
{
lock (this)
{
iTrackPlaylistItem = aItem;
iTrack = null;
if (aItem != null)
{
iTrack = new Channel(aItem.Uri, aItem.DidlLite);
}
}
}
public bool SetPreset(MrItem aPreset)
{
/*Lock();
* int index = iIdArray.Index(aPreset.Id);
* Unlock();*/
if (aPreset.DidlLite[0].Res.Count > 0)
{
string uri = aPreset.DidlLite[0].Res[0].Uri;
iActionSetId.SetIdBegin(aPreset.Id, uri);
return(true);
}
return(false);
}
public void AddToCache(uint aNewId, MrItem aMrItem)
{
Lock();
if (!iCacheMetadata.ContainsKey(aNewId))
{
iCacheMetadata.Add(aNewId, aMrItem);
RemoveStaleCacheItems();
iCacheUsage.Remove(aNewId);
iCacheUsage.Add(aNewId);
}
Unlock();
}
public override MrItem PlaylistItem(uint aIndex)
{
MrItem result = kUnknownPlaylistItem;
try
{
Lock();
if (aIndex < iPlaylist.Count)
{
result = iPlaylist[(int)aIndex];
}
}
finally
{
Unlock();
}
return(result);
}
private void UpdateTrack()
{
bool locked = false;
try
{
Lock();
locked = true;
uint trackId = iServicePlaylist.Id;
iTrackIndex = iIdArray.Index(trackId);
MrItem item = iIdArray.AtIndex((uint)iTrackIndex);
if (iTrackPlaylistItem == null || item != iTrackPlaylistItem)
{
Trace.WriteLine(Trace.kMediaRenderer, "ModelSourceMediaRendererDs.UpdateTrack: iTrackIndex=" + iTrackIndex + ", iPlaylistIds.Count=" + iIdArray.IdArray.Count + ", trackId=" + trackId);
iTrackPlaylistItem = item;
Unlock();
locked = false;
if (EventTrackChanged != null)
{
EventTrackChanged(this, EventArgs.Empty);
}
}
else
{
Unlock();
locked = false;
}
}
finally
{
if (locked)
{
Unlock();
}
}
}
public override void PlaylistMove(uint aInsertAfterId, IList <MrItem> aPlaylistItems)
{
try
{
Lock();
int index = 0;
if (aInsertAfterId > 0)
{
for (int i = 0; i < iPlaylist.Count; ++i)
{
if (iPlaylist[i].Id == aInsertAfterId)
{
index = i + 1;
break;
}
}
}
for (int i = 0; i < aPlaylistItems.Count; ++i)
{
MrItem item = aPlaylistItems[i];
iPlaylist.Insert(index + i, new MrItem(++iTrackId, item.Uri, item.DidlLite));
}
foreach (MrItem i in aPlaylistItems)
{
iPlaylist.Remove(i);
}
}
finally
{
Unlock();
}
if (EventPlaylistChanged != null)
{
EventPlaylistChanged(this, EventArgs.Empty);
}
}
public void Insert(string aAfterTrackMetadataId, DidlLite aDidlLite)
{
Lock();
uint id = 0;
uint count = Count;
for (uint i = 0; i < count; ++i)
{
MrItem item = Track(i);
if (item.DidlLite[0].Id == aAfterTrackMetadataId)
{
id = iIdArray.IdArray[(int)i];
break;
}
}
Unlock();
Insert(id, aDidlLite);
}
public void Delete(string aTrackMetadataId)
{
Lock();
uint id = 0;
uint count = Count;
for (uint i = 0; i < count; ++i)
{
MrItem item = Track(i);
if (item.DidlLite[0].Id == aTrackMetadataId)
{
id = iIdArray.IdArray[(int)i];
break;
}
}
Unlock();
Delete(id);
}
private void EventStateLastChangeResponse(object sender, EventArgs e)
{
try
{
string lastChange = iServiceAVTransport.LastChange;
if (lastChange != null)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(lastChange);
XmlNamespaceManager xmlNsMan = new XmlNamespaceManager(xmlDoc.NameTable);
xmlNsMan.AddNamespace("ns", "urn:schemas-upnp-org:metadata-1-0/AVT/");
XmlNodeList eventList = xmlDoc.DocumentElement.SelectNodes("/ns:Event/ns:InstanceID", xmlNsMan);
foreach (XmlNode n in eventList)
{
XmlNodeList valList = n.SelectNodes("@val", xmlNsMan);
foreach (XmlAttribute v in valList)
{
if (uint.Parse(v.Value) == iInstanceId)
{
XmlNode state = n.SelectSingleNode("ns:CurrentTrackURI", xmlNsMan);
string trackUri = string.Empty;
if (state != null)
{
XmlNode val = state.SelectSingleNode("@val", xmlNsMan);
if (val != null)
{
trackUri = val.Value;
}
}
if (iExpectedTrack != null && trackUri == iExpectedTrack.Uri)
{
iMaster = true;
}
else if (iTrackPlaylistItem == null || trackUri != iTrackPlaylistItem.Uri)
{
iMaster = false;
}
state = n.SelectSingleNode("ns:CurrentTrackMetaData", xmlNsMan);
if (state != null)
{
XmlNode val = state.SelectSingleNode("@val", xmlNsMan);
if (val != null)
{
MrItem trackPlaylistItem = null;
try
{
if (!iMaster)
{
DidlLite didl = new DidlLite(val.Value);
if (didl.Count == 0)
{
item item = new item();
item.Title = trackUri;
didl.Add(item);
}
// hack for sonos devices artwork (which specifies a relative path)
if (didl[0].AlbumArtUri.Count > 0 && didl[0].AlbumArtUri[0] != string.Empty)
{
string albumArt = didl[0].AlbumArtUri[0];
if (albumArt.StartsWith("/getaa?", StringComparison.OrdinalIgnoreCase))
{
try
{
Uri uri = new Uri(Device.Location);
string newUri = string.Format("{0}://{1}{2}", uri.Scheme, uri.Authority, albumArt);
didl[0].AlbumArtUri[0] = newUri;
}
catch { }
}
}
trackPlaylistItem = new MrItem(++iTrackId, trackUri, didl);
Trace.WriteLine(Trace.kMediaRenderer, "ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: uri=" + trackPlaylistItem.Uri + ", metadata=" + trackPlaylistItem.DidlLite.Xml);
}
}
catch (XmlException)
{
DidlLite didl = new DidlLite();
item item = new item();
item.Title = trackUri;
didl.Add(item);
trackPlaylistItem = new MrItem(++iTrackId, trackUri, didl);
Trace.WriteLine(Trace.kMediaRenderer, "ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: uri=" + trackUri + ", metadata=");
}
Trace.WriteLine(Trace.kTopology, "iMaster=" + iMaster + ", trackUri=" + trackUri + ", iTrackPlaylistItem.Uri=" + ((iTrackPlaylistItem == null) ? "" : iTrackPlaylistItem.Uri) + ", iExpectedUri=" + ((iExpectedTrack == null) ? "" : iExpectedTrack.Uri));
bool changed = false;
if (iExpectedTrack != null && trackUri == iExpectedTrack.Uri)
{
SetCurrent(iExpectedTrack);
iTrackIndex = iPlaylist.IndexOf(iExpectedTrack);
iExpectedTrack = null;
changed = true;
}
else if (iTrackPlaylistItem == null || trackUri != iTrackPlaylistItem.Uri)
{
SetCurrent(trackPlaylistItem);
iTrackIndex = -1;
iExpectedTrack = null;
changed = true;
}
if (changed)
{
if (EventTrackChanged != null)
{
EventTrackChanged(this, EventArgs.Empty);
}
if (iEventTrackChanged != null)
{
iEventTrackChanged(this, EventArgs.Empty);
}
if (EventMetaTextChanged != null)
{
EventMetaTextChanged(this, EventArgs.Empty);
}
if (EventDetailsChanged != null)
{
EventDetailsChanged(this, EventArgs.Empty);
}
}
}
}
state = n.SelectSingleNode("ns:TransportState", xmlNsMan);
if (state != null)
{
XmlNode val = state.SelectSingleNode("@val", xmlNsMan);
if (val != null)
{
ETransportState transportState = ETransportState.eUnknown;
if (val.Value == "PLAYING")
{
transportState = ETransportState.ePlaying;
}
else if (val.Value == "PAUSED_PLAYBACK")
{
transportState = ETransportState.ePaused;
}
else if (val.Value == "STOPPED")
{
transportState = ETransportState.eStopped;
}
else if (val.Value == "TRANSITIONING")
{
transportState = ETransportState.eBuffering;
}
else
{
transportState = ETransportState.eUnknown;
}
Trace.WriteLine(Trace.kMediaRenderer, "ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: transportState=" + transportState);
if (transportState != iTransportState)
{
iTransportState = transportState;
if (iTransportState == ETransportState.eStopped)
{
if (iMaster)
{
if (!iExpectEventStop)
{
Next();
}
}
iExpectEventStop = false;
}
if (EventTransportStateChanged != null)
{
EventTransportStateChanged(this, EventArgs.Empty);
}
}
}
}
/*state = n.SelectSingleNode("ns:CurrentTrack", xmlNsMan);
* if (state != null)
* {
* XmlNode val = state.SelectSingleNode("@val", xmlNsMan);
* if (val != null)
* {
* int trackIndex = int.Parse(val.Value) - 1;
*
* Trace.WriteLine(Trace.kMediaRenderer, "ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: trackIndex=" + trackIndex);
*
* if (trackIndex != iTrackIndex)
* {
* iTrackIndex = trackIndex;
*
* if (EventTrackChanged != null)
* {
* EventTrackChanged(this, EventArgs.Empty);
* }
* }
* }
* }*/
state = n.SelectSingleNode("ns:CurrentTrackDuration", xmlNsMan);
if (state != null)
{
XmlNode val = state.SelectSingleNode("@val", xmlNsMan);
if (val != null)
{
try
{
Time duration = new Time(val.Value);
Assert.CheckDebug(duration.SecondsTotal >= 0);
uint trackDuration = (duration.SecondsTotal >= 0) ? (uint)duration.SecondsTotal : 0;
Trace.WriteLine(Trace.kMediaRenderer, "ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: trackDuration=" + duration.ToPrettyString());
iTrackDuration = trackDuration;
if (EventDurationChanged != null)
{
EventDurationChanged(this, EventArgs.Empty);
}
}
catch (Time.TimeInvalid)
{
if (val.Value != kNotImplemented)
{
UserLog.WriteLine("ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: Invalid element CurrentTrackDuration: " + val.Value);
}
}
}
}
}
}
}
}
}
catch (Exception ex)
{
string lastChange = iServiceAVTransport.LastChange != null ? iServiceAVTransport.LastChange : "";
Trace.WriteLine(Trace.kMediaRenderer, "ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: " + ex.Message + "\nLastChange: " + lastChange);
UserLog.WriteLine("ModelSourceMediaRendererUpnpAv.EventStateLastChangeResponse: " + ex.Message + "\nLastChange: " + lastChange);
return;
}
}
