public BansheePlayerData(PlayerEngine source) {
if (!(source is IVisualizationDataSource))
throw new ArgumentException("source is not an IVisualizationDataSource");
this.mSource = source;
this.Active = true;
}
private bool SwitchToEngine(PlayerEngine switchTo)
{
if (active_engine != switchTo)
{
Close();
pending_engine = switchTo;
Log.DebugFormat("Switching engine to: {0}", switchTo.GetType());
return(true);
}
return(false);
}
private void CheckPending()
{
if (pending_engine != null && pending_engine != active_engine)
{
if (active_engine.CurrentState == PlayerState.Idle)
{
Close();
}
active_engine = pending_engine;
pending_engine = null;
}
}
private void OpenCheck(object o, bool play)
{
if (CurrentState == PlayerState.NotReady)
{
pending_playback_for_not_ready = o;
pending_playback_for_not_ready_play = play;
return;
}
SafeUri uri = null;
TrackInfo track = null;
if (o is SafeUri)
{
uri = (SafeUri)o;
}
else if (o is TrackInfo)
{
track = (TrackInfo)o;
uri = track.Uri;
}
else
{
return;
}
if (track != null && (track.MediaAttributes & TrackMediaAttributes.ExternalResource) != 0)
{
RaiseEvent(new PlayerEventArgs(PlayerEvent.EndOfStream));
return;
}
PlayerEngine supportingEngine = FindSupportingEngine(uri);
SwitchToEngine(supportingEngine);
CheckPending();
if (track != null)
{
active_engine.Open(track);
}
else if (uri != null)
{
active_engine.Open(uri);
}
if (play)
{
active_engine.Play();
}
}
public void Dispose()
{
MetadataService.Instance.HaveResult -= OnMetadataServiceHaveResult;
foreach (PlayerEngine engine in engines)
{
engine.Dispose();
}
active_engine = null;
default_engine = null;
pending_engine = null;
preferred_engine_id = null;
engines.Clear();
}
private void InitializeEngine(PlayerEngine engine)
{
var handler = EngineBeforeInitialize;
if (handler != null)
{
handler(engine);
}
engine.Initialize();
engine.IsInitialized = true;
handler = EngineAfterInitialize;
if (handler != null)
{
handler(engine);
}
}
void IInitializeService.Initialize()
{
preferred_engine_id = EngineSchema.Get();
if (default_engine == null && engines.Count > 0)
{
default_engine = engines[0];
}
foreach (TypeExtensionNode node in AddinManager.GetExtensionNodes("/Banshee/MediaEngine/PlayerEngine"))
{
LoadEngine(node);
}
if (default_engine != null)
{
active_engine = default_engine;
Log.Debug(Catalog.GetString("Default player engine"), active_engine.Name);
}
else
{
default_engine = active_engine;
}
if (default_engine == null || active_engine == null || engines == null || engines.Count == 0)
{
Log.Warning(Catalog.GetString(
"No player engines were found. Please ensure Banshee has been cleanly installed."),
"Using the featureless NullPlayerEngine.");
PlayerEngine null_engine = new NullPlayerEngine();
LoadEngine(null_engine);
active_engine = null_engine;
default_engine = null_engine;
}
MetadataService.Instance.HaveResult += OnMetadataServiceHaveResult;
TrackInfo.IsPlayingMethod = track => IsPlaying(track) &&
track.CacheModelId == CurrentTrack.CacheModelId &&
(track.CacheEntryId == null || track.CacheEntryId.Equals(CurrentTrack.CacheEntryId));
}
private void FindSupportingEngine(SafeUri uri)
{
foreach (PlayerEngine engine in engines)
{
foreach (string extension in engine.ExplicitDecoderCapabilities)
{
if (!uri.AbsoluteUri.EndsWith(extension))
{
continue;
}
else if (active_engine != engine)
{
Close();
pending_engine = engine;
Log.DebugFormat("Switching engine to: {0}", engine.GetType());
}
return;
}
}
foreach (PlayerEngine engine in engines)
{
foreach (string scheme in engine.SourceCapabilities)
{
bool supported = scheme == uri.Scheme;
if (supported && active_engine != engine)
{
Close();
pending_engine = engine;
Log.DebugFormat("Switching engine to: {0}", engine.GetType());
return;
}
else if (supported)
{
return;
}
}
}
}
private void LoadEngine(PlayerEngine engine)
{
if (!engine.DelayedInitialize)
{
InitializeEngine(engine);
}
engine.EventChanged += OnEngineEventChanged;
if (engine.Id == preferred_engine_id)
{
DefaultEngine = engine;
}
else
{
if (active_engine == null)
{
active_engine = engine;
}
engines.Add(engine);
}
}
private void LoadEngine(PlayerEngine engine)
{
if (!engine.DelayedInitialize) {
InitializeEngine (engine);
}
engine.EventChanged += OnEngineEventChanged;
if (engine.Id == preferred_engine_id) {
DefaultEngine = engine;
} else {
if (active_engine == null) {
active_engine = engine;
}
engines.Add (engine);
}
}
public void Dispose() {
this.Active = false;
this.mSource = null;
}
public void Dispose()
{
Active = false;
source = null;
}
public void Dispose()
{
MetadataService.Instance.HaveResult -= OnMetadataServiceHaveResult;
foreach (PlayerEngine engine in engines) {
engine.Dispose ();
}
active_engine = null;
default_engine = null;
pending_engine = null;
preferred_engine_id = null;
engines.Clear ();
}
void IInitializeService.Initialize()
{
preferred_engine_id = EngineSchema.Get();
if (default_engine == null && engines.Count > 0) {
default_engine = engines[0];
}
foreach (TypeExtensionNode node in AddinManager.GetExtensionNodes ("/Banshee/MediaEngine/PlayerEngine")) {
LoadEngine (node);
}
if (default_engine != null) {
active_engine = default_engine;
Log.Debug (Catalog.GetString ("Default player engine"), active_engine.Name);
} else {
default_engine = active_engine;
}
if (default_engine == null || active_engine == null || engines == null || engines.Count == 0) {
Log.Warning (Catalog.GetString (
"No player engines were found. Please ensure Banshee has been cleanly installed."),
"Using the featureless NullPlayerEngine.");
PlayerEngine null_engine = new NullPlayerEngine ();
LoadEngine (null_engine);
active_engine = null_engine;
default_engine = null_engine;
}
MetadataService.Instance.HaveResult += OnMetadataServiceHaveResult;
TrackInfo.IsPlayingMethod = track => IsPlaying (track) &&
track.CacheModelId == CurrentTrack.CacheModelId &&
(track.CacheEntryId == null || track.CacheEntryId.Equals (CurrentTrack.CacheEntryId));
}
private void CheckPending()
{
if (pending_engine != null && pending_engine != active_engine) {
if (active_engine.CurrentState == PlayerState.Idle) {
Close ();
}
active_engine = pending_engine;
pending_engine = null;
}
}
private bool SwitchToEngine(PlayerEngine switchTo)
{
if (active_engine != switchTo) {
Close ();
pending_engine = switchTo;
Log.DebugFormat ("Switching engine to: {0}", switchTo.GetType ());
return true;
}
return false;
}
private void ConnectOrDisconnect (PlayerEngine engine, bool connect)
{
var vis_engine = engine as IVisualizationDataSource;
if (vis_engine != null) {
if (connect) {
vis_engine.DataAvailable += OnVisualizationDataAvailable;
} else {
vis_engine.DataAvailable -= OnVisualizationDataAvailable;
}
}
}
private void InitializeEngine(PlayerEngine engine)
{
var handler = EngineBeforeInitialize;
if (handler != null) {
handler (engine);
}
engine.Initialize ();
engine.IsInitialized = true;
handler = EngineAfterInitialize;
if (handler != null) {
handler (engine);
}
}
