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gstreamer-sharp: Query duration async

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This commit is contained in:
Stephan Sundermann committed 2013-12-22 22:26:10 +01:00
1 parent f4fca4d798
commit 5bac5e98bf
4 files changed
+89 -30
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Vocaluxe/Base/CBackgroundMusic.cs
+1 -1
View File
@@ -198,7 +198,7 @@ namespace Vocaluxe.Base
timeToPlay = _CurrentPlaylistElement.Finish - CSound.GetPosition(_CurrentMusicStream);
bool finished = CSound.IsFinished(_CurrentMusicStream);
if (IsPlaying && (timeToPlay <= CSettings.BackgroundMusicFadeTime || finished))
if (IsPlaying && ((timeToPlay <= CSettings.BackgroundMusicFadeTime && timeToPlay > 0) || finished))
{
if (_RepeatSong)
{
Vocaluxe/Lib/Sound/CGstreamerSharpAudio.cs
+57 -21
View File
@@ -169,7 +169,7 @@ namespace Vocaluxe.Lib.Sound
public bool IsPaused(int stream)
{
if (!Streams.ContainsKey(stream))
return true;
return false;
return Streams[stream].Paused;
}
@@ -206,8 +206,8 @@ namespace Vocaluxe.Lib.Sound
{
private Element _Element;
private bool _Loop;
public bool _Closed;
public bool _Finished;
public volatile bool _Closed;
public volatile bool _Finished;
private bool _Fading;
private bool _CloseStreamAfterFade;
@@ -219,6 +219,10 @@ namespace Vocaluxe.Lib.Sound
private float _Volume = 100f;
public float _MaxVolume = 100f;
private volatile float _Duration = -1f;
private volatile float _Position = 0f;
private volatile bool _QueryingDuration = false;
public CGstreamerSharpAudioStream(string media, bool prescan)
{
var convert = ElementFactory.Make("audioconvert", "convert");
@@ -250,8 +254,14 @@ namespace Vocaluxe.Lib.Sound
_Element["uri"] = new Uri(media).AbsoluteUri;
_Element.SetState(State.Paused);
if (prescan)
_Element.Bus.TimedPopFiltered(0xffffffffffffffff, MessageType.AsyncDone);
// Passing CLOCK_TIME_NONE here causes the pipeline to block for a long time so with
// prescan enabled the pipeline will wait 500ms for stream to initialize and then continue
/*if (prescan)
{
var msg = _Element.Bus.TimedPopFiltered(100L * Constants.MSECOND, MessageType.DurationChanged);
if(msg.Handle != IntPtr.Zero)
UpdateDuration();
}*/
}
private void OnMessage(Message msg)
@@ -269,7 +279,10 @@ namespace Vocaluxe.Lib.Sound
string debug;
msg.ParseError(out error, out debug);
CLog.LogError("Gstreamer error: message" + error.Message + ", code" + error.Code + " ,debug information" + debug);
break;
break;
case MessageType.DurationChanged:
UpdateDuration();
break;
}
msg.Unref();
}
@@ -277,12 +290,21 @@ namespace Vocaluxe.Lib.Sound
public void Close()
{
if (_Element != null)
if (!_Closed)
{
_Element.SetState(State.Null);
_Closed = true;
_Finished = true;
var t = new System.Threading.Thread(TerminateStream);
t.Start();
}
_Closed = true;
_Finished = true;
}
private void TerminateStream()
{
if (_Element != null)
; //_Element.SetState(State.Null);
}
public void Play(bool loop = false)
@@ -356,11 +378,12 @@ namespace Vocaluxe.Lib.Sound
{
get
{
long duration = 0;
if (_Element != null)
if (!_Element.QueryDuration(Format.Time, out duration))
CLog.LogError("Could not query duration");
return duration > 0 ? (duration / (long)Constants.SECOND) : 100;
if (_Duration < 0 && !_QueryingDuration)
{
var t = new System.Threading.Thread(UpdateDuration);
t.Start();
}
return _Duration > 0 ? _Duration : -1;
}
}
@@ -369,10 +392,11 @@ namespace Vocaluxe.Lib.Sound
get
{
long position = 0;
if (_Element != null)
if (!_Element.QueryPosition(Format.Time, out position))
CLog.LogError("Could not query position");
return (float)(position / (double)Constants.SECOND);
if (!_Element.QueryPosition(Format.Time, out position))
CLog.LogError("Could not query position");
else
_Position = (float)(position / (double)Constants.SECOND);
return _Position;
}
set
{
@@ -385,7 +409,7 @@ namespace Vocaluxe.Lib.Sound
{
get
{
return _Element != null ? _Element.CurrentState == State.Paused : true;
return _Element != null ? _Element.TargetState == State.Paused : true;
}
set
{
@@ -398,7 +422,7 @@ namespace Vocaluxe.Lib.Sound
{
get
{
return _Element != null ? _Element.CurrentState == State.Playing : false;
return _Element != null ? _Element.TargetState == State.Playing : false;
}
set
{
@@ -436,6 +460,18 @@ namespace Vocaluxe.Lib.Sound
}
}
}
private void UpdateDuration()
{
_QueryingDuration = true;
long duration = -1;
while (duration < 0 && !_Closed && !_Finished && _Element != null)
{
if (_Element.QueryDuration(Format.Time, out duration))
_Duration = (float)(duration / (long)Constants.SECOND);
}
_QueryingDuration = false;
}
}
}
}
Vocaluxe/Screens/CScreenSing.cs
+7
View File
@@ -94,6 +94,7 @@ namespace Vocaluxe.Screens
private int _CurrentBeat;
private int _CurrentStream = -1;
private float _Length = -1f;
//private int _NextStream = -1;
private const float _Volume = 100f;
private int _CurrentVideo = -1;
@@ -417,6 +418,7 @@ namespace Vocaluxe.Screens
_CurrentBeat = -100;
_CurrentTime = 0f;
_FinishTime = 0f;
_Length = -1f;
_TimeToFirstNote = 0f;
_TimeToFirstNoteDuet = 0f;
_Pause = false;
@@ -1302,6 +1304,9 @@ namespace Vocaluxe.Screens
totalTime -= song.Start;
float currentTime = _CurrentTime - song.Start;
if (_Length < 0 && totalTime > 0)
_PrepareTimeLine();
if (totalTime <= 0f)
return;
@@ -1382,6 +1387,8 @@ namespace Vocaluxe.Screens
if (totalTime <= 0f)
return;
_Length = totalTime;
foreach (CVoice voice in song.Notes.Voices)
{
foreach (CSongLine line in voice.Lines.Where(line => line.VisibleInTimeLine))
VocaluxeLib/Menu/SongMenu/CSongMenuTileBoard.cs
+24 -8
View File
@@ -58,6 +58,8 @@ namespace VocaluxeLib.Menu.SongMenu
private bool _SmallView;
private float _Length = -1f;
public CSongMenuTileBoard(int partyModeID)
: base(partyModeID) {}
@@ -132,6 +134,9 @@ namespace VocaluxeLib.Menu.SongMenu
for (int i = 0; i < _Tiles.Count; i++)
_Tiles[i].Selected = _Locked == i + _Offset;
}
if (_Length < 0 && CBase.Sound.GetLength(_PreviewSongStream) > 0 && CBase.Songs.IsInCategory())
UpdateLength(CBase.Songs.GetVisibleSong(_PreviewId));
}
private void _UpdatePreview()
@@ -145,6 +150,7 @@ namespace VocaluxeLib.Menu.SongMenu
_VideoIcon.Visible = false;
_MedleyCalcIcon.Visible = false;
_MedleyTagIcon.Visible = false;
_Length = -1f;
//Check if nothing is selected (for preview)
if (_PreviewId < 0)
@@ -173,14 +179,7 @@ namespace VocaluxeLib.Menu.SongMenu
_MedleyCalcIcon.Visible = song.Medley.Source == EDataSource.Calculated;
_MedleyTagIcon.Visible = song.Medley.Source == EDataSource.Tag;
float time = CBase.Sound.GetLength(_PreviewSongStream);
if (Math.Abs(song.Finish) > 0.001)
time = song.Finish;
time -= song.Start;
var min = (int)Math.Floor(time / 60f);
var sec = (int)(time - min * 60f);
_SongLength.Text = min.ToString("00") + ":" + sec.ToString("00");
UpdateLength(song);
}
else
{
@@ -197,6 +196,23 @@ namespace VocaluxeLib.Menu.SongMenu
}
}
private void UpdateLength(CSong song)
{
float time = CBase.Sound.GetLength(_PreviewSongStream);
if (Math.Abs(song.Finish) > 0.001)
time = song.Finish;
// The audiobackend is not yet ready to return the length
if (time > 0)
{
time -= song.Start;
var min = (int)Math.Floor(time / 60f);
var sec = (int)(time - min * 60f);
_SongLength.Text = min.ToString("00") + ":" + sec.ToString("00");
_Length = time;
}
}
public override void OnShow()
{
if (CBase.Songs.GetTabs() == EOffOn.TR_CONFIG_OFF && CBase.Songs.GetNumCategories() > 0 && !CBase.Songs.IsInCategory())