public override sealed UInt32 BASS_ChannelSetSync(UInt32 handle, UInt32 type, UInt64 param, SyncProc proc, IntPtr user) => pBASS_ChannelSetSync(handle, type, param, proc, user);
public static extern UInt32 ChannelSetSync(UInt32 handle, BASSSync type, UInt64 param, SyncProc proc, IntPtr user);
public abstract UInt32 BASS_ChannelSetSync(UInt32 handle, UInt32 type, UInt64 param, SyncProc proc, IntPtr user);
/// <summary>
/// Releases the memory associated with the underlying stream object.
/// </summary>
private Boolean StopInternal()
{
if (stream == 0)
return false;
if (!BASSNative.StreamFree(stream))
throw new BASSException();
stream = 0;
syncLoopDelegate = null;
syncLoop = 0;
syncEndDelegate = null;
syncEnd = 0;
return true;
}
/// <summary>
/// Plays the specified song.
/// </summary>
private Boolean PlayInternal(Song song, Single volume, Single pitch, Single pan, TimeSpan? loopStart, TimeSpan? loopLength)
{
Ultraviolet.ValidateResource(song);
Stop();
stream = ((BASSSong)song).CreateStream(BASSNative.BASS_STREAM_DECODE);
stream = BASSFXNative.TempoCreate(stream, BASSNative.BASS_FX_FREESOURCE | BASSNative.BASS_STREAM_AUTOFREE);
if (!BASSUtil.IsValidHandle(stream))
throw new BASSException();
var autoloop = loopStart.HasValue && !loopLength.HasValue;
var syncloop = loopStart.HasValue && !autoloop;
BASSUtil.SetIsLooping(stream, autoloop);
BASSUtil.SetVolume(stream, MathUtil.Clamp(volume, 0f, 1f));
BASSUtil.SetPitch(stream, MathUtil.Clamp(pitch, -1f, 1f));
BASSUtil.SetPan(stream, MathUtil.Clamp(pan, -1f, 1f));
if (loopStart > TimeSpan.Zero && loopLength <= TimeSpan.Zero)
throw new ArgumentException(nameof(loopLength));
if (syncloop)
{
var loopStartInBytes = BASSNative.ChannelSeconds2Bytes(stream, loopStart.Value.TotalSeconds);
var loopEndInBytes = BASSNative.ChannelSeconds2Bytes(stream, (loopStart + loopLength).Value.TotalSeconds);
syncLoopDelegate = SyncLoopThunk;
syncLoop = BASSNative.ChannelSetSync(stream, BASSSync.SYNC_POS, loopEndInBytes, syncLoopDelegate, new IntPtr((Int32)loopStartInBytes));
if (syncLoop == 0)
throw new BASSException();
}
syncEndDelegate = SyncEndThunk;
syncEnd = BASSNative.ChannelSetSync(stream, BASSSync.SYNC_END, 0, syncEndDelegate, GCHandle.ToIntPtr(gcHandle));
if (syncEnd == 0)
throw new BASSException();
if (!BASSNative.ChannelPlay(stream, true))
throw new BASSException();
OnStateChanged();
OnSongStarted();
return true;
}
public static UInt32 BASS_ChannelSetSync(UInt32 handle, UInt32 type, UInt64 param, SyncProc proc, IntPtr user) => pBASS_ChannelSetSync(handle, type, param, proc, user);
public static extern UInt32 BASS_ChannelSetSync(UInt32 handle, UInt32 type, UInt64 param, SyncProc proc, IntPtr user);
private static extern UInt32 INTERNAL_BASS_ChannelSetSync(UInt32 handle, UInt32 type, UInt64 param, SyncProc proc, IntPtr user);
