public bool EnsurePlaybackStreamIsDead()
{
if (CurrentState == State.NotReady)
{
return(false);
}
bool I_Closed_The_Stream = m_CurrentAudioStream != null;
if (I_Closed_The_Stream)
{
m_CurrentAudioStream.Close();
m_CurrentAudioStream = null;
}
m_CurrentAudioPCMFormat = null;
m_CurrentAudioDataLength = 0;
m_CurrentAudioStreamProvider = null;
return(I_Closed_The_Stream);
}
public void PlayBytes(StreamProviderDelegate currentAudioStreamProvider,
long dataLength, AudioLibPCMFormat pcmInfo,
long bytesFrom, long bytesTo)
{
if (pcmInfo == null)
{
throw new ArgumentNullException("PCM format cannot be null !");
}
if (currentAudioStreamProvider == null)
{
throw new ArgumentNullException("Stream cannot be null !");
}
if (dataLength <= 0)
{
throw new ArgumentOutOfRangeException("Duration cannot be <= 0 !");
}
if (CurrentState == State.NotReady)
{
return;
}
if (CurrentState != State.Stopped)
{
Debug.Fail("Attempting to play when not stopped ? " + CurrentState);
return;
}
#if USE_SOUNDTOUCH
if (false && pcmInfo.NumberOfChannels > 1)
{
m_UseSoundTouch = false; //TODO: stereo all scrambled with SoundTouch !!
}
else
{
m_UseSoundTouch = m_UseSoundTouchBackup;
}
#endif // USE_SOUNDTOUCH
m_CurrentAudioStreamProvider = currentAudioStreamProvider;
m_CurrentAudioStream = m_CurrentAudioStreamProvider();
m_CurrentAudioPCMFormat = pcmInfo;
m_CurrentAudioDataLength = dataLength;
long startPosition = 0;
if (bytesFrom > 0)
{
startPosition = m_CurrentAudioPCMFormat.AdjustByteToBlockAlignFrameSize(bytesFrom);
}
long endPosition = 0;
if (bytesTo > 0)
{
endPosition = m_CurrentAudioPCMFormat.AdjustByteToBlockAlignFrameSize(bytesTo);
}
if (m_CurrentAudioPCMFormat.BytesAreEqualWithMillisecondsTolerance(startPosition, 0))
{
startPosition = 0;
}
if (m_CurrentAudioPCMFormat.BytesAreEqualWithMillisecondsTolerance(endPosition, dataLength))
{
endPosition = dataLength;
}
if (m_CurrentAudioPCMFormat.BytesAreEqualWithMillisecondsTolerance(endPosition, 0))
{
endPosition = 0;
}
if (endPosition != 0 &&
m_CurrentAudioPCMFormat.BytesAreEqualWithMillisecondsTolerance(endPosition, startPosition))
{
return;
}
if (startPosition >= 0 &&
(endPosition == 0 || startPosition < endPosition) &&
endPosition <= dataLength)
{
if (m_FwdRwdRate == 0)
{
startPlayback(startPosition, endPosition);
Console.WriteLine("starting playback ");
}
else if (m_FwdRwdRate > 0)
{
FastForward(startPosition);
Console.WriteLine("fast forward ");
}
else if (m_FwdRwdRate < 0)
{
if (startPosition == 0)
{
startPosition = m_CurrentAudioStream.Length;
}
Rewind(startPosition);
Console.WriteLine("Rewind ");
}
}
else
{
//throw new Exception("Start/end positions out of bounds of audio asset.");
DebugFix.Assert(false);
}
}
