private ALOutput.BufferCache GetBuffer(string file)
{
ALOutput.BufferCache bufferCache1;
if (this._cache.TryGetValue(file, out bufferCache1))
{
++bufferCache1.RefCount;
bufferCache1.LastUse = DateTime.Now;
Debug.WriteLine("Using " + file + " from cache");
return(bufferCache1);
}
SoundInstance soundInstance = SoundInstance.Create(file, this._source.Open(file));
int bid = AL.GenBuffer();
float[] numArray = soundInstance.ReadFully();
short[] buffer = new short[numArray.Length];
ALFormat format = soundInstance is SoundInstanceMono ? ALFormat.Mono16 : ALFormat.Stereo16;
for (int index = 0; index < numArray.Length; ++index)
{
buffer[index] = (short)((double)numArray[index] * (double)short.MaxValue);
}
AL.BufferData <short>(bid, format, buffer, buffer.Length * 2, soundInstance.WaveFormat.SampleRate);
ALOutput.BufferCache bufferCache2 = new ALOutput.BufferCache()
{
Buffer = bid,
File = file,
RefCount = 1,
LastUse = DateTime.Now
};
this._cache.Add(file, bufferCache2);
return(bufferCache2);
}
private void ReleaseBuffer(ALOutput.BufferCache b)
{
--b.RefCount;
foreach (string key in this._cache.Keys.ToArray <string>())
{
ALOutput.BufferCache bufferCache = this._cache[key];
if (bufferCache.RefCount == 0 && bufferCache.LastUse < DateTime.Now.AddSeconds(-30.0))
{
AL.DeleteBuffer(bufferCache.Buffer);
Debug.WriteLine("Removing " + key + " from cache");
this._cache.Remove(key);
}
}
}
