private void Refill(int count)
{
lock (locker)
{
if (source.Position >= source.TotalSamples)
{
if (isLooping)
{
source.Position = 0;
}
else
{
return;
}
}
var state = AL.GetSourceState(IDs[0]);
for (int a = 0; a < count; a++)
{
var sampleRate = source.SampleRate;
var bufferCount = Sound.Supports3D ? source.Channels : 1;
var channelCount = Sound.Supports3D ? 1 : source.Channels;
float[] samples;
samples = source.ReadSamples(RINGBUFFER_SAMPLES);
if (samples.Length == 0)
{
return;
}
short[] samplesChannel = new short[samples.Length / bufferCount];
for (int i = 0; i < bufferCount; i++)
{
SampleConverter.To16Bit(samples, samplesChannel, i, bufferCount);
var buffer = ringbuffers[i, ringBufferIndex];
buffer.SetData(AudioFormat.Short16, channelCount, samplesChannel, sampleRate);
AL.SourceQueueBuffer(IDs[i], buffer.ID);
}
ringBufferIndex = (ringBufferIndex + 1) % RINGBUFFER_COUNT;
}
var newState = AL.GetSourceState(IDs[0]);
if (newState != ALSourceState.Playing && state == ALSourceState.Playing)
{
Play();
}
}
}
internal Sound(AudioDevice audioDevice, string file, SoundFlags flags) : base(audioDevice)
{
if (string.IsNullOrEmpty(file))
{
throw new ArgumentNullException("file");
}
if (!System.IO.File.Exists(file))
{
throw new System.IO.FileNotFoundException("file", file);
}
this.File = file;
this.Flags = flags;
this.Supports3D = flags.HasFlag(SoundFlags.Support3D);
this.IsStreamed = flags.HasFlag(SoundFlags.Streamed);
this.AllowRead = flags.HasFlag(SoundFlags.AllowRead);
instances = new List <WeakReference <SoundInstance> >();
if (!IsStreamed)
{
using (var source = SampleSourceFactory.FromFile(file))
{
var bufferCount = Supports3D ? source.Channels : 1;
var channelCount = Supports3D ? 1 : source.Channels;
var sampleRate = source.SampleRate;
var samples = source.ReadAll();
buffers = new List <AudioBuffer <short> >();
short[] samplesChannel = new short[samples.Length / bufferCount];
for (int i = 0; i < bufferCount; i++)
{
SampleConverter.To16Bit(samples, samplesChannel, i, bufferCount);
var buffer = new AudioBuffer <short>(audioDevice, !AllowRead);
buffer.SetData(AudioFormat.Short16, channelCount, samplesChannel, sampleRate);
buffers.Add(buffer);
}
}
}
}