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);
}
}
}
}
internal SoundInstance(AudioDevice audioDevice, Sound sound) : base(audioDevice)
{
if (sound == null)
{
throw new ArgumentNullException("sound");
}
if (sound.IsDisposed)
{
throw new ArgumentException("Sound is disposed.", "sound");
}
this.Sound = sound;
IDs = new List <int>();
if (sound.IsStreamed)
{
source = SampleSourceFactory.FromFile(sound.File);
}
int bufferCount;
if (sound.IsStreamed)
{
bufferCount = sound.Supports3D ? source.Channels : 1;
}
else
{
bufferCount = sound.Buffers.Count;
}
IDs.AddRange(AL.GenSources(bufferCount));
DotGame.OpenAL.AudioDevice.CheckALError();
if (sound.IsStreamed)
{
ringbuffers = new AudioBuffer <short> [bufferCount, RINGBUFFER_COUNT];
for (int i = 0; i < bufferCount; i++)
{
for (int j = 0; j < RINGBUFFER_COUNT; j++)
{
ringbuffers[i, j] = new AudioBuffer <short>(AudioDeviceInternal, false);
}
}
ringBufferIndex = 0;
}
else
{
var buffers = sound.Buffers;
for (int i = 0; i < buffers.Count; i++)
{
AL.Source(IDs[i], ALSourcei.Buffer, buffers[i].ID);
DotGame.OpenAL.AudioDevice.CheckALError();
}
}
if (AudioDevice.Capabilities.SupportsEfx)
{
directFilter = AudioDeviceInternal.Efx.GenFilter();
AudioDeviceInternal.Efx.Filter(directFilter, EfxFilteri.FilterType, (int)EfxFilterType.Lowpass);
Set(ALSourcei.EfxDirectFilter, directFilter);
}
sound.Register(this);
}