private SoundMixer()
{
SamplesPerBuffer = Config.Instance.SampleRate / (Engine.AGB_FPS * Config.Instance.InterFrames);
SampleRateReciprocal = 1f / Config.Instance.SampleRate; SamplesReciprocal = 1f / SamplesPerBuffer;
dsChannels = new DirectSoundChannel[Config.Instance.DirectCount];
for (int i = 0; i < Config.Instance.DirectCount; i++)
{
dsChannels[i] = new DirectSoundChannel();
}
gbChannels = new GBChannel[] { sq1 = new SquareChannel(), sq2 = new SquareChannel(), wave = new WaveChannel(), noise = new NoiseChannel() };
allChannels = dsChannels.Union(gbChannels).ToArray();
mutes = new bool[17]; // 0-15 for tracks, 16 for the program
int amt = SamplesPerBuffer * 2;
audio = new WaveBuffer(amt * 4)
{
FloatBufferCount = amt
};
buffer = new BufferedWaveProvider(WaveFormat.CreateIeeeFloatWaveFormat(Config.Instance.SampleRate, 2))
{
DiscardOnBufferOverflow = true
};
@out = new WasapiOut();
@out.Init(buffer);
@out.Play();
}
public DirectSoundChannel NewDSNote(byte owner, ADSR env, Note note, byte vol, sbyte pan, int pitch, bool bFixed, WrappedSample sample, Track[] tracks)
{
DirectSoundChannel nChn = null;
var byOwner = dsChannels.OrderByDescending(c => c.OwnerIdx);
foreach (var i in byOwner) // Find free
{
if (i.State == ADSRState.Dead || i.OwnerIdx == 0xFF)
{
nChn = i;
break;
}
}
if (nChn == null) // Find releasing
{
foreach (var i in byOwner)
{
if (i.State == ADSRState.Releasing)
{
nChn = i;
break;
}
}
}
if (nChn == null) // Find prioritized
{
foreach (var i in byOwner)
{
if (owner >= 16 || tracks[owner].Priority > tracks[i.OwnerIdx].Priority)
{
nChn = i;
break;
}
}
}
if (nChn == null) // None available
{
var lowest = byOwner.First(); // Kill lowest track's instrument if the track is lower than this one
if (lowest.OwnerIdx >= owner)
{
nChn = lowest;
}
}
if (nChn != null) // Could still be null from the above if
{
nChn.Init(owner, note, env, sample, vol, pan, pitch, bFixed);
}
return(nChn);
}
static SoundMixer()
{
SamplesPerBuffer = Config.SampleRate / (Engine.AGB_FPS * Engine.INTERFRAMES);
SampleRateReciprocal = 1f / Config.SampleRate; SamplesReciprocal = 1f / SamplesPerBuffer;
dsChannels = new DirectSoundChannel[Config.DirectCount];
for (int i = 0; i < Config.DirectCount; i++)
{
dsChannels[i] = new DirectSoundChannel();
}
trackBuffers = new float[MAX_TRACKS][];
reverbs = new Reverb[MAX_TRACKS];
mutes = new bool[MAX_TRACKS];
int amt = (int)(SamplesPerBuffer * 2);
audio = new WaveBuffer(amt * 4)
{
FloatBufferCount = amt
};
for (int i = 0; i < MAX_TRACKS; i++)
{
trackBuffers[i] = new float[amt];
}
gbChannels = new GBChannel[] { sq1 = new SquareChannel(), sq2 = new SquareChannel(), wave = new WaveChannel(), noise = new NoiseChannel() };
allChannels = dsChannels.Union(gbChannels).ToArray();
buffer = new BufferedWaveProvider(WaveFormat.CreateIeeeFloatWaveFormat((int)Config.SampleRate, 2))
{
DiscardOnBufferOverflow = true
};
@out = new WasapiOut();
@out.Init(buffer);
@out.Play();
}
