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Wave channel improvements.

This commit is contained in:
Washi 2017-10-21 14:30:23 +02:00
parent 789a135a9a
commit 897084526b
1 changed files with 9 additions and 3 deletions
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12
Emux.GameBoy/Audio/WaveSoundChannel.cs
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@ -120,15 +120,21 @@ namespace Emux.GameBoy.Audio
public void ChannelStep(int cycles)
{
double cpuSpeedFactor = _spu.Device.Cpu.SpeedFactor;
if (!Active || double.IsNaN(cpuSpeedFactor) || double.IsInfinity(cpuSpeedFactor) || cpuSpeedFactor < 0.5)
if (!Active
|| !SoundEnabled
|| double.IsNaN(cpuSpeedFactor)
|| double.IsInfinity(cpuSpeedFactor)
|| cpuSpeedFactor < 0.5)
{
return;
}
int sampleRate = ChannelOutput.SampleRate;
double timeDelta = (cycles / GameBoyCpu.OfficialClockFrequency) / cpuSpeedFactor;
int sampleCount = (int) (timeDelta * sampleRate * 2);
float[] buffer = new float[sampleCount];
double interval = 1.0 / Frequency / cpuSpeedFactor;
double interval = 1.0 / Frequency;
int intervalSampleCount = (int) (interval * sampleRate * 2);
for (int i = 0; i < buffer.Length; i++)
{