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fix typo in GambatteLink file

This commit is contained in:
adelikat 2020-03-15 18:24:42 -05:00
parent 4152dce1ca
commit 20b99d4ae2
1 changed files with 110 additions and 110 deletions
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220
BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/GamebatteLink.ISoundProvider.cs → BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/GambatteLink.ISoundProvider.cs
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@ -1,110 +1,110 @@
using System;
using BizHawk.Emulation.Common;
namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
{
public partial class GambatteLink : ISoundProvider
{
public bool CanProvideAsync => false;
public void SetSyncMode(SyncSoundMode mode)
{
if (mode == SyncSoundMode.Async)
{
throw new NotSupportedException("Async mode is not supported.");
}
}
public SyncSoundMode SyncMode => SyncSoundMode.Sync;
public void GetSamplesSync(out short[] samples, out int nsamp)
{
nsamp = _sampleBufferContains;
samples = SampleBuffer;
}
public void GetSamplesAsync(short[] samples)
{
throw new InvalidOperationException("Async mode is not supported.");
}
public void DiscardSamples()
{
_sampleBufferContains = 0;
}
// i tried using the left and right buffers and then mixing them together... it was kind of a mess of code, and slow
private BlipBuffer _blipLeft;
private BlipBuffer _blipRight;
private readonly short[] LeftBuffer = new short[(35112 + 2064) * 2];
private readonly short[] RightBuffer = new short[(35112 + 2064) * 2];
private readonly short[] SampleBuffer = new short[1536];
private int _sampleBufferContains = 0;
private int _latchLeft;
private int _latchRight;
private unsafe void PrepSound()
{
fixed (short* sl = LeftBuffer, sr = RightBuffer)
{
for (uint i = 0; i < SampPerFrame * 2; i += 2)
{
int s = (sl[i] + sl[i + 1]) / 2;
if (s != _latchLeft)
{
_blipLeft.AddDelta(i, s - _latchLeft);
_latchLeft = s;
}
s = (sr[i] + sr[i + 1]) / 2;
if (s != _latchRight)
{
_blipRight.AddDelta(i, s - _latchRight);
_latchRight = s;
}
}
}
_blipLeft.EndFrame(SampPerFrame * 2);
_blipRight.EndFrame(SampPerFrame * 2);
int count = _blipLeft.SamplesAvailable();
if (count != _blipRight.SamplesAvailable())
{
throw new Exception("Sound problem?");
}
// calling blip.Clear() causes rounding fractions to be reset,
// and if only one channel is muted, in subsequent frames we can be off by a sample or two
// not a big deal, but we didn't account for it. so we actually complete the entire
// audio read and then stamp it out if muted.
_blipLeft.ReadSamplesLeft(SampleBuffer, count);
if (L.Muted)
{
fixed (short* p = SampleBuffer)
{
for (int i = 0; i < SampleBuffer.Length; i += 2)
{
p[i] = 0;
}
}
}
_blipRight.ReadSamplesRight(SampleBuffer, count);
if (R.Muted)
{
fixed (short* p = SampleBuffer)
{
for (int i = 1; i < SampleBuffer.Length; i += 2)
{
p[i] = 0;
}
}
}
_sampleBufferContains = count;
}
}
}
using System;
using BizHawk.Emulation.Common;
namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
{
public partial class GambatteLink : ISoundProvider
{
public bool CanProvideAsync => false;
public void SetSyncMode(SyncSoundMode mode)
{
if (mode == SyncSoundMode.Async)
{
throw new NotSupportedException("Async mode is not supported.");
}
}
public SyncSoundMode SyncMode => SyncSoundMode.Sync;
public void GetSamplesSync(out short[] samples, out int nsamp)
{
nsamp = _sampleBufferContains;
samples = SampleBuffer;
}
public void GetSamplesAsync(short[] samples)
{
throw new InvalidOperationException("Async mode is not supported.");
}
public void DiscardSamples()
{
_sampleBufferContains = 0;
}
// i tried using the left and right buffers and then mixing them together... it was kind of a mess of code, and slow
private BlipBuffer _blipLeft;
private BlipBuffer _blipRight;
private readonly short[] LeftBuffer = new short[(35112 + 2064) * 2];
private readonly short[] RightBuffer = new short[(35112 + 2064) * 2];
private readonly short[] SampleBuffer = new short[1536];
private int _sampleBufferContains = 0;
private int _latchLeft;
private int _latchRight;
private unsafe void PrepSound()
{
fixed (short* sl = LeftBuffer, sr = RightBuffer)
{
for (uint i = 0; i < SampPerFrame * 2; i += 2)
{
int s = (sl[i] + sl[i + 1]) / 2;
if (s != _latchLeft)
{
_blipLeft.AddDelta(i, s - _latchLeft);
_latchLeft = s;
}
s = (sr[i] + sr[i + 1]) / 2;
if (s != _latchRight)
{
_blipRight.AddDelta(i, s - _latchRight);
_latchRight = s;
}
}
}
_blipLeft.EndFrame(SampPerFrame * 2);
_blipRight.EndFrame(SampPerFrame * 2);
int count = _blipLeft.SamplesAvailable();
if (count != _blipRight.SamplesAvailable())
{
throw new Exception("Sound problem?");
}
// calling blip.Clear() causes rounding fractions to be reset,
// and if only one channel is muted, in subsequent frames we can be off by a sample or two
// not a big deal, but we didn't account for it. so we actually complete the entire
// audio read and then stamp it out if muted.
_blipLeft.ReadSamplesLeft(SampleBuffer, count);
if (L.Muted)
{
fixed (short* p = SampleBuffer)
{
for (int i = 0; i < SampleBuffer.Length; i += 2)
{
p[i] = 0;
}
}
}
_blipRight.ReadSamplesRight(SampleBuffer, count);
if (R.Muted)
{
fixed (short* p = SampleBuffer)
{
for (int i = 1; i < SampleBuffer.Length; i += 2)
{
p[i] = 0;
}
}
}
_sampleBufferContains = count;
}
}
}