64 lines
1.3 KiB
C#
64 lines
1.3 KiB
C#
using System;
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using BizHawk.Emulation.Common;
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namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
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{
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public partial class QuickNES : ISoundProvider
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{
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private readonly short[] _monoBuff = new short[1024];
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private readonly short[] _stereoBuff = new short[2048];
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private int _numSamples;
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public bool CanProvideAsync => false;
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public void GetSamplesSync(out short[] samples, out int nsamp)
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{
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samples = _stereoBuff;
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nsamp = _numSamples;
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}
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public void DiscardSamples()
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{
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// Nothing to do
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}
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public void SetSyncMode(SyncSoundMode mode)
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{
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if (mode == SyncSoundMode.Async)
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{
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throw new NotSupportedException("Async mode is not supported.");
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}
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}
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public SyncSoundMode SyncMode => SyncSoundMode.Sync;
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public void GetSamplesAsync(short[] samples)
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{
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throw new InvalidOperationException("Async mode is not supported.");
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}
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private void InitAudio()
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{
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LibQuickNES.ThrowStringError(QN.qn_set_sample_rate(Context, 44100));
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}
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private void DrainAudio()
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{
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_numSamples = QN.qn_read_audio(Context, _monoBuff, _monoBuff.Length);
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unsafe
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{
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fixed (short* _src = &_monoBuff[0], _dst = &_stereoBuff[0])
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{
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short* src = _src;
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short* dst = _dst;
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for (int i = 0; i < _numSamples; i++)
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{
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*dst++ = *src;
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*dst++ = *src++;
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}
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}
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}
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}
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}
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}
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