ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Temporary fix for N64 sound problems with new sound provider.

This commit is contained in:
jdpurcell 2015-01-23 05:39:19 +00:00
parent 5026d39da1
commit 6a81746636
1 changed files with 26 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
BizHawk.Client.EmuHawk/SoundOutputProvider.cs
View File

@ -37,6 +37,10 @@ namespace BizHawk.Client.EmuHawk
private Queue<int> _outputCountHistory = new Queue<int>();
private Queue<bool> _hardCorrectionHistory = new Queue<bool>();
private bool _disableFramerateCompensation;
private double _lastSamplesPerFrame;
private int _lastBaseProviderSampleCount;
private short[] _resampleBuffer = new short[0];
private double _resampleLengthRoundingError;
@ -52,6 +56,9 @@ namespace BizHawk.Client.EmuHawk
_extraCountHistory.Clear();
_outputCountHistory.Clear();
_hardCorrectionHistory.Clear();
_disableFramerateCompensation = false;
_lastSamplesPerFrame = 0.0;
_lastBaseProviderSampleCount = 0;
_resampleBuffer = new short[0];
_resampleLengthRoundingError = 0.0;
@ -122,11 +129,12 @@ namespace BizHawk.Client.EmuHawk
if (LogDebug)
{
Console.WriteLine("Avg: {0:0.0} ms, Min: {1:0.0} ms, Max: {2:0.0} ms, Scale: {3:0.0000}",
Console.WriteLine("Avg: {0:0.0} ms, Min: {1:0.0} ms, Max: {2:0.0} ms, Scale: {3:0.0000} {4}",
_extraCountHistory.Average() * 1000.0 / SampleRate,
_extraCountHistory.Min() * 1000.0 / SampleRate,
_extraCountHistory.Max() * 1000.0 / SampleRate,
scaleFactor);
scaleFactor,
_disableFramerateCompensation ? "*" : "");
}
return outputSampleCount;
@ -139,11 +147,25 @@ namespace BizHawk.Client.EmuHawk
BaseSoundProvider.GetSamples(out samples, out count);
if (count != 0)
if (SamplesPerFrame != _lastSamplesPerFrame)
{
scaleFactor *= SamplesPerFrame / count;
_disableFramerateCompensation = false;
}
if (count != 0 && !_disableFramerateCompensation)
{
if (_lastBaseProviderSampleCount != 0 && Math.Abs(count - _lastBaseProviderSampleCount) > 10)
{
_disableFramerateCompensation = true;
}
scaleFactor *= SamplesPerFrame / count;
_lastBaseProviderSampleCount = count;
}
_lastSamplesPerFrame = SamplesPerFrame;
double newCountTarget = count * scaleFactor;
int newCount = (int)Math.Round(newCountTarget + _resampleLengthRoundingError);
// Do not resample for one-sample differences. With NTSC @ 59.94 FPS, for example,