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Disable HRTF by default when using OpenAL Soft #2001

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Merged
joshtynjala merged 1 commit into from
Dec 1, 2025
Merged

Disable HRTF by default when using OpenAL Soft #2001

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16 changes: 16 additions & 0 deletions src/lime/_internal/backend/native/NativeAudioSource.hx
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,10 @@ class NativeAudioSource
#end
private static var STREAM_TIMER_FREQUENCY = 100;

#if lime_openalsoft
private static var hasDirectChannelsExt:Null<Bool>;
#end

private var buffers:Array<ALBuffer>;
private var bufferTimeBlocks:Array<Float>;
private var completed:Bool;
Expand Down Expand Up @@ -136,6 +140,18 @@ class NativeAudioSource
}
}

#if lime_openalsoft
if (hasDirectChannelsExt == null)
{
hasDirectChannelsExt = AL.isExtensionPresent("AL_SOFT_direct_channels") && AL.isExtensionPresent("AL_SOFT_direct_channels_remix");
}

if (hasDirectChannelsExt)
{
AL.sourcei(handle, AL.DIRECT_CHANNELS_SOFT, AL.REMIX_UNMATCHED_SOFT);
}
#end

samples = Std.int((dataLength * 8.0) / (parent.buffer.channels * parent.buffer.bitsPerSample));
}

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7 changes: 7 additions & 0 deletions src/lime/media/openal/AL.hx
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Expand Up @@ -233,6 +233,13 @@ class AL
public static inline var FILTER_LOWPASS:Int = 0x0001;
public static inline var FILTER_HIGHPASS:Int = 0x0002;
public static inline var FILTER_BANDPASS:Int = 0x0003;
#if lime_openalsoft
/* AL_SOFT_direct_channels extension */
public static inline var DIRECT_CHANNELS_SOFT:Int = 0x1033;
/* AL_SOFT_direct_channels_remix extension */
public static inline var DROP_UNMATCHED_SOFT:Int = 0x0001;
public static inline var REMIX_UNMATCHED_SOFT:Int = 0x0002;
#end

public static function removeDirectFilter(source:ALSource)
{
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