- enable OpenAL's sound volume normalizer.

ZDoom · Oct 27, 2020 · fb0a40e · fb0a40e
1 parent 0b7fb45
commit fb0a40e
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diff --git a/src/common/audio/sound/oalsound.cpp b/src/common/audio/sound/oalsound.cpp
@@ -556,6 +556,8 @@ OpenALSoundRenderer::OpenALSoundRenderer()
 	ALC.EXT_disconnect = !!alcIsExtensionPresent(Device, "ALC_EXT_disconnect");
 	ALC.SOFT_HRTF = !!alcIsExtensionPresent(Device, "ALC_SOFT_HRTF");
 	ALC.SOFT_pause_device = !!alcIsExtensionPresent(Device, "ALC_SOFT_pause_device");
+	ALC.SOFT_pause_device = !!alcIsExtensionPresent(Device, "ALC_SOFT_pause_device");
+	ALC.SOFT_output_limiter = !!alcIsExtensionPresent(Device, "ALC_SOFT_output_limiter");
 
 	const ALCchar *current = NULL;
 	if(alcIsExtensionPresent(Device, "ALC_ENUMERATE_ALL_EXT"))
@@ -592,6 +594,11 @@ OpenALSoundRenderer::OpenALSoundRenderer()
 		else
 			attribs.Push(ALC_DONT_CARE_SOFT);
 	}
+	if (ALC.SOFT_output_limiter)
+	{
+		attribs.Push(ALC_OUTPUT_LIMITER_SOFT);
+		attribs.Push(ALC_TRUE /* or ALC_FALSE or ALC_DONT_CARE_SOFT */);
+	}
 	// Other attribs..?
 	attribs.Push(0);
 

diff --git a/src/common/audio/sound/oalsound.h b/src/common/audio/sound/oalsound.h
@@ -48,6 +48,8 @@
 #define ALC_NUM_HRTF_SPECIFIERS_SOFT             0x1994
 #define ALC_HRTF_SPECIFIER_SOFT                  0x1995
 #define ALC_HRTF_ID_SOFT                         0x1996
+#define ALC_OUTPUT_LIMITER_SOFT                  0x199A 
+
 typedef const ALCchar* (ALC_APIENTRY*LPALCGETSTRINGISOFT)(ALCdevice *device, ALCenum paramName, ALCsizei index);
 typedef ALCboolean (ALC_APIENTRY*LPALCRESETDEVICESOFT)(ALCdevice *device, const ALCint *attribs);
 #ifdef AL_ALEXT_PROTOTYPES
@@ -181,6 +183,7 @@ class OpenALSoundRenderer : public SoundRenderer
         bool EXT_disconnect;
         bool SOFT_HRTF;
         bool SOFT_pause_device;
+		bool SOFT_output_limiter;
     } ALC;
     struct {
         bool EXT_source_distance_model;