Add source properties for Super Stereo

When playing a stereo format, enabling Super Stereo causes the source to behave
as a B-Format source, with a variable width control.

1 files changed, 8 insertions, 0 deletions

diff --git a/al/source.h b/al/source.h
index 4d1f66dc..474d0a91 100644
--- a/al/source.h
+++ b/al/source.h
@@ -13,6 +13,7 @@
 
 #include "alc/alu.h"
 #include "alc/context.h"
+#include "alc/inprogext.h"
 #include "aldeque.h"
 #include "almalloc.h"
 #include "alnumeric.h"
@@ -25,6 +26,11 @@ struct ALbuffer;
 struct ALeffectslot;
 
 
+enum class SourceStereo : bool {
+    Normal = AL_NORMAL_SOFT,
+    Enhanced = AL_SUPER_STEREO_SOFT
+};
+
 #define DEFAULT_SENDS  2
 
 #define INVALID_VOICE_IDX static_cast<ALuint>(-1)
@@ -59,6 +65,7 @@ struct ALsource {
     Resampler mResampler{ResamplerDefault};
     DirectMode DirectChannels{DirectMode::Off};
     SpatializeMode mSpatialize{SpatializeMode::Auto};
+    SourceStereo mStereoMode{SourceStereo::Normal};
 
     bool DryGainHFAuto{true};
     bool WetGainAuto{true};
@@ -75,6 +82,7 @@ struct ALsource {
     std::array<float,2> StereoPan{{Deg2Rad( 30.0f), Deg2Rad(-30.0f)}};
 
     float Radius{0.0f};
+    float EnhWidth{0.593f};
 
     /** Direct filter and auxiliary send info. */
     struct {