Add a crossover frequency field for the device

Used when upsampling low-order ambisonic signals to higher order. Rather than a
hardcoded 400hz, it ensures a consistent crossover point when an ambdec
configuration is used. It can also allow for an alsoft config option.

1 files changed, 1 insertions, 0 deletions

diff --git a/alc/alcmain.h b/alc/alcmain.h
index 3362c011..92c69b74 100644
--- a/alc/alcmain.h
+++ b/alc/alcmain.h
@@ -205,6 +205,7 @@ struct ALCdevice : public al::intrusive_ref<ALCdevice> {
      */
     DevAmbiLayout mAmbiLayout{DevAmbiLayout::Default};
     DevAmbiScaling mAmbiScale{DevAmbiScaling::Default};
+    float mXOverFreq{400.0f};
 
     ALCenum LimiterState{ALC_DONT_CARE_SOFT};