From 3675dfcfef3becf8cfe84b0b213d502a2cf0088a Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Sat, 14 Sep 2019 08:50:07 -0700
Subject: Use an unsigned index value

---
 alc/alcmain.h   | 2 +-
 alc/panning.cpp | 5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/alc/alcmain.h b/alc/alcmain.h
index 933ee779..9182d5d4 100644
--- a/alc/alcmain.h
+++ b/alc/alcmain.h
@@ -142,7 +142,7 @@ public:
 
 struct BFChannelConfig {
     ALfloat Scale;
-    ALsizei Index;
+    ALuint Index;
 };
 
 /* Size for temporary storage of buffer data, in ALfloats. Larger values need
diff --git a/alc/panning.cpp b/alc/panning.cpp
index 018296d3..7fb1d9ff 100644
--- a/alc/panning.cpp
+++ b/alc/panning.cpp
@@ -969,10 +969,7 @@ void ComputePanGains(const MixParams *mix, const ALfloat *RESTRICT coeffs, ALflo
 
     auto iter = std::transform(ambimap, ambimap+mix->Buffer.size(), std::begin(gains),
         [coeffs,ingain](const BFChannelConfig &chanmap) noexcept -> ALfloat
-        {
-            ASSUME(chanmap.Index >= 0);
-            return chanmap.Scale * coeffs[chanmap.Index] * ingain;
-        }
+        { return chanmap.Scale * coeffs[chanmap.Index] * ingain; }
     );
     std::fill(iter, std::end(gains), 0.0f);
 }
-- 
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