From de383de310088eff07d91c567cddd5b7c3d6c571 Mon Sep 17 00:00:00 2001
From: Jeremy Andrews <athenian200@outlook.com>
Date: Tue, 5 Jul 2022 22:11:34 -0500
Subject: Issue #1956 - Follow-up: Fix weird linker issue on 32-bit MSVC2022.

I moved Range<bool>::Merge and Range<bool>::FinalizeMerge from MediaTrackConstraints.cpp, into MediaTrackConstraints.h. The header file previously contained only a forward declaration of functions implemented in the .cpp, which can be a problem if other parts of the program are including this header expecting to find the function.
---
 dom/media/webrtc/MediaTrackConstraints.cpp | 43 ----------------------------
 dom/media/webrtc/MediaTrackConstraints.h   | 46 ++++++++++++++++++++++++++++--
 2 files changed, 44 insertions(+), 45 deletions(-)

diff --git a/dom/media/webrtc/MediaTrackConstraints.cpp b/dom/media/webrtc/MediaTrackConstraints.cpp
index 42582e3c29..08bb513955 100644
--- a/dom/media/webrtc/MediaTrackConstraints.cpp
+++ b/dom/media/webrtc/MediaTrackConstraints.cpp
@@ -34,49 +34,6 @@ NormalizedConstraintSet::Range<ValueType>::SetFrom(const ConstrainRange& aOther)
   }
 }
 
-// The Range code works surprisingly well for bool, except when averaging ideals.
-template<>
-bool
-NormalizedConstraintSet::Range<bool>::Merge(const Range& aOther) {
-  if (!Intersects(aOther)) {
-    return false;
-  }
-  Intersect(aOther);
-
-  // To avoid "unsafe use of type 'bool'", we keep counter in mMergeDenominator
-  uint32_t counter = mMergeDenominator >> 16;
-  uint32_t denominator = mMergeDenominator & 0xffff;
-
-  if (aOther.mIdeal.isSome()) {
-    if (mIdeal.isNothing()) {
-      mIdeal.emplace(aOther.Get(false));
-      counter = aOther.Get(false);
-      denominator = 1;
-    } else {
-      if (!denominator) {
-        counter = Get(false);
-        denominator = 1;
-      }
-      counter += aOther.Get(false);
-      denominator++;
-    }
-  }
-  mMergeDenominator = ((counter & 0xffff) << 16) + (denominator & 0xffff);
-  return true;
-}
-
-template<>
-void
-NormalizedConstraintSet::Range<bool>::FinalizeMerge()
-{
-  if (mMergeDenominator) {
-    uint32_t counter = mMergeDenominator >> 16;
-    uint32_t denominator = mMergeDenominator & 0xffff;
-
-    *mIdeal = !!(counter / denominator);
-    mMergeDenominator = 0;
-  }
-}
 
 NormalizedConstraintSet::LongRange::LongRange(
     LongPtrType aMemberPtr,
diff --git a/dom/media/webrtc/MediaTrackConstraints.h b/dom/media/webrtc/MediaTrackConstraints.h
index 842fea0d2d..693c905d5f 100644
--- a/dom/media/webrtc/MediaTrackConstraints.h
+++ b/dom/media/webrtc/MediaTrackConstraints.h
@@ -261,8 +261,50 @@ public:
                         aOther.mMozAutoGainControl, advanced, aList) {}
 };
 
-template<> bool NormalizedConstraintSet::Range<bool>::Merge(const Range& aOther);
-template<> void NormalizedConstraintSet::Range<bool>::FinalizeMerge();
+// The Range code works surprisingly well for bool, except when averaging ideals.
+template<>
+bool
+NormalizedConstraintSet::Range<bool>::Merge(const Range& aOther) {
+  if (!Intersects(aOther)) {
+    return false;
+  }
+  Intersect(aOther);
+
+  // To avoid "unsafe use of type 'bool'", we keep counter in mMergeDenominator
+  uint32_t counter = mMergeDenominator >> 16;
+  uint32_t denominator = mMergeDenominator & 0xffff;
+
+  if (aOther.mIdeal.isSome()) {
+    if (mIdeal.isNothing()) {
+      mIdeal.emplace(aOther.Get(false));
+      counter = aOther.Get(false);
+      denominator = 1;
+    } else {
+      if (!denominator) {
+        counter = Get(false);
+        denominator = 1;
+      }
+      counter += aOther.Get(false);
+      denominator++;
+    }
+  }
+  mMergeDenominator = ((counter & 0xffff) << 16) + (denominator & 0xffff);
+  return true;
+}
+
+template<>
+void
+NormalizedConstraintSet::Range<bool>::FinalizeMerge()
+{
+  if (mMergeDenominator) {
+    uint32_t counter = mMergeDenominator >> 16;
+    uint32_t denominator = mMergeDenominator & 0xffff;
+
+    *mIdeal = !!(counter / denominator);
+    mMergeDenominator = 0;
+  }
+}
+
 
 // Used instead of MediaTrackConstraints in lower-level code.
 struct NormalizedConstraints : public NormalizedConstraintSet
-- 
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