1 files changed, 121 insertions, 0 deletions
diff --git a/alc/backends/base.cpp b/alc/backends/base.cpp
index 01cc5213..c0783f86 100644
--- a/alc/backends/base.cpp
+++ b/alc/backends/base.cpp
@@ -44,3 +44,124 @@ ClockLatency BackendBase::getClockLatency()
 
     return ret;
 }
+
+void BackendBase::setDefaultWFXChannelOrder()
+{
+    mDevice->RealOut.ChannelIndex.fill(INVALID_CHANNEL_INDEX);
+
+    switch(mDevice->FmtChans)
+    {
+    case DevFmtMono:
+        mDevice->RealOut.ChannelIndex[FrontCenter] = 0;
+        break;
+    case DevFmtStereo:
+        mDevice->RealOut.ChannelIndex[FrontLeft]  = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight] = 1;
+        break;
+    case DevFmtQuad:
+        mDevice->RealOut.ChannelIndex[FrontLeft]  = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight] = 1;
+        mDevice->RealOut.ChannelIndex[BackLeft]   = 2;
+        mDevice->RealOut.ChannelIndex[BackRight]  = 3;
+        break;
+    case DevFmtX51:
+        mDevice->RealOut.ChannelIndex[FrontLeft]   = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight]  = 1;
+        mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
+        mDevice->RealOut.ChannelIndex[LFE]         = 3;
+        mDevice->RealOut.ChannelIndex[SideLeft]    = 4;
+        mDevice->RealOut.ChannelIndex[SideRight]   = 5;
+        break;
+    case DevFmtX51Rear:
+        mDevice->RealOut.ChannelIndex[FrontLeft]   = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight]  = 1;
+        mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
+        mDevice->RealOut.ChannelIndex[LFE]         = 3;
+        mDevice->RealOut.ChannelIndex[BackLeft]    = 4;
+        mDevice->RealOut.ChannelIndex[BackRight]   = 5;
+        break;
+    case DevFmtX61:
+        mDevice->RealOut.ChannelIndex[FrontLeft]   = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight]  = 1;
+        mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
+        mDevice->RealOut.ChannelIndex[LFE]         = 3;
+        mDevice->RealOut.ChannelIndex[BackCenter]  = 4;
+        mDevice->RealOut.ChannelIndex[SideLeft]    = 5;
+        mDevice->RealOut.ChannelIndex[SideRight]   = 6;
+        break;
+    case DevFmtX71:
+        mDevice->RealOut.ChannelIndex[FrontLeft]   = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight]  = 1;
+        mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
+        mDevice->RealOut.ChannelIndex[LFE]         = 3;
+        mDevice->RealOut.ChannelIndex[BackLeft]    = 4;
+        mDevice->RealOut.ChannelIndex[BackRight]   = 5;
+        mDevice->RealOut.ChannelIndex[SideLeft]    = 6;
+        mDevice->RealOut.ChannelIndex[SideRight]   = 7;
+        break;
+    case DevFmtAmbi3D:
+        mDevice->RealOut.ChannelIndex[Aux0] = 0;
+        if(mDevice->mAmbiOrder > 0)
+        {
+            mDevice->RealOut.ChannelIndex[Aux1] = 1;
+            mDevice->RealOut.ChannelIndex[Aux2] = 2;
+            mDevice->RealOut.ChannelIndex[Aux3] = 3;
+        }
+        if(mDevice->mAmbiOrder > 1)
+        {
+            mDevice->RealOut.ChannelIndex[Aux4] = 4;
+            mDevice->RealOut.ChannelIndex[Aux5] = 5;
+            mDevice->RealOut.ChannelIndex[Aux6] = 6;
+            mDevice->RealOut.ChannelIndex[Aux7] = 7;
+            mDevice->RealOut.ChannelIndex[Aux8] = 8;
+        }
+        if(mDevice->mAmbiOrder > 2)
+        {
+            mDevice->RealOut.ChannelIndex[Aux9]  = 9;
+            mDevice->RealOut.ChannelIndex[Aux10] = 10;
+            mDevice->RealOut.ChannelIndex[Aux11] = 11;
+            mDevice->RealOut.ChannelIndex[Aux12] = 12;
+            mDevice->RealOut.ChannelIndex[Aux13] = 13;
+            mDevice->RealOut.ChannelIndex[Aux14] = 14;
+            mDevice->RealOut.ChannelIndex[Aux15] = 15;
+        }
+        break;
+    }
+}
+
+void BackendBase::setDefaultChannelOrder()
+{
+    mDevice->RealOut.ChannelIndex.fill(INVALID_CHANNEL_INDEX);
+
+    switch(mDevice->FmtChans)
+    {
+    case DevFmtX51Rear:
+        mDevice->RealOut.ChannelIndex[FrontLeft]   = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight]  = 1;
+        mDevice->RealOut.ChannelIndex[BackLeft]    = 2;
+        mDevice->RealOut.ChannelIndex[BackRight]   = 3;
+        mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
+        mDevice->RealOut.ChannelIndex[LFE]         = 5;
+        return;
+    case DevFmtX71:
+        mDevice->RealOut.ChannelIndex[FrontLeft]   = 0;
+        mDevice->RealOut.ChannelIndex[FrontRight]  = 1;
+        mDevice->RealOut.ChannelIndex[BackLeft]    = 2;
+        mDevice->RealOut.ChannelIndex[BackRight]   = 3;
+        mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
+        mDevice->RealOut.ChannelIndex[LFE]         = 5;
+        mDevice->RealOut.ChannelIndex[SideLeft]    = 6;
+        mDevice->RealOut.ChannelIndex[SideRight]   = 7;
+        return;
+
+    /* Same as WFX order */
+    case DevFmtMono:
+    case DevFmtStereo:
+    case DevFmtQuad:
+    case DevFmtX51:
+    case DevFmtX61:
+    case DevFmtAmbi3D:
+        setDefaultWFXChannelOrder();
+        break;
+    }
+}