Update default 5.1 and 6.1 coefficients to exclude front-center

Not all speaker kits have a front-center speaker capable of outputing full-
range content. It's best to err on the side of caution and not include front-
center for normal positional sound by default, leaving it instead for the
dedicated dialog effect.

1 files changed, 12 insertions, 15 deletions

diff --git a/Alc/panning.c b/Alc/panning.c
index 0abf18db..cadfc9b1 100644
--- a/Alc/panning.c
+++ b/Alc/panning.c
@@ -461,23 +461,20 @@ static const ChannelMap MonoCfg[1] = {
     { FrontRight,  { 3.53553391e-1f, -2.04124145e-1f, 0.0f,  2.04124145e-1f } },
     { BackRight,   { 3.53553391e-1f, -2.04124145e-1f, 0.0f, -2.04124145e-1f } },
 }, X51SideCfg[5] = {
-    { SideLeft,    { 3.33001372e-1f,  1.89085671e-1f, 0.0f, -2.00041334e-1f, -2.12309737e-2f, 0.0f, 0.0f, 0.0f, -1.14573483e-2f } },
-    { FrontLeft,   { 1.47751298e-1f,  1.28994110e-1f, 0.0f,  1.15190495e-1f,  7.44949143e-2f, 0.0f, 0.0f, 0.0f, -6.47739980e-3f } },
-    { FrontCenter, { 7.73595729e-2f,  0.00000000e+0f, 0.0f,  9.71390298e-2f,  0.00000000e+0f, 0.0f, 0.0f, 0.0f,  5.18625335e-2f } },
-    { FrontRight,  { 1.47751298e-1f, -1.28994110e-1f, 0.0f,  1.15190495e-1f, -7.44949143e-2f, 0.0f, 0.0f, 0.0f, -6.47739980e-3f } },
-    { SideRight,   { 3.33001372e-1f, -1.89085671e-1f, 0.0f, -2.00041334e-1f,  2.12309737e-2f, 0.0f, 0.0f, 0.0f, -1.14573483e-2f } },
+    { SideLeft,    { 3.33000782e-1f,  1.89084803e-1f, 0.0f, -2.00042375e-1f, -2.12307769e-2f, 0.0f, 0.0f, 0.0f, -1.14579885e-2f } },
+    { FrontLeft,   { 1.88542860e-1f,  1.27709292e-1f, 0.0f,  1.66295695e-1f,  7.30571517e-2f, 0.0f, 0.0f, 0.0f,  2.10901184e-2f } },
+    { FrontRight,  { 1.88542860e-1f, -1.27709292e-1f, 0.0f,  1.66295695e-1f, -7.30571517e-2f, 0.0f, 0.0f, 0.0f,  2.10901184e-2f } },
+    { SideRight,   { 3.33000782e-1f, -1.89084803e-1f, 0.0f, -2.00042375e-1f,  2.12307769e-2f, 0.0f, 0.0f, 0.0f, -1.14579885e-2f } },
 }, X51RearCfg[5] = {
-    { BackLeft,    { 3.33001372e-1f,  1.89085671e-1f, 0.0f, -2.00041334e-1f, -2.12309737e-2f, 0.0f, 0.0f, 0.0f, -1.14573483e-2f } },
-    { FrontLeft,   { 1.47751298e-1f,  1.28994110e-1f, 0.0f,  1.15190495e-1f,  7.44949143e-2f, 0.0f, 0.0f, 0.0f, -6.47739980e-3f } },
-    { FrontCenter, { 7.73595729e-2f,  0.00000000e+0f, 0.0f,  9.71390298e-2f,  0.00000000e+0f, 0.0f, 0.0f, 0.0f,  5.18625335e-2f } },
-    { FrontRight,  { 1.47751298e-1f, -1.28994110e-1f, 0.0f,  1.15190495e-1f, -7.44949143e-2f, 0.0f, 0.0f, 0.0f, -6.47739980e-3f } },
-    { BackRight,   { 3.33001372e-1f, -1.89085671e-1f, 0.0f, -2.00041334e-1f,  2.12309737e-2f, 0.0f, 0.0f, 0.0f, -1.14573483e-2f } },
+    { BackLeft,    { 3.33000782e-1f,  1.89084803e-1f, 0.0f, -2.00042375e-1f, -2.12307769e-2f, 0.0f, 0.0f, 0.0f, -1.14579885e-2f } },
+    { FrontLeft,   { 1.88542860e-1f,  1.27709292e-1f, 0.0f,  1.66295695e-1f,  7.30571517e-2f, 0.0f, 0.0f, 0.0f,  2.10901184e-2f } },
+    { FrontRight,  { 1.88542860e-1f, -1.27709292e-1f, 0.0f,  1.66295695e-1f, -7.30571517e-2f, 0.0f, 0.0f, 0.0f,  2.10901184e-2f } },
+    { BackRight,   { 3.33000782e-1f, -1.89084803e-1f, 0.0f, -2.00042375e-1f,  2.12307769e-2f, 0.0f, 0.0f, 0.0f, -1.14579885e-2f } },
 }, X61Cfg[6] = {
-    { SideLeft,    { 2.04462744e-1f,  2.17178497e-1f, 0.0f, -4.39990188e-2f, -2.60787329e-2f, 0.0f, 0.0f, 0.0f, -6.87238843e-2f } },
-    { FrontLeft,   { 1.18130342e-1f,  9.34633906e-2f, 0.0f,  1.08553749e-1f,  6.80658795e-2f, 0.0f, 0.0f, 0.0f,  1.08999485e-2f } },
-    { FrontCenter, { 7.73595729e-2f,  0.00000000e+0f, 0.0f,  9.71390298e-2f,  0.00000000e+0f, 0.0f, 0.0f, 0.0f,  5.18625335e-2f } },
-    { FrontRight,  { 1.18130342e-1f, -9.34633906e-2f, 0.0f,  1.08553749e-1f, -6.80658795e-2f, 0.0f, 0.0f, 0.0f,  1.08999485e-2f } },
-    { SideRight,   { 2.04462744e-1f, -2.17178497e-1f, 0.0f, -4.39990188e-2f,  2.60787329e-2f, 0.0f, 0.0f, 0.0f, -6.87238843e-2f } },
+    { SideLeft,    { 2.04460341e-1f,  2.17177926e-1f, 0.0f, -4.39996780e-2f, -2.60790269e-2f, 0.0f, 0.0f, 0.0f, -6.87239792e-2f } },
+    { FrontLeft,   { 1.58923161e-1f,  9.21772680e-2f, 0.0f,  1.59658796e-1f,  6.66278083e-2f, 0.0f, 0.0f, 0.0f,  3.84686854e-2f } },
+    { FrontRight,  { 1.58923161e-1f, -9.21772680e-2f, 0.0f,  1.59658796e-1f, -6.66278083e-2f, 0.0f, 0.0f, 0.0f,  3.84686854e-2f } },
+    { SideRight,   { 2.04460341e-1f, -2.17177926e-1f, 0.0f, -4.39996780e-2f,  2.60790269e-2f, 0.0f, 0.0f, 0.0f, -6.87239792e-2f } },
     { BackCenter,  { 2.50001688e-1f,  0.00000000e+0f, 0.0f, -2.50000094e-1f,  0.00000000e+0f, 0.0f, 0.0f, 0.0f,  6.05133395e-2f } },
 }, X71Cfg[6] = {
     { BackLeft,    { 2.04124145e-1f,  1.08880247e-1f, 0.0f, -1.88586120e-1f, -1.29099444e-1f, 0.0f, 0.0f, 0.0f,  7.45355993e-2f,  3.73460789e-2f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f,  0.00000000e+0f } },