Use a string to specify the resampler config option

Alc/ALc.c

@@ -583,10 +583,24 @@ static void alc_initconfig(void)
 #endif
     ConfigValueInt(NULL, "rt-prio", &RTPrioLevel);
 
-    if(ConfigValueInt(NULL, "resampler", &n))
+    if(ConfigValueStr(NULL, "resampler", &str))
     {
-        if(n < RESAMPLER_MAX && n > RESAMPLER_MIN)
-            DefaultResampler = n;
+        if(strcasecmp(str, "point") == 0 || strcasecmp(str, "none") == 0)
+            DefaultResampler = POINT_RESAMPLER;
+        else if(strcasecmp(str, "linear") == 0)
+            DefaultResampler = LINEAR_RESAMPLER;
+        else if(strcasecmp(str, "cubic") == 0)
+            DefaultResampler = CUBIC_RESAMPLER;
+        else
+        {
+            char *end;
+
+            n = strtol(str, &end, 0);
+            if(*end == '\0' && n < RESAMPLER_MAX && n > RESAMPLER_MIN)
+                DefaultResampler = n;
+            else
+                WARN("Invalid resampler: %s\n", str);
+        }
     }
 
     if(!TrapALCError)

alsoftrc.sample

@@ -61,11 +61,11 @@
 
 ## resampler:
 #  Selects the resampler used when mixing sources. Valid values are:
-#  0 - None (nearest sample, no interpolation)
-#  1 - Linear (extrapolates samples using a linear slope between samples)
-#  2 - Cubic (extrapolates samples using a Catmull-Rom spline)
+#  point - nearest sample, no interpolation
+#  linear - extrapolates samples using a linear slope between samples
+#  cubic - extrapolates samples using a Catmull-Rom spline
 #  Specifying other values will result in using the default (linear).
-#resampler = 1
+#resampler = linear
 
 ## rt-prio:
 #  Sets real-time priority for the mixing thread. Not all drivers may use this