Merged in wav-format-converter (pull request #530)

codec/wav: Add type conversion map for wav encoding type.

Approved-by: Trek Hopton

codec/wav/wav.go

@@ -33,6 +33,10 @@ import (
 	"fmt"
 )
 
+// ConvertFormat converts the common name for a format in a string type to the specific
+// integer required by the wav encoder.
+var ConvertFormat = map[string]int{"pcm": PCMFormat}
+
 const PCMFormat = 1 // PCMFormat defines the value for pcm audio as defined by the wav std.
 
 var (