Use explicit storage types for some enums

OpenAL32/Include/alBuffer.h

@@ -12,7 +12,7 @@
 
 
 /* User formats */
-enum UserFmtType {
+enum UserFmtType : unsigned char {
     UserFmtUByte,
     UserFmtShort,
     UserFmtFloat,
@@ -22,7 +22,7 @@ enum UserFmtType {
     UserFmtIMA4,
     UserFmtMSADPCM,
 };
-enum UserFmtChannels {
+enum UserFmtChannels : unsigned char {
     UserFmtMono,
     UserFmtStereo,
     UserFmtRear,
@@ -41,7 +41,7 @@ inline ALsizei FrameSizeFromUserFmt(UserFmtChannels chans, UserFmtType type)
 
 
 /* Storable formats */
-enum FmtType {
+enum FmtType : unsigned char {
     FmtUByte  = UserFmtUByte,
     FmtShort  = UserFmtShort,
     FmtFloat  = UserFmtFloat,
@@ -49,7 +49,7 @@ enum FmtType {
     FmtMulaw  = UserFmtMulaw,
     FmtAlaw   = UserFmtAlaw,
 };
-enum FmtChannels {
+enum FmtChannels : unsigned char {
     FmtMono   = UserFmtMono,
     FmtStereo = UserFmtStereo,
     FmtRear   = UserFmtRear,

OpenAL32/Include/alMain.h

@@ -124,7 +124,7 @@ enum Channel {
 
 
 /* Device formats */
-enum DevFmtType {
+enum DevFmtType : ALenum {
     DevFmtByte   = ALC_BYTE_SOFT,
     DevFmtUByte  = ALC_UNSIGNED_BYTE_SOFT,
     DevFmtShort  = ALC_SHORT_SOFT,
@@ -135,7 +135,7 @@ enum DevFmtType {
 
     DevFmtTypeDefault = DevFmtFloat
 };
-enum DevFmtChannels {
+enum DevFmtChannels : ALenum {
     DevFmtMono   = ALC_MONO_SOFT,
     DevFmtStereo = ALC_STEREO_SOFT,
     DevFmtQuad   = ALC_QUAD_SOFT,
@@ -145,7 +145,7 @@ enum DevFmtChannels {
     DevFmtAmbi3D = ALC_BFORMAT3D_SOFT,
 
     /* Similar to 5.1, except using rear channels instead of sides */
-    DevFmtX51Rear = 0x80000000,
+    DevFmtX51Rear = 0x70000000,
 
     DevFmtChannelsDefault = DevFmtStereo
 };