1 files changed, 52 insertions, 0 deletions
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c
index c3c866d9..7c4cd2e9 100644
--- a/OpenAL32/alBuffer.c
+++ b/OpenAL32/alBuffer.c
@@ -1263,6 +1263,34 @@ static void ConvertData(ALvoid *dst, enum FmtType dstType, const ALvoid *src, en
 }
 
 
+ALuint BytesFromSrcFmt(enum SrcFmtType type)
+{
+    switch(type)
+    {
+    case SrcFmtByte: return sizeof(ALbyte);
+    case SrcFmtUByte: return sizeof(ALubyte);
+    case SrcFmtShort: return sizeof(ALshort);
+    case SrcFmtUShort: return sizeof(ALushort);
+    case SrcFmtFloat: return sizeof(ALfloat);
+    case SrcFmtDouble: return sizeof(ALdouble);
+    case SrcFmtMulaw: return sizeof(ALubyte);
+    }
+    return 0;
+}
+ALuint ChannelsFromSrcFmt(enum SrcFmtChannels chans)
+{
+    switch(chans)
+    {
+    case SrcFmtMono: return 1;
+    case SrcFmtStereo: return 2;
+    case SrcFmtRear: return 2;
+    case SrcFmtQuad: return 4;
+    case SrcFmtX51: return 6;
+    case SrcFmtX61: return 7;
+    case SrcFmtX71: return 8;
+    }
+    return 0;
+}
 void DecomposeInputFormat(ALenum format, enum SrcFmtType *type,
                           enum SrcFmtChannels *order)
 {
@@ -1397,6 +1425,30 @@ void DecomposeInputFormat(ALenum format, enum SrcFmtType *type,
     }
 }
 
+ALuint BytesFromFmt(enum FmtType type)
+{
+    switch(type)
+    {
+    case FmtUByte: return sizeof(ALubyte);
+    case FmtShort: return sizeof(ALshort);
+    case FmtFloat: return sizeof(ALfloat);
+    }
+    return 0;
+}
+ALuint ChannelsFromFmt(enum FmtChannels chans)
+{
+    switch(chans)
+    {
+    case FmtMono: return 1;
+    case FmtStereo: return 2;
+    case FmtRear: return 2;
+    case FmtQuad: return 4;
+    case FmtX51: return 6;
+    case FmtX61: return 7;
+    case FmtX71: return 8;
+    }
+    return 0;
+}
 void DecomposeFormat(ALenum format, enum FmtType *type, enum FmtChannels *order)
 {
     switch(format)