1 files changed, 106 insertions, 0 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 83571f50..03e1f6ca 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -37,6 +37,112 @@
 #include "bs2b.h"
 
 
+ALuint aluBytesFromFormat(ALenum format)
+{
+    switch(format)
+    {
+        case AL_FORMAT_MONO8:
+        case AL_FORMAT_STEREO8:
+        case AL_FORMAT_QUAD8_LOKI:
+        case AL_FORMAT_QUAD8:
+        case AL_FORMAT_REAR8:
+        case AL_FORMAT_51CHN8:
+        case AL_FORMAT_61CHN8:
+        case AL_FORMAT_71CHN8:
+            return 1;
+
+        case AL_FORMAT_MONO16:
+        case AL_FORMAT_STEREO16:
+        case AL_FORMAT_QUAD16_LOKI:
+        case AL_FORMAT_QUAD16:
+        case AL_FORMAT_REAR16:
+        case AL_FORMAT_51CHN16:
+        case AL_FORMAT_61CHN16:
+        case AL_FORMAT_71CHN16:
+            return 2;
+
+        case AL_FORMAT_MONO_FLOAT32:
+        case AL_FORMAT_STEREO_FLOAT32:
+        case AL_FORMAT_QUAD32:
+        case AL_FORMAT_REAR32:
+        case AL_FORMAT_51CHN32:
+        case AL_FORMAT_61CHN32:
+        case AL_FORMAT_71CHN32:
+            return 4;
+
+        case AL_FORMAT_MONO_DOUBLE_EXT:
+        case AL_FORMAT_STEREO_DOUBLE_EXT:
+            return 8;
+
+        case AL_FORMAT_MONO_MULAW:
+        case AL_FORMAT_STEREO_MULAW:
+        case AL_FORMAT_QUAD_MULAW:
+        case AL_FORMAT_REAR_MULAW:
+        case AL_FORMAT_51CHN_MULAW:
+        case AL_FORMAT_61CHN_MULAW:
+        case AL_FORMAT_71CHN_MULAW:
+            return 1;
+
+        default:
+            return 0;
+    }
+}
+ALuint aluChannelsFromFormat(ALenum format)
+{
+    switch(format)
+    {
+        case AL_FORMAT_MONO8:
+        case AL_FORMAT_MONO16:
+        case AL_FORMAT_MONO_FLOAT32:
+        case AL_FORMAT_MONO_DOUBLE_EXT:
+        case AL_FORMAT_MONO_MULAW:
+            return 1;
+
+        case AL_FORMAT_STEREO8:
+        case AL_FORMAT_STEREO16:
+        case AL_FORMAT_STEREO_FLOAT32:
+        case AL_FORMAT_STEREO_DOUBLE_EXT:
+        case AL_FORMAT_STEREO_MULAW:
+            return 2;
+
+        case AL_FORMAT_QUAD8_LOKI:
+        case AL_FORMAT_QUAD16_LOKI:
+        case AL_FORMAT_QUAD8:
+        case AL_FORMAT_QUAD16:
+        case AL_FORMAT_QUAD32:
+        case AL_FORMAT_QUAD_MULAW:
+            return 4;
+
+        case AL_FORMAT_REAR8:
+        case AL_FORMAT_REAR16:
+        case AL_FORMAT_REAR32:
+        case AL_FORMAT_REAR_MULAW:
+            return 2;
+
+        case AL_FORMAT_51CHN8:
+        case AL_FORMAT_51CHN16:
+        case AL_FORMAT_51CHN32:
+        case AL_FORMAT_51CHN_MULAW:
+            return 6;
+
+        case AL_FORMAT_61CHN8:
+        case AL_FORMAT_61CHN16:
+        case AL_FORMAT_61CHN32:
+        case AL_FORMAT_61CHN_MULAW:
+            return 7;
+
+        case AL_FORMAT_71CHN8:
+        case AL_FORMAT_71CHN16:
+        case AL_FORMAT_71CHN32:
+        case AL_FORMAT_71CHN_MULAW:
+            return 8;
+
+        default:
+            return 0;
+    }
+}
+
+
 static __inline ALvoid aluCrossproduct(const ALfloat *inVector1, const ALfloat *inVector2, ALfloat *outVector)
 {
     outVector[0] = inVector1[1]*inVector2[2] - inVector1[2]*inVector2[1];