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-rw-r--r--OpenAL32/Include/alu.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h
index 73f70224..fe2f42ba 100644
--- a/OpenAL32/Include/alu.h
+++ b/OpenAL32/Include/alu.h
@@ -5,6 +5,7 @@
#include "AL/alc.h"
#include "AL/alext.h"
+#include <limits.h>
#include <math.h>
#ifdef HAVE_FLOAT_H
#include <float.h>
@@ -76,6 +77,10 @@ typedef enum {
#define BUFFERSIZE 8192
+#define FRACTIONBITS (14)
+#define FRACTIONMASK ((1<<FRACTIONBITS)-1)
+#define MAX_PITCH (INT_MAX & ~FRACTIONMASK)
+
/* NOTE: The AL_FORMAT_REAR* enums aren't handled here because they're
* converted to AL_FORMAT_QUAD* when loaded */
static __inline ALuint aluBytesFromFormat(ALenum format)