2 files changed, 12 insertions, 5 deletions
diff --git a/OpenAL32/Include/alSource.h b/OpenAL32/Include/alSource.h
index 8d74fc54..173db94e 100644
--- a/OpenAL32/Include/alSource.h
+++ b/OpenAL32/Include/alSource.h
@@ -11,6 +11,9 @@
 extern "C" {
 #endif
 
+struct ALbuffer;
+struct ALsource;
+
 extern enum Resampler DefaultResampler;
 
 extern const ALsizei ResamplerPadding[ResamplerMax];
@@ -25,10 +28,10 @@ typedef struct ALbufferlistitem {
 
 
 typedef struct ALactivesource {
-    struct ALsource *Source;
+    struct ALsource *volatile Source;
 
     /** Method to update mixing parameters. */
-    ALvoid (*Update)(struct ALactivesource *self, const ALCcontext *context);
+    ALvoid (*Update)(struct ALactivesource *self, const struct ALsource *source, const ALCcontext *context);
 
     /** Current target parameters used for mixing. */
     ALint Step;
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h
index 7727c666..ac09f89f 100644
--- a/OpenAL32/Include/alu.h
+++ b/OpenAL32/Include/alu.h
@@ -41,6 +41,10 @@
 extern "C" {
 #endif
 
+struct ALsource;
+struct ALactivesource;
+
+
 enum ActiveFilters {
     AF_None = 0,
     AF_LowPass = 1,
@@ -216,10 +220,10 @@ inline void SetGains(const ALCdevice *device, ALfloat ingain, ALfloat gains[MaxC
 }
 
 
-ALvoid CalcSourceParams(struct ALactivesource *src, const ALCcontext *ALContext);
-ALvoid CalcNonAttnSourceParams(struct ALactivesource *src, const ALCcontext *ALContext);
+ALvoid CalcSourceParams(struct ALactivesource *src, const struct ALsource *source, const ALCcontext *ALContext);
+ALvoid CalcNonAttnSourceParams(struct ALactivesource *src, const struct ALsource *source, const ALCcontext *ALContext);
 
-ALvoid MixSource(struct ALactivesource *src, ALCdevice *Device, ALuint SamplesToDo);
+ALvoid MixSource(struct ALactivesource *src, struct ALsource *source, ALCdevice *Device, ALuint SamplesToDo);
 
 ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size);
 /* Caller must lock the device. */