From 9c0ae597cd371fdd047500abea879cd1d090a36d Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Tue, 20 Oct 2009 12:53:07 -0700
Subject: [PATCH] Make sure the effect slots and source sends are properly
 updated Slots need to be updated due to possible frequency changes, and
 source sends need to be updated in case some active sends were disabled

---
 Alc/ALc.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/Alc/ALc.c b/Alc/ALc.c
index 1274b824..6eeb3bd8 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -1124,6 +1124,7 @@ ALCAPI ALCcontext* ALCAPIENTRY alcCreateContext(ALCdevice *device, const ALCint
     ALuint attrIdx, reqStereoSources;
     ALCcontext *ALContext;
     void *temp;
+    ALuint i;
 
     SuspendContext(NULL);
 
@@ -1199,6 +1200,42 @@ ALCAPI ALCcontext* ALCAPIENTRY alcCreateContext(ALCdevice *device, const ALCint
         return NULL;
     }
 
+    for(i = 0;i < device->NumContexts;i++)
+    {
+        ALeffectslot *slot;
+        ALsource *source;
+        for(slot = device->Contexts[i]->AuxiliaryEffectSlot;slot != NULL;
+            slot = slot->next)
+        {
+            if(!slot->EffectState)
+                continue;
+
+            if(ALEffect_DeviceUpdate(slot->EffectState, device) == AL_FALSE)
+            {
+                alcSetError(ALC_INVALID_DEVICE);
+                aluHandleDisconnect(device);
+                ProcessContext(NULL);
+                ALCdevice_StopPlayback(device);
+                return NULL;
+            }
+            ALEffect_Update(slot->EffectState, device->Contexts[i], &slot->effect);
+        }
+
+        for(source = device->Contexts[i]->Source;source != NULL;source = source->next)
+        {
+            ALuint s = device->NumAuxSends;
+            while(s < MAX_SENDS)
+            {
+                if(source->Send[s].Slot)
+                    source->Send[s].Slot->refcount--;
+                source->Send[s].Slot = NULL;
+                source->Send[s].WetFilter.type = 0;
+                source->Send[s].WetFilter.filter = 0;
+                s++;
+            }
+        }
+    }
+
     if(device->Bs2bLevel > 0 && device->Bs2bLevel <= 6)
     {
         if(!device->Bs2b)
-- 
2.11.4.GIT