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-rw-r--r--OpenAL32/alSource.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index e18a00e2..071ac8d4 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -699,6 +699,15 @@ static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp p
WriteLock(&Source->queue_lock);
ATOMIC_STORE_SEQ(&Source->looping, *values);
+ if(ATOMIC_LOAD(&Source->state, almemory_order_acquire) == AL_PLAYING)
+ {
+ /* If the source is playing, wait for the current mix to finish
+ * to ensure it isn't currently looping back or reaching the
+ * end.
+ */
+ while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
+ althrd_yield();
+ }
WriteUnlock(&Source->queue_lock);
return AL_TRUE;