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-rw-r--r--opl/opl_internal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/opl/opl_internal.h b/opl/opl_internal.h
index 91a275d5..24e79644 100644
--- a/opl/opl_internal.h
+++ b/opl/opl_internal.h
@@ -32,6 +32,7 @@ typedef void (*opl_clear_callbacks_func)(void);
typedef void (*opl_lock_func)(void);
typedef void (*opl_unlock_func)(void);
typedef void (*opl_set_paused_func)(int paused);
+typedef void (*opl_adjust_callbacks_func)(float value);
typedef struct
{
@@ -46,6 +47,7 @@ typedef struct
opl_lock_func lock_func;
opl_unlock_func unlock_func;
opl_set_paused_func set_paused_func;
+ opl_adjust_callbacks_func adjust_callbacks_func;
} opl_driver_t;
// Sample rate to use when doing software emulation.