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-rw-r--r--src/emu/disound.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/emu/disound.h b/src/emu/disound.h
index baa74321204..949e4837490 100644
--- a/src/emu/disound.h
+++ b/src/emu/disound.h
@@ -90,6 +90,8 @@ public:
int outputs() const;
sound_stream *input_to_stream_input(int inputnum, int &stream_inputnum) const;
sound_stream *output_to_stream_output(int outputnum, int &stream_outputnum) const;
+ float input_gain(int inputnum) const;
+ float output_gain(int outputnum) const;
void set_input_gain(int inputnum, float gain);
void set_output_gain(int outputnum, float gain);
int inputnum_from_device(device_t &device, int outputnum = 0) const;