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-rw-r--r--src/wx/audio_backend.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/wx/audio_backend.h b/src/wx/audio_backend.h
index f2a44a5fb..aa4adf13c 100644
--- a/src/wx/audio_backend.h
+++ b/src/wx/audio_backend.h
@@ -41,6 +41,8 @@ public:
std::vector<std::string> output_device_names();
boost::optional<std::string> default_device_name();
+ boost::optional<int> device_output_channels(std::string name);
+
void abort_stream_if_running();
boost::optional<std::string> start_stream();