X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Faudio_mixer.h;fp=nageru%2Faudio_mixer.h;h=fac2fc92445420901ef084043356670d6a250bf7;hb=5156378d4ad09d54791083e4067cf002e5431cb5;hp=2b9aa4b9f77d412dc9a6d93950f4596cfff7ad00;hpb=9768e380472e6ad68c8fc06efde3fa20f18bfc00;p=nageru

diff --git a/nageru/audio_mixer.h b/nageru/audio_mixer.h
index 2b9aa4b..fac2fc9 100644
--- a/nageru/audio_mixer.h
+++ b/nageru/audio_mixer.h
@@ -136,6 +136,9 @@ public:
 	MappingMode get_mapping_mode() const;
 	InputMapping get_input_mapping() const;
 
+	// See extra_devices.
+	void set_extra_devices(const std::set<DeviceSpec> &devices);
+
 	unsigned num_buses() const;
 
 	void set_locut_cutoff(float cutoff_hz)
@@ -451,6 +454,13 @@ private:
 	std::unique_ptr<BusMetrics[]> bus_metrics;  // One for each bus in <input_mapping>.
 
 	DelayAnalyzerInterface *delay_analyzer = nullptr;
+
+	// A set of devices (potentially empty) that should be kept open even
+	// if they're not used in any bus. This allows the delay analyzer to
+	// make sure a given ALSA device is opened to tap into its data, even if
+	// there is no bus using it. (Non-ALSA devices are allowed to be here,
+	// but won't do anything.)
+	std::set<DeviceSpec> extra_devices;
 };
 
 extern AudioMixer *global_audio_mixer;