linux-pulseaudio: Store in source settings 'default_device_id'

This stores the 'default_device_id' after creation of the pulseaudio
output capture source.

Signed-off-by: pkv <[email protected]>

Author: pkviet

plugins/linux-pulseaudio/pulse-input.c

@@ -250,7 +250,13 @@ static void pulse_server_info(pa_context *c, const pa_server_info *i, void *user
 			bfree(monitor);
 		}
 	}
-
+	if (!data->input && data->source) {
+		obs_data_t *s = obs_source_get_settings(data->source);
+		if (s) {
+			obs_data_set_string(s, "default_device_id", i->default_sink_name);
+			obs_data_release(s);
+		}
+	}
 	pulse_signal(0);
 }