pick first device if no device arguments were specified

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/rtl/rtl_source_c.h b/lib/rtl/rtl_source_c.h
index a957f9d..b2591f1 100644
--- a/lib/rtl/rtl_source_c.h
+++ b/lib/rtl/rtl_source_c.h
@@ -83,6 +83,8 @@ public:
             gr_vector_const_void_star &input_items,
             gr_vector_void_star &output_items );
 
+  static std::vector< std::string > get_devices();
+
   size_t get_num_channels( void );
 
   osmosdr::meta_range_t get_sample_rates( void );