uhd: add utility function to convert raw gr_message to async_metadata_t

2 files changed, 12 insertions, 0 deletions

diff --git a/gr-uhd/include/gr_uhd_amsg_source.h b/gr-uhd/include/gr_uhd_amsg_source.h
index accf15ce2..3c1b59fa7 100644
--- a/gr-uhd/include/gr_uhd_amsg_source.h
+++ b/gr-uhd/include/gr_uhd_amsg_source.h
@@ -38,6 +38,13 @@ GR_UHD_API boost::shared_ptr<uhd_amsg_source> uhd_make_amsg_source(
 );
 
 class GR_UHD_API uhd_amsg_source{
+public:
+    /*!
+     * Convert a raw asynchronous message to an asynchronous metatdata object.
+     * \return The asynchronous metadata object.
+     */
+    static uhd::async_metadata_t msg_to_async_metadata_t(const gr_message_sptr msg);
+
 };
 
 #endif /* INCLUDED_GR_UHD_AMSG_SOURCE_H */
diff --git a/gr-uhd/lib/gr_uhd_amsg_source.cc b/gr-uhd/lib/gr_uhd_amsg_source.cc
index f2958f115..08941584b 100644
--- a/gr-uhd/lib/gr_uhd_amsg_source.cc
+++ b/gr-uhd/lib/gr_uhd_amsg_source.cc
@@ -75,6 +75,11 @@ protected:
     bool _running;
 };
 
+uhd::async_metadata_t uhd_amsg_source::msg_to_async_metadata_t(const gr_message_sptr msg)
+{
+    return *(uhd::async_metadata_t *)msg->msg();
+}
+
 /***********************************************************************
  * Make UHD Asynchronous Message Source
  **********************************************************************/