Optimize Plugin connect & run API, use const maps

[ardour.git] / libs / ardour / lv2_plugin.cc

diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 6f8dad939689e4728dcb470eb7e37089492d34e3..3ae314057761be3b7703998b89bac0a82a26cb19 100644 (file)
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -2568,7 +2568,7 @@ write_position(LV2_Atom_Forge*     forge,
 int
 LV2Plugin::connect_and_run(BufferSet& bufs,
                samplepos_t start, samplepos_t end, double speed,
-               ChanMapping in_map, ChanMapping out_map,
+               ChanMapping const& in_map, ChanMapping const& out_map,
                pframes_t nframes, samplecnt_t offset)
 {
        DEBUG_TRACE(DEBUG::LV2, string_compose("%1 run %2 offset %3\n", name(), nframes, offset));