fix compiler warning

diff --git a/libs/ardour/session_ltc.cc b/libs/ardour/session_ltc.cc
index d873bc07f96effd01e5ff5852523d1685c3f1061..d6cc201a5c40e53126169be375d7e70fb3150359 100644 (file)
--- a/libs/ardour/session_ltc.cc
+++ b/libs/ardour/session_ltc.cc
@@ -496,7 +496,7 @@ Session::ltc_tx_send_time_code_for_cycle (framepos_t start_frame, framepos_t end
 
                DEBUG_TRACE (DEBUG::LTC, string_compose("LTC TX4: now: %1 trs: %2 toff %3\n", cycle_start_frame, tc_sample_start, soff));
 
-               uint32_t cyc_off;
+               int32_t cyc_off;
                if (soff < 0 || soff >= fptcf) {
                        /* session framerate change between (2) and now */
                        ltc_tx_reset();
@@ -532,7 +532,7 @@ Session::ltc_tx_send_time_code_for_cycle (framepos_t start_frame, framepos_t end
                        restarting = true;
                }
 
-               if (cyc_off >= 0 && cyc_off <= nframes) {
+               if (cyc_off >= 0 && cyc_off <= (int32_t) nframes) {
                        /* offset in this cycle */
                        txf= rint(cyc_off / fabs(ltc_speed));
                        memset(out, 0, cyc_off * sizeof(Sample));