Fix MIDI port offsets.

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

diff --git a/libs/ardour/session_ltc.cc b/libs/ardour/session_ltc.cc
index 6b3d8b21744798ef6c25c12ea62f420433682ce2..5c4a65ad03b8991667501ff0a499b76d8eba8a34 100644 (file)
--- a/libs/ardour/session_ltc.cc
+++ b/libs/ardour/session_ltc.cc
@@ -263,16 +263,15 @@ Session::ltc_tx_send_time_code_for_cycle (samplepos_t start_sample, samplepos_t
         * buffer.
         *
         * The timecode is generated directly in the Session process callback
-        * using _transport_sample. It requires that the session has set the
-        * port's playback latency to worst_playback_latency() prior to
-        * calling ltc_tx_send_time_code_for_cycle().
+        * using _transport_sample (which is the audible frame at the
+        * output).
         */
        samplepos_t cycle_start_sample;
 
        if (current_speed < 0) {
-               cycle_start_sample = (start_sample - ltc_out_latency.max + worst_playback_latency());
+               cycle_start_sample = (start_sample + ltc_out_latency.max);
        } else if (current_speed > 0) {
-               cycle_start_sample = (start_sample + ltc_out_latency.max - worst_playback_latency());
+               cycle_start_sample = (start_sample - ltc_out_latency.max);
        } else {
                /* There is no need to compensate for latency when not rolling
                 * rather send the accurate NOW timecode