enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h

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

diff --git a/libs/ardour/ltc_slave.cc b/libs/ardour/ltc_slave.cc
index 8d570aeeb8476047738a8c46b9968061eaac3d0a..6167c6bda226b55bef0803e276d50ada6e7d0806 100644 (file)
--- a/libs/ardour/ltc_slave.cc
+++ b/libs/ardour/ltc_slave.cc
@@ -26,12 +26,13 @@
 #include "pbd/pthread_utils.h"
 
 #include "ardour/debug.h"
+#include "ardour/profile.h"
 #include "ardour/slave.h"
 #include "ardour/session.h"
 #include "ardour/audioengine.h"
 #include "ardour/audio_port.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -52,6 +53,7 @@ LTC_Slave::LTC_Slave (Session& s)
        delayedlocked = 10;
        monotonic_cnt = 0;
        fps_detected=false;
+       sync_lock_broken = false;
 
        ltc_timecode = session.config.get_timecode_format();
        a3e_timecode = session.config.get_timecode_format();
@@ -124,6 +126,7 @@ LTC_Slave::resync_xrun()
 {
        DEBUG_TRACE (DEBUG::LTC, "LTC resync_xrun()\n");
        engine_dll_initstate = 0;
+       sync_lock_broken = false;
 }
 
 void
@@ -131,6 +134,7 @@ LTC_Slave::resync_latency()
 {
        DEBUG_TRACE (DEBUG::LTC, "LTC resync_latency()\n");
        engine_dll_initstate = 0;
+       sync_lock_broken = false;
 
        if (!session.deletion_in_progress() && session.ltc_output_io()) { /* check if Port exits */
                boost::shared_ptr<Port> ltcport = session.ltc_input_port();
@@ -147,6 +151,9 @@ LTC_Slave::reset()
        transport_direction = 0;
        ltc_speed = 0;
        engine_dll_initstate = 0;
+       sync_lock_broken = false;
+
+       ActiveChanged (false); /* EMIT SIGNAL */
 }
 
 void
@@ -381,6 +388,8 @@ LTC_Slave::process_ltc(framepos_t const /*now*/)
                        timecode_negative_offset, timecode_offset
                        );
 
+               ltc_frame += ltc_slave_latency.max + session.worst_playback_latency();
+
                framepos_t cur_timestamp = frame.off_end + 1;
                DEBUG_TRACE (DEBUG::LTC, string_compose ("LTC F: %1 LF: %2  N: %3 L: %4\n", ltc_frame, last_ltc_frame, cur_timestamp, last_timestamp));
                if (frame.off_end + 1 <= last_timestamp || last_timestamp == 0) {
@@ -436,9 +445,11 @@ LTC_Slave::speed_and_position (double& speed, framepos_t& pos)
 
        if (last_timestamp == 0) {
                engine_dll_initstate = 0;
-               delayedlocked++;
-       }
-       else if (engine_dll_initstate != transport_direction && ltc_speed != 0) {
+               if (delayedlocked < 10) ++delayedlocked;
+       } else if (engine_dll_initstate != transport_direction && ltc_speed != 0) {
+
+               ActiveChanged (true); /* EMIT SIGNAL */
+
                engine_dll_initstate = transport_direction;
                init_engine_dll(last_ltc_frame + rint(ltc_speed * double(2 * nframes + now - last_timestamp)),
                                session.engine().samples_per_cycle());
@@ -463,7 +474,7 @@ LTC_Slave::speed_and_position (double& speed, framepos_t& pos)
                        reset();
                }
 
-               parse_ltc(nframes, in, now - ltc_slave_latency.max );
+               parse_ltc(nframes, in, now);
                process_ltc(now);
        }
 
@@ -473,7 +484,8 @@ LTC_Slave::speed_and_position (double& speed, framepos_t& pos)
                pos = session.transport_frame();
                return true;
        } else if (ltc_speed != 0) {
-               delayedlocked = 0;
+               if (delayedlocked > 1) delayedlocked--;
+               else if (current_delta == 0) delayedlocked = 0;
        }
 
        if (abs(now - last_timestamp) > FLYWHEEL_TIMEOUT) {
@@ -481,6 +493,7 @@ LTC_Slave::speed_and_position (double& speed, framepos_t& pos)
                reset();
                speed = 0;
                pos = session.transport_frame();
+               ActiveChanged (false); /* EMIT SIGNAL */
                return true;
        }
 
@@ -549,6 +562,11 @@ LTC_Slave::speed_and_position (double& speed, framepos_t& pos)
                speed = 1.0;
        }
 
+       if (speed != 0 && delayedlocked == 0 && fabs(speed) != 1.0) {
+               sync_lock_broken = true;
+               DEBUG_TRACE (DEBUG::LTC, string_compose ("LTC speed not locked %1 %2\n", speed, ltc_speed));
+       }
+
        return true;
 }
 
@@ -590,8 +608,9 @@ LTC_Slave::approximate_current_delta() const
        } else if ((monotonic_cnt - last_timestamp) > 2 * frames_per_ltc_frame) {
                snprintf(delta, sizeof(delta), "%s", _("flywheel"));
        } else {
-               snprintf(delta, sizeof(delta), "\u0394<span foreground=\"green\" face=\"monospace\" >%s%s%lld</span>sm",
-                               LEADINGZERO(llabs(current_delta)), PLUSMINUS(-current_delta), llabs(current_delta));
+               snprintf(delta, sizeof(delta), "\u0394<span foreground=\"%s\" face=\"monospace\" >%s%s%lld</span>sm",
+                               sync_lock_broken ? "red" : "green",
+                               LEADINGZERO(::llabs(current_delta)), PLUSMINUS(-current_delta), ::llabs(current_delta));
        }
        return std::string(delta);
 }