#include "ardour/debug.h"
#include "ardour/disk_reader.h"
#include "ardour/location.h"
+#include "ardour/playlist.h"
#include "ardour/profile.h"
#include "ardour/scene_changer.h"
#include "ardour/session.h"
-#include "ardour/slave.h"
+#include "ardour/transport_master.h"
+#include "ardour/transport_master_manager.h"
#include "ardour/tempo.h"
#include "ardour/operations.h"
#include "ardour/vca.h"
error << "Could not set post transport work! Crazy thread madness, call the programmers" << endmsg;
}
-void
-Session::request_sync_source (Slave* new_slave)
+bool
+Session::should_ignore_transport_request (TransportRequestSource src, TransportRequestType type) const
{
- SessionEvent* ev = new SessionEvent (SessionEvent::SetSyncSource, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
- bool seamless;
-
- seamless = Config->get_seamless_loop ();
-
- if (dynamic_cast<Engine_Slave*>(new_slave)) {
- /* JACK cannot support seamless looping at present */
- Config->set_seamless_loop (false);
- } else {
- /* reset to whatever the value was before we last switched slaves */
- Config->set_seamless_loop (_was_seamless);
+ if (config.get_external_sync()) {
+ if (TransportMasterManager::instance().current()->allow_request (src, type)) {
+ return false;
+ } else {
+ return true;
+ }
}
+ return false;
+}
- /* save value of seamless from before the switch */
- _was_seamless = seamless;
+bool
+Session::synced_to_engine() const {
+ return config.get_external_sync() && TransportMasterManager::instance().current()->type() == Engine;
+}
- ev->slave = new_slave;
- DEBUG_TRACE (DEBUG::Slave, "sent request for new slave\n");
+void
+Session::request_sync_source (boost::shared_ptr<TransportMaster> tm)
+{
+ SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportMaster, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
+ ev->transport_master = tm;
+ DEBUG_TRACE (DEBUG::Slave, "sent request for new transport master\n");
queue_event (ev);
}
void
-Session::request_transport_speed (double speed, bool as_default)
+Session::request_transport_speed (double speed, bool as_default, TransportRequestSource origin)
{
+ if (should_ignore_transport_request (origin, TR_Speed)) {
+ return;
+ }
SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Add, SessionEvent::Immediate, 0, speed);
ev->third_yes_or_no = as_default; // as_default
DEBUG_TRACE (DEBUG::Transport, string_compose ("Request transport speed = %1 as default = %2\n", speed, as_default));
* be used by callers who are varying transport speed but don't ever want to stop it.
*/
void
-Session::request_transport_speed_nonzero (double speed, bool as_default)
+Session::request_transport_speed_nonzero (double speed, bool as_default, TransportRequestSource origin)
{
+ if (should_ignore_transport_request (origin, TransportRequestType (TR_Speed|TR_Start))) {
+ return;
+ }
+
if (speed == 0) {
speed = DBL_EPSILON;
}
}
void
-Session::request_stop (bool abort, bool clear_state)
+Session::request_stop (bool abort, bool clear_state, TransportRequestSource origin)
{
+ if (should_ignore_transport_request (origin, TR_Stop)) {
+ return;
+ }
+
SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Add, SessionEvent::Immediate, audible_sample(), 0.0, abort, clear_state);
DEBUG_TRACE (DEBUG::Transport, string_compose ("Request transport stop, audible %3 transport %4 abort = %1, clear state = %2\n", abort, clear_state, audible_sample(), _transport_sample));
queue_event (ev);
}
void
-Session::request_locate (samplepos_t target_sample, bool with_roll)
+Session::request_locate (samplepos_t target_sample, bool with_roll, TransportRequestSource origin)
{
+ if (should_ignore_transport_request (origin, TR_Locate)) {
+ return;
+ }
+
SessionEvent *ev = new SessionEvent (with_roll ? SessionEvent::LocateRoll : SessionEvent::Locate, SessionEvent::Add, SessionEvent::Immediate, target_sample, 0, false);
DEBUG_TRACE (DEBUG::Transport, string_compose ("Request locate to %1\n", target_sample));
queue_event (ev);
queue_event (ev);
}
-void
-Session::unset_preroll_record_punch ()
-{
- if (_preroll_record_punch_pos >= 0) {
- remove_event (_preroll_record_punch_pos, SessionEvent::RecordStart);
- }
- _preroll_record_punch_pos = -1;
-}
-
void
Session::unset_preroll_record_trim ()
{
_preroll_record_trim_len = 0;
}
-void
-Session::request_preroll_record_punch (samplepos_t rec_in, samplecnt_t preroll)
-{
- if (actively_recording ()) {
- return;
- }
- unset_preroll_record_punch ();
- unset_preroll_record_trim ();
- samplepos_t start = std::max ((samplepos_t)0, rec_in - preroll);
-
- _preroll_record_punch_pos = rec_in;
- if (_preroll_record_punch_pos >= 0) {
- replace_event (SessionEvent::RecordStart, _preroll_record_punch_pos);
- config.set_punch_in (false);
- config.set_punch_out (false);
- }
- maybe_enable_record ();
- request_locate (start, true);
- set_requested_return_sample (rec_in);
-}
-
void
Session::request_preroll_record_trim (samplepos_t rec_in, samplecnt_t preroll)
{
if (actively_recording ()) {
return;
}
- unset_preroll_record_punch ();
unset_preroll_record_trim ();
config.set_punch_in (false);
void
Session::request_play_loop (bool yn, bool change_transport_roll)
{
- if (_slave && yn) {
+ if (transport_master_is_external() && yn) {
// don't attempt to loop when not using Internal Transport
// see also gtk2_ardour/ardour_ui_options.cc parameter_changed()
return;
}
+bool
+Session::solo_selection_active ()
+{
+ if ( _soloSelection.empty() ) {
+ return false;
+ }
+ return true;
+}
+
+void
+Session::solo_selection ( StripableList &list, bool new_state )
+{
+ boost::shared_ptr<ControlList> solo_list (new ControlList);
+ boost::shared_ptr<ControlList> unsolo_list (new ControlList);
+
+ if (new_state)
+ _soloSelection = list;
+ else
+ _soloSelection.clear();
+
+ boost::shared_ptr<RouteList> rl = get_routes();
+
+ for (ARDOUR::RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+
+ if ( !(*i)->is_track() ) {
+ continue;
+ }
+
+ boost::shared_ptr<Stripable> s (*i);
+
+ bool found = (std::find(list.begin(), list.end(), s) != list.end());
+ if ( new_state && found ) {
+
+ solo_list->push_back (s->solo_control());
+
+ //must invalidate playlists on selected tracks, so only selected regions get heard
+ boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (*i);
+ if (track) {
+ boost::shared_ptr<Playlist> playlist = track->playlist();
+ if (playlist) {
+ playlist->ContentsChanged();
+ }
+ }
+ } else {
+ unsolo_list->push_back (s->solo_control());
+ }
+ }
+
+ set_controls (solo_list, 1.0, Controllable::NoGroup);
+ set_controls (unsolo_list, 0.0, Controllable::NoGroup);
+}
+
void
Session::realtime_stop (bool abort, bool clear_state)
{
_clear_event_type (SessionEvent::RangeStop);
_clear_event_type (SessionEvent::RangeLocate);
+ //clear our solo-selection, if there is one
+ if ( solo_selection_active() ) {
+ solo_selection ( _soloSelection, false );
+ }
+
/* if we're going to clear loop state, then force disabling record BUT only if we're not doing latched rec-enable */
disable_record (true, (!Config->get_latched_record_enable() && clear_state));
_transport_speed = 0;
_target_transport_speed = 0;
+ _engine_speed = 1.0;
g_atomic_int_set (&_playback_load, 100);
g_atomic_int_set (&_capture_load, 100);
}
if (ptw & PostTransportAdjustCaptureBuffering) {
+ /* need to prevent concurrency with ARDOUR::DiskWriter::run(),
+ * DiskWriter::adjust_buffering() re-allocates the ringbuffer */
+ Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
if (tr) {
}
}
- if (ptw & PostTransportSpeed) {
- non_realtime_set_speed ();
- }
-
if (ptw & PostTransportReverse) {
clear_clicks();
DEBUG_TRACE (DEBUG::Transport, string_compose (X_("Butler transport work all done after %1 usecs @ %2 trw = %3\n"), g_get_monotonic_time() - before, _transport_sample, _butler->transport_work_requested()));
}
-void
-Session::non_realtime_set_speed ()
-{
- boost::shared_ptr<RouteList> rl = routes.reader();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr) {
- tr->non_realtime_speed_change ();
- }
- }
-}
-
void
Session::non_realtime_overwrite (int on_entry, bool& finished)
{
boost::shared_ptr<RouteList> r = routes.reader ();
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if (!(*i)->is_auditioner()) {
- (*i)->set_pending_declick (0);
- }
- }
-
if (did_record) {
commit_reversible_command ();
/* increase take name */
PostTransportWork ptw = post_transport_work ();
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- (*i)->non_realtime_transport_stop (_transport_sample, !(ptw & PostTransportLocate) || pending_locate_flush);
+ (*i)->non_realtime_transport_stop (_transport_sample, !(ptw & PostTransportLocate));
}
VCAList v = _vca_manager->vcas ();
for (VCAList::const_iterator i = v.begin(); i != v.end(); ++i) {
- (*i)->non_realtime_transport_stop (_transport_sample, !(ptw & PostTransportLocate) || pending_locate_flush);
+ (*i)->non_realtime_transport_stop (_transport_sample, !(ptw & PostTransportLocate));
}
update_latency_compensation ();
(_requested_return_sample >= 0) ||
synced_to_engine()) {
- if (pending_locate_flush) {
- flush_all_inserts ();
- }
-
// rg: what is the logic behind this case?
// _requested_return_sample should be ignored when synced_to_engine/slaved.
// currently worked around in MTC_Slave by forcing _requested_return_sample to -1
because there will be no process callbacks to deliver stuff from
*/
- if (_engine.connected() && !_engine.freewheeling()) {
+ if (_engine.running() && !_engine.freewheeling()) {
// need to queue this in the next RT cycle
_send_timecode_update = true;
- if (!dynamic_cast<MTC_Slave*>(_slave)) {
+ if (transport_master()->type() == MTC) {
send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdStop));
/* This (::non_realtime_stop()) gets called by main
*
* save state only if there's no slave or if it's not yet locked.
*/
- if (!_slave || !_slave->locked()) {
+ if (!transport_master_is_external() || !transport_master()->locked()) {
DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: requests save\n"));
SaveSessionRequested (_current_snapshot_name);
saved = true;
/* and start it up again if relevant */
- if ((ptw & PostTransportLocate) && !config.get_external_sync() && pending_locate_roll) {
+ if ((ptw & PostTransportLocate) && !config.get_external_sync()) {
request_transport_speed (1.0);
}
-
- /* Even if we didn't do a pending locate roll this time, we don't want it hanging
- around for next time.
- */
- pending_locate_roll = false;
-}
-
-void
-Session::check_declick_out ()
-{
- bool locate_required = transport_sub_state & PendingLocate;
-
- /* this is called after a process() iteration. if PendingDeclickOut was set,
- it means that we were waiting to declick the output (which has just been
- done) before maybe doing something else. this is where we do that "something else".
-
- note: called from the audio thread.
- */
-
- if (transport_sub_state & PendingDeclickOut) {
-
- if (locate_required) {
- start_locate (pending_locate_sample, pending_locate_roll, pending_locate_flush);
- transport_sub_state &= ~(PendingDeclickOut|PendingLocate);
- } else {
- if (!(transport_sub_state & StopPendingCapture)) {
- stop_transport (pending_abort);
- transport_sub_state &= ~(PendingDeclickOut|PendingLocate);
- }
- }
-
- } else if (transport_sub_state & PendingLoopDeclickOut) {
- /* Nothing else to do here; we've declicked, and the loop event will be along shortly */
- transport_sub_state &= ~PendingLoopDeclickOut;
- }
}
void
if (play_loop) {
play_loop = false;
clear_events (SessionEvent::AutoLoop);
- clear_events (SessionEvent::AutoLoopDeclick);
set_track_loop (false);
add_post_transport_work (PostTransportLocate);
_butler->schedule_transport_work ();
}
+ TransportStateChange (); /* EMIT SIGNAL */
}
}
boost::shared_ptr<RouteList> rl = routes.reader ();
for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && !tr->is_private_route()) {
- tr->set_loop (yn ? loc : 0);
+ if (*i && !(*i)->is_private_route()) {
+ (*i)->set_loop (yn ? loc : 0);
}
}
}
samplepos_t dcp;
samplecnt_t dcl;
auto_loop_declick_range (loc, dcp, dcl);
- merge_event (new SessionEvent (SessionEvent::AutoLoopDeclick, SessionEvent::Replace, dcp, dcl, 0.0f));
merge_event (new SessionEvent (SessionEvent::AutoLoop, SessionEvent::Replace, loc->end(), loc->start(), 0.0f));
/* if requested to roll, locate to start of loop and
double sp;
samplepos_t pos;
+ samplepos_t ignore1, ignore2;
- _slave->speed_and_position (sp, pos);
+ transport_master()->speed_and_position (sp, pos, ignore1, ignore2, 0);
if (target_sample != pos) {
}
}
+samplecnt_t
+Session::worst_latency_preroll () const
+{
+ return _worst_output_latency + _worst_input_latency;
+}
+
int
Session::micro_locate (samplecnt_t distance)
{
}
}
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("micro-locate by %1\n", distance));
+
for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
if (tr) {
return;
}
- if (_transport_speed && !(for_loop_enabled && Config->get_seamless_loop())) {
- /* Schedule a declick. We'll be called again when its done.
- We only do it this way for ordinary locates, not those
- due to **seamless** loops.
- */
-
- if (!(transport_sub_state & PendingDeclickOut)) {
- transport_sub_state |= (PendingDeclickOut|PendingLocate);
- pending_locate_sample = target_sample;
- pending_locate_roll = with_roll;
- pending_locate_flush = with_flush;
- cerr << "Declick scheduled ... back soon\n";
- return;
- }
- }
-
cerr << "... now doing the actual locate\n";
// Update Timecode time
// thread(s?) can restart.
g_atomic_int_inc (&_seek_counter);
_last_roll_or_reversal_location = target_sample;
- timecode_time(_transport_sample, transmitting_timecode_time);
+ _remaining_latency_preroll = worst_latency_preroll ();
+ timecode_time(_transport_sample, transmitting_timecode_time); // XXX here?
/* do "stopped" stuff if:
*
* we are rolling AND
- * no autoplay in effect AND
- * we're not going to keep rolling after the locate AND
- * !(playing a loop with JACK sync)
- *
+ * no autoplay in effect AND
+ * we're not going to keep rolling after the locate AND
+ * !(playing a loop with JACK sync)
+ *
*/
bool transport_was_stopped = !transport_rolling();
DEBUG_TRACE (DEBUG::Transport, string_compose ("@ %5 Set transport speed to %1, abort = %2 clear_state = %3, current = %4 as_default %6\n",
speed, abort, clear_state, _transport_speed, _transport_sample, as_default));
- if (_transport_speed == speed) {
+ /* max speed is somewhat arbitrary but based on guestimates regarding disk i/o capability
+ and user needs. We really need CD-style "skip" playback for ffwd and rewind.
+ */
+
+ if (speed > 0) {
+ speed = min (8.0, speed);
+ } else if (speed < 0) {
+ speed = max (-8.0, speed);
+ }
+
+ double new_engine_speed = 1.0;
+ if (speed != 0) {
+ new_engine_speed = fabs (speed);
+ if (speed < 0) speed = -1;
+ if (speed > 0) speed = 1;
+ }
+
+ if (_transport_speed == speed && new_engine_speed == _engine_speed) {
if (as_default && speed == 0.0) { // => reset default transport speed. hacky or what?
_default_transport_speed = 1.0;
}
return;
}
+#if 0 // TODO pref: allow vari-speed recording
if (actively_recording() && speed != 1.0 && speed != 0.0) {
/* no varispeed during recording */
DEBUG_TRACE (DEBUG::Transport, string_compose ("No varispeed during recording cur_speed %1, sample %2\n",
_transport_speed, _transport_sample));
return;
}
+#endif
_target_transport_speed = fabs(speed);
-
- /* 8.0 max speed is somewhat arbitrary but based on guestimates regarding disk i/o capability
- and user needs. We really need CD-style "skip" playback for ffwd and rewind.
- */
-
- if (speed > 0) {
- speed = min (8.0, speed);
- } else if (speed < 0) {
- speed = max (-8.0, speed);
- }
+ _engine_speed = new_engine_speed;
if (transport_rolling() && speed == 0.0) {
/* not zero, not 1.0 ... varispeed */
+ // TODO handled transport start.. _remaining_latency_preroll
+ // and reversal of playback direction.
+
if ((synced_to_engine()) && speed != 0.0 && speed != 1.0) {
warning << string_compose (
_("Global varispeed cannot be supported while %1 is connected to JACK transport control"),
return;
}
+#if 0
if (actively_recording()) {
return;
}
+#endif
if (speed > 0.0 && _transport_sample == current_end_sample()) {
return;
_default_transport_speed = speed;
}
- boost::shared_ptr<RouteList> rl = routes.reader();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && tr->realtime_speed_change()) {
- todo = PostTransportWork (todo | PostTransportSpeed);
- }
- }
-
if (todo) {
add_post_transport_work (todo);
_butler->schedule_transport_work ();
* The 0.2% dead-zone is somewhat arbitrary. Main use-case
* for TransportStateChange() here is the ShuttleControl display.
*/
- if (fabs (_signalled_varispeed - speed) > .002
+ if (fabs (_signalled_varispeed - actual_speed ()) > .002
// still, signal hard changes to 1.0 and 0.0:
- || ( speed == 1.0 && _signalled_varispeed != 1.0)
- || ( speed == 0.0 && _signalled_varispeed != 0.0)
+ || (actual_speed () == 1.0 && _signalled_varispeed != 1.0)
+ || (actual_speed () == 0.0 && _signalled_varispeed != 0.0)
)
{
TransportStateChange (); /* EMIT SIGNAL */
- _signalled_varispeed = speed;
+ _signalled_varispeed = actual_speed ();
}
}
}
return;
}
- DEBUG_TRACE (DEBUG::Transport, string_compose ("stop_transport, declick required? %1\n", get_transport_declick_required()));
-
- if (!get_transport_declick_required()) {
-
- /* stop has not yet been scheduled */
-
- boost::shared_ptr<RouteList> rl = routes.reader();
- samplepos_t stop_target = audible_sample();
-
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr) {
- tr->prepare_to_stop (_transport_sample, stop_target);
- }
- }
-
- SubState new_bits;
-
- if (actively_recording() && /* we are recording */
- worst_input_latency() > current_block_size) { /* input latency exceeds block size, so simple 1 cycle delay before stop is not enough */
-
- /* we need to capture the audio that is still somewhere in the pipeline between
- wherever it was generated and the process callback. This means that even though
- the user (or something else) has asked us to stop, we have to roll
- past this point and then reset the playhead/transport location to
- the position at which the stop was requested.
-
- we still need playback to "stop" now, however, which is why we schedule
- a declick below.
- */
-
- DEBUG_TRACE (DEBUG::Transport, string_compose ("stop transport requested @ %1, scheduled for + %2 = %3, abort = %4\n",
- _transport_sample, _worst_input_latency,
- _transport_sample + _worst_input_latency,
- abort));
-
- SessionEvent *ev = new SessionEvent (SessionEvent::StopOnce, SessionEvent::Replace,
- _transport_sample + _worst_input_latency,
- 0, 0, abort);
-
- merge_event (ev);
-
- /* request a declick at the start of the next process cycle() so that playback ceases.
- It will remain silent until we actually stop (at the StopOnce event somewhere in
- the future). The extra flag (StopPendingCapture) is set to ensure that check_declick_out()
- does not stop the transport too early.
- */
- new_bits = SubState (PendingDeclickOut|StopPendingCapture);
-
- } else {
-
- /* Not recording, schedule a declick in the next process() cycle and then stop at its end */
-
- new_bits = PendingDeclickOut;
- DEBUG_TRACE (DEBUG::Transport, string_compose ("stop scheduled for next process cycle @ %1\n", _transport_sample));
- }
-
- /* we'll be called again after the declick */
- transport_sub_state = SubState (transport_sub_state|new_bits);
- pending_abort = abort;
-
- return;
-
- } else {
-
- DEBUG_TRACE (DEBUG::Transport, "time to actually stop\n");
-
- /* declick was scheduled, but we've been called again, which means it is really time to stop
-
- XXX: we should probably split this off into its own method and call it explicitly.
- */
+ DEBUG_TRACE (DEBUG::Transport, "time to actually stop\n");
- realtime_stop (abort, clear_state);
- _butler->schedule_transport_work ();
- }
+ realtime_stop (abort, clear_state);
+ _butler->schedule_transport_work ();
}
/** Called from the process thread */
_last_roll_location = _transport_sample;
_last_roll_or_reversal_location = _transport_sample;
+ _remaining_latency_preroll = worst_latency_preroll ();
have_looped = false;
switch (record_status()) {
case Enabled:
- if (!config.get_punch_in() && !preroll_record_punch_enabled()) {
+ if (!config.get_punch_in()) {
+ /* This is only for UIs (keep blinking rec-en before
+ * punch-in, don't show rec-region etc). The UI still
+ * depends on SessionEvent::PunchIn and ensuing signals.
+ *
+ * The disk-writers handle punch in/out internally
+ * in their local delay-compensated timeframe.
+ */
enable_record ();
}
break;
break;
}
- transport_sub_state |= PendingDeclickIn;
-
_transport_speed = _default_transport_speed;
_target_transport_speed = _transport_speed;
- boost::shared_ptr<RouteList> rl = routes.reader();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr) {
- tr->realtime_speed_change ();
- }
- }
-
if (!_engine.freewheeling()) {
Timecode::Time time;
timecode_time_subframes (_transport_sample, time);
- if (!dynamic_cast<MTC_Slave*>(_slave)) {
+ if (transport_master()->type() == MTC) {
send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay));
}
_count_in_samples *= 1. + bar_fract;
}
+ if (_count_in_samples > _remaining_latency_preroll) {
+ _remaining_latency_preroll = _count_in_samples;
+ }
+
int clickbeat = 0;
samplepos_t cf = _transport_sample - _count_in_samples;
- while (cf < _transport_sample) {
- add_click (cf - _worst_track_latency, clickbeat == 0);
+ samplecnt_t offset = _click_io->connected_latency (true);
+ while (cf < _transport_sample + offset) {
+ add_click (cf, clickbeat == 0);
cf += dt;
clickbeat = fmod (clickbeat + 1, num);
}
+
+ if (_count_in_samples < _remaining_latency_preroll) {
+ _count_in_samples = _remaining_latency_preroll;
+ }
}
}
}
}
-void
-Session::mtc_status_changed (bool yn)
-{
- g_atomic_int_set (&_mtc_active, yn);
- MTCSyncStateChanged( yn );
-}
-
-void
-Session::ltc_status_changed (bool yn)
-{
- g_atomic_int_set (&_ltc_active, yn);
- LTCSyncStateChanged( yn );
-}
-
-void
-Session::use_sync_source (Slave* new_slave)
-{
- /* Runs in process() context */
-
- bool non_rt_required = false;
-
- /* XXX this deletion is problematic because we're in RT context */
-
- delete _slave;
- _slave = new_slave;
-
-
- /* slave change, reset any DiskIO block on disk output because it is no
- longer valid with a new slave.
- */
- DiskReader::set_no_disk_output (false);
-
- MTC_Slave* mtc_slave = dynamic_cast<MTC_Slave*>(_slave);
- if (mtc_slave) {
- mtc_slave->ActiveChanged.connect_same_thread (mtc_status_connection, boost::bind (&Session::mtc_status_changed, this, _1));
- MTCSyncStateChanged(mtc_slave->locked() );
- } else {
- if (g_atomic_int_get (&_mtc_active) ){
- g_atomic_int_set (&_mtc_active, 0);
- MTCSyncStateChanged( false );
- }
- mtc_status_connection.disconnect ();
- }
-
- LTC_Slave* ltc_slave = dynamic_cast<LTC_Slave*> (_slave);
- if (ltc_slave) {
- ltc_slave->ActiveChanged.connect_same_thread (ltc_status_connection, boost::bind (&Session::ltc_status_changed, this, _1));
- LTCSyncStateChanged (ltc_slave->locked() );
- } else {
- if (g_atomic_int_get (&_ltc_active) ){
- g_atomic_int_set (&_ltc_active, 0);
- LTCSyncStateChanged( false );
- }
- ltc_status_connection.disconnect ();
- }
-
- DEBUG_TRACE (DEBUG::Slave, string_compose ("set new slave to %1\n", _slave));
-
- // need to queue this for next process() cycle
- _send_timecode_update = true;
-
- boost::shared_ptr<RouteList> rl = routes.reader();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && !tr->is_private_route()) {
- if (tr->realtime_speed_change()) {
- non_rt_required = true;
- }
- tr->set_slaved (_slave != 0);
- }
- }
-
- if (non_rt_required) {
- add_post_transport_work (PostTransportSpeed);
- _butler->schedule_transport_work ();
- }
-
- set_dirty();
-}
-
-void
-Session::drop_sync_source ()
-{
- request_sync_source (0);
-}
-
-void
-Session::switch_to_sync_source (SyncSource src)
-{
- Slave* new_slave;
-
- DEBUG_TRACE (DEBUG::Slave, string_compose ("Setting up sync source %1\n", enum_2_string (src)));
-
- switch (src) {
- case MTC:
- if (_slave && dynamic_cast<MTC_Slave*>(_slave)) {
- return;
- }
-
- try {
- new_slave = new MTC_Slave (*this, *_midi_ports->mtc_input_port());
- }
-
- catch (failed_constructor& err) {
- return;
- }
- break;
-
- case LTC:
- if (_slave && dynamic_cast<LTC_Slave*>(_slave)) {
- return;
- }
-
- try {
- new_slave = new LTC_Slave (*this);
- }
-
- catch (failed_constructor& err) {
- return;
- }
-
- break;
-
- case MIDIClock:
- if (_slave && dynamic_cast<MIDIClock_Slave*>(_slave)) {
- return;
- }
-
- try {
- new_slave = new MIDIClock_Slave (*this, *_midi_ports->midi_clock_input_port(), 24);
- }
-
- catch (failed_constructor& err) {
- return;
- }
- break;
-
- case Engine:
- if (_slave && dynamic_cast<Engine_Slave*>(_slave)) {
- return;
- }
-
- if (config.get_video_pullup() != 0.0f) {
- return;
- }
-
- new_slave = new Engine_Slave (*AudioEngine::instance());
- break;
-
- default:
- new_slave = 0;
- break;
- };
-
- request_sync_source (new_slave);
-}
-
void
Session::unset_play_range ()
{
{
return g_atomic_int_get (&_suspend_timecode_transmission) == 1;
}
+
+boost::shared_ptr<TransportMaster>
+Session::transport_master() const
+{
+ return TransportMasterManager::instance().current();
+}
+
+bool
+Session::transport_master_is_external () const
+{
+ return config.get_external_sync();
+}
+
+void
+Session::sync_source_changed (SyncSource type, samplepos_t pos, pframes_t cycle_nframes)
+{
+ /* Runs in process() context */
+
+ boost::shared_ptr<TransportMaster> master = TransportMasterManager::instance().current();
+
+ /* save value of seamless from before the switch */
+ _was_seamless = Config->get_seamless_loop ();
+
+ if (type == Engine) {
+ /* JACK cannot support seamless looping at present */
+ Config->set_seamless_loop (false);
+ } else {
+ /* reset to whatever the value was before we last switched slaves */
+ Config->set_seamless_loop (_was_seamless);
+ }
+
+ if (master->can_loop()) {
+ request_play_loop (false);
+ } else if (master->has_loop()) {
+ request_play_loop (true);
+ }
+
+ /* slave change, reset any DiskIO block on disk output because it is no
+ longer valid with a new slave.
+ */
+
+ DiskReader::set_no_disk_output (false);
+
+#if 0
+ we should not be treating specific transport masters as special cases because there maybe > 1 of a particular type
+
+ boost::shared_ptr<MTC_TransportMaster> mtc_master = boost::dynamic_pointer_cast<MTC_TransportMaster> (master);
+
+ if (mtc_master) {
+ mtc_master->ActiveChanged.connect_same_thread (mtc_status_connection, boost::bind (&Session::mtc_status_changed, this, _1));
+ MTCSyncStateChanged(mtc_master->locked() );
+ } else {
+ if (g_atomic_int_compare_and_exchange (&_mtc_active, 1, 0)) {
+ MTCSyncStateChanged( false );
+ }
+ mtc_status_connection.disconnect ();
+ }
+
+ boost::shared_ptr<LTC_TransportMaster> ltc_master = boost::dynamic_pointer_cast<LTC_TransportMaster> (master);
+
+ if (ltc_master) {
+ ltc_master->ActiveChanged.connect_same_thread (ltc_status_connection, boost::bind (&Session::ltc_status_changed, this, _1));
+ LTCSyncStateChanged (ltc_master->locked() );
+ } else {
+ if (g_atomic_int_compare_and_exchange (&_ltc_active, 1, 0)) {
+ LTCSyncStateChanged( false );
+ }
+ ltc_status_connection.disconnect ();
+ }
+#endif
+
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("set new slave to %1\n", master));
+
+ // need to queue this for next process() cycle
+ _send_timecode_update = true;
+
+ boost::shared_ptr<RouteList> rl = routes.reader();
+ const bool externally_slaved = transport_master_is_external();
+
+ for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+ boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
+ if (tr && !tr->is_private_route()) {
+ tr->set_slaved (externally_slaved);
+ }
+ }
+
+ set_dirty();
+}