#include "pbd/enumwriter.h"
#include "pbd/pthread_utils.h"
#include "pbd/memento_command.h"
+#include "pbd/stacktrace.h"
#include "midi++/mmc.h"
#include "midi++/port.h"
-#include "midi++/manager.h"
#include "ardour/audioengine.h"
#include "ardour/auditioner.h"
#include "ardour/click.h"
#include "ardour/debug.h"
#include "ardour/location.h"
+#include "ardour/profile.h"
+#include "ardour/scene_changer.h"
#include "ardour/session.h"
#include "ardour/slave.h"
#include "ardour/operations.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
seamless = Config->get_seamless_loop ();
- if (dynamic_cast<JACK_Slave*>(new_slave)) {
+ if (dynamic_cast<Engine_Slave*>(new_slave)) {
/* JACK cannot support seamless looping at present */
Config->set_seamless_loop (false);
} else {
Session::request_transport_speed (double speed, bool as_default)
{
SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Add, SessionEvent::Immediate, 0, speed);
- ev->third_yes_or_no = true;
+ 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));
queue_event (ev);
}
void
Session::request_stop (bool abort, bool clear_state)
{
- SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0, abort, clear_state);
- DEBUG_TRACE (DEBUG::Transport, string_compose ("Request transport stop, abort = %1, clear state = %2\n", abort, clear_state));
+ SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Add, SessionEvent::Immediate, audible_frame(), 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_frame(), _transport_frame));
queue_event (ev);
}
}
void
-Session::request_play_loop (bool yn, bool leave_rolling)
+Session::request_play_loop (bool yn, bool change_transport_roll)
{
+ if (_slave && yn) {
+ // don't attempt to loop when not using Internal Transport
+ // see also gtk2_ardour/ardour_ui_options.cc parameter_changed()
+ return;
+ }
+
SessionEvent* ev;
Location *location = _locations->auto_loop_location();
+ double target_speed;
if (location == 0 && yn) {
error << _("Cannot loop - no loop range defined")
return;
}
- ev = new SessionEvent (SessionEvent::SetLoop, SessionEvent::Add, SessionEvent::Immediate, 0, (leave_rolling ? 1.0 : 0.0), yn);
- DEBUG_TRACE (DEBUG::Transport, string_compose ("Request set loop = %1, leave rolling ? %2\n", yn, leave_rolling));
+ if (change_transport_roll) {
+ if (transport_rolling()) {
+ /* start looping at current speed */
+ target_speed = transport_speed ();
+ } else {
+ /* currently stopped */
+ if (yn) {
+ /* start looping at normal speed */
+ target_speed = 1.0;
+ } else {
+ target_speed = 0.0;
+ }
+ }
+ } else {
+ /* leave the speed alone */
+ target_speed = transport_speed ();
+ }
+
+ ev = new SessionEvent (SessionEvent::SetLoop, SessionEvent::Add, SessionEvent::Immediate, 0, target_speed, yn);
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("Request set loop = %1, change roll state ? %2\n", yn, change_transport_roll));
queue_event (ev);
- if (!leave_rolling && !yn && Config->get_seamless_loop() && transport_rolling()) {
- // request an immediate locate to refresh the tracks
- // after disabling looping
- request_locate (_transport_frame-1, false);
+ if (yn) {
+ if (!change_transport_roll) {
+ if (!transport_rolling()) {
+ /* we're not changing transport state, but we do want
+ to set up position for the new loop. Don't
+ do this if we're rolling already.
+ */
+ request_locate (location->start(), false);
+ }
+ }
+ } else {
+ if (!change_transport_roll && Config->get_seamless_loop() && transport_rolling()) {
+ // request an immediate locate to refresh the tracks
+ // after disabling looping
+ request_locate (_transport_frame-1, false);
+ }
}
}
queue_event (ev);
}
+void
+Session::request_cancel_play_range ()
+{
+ SessionEvent* ev = new SessionEvent (SessionEvent::CancelPlayAudioRange, SessionEvent::Add, SessionEvent::Immediate, 0, 0);
+ queue_event (ev);
+}
+
+
void
Session::realtime_stop (bool abort, bool clear_state)
{
if (_transport_speed < 0.0f) {
todo = (PostTransportWork (todo | PostTransportStop | PostTransportReverse));
+ _default_transport_speed = 1.0;
} else {
todo = PostTransportWork (todo | PostTransportStop);
}
(*i)->realtime_handle_transport_stopped ();
}
- if (actively_recording()) {
-
- /* move the transport position back to where the
- request for a stop was noticed. we rolled
- past that point to pick up delayed input (and/or to delick)
- */
-
- if (worst_playback_latency() > current_block_size) {
- /* we rolled past the stop point to pick up data that had
- not yet arrived. move back to where the stop occured.
- */
- decrement_transport_position (current_block_size + (worst_input_latency() - current_block_size));
- } else {
- decrement_transport_position (current_block_size);
- }
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("stop complete, auto-return scheduled for return to %1\n", _requested_return_frame));
- /* the duration change is not guaranteed to have happened, but is likely */
+ /* the duration change is not guaranteed to have happened, but is likely */
- todo = PostTransportWork (todo | PostTransportDuration);
- }
+ todo = PostTransportWork (todo | PostTransportDuration);
if (abort) {
todo = PostTransportWork (todo | PostTransportAbort);
/* 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));
+ if (clear_state && !Config->get_loop_is_mode()) {
+ unset_play_loop ();
+ }
+
reset_slave_state ();
_transport_speed = 0;
void
Session::butler_transport_work ()
{
+ /* Note: this function executes in the butler thread context */
+
restart:
bool finished;
PostTransportWork ptw;
boost::shared_ptr<RouteList> r = routes.reader ();
+ uint64_t before;
int on_entry = g_atomic_int_get (&_butler->should_do_transport_work);
finished = true;
ptw = post_transport_work();
- DEBUG_TRACE (DEBUG::Transport, string_compose ("Butler transport work, todo = %1\n", enum_2_string (ptw)));
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("Butler transport work, todo = %1 at %2\n", enum_2_string (ptw), (before = g_get_monotonic_time())));
+
+
+ if (ptw & PostTransportLocate) {
+
+ if (get_play_loop() && !Config->get_seamless_loop()) {
+
+ DEBUG_TRACE (DEBUG::Butler, "flush loop recording fragment to disk\n");
+
+ /* this locate might be happening while we are
+ * loop recording.
+ *
+ * Non-seamless looping will require a locate (below) that
+ * will reset capture buffers and throw away data.
+ *
+ * Rather than first find all tracks and see if they
+ * have outstanding data, just do a flush anyway. It
+ * may be cheaper this way anyway, and is certainly
+ * more accurate.
+ */
+
+ bool more_disk_io_to_do = false;
+ uint32_t errors = 0;
+
+ do {
+ more_disk_io_to_do = _butler->flush_tracks_to_disk_after_locate (r, errors);
+
+ if (errors) {
+ break;
+ }
+
+ if (more_disk_io_to_do) {
+ continue;
+ }
+
+ } while (false);
+
+ }
+ }
if (ptw & PostTransportAdjustPlaybackBuffering) {
+ /* non_realtime_locate() calls Automatable::transport_located()
+ * for every route. This eventually calls
+ * ARDOUR::AutomationList::state () which has a LocaleGuard,
+ * and would switch locales forth/back every time.
+ */
+ LocaleGuard lg;
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
if (tr) {
/* don't seek if locate will take care of that in non_realtime_stop() */
if (!(ptw & PostTransportLocate)) {
-
+ LocaleGuard lg; // see note for non_realtime_locate() above
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
(*i)->non_realtime_locate (_transport_frame);
}
if (ptw & PostTransportLocate) {
+ DEBUG_TRACE (DEBUG::Transport, "nonrealtime locate invoked from BTW\n");
non_realtime_locate ();
}
g_atomic_int_dec_and_test (&_butler->should_do_transport_work);
- DEBUG_TRACE (DEBUG::Transport, X_("Butler transport work all done\n"));
+ DEBUG_TRACE (DEBUG::Transport, string_compose (X_("Butler transport work all done after %1 usecs\n"), g_get_monotonic_time() - before));
+ DEBUG_TRACE (DEBUG::Transport, X_(string_compose ("Frame %1\n", _transport_frame)));
}
void
void
Session::non_realtime_locate ()
{
- boost::shared_ptr<RouteList> rl = routes.reader();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- (*i)->non_realtime_locate (_transport_frame);
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("locate tracks to %1\n", _transport_frame));
+
+ if (Config->get_loop_is_mode() && get_play_loop()) {
+
+ Location *loc = _locations->auto_loop_location();
+
+ if (!loc || (_transport_frame < loc->start() || _transport_frame >= loc->end())) {
+ /* jumped out of loop range: stop tracks from looping,
+ but leave loop (mode) enabled.
+ */
+ set_track_loop (false);
+
+ } else if (loc && Config->get_seamless_loop() &&
+ ((loc->start() <= _transport_frame) ||
+ (loc->end() > _transport_frame) ) ) {
+
+ /* jumping to start of loop. This might have been done before but it is
+ * idempotent and cheap. Doing it here ensures that when we start playback
+ * outside the loop we still flip tracks into the magic seamless mode
+ * when needed.
+ */
+ set_track_loop (true);
+
+ } else if (loc) {
+ set_track_loop (false);
+ }
+
+ } else {
+
+ /* no more looping .. should have been noticed elsewhere */
+ }
+
+
+ {
+ LocaleGuard lg; // see note for non_realtime_locate() above
+ boost::shared_ptr<RouteList> rl = routes.reader();
+ for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+ (*i)->non_realtime_locate (_transport_frame);
+ }
}
+ _scene_changer->locate (_transport_frame);
+
/* XXX: it would be nice to generate the new clicks here (in the non-RT thread)
rather than clearing them so that the RT thread has to spend time constructing
them (in Session::click).
clear_clicks ();
}
+#ifdef USE_TRACKS_CODE_FEATURES
+bool
+Session::select_playhead_priority_target (framepos_t& jump_to)
+{
+ jump_to = -1;
+
+ AutoReturnTarget autoreturn = Config->get_auto_return_target_list ();
+
+ if (!autoreturn) {
+ return false;
+ }
+
+ if (Profile->get_trx() && transport_rolling() ) {
+ // We're playing, so do nothing.
+ // Next stop will put us where we need to be.
+ return false;
+ }
+
+ /* Note that the order of checking each AutoReturnTarget flag defines
+ the priority each flag.
+
+ Ardour/Mixbus: Last Locate
+ Range Selection
+ Loop Range
+ Region Selection
+
+ Tracks: Range Selection
+ Loop Range
+ Region Selection
+ Last Locate
+ */
+
+ if (autoreturn & RangeSelectionStart) {
+ if (!_range_selection.empty()) {
+ jump_to = _range_selection.from;
+ } else {
+ if (transport_rolling ()) {
+ /* Range selection no longer exists, but we're playing,
+ so do nothing. Next stop will put us where
+ we need to be.
+ */
+ return false;
+ }
+ }
+ }
+
+ if (jump_to < 0 && (autoreturn & Loop) && get_play_loop()) {
+ /* don't try to handle loop play when synced to JACK */
+
+ if (!synced_to_engine()) {
+ Location *location = _locations->auto_loop_location();
+
+ if (location) {
+ jump_to = location->start();
+
+ if (Config->get_seamless_loop()) {
+ /* need to get track buffers reloaded */
+ set_track_loop (true);
+ }
+ }
+ }
+ }
+
+ if (jump_to < 0 && (autoreturn & RegionSelectionStart)) {
+ if (!_object_selection.empty()) {
+ jump_to = _object_selection.from;
+ }
+ }
+
+ if (jump_to < 0 && (autoreturn & LastLocate)) {
+ jump_to = _last_roll_location;
+ }
+
+ return jump_to >= 0;
+}
+#else
+
+bool
+Session::select_playhead_priority_target (framepos_t& jump_to)
+{
+ if (config.get_external_sync() || !config.get_auto_return()) {
+ return false;
+ }
+
+ jump_to = _last_roll_location;
+ return jump_to >= 0;
+}
+
+#endif
+
+void
+Session::follow_playhead_priority ()
+{
+ framepos_t target;
+
+ if (select_playhead_priority_target (target)) {
+ request_locate (target);
+ }
+}
void
Session::non_realtime_stop (bool abort, 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_hidden()) {
+ if (!(*i)->is_auditioner()) {
(*i)->set_pending_declick (0);
}
}
if (did_record) {
commit_reversible_command ();
+ /* increase take name */
+ if (config.get_track_name_take () && !config.get_take_name ().empty()) {
+ string newname = config.get_take_name();
+ config.set_take_name(bump_name_number (newname));
+ }
}
if (_engine.running()) {
update_latency_compensation ();
}
- bool const auto_return_enabled =
- (!config.get_external_sync() && config.get_auto_return());
+ bool const auto_return_enabled = (!config.get_external_sync() && (Config->get_auto_return_target_list() || abort));
if (auto_return_enabled ||
(ptw & PostTransportLocate) ||
(_requested_return_frame >= 0) ||
- synced_to_jack()) {
+ synced_to_engine()) {
if (pending_locate_flush) {
flush_all_inserts ();
}
- if ((auto_return_enabled || synced_to_jack() || _requested_return_frame >= 0) &&
+ if ((auto_return_enabled || synced_to_engine() || _requested_return_frame >= 0) &&
!(ptw & PostTransportLocate)) {
/* no explicit locate queued */
/* explicit return request pre-queued in event list. overrides everything else */
- cerr << "explicit auto-return to " << _requested_return_frame << endl;
-
_transport_frame = _requested_return_frame;
do_locate = true;
} else {
- if (config.get_auto_return()) {
-
- if (play_loop) {
-
- /* don't try to handle loop play when synced to JACK */
-
- if (!synced_to_jack()) {
-
- Location *location = _locations->auto_loop_location();
+ framepos_t jump_to;
- if (location != 0) {
- _transport_frame = location->start();
- } else {
- _transport_frame = _last_roll_location;
- }
- do_locate = true;
- }
+ if (select_playhead_priority_target (jump_to)) {
- } else if (_play_range) {
+ _transport_frame = jump_to;
+ do_locate = true;
- /* return to start of range */
+ } else if (abort) {
- if (!current_audio_range.empty()) {
- _transport_frame = current_audio_range.front().start;
- do_locate = true;
- }
-
- } else {
-
- /* regular auto-return */
-
- _transport_frame = _last_roll_location;
- do_locate = true;
- }
+ _transport_frame = _last_roll_location;
+ do_locate = true;
}
}
*/
if (ptw & PostTransportClearSubstate) {
- _play_range = false;
- unset_play_loop ();
+ unset_play_range ();
+ if (!Config->get_loop_is_mode()) {
+ unset_play_loop ();
+ }
}
/* this for() block can be put inside the previous if() and has the effect of ... ??? what */
- DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: locate\n"));
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- DEBUG_TRACE (DEBUG::Transport, string_compose ("Butler PTW: locate on %1\n", (*i)->name()));
- (*i)->non_realtime_locate (_transport_frame);
+ {
+ LocaleGuard lg; // see note for non_realtime_locate() above
+ DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: locate\n"));
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("Butler PTW: locate on %1\n", (*i)->name()));
+ (*i)->non_realtime_locate (_transport_frame);
- if (on_entry != g_atomic_int_get (&_butler->should_do_transport_work)) {
- finished = false;
- /* we will be back */
- return;
+ if (on_entry != g_atomic_int_get (&_butler->should_do_transport_work)) {
+ finished = false;
+ /* we will be back */
+ return;
+ }
}
}
have_looped = false;
- if (!_engine.freewheeling()) {
- send_full_time_code (_transport_frame);
-
+ /* don't bother with this stuff if we're disconnected from the engine,
+ because there will be no process callbacks to deliver stuff from
+ */
+
+ if (_engine.connected() && !_engine.freewheeling()) {
+ // need to queue this in the next RT cycle
+ _send_timecode_update = true;
+
if (!dynamic_cast<MTC_Slave*>(_slave)) {
- MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdStop));
+ send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdStop));
+
+ /* This (::non_realtime_stop()) gets called by main
+ process thread, which will lead to confusion
+ when calling AsyncMIDIPort::write().
+
+ Something must be done. XXX
+ */
send_mmc_locate (_transport_frame);
}
}
* save state only if there's no slave or if it's not yet locked.
*/
if (!_slave || !_slave->locked()) {
- DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: pending save\n"));
- /* capture start has been changed, so save pending state */
- save_state ("", true);
+ DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: requests save\n"));
+ SaveSessionRequested (_current_snapshot_name);
saved = true;
}
}
/* save the current state of things if appropriate */
if (did_record && !saved) {
- save_state (_current_snapshot_name);
+ SaveSessionRequested (_current_snapshot_name);
}
if (ptw & PostTransportStop) {
- _play_range = false;
- play_loop = false;
+ unset_play_range ();
+ if (!Config->get_loop_is_mode()) {
+ unset_play_loop ();
+ }
}
PositionChanged (_transport_frame); /* EMIT SIGNAL */
start_locate (pending_locate_frame, pending_locate_roll, pending_locate_flush);
transport_sub_state &= ~(PendingDeclickOut|PendingLocate);
} else {
- stop_transport (pending_abort);
- transport_sub_state &= ~(PendingDeclickOut|PendingLocate);
+ if (!(transport_sub_state & StopPendingCapture)) {
+ stop_transport (pending_abort);
+ transport_sub_state &= ~(PendingDeclickOut|PendingLocate);
+ }
}
} else if (transport_sub_state & PendingLoopDeclickOut) {
void
Session::unset_play_loop ()
{
- play_loop = false;
- clear_events (SessionEvent::AutoLoop);
- clear_events (SessionEvent::AutoLoopDeclick);
+ if (play_loop) {
+ play_loop = false;
+ clear_events (SessionEvent::AutoLoop);
+ clear_events (SessionEvent::AutoLoopDeclick);
+ set_track_loop (false);
+
+
+ if (Config->get_seamless_loop()) {
+ /* likely need to flush track buffers: this will locate us to wherever we are */
+ add_post_transport_work (PostTransportLocate);
+ _butler->schedule_transport_work ();
+ }
+ }
+}
+
+void
+Session::set_track_loop (bool yn)
+{
+ Location* loc = _locations->auto_loop_location ();
+
+ if (!loc) {
+ yn = false;
+ }
- // set all tracks to NOT use internal looping
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->hidden()) {
- tr->set_loop (0);
+ tr->set_loop (yn ? loc : 0);
}
}
}
void
-Session::set_play_loop (bool yn)
+Session::set_play_loop (bool yn, double speed)
{
/* Called from event-handling context */
return;
}
- if (yn && Config->get_seamless_loop() && synced_to_jack()) {
+ if (yn && Config->get_seamless_loop() && synced_to_engine()) {
warning << string_compose (
_("Seamless looping cannot be supported while %1 is using JACK transport.\n"
"Recommend changing the configured options"), PROGRAM_NAME)
if (yn) {
play_loop = true;
+ have_looped = false;
if (loc) {
unset_play_range ();
if (Config->get_seamless_loop()) {
- // set all tracks to use internal looping
- 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->hidden()) {
- tr->set_loop (loc);
- }
- }
- }
- else {
- // set all tracks to NOT use internal looping
- 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->hidden()) {
- tr->set_loop (0);
- }
+ if (!Config->get_loop_is_mode()) {
+ /* set all tracks to use internal looping */
+ set_track_loop (true);
+ } else {
+ /* we will do this in the locate to the start OR when we hit the end
+ * of the loop for the first time
+ */
}
+ } else {
+ /* set all tracks to NOT use internal looping */
+ set_track_loop (false);
}
/* Put the delick and loop events in into the event list. The declick event will
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));
- /* locate to start of loop and roll.
+ /* if requested to roll, locate to start of loop and
+ * roll but ONLY if we're not already rolling.
args: positition, roll=true, flush=true, with_loop=false, force buffer refill if seamless looping
*/
- start_locate (loc->start(), true, true, false, Config->get_seamless_loop());
+ if (Config->get_loop_is_mode()) {
+ /* loop IS a transport mode: if already
+ rolling, do not locate to loop start.
+ */
+ if (!transport_rolling() && (speed != 0.0)) {
+ start_locate (loc->start(), true, true, false, true);
+ }
+ } else {
+ if (speed != 0.0) {
+ start_locate (loc->start(), true, true, false, true);
+ }
+ }
}
} else {
}
void
-Session::start_locate (framepos_t target_frame, bool with_roll, bool with_flush, bool with_loop, bool force)
+Session::start_locate (framepos_t target_frame, bool with_roll, bool with_flush, bool for_loop_enabled, bool force)
{
- if (synced_to_jack()) {
+ if (target_frame < 0) {
+ error << _("Locate called for negative sample position - ignored") << endmsg;
+ return;
+ }
+
+ if (synced_to_engine()) {
double sp;
framepos_t pos;
will use the incorrect _transport_frame and report an old
and incorrect time to Jack transport
*/
- locate (target_frame, with_roll, with_flush, with_loop, force);
+ locate (target_frame, with_roll, with_flush, for_loop_enabled, force);
}
/* tell JACK to change transport position, and we will
}
} else {
- locate (target_frame, with_roll, with_flush, with_loop, force);
+ locate (target_frame, with_roll, with_flush, for_loop_enabled, force);
}
}
/** @param with_mmc true to send a MMC locate command when the locate is done */
void
-Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool for_seamless_loop, bool force, bool with_mmc)
+Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool for_loop_enabled, bool force, bool with_mmc)
{
+ bool need_butler = false;
+
/* Locates for seamless looping are fairly different from other
* locates. They assume that the diskstream buffers for each track
* already have the correct data in them, and thus there is no need to
* actually tell the tracks to locate. What does need to be done,
* though, is all the housekeeping that is associated with non-linear
- * changes in the value of _transport_frame.
+ * changes in the value of _transport_frame.
*/
- if (actively_recording() && !for_seamless_loop) {
- return;
- }
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("rt-locate to %1, roll %2 flush %3 loop-enabled %4 force %5 mmc %6\n",
+ target_frame, with_roll, with_flush, for_loop_enabled, force, with_mmc));
+
+ if (!force && _transport_frame == target_frame && !loop_changing && !for_loop_enabled) {
+
+ /* already at the desired position. Not forced to locate,
+ the loop isn't changing, so unless we're told to
+ start rolling also, there's nothing to do but
+ tell the world where we are (again).
+ */
- if (!force && _transport_frame == target_frame && !loop_changing && !for_seamless_loop) {
if (with_roll) {
- set_transport_speed (1.0, false);
+ set_transport_speed (1.0, 0, false);
}
loop_changing = false;
Located (); /* EMIT SIGNAL */
return;
}
- if (_transport_speed && !for_seamless_loop) {
+ 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.
}
// Update Timecode time
- // [DR] FIXME: find out exactly where this should go below
_transport_frame = target_frame;
_last_roll_or_reversal_location = target_frame;
timecode_time(_transport_frame, transmitting_timecode_time);
- outbound_mtc_timecode_frame = _transport_frame;
- next_quarter_frame_to_send = 0;
/* do "stopped" stuff if:
*
bool transport_was_stopped = !transport_rolling();
- if (transport_was_stopped && (!auto_play_legal || !config.get_auto_play()) && !with_roll && !(synced_to_jack() && play_loop)) {
+ if (!transport_was_stopped && (!auto_play_legal || !config.get_auto_play()) && !with_roll && !(synced_to_engine() && play_loop) &&
+ (!Profile->get_trx() || !(config.get_external_sync() && !synced_to_engine()))) {
realtime_stop (false, true); // XXX paul - check if the 2nd arg is really correct
transport_was_stopped = true;
} else {
realtime_locate ();
}
- if (force || !for_seamless_loop || loop_changing) {
+ if (force || !for_loop_enabled || loop_changing) {
PostTransportWork todo = PostTransportLocate;
}
add_post_transport_work (todo);
- _butler->schedule_transport_work ();
+ need_butler = true;
} else {
Location* al = _locations->auto_loop_location();
if (al) {
- if (_transport_frame < al->start() || _transport_frame > al->end()) {
+ if (_transport_frame < al->start() || _transport_frame >= al->end()) {
// located outside the loop: cancel looping directly, this is called from event handling context
- set_play_loop (false);
-
+ have_looped = false;
+
+ if (!Config->get_loop_is_mode()) {
+ set_play_loop (false, _transport_speed);
+ } else {
+ if (Config->get_seamless_loop()) {
+ /* this will make the non_realtime_locate() in the butler
+ which then causes seek() in tracks actually do the right
+ thing.
+ */
+ set_track_loop (false);
+ }
+ }
+
} else if (_transport_frame == al->start()) {
// located to start of loop - this is looping, basically
- if (for_seamless_loop) {
+ if (!have_looped) {
+ /* first time */
+ if (_last_roll_location != al->start()) {
+ /* didn't start at loop start - playback must have
+ * started before loop since we've now hit the loop
+ * end.
+ */
+ add_post_transport_work (PostTransportLocate);
+ need_butler = true;
+ }
- // this is only necessary for seamless looping
-
- 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);
+ boost::shared_ptr<RouteList> rl = routes.reader();
- if (tr && tr->record_enabled ()) {
- // tell it we've looped, so it can deal with the record state
- tr->transport_looped (_transport_frame);
- }
+ for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+ boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
+
+ if (tr && tr->rec_enable_control()->get_value()) {
+ // tell it we've looped, so it can deal with the record state
+ tr->transport_looped (_transport_frame);
}
}
}
}
+ if (need_butler) {
+ _butler->schedule_transport_work ();
+ }
+
loop_changing = false;
_send_timecode_update = true;
send_mmc_locate (_transport_frame);
}
+ _last_roll_location = _last_roll_or_reversal_location = _transport_frame;
Located (); /* EMIT SIGNAL */
}
* @param speed New speed
*/
void
-Session::set_transport_speed (double speed, bool abort, bool clear_state, bool as_default)
+Session::set_transport_speed (double speed, framepos_t destination_frame, bool abort, bool clear_state, bool as_default)
{
- DEBUG_TRACE (DEBUG::Transport, string_compose ("@ %5 Set transport speed to %1, abort = %2 clear_state = %3, current = %4 as_default %6\n",
+ 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_frame, as_default));
if (_transport_speed == speed) {
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, frame %2\n",
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("No varispeed during recording cur_speed %1, frame %2\n",
_transport_speed, _transport_frame));
return;
}
set_track_monitor_input_status (true);
}
- if (synced_to_jack ()) {
+ if (synced_to_engine ()) {
if (clear_state) {
/* do this here because our response to the slave won't
take care of it.
}
_engine.transport_stop ();
} else {
+ bool const auto_return_enabled = (!config.get_external_sync() && (Config->get_auto_return_target_list() || abort));
+
+ if (!auto_return_enabled) {
+ _requested_return_frame = destination_frame;
+ }
+
stop_transport (abort);
}
- unset_play_loop ();
-
} else if (transport_stopped() && speed == 1.0) {
-
+ if (as_default) {
+ _default_transport_speed = speed;
+ }
/* we are stopped and we want to start rolling at speed 1 */
+ if (Config->get_loop_is_mode() && play_loop) {
+
+ Location *location = _locations->auto_loop_location();
+
+ if (location != 0) {
+ if (_transport_frame != location->start()) {
+
+ if (Config->get_seamless_loop()) {
+ /* force tracks to do their thing */
+ set_track_loop (true);
+ }
+
+ /* jump to start and then roll from there */
+
+ request_locate (location->start(), true);
+ return;
+ }
+ }
+ }
+
if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
set_track_monitor_input_status (false);
}
- if (synced_to_jack()) {
+ if (synced_to_engine()) {
_engine.transport_start ();
} else {
start_transport ();
/* not zero, not 1.0 ... varispeed */
- if ((synced_to_jack()) && speed != 0.0 && speed != 1.0) {
+ 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"),
PROGRAM_NAME)
PostTransportWork todo = PostTransportWork (0);
- if ((_transport_speed && speed * _transport_speed < 0.0) || (_last_transport_speed * speed < 0.0) || (_last_transport_speed == 0.0f && speed < 0.0f)) {
+ if ((_transport_speed && speed * _transport_speed < 0.0) || (_last_transport_speed * speed < 0.0) || (_last_transport_speed == 0.0 && speed < 0.0)) {
todo = PostTransportWork (todo | PostTransportReverse);
_last_roll_or_reversal_location = _transport_frame;
}
}
DEBUG_TRACE (DEBUG::Transport, string_compose ("send TSC3 with speed = %1\n", _transport_speed));
- TransportStateChange (); /* EMIT SIGNAL */
+
+ /* throttle signal emissions.
+ * when slaved [_last]_transport_speed
+ * usually changes every cycle (tiny amounts due to DLL).
+ * Emitting a signal every cycle is overkill and unwarranted.
+ *
+ * Using _last_transport_speed is not acceptable,
+ * since it allows for large changes over a long period
+ * of time. Hence we introduce a dedicated variable to keep track
+ *
+ * The 0.2% dead-zone is somewhat arbitrary. Main use-case
+ * for TransportStateChange() here is the ShuttleControl display.
+ */
+ if (fabs (_signalled_varispeed - 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)
+ )
+ {
+ TransportStateChange (); /* EMIT SIGNAL */
+ _signalled_varispeed = speed;
+ }
}
}
return;
}
- if (actively_recording() && !(transport_sub_state & StopPendingCapture) && worst_input_latency() > current_block_size) {
+ 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();
+ framepos_t stop_target = audible_frame();
+
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_frame);
+ tr->prepare_to_stop (_transport_frame, stop_target);
}
}
- /* we need to capture the audio that has still not yet been received by the system
- at the time the stop is requested, so we have to roll past that time.
+ SubState new_bits;
- we want to declick before stopping, so schedule the autostop for one
- block before the actual end. we'll declick in the subsequent block,
- and then we'll really be stopped.
- */
+ 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 */
- DEBUG_TRACE (DEBUG::Transport, string_compose ("stop transport requested @ %1, scheduled for + %2 - %3 = %4, abort = %5\n",
- _transport_frame, _worst_input_latency, current_block_size,
- _transport_frame - _worst_input_latency - current_block_size,
- abort));
+ /* 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.
- SessionEvent *ev = new SessionEvent (SessionEvent::StopOnce, SessionEvent::Replace,
- _transport_frame + _worst_input_latency - current_block_size,
- 0, 0, abort);
+ we still need playback to "stop" now, however, which is why we schedule
+ a declick below.
+ */
- merge_event (ev);
- transport_sub_state |= StopPendingCapture;
- pending_abort = abort;
- return;
- }
+ DEBUG_TRACE (DEBUG::Transport, string_compose ("stop transport requested @ %1, scheduled for + %2 = %3, abort = %4\n",
+ _transport_frame, _worst_input_latency,
+ _transport_frame + _worst_input_latency,
+ abort));
- if ((transport_sub_state & PendingDeclickOut) == 0) {
+ SessionEvent *ev = new SessionEvent (SessionEvent::StopOnce, SessionEvent::Replace,
+ _transport_frame + _worst_input_latency,
+ 0, 0, abort);
- if (!(transport_sub_state & StopPendingCapture)) {
- 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->prepare_to_stop (_transport_frame);
- }
- }
+ 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_frame));
}
- transport_sub_state |= PendingDeclickOut;
/* we'll be called again after the declick */
+ transport_sub_state = SubState (transport_sub_state|new_bits);
pending_abort = abort;
+
return;
- }
- realtime_stop (abort, clear_state);
- _butler->schedule_transport_work ();
+ } 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.
+ */
+
+ realtime_stop (abort, clear_state);
+ _butler->schedule_transport_work ();
+ }
}
/** Called from the process thread */
Timecode::Time time;
timecode_time_subframes (_transport_frame, time);
if (!dynamic_cast<MTC_Slave*>(_slave)) {
- MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay));
+ send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay));
}
}
}
}
+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)
{
delete _slave;
_slave = new_slave;
+ 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));
- send_full_time_code (_transport_frame);
+ // 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) {
}
try {
- new_slave = new MTC_Slave (*this, *MIDI::Manager::instance()->mtc_input_port());
+ new_slave = new MTC_Slave (*this, *_midi_ports->mtc_input_port());
}
catch (failed_constructor& err) {
}
try {
- new_slave = new MIDIClock_Slave (*this, *MIDI::Manager::instance()->midi_clock_input_port(), 24);
+ new_slave = new MIDIClock_Slave (*this, *_midi_ports->midi_clock_input_port(), 24);
}
catch (failed_constructor& err) {
}
break;
- case JACK:
- if (_slave && dynamic_cast<JACK_Slave*>(_slave)) {
+ case Engine:
+ if (_slave && dynamic_cast<Engine_Slave*>(_slave)) {
return;
}
return;
}
- new_slave = new JACK_Slave (_engine.jack());
+ new_slave = new Engine_Slave (*AudioEngine::instance());
break;
default:
lar.push_back (ar);
request_play_range (&lar, true);
}
+
+void
+Session::set_requested_return_frame (framepos_t return_to)
+{
+ _requested_return_frame = return_to;
+}
+
void
Session::request_roll_at_and_return (framepos_t start, framepos_t return_to)
{
*/
if (_butler) {
- g_atomic_int_set (&_butler->should_do_transport_work, 0);
- set_post_transport_work (PostTransportWork (0));
_butler->stop ();
}
void
Session::xrun_recovery ()
{
+ ++_xrun_count;
+
Xrun (_transport_frame); /* EMIT SIGNAL */
if (Config->get_stop_recording_on_xrun() && actively_recording()) {
}
if (c.type == RouteProcessorChange::MeterPointChange) {
+ set_dirty ();
+ return;
+ }
+
+ if (c.type == RouteProcessorChange::RealTimeChange) {
+ set_dirty ();
return;
}
auto_play_legal = yn;
}
-void
-Session::reset_jack_connection (jack_client_t* jack)
-{
- JACK_Slave* js;
-
- if (_slave && ((js = dynamic_cast<JACK_Slave*> (_slave)) != 0)) {
- js->reset_client (jack);
- }
-}
-
bool
Session::maybe_stop (framepos_t limit)
{
if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
- if (synced_to_jack () && config.get_jack_time_master ()) {
+ if (synced_to_engine () && config.get_jack_time_master ()) {
_engine.transport_stop ();
- } else if (!synced_to_jack ()) {
+ } else if (!synced_to_engine ()) {
stop_transport ();
}
return true;
void
Session::send_mmc_locate (framepos_t t)
{
+ if (t < 0) {
+ return;
+ }
+
if (!_engine.freewheeling()) {
Timecode::Time time;
timecode_time_subframes (t, time);
- MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (time));
+ send_immediate_mmc (MIDI::MachineControlCommand (time));
}
}
projects / ardour.git / blobdiff