X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_transport.cc;h=bb20fe97ac1ab6bc462beb74c0c2bb221488c0bc;hb=73192bc1a7ea55fa1864dc3826845b15c00dd2ec;hp=9d9e0ca1f07248597e30d9fa8318e35abd627e00;hpb=c268314b64c2235b0d69c3854e303accd2cad4d9;p=ardour.git diff --git a/libs/ardour/session_transport.cc b/libs/ardour/session_transport.cc index 9d9e0ca1f0..bb20fe97ac 100644 --- a/libs/ardour/session_transport.cc +++ b/libs/ardour/session_transport.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 1999-2003 Paul Davis + Copyright (C) 1999-2003 Paul Davis This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,98 +21,128 @@ #include #include -#include -#include -#include -#include -#include -#include -#include +#include "pbd/undo.h" +#include "pbd/error.h" +#include "pbd/enumwriter.h" +#include "pbd/pthread_utils.h" +#include "pbd/memento_command.h" -#include -#include +#include "midi++/mmc.h" +#include "midi++/port.h" +#include "midi++/manager.h" -#include -#include -#include -#include -#include -#include -#include +#include "ardour/ardour.h" +#include "ardour/audioengine.h" +#include "ardour/auditioner.h" +#include "ardour/butler.h" +#include "ardour/debug.h" +#include "ardour/location.h" +#include "ardour/session.h" +#include "ardour/slave.h" #include "i18n.h" using namespace std; using namespace ARDOUR; -using namespace sigc; using namespace PBD; +void +Session::add_post_transport_work (PostTransportWork ptw) +{ + PostTransportWork oldval; + PostTransportWork newval; + int tries = 0; + + while (tries < 8) { + oldval = (PostTransportWork) g_atomic_int_get (&_post_transport_work); + newval = PostTransportWork (oldval | ptw); + if (g_atomic_int_compare_and_exchange (&_post_transport_work, oldval, newval)) { + /* success */ + return; + } + } + + error << "Could not set post transport work! Crazy thread madness, call the programmers" << endmsg; +} + void Session::request_input_change_handling () { if (!(_state_of_the_state & (InitialConnecting|Deletion))) { - Event* ev = new Event (Event::InputConfigurationChange, Event::Add, Event::Immediate, 0, 0.0); + SessionEvent* ev = new SessionEvent (SessionEvent::InputConfigurationChange, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0); queue_event (ev); } } void -Session::request_slave_source (SlaveSource src) +Session::request_sync_source (Slave* new_slave) { - Event* ev = new Event (Event::SetSlaveSource, Event::Add, Event::Immediate, 0, 0.0); + SessionEvent* ev = new SessionEvent (SessionEvent::SetSyncSource, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0); + bool seamless; + + seamless = Config->get_seamless_loop (); - if (src == JACK) { - /* could set_seamless_loop() be disposed of entirely?*/ + if (dynamic_cast(new_slave)) { + /* JACK cannot support seamless looping at present */ Config->set_seamless_loop (false); } else { - Config->set_seamless_loop (true); + /* reset to whatever the value was before we last switched slaves */ + Config->set_seamless_loop (_was_seamless); } - ev->slave = src; + + /* save value of seamless from before the switch */ + _was_seamless = seamless; + + ev->slave = new_slave; queue_event (ev); } void -Session::request_transport_speed (float speed) +Session::request_transport_speed (double speed) { - Event* ev = new Event (Event::SetTransportSpeed, Event::Add, Event::Immediate, 0, speed); + SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Add, SessionEvent::Immediate, 0, speed); + DEBUG_TRACE (DEBUG::Transport, string_compose ("Request transport speed = %1\n", speed)); queue_event (ev); } void -Session::request_diskstream_speed (Diskstream& ds, float speed) +Session::request_track_speed (Track* tr, double speed) { - Event* ev = new Event (Event::SetDiskstreamSpeed, Event::Add, Event::Immediate, 0, speed); - ev->set_ptr (&ds); + SessionEvent* ev = new SessionEvent (SessionEvent::SetTrackSpeed, SessionEvent::Add, SessionEvent::Immediate, 0, speed); + ev->set_ptr (tr); queue_event (ev); } void -Session::request_stop (bool abort) +Session::request_stop (bool abort, bool clear_state) { - Event* ev = new Event (Event::SetTransportSpeed, Event::Add, Event::Immediate, 0, 0.0, abort); + 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)); queue_event (ev); } void -Session::request_locate (nframes_t target_frame, bool with_roll) +Session::request_locate (framepos_t target_frame, bool with_roll) { - Event *ev = new Event (with_roll ? Event::LocateRoll : Event::Locate, Event::Add, Event::Immediate, target_frame, 0, false); + SessionEvent *ev = new SessionEvent (with_roll ? SessionEvent::LocateRoll : SessionEvent::Locate, SessionEvent::Add, SessionEvent::Immediate, target_frame, 0, false); + DEBUG_TRACE (DEBUG::Transport, string_compose ("Request locate to %1\n", target_frame)); queue_event (ev); } void -Session::force_locate (nframes_t target_frame, bool with_roll) +Session::force_locate (framepos_t target_frame, bool with_roll) { - Event *ev = new Event (with_roll ? Event::LocateRoll : Event::Locate, Event::Add, Event::Immediate, target_frame, 0, true); + SessionEvent *ev = new SessionEvent (with_roll ? SessionEvent::LocateRoll : SessionEvent::Locate, SessionEvent::Add, SessionEvent::Immediate, target_frame, 0, true); + DEBUG_TRACE (DEBUG::Transport, string_compose ("Request forced locate to %1\n", target_frame)); queue_event (ev); } void -Session::request_play_loop (bool yn) +Session::request_play_loop (bool yn, bool leave_rolling) { - Event* ev; - Location *location = _locations.auto_loop_location(); + SessionEvent* ev; + Location *location = _locations->auto_loop_location(); if (location == 0 && yn) { error << _("Cannot loop - no loop range defined") @@ -120,62 +150,97 @@ Session::request_play_loop (bool yn) return; } - ev = new Event (Event::SetLoop, Event::Add, Event::Immediate, 0, 0.0, yn); + 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)); queue_event (ev); - if (!yn && Config->get_seamless_loop() && transport_rolling()) { - // request an immediate locate to refresh the diskstreams + 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); } } void -Session::realtime_stop (bool abort) +Session::request_play_range (list* range, bool leave_rolling) { + SessionEvent* ev = new SessionEvent (SessionEvent::SetPlayAudioRange, SessionEvent::Add, SessionEvent::Immediate, 0, (leave_rolling ? 1.0 : 0.0)); + if (range) { + ev->audio_range = *range; + } else { + ev->audio_range.clear (); + } + DEBUG_TRACE (DEBUG::Transport, string_compose ("Request play range, leave rolling ? %1\n", leave_rolling)); + queue_event (ev); +} + +void +Session::realtime_stop (bool abort, bool clear_state) +{ + DEBUG_TRACE (DEBUG::Transport, "realtime stop\n"); + PostTransportWork todo = PostTransportWork (0); + /* assume that when we start, we'll be moving forwards */ if (_transport_speed < 0.0f) { - post_transport_work = PostTransportWork (post_transport_work | PostTransportStop | PostTransportReverse); + todo = (PostTransportWork (todo | PostTransportStop | PostTransportReverse)); } else { - post_transport_work = PostTransportWork (post_transport_work | PostTransportStop); + todo = PostTransportWork (todo | PostTransportStop); } 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. + past that point to pick up delayed input (and/or to delick) */ -#ifndef LEAVE_TRANSPORT_UNADJUSTED - decrement_transport_position (_worst_output_latency); -#endif + if (_worst_output_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_output_latency - current_block_size)); + } else { + decrement_transport_position (current_block_size); + } /* the duration change is not guaranteed to have happened, but is likely */ - post_transport_work = PostTransportWork (post_transport_work | PostTransportDuration); + todo = PostTransportWork (todo | PostTransportDuration); } if (abort) { - post_transport_work = PostTransportWork (post_transport_work | PostTransportAbort); + todo = PostTransportWork (todo | PostTransportAbort); + } + + if (clear_state) { + todo = PostTransportWork (todo | PostTransportClearSubstate); } - _clear_event_type (Event::StopOnce); - _clear_event_type (Event::RangeStop); - _clear_event_type (Event::RangeLocate); + if (todo) { + add_post_transport_work (todo); + } - disable_record (true); + _clear_event_type (SessionEvent::StopOnce); + _clear_event_type (SessionEvent::RangeStop); + _clear_event_type (SessionEvent::RangeLocate); + /* 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)); + reset_slave_state (); - + _transport_speed = 0; + _target_transport_speed = 0; - if (Config->get_use_video_sync()) { + g_atomic_int_set (&_playback_load, 100); + g_atomic_int_set (&_capture_load, 100); + + if (config.get_use_video_sync()) { waiting_for_sync_offset = true; } - transport_sub_state = (Config->get_auto_return() ? AutoReturning : 0); + transport_sub_state = 0; } void @@ -183,30 +248,56 @@ Session::butler_transport_work () { restart: bool finished; + PostTransportWork ptw; boost::shared_ptr r = routes.reader (); - boost::shared_ptr dsl = diskstreams.reader(); - int on_entry = g_atomic_int_get (&butler_should_do_transport_work); + 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))); + + if (ptw & PostTransportAdjustPlaybackBuffering) { + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->adjust_playback_buffering (); + /* and refill those buffers ... */ + tr->non_realtime_locate (_transport_frame); + } + } + + } + + if (ptw & PostTransportAdjustCaptureBuffering) { + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->adjust_capture_buffering (); + } + } + } - if (post_transport_work & PostTransportCurveRealloc) { + if (ptw & PostTransportCurveRealloc) { for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { (*i)->curve_reallocate(); } } - if (post_transport_work & PostTransportInputChange) { - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - (*i)->non_realtime_input_change (); + if (ptw & PostTransportInputChange) { + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->non_realtime_input_change (); + } } } - if (post_transport_work & PostTransportSpeed) { + if (ptw & PostTransportSpeed) { non_realtime_set_speed (); } - if (post_transport_work & PostTransportReverse) { - + if (ptw & PostTransportReverse) { clear_clicks(); cumulative_rf_motion = 0; @@ -214,75 +305,93 @@ Session::butler_transport_work () /* don't seek if locate will take care of that in non_realtime_stop() */ - if (!(post_transport_work & PostTransportLocate)) { - - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if (!(*i)->hidden()) { - if ((*i)->speed() != 1.0f || (*i)->speed() != -1.0f) { - (*i)->seek ((nframes_t) (_transport_frame * (double) (*i)->speed())); - } - else { - (*i)->seek (_transport_frame); - } + if (!(ptw & PostTransportLocate)) { + + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && !tr->hidden()) { + tr->non_realtime_locate (_transport_frame); } - if (on_entry != g_atomic_int_get (&butler_should_do_transport_work)) { + if (on_entry != g_atomic_int_get (&_butler->should_do_transport_work)) { /* new request, stop seeking, and start again */ - g_atomic_int_dec_and_test (&butler_should_do_transport_work); + g_atomic_int_dec_and_test (&_butler->should_do_transport_work); goto restart; } } } } - if (post_transport_work & (PostTransportStop|PostTransportLocate)) { - non_realtime_stop (post_transport_work & PostTransportAbort, on_entry, finished); + if (ptw & PostTransportLocate) { + non_realtime_locate (); + } + + if (ptw & PostTransportStop) { + non_realtime_stop (ptw & PostTransportAbort, on_entry, finished); if (!finished) { - g_atomic_int_dec_and_test (&butler_should_do_transport_work); + g_atomic_int_dec_and_test (&_butler->should_do_transport_work); goto restart; } } - if (post_transport_work & PostTransportOverWrite) { + if (ptw & PostTransportOverWrite) { non_realtime_overwrite (on_entry, finished); if (!finished) { - g_atomic_int_dec_and_test (&butler_should_do_transport_work); + g_atomic_int_dec_and_test (&_butler->should_do_transport_work); goto restart; } } - if (post_transport_work & PostTransportAudition) { + if (ptw & PostTransportAudition) { non_realtime_set_audition (); } - - g_atomic_int_dec_and_test (&butler_should_do_transport_work); + + g_atomic_int_dec_and_test (&_butler->should_do_transport_work); + + DEBUG_TRACE (DEBUG::Transport, X_("Butler transport work all done\n")); } void Session::non_realtime_set_speed () { - boost::shared_ptr dsl = diskstreams.reader(); - - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - (*i)->non_realtime_set_speed (); + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->non_realtime_set_speed (); + } } } void Session::non_realtime_overwrite (int on_entry, bool& finished) { - boost::shared_ptr dsl = diskstreams.reader(); - - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if ((*i)->pending_overwrite) { - (*i)->overwrite_existing_buffers (); + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && tr->pending_overwrite ()) { + tr->overwrite_existing_buffers (); } - if (on_entry != g_atomic_int_get (&butler_should_do_transport_work)) { + if (on_entry != g_atomic_int_get (&_butler->should_do_transport_work)) { finished = false; return; } } } + +void +Session::non_realtime_locate () +{ + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->non_realtime_locate (_transport_frame); + } + } +} + + void Session::non_realtime_stop (bool abort, int on_entry, bool& finished) { @@ -290,21 +399,22 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) time_t xnow; bool did_record; bool saved; + PostTransportWork ptw = post_transport_work(); did_record = false; saved = false; - boost::shared_ptr dsl = diskstreams.reader(); - - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if ((*i)->get_captured_frames () != 0) { + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && tr->get_captured_frames () != 0) { did_record = true; break; } } /* stop and locate are merged here because they share a lot of common stuff */ - + time (&xnow); now = localtime (&xnow); @@ -318,119 +428,151 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) if (did_record) { begin_reversible_command ("capture"); - - Location* loc = _locations.end_location(); - bool change_end = false; - - if (_transport_frame < loc->end()) { - - /* stopped recording before current end */ - - if (_end_location_is_free) { - - /* first capture for this session, move end back to where we are */ + _have_captured = true; + } - change_end = true; - } + DEBUG_TRACE (DEBUG::Transport, X_("Butler PTW: DS stop\n")); - } else if (_transport_frame > loc->end()) { - - /* stopped recording after the current end, extend it */ + if (abort && did_record) { + /* no reason to save the session file when we remove sources + */ + _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup); + } - change_end = true; + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->transport_stopped_wallclock (*now, xnow, abort); } - - if (change_end) { - XMLNode &before = loc->get_state(); - loc->set_end(_transport_frame); - XMLNode &after = loc->get_state(); - add_command (new MementoCommand(*loc, &before, &after)); - } - - _end_location_is_free = false; - _have_captured = true; } - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - (*i)->transport_stopped (*now, xnow, abort); - } - + if (abort && did_record) { + _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup); + } + boost::shared_ptr r = routes.reader (); for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { - if (!(*i)->hidden()) { + if (!(*i)->is_hidden()) { (*i)->set_pending_declick (0); } } - + if (did_record) { commit_reversible_command (); - } - + } + if (_engine.running()) { update_latency_compensation (true, abort); } - if (Config->get_auto_return() || (post_transport_work & PostTransportLocate) || synced_to_jack()) { - + bool const auto_return_enabled = + (!config.get_external_sync() && config.get_auto_return()); + + if (auto_return_enabled || + (ptw & PostTransportLocate) || + (_requested_return_frame >= 0) || + synced_to_jack()) { + if (pending_locate_flush) { - flush_all_redirects (); + flush_all_inserts (); } - if ((Config->get_auto_return() || synced_to_jack()) && !(post_transport_work & PostTransportLocate)) { + if ((auto_return_enabled || synced_to_jack() || _requested_return_frame >= 0) && + !(ptw & PostTransportLocate)) { + + /* no explicit locate queued */ + + bool do_locate = false; + + if (_requested_return_frame >= 0) { + + /* 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(); + + if (location != 0) { + _transport_frame = location->start(); + } else { + _transport_frame = _last_roll_location; + } + do_locate = true; + } + + } else if (_play_range) { - _transport_frame = last_stop_frame; + /* return to start of range */ - if (synced_to_jack()) { + 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; + } + } + } + + _requested_return_frame = -1; + + if (do_locate) { _engine.transport_locate (_transport_frame); } } -#ifndef LEAVE_TRANSPORT_UNADJUSTED } -#endif - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if (!(*i)->hidden()) { - if ((*i)->speed() != 1.0f || (*i)->speed() != -1.0f) { - (*i)->seek ((nframes_t) (_transport_frame * (double) (*i)->speed())); - } - else { - (*i)->seek (_transport_frame); - } - } - if (on_entry != g_atomic_int_get (&butler_should_do_transport_work)) { - finished = false; - /* we will be back */ - return; - } - } -#ifdef LEAVE_TRANSPORT_UNADJUSTED - } -#endif + /* do this before seeking, because otherwise the tracks will do the wrong thing in seamless loop mode. + */ - last_stop_frame = _transport_frame; + if (ptw & PostTransportClearSubstate) { + _play_range = false; + unset_play_loop (); + } - send_full_time_code (); - deliver_mmc (MIDI::MachineControl::cmdStop, 0); - deliver_mmc (MIDI::MachineControl::cmdLocate, _transport_frame); + /* this for() block can be put inside the previous if() and has the effect of ... ??? what */ - if (did_record) { + 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())); + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && !tr->hidden()) { + tr->non_realtime_locate (_transport_frame); + } - /* XXX its a little odd that we're doing this here - when realtime_stop(), which has already executed, - will have done this. - */ - - if (!Config->get_latched_record_enable()) { - g_atomic_int_set (&_record_status, Disabled); - } else { - g_atomic_int_set (&_record_status, Enabled); + if (on_entry != g_atomic_int_get (&_butler->should_do_transport_work)) { + finished = false; + /* we will be back */ + return; } - RecordStateChanged (); /* emit signal */ } - - if ((post_transport_work & PostTransportLocate) && get_record_enabled()) { + + have_looped = false; + + send_full_time_code (_transport_frame); + MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdStop)); + send_mmc_locate (_transport_frame); + + if ((ptw & PostTransportLocate) && get_record_enabled()) { /* capture start has been changed, so save pending state */ save_state ("", true); saved = true; @@ -439,22 +581,16 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) /* always try to get rid of this */ remove_pending_capture_state (); - + /* save the current state of things if appropriate */ if (did_record && !saved) { save_state (_current_snapshot_name); } - if (post_transport_work & PostTransportDuration) { - DurationChanged (); /* EMIT SIGNAL */ - } - - if (post_transport_work & PostTransportStop) { + if (ptw & PostTransportStop) { _play_range = false; - - /* do not turn off autoloop on stop */ - + play_loop = false; } PositionChanged (_transport_frame); /* EMIT SIGNAL */ @@ -462,7 +598,7 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) /* and start it up again if relevant */ - if ((post_transport_work & PostTransportLocate) && Config->get_slave_source() == None && pending_locate_roll) { + if ((ptw & PostTransportLocate) && !config.get_external_sync() && pending_locate_roll) { request_transport_speed (1.0); pending_locate_roll = false; } @@ -476,7 +612,7 @@ Session::check_declick_out () /* 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 doing something else. this is where we do that "something else". - + note: called from the audio thread. */ @@ -492,101 +628,106 @@ Session::check_declick_out () } } +void +Session::unset_play_loop () +{ + play_loop = false; + clear_events (SessionEvent::AutoLoop); + + // set all tracks to NOT use internal looping + boost::shared_ptr rl = routes.reader (); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && !tr->hidden()) { + tr->set_loop (0); + } + } +} + void Session::set_play_loop (bool yn) { /* Called from event-handling context */ - - if ((actively_recording() && yn) || _locations.auto_loop_location() == 0) { + + Location *loc; + + if (yn == play_loop || (actively_recording() && yn) || (loc = _locations->auto_loop_location()) == 0) { + /* nothing to do, or can't change loop status while recording */ return; } - set_dirty(); - if (yn && Config->get_seamless_loop() && synced_to_jack()) { - warning << _("Seamless looping cannot be supported while Ardour is using JACK transport.\n" - "Recommend changing the configured options") + warning << string_compose (_("Seamless looping cannot be supported while %1 is using JACK transport.\n" + "Recommend changing the configured options"), PROGRAM_NAME) << endmsg; return; } - - if ((play_loop = yn)) { + if (yn) { - Location *loc; + play_loop = true; - - if ((loc = _locations.auto_loop_location()) != 0) { + if (loc) { + + unset_play_range (); if (Config->get_seamless_loop()) { - // set all diskstreams to use internal looping - boost::shared_ptr dsl = diskstreams.reader(); - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if (!(*i)->hidden()) { - (*i)->set_loop (loc); + // set all tracks to use internal looping + boost::shared_ptr rl = routes.reader (); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && !tr->hidden()) { + tr->set_loop (loc); } } } else { - // set all diskstreams to NOT use internal looping - boost::shared_ptr dsl = diskstreams.reader(); - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if (!(*i)->hidden()) { - (*i)->set_loop (0); + // set all tracks to NOT use internal looping + boost::shared_ptr rl = routes.reader (); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && !tr->hidden()) { + tr->set_loop (0); } } } - /* stick in the loop event */ + /* put the loop event into the event list */ - Event* event = new Event (Event::AutoLoop, Event::Replace, loc->end(), loc->start(), 0.0f); + SessionEvent* event = new SessionEvent (SessionEvent::AutoLoop, SessionEvent::Replace, loc->end(), loc->start(), 0.0f); merge_event (event); - /* locate to start of loop and roll if current pos is outside of the loop range */ - if (_transport_frame < loc->start() || _transport_frame > loc->end()) { - event = new Event (Event::LocateRoll, Event::Add, Event::Immediate, loc->start(), 0, !synced_to_jack()); - merge_event (event); - } - else { - // locate to current position (+ 1 to force reload) - event = new Event (Event::LocateRoll, Event::Add, Event::Immediate, _transport_frame + 1, 0, !synced_to_jack()); - merge_event (event); - } - } - + /* locate to start of loop and roll. If doing seamless loop, force a + locate+buffer refill even if we are positioned there already. + */ + start_locate (loc->start(), true, true, false, Config->get_seamless_loop()); + } } else { - clear_events (Event::AutoLoop); - // set all diskstreams to NOT use internal looping - boost::shared_ptr dsl = diskstreams.reader(); - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if (!(*i)->hidden()) { - (*i)->set_loop (0); - } - } - + unset_play_loop (); } -} + TransportStateChange (); +} void -Session::flush_all_redirects () +Session::flush_all_inserts () { boost::shared_ptr r = routes.reader (); for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { - (*i)->flush_redirects (); + (*i)->flush_processors (); } } void -Session::start_locate (nframes_t target_frame, bool with_roll, bool with_flush, bool with_loop) +Session::start_locate (framepos_t target_frame, bool with_roll, bool with_flush, bool with_loop, bool force) { if (synced_to_jack()) { - float sp; - nframes_t pos; + double sp; + framepos_t pos; _slave->speed_and_position (sp, pos); @@ -605,27 +746,55 @@ Session::start_locate (nframes_t target_frame, bool with_roll, bool with_flush, } } else { + locate (target_frame, with_roll, with_flush, with_loop, force); + } +} + +int +Session::micro_locate (framecnt_t distance) +{ + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && !tr->can_internal_playback_seek (distance)) { + return -1; + } + } - locate (target_frame, with_roll, with_flush, with_loop); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->internal_playback_seek (distance); + } } + + _transport_frame += distance; + return 0; } +/** @param with_mmc true to send a MMC locate command when the locate is done */ void -Session::locate (nframes_t target_frame, bool with_roll, bool with_flush, bool with_loop) +Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool with_loop, bool force, bool with_mmc) { - if (actively_recording()) { + if (actively_recording() && !with_loop) { return; } - if (_transport_frame == target_frame && !loop_changing && !with_loop) { + if (!force && _transport_frame == target_frame && !loop_changing && !with_loop) { if (with_roll) { set_transport_speed (1.0, false); } loop_changing = false; + Located (); /* EMIT SIGNAL */ return; } + // Update Timecode time + // [DR] FIXME: find out exactly where this should go below _transport_frame = target_frame; + timecode_time(_transport_frame, transmitting_timecode_time); + outbound_mtc_timecode_frame = _transport_frame; + next_quarter_frame_to_send = 0; if (_transport_speed && (!with_loop || loop_changing)) { /* schedule a declick. we'll be called again when its done */ @@ -636,35 +805,36 @@ Session::locate (nframes_t target_frame, bool with_roll, bool with_flush, bool w pending_locate_roll = with_roll; pending_locate_flush = with_flush; return; - } + } } - if (transport_rolling() && !Config->get_auto_play() && !with_roll && !(synced_to_jack() && play_loop)) { - realtime_stop (false); - } + if (transport_rolling() && (!auto_play_legal || !config.get_auto_play()) && !with_roll && !(synced_to_jack() && play_loop)) { + realtime_stop (false, true); // XXX paul - check if the 2nd arg is really correct + } - if ( !with_loop || loop_changing) { + if (force || !with_loop || loop_changing) { + + PostTransportWork todo = PostTransportLocate; - post_transport_work = PostTransportWork (post_transport_work | PostTransportLocate); - if (with_roll) { - post_transport_work = PostTransportWork (post_transport_work | PostTransportRoll); - } + todo = PostTransportWork (todo | PostTransportRoll); + } - schedule_butler_transport_work (); + add_post_transport_work (todo); + _butler->schedule_transport_work (); } else { /* this is functionally what clear_clicks() does but with a tentative lock */ Glib::RWLock::WriterLock clickm (click_lock, Glib::TRY_LOCK); - + if (clickm.locked()) { - + for (Clicks::iterator i = clicks.begin(); i != clicks.end(); ++i) { delete *i; } - + clicks.clear (); } } @@ -673,24 +843,25 @@ Session::locate (nframes_t target_frame, bool with_roll, bool with_flush, bool w /* switch from input if we're going to roll */ if (Config->get_monitoring_model() == HardwareMonitoring) { - boost::shared_ptr dsl = diskstreams.reader(); - - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if ((*i)->record_enabled ()) { + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && tr->record_enabled ()) { //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl; - (*i)->monitor_input (!Config->get_auto_input()); + tr->monitor_input (!config.get_auto_input()); } } } } else { /* otherwise we're going to stop, so do the opposite */ if (Config->get_monitoring_model() == HardwareMonitoring) { - boost::shared_ptr dsl = diskstreams.reader(); - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if ((*i)->record_enabled ()) { + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && tr->record_enabled ()) { //cerr << "switching to input" << __FILE__ << __LINE__ << endl << endl; - (*i)->monitor_input (true); + tr->monitor_input (true); } } } @@ -698,64 +869,107 @@ Session::locate (nframes_t target_frame, bool with_roll, bool with_flush, bool w /* cancel looped playback if transport pos outside of loop range */ if (play_loop) { - Location* al = _locations.auto_loop_location(); - + Location* al = _locations->auto_loop_location(); + if (al && (_transport_frame < al->start() || _transport_frame > al->end())) { // cancel looping directly, this is called from event handling context set_play_loop (false); } + else if (al && _transport_frame == al->start()) { + if (with_loop) { + // this is only necessary for seamless looping + + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && tr->record_enabled ()) { + // tell it we've looped, so it can deal with the record state + tr->transport_looped(_transport_frame); + } + } + } + have_looped = true; + TransportLooped(); // EMIT SIGNAL + } } - + loop_changing = false; + + _send_timecode_update = true; + + if (with_mmc) { + send_mmc_locate (_transport_frame); + } + + Located (); /* EMIT SIGNAL */ } +/** Set the transport speed. + * @param speed New speed + * @param abort + */ void -Session::set_transport_speed (float speed, bool abort) +Session::set_transport_speed (double speed, bool abort, bool clear_state) { + DEBUG_TRACE (DEBUG::Transport, string_compose ("Set transport speed to %1, abort = %2 clear_state = %3, current = %4\n", speed, abort, clear_state, _transport_speed)); + if (_transport_speed == speed) { return; } + _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 (8.0f, speed); + speed = min (8.0, speed); } else if (speed < 0) { - speed = max (-8.0f, speed); + speed = max (-8.0, speed); } if (transport_rolling() && speed == 0.0) { + /* we are rolling and we want to stop */ + if (Config->get_monitoring_model() == HardwareMonitoring) { - boost::shared_ptr dsl = diskstreams.reader(); - - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if ((*i)->record_enabled ()) { + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && tr->record_enabled ()) { //cerr << "switching to input" << __FILE__ << __LINE__ << endl << endl; - (*i)->monitor_input (true); + tr->monitor_input (true); } } } if (synced_to_jack ()) { + if (clear_state) { + /* do this here because our response to the slave won't + take care of it. + */ + _play_range = false; + unset_play_loop (); + } _engine.transport_stop (); } else { stop_transport (abort); } - + } else if (transport_stopped() && speed == 1.0) { - if (!get_record_enabled() && Config->get_stop_at_session_end() && _transport_frame >= current_end_frame()) { - return; - } + /* we are stopped and we want to start rolling at speed 1 */ if (Config->get_monitoring_model() == HardwareMonitoring) { - boost::shared_ptr dsl = diskstreams.reader(); - - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if (Config->get_auto_input() && (*i)->record_enabled ()) { + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (config.get_auto_input() && tr && tr->record_enabled ()) { //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl; - (*i)->monitor_input (false); + tr->monitor_input (false); } } } @@ -768,12 +982,9 @@ Session::set_transport_speed (float speed, bool abort) } else { - if (!get_record_enabled() && Config->get_stop_at_session_end() && _transport_frame >= current_end_frame()) { - return; - } - if ((synced_to_jack()) && speed != 0.0 && speed != 1.0) { - warning << _("Global varispeed cannot be supported while Ardour is connected to JACK transport control") + warning << string_compose (_("Global varispeed cannot be supported while %1 is connected to JACK transport control"), + PROGRAM_NAME) << endmsg; return; } @@ -782,51 +993,65 @@ Session::set_transport_speed (float speed, bool abort) return; } - if (speed > 0.0f && _transport_frame == current_end_frame()) { + if (speed > 0.0 && _transport_frame == current_end_frame()) { return; } - if (speed < 0.0f && _transport_frame == 0) { + if (speed < 0.0 && _transport_frame == 0) { return; } - + clear_clicks (); /* if we are reversing relative to the current speed, or relative to the speed before the last stop, then we have to do extra work. */ + + PostTransportWork todo = PostTransportWork (0); - if ((_transport_speed && speed * _transport_speed < 0.0f) || (_last_transport_speed * speed < 0.0f) || (_last_transport_speed == 0.0f && speed < 0.0f)) { - post_transport_work = PostTransportWork (post_transport_work | PostTransportReverse); + if ((_transport_speed && speed * _transport_speed < 0.0) || (_last_transport_speed * speed < 0.0) || (_last_transport_speed == 0.0f && speed < 0.0f)) { + todo = PostTransportWork (todo | PostTransportReverse); + _last_roll_or_reversal_location = _transport_frame; } - + _last_transport_speed = _transport_speed; _transport_speed = speed; - - boost::shared_ptr dsl = diskstreams.reader(); - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if ((*i)->realtime_set_speed ((*i)->speed(), true)) { - post_transport_work = PostTransportWork (post_transport_work | PostTransportSpeed); + + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && tr->realtime_set_speed (tr->speed(), true)) { + todo = PostTransportWork (todo | PostTransportSpeed); + break; } } - - if (post_transport_work & (PostTransportSpeed|PostTransportReverse)) { - schedule_butler_transport_work (); + + if (todo) { + add_post_transport_work (todo); + _butler->schedule_transport_work (); } } } + +/** Stop the transport. */ void -Session::stop_transport (bool abort) +Session::stop_transport (bool abort, bool clear_state) { if (_transport_speed == 0.0f) { return; } - - if (actively_recording() && !(transport_sub_state & StopPendingCapture) && - _worst_output_latency > current_block_size) - { - + + if (actively_recording() && !(transport_sub_state & StopPendingCapture) && _worst_output_latency > current_block_size) { + + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->prepare_to_stop (_transport_frame); + } + } + /* 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. @@ -834,111 +1059,130 @@ Session::stop_transport (bool abort) block before the actual end. we'll declick in the subsequent block, and then we'll really be stopped. */ - - Event *ev = new Event (Event::StopOnce, Event::Replace, + + SessionEvent *ev = new SessionEvent (SessionEvent::StopOnce, SessionEvent::Replace, _transport_frame + _worst_output_latency - current_block_size, 0, 0, abort); - + merge_event (ev); transport_sub_state |= StopPendingCapture; pending_abort = abort; return; - } + } if ((transport_sub_state & PendingDeclickOut) == 0) { + + if (!(transport_sub_state & StopPendingCapture)) { + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->prepare_to_stop (_transport_frame); + } + } + } + transport_sub_state |= PendingDeclickOut; /* we'll be called again after the declick */ pending_abort = abort; return; } - realtime_stop (abort); - schedule_butler_transport_work (); + realtime_stop (abort, clear_state); + _butler->schedule_transport_work (); } void Session::start_transport () { _last_roll_location = _transport_frame; + _last_roll_or_reversal_location = _transport_frame; + + have_looped = false; /* if record status is Enabled, move it to Recording. if its - already Recording, move it to Disabled. + already Recording, move it to Disabled. */ switch (record_status()) { case Enabled: - if (!Config->get_punch_in()) { + if (!config.get_punch_in()) { enable_record (); } break; case Recording: - disable_record (false); + if (!play_loop) { + disable_record (false); + } break; default: break; } - if (!synced_to_jack() || _exporting) { - actually_start_transport (); - } else { - waiting_to_start = true; - } -} - -void -Session::actually_start_transport () -{ - waiting_to_start = false; - transport_sub_state |= PendingDeclickIn; + _transport_speed = 1.0; - - boost::shared_ptr dsl = diskstreams.reader(); - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - (*i)->realtime_set_speed ((*i)->speed(), true); + _target_transport_speed = 1.0; + + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->realtime_set_speed (tr->speed(), true); + } + (*i)->automation_snapshot (_transport_frame, true); } - send_mmc_in_another_thread (MIDI::MachineControl::cmdDeferredPlay, 0); - + Timecode::Time time; + timecode_time_subframes (_transport_frame, time); + MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay)); + TransportStateChange (); /* EMIT SIGNAL */ } +/** Do any transport work in the audio thread that needs to be done after the + * transport thread is finished. Audio thread, realtime safe. + */ void Session::post_transport () { - if (post_transport_work & PostTransportAudition) { - if (auditioner && auditioner->active()) { + PostTransportWork ptw = post_transport_work (); + + if (ptw & PostTransportAudition) { + if (auditioner && auditioner->auditioning()) { process_function = &Session::process_audition; } else { process_function = &Session::process_with_events; } } - if (post_transport_work & PostTransportStop) { + if (ptw & PostTransportStop) { transport_sub_state = 0; } - if (post_transport_work & PostTransportLocate) { + if (ptw & PostTransportLocate) { - if ((Config->get_auto_play() && !_exporting) || (post_transport_work & PostTransportRoll)) { + if (((!config.get_external_sync() && (auto_play_legal && config.get_auto_play())) && !_exporting) || (ptw & PostTransportRoll)) { start_transport (); - + } else { transport_sub_state = 0; } } set_next_event (); - - post_transport_work = PostTransportWork (0); + /* XXX is this really safe? shouldn't we just be unsetting the bits that we actually + know were handled ? + */ + set_post_transport_work (PostTransportWork (0)); } void -Session::reset_rf_scale (nframes_t motion) +Session::reset_rf_scale (framecnt_t motion) { cumulative_rf_motion += motion; @@ -958,152 +1202,156 @@ Session::reset_rf_scale (nframes_t motion) } void -Session::set_slave_source (SlaveSource src) +Session::use_sync_source (Slave* new_slave) { - bool reverse = false; + /* Runs in process() context */ + bool non_rt_required = false; - if (_transport_speed) { - error << _("please stop the transport before adjusting slave settings") << endmsg; - return; - } + /* XXX this deletion is problematic because we're in RT context */ -// if (src == JACK && Config->get_jack_time_master()) { -// return; -// } - - if (_slave) { - delete _slave; - _slave = 0; + delete _slave; + _slave = new_slave; + + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr && !tr->hidden()) { + if (tr->realtime_set_speed (tr->speed(), true)) { + non_rt_required = true; + } + tr->set_slaved (_slave != 0); + } } - if (_transport_speed < 0.0) { - reverse = true; + 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 None: - stop_transport (); - break; - case MTC: - if (_mtc_port) { - try { - _slave = new MTC_Slave (*this, *_mtc_port); - } + if (_slave && dynamic_cast(_slave)) { + return; + } - catch (failed_constructor& err) { - return; - } + try { + new_slave = new MTC_Slave (*this, *MIDI::Manager::instance()->mtc_input_port()); + } - } else { - error << _("No MTC port defined: MTC slaving is impossible.") << endmsg; + catch (failed_constructor& err) { return; } - _desired_transport_speed = _transport_speed; break; + + case MIDIClock: + if (_slave && dynamic_cast(_slave)) { + return; + } + + try { + new_slave = new MIDIClock_Slave (*this, *MIDI::Manager::instance()->midi_clock_input_port(), 24); + } - case JACK: - _slave = new JACK_Slave (_engine.jack()); - _desired_transport_speed = _transport_speed; + catch (failed_constructor& err) { + return; + } break; - }; - Config->set_slave_source (src); - - boost::shared_ptr dsl = diskstreams.reader(); - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - if (!(*i)->hidden()) { - if ((*i)->realtime_set_speed ((*i)->speed(), true)) { - non_rt_required = true; - } - (*i)->set_slaved (_slave); + case JACK: + if (_slave && dynamic_cast(_slave)) { + return; } - } - if (reverse) { - reverse_diskstream_buffers (); - } + if (config.get_video_pullup() != 0.0f) { + return; + } - if (non_rt_required) { - post_transport_work = PostTransportWork (post_transport_work | PostTransportSpeed); - schedule_butler_transport_work (); - } + new_slave = new JACK_Slave (_engine.jack()); + break; + + default: + new_slave = 0; + break; + }; - set_dirty(); + request_sync_source (new_slave); } void -Session::reverse_diskstream_buffers () +Session::reverse_track_buffers () { - post_transport_work = PostTransportWork (post_transport_work | PostTransportReverse); - schedule_butler_transport_work (); + add_post_transport_work (PostTransportReverse); + _butler->schedule_transport_work (); } void -Session::set_diskstream_speed (Diskstream* stream, float speed) +Session::set_track_speed (Track* track, double speed) { - if (stream->realtime_set_speed (speed, false)) { - post_transport_work = PostTransportWork (post_transport_work | PostTransportSpeed); - schedule_butler_transport_work (); + if (track->realtime_set_speed (speed, false)) { + add_post_transport_work (PostTransportSpeed); + _butler->schedule_transport_work (); set_dirty (); } } void -Session::set_audio_range (list& range) +Session::unset_play_range () { - Event *ev = new Event (Event::SetAudioRange, Event::Add, Event::Immediate, 0, 0.0f); - ev->audio_range = range; - queue_event (ev); + _play_range = false; + _clear_event_type (SessionEvent::RangeStop); + _clear_event_type (SessionEvent::RangeLocate); } void -Session::request_play_range (bool yn) +Session::set_play_range (list& range, bool leave_rolling) { - Event* ev = new Event (Event::SetPlayRange, Event::Add, Event::Immediate, 0, 0.0f, yn); - queue_event (ev); -} + SessionEvent* ev; -void -Session::set_play_range (bool yn) -{ /* Called from event-processing context */ - if (_play_range != yn) { - _play_range = yn; - setup_auto_play (); - - if (!_play_range) { + unset_play_range (); + + if (range.empty()) { + /* _play_range set to false in unset_play_range() + */ + if (!leave_rolling) { /* stop transport */ - Event* ev = new Event (Event::SetTransportSpeed, Event::Add, Event::Immediate, 0, 0.0f, false); + SessionEvent* ev = new SessionEvent (SessionEvent::SetTransportSpeed, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0f, false); merge_event (ev); } + return; } -} -void -Session::setup_auto_play () -{ - /* Called from event-processing context */ - - Event* ev; - - _clear_event_type (Event::RangeStop); - _clear_event_type (Event::RangeLocate); + _play_range = true; - if (!_play_range) { - return; - } + /* cancel loop play */ + unset_play_loop (); - list::size_type sz = current_audio_range.size(); + list::size_type sz = range.size(); if (sz > 1) { - list::iterator i = current_audio_range.begin(); + list::iterator i = range.begin(); list::iterator next; - while (i != current_audio_range.end()) { + while (i != range.end()) { next = i; ++next; @@ -1111,7 +1359,7 @@ Session::setup_auto_play () /* locating/stopping is subject to delays for declicking. */ - nframes_t requested_frame = (*i).end; + framepos_t requested_frame = i->end; if (requested_frame > current_block_size) { requested_frame -= current_block_size; @@ -1119,10 +1367,10 @@ Session::setup_auto_play () requested_frame = 0; } - if (next == current_audio_range.end()) { - ev = new Event (Event::RangeStop, Event::Add, requested_frame, 0, 0.0f); + if (next == range.end()) { + ev = new SessionEvent (SessionEvent::RangeStop, SessionEvent::Add, requested_frame, 0, 0.0f); } else { - ev = new Event (Event::RangeLocate, Event::Add, requested_frame, (*next).start, 0.0f); + ev = new SessionEvent (SessionEvent::RangeLocate, SessionEvent::Add, requested_frame, (*next).start, 0.0f); } merge_event (ev); @@ -1131,25 +1379,39 @@ Session::setup_auto_play () } } else if (sz == 1) { - - ev = new Event (Event::RangeStop, Event::Add, current_audio_range.front().end, 0, 0.0f); + + ev = new SessionEvent (SessionEvent::RangeStop, SessionEvent::Add, range.front().end, 0, 0.0f); merge_event (ev); } + /* save range so we can do auto-return etc. */ + + current_audio_range = range; + /* now start rolling at the right place */ - - ev = new Event (Event::LocateRoll, Event::Add, Event::Immediate, current_audio_range.front().start, 0.0f, false); + + ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, SessionEvent::Immediate, range.front().start, 0.0f, false); merge_event (ev); + + TransportStateChange (); } void -Session::request_bounded_roll (nframes_t start, nframes_t end) +Session::request_bounded_roll (framepos_t start, framepos_t end) +{ + AudioRange ar (start, end, 0); + list lar; + + lar.push_back (ar); + request_play_range (&lar, true); +} +void +Session::request_roll_at_and_return (framepos_t start, framepos_t return_to) { - request_stop (); - Event *ev = new Event (Event::StopOnce, Event::Replace, end, Event::Immediate, 0.0); + SessionEvent *ev = new SessionEvent (SessionEvent::LocateRollLocate, SessionEvent::Add, SessionEvent::Immediate, return_to, 1.0); + ev->target2_frame = start; queue_event (ev); - request_locate (start, true); } void @@ -1160,15 +1422,15 @@ Session::engine_halted () /* there will be no more calls to process(), so we'd better clean up for ourselves, right now. - but first, make sure the butler is out of + but first, make sure the butler is out of the picture. */ - g_atomic_int_set (&butler_should_do_transport_work, 0); - post_transport_work = PostTransportWork (0); - stop_butler (); - - realtime_stop (false); + g_atomic_int_set (&_butler->should_do_transport_work, 0); + set_post_transport_work (PostTransportWork (0)); + _butler->stop (); + + realtime_stop (false, true); non_realtime_stop (false, 0, ignored); transport_sub_state = 0; @@ -1179,57 +1441,79 @@ Session::engine_halted () void Session::xrun_recovery () { - if (Config->get_stop_recording_on_xrun() && actively_recording()) { + Xrun (_transport_frame); //EMIT SIGNAL - HaltOnXrun (); /* EMIT SIGNAL */ + if (Config->get_stop_recording_on_xrun() && actively_recording()) { /* it didn't actually halt, but we need to handle things in the same way. */ engine_halted(); - } + } +} + +void +Session::route_processors_changed (RouteProcessorChange c) +{ + if (c.type == RouteProcessorChange::MeterPointChange) { + return; + } + + update_latency_compensation (false, false); + resort_routes (); } void Session::update_latency_compensation (bool with_stop, bool abort) { bool update_jack = false; + PostTransportWork ptw; if (_state_of_the_state & Deletion) { return; } _worst_track_latency = 0; + ptw = post_transport_work(); + +#undef DEBUG_LATENCY +#ifdef DEBUG_LATENCY + cerr << "\n---------------------------------\nUPDATE LATENCY\n"; +#endif boost::shared_ptr r = routes.reader (); for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + if (with_stop) { - (*i)->handle_transport_stopped (abort, (post_transport_work & PostTransportLocate), - (!(post_transport_work & PostTransportLocate) || pending_locate_flush)); + (*i)->handle_transport_stopped (abort, (ptw & PostTransportLocate), (!(ptw & PostTransportLocate) || pending_locate_flush)); } - nframes_t old_latency = (*i)->signal_latency (); - nframes_t track_latency = (*i)->update_total_latency (); + framecnt_t old_latency = (*i)->output()->signal_latency (); + framecnt_t track_latency = (*i)->update_total_latency (); if (old_latency != track_latency) { + (*i)->input()->update_port_total_latencies (); + (*i)->output()->update_port_total_latencies (); update_jack = true; } - - if (!(*i)->hidden() && ((*i)->active())) { + + if (!(*i)->is_hidden() && ((*i)->active())) { _worst_track_latency = max (_worst_track_latency, track_latency); } } - for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { - (*i)->set_latency_delay (_worst_track_latency); + if (update_jack) { + _engine.update_total_latencies (); } - /* tell JACK to play catch up */ +#ifdef DEBUG_LATENCY + cerr << "\tworst was " << _worst_track_latency << endl; +#endif - if (update_jack) { - _engine.update_total_latencies (); + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + (*i)->set_latency_delay (_worst_track_latency); } set_worst_io_latencies (); @@ -1237,15 +1521,73 @@ Session::update_latency_compensation (bool with_stop, bool abort) /* reflect any changes in latencies into capture offsets */ - boost::shared_ptr dsl = diskstreams.reader(); + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->set_capture_offset (); + } + } +} - for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) { - (*i)->set_capture_offset (); +void +Session::allow_auto_play (bool yn) +{ + auto_play_legal = yn; +} + +void +Session::reset_jack_connection (jack_client_t* jack) +{ + JACK_Slave* js; + + if (_slave && ((js = dynamic_cast (_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 ()) { + _engine.transport_stop (); + } else if (!synced_to_jack ()) { + stop_transport (); + } + return true; + } + return false; +} + void -Session::update_latency_compensation_proxy (void* ignored) +Session::send_mmc_locate (framepos_t t) { - update_latency_compensation (false, false); + Timecode::Time time; + timecode_time_subframes (t, time); + MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (time)); +} + +/** Ask the transport to not send timecode until further notice. The suspension + * will come into effect some finite time after this call, and timecode_transmission_suspended() + * should be checked by the caller to find out when. + */ +void +Session::request_suspend_timecode_transmission () +{ + SessionEvent* ev = new SessionEvent (SessionEvent::SetTimecodeTransmission, SessionEvent::Add, SessionEvent::Immediate, 0, 0, false); + queue_event (ev); +} + +void +Session::request_resume_timecode_transmission () +{ + SessionEvent* ev = new SessionEvent (SessionEvent::SetTimecodeTransmission, SessionEvent::Add, SessionEvent::Immediate, 0, 0, true); + queue_event (ev); +} + +bool +Session::timecode_transmission_suspended () const +{ + return g_atomic_int_get (&_suspend_timecode_transmission) == 1; }