X-Git-Url: https://main.carlh.net/gitweb/?p=ardour.git;a=blobdiff_plain;f=libs%2Fardour%2Fsession_transport.cc;h=8771af46aa7138df63c17c386571d89a52cb982e;hp=51d8d2c369f57fb2131bf4c3960ba85c75412a16;hb=c8c6bca6587450ff64303dbc994a4cd28d6ce7aa;hpb=46ee8154591467431bf7f69faaa8bed14a29684b diff --git a/libs/ardour/session_transport.cc b/libs/ardour/session_transport.cc index 51d8d2c369..8771af46aa 100644 --- a/libs/ardour/session_transport.cc +++ b/libs/ardour/session_transport.cc @@ -30,10 +30,10 @@ #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" @@ -41,11 +41,13 @@ #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; @@ -87,7 +89,7 @@ Session::request_sync_source (Slave* new_slave) seamless = Config->get_seamless_loop (); - if (dynamic_cast(new_slave)) { + if (dynamic_cast(new_slave)) { /* JACK cannot support seamless looping at present */ Config->set_seamless_loop (false); } else { @@ -107,7 +109,7 @@ void 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); } @@ -137,8 +139,8 @@ Session::request_track_speed (Track* tr, double speed) 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); } @@ -159,10 +161,17 @@ Session::force_locate (framepos_t target_frame, bool with_roll) } 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") @@ -170,14 +179,44 @@ Session::request_play_loop (bool yn, bool leave_rolling) 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); + } } } @@ -194,6 +233,14 @@ Session::request_play_range (list* range, bool leave_rolling) 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) { @@ -217,26 +264,11 @@ Session::realtime_stop (bool abort, bool clear_state) (*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); @@ -257,6 +289,10 @@ Session::realtime_stop (bool abort, bool clear_state) /* 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; @@ -284,18 +320,65 @@ Session::realtime_locate () void Session::butler_transport_work () { + /* Note: this function executes in the butler thread context */ + restart: bool finished; PostTransportWork ptw; boost::shared_ptr 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 tr = boost::dynamic_pointer_cast (*i); if (tr) { @@ -344,7 +427,7 @@ Session::butler_transport_work () /* 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); @@ -358,6 +441,7 @@ Session::butler_transport_work () } if (ptw & PostTransportLocate) { + DEBUG_TRACE (DEBUG::Transport, "nonrealtime locate invoked from BTW\n"); non_realtime_locate (); } @@ -383,7 +467,7 @@ Session::butler_transport_work () 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))); } @@ -419,11 +503,49 @@ Session::non_realtime_overwrite (int on_entry, bool& finished) void Session::non_realtime_locate () { - boost::shared_ptr 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 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). @@ -431,6 +553,105 @@ Session::non_realtime_locate () 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) @@ -499,6 +720,11 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) 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()) { @@ -509,19 +735,18 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) 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 */ @@ -532,46 +757,21 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) /* 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; } } @@ -590,31 +790,48 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) */ 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(_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); } } @@ -628,9 +845,8 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) * 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; } } @@ -642,12 +858,14 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished) /* 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 */ @@ -684,8 +902,10 @@ Session::check_declick_out () 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) { @@ -697,22 +917,42 @@ Session::check_declick_out () 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 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); + 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 */ @@ -723,7 +963,7 @@ Session::set_play_loop (bool yn) 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) @@ -734,30 +974,24 @@ Session::set_play_loop (bool yn) 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 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 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); - } + 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 @@ -771,12 +1005,24 @@ Session::set_play_loop (bool yn) 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 { @@ -798,9 +1044,14 @@ Session::flush_all_inserts () } 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; @@ -814,7 +1065,7 @@ Session::start_locate (framepos_t target_frame, bool with_roll, bool with_flush, 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 @@ -830,7 +1081,7 @@ Session::start_locate (framepos_t target_frame, bool with_roll, bool with_flush, } } else { - locate (target_frame, with_roll, with_flush, with_loop, force); + locate (target_frame, with_roll, with_flush, for_loop_enabled, force); } } @@ -858,30 +1109,38 @@ Session::micro_locate (framecnt_t distance) /** @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. @@ -897,12 +1156,9 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool } // 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: * @@ -915,7 +1171,8 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool 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 { @@ -923,7 +1180,7 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool realtime_locate (); } - if (force || !for_seamless_loop || loop_changing) { + if (force || !for_loop_enabled || loop_changing) { PostTransportWork todo = PostTransportLocate; @@ -932,7 +1189,7 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool } add_post_transport_work (todo); - _butler->schedule_transport_work (); + need_butler = true; } else { @@ -968,29 +1225,49 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool 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 rl = routes.reader(); + } - for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { - boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + boost::shared_ptr 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 tr = boost::dynamic_pointer_cast (*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); } } @@ -1000,6 +1277,10 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool } } + if (need_butler) { + _butler->schedule_transport_work (); + } + loop_changing = false; _send_timecode_update = true; @@ -1017,9 +1298,9 @@ Session::locate (framepos_t target_frame, bool with_roll, bool with_flush, bool * @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) { @@ -1031,7 +1312,7 @@ Session::set_transport_speed (double speed, bool abort, bool clear_state, bool a 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; } @@ -1056,7 +1337,7 @@ Session::set_transport_speed (double speed, bool abort, bool clear_state, bool a 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. @@ -1066,20 +1347,46 @@ Session::set_transport_speed (double speed, bool abort, bool clear_state, bool a } _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 (); @@ -1089,7 +1396,7 @@ Session::set_transport_speed (double speed, bool abort, bool clear_state, bool a /* 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) @@ -1117,7 +1424,7 @@ Session::set_transport_speed (double speed, bool abort, bool clear_state, bool a 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; } @@ -1143,7 +1450,28 @@ Session::set_transport_speed (double speed, bool abort, bool clear_state, bool a } 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; + } } } @@ -1156,59 +1484,81 @@ Session::stop_transport (bool abort, bool clear_state) 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 rl = routes.reader(); + framepos_t stop_target = audible_frame(); + 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); + 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 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); - } - } + 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 */ @@ -1260,7 +1610,7 @@ Session::start_transport () Timecode::Time time; timecode_time_subframes (_transport_frame, time); if (!dynamic_cast(_slave)) { - MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay)); + send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdDeferredPlay)); } } @@ -1325,6 +1675,20 @@ Session::reset_rf_scale (framecnt_t motion) } } +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) { @@ -1337,9 +1701,34 @@ Session::use_sync_source (Slave* new_slave) delete _slave; _slave = new_slave; + MTC_Slave* mtc_slave = dynamic_cast(_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 (_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 rl = routes.reader(); for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { @@ -1380,7 +1769,7 @@ Session::switch_to_sync_source (SyncSource src) } 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) { @@ -1409,7 +1798,7 @@ Session::switch_to_sync_source (SyncSource src) } 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) { @@ -1417,8 +1806,8 @@ Session::switch_to_sync_source (SyncSource src) } break; - case JACK: - if (_slave && dynamic_cast(_slave)) { + case Engine: + if (_slave && dynamic_cast(_slave)) { return; } @@ -1426,7 +1815,7 @@ Session::switch_to_sync_source (SyncSource src) return; } - new_slave = new JACK_Slave (_engine.jack()); + new_slave = new Engine_Slave (*AudioEngine::instance()); break; default: @@ -1543,6 +1932,13 @@ Session::request_bounded_roll (framepos_t start, framepos_t end) 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) { @@ -1564,8 +1960,6 @@ Session::engine_halted () */ if (_butler) { - g_atomic_int_set (&_butler->should_do_transport_work, 0); - set_post_transport_work (PostTransportWork (0)); _butler->stop (); } @@ -1581,6 +1975,8 @@ Session::engine_halted () void Session::xrun_recovery () { + ++_xrun_count; + Xrun (_transport_frame); /* EMIT SIGNAL */ if (Config->get_stop_recording_on_xrun() && actively_recording()) { @@ -1601,6 +1997,12 @@ Session::route_processors_changed (RouteProcessorChange c) } if (c.type == RouteProcessorChange::MeterPointChange) { + set_dirty (); + return; + } + + if (c.type == RouteProcessorChange::RealTimeChange) { + set_dirty (); return; } @@ -1616,23 +2018,13 @@ 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 ()) { + 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; @@ -1643,10 +2035,14 @@ Session::maybe_stop (framepos_t limit) 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)); } }