X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_process.cc;h=bd5cc664512b823b0fd597e538982bd05f4c4fe9;hb=2bf3cf2f8cbe5848adf680639b9cbc339a8a9a22;hp=2c41594d219d514e474b8335e3b82a5f4120c103;hpb=e61b5e23c436c0e54cd000c6326b70ad789f1c4a;p=ardour.git diff --git a/libs/ardour/session_process.cc b/libs/ardour/session_process.cc index 2c41594d21..bd5cc66451 100644 --- a/libs/ardour/session_process.cc +++ b/libs/ardour/session_process.cc @@ -25,25 +25,28 @@ #include "pbd/error.h" #include "pbd/enumwriter.h" -#include +#include -#include "ardour/ardour.h" #include "ardour/audioengine.h" #include "ardour/auditioner.h" #include "ardour/butler.h" +#include "ardour/cycle_timer.h" #include "ardour/debug.h" +#include "ardour/graph.h" +#include "ardour/port.h" #include "ardour/process_thread.h" #include "ardour/session.h" #include "ardour/slave.h" -#include "ardour/timestamps.h" -#include "ardour/graph.h" -#include "ardour/audio_port.h" +#include "ardour/ticker.h" +#include "ardour/types.h" #include "midi++/manager.h" #include "midi++/mmc.h" #include "i18n.h" +#include + using namespace ARDOUR; using namespace PBD; using namespace std; @@ -51,10 +54,11 @@ using namespace std; /** Called by the audio engine when there is work to be done with JACK. * @param nframes Number of frames to process. */ + void Session::process (pframes_t nframes) { - MIDI::Manager::instance()->cycle_start(nframes); + framepos_t transport_at_start = _transport_frame; _silent = false; @@ -75,17 +79,21 @@ Session::process (pframes_t nframes) _engine.main_thread()->drop_buffers (); - // the ticker is for sending time information like MidiClock - framepos_t transport_frames = transport_frame(); - Timecode::BBT_Time transport_bbt; - bbt_time(transport_frames, transport_bbt); - Timecode::Time transport_timecode; - timecode_time(transport_frames, transport_timecode); - tick (transport_frames, transport_bbt, transport_timecode); /* EMIT SIGNAL */ + /* deliver MIDI clock. Note that we need to use the transport frame + * position at the start of process(), not the value at the end of + * it. We may already have ticked() because of a transport state + * change, for example. + */ - SendFeedback (); /* EMIT SIGNAL */ + try { + if (!_engine.freewheeling() && Config->get_send_midi_clock() && transport_speed() == 1.0f && midi_clock->has_midi_port()) { + midi_clock->tick (transport_at_start); + } + } catch (...) { + /* don't bother with a message */ + } - MIDI::Manager::instance()->cycle_end(); + SendFeedback (); /* EMIT SIGNAL */ } int @@ -97,115 +105,129 @@ Session::fail_roll (pframes_t nframes) int Session::no_roll (pframes_t nframes) { + PT_TIMING_CHECK (4); + framepos_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ?? int ret = 0; - bool declick = get_transport_declick_required(); + int declick = get_transport_declick_required(); boost::shared_ptr r = routes.reader (); if (_click_io) { _click_io->silence (nframes); } - if (route_graph->threads_in_use() > 1) { - DEBUG_TRACE(DEBUG::Graph,"calling graph/no-roll\n"); - route_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), actively_recording(), declick); - } else { - for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { - - if ((*i)->is_hidden()) { - continue; - } - - (*i)->set_pending_declick (declick); - - if ((*i)->no_roll (nframes, _transport_frame, end_frame, non_realtime_work_pending(), - actively_recording(), declick)) { - error << string_compose(_("Session: error in no roll for %1"), (*i)->name()) << endmsg; - ret = -1; - break; - } - } - } +#ifdef HAVE_LTC + ltc_tx_send_time_code_for_cycle (_transport_frame, end_frame, _target_transport_speed, _transport_speed, nframes); +#endif + + if (_process_graph) { + DEBUG_TRACE(DEBUG::ProcessThreads,"calling graph/no-roll\n"); + _process_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), declick); + } else { + PT_TIMING_CHECK (10); + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + + if ((*i)->is_hidden()) { + continue; + } + + (*i)->set_pending_declick (declick); + + if ((*i)->no_roll (nframes, _transport_frame, end_frame, non_realtime_work_pending())) { + error << string_compose(_("Session: error in no roll for %1"), (*i)->name()) << endmsg; + ret = -1; + break; + } + } + PT_TIMING_CHECK (11); + } + PT_TIMING_CHECK (5); return ret; } +/** @param need_butler to be set to true by this method if it needs the butler, + * otherwise it must be left alone. + */ int Session::process_routes (pframes_t nframes, bool& need_butler) { - bool record_active; - int declick = get_transport_declick_required(); - bool rec_monitors = get_rec_monitors_input(); - boost::shared_ptr r = routes.reader (); - - if (transport_sub_state & StopPendingCapture) { - /* force a declick out */ - declick = -1; - } - - record_active = actively_recording(); // || (get_record_enabled() && get_punch_in()); - - const framepos_t start_frame = _transport_frame; - const framepos_t end_frame = _transport_frame + floor (nframes * _transport_speed); - - if (route_graph->threads_in_use() > 1) { - DEBUG_TRACE(DEBUG::Graph,"calling graph/process-routes\n"); - route_graph->process_routes( nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler); - } else { - - for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { - - int ret; - - if ((*i)->is_hidden()) { - continue; - } - - (*i)->set_pending_declick (declick); - - if ((ret = (*i)->roll (nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler)) < 0) { - stop_transport (); - return -1; - } - } - } + int declick = get_transport_declick_required(); + boost::shared_ptr r = routes.reader (); + + if (transport_sub_state & StopPendingCapture) { + /* force a declick out */ + declick = -1; + } + + const framepos_t start_frame = _transport_frame; + const framepos_t end_frame = _transport_frame + floor (nframes * _transport_speed); + + if (_process_graph) { + DEBUG_TRACE(DEBUG::ProcessThreads,"calling graph/process-routes\n"); + _process_graph->process_routes (nframes, start_frame, end_frame, declick, need_butler); + } else { + + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + + int ret; + + if ((*i)->is_hidden()) { + continue; + } + + (*i)->set_pending_declick (declick); + + bool b = false; + + if ((ret = (*i)->roll (nframes, start_frame, end_frame, declick, b)) < 0) { + stop_transport (); + return -1; + } + + if (b) { + need_butler = true; + } + } + } return 0; } +/** @param need_butler to be set to true by this method if it needs the butler, + * otherwise it must be left alone. + */ int Session::silent_process_routes (pframes_t nframes, bool& need_butler) { - bool record_active = actively_recording(); - int declick = get_transport_declick_required(); - bool rec_monitors = get_rec_monitors_input(); boost::shared_ptr r = routes.reader (); - if (transport_sub_state & StopPendingCapture) { - /* force a declick out */ - declick = -1; - } - const framepos_t start_frame = _transport_frame; const framepos_t end_frame = _transport_frame + lrintf(nframes * _transport_speed); - if (route_graph->threads_in_use() > 1) { - route_graph->silent_process_routes( nframes, start_frame, end_frame, record_active, rec_monitors, need_butler); - } else { - for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { - - int ret; - - if ((*i)->is_hidden()) { - continue; - } - - if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, record_active, rec_monitors, need_butler)) < 0) { - stop_transport (); - return -1; - } - } - } + if (_process_graph) { + _process_graph->silent_process_routes (nframes, start_frame, end_frame, need_butler); + } else { + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + + int ret; + + if ((*i)->is_hidden()) { + continue; + } + + bool b = false; + + if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, b)) < 0) { + stop_transport (); + return -1; + } + + if (b) { + need_butler = true; + } + } + } return 0; } @@ -241,11 +263,12 @@ Session::get_track_statistics () void Session::process_with_events (pframes_t nframes) { + PT_TIMING_CHECK (3); + SessionEvent* ev; pframes_t this_nframes; framepos_t end_frame; bool session_needs_butler = false; - framepos_t stop_limit; framecnt_t frames_moved; /* make sure the auditioner is silent */ @@ -282,12 +305,12 @@ Session::process_with_events (pframes_t nframes) _transport_speed >= (1 - tolerance) && _transport_speed <= (1 + tolerance) ); - + if (_send_qf_mtc && !was_sending_qf_mtc) { /* we will re-start quarter-frame MTC this cycle, so send a full update to set things up */ _send_timecode_update = true; } - + if (Config->get_send_mtc() && !_send_qf_mtc && _pframes_since_last_mtc > (frame_rate () / 4)) { /* we're sending MTC, but we're not sending QF MTC at the moment, and it's been a quarter of a second since we sent anything at all, so send a full MTC update @@ -295,10 +318,10 @@ Session::process_with_events (pframes_t nframes) */ _send_timecode_update = true; } - + _pframes_since_last_mtc += nframes; } - + /* Events caused a transport change (or we re-started sending * MTC), so send an MTC Full Frame (Timecode) message. This * is sent whether rolling or not, to give slaves an idea of @@ -322,8 +345,8 @@ Session::process_with_events (pframes_t nframes) if (_transport_speed == 1.0) { frames_moved = (framecnt_t) nframes; } else { - interpolation.set_target_speed (fabs(_target_transport_speed)); - interpolation.set_speed (fabs(_transport_speed)); + interpolation.set_target_speed (_target_transport_speed); + interpolation.set_speed (_transport_speed); frames_moved = (framecnt_t) interpolation.interpolate (0, nframes, 0, 0); } @@ -353,16 +376,7 @@ Session::process_with_events (pframes_t nframes) send_midi_time_code_for_cycle (_transport_frame, end_frame, nframes); } - if (actively_recording()) { - stop_limit = max_framepos; - } else { - - if (Config->get_stop_at_session_end()) { - stop_limit = current_end_frame(); - } else { - stop_limit = max_framepos; - } - } + framepos_t stop_limit = compute_stop_limit (); if (maybe_stop (stop_limit)) { no_roll (nframes); @@ -436,7 +450,6 @@ Session::process_with_events (pframes_t nframes) /* this is necessary to handle the case of seamless looping */ end_frame = _transport_frame + floor (nframes * _transport_speed); - } set_next_event (); @@ -504,7 +517,7 @@ Session::follow_slave (pframes_t nframes) slave_speed = 0.0f; } - if (_slave->is_always_synced() || config.get_timecode_source_is_synced()) { + if (_slave->is_always_synced() || Config->get_timecode_source_is_synced()) { /* if the TC source is synced, then we assume that its speed is binary: 0.0 or 1.0 @@ -530,9 +543,9 @@ Session::follow_slave (pframes_t nframes) DEBUG_TRACE (DEBUG::Slave, string_compose ("slave state %1 @ %2 speed %3 cur delta %4 avg delta %5\n", _slave_state, slave_transport_frame, slave_speed, this_delta, average_slave_delta)); - - if (_slave_state == Running && !_slave->is_always_synced() && !config.get_timecode_source_is_synced()) { + + if (_slave_state == Running && !_slave->is_always_synced() && !Config->get_timecode_source_is_synced()) { if (_transport_speed != 0.0f) { @@ -557,11 +570,11 @@ Session::follow_slave (pframes_t nframes) slave_speed, _transport_speed, _transport_frame, - slave_transport_frame, + slave_transport_frame, average_slave_delta)); } #endif - + if (_slave->give_slave_full_control_over_transport_speed()) { set_transport_speed (slave_speed, false, false); //std::cout << "set speed = " << slave_speed << "\n"; @@ -572,9 +585,9 @@ Session::follow_slave (pframes_t nframes) delta, adjusted_speed, adjusted_speed/slave_speed, _transport_speed, slave_speed)); } - + #if 1 - if ((framecnt_t) abs(average_slave_delta) > _slave->resolution()) { + if (!actively_recording() && (framecnt_t) abs(average_slave_delta) > _slave->resolution()) { cerr << "average slave delta greater than slave resolution (" << _slave->resolution() << "), going to silent motion\n"; goto silent_motion; } @@ -627,7 +640,7 @@ Session::calculate_moving_average_of_slave_delta (int dir, framecnt_t this_delta } void -Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta) +Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t /*this_delta*/) { if (slave_speed != 0.0f) { @@ -644,7 +657,10 @@ Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, } else { - _slave_state = Running; + DEBUG_TRACE (DEBUG::Slave, string_compose ("slave stopped -> running at %1\n", slave_transport_frame)); + + memset (delta_accumulator, 0, sizeof (int32_t) * delta_accumulator_size); + average_slave_delta = 0L; Location* al = _locations->auto_loop_location(); @@ -654,8 +670,10 @@ Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, } if (slave_transport_frame != _transport_frame) { + DEBUG_TRACE (DEBUG::Slave, string_compose ("require locate to run. eng: %1 -> sl: %2\n", _transport_frame, slave_transport_frame)); locate (slave_transport_frame, false, false); } + _slave_state = Running; } break; @@ -704,10 +722,6 @@ Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, cerr << "cannot micro-seek\n"; /* XXX what? */ } - - memset (delta_accumulator, 0, sizeof (int32_t) * delta_accumulator_size); - average_slave_delta = 0L; - this_delta = 0; } } @@ -730,7 +744,7 @@ Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, force_locate (slave_transport_frame, false); } - _slave_state = Stopped; + reset_slave_state(); } } @@ -760,19 +774,8 @@ Session::follow_slave_silently (pframes_t nframes, float slave_speed) } else { increment_transport_position (frames_moved); } - - framepos_t stop_limit; - - if (actively_recording()) { - stop_limit = max_framepos; - } else { - if (Config->get_stop_at_session_end()) { - stop_limit = current_end_frame(); - } else { - stop_limit = max_framepos; - } - } + framepos_t const stop_limit = compute_stop_limit (); maybe_stop (stop_limit); } } @@ -781,7 +784,6 @@ void Session::process_without_events (pframes_t nframes) { bool session_needs_butler = false; - framepos_t stop_limit; framecnt_t frames_moved; if (!process_can_proceed()) { @@ -791,6 +793,9 @@ Session::process_without_events (pframes_t nframes) if (!_exporting && _slave) { if (!follow_slave (nframes)) { +#ifdef HAVE_LTC + ltc_tx_send_time_code_for_cycle (_transport_frame, _transport_frame, 0, 0 , nframes); +#endif return; } } @@ -803,24 +808,20 @@ Session::process_without_events (pframes_t nframes) if (_transport_speed == 1.0) { frames_moved = (framecnt_t) nframes; } else { - interpolation.set_target_speed (fabs(_target_transport_speed)); - interpolation.set_speed (fabs(_transport_speed)); + interpolation.set_target_speed (_target_transport_speed); + interpolation.set_speed (_transport_speed); frames_moved = (framecnt_t) interpolation.interpolate (0, nframes, 0, 0); } - + if (!_exporting && !timecode_transmission_suspended()) { send_midi_time_code_for_cycle (_transport_frame, _transport_frame + frames_moved, nframes); } - if (actively_recording()) { - stop_limit = max_framepos; - } else { - if (Config->get_stop_at_session_end()) { - stop_limit = current_end_frame(); - } else { - stop_limit = max_framepos; - } - } +#ifdef HAVE_LTC + ltc_tx_send_time_code_for_cycle (_transport_frame, _transport_frame + frames_moved, _target_transport_speed, _transport_speed, nframes); +#endif + + framepos_t const stop_limit = compute_stop_limit (); if (maybe_stop (stop_limit)) { fail_roll (nframes); @@ -840,16 +841,6 @@ Session::process_without_events (pframes_t nframes) get_track_statistics (); - /* XXX: I'm not sure whether this is correct, but at least it - matches process_with_events, so that this new frames_moved - is -ve when transport speed is -ve. This means that the - transport position is updated correctly when we are in - reverse. It seems a bit wrong that we're not using the - interpolator to compute this. - */ - - frames_moved = (framecnt_t) floor (_transport_speed * nframes); - if (frames_moved < 0) { decrement_transport_position (-frames_moved); } else { @@ -885,12 +876,12 @@ Session::process_audition (pframes_t nframes) _butler->summon (); } - /* if using a monitor section, run it because otherwise we don't hear anything */ + /* if using a monitor section, run it because otherwise we don't hear anything */ + + if (auditioner->needs_monitor()) { + _monitor_out->passthru (_transport_frame, _transport_frame + nframes, nframes, false); + } - if (auditioner->needs_monitor()) { - _monitor_out->passthru (_transport_frame, _transport_frame + nframes, nframes, false); - } - /* handle pending events */ while (pending_events.read (&ev, 1) == 1) { @@ -932,7 +923,7 @@ Session::maybe_sync_start (pframes_t & nframes) no_roll (sync_offset); nframes -= sync_offset; - AudioPort::increment_port_offset (sync_offset); + Port::increment_global_port_buffer_offset (sync_offset); waiting_for_sync_offset = false; if (nframes == 0) { @@ -1027,18 +1018,32 @@ Session::process_event (SessionEvent* ev) case SessionEvent::AutoLoop: if (play_loop) { + /* roll after locate, do not flush, set "with loop" + true only if we are seamless looping + */ start_locate (ev->target_frame, true, false, Config->get_seamless_loop()); } remove = false; del = false; break; + case SessionEvent::AutoLoopDeclick: + if (play_loop) { + /* Request a declick fade-out and a fade-in; the fade-out will happen + at the end of the loop, and the fade-in at the start. + */ + transport_sub_state |= (PendingLoopDeclickOut | PendingLoopDeclickIn); + } + remove = false; + del = false; + break; + case SessionEvent::Locate: if (ev->yes_or_no) { - // cerr << "forced locate to " << ev->target_frame << endl; + /* args: do not roll after locate, do flush, not with loop */ locate (ev->target_frame, false, true, false); } else { - // cerr << "soft locate to " << ev->target_frame << endl; + /* args: do not roll after locate, do flush, not with loop */ start_locate (ev->target_frame, false, true, false); } _send_timecode_update = true; @@ -1046,10 +1051,10 @@ Session::process_event (SessionEvent* ev) case SessionEvent::LocateRoll: if (ev->yes_or_no) { - // cerr << "forced locate to+roll " << ev->target_frame << endl; + /* args: roll after locate, do flush, not with loop */ locate (ev->target_frame, true, true, false); } else { - // cerr << "soft locate to+roll " << ev->target_frame << endl; + /* args: roll after locate, do flush, not with loop */ start_locate (ev->target_frame, true, true, false); } _send_timecode_update = true; @@ -1063,7 +1068,7 @@ Session::process_event (SessionEvent* ev) case SessionEvent::SetTransportSpeed: - set_transport_speed (ev->speed, ev->yes_or_no, ev->second_yes_or_no); + set_transport_speed (ev->speed, ev->yes_or_no, ev->second_yes_or_no, ev->third_yes_or_no); break; case SessionEvent::PunchIn: @@ -1102,6 +1107,7 @@ Session::process_event (SessionEvent* ev) break; case SessionEvent::RangeLocate: + /* args: roll after locate, do flush, not with loop */ start_locate (ev->target_frame, true, true, false); remove = false; del = false; @@ -1116,6 +1122,7 @@ Session::process_event (SessionEvent* ev) break; case SessionEvent::SetSyncSource: + DEBUG_TRACE (DEBUG::Slave, "seen request for new slave\n"); use_sync_source (ev->slave); break; @@ -1139,13 +1146,13 @@ Session::process_event (SessionEvent* ev) del = false; // other side of RT request needs to clean up break; - case SessionEvent::AdjustPlaybackBuffering: - schedule_playback_buffering_adjustment (); - break; + case SessionEvent::AdjustPlaybackBuffering: + schedule_playback_buffering_adjustment (); + break; - case SessionEvent::AdjustCaptureBuffering: - schedule_capture_buffering_adjustment (); - break; + case SessionEvent::AdjustCaptureBuffering: + schedule_capture_buffering_adjustment (); + break; case SessionEvent::SetTimecodeTransmission: g_atomic_int_set (&_suspend_timecode_transmission, ev->yes_or_no ? 0 : 1); @@ -1166,3 +1173,26 @@ Session::process_event (SessionEvent* ev) } } +framepos_t +Session::compute_stop_limit () const +{ + if (!Config->get_stop_at_session_end ()) { + return max_framepos; + } + + bool const punching_in = (config.get_punch_in () && _locations->auto_punch_location()); + bool const punching_out = (config.get_punch_out () && _locations->auto_punch_location()); + + if (actively_recording ()) { + /* permanently recording */ + return max_framepos; + } else if (punching_in && !punching_out) { + /* punching in but never out */ + return max_framepos; + } else if (punching_in && punching_out && _locations->auto_punch_location()->end() > current_end_frame()) { + /* punching in and punching out after session end */ + return max_framepos; + } + + return current_end_frame (); +}