X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_midi.cc;h=87b9e5e8617c44755a8f46c089151199ec88f5e3;hb=2e3e18320489c0da6e3172af4c6df6ca8d693c29;hp=6c0c48f50ec18b6f3e1585f6bae61ab244671872;hpb=015fc7b39fab97cee1875231694adce43155ceb5;p=ardour.git diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc index 6c0c48f50e..87b9e5e861 100644 --- a/libs/ardour/session_midi.cc +++ b/libs/ardour/session_midi.cc @@ -1,4 +1,3 @@ - /* Copyright (C) 1999-2002 Paul Davis @@ -23,38 +22,39 @@ #include #include #include -#include -#include #include +#include + #include "midi++/mmc.h" #include "midi++/port.h" -#include "midi++/manager.h" + #include "pbd/error.h" -#include #include "pbd/pthread_utils.h" +#include "pbd/timersub.h" +#include "pbd/stacktrace.h" + +#include "temporal/time.h" -#include "ardour/configuration.h" -#include "ardour/audioengine.h" -#include "ardour/session.h" #include "ardour/audio_track.h" +#include "ardour/audioengine.h" +#include "ardour/debug.h" +#include "ardour/midi_port.h" #include "ardour/midi_track.h" -#include "ardour/audio_diskstream.h" -#include "ardour/slave.h" -#include "ardour/cycles.h" -#include "ardour/smpte.h" +#include "ardour/midi_ui.h" +#include "ardour/profile.h" +#include "ardour/session.h" +#include "ardour/transport_master.h" +#include "ardour/ticker.h" -#include "i18n.h" +#include "pbd/i18n.h" using namespace std; using namespace ARDOUR; using namespace PBD; using namespace MIDI; - -MachineControl::CommandSignature MMC_CommandSignature; -MachineControl::ResponseSignature MMC_ResponseSignature; - +using namespace Glib; void Session::midi_panic() @@ -71,415 +71,13 @@ Session::midi_panic() } } -int -Session::use_config_midi_ports () -{ - string port_name; - - if (default_mmc_port) { - set_mmc_port (default_mmc_port->name()); - } else { - set_mmc_port (""); - } - - if (default_mtc_port) { - set_mtc_port (default_mtc_port->name()); - } else { - set_mtc_port (""); - } - - if (default_midi_port) { - set_midi_port (default_midi_port->name()); - } else { - set_midi_port (""); - } - - if (default_midi_clock_port) { - set_midi_clock_port (default_midi_clock_port->name()); - } else { - set_midi_clock_port (""); - } - - return 0; -} - - -/*********************************************************************** - MTC, MMC, etc. -**********************************************************************/ - -int -Session::set_mtc_port (string port_tag) -{ - MTC_Slave *ms; - - if (port_tag.length() == 0) { - - if (_slave && ((ms = dynamic_cast (_slave)) != 0)) { - error << _("Ardour is slaved to MTC - port cannot be reset") << endmsg; - return -1; - } - - if (_mtc_port == 0) { - return 0; - } - - _mtc_port = 0; - goto out; - } - - MIDI::Port* port; - - if ((port = MIDI::Manager::instance()->port (port_tag)) == 0) { - error << string_compose (_("unknown port %1 requested for MTC"), port_tag) << endl; - return -1; - } - - _mtc_port = port; - - if (_slave && ((ms = dynamic_cast (_slave)) != 0)) { - ms->rebind (*port); - } - - Config->set_mtc_port_name (port_tag); - - out: - MTC_PortChanged(); /* EMIT SIGNAL */ - change_midi_ports (); - set_dirty(); - return 0; -} - -void -Session::set_mmc_receive_device_id (uint32_t device_id) -{ - if (mmc) { - mmc->set_receive_device_id (device_id); - } -} - -void -Session::set_mmc_send_device_id (uint32_t device_id) -{ - if (mmc) { - mmc->set_send_device_id (device_id); - } -} - -int -Session::set_mmc_port (string port_tag) -{ - MIDI::byte old_recv_device_id = 0; - MIDI::byte old_send_device_id = 0; - bool reset_id = false; - - if (port_tag.length() == 0) { - if (_mmc_port == 0) { - return 0; - } - _mmc_port = 0; - goto out; - } - - MIDI::Port* port; - - if ((port = MIDI::Manager::instance()->port (port_tag)) == 0) { - return -1; - } - - _mmc_port = port; - - if (mmc) { - old_recv_device_id = mmc->receive_device_id(); - old_recv_device_id = mmc->send_device_id(); - reset_id = true; - delete mmc; - } - - mmc = new MIDI::MachineControl (*_mmc_port, 1.0, - MMC_CommandSignature, - MMC_ResponseSignature); - - if (reset_id) { - mmc->set_receive_device_id (old_recv_device_id); - mmc->set_send_device_id (old_send_device_id); - } - - mmc->Play.connect - (mem_fun (*this, &Session::mmc_deferred_play)); - mmc->DeferredPlay.connect - (mem_fun (*this, &Session::mmc_deferred_play)); - mmc->Stop.connect - (mem_fun (*this, &Session::mmc_stop)); - mmc->FastForward.connect - (mem_fun (*this, &Session::mmc_fast_forward)); - mmc->Rewind.connect - (mem_fun (*this, &Session::mmc_rewind)); - mmc->Pause.connect - (mem_fun (*this, &Session::mmc_pause)); - mmc->RecordPause.connect - (mem_fun (*this, &Session::mmc_record_pause)); - mmc->RecordStrobe.connect - (mem_fun (*this, &Session::mmc_record_strobe)); - mmc->RecordExit.connect - (mem_fun (*this, &Session::mmc_record_exit)); - mmc->Locate.connect - (mem_fun (*this, &Session::mmc_locate)); - mmc->Step.connect - (mem_fun (*this, &Session::mmc_step)); - mmc->Shuttle.connect - (mem_fun (*this, &Session::mmc_shuttle)); - mmc->TrackRecordStatusChange.connect - (mem_fun (*this, &Session::mmc_record_enable)); - - - /* also handle MIDI SPP because its so common */ - - _mmc_port->input()->start.connect (mem_fun (*this, &Session::spp_start)); - _mmc_port->input()->contineu.connect (mem_fun (*this, &Session::spp_continue)); - _mmc_port->input()->stop.connect (mem_fun (*this, &Session::spp_stop)); - - Config->set_mmc_port_name (port_tag); - - out: - MMC_PortChanged(); /* EMIT SIGNAL */ - change_midi_ports (); - set_dirty(); - return 0; -} - -int -Session::set_midi_port (string port_tag) -{ -#if 0 - if (port_tag.length() == 0) { - if (_midi_port == 0) { - return 0; - } - _midi_port = 0; - goto out; - } - - MIDI::Port* port; - - if ((port = MIDI::Manager::instance()->port (port_tag)) == 0) { - return -1; - } - - _midi_port = port; - - /* XXX need something to forward this to control protocols ? or just - use the signal below - */ - - Config->set_midi_port_name (port_tag); - - out: -#endif - MIDI_PortChanged(); /* EMIT SIGNAL */ - change_midi_ports (); - set_dirty(); - return 0; -} - -int -Session::set_midi_clock_port (string port_tag) -{ - MIDIClock_Slave *ms; - - if (port_tag.length() == 0) { - - if (_slave && ((ms = dynamic_cast (_slave)) != 0)) { - error << _("Ardour is slaved to MIDI Clock - port cannot be reset") << endmsg; - return -1; - } - - if (_midi_clock_port == 0) { - return 0; - } - - _midi_clock_port = 0; - goto out; - } - - MIDI::Port* port; - - if ((port = MIDI::Manager::instance()->port (port_tag)) == 0) { - error << string_compose (_("unknown port %1 requested for MIDI Clock"), port_tag) << endl; - return -1; - } - - _midi_clock_port = port; - - if (_slave && ((ms = dynamic_cast (_slave)) != 0)) { - ms->rebind (*port); - } - - Config->set_midi_clock_port_name (port_tag); - - out: - MIDIClock_PortChanged(); /* EMIT SIGNAL */ - change_midi_ports (); - set_dirty(); - return 0; -} - -void -Session::set_trace_midi_input (bool yn, MIDI::Port* port) -{ - MIDI::Parser* input_parser; - - cerr << "enabling tracing: " << yn << " for input port " << port->name() << endl; - - if (port) { - if ((input_parser = port->input()) != 0) { - input_parser->trace (yn, &cout, "input: "); - } - } else { - - if (_mmc_port) { - if ((input_parser = _mmc_port->input()) != 0) { - input_parser->trace (yn, &cout, "input: "); - } - } - - if (_mtc_port && _mtc_port != _mmc_port) { - if ((input_parser = _mtc_port->input()) != 0) { - input_parser->trace (yn, &cout, "input: "); - } - } - - if (_midi_port && _midi_port != _mmc_port && _midi_port != _mtc_port ) { - if ((input_parser = _midi_port->input()) != 0) { - input_parser->trace (yn, &cout, "input: "); - } - } - - if (_midi_clock_port - && _midi_clock_port != _mmc_port - && _midi_clock_port != _mtc_port - && _midi_clock_port != _midi_port) { - if ((input_parser = _midi_clock_port->input()) != 0) { - input_parser->trace (yn, &cout, "input: "); - } - } - } - - Config->set_trace_midi_input (yn); -} - -void -Session::set_trace_midi_output (bool yn, MIDI::Port* port) -{ - MIDI::Parser* output_parser; - - if (port) { - if ((output_parser = port->output()) != 0) { - output_parser->trace (yn, &cout, "output: "); - } - } else { - if (_mmc_port) { - if ((output_parser = _mmc_port->output()) != 0) { - output_parser->trace (yn, &cout, "output: "); - } - } - - if (_mtc_port && _mtc_port != _mmc_port) { - if ((output_parser = _mtc_port->output()) != 0) { - output_parser->trace (yn, &cout, "output: "); - } - } - - if (_midi_port && _midi_port != _mmc_port && _midi_port != _mtc_port ) { - if ((output_parser = _midi_port->output()) != 0) { - output_parser->trace (yn, &cout, "output: "); - } - } - - } - - Config->set_trace_midi_output (yn); -} - -bool -Session::get_trace_midi_input(MIDI::Port *port) -{ - MIDI::Parser* input_parser; - if (port) { - if ((input_parser = port->input()) != 0) { - return input_parser->tracing(); - } - } - else { - if (_mmc_port) { - if ((input_parser = _mmc_port->input()) != 0) { - return input_parser->tracing(); - } - } - - if (_mtc_port) { - if ((input_parser = _mtc_port->input()) != 0) { - return input_parser->tracing(); - } - } - - if (_midi_port) { - if ((input_parser = _midi_port->input()) != 0) { - return input_parser->tracing(); - } - } - } - - return false; -} - -bool -Session::get_trace_midi_output(MIDI::Port *port) -{ - MIDI::Parser* output_parser; - if (port) { - if ((output_parser = port->output()) != 0) { - return output_parser->tracing(); - } - } - else { - if (_mmc_port) { - if ((output_parser = _mmc_port->output()) != 0) { - return output_parser->tracing(); - } - } - - if (_mtc_port) { - if ((output_parser = _mtc_port->output()) != 0) { - return output_parser->tracing(); - } - } - - if (_midi_port) { - if ((output_parser = _midi_port->output()) != 0) { - return output_parser->tracing(); - } - } - } - - return false; - -} - void Session::setup_midi_control () { - outbound_mtc_smpte_frame = 0; + outbound_mtc_timecode_frame = 0; next_quarter_frame_to_send = 0; - /* setup the MMC buffer */ - - mmc_buffer[0] = 0xf0; // SysEx - mmc_buffer[1] = 0x7f; // Real Time SysEx ID for MMC - mmc_buffer[2] = (mmc ? mmc->send_device_id() : 0x7f); - mmc_buffer[3] = 0x6; // MCC - - /* Set up the qtr frame message */ + /* Set up the qtr sample message */ mtc_msg[0] = 0xf1; mtc_msg[2] = 0xf1; @@ -492,71 +90,62 @@ Session::setup_midi_control () } void -Session::spp_start (Parser& ignored, nframes_t timestamp) +Session::spp_start () { - if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) { + if (Config->get_mmc_control ()) { request_transport_speed (1.0); } } void -Session::spp_continue (Parser& ignored, nframes_t timestamp) +Session::spp_continue () { - spp_start (ignored, timestamp); + spp_start (); } void -Session::spp_stop (Parser& ignored, nframes_t timestamp) +Session::spp_stop () { - if (Config->get_mmc_control()) { + if (Config->get_mmc_control ()) { request_stop (); } } -/* + void -Session::midi_clock_start (Parser& ignored, nframes_t timestamp) +Session::mmc_deferred_play (MIDI::MachineControl &/*mmc*/) { - if (Config->get_slave_source() == MIDIClock) { + if (Config->get_mmc_control ()) { request_transport_speed (1.0); } } void -Session::midi_clock_continue (Parser& parser, nframes_t timestamp) +Session::mmc_record_pause (MIDI::MachineControl &/*mmc*/) { - midi_clock_start (parser, 0); -} - -void -Session::midi_clock_stop (Parser& ignored, nframes_t timestamp) -{ - if (Config->get_slave_source() == MIDIClock) { - request_stop (); + if (Config->get_mmc_control ()) { + maybe_enable_record(); } } -*/ void -Session::mmc_deferred_play (MIDI::MachineControl &mmc) +Session::mmc_record_strobe (MIDI::MachineControl &/*mmc*/) { - if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) { - request_transport_speed (1.0); - } -} + if (Profile->get_trx()) { -void -Session::mmc_record_pause (MIDI::MachineControl &mmc) -{ - if (Config->get_mmc_control()) { - maybe_enable_record(); + /* In Tracks Live, there is no concept of punch, so we just + treat RecordStrobe like RecordPause. This violates the MMC + specification. + */ + + if (Config->get_mmc_control()) { + maybe_enable_record(); + } + return; } -} -void -Session::mmc_record_strobe (MIDI::MachineControl &mmc) -{ - if (!Config->get_mmc_control()) + if (!Config->get_mmc_control() || (_step_editors > 0)) { return; + } /* record strobe does an implicit "Play" command */ @@ -581,25 +170,25 @@ Session::mmc_record_strobe (MIDI::MachineControl &mmc) } void -Session::mmc_record_exit (MIDI::MachineControl &mmc) +Session::mmc_record_exit (MIDI::MachineControl &/*mmc*/) { - if (Config->get_mmc_control()) { + if (Config->get_mmc_control ()) { disable_record (false); } } void -Session::mmc_stop (MIDI::MachineControl &mmc) +Session::mmc_stop (MIDI::MachineControl &/*mmc*/) { - if (Config->get_mmc_control()) { + if (Config->get_mmc_control ()) { request_stop (); } } void -Session::mmc_pause (MIDI::MachineControl &mmc) +Session::mmc_pause (MIDI::MachineControl &/*mmc*/) { - if (Config->get_mmc_control()) { + if (Config->get_mmc_control ()) { /* We support RECORD_PAUSE, so the spec says that we must interpret PAUSE like RECORD_PAUSE if @@ -617,9 +206,9 @@ Session::mmc_pause (MIDI::MachineControl &mmc) static bool step_queued = false; void -Session::mmc_step (MIDI::MachineControl &mmc, int steps) +Session::mmc_step (MIDI::MachineControl &/*mmc*/, int steps) { - if (!Config->get_mmc_control()) { + if (!Config->get_mmc_control ()) { return; } @@ -638,7 +227,7 @@ Session::mmc_step (MIDI::MachineControl &mmc, int steps) } double diff_secs = diff.tv_sec + (diff.tv_usec / 1000000.0); - double cur_speed = (((steps * 0.5) * smpte_frames_per_second()) / diff_secs) / smpte_frames_per_second(); + double cur_speed = (((steps * 0.5) * timecode_frames_per_second()) / diff_secs) / timecode_frames_per_second(); if (_transport_speed == 0 || cur_speed * _transport_speed < 0) { /* change direction */ @@ -658,76 +247,80 @@ Session::mmc_step (MIDI::MachineControl &mmc, int steps) << endl; #endif - request_transport_speed (step_speed); + request_transport_speed_nonzero (step_speed); last_mmc_step = now; if (!step_queued) { - midi_timeouts.push_back (mem_fun (*this, &Session::mmc_step_timeout)); - step_queued = true; + if (midi_control_ui) { + RefPtr tsrc = TimeoutSource::create (100); + tsrc->connect (sigc::mem_fun (*this, &Session::mmc_step_timeout)); + tsrc->attach (midi_control_ui->main_loop()->get_context()); + step_queued = true; + } } } void -Session::mmc_rewind (MIDI::MachineControl &mmc) +Session::mmc_rewind (MIDI::MachineControl &/*mmc*/) { - if (Config->get_mmc_control()) { + if (Config->get_mmc_control ()) { request_transport_speed(-8.0f); } } void -Session::mmc_fast_forward (MIDI::MachineControl &mmc) +Session::mmc_fast_forward (MIDI::MachineControl &/*mmc*/) { - if (Config->get_mmc_control()) { + if (Config->get_mmc_control ()) { request_transport_speed(8.0f); } } void -Session::mmc_locate (MIDI::MachineControl &mmc, const MIDI::byte* mmc_tc) +Session::mmc_locate (MIDI::MachineControl &/*mmc*/, const MIDI::byte* mmc_tc) { - if (!Config->get_mmc_control()) { + if (!Config->get_mmc_control ()) { return; } - nframes_t target_frame; - SMPTE::Time smpte; + samplepos_t target_sample; + Timecode::Time timecode; - smpte.hours = mmc_tc[0] & 0xf; - smpte.minutes = mmc_tc[1]; - smpte.seconds = mmc_tc[2]; - smpte.frames = mmc_tc[3]; - smpte.rate = smpte_frames_per_second(); - smpte.drop = smpte_drop_frames(); + timecode.hours = mmc_tc[0] & 0xf; + timecode.minutes = mmc_tc[1]; + timecode.seconds = mmc_tc[2]; + timecode.frames = mmc_tc[3]; + timecode.rate = timecode_frames_per_second(); + timecode.drop = timecode_drop_frames(); - // Also takes smpte offset into account: - smpte_to_sample( smpte, target_frame, true /* use_offset */, false /* use_subframes */ ); + // Also takes timecode offset into account: + timecode_to_sample( timecode, target_sample, true /* use_offset */, false /* use_subframes */ ); - if (target_frame > max_frames) { - target_frame = max_frames; + if (target_sample > max_samplepos) { + target_sample = max_samplepos; } - /* Some (all?) MTC/MMC devices do not send a full MTC frame + /* Some (all?) MTC/MMC devices do not send a full MTC sample at the end of a locate, instead sending only an MMC locate command. This causes the current position of an MTC slave to become out of date. Catch this. */ - MTC_Slave* mtcs = dynamic_cast (_slave); + boost::shared_ptr mtcs = boost::dynamic_pointer_cast (transport_master()); - if (mtcs != 0) { + if (mtcs) { // cerr << "Locate *with* MTC slave\n"; mtcs->handle_locate (mmc_tc); } else { // cerr << "Locate without MTC slave\n"; - request_locate (target_frame, false); + request_locate (target_sample, false); } } void -Session::mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw) +Session::mmc_shuttle (MIDI::MachineControl &/*mmc*/, float speed, bool forw) { - if (!Config->get_mmc_control()) { + if (!Config->get_mmc_control ()) { return; } @@ -736,81 +329,126 @@ Session::mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw) } if (forw) { - request_transport_speed (speed); + request_transport_speed_nonzero (speed); } else { - request_transport_speed (-speed); + request_transport_speed_nonzero (-speed); } } -void -Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled) +boost::shared_ptr +Session::get_midi_nth_route_by_id (PresentationInfo::order_t n) const { - if (Config->get_mmc_control()) { + PresentationInfo::Flag f; - RouteList::iterator i; - boost::shared_ptr r = routes.reader(); + /* These numbers are defined by the MMC specification. + */ - for (i = r->begin(); i != r->end(); ++i) { - AudioTrack *at; + if (n == 318) { + f = PresentationInfo::MasterOut; + } else if (n == 319) { + f = PresentationInfo::MonitorOut; + } else { + f = PresentationInfo::Route; + } + + boost::shared_ptr r = routes.reader (); + PresentationInfo::order_t match_cnt = 0; - if ((at = dynamic_cast((*i).get())) != 0) { - if (trk == at->remote_control_id()) { - at->set_record_enable (enabled, &mmc); - break; - } + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + if ((*i)->presentation_info().flag_match (f)) { + if (match_cnt++ == n) { + return *i; } } } + + return boost::shared_ptr(); } void -Session::change_midi_ports () +Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled) { - MIDIRequest* request = new MIDIRequest; + if (!Config->get_mmc_control ()) { + return; + } + + boost::shared_ptr r = get_midi_nth_route_by_id (trk); + + if (r) { + boost::shared_ptr at; - request->type = MIDIRequest::PortChange; - midi_requests.write (&request, 1); - poke_midi_thread (); + if ((at = boost::dynamic_pointer_cast (r))) { + at->rec_enable_control()->set_value (enabled, Controllable::UseGroup); + } + } } -/** Send MTC Full Frame message (complete SMPTE time) for the start of this cycle. +/** Send MTC Full Frame message (complete Timecode time) for the start of this cycle. * This resets the MTC code, the next quarter frame message that is sent will be * the first one with the beginning of this cycle as the new start point. + * @param t time to send. */ int -Session::send_full_time_code(nframes_t nframes) +Session::send_full_time_code (samplepos_t const t, MIDI::pframes_t nframes) { - /* This function could easily send at a given frame offset, but would + /* This function could easily send at a given sample offset, but would * that be useful? Does ardour do sub-block accurate locating? [DR] */ MIDI::byte msg[10]; - SMPTE::Time smpte; + Timecode::Time timecode; - _send_smpte_update = false; + _send_timecode_update = false; - if (_mtc_port == 0 || !session_send_mtc) { + if (_engine.freewheeling() || !Config->get_send_mtc()) { + return 0; + } + if (!transport_master()->locked()) { return 0; } - // Get smpte time for this transport frame - sample_to_smpte(_transport_frame, smpte, true /* use_offset */, false /* no subframes */); + // Get timecode time for the given time + sample_to_timecode (t, timecode, true /* use_offset */, false /* no subframes */); - transmitting_smpte_time = smpte; - outbound_mtc_smpte_frame = _transport_frame; + // sample-align outbound to rounded (no subframes) timecode + samplepos_t mtc_tc; + timecode_to_sample(timecode, mtc_tc, true, false); + outbound_mtc_timecode_frame = mtc_tc; + transmitting_timecode_time = timecode; - // I don't understand this bit yet.. [DR] - if (((mtc_smpte_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_smpte_time.frames % 2)) { - // start MTC quarter frame transmission on an even frame - SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() ); - outbound_mtc_smpte_frame += (nframes_t) _frames_per_smpte_frame; + LatencyRange mtc_out_latency = {0, 0}; // TODO cache this, update on engine().GraphReordered() + _midi_ports->mtc_output_port ()->get_connected_latency_range (ltc_out_latency, true); + sampleoffset_t mtc_offset = mtc_out_latency.max; + + // only if rolling.. ? + outbound_mtc_timecode_frame += mtc_offset; + + // outbound_mtc_timecode_frame needs to be >= _transport_sample + // or a new full timecode will be queued next cycle. + while (outbound_mtc_timecode_frame < t) { + Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame()); + outbound_mtc_timecode_frame += _samples_per_timecode_frame; + } + + double const quarter_frame_duration = ((samplecnt_t) _samples_per_timecode_frame) / 4.0; + if (ceil((t - mtc_tc) / quarter_frame_duration) > 0) { + Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame()); + outbound_mtc_timecode_frame += _samples_per_timecode_frame; } - // Compensate for audio latency - outbound_mtc_smpte_frame += _worst_output_latency; + DEBUG_TRACE (DEBUG::MTC, string_compose ("Full MTC TC %1 (off %2)\n", outbound_mtc_timecode_frame, mtc_offset)); + + // I don't understand this bit yet.. [DR] + // I do [rg]: + // according to MTC spec 24, 30 drop and 30 non-drop TC, the sample-number represented by 8 quarter frames must be even. + if (((mtc_timecode_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_timecode_time.frames % 2)) { + // start MTC quarter frame transmission on an even sample + Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame()); + outbound_mtc_timecode_frame += _samples_per_timecode_frame; + } next_quarter_frame_to_send = 0; - // Sync slave to the same SMPTE time as we are on + // Sync slave to the same Timecode time as we are on msg[0] = 0xf0; msg[1] = 0x7f; msg[2] = 0x7f; @@ -818,108 +456,131 @@ Session::send_full_time_code(nframes_t nframes) msg[4] = 0x1; msg[9] = 0xf7; - msg[5] = mtc_smpte_bits | smpte.hours; - msg[6] = smpte.minutes; - msg[7] = smpte.seconds; - msg[8] = smpte.frames; - - cerr << "MTC: Sending full time code at " << outbound_mtc_smpte_frame << endl; + msg[5] = mtc_timecode_bits | (timecode.hours % 24); + msg[6] = timecode.minutes; + msg[7] = timecode.seconds; + msg[8] = timecode.frames; // Send message at offset 0, sent time is for the start of this cycle - if (_mtc_port->midimsg (msg, sizeof (msg), 0)) { - error << _("Session: could not send full MIDI time code") << endmsg; - return -1; - } + MidiBuffer& mb (_midi_ports->mtc_output_port()->get_midi_buffer (nframes)); + mb.push_back (Port::port_offset(), sizeof (msg), msg); + + _pframes_since_last_mtc = 0; return 0; } /** Send MTC (quarter-frame) messages for this cycle. - * Must be called exactly once per cycle from the audio thread. Realtime safe. - * This function assumes the state of full SMPTE is sane, eg. the slave is - * expecting quarter frame messages and has the right frame of reference (any - * full MTC SMPTE time messages that needed to be sent should have been sent + * Must be called exactly once per cycle from the process thread. Realtime safe. + * This function assumes the state of full Timecode is sane, eg. the slave is + * expecting quarter frame messages and has the right sample of reference (any + * full MTC Timecode time messages that needed to be sent should have been sent * earlier already this cycle by send_full_time_code) */ int -Session::send_midi_time_code_for_cycle(nframes_t nframes) +Session::send_midi_time_code_for_cycle (samplepos_t start_sample, samplepos_t end_sample, ARDOUR::pframes_t nframes) { - assert (next_quarter_frame_to_send >= 0); - assert (next_quarter_frame_to_send <= 7); - - if (_mtc_port == 0 || !session_send_mtc || transmitting_smpte_time.negative - /*|| (next_quarter_frame_to_send < 0)*/ ) { + // start_sample == start_sample for normal cycles + // start_sample > _transport_sample for split cycles + if (_engine.freewheeling() || !_send_qf_mtc || transmitting_timecode_time.negative || (next_quarter_frame_to_send < 0)) { // cerr << "(MTC) Not sending MTC\n"; return 0; } + if (!transport_master()->locked()) { + return 0; + } + + if (_transport_speed < 0) { + // we don't support rolling backwards + return 0; + } + + /* MTC is max. 30 fps - assert() below will fail + * TODO actually limit it to 24,25,29df,30fps + * talk to oofus, first. + */ + if (Timecode::timecode_to_frames_per_second(config.get_timecode_format()) > 30) { + return 0; + } + + assert (next_quarter_frame_to_send >= 0); + assert (next_quarter_frame_to_send <= 7); /* Duration of one quarter frame */ - nframes_t quarter_frame_duration = ((long) _frames_per_smpte_frame) >> 2; + double const quarter_frame_duration = _samples_per_timecode_frame / 4.0; - // cerr << "(MTC) TR: " << _transport_frame << " - SF: " << outbound_mtc_smpte_frame - // << " - NQ: " << next_quarter_frame_to_send << " - FD" << quarter_frame_duration << endl; + DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 MT %3 QF %4 QD %5\n", + _transport_sample, start_sample, outbound_mtc_timecode_frame, + next_quarter_frame_to_send, quarter_frame_duration)); - // FIXME: this should always be true - //assert((outbound_mtc_smpte_frame + (next_quarter_frame_to_send * quarter_frame_duration)) - // > _transport_frame); + if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < _transport_sample) { + // send full timecode and set outbound_mtc_timecode_frame, next_quarter_frame_to_send + send_full_time_code (_transport_sample, nframes); + } + if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < start_sample) { + // no QF for this cycle + return 0; + } - // Send quarter frames for this cycle - while (_transport_frame + nframes > (outbound_mtc_smpte_frame + - (next_quarter_frame_to_send * quarter_frame_duration))) { + /* Send quarter frames for this cycle */ + while (end_sample > rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration))) { - // cerr << "(MTC) Next frame to send: " << next_quarter_frame_to_send << endl; + DEBUG_TRACE (DEBUG::MTC, string_compose ("next sample to send: %1\n", next_quarter_frame_to_send)); switch (next_quarter_frame_to_send) { case 0: - mtc_msg[1] = 0x00 | (transmitting_smpte_time.frames & 0xf); + mtc_msg[1] = 0x00 | (transmitting_timecode_time.frames & 0xf); break; case 1: - mtc_msg[1] = 0x10 | ((transmitting_smpte_time.frames & 0xf0) >> 4); + mtc_msg[1] = 0x10 | ((transmitting_timecode_time.frames & 0xf0) >> 4); break; case 2: - mtc_msg[1] = 0x20 | (transmitting_smpte_time.seconds & 0xf); + mtc_msg[1] = 0x20 | (transmitting_timecode_time.seconds & 0xf); break; case 3: - mtc_msg[1] = 0x30 | ((transmitting_smpte_time.seconds & 0xf0) >> 4); + mtc_msg[1] = 0x30 | ((transmitting_timecode_time.seconds & 0xf0) >> 4); break; case 4: - mtc_msg[1] = 0x40 | (transmitting_smpte_time.minutes & 0xf); + mtc_msg[1] = 0x40 | (transmitting_timecode_time.minutes & 0xf); break; case 5: - mtc_msg[1] = 0x50 | ((transmitting_smpte_time.minutes & 0xf0) >> 4); + mtc_msg[1] = 0x50 | ((transmitting_timecode_time.minutes & 0xf0) >> 4); break; case 6: - mtc_msg[1] = 0x60 | ((mtc_smpte_bits|transmitting_smpte_time.hours) & 0xf); + mtc_msg[1] = 0x60 | ((mtc_timecode_bits | transmitting_timecode_time.hours) & 0xf); break; case 7: - mtc_msg[1] = 0x70 | (((mtc_smpte_bits|transmitting_smpte_time.hours) & 0xf0) >> 4); + mtc_msg[1] = 0x70 | (((mtc_timecode_bits | transmitting_timecode_time.hours) & 0xf0) >> 4); break; } - const nframes_t msg_time = (outbound_mtc_smpte_frame - + (quarter_frame_duration * next_quarter_frame_to_send)); + const samplepos_t msg_time = rint(outbound_mtc_timecode_frame + (quarter_frame_duration * next_quarter_frame_to_send)); // This message must fall within this block or something is broken - assert(msg_time >= _transport_frame); - assert(msg_time < _transport_frame + nframes); + assert (msg_time >= start_sample); + assert (msg_time < end_sample); - nframes_t out_stamp = msg_time - _transport_frame; - assert(out_stamp < nframes); + /* convert from session samples back to JACK samples using the transport speed */ + ARDOUR::pframes_t const out_stamp = (msg_time - start_sample) / _transport_speed; + assert (out_stamp < nframes); - if (_mtc_port->midimsg (mtc_msg, 2, out_stamp)) { + MidiBuffer& mb (_midi_ports->mtc_output_port()->get_midi_buffer(nframes)); + if (!mb.push_back (out_stamp, 2, mtc_msg)) { error << string_compose(_("Session: cannot send quarter-frame MTC message (%1)"), strerror (errno)) << endmsg; return -1; } - /*cerr << "(MTC) SMPTE: " << transmitting_smpte_time.hours - << ":" << transmitting_smpte_time.minutes - << ":" << transmitting_smpte_time.seconds - << ":" << transmitting_smpte_time.frames - << ", qfm = " << next_quarter_frame_to_send - << ", stamp = " << out_stamp - << ", delta = " << _transport_frame + out_stamp - last_time << endl;*/ +#ifndef NDEBUG + if (DEBUG_ENABLED(DEBUG::MTC)) { + DEBUG_STR_DECL(foo) + DEBUG_STR_APPEND(foo,"sending "); + DEBUG_STR_APPEND(foo, transmitting_timecode_time); + DEBUG_TRACE (DEBUG::MTC, string_compose ("%1 qfm = %2, stamp = %3\n", DEBUG_STR(foo).str(), next_quarter_frame_to_send, + out_stamp)); + } +#endif // Increment quarter frame counter next_quarter_frame_to_send++; @@ -927,14 +588,11 @@ Session::send_midi_time_code_for_cycle(nframes_t nframes) if (next_quarter_frame_to_send >= 8) { // Wrap quarter frame counter next_quarter_frame_to_send = 0; - // Increment smpte time twice - SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() ); - SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() ); - // Re-calculate timing of first quarter frame - //smpte_to_sample( transmitting_smpte_time, outbound_mtc_smpte_frame, true /* use_offset */, false ); - outbound_mtc_smpte_frame += 8 * quarter_frame_duration; - // Compensate for audio latency - outbound_mtc_smpte_frame += _worst_output_latency; + // Increment timecode time twice + Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame()); + Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame()); + // Increment timing of first quarter frame + outbound_mtc_timecode_frame += 2.0 * _samples_per_timecode_frame; } } @@ -946,67 +604,14 @@ Session::send_midi_time_code_for_cycle(nframes_t nframes) **********************************************************************/ void -Session::deliver_mmc (MIDI::MachineControl::Command cmd, nframes_t where) +Session::send_immediate_mmc (MachineControlCommand c) { - using namespace MIDI; - int nbytes = 4; - SMPTE::Time smpte; - - if (_mmc_port == 0 || !session_send_mmc) { - // cerr << "Not delivering MMC " << _mmc_port << " - " << session_send_mmc << endl; - return; + if (AudioEngine::instance()->in_process_thread()) { + _mmc->send (c, Port::port_offset()); + } else { + _mmc->send (c, 0); } - mmc_buffer[nbytes++] = cmd; - - // cerr << "delivering MMC, cmd = " << hex << (int) cmd << dec << endl; - - switch (cmd) { - case MachineControl::cmdLocate: - smpte_time_subframes (where, smpte); - - mmc_buffer[nbytes++] = 0x6; // byte count - mmc_buffer[nbytes++] = 0x1; // "TARGET" subcommand - mmc_buffer[nbytes++] = smpte.hours; - mmc_buffer[nbytes++] = smpte.minutes; - mmc_buffer[nbytes++] = smpte.seconds; - mmc_buffer[nbytes++] = smpte.frames; - mmc_buffer[nbytes++] = smpte.subframes; - break; - - case MachineControl::cmdStop: - break; - - case MachineControl::cmdPlay: - /* always convert Play into Deferred Play */ - /* Why? [DR] */ - mmc_buffer[4] = MachineControl::cmdDeferredPlay; - break; - - case MachineControl::cmdDeferredPlay: - break; - - case MachineControl::cmdRecordStrobe: - break; - - case MachineControl::cmdRecordExit: - break; - - case MachineControl::cmdRecordPause: - break; - - default: - nbytes = 0; - }; - - if (nbytes) { - - mmc_buffer[nbytes++] = 0xf7; // terminate SysEx/MMC message - - if (_mmc_port->midimsg (mmc_buffer, nbytes, 0)) { - error << string_compose(_("MMC: cannot send command %1%2%3"), &hex, cmd, &dec) << endmsg; - } - } } bool @@ -1034,268 +639,156 @@ Session::mmc_step_timeout () /* slow it down */ - request_transport_speed (_transport_speed * 0.75); + request_transport_speed_nonzero (_transport_speed * 0.75); return true; } -/*--------------------------------------------------------------------------- - MIDI THREAD - ---------------------------------------------------------------------------*/ - -int -Session::start_midi_thread () -{ - if (pipe (midi_request_pipe)) { - error << string_compose(_("Cannot create transport request signal pipe (%1)"), strerror (errno)) << endmsg; - return -1; - } - - if (fcntl (midi_request_pipe[0], F_SETFL, O_NONBLOCK)) { - error << string_compose(_("UI: cannot set O_NONBLOCK on " "signal read pipe (%1)"), strerror (errno)) << endmsg; - return -1; - } +/*********************************************************************** + OUTBOUND SYSTEM COMMON STUFF +**********************************************************************/ - if (fcntl (midi_request_pipe[1], F_SETFL, O_NONBLOCK)) { - error << string_compose(_("UI: cannot set O_NONBLOCK on " "signal write pipe (%1)"), strerror (errno)) << endmsg; - return -1; - } - if (pthread_create_and_store ("transport", &midi_thread, 0, _midi_thread_work, this)) { - error << _("Session: could not create transport thread") << endmsg; - return -1; +void +Session::send_song_position_pointer (samplepos_t) +{ + if (midi_clock) { + /* Do nothing for the moment */ } +} +int +Session::start_midi_thread () +{ + if (midi_control_ui) { return 0; } + midi_control_ui = new MidiControlUI (*this); + midi_control_ui->run (); return 0; } -void -Session::terminate_midi_thread () +boost::shared_ptr +Session::midi_input_port () const { - if (midi_thread) { - - MIDIRequest* request = new MIDIRequest; - void* status; + return _midi_ports->midi_input_port (); +} - request->type = MIDIRequest::Quit; +boost::shared_ptr +Session::midi_output_port () const +{ + return _midi_ports->midi_output_port (); +} - midi_requests.write (&request, 1); - poke_midi_thread (); +boost::shared_ptr +Session::mmc_output_port () const +{ + return _midi_ports->mmc_output_port (); +} - pthread_join (midi_thread, &status); - } +boost::shared_ptr +Session::mmc_input_port () const +{ + return _midi_ports->mmc_input_port (); } -void -Session::poke_midi_thread () +boost::shared_ptr +Session::scene_output_port () const { - static char c = 0; + return _midi_ports->scene_output_port (); +} - if (write (midi_request_pipe[1], &c, 1) != 1) { - error << string_compose(_("cannot send signal to midi thread! (%1)"), strerror (errno)) << endmsg; - } +boost::shared_ptr +Session::scene_input_port () const +{ + return _midi_ports->scene_input_port (); } -void * -Session::_midi_thread_work (void* arg) +boost::shared_ptr +Session::midi_clock_output_port () const { - pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, 0); - pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0); + return _midi_ports->midi_clock_output_port (); +} - ((Session *) arg)->midi_thread_work (); - return 0; + +boost::shared_ptr +Session::mtc_output_port () const +{ + return _midi_ports->mtc_output_port (); } void -Session::midi_thread_work () +Session::midi_track_presentation_info_changed (PropertyChange const& what_changed, boost::weak_ptr mt) { - MIDIRequest* request; - struct pollfd pfd[4]; - int nfds = 0; - int timeout; - int fds_ready; - struct sched_param rtparam; - int x; - bool restart; - vector ports; - - PBD::notify_gui_about_thread_creation (pthread_self(), X_("MIDI"), 2048); - - memset (&rtparam, 0, sizeof (rtparam)); - rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */ - - if ((x = pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam)) != 0) { - // do we care? not particularly. + if (!Config->get_midi_input_follows_selection()) { + return; } - /* set up the port vector; 5 is the largest possible size for now */ - - ports.assign (5, (MIDI::Port*) 0); - - while (1) { - - nfds = 0; - - pfd[nfds].fd = midi_request_pipe[0]; - pfd[nfds].events = POLLIN|POLLHUP|POLLERR; - nfds++; - - if (Config->get_mmc_control() && _mmc_port && _mmc_port->selectable() >= 0) { - pfd[nfds].fd = _mmc_port->selectable(); - pfd[nfds].events = POLLIN|POLLHUP|POLLERR; - ports[nfds] = _mmc_port; - //cerr << "MIDI port " << nfds << " = MMC @ " << _mmc_port << endl; - nfds++; - } - - /* if MTC is being handled on a different port from MMC - or we are not handling MMC at all, poll - the relevant port. - */ - - if (_mtc_port && (_mtc_port != _mmc_port || !Config->get_mmc_control()) && _mtc_port->selectable() >= 0) { - pfd[nfds].fd = _mtc_port->selectable(); - pfd[nfds].events = POLLIN|POLLHUP|POLLERR; - ports[nfds] = _mtc_port; - //cerr << "MIDI port " << nfds << " = MTC @ " << _mtc_port << endl; - nfds++; - } - - if (_midi_clock_port && (_midi_clock_port != _mmc_port || !Config->get_mmc_control()) && _midi_clock_port->selectable() >= 0) { - pfd[nfds].fd = _midi_clock_port->selectable(); - pfd[nfds].events = POLLIN|POLLHUP|POLLERR; - ports[nfds] = _midi_clock_port; - nfds++; - } - - /* if we are using MMC control, we obviously have to listen - the relevant port. - */ - - if (_midi_port && (_midi_port != _mmc_port || !Config->get_mmc_control()) && (_midi_port != _mtc_port) && _midi_port->selectable() >= 0) { - pfd[nfds].fd = _midi_port->selectable(); - pfd[nfds].events = POLLIN|POLLHUP|POLLERR; - ports[nfds] = _midi_port; - // cerr << "MIDI port " << nfds << " = MIDI @ " << _midi_port << endl; - nfds++; - } - - if (!midi_timeouts.empty()) { - timeout = 100; /* 10msecs */ - } else { - timeout = -1; /* if there is no data, we don't care */ - } - - again: - // cerr << "MIDI poll on " << nfds << " for " << timeout << endl; - if (poll (pfd, nfds, timeout) < 0) { - if (errno == EINTR) { - /* gdb at work, perhaps */ - goto again; - } - - error << string_compose(_("MIDI thread poll failed (%1)"), strerror (errno)) << endmsg; - - break; - } - // cerr << "MIDI thread wakes at " << get_cycles () << endl; - - fds_ready = 0; - - /* check the transport request pipe */ - - if (pfd[0].revents & ~POLLIN) { - error << _("Error on transport thread request pipe") << endmsg; - break; - } - - if (pfd[0].revents & POLLIN) { - - char foo[16]; - - // cerr << "MIDI request FIFO ready\n"; - fds_ready++; - - /* empty the pipe of all current requests */ - - while (1) { - size_t nread = read (midi_request_pipe[0], &foo, sizeof (foo)); + if (!what_changed.contains (Properties::selected)) { + return; + } - if (nread > 0) { - if ((size_t) nread < sizeof (foo)) { - break; - } else { - continue; - } - } else if (nread == 0) { - break; - } else if (errno == EAGAIN) { - break; - } else { - fatal << _("Error reading from transport request pipe") << endmsg; - /*NOTREACHED*/ - } - } + boost::shared_ptr new_midi_target (mt.lock ()); - while (midi_requests.read (&request, 1) == 1) { + if (new_midi_target->is_selected()) { + rewire_selected_midi (new_midi_target); + } +} - switch (request->type) { - case MIDIRequest::PortChange: - /* restart poll with new ports */ - // cerr << "rebind\n"; - restart = true; - break; +void +Session::rewire_selected_midi (boost::shared_ptr new_midi_target) +{ + if (!new_midi_target) { + return; + } - case MIDIRequest::Quit: - delete request; - pthread_exit_pbd (0); - /*NOTREACHED*/ - break; + boost::shared_ptr old_midi_target = current_midi_target.lock (); - default: - break; - } + if (new_midi_target == old_midi_target) { + return; + } + vector msp; + AudioEngine::instance()->get_midi_selection_ports (msp); - delete request; - } + if (!msp.empty()) { + if (old_midi_target) { + old_midi_target->input()->disconnect (this); } - if (restart) { - continue; + for (vector::const_iterator p = msp.begin(); p != msp.end(); ++p) { + /* disconnect the port from everything */ + AudioEngine::instance()->disconnect (*p); + /* connect it to the new target */ + new_midi_target->input()->connect (new_midi_target->input()->nth(0), (*p), this); } + } - /* now read the rest of the ports */ - - for (int p = 1; p < nfds; ++p) { - if ((pfd[p].revents & ~POLLIN)) { - // error << string_compose(_("Transport: error polling MIDI port %1 (revents =%2%3%4"), p, &hex, pfd[p].revents, &dec) << endmsg; - break; - } + current_midi_target = new_midi_target; +} - if (pfd[p].revents & POLLIN) { - fds_ready++; - ports[p]->parse (); - } - } +void +Session::rewire_midi_selection_ports () +{ + if (!Config->get_midi_input_follows_selection()) { + return; + } - /* timeout driven */ + boost::shared_ptr target = current_midi_target.lock(); - if (fds_ready < 2 && timeout != -1) { + if (!target) { + return; + } - for (MidiTimeoutList::iterator i = midi_timeouts.begin(); i != midi_timeouts.end(); ) { + vector msp; + AudioEngine::instance()->get_midi_selection_ports (msp); - MidiTimeoutList::iterator tmp; - tmp = i; - ++tmp; + if (msp.empty()) { + return; + } - if (!(*i)()) { - midi_timeouts.erase (i); - } + target->input()->disconnect (this); - i = tmp; - } - } + for (vector::const_iterator p = msp.begin(); p != msp.end(); ++p) { + AudioEngine::instance()->disconnect (*p); + target->input()->connect (target->input()->nth (0), (*p), this); } } -