X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=inline;f=libs%2Fardour%2Fsession_midi.cc;h=f7ee8ef3c924ceda926e9e20d9ca95dff67dc60c;hb=c7c15fe1bd8c7ffe2275aeb4c6938132b3f909b8;hp=95d6d02f39cc052682e0fa29d38fc927d0acc5c8;hpb=74dd5bd7060b337964d5ea5a3d419c26a62c10a6;p=ardour.git diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc index 95d6d02f39..f7ee8ef3c9 100644 --- a/libs/ardour/session_midi.cc +++ b/libs/ardour/session_midi.cc @@ -1,6 +1,6 @@ /* - Copyright (C) 1999-2002 Paul Davis + Copyright (C) 1999-2002 Paul Davis This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -16,43 +16,60 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id$ */ #include #include #include +#include #include #include #include -#include -#include -#include -#include -#include -#include - -#include -#include -#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 "ardour/configuration.h" +#include "ardour/audioengine.h" +#include "ardour/session.h" +#include "ardour/audio_track.h" +#include "ardour/midi_track.h" +#include "ardour/audio_diskstream.h" +#include "ardour/slave.h" +#include "ardour/cycles.h" +#include "ardour/timecode.h" #include "i18n.h" using namespace std; using namespace ARDOUR; -//using namespace sigc; +using namespace PBD; using namespace MIDI; MachineControl::CommandSignature MMC_CommandSignature; MachineControl::ResponseSignature MMC_ResponseSignature; -MultiAllocSingleReleasePool Session::MIDIRequest::pool ("midi", sizeof (Session::MIDIRequest), 1024); + +void +Session::midi_panic() +{ + { + boost::shared_ptr r = routes.reader (); + + for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { + MidiTrack *track = dynamic_cast((*i).get()); + if (track != 0) { + track->midi_panic(); + } + } + } +} int Session::use_config_midi_ports () @@ -77,121 +94,20 @@ Session::use_config_midi_ports () 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. **********************************************************************/ -void -Session::set_mmc_control (bool yn) -{ -#if 0 - if (mmc_control == yn) { - return; - } - - mmc_control = yn; - set_dirty(); - poke_midi_thread (); -#endif - ControlChanged (MMCControl); /* EMIT SIGNAL */ -} - -void -Session::set_midi_control (bool yn) -{ -#if 0 - if (midi_control == yn) { - return; - } - - midi_control = yn; - set_dirty(); - poke_midi_thread (); - - if (_midi_port) { - RWLockMonitor lm (route_lock, false, __LINE__, __FILE__); - for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) { - (*i)->reset_midi_control (_midi_port, midi_control); - } - } -#endif - ControlChanged (MidiControl); /* EMIT SIGNAL */ -} - -void -Session::set_send_mtc (bool yn) -{ - /* set the persistent option value regardless */ - - send_midi_timecode = yn; - set_dirty(); - - /* only set the internal flag if we have - a port. - */ - - if (_mtc_port == 0 || send_mtc == yn) { - return; - } - - send_mtc = yn; - ControlChanged (SendMTC); /* EMIT SIGNAL */ -} - -void -Session::set_send_mmc (bool yn) -{ - if (_mmc_port == 0) { - return; - } - - if (send_midi_machine_control == yn) { - return; - } - - /* only set the internal flag if we have - a port. - */ - - if (_mmc_port) { - send_mmc = yn; - } - - /* set the persistent option value regardless */ - - send_midi_machine_control = yn; - set_dirty(); - - ControlChanged (SendMMC); /* EMIT SIGNAL */ -} - -void -Session::set_midi_feedback (bool yn) -{ -} - -bool -Session::get_midi_feedback () const -{ - return false; -} - -bool -Session::get_send_mtc () const -{ - return send_mtc; -} - -bool -Session::get_send_mmc () const -{ - return send_mmc; -} - int Session::set_mtc_port (string port_tag) { @@ -234,9 +150,29 @@ Session::set_mtc_port (string port_tag) 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; @@ -254,47 +190,55 @@ Session::set_mmc_port (string port_tag) _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 = 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 + mmc->Play.connect (mem_fun (*this, &Session::mmc_deferred_play)); - mmc->DeferredPlay.connect + mmc->DeferredPlay.connect (mem_fun (*this, &Session::mmc_deferred_play)); - mmc->Stop.connect + mmc->Stop.connect (mem_fun (*this, &Session::mmc_stop)); - mmc->FastForward.connect + mmc->FastForward.connect (mem_fun (*this, &Session::mmc_fast_forward)); - mmc->Rewind.connect + mmc->Rewind.connect (mem_fun (*this, &Session::mmc_rewind)); - mmc->Pause.connect + mmc->Pause.connect (mem_fun (*this, &Session::mmc_pause)); - mmc->RecordPause.connect + mmc->RecordPause.connect (mem_fun (*this, &Session::mmc_record_pause)); - mmc->RecordStrobe.connect + mmc->RecordStrobe.connect (mem_fun (*this, &Session::mmc_record_strobe)); - mmc->RecordExit.connect + mmc->RecordExit.connect (mem_fun (*this, &Session::mmc_record_exit)); - mmc->Locate.connect + mmc->Locate.connect (mem_fun (*this, &Session::mmc_locate)); - mmc->Step.connect + mmc->Step.connect (mem_fun (*this, &Session::mmc_step)); - mmc->Shuttle.connect + 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: @@ -305,8 +249,9 @@ Session::set_mmc_port (string port_tag) } int -Session::set_midi_port (string port_tag) +Session::set_midi_port (string /*port_tag*/) { +#if 0 if (port_tag.length() == 0) { if (_midi_port == 0) { return 0; @@ -322,25 +267,70 @@ Session::set_midi_port (string port_tag) } _midi_port = port; - + /* XXX need something to forward this to control protocols ? or just - use the signal below + 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: "); @@ -352,7 +342,7 @@ Session::set_trace_midi_input (bool yn, MIDI::Port* port) 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: "); @@ -364,6 +354,15 @@ Session::set_trace_midi_input (bool yn, MIDI::Port* port) 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); @@ -384,7 +383,7 @@ Session::set_trace_midi_output (bool yn, MIDI::Port* port) 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: "); @@ -417,7 +416,7 @@ Session::get_trace_midi_input(MIDI::Port *port) return input_parser->tracing(); } } - + if (_mtc_port) { if ((input_parser = _mtc_port->input()) != 0) { return input_parser->tracing(); @@ -449,7 +448,7 @@ Session::get_trace_midi_output(MIDI::Port *port) return output_parser->tracing(); } } - + if (_mtc_port) { if ((output_parser = _mtc_port->output()) != 0) { return output_parser->tracing(); @@ -470,18 +469,18 @@ Session::get_trace_midi_output(MIDI::Port *port) 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] = 0x7f; // "broadcast" device ID + mmc_buffer[2] = (mmc ? mmc->send_device_id() : 0x7f); mmc_buffer[3] = 0x6; // MCC /* Set up the qtr frame message */ - + mtc_msg[0] = 0xf1; mtc_msg[2] = 0xf1; mtc_msg[4] = 0xf1; @@ -490,109 +489,73 @@ Session::setup_midi_control () mtc_msg[10] = 0xf1; mtc_msg[12] = 0xf1; mtc_msg[14] = 0xf1; +} - if (_mmc_port != 0) { - - send_mmc = send_midi_machine_control; - - } else { - - mmc = 0; - send_mmc = false; +void +Session::spp_start (Parser &, nframes_t /*timestamp*/) +{ + if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) { + request_transport_speed (1.0); } +} - if (_mtc_port != 0) { - - send_mtc = send_midi_timecode; - - } else { - - send_mtc = false; - } +void +Session::spp_continue (Parser& ignored, nframes_t timestamp) +{ + spp_start (ignored, timestamp); } -#if 0 -int -Session::midi_read (MIDI::Port* port) +void +Session::spp_stop (Parser&, nframes_t /*timestamp*/) { - MIDI::byte buf[512]; - - /* reading from the MIDI port activates the Parser - that in turn generates signals that we care - about. the port is already set to NONBLOCK so that - can read freely here. - */ - - while (1) { - - // cerr << "+++ READ ON " << port->name() << endl; - - int nread = port->read (buf, sizeof (buf)); - - // cerr << "-- READ (" << nread << " ON " << port->name() << endl; - - if (nread > 0) { - if ((size_t) nread < sizeof (buf)) { - break; - } else { - continue; - } - } else if (nread == 0) { - break; - } else if (errno == EAGAIN) { - break; - } else { - fatal << string_compose(_("Error reading from MIDI port %1"), port->name()) << endmsg; - /*NOTREACHED*/ - } + if (Config->get_mmc_control()) { + request_stop (); } - - return 0; } -#endif - +/* void -Session::spp_start (Parser& ignored) +Session::midi_clock_start (Parser& ignored, nframes_t timestamp) { - if (mmc_control && (_slave_type != MTC)) { + if (Config->get_slave_source() == MIDIClock) { request_transport_speed (1.0); } } void -Session::spp_continue (Parser& ignored) +Session::midi_clock_continue (Parser& parser, nframes_t timestamp) { - spp_start (ignored); + midi_clock_start (parser, 0); } void -Session::spp_stop (Parser& ignored) +Session::midi_clock_stop (Parser& ignored, nframes_t timestamp) { - if (mmc_control) { + if (Config->get_slave_source() == MIDIClock) { request_stop (); } } +*/ void -Session::mmc_deferred_play (MIDI::MachineControl &mmc) +Session::mmc_deferred_play (MIDI::MachineControl &/*mmc*/) { - if (mmc_control && (_slave_type != MTC)) { + if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) { request_transport_speed (1.0); } } void -Session::mmc_record_pause (MIDI::MachineControl &mmc) +Session::mmc_record_pause (MIDI::MachineControl &/*mmc*/) { - if (mmc_control) { + if (Config->get_mmc_control()) { maybe_enable_record(); } } void -Session::mmc_record_strobe (MIDI::MachineControl &mmc) +Session::mmc_record_strobe (MIDI::MachineControl &/*mmc*/) { - if (!mmc_control) + if (!Config->get_mmc_control()) return; /* record strobe does an implicit "Play" command */ @@ -604,11 +567,11 @@ Session::mmc_record_strobe (MIDI::MachineControl &mmc) its not the same as maybe_enable_record() though, because that *can* switch to Recording, which we do not want. */ - + save_state ("", true); - atomic_set (&_record_status, Enabled); + g_atomic_int_set (&_record_status, Enabled); RecordStateChanged (); /* EMIT SIGNAL */ - + request_transport_speed (1.0); } else { @@ -618,25 +581,25 @@ Session::mmc_record_strobe (MIDI::MachineControl &mmc) } void -Session::mmc_record_exit (MIDI::MachineControl &mmc) +Session::mmc_record_exit (MIDI::MachineControl &/*mmc*/) { - if (mmc_control) { + if (Config->get_mmc_control()) { disable_record (false); } } void -Session::mmc_stop (MIDI::MachineControl &mmc) +Session::mmc_stop (MIDI::MachineControl &/*mmc*/) { - if (mmc_control) { + if (Config->get_mmc_control()) { request_stop (); } } void -Session::mmc_pause (MIDI::MachineControl &mmc) +Session::mmc_pause (MIDI::MachineControl &/*mmc*/) { - if (mmc_control) { + if (Config->get_mmc_control()) { /* We support RECORD_PAUSE, so the spec says that we must interpret PAUSE like RECORD_PAUSE if @@ -654,10 +617,9 @@ 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 (!mmc_control) { + if (!Config->get_mmc_control()) { return; } @@ -665,7 +627,7 @@ Session::mmc_step (MIDI::MachineControl &mmc, int steps) struct timeval diff = { 0, 0 }; gettimeofday (&now, 0); - + timersub (&now, &last_mmc_step, &diff); gettimeofday (&now, 0); @@ -674,10 +636,10 @@ Session::mmc_step (MIDI::MachineControl &mmc, int steps) if (last_mmc_step.tv_sec != 0 && (diff.tv_usec + (diff.tv_sec * 1000000)) < _engine.usecs_per_cycle()) { return; } - + 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 */ step_speed = cur_speed; @@ -688,13 +650,13 @@ Session::mmc_step (MIDI::MachineControl &mmc, int steps) step_speed *= 0.25; #if 0 - cerr << "delta = " << diff_secs + cerr << "delta = " << diff_secs << " ct = " << _transport_speed << " steps = " << steps - << " new speed = " << cur_speed + << " new speed = " << cur_speed << " speed = " << step_speed << endl; -#endif +#endif request_transport_speed (step_speed); last_mmc_step = now; @@ -706,39 +668,41 @@ Session::mmc_step (MIDI::MachineControl &mmc, int steps) } void -Session::mmc_rewind (MIDI::MachineControl &mmc) +Session::mmc_rewind (MIDI::MachineControl &/*mmc*/) { - if (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 (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 (!mmc_control) { + if (!Config->get_mmc_control()) { return; } - jack_nframes_t target_frame; - SMPTE::Time smpte; + nframes_t target_frame; + Timecode::Time timecode; + + 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 timecode offset into account: + timecode_to_sample( timecode, target_frame, true /* use_offset */, false /* use_subframes */ ); - smpte.hours = mmc_tc[0] & 0xf; - smpte.minutes = mmc_tc[1]; - smpte.seconds = mmc_tc[2]; - smpte.frames = mmc_tc[3]; - - // Also takes smpte offset into account: - smpte_to_sample( smpte, target_frame, true /* use_offset */, false /* use_subframes */ ); - if (target_frame > max_frames) { target_frame = max_frames; } @@ -761,20 +725,16 @@ Session::mmc_locate (MIDI::MachineControl &mmc, const MIDI::byte* mmc_tc) } void -Session::mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw) +Session::mmc_shuttle (MIDI::MachineControl &/*mmc*/, float speed, bool forw) { - cerr << "MMC shuttle, speed = " << speed << endl; - - if (!mmc_control) { + if (!Config->get_mmc_control()) { return; } - if (shuttle_speed_threshold >= 0 && speed > shuttle_speed_threshold) { - speed *= shuttle_speed_factor; + if (Config->get_shuttle_speed_threshold() >= 0 && speed > Config->get_shuttle_speed_threshold()) { + speed *= Config->get_shuttle_speed_factor(); } - cerr << "requested MMC control speed = " << speed << endl; - if (forw) { request_transport_speed (speed); } else { @@ -785,15 +745,15 @@ Session::mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw) void Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled) { - if (mmc_control) { + if (Config->get_mmc_control()) { RouteList::iterator i; - RWLockMonitor (route_lock, false, __LINE__, __FILE__); - - for (i = routes.begin(); i != routes.end(); ++i) { + boost::shared_ptr r = routes.reader(); + + for (i = r->begin(); i != r->end(); ++i) { AudioTrack *at; - if ((at = dynamic_cast(*i)) != 0) { + if ((at = dynamic_cast((*i).get())) != 0) { if (trk == at->remote_control_id()) { at->set_record_enable (enabled, &mmc); break; @@ -803,70 +763,54 @@ Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled) } } - void Session::change_midi_ports () { -/* MIDIRequest* request = new MIDIRequest; request->type = MIDIRequest::PortChange; midi_requests.write (&request, 1); poke_midi_thread (); -*/ } -/** Send MTC Full Frame message (complete SMPTE time) for the start of this cycle. - * Audio thread only, realtime safe. MIDI::Manager::cycle_start must - * have been called with the appropriate nframes parameter 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. */ int -Session::send_full_time_code(jack_nframes_t nframes) +Session::send_full_time_code(nframes_t /*nframes*/) { /* This function could easily send at a given frame offset, but would - * that be useful? [DR] */ + * 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 || !send_mtc) { + if (_mtc_port == 0 || !session_send_mtc) { return 0; } - - // Get smpte time for this transport frame - sample_to_smpte(_transport_frame, smpte, true /* use_offset */, false /* no subframes */); - - // Check for negative smpte time and prepare for quarter frame transmission - assert(!smpte.negative); // this shouldn't happen - if (smpte.negative) { - // Negative mtc is not defined, so sync slave to smpte zero. - // When _transport_frame gets there we will start transmitting quarter frames - smpte.hours = 0; - smpte.minutes = 0; - smpte.seconds = 0; - smpte.frames = 0; - smpte.subframes = 0; - smpte.negative = false; - smpte_to_sample( smpte, outbound_mtc_smpte_frame, true, false ); - transmitting_smpte_time = smpte; - } else { - transmitting_smpte_time = smpte; - outbound_mtc_smpte_frame = _transport_frame; - 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 ); - outbound_mtc_smpte_frame += (jack_nframes_t) _frames_per_smpte_frame; - } + + // Get timecode time for this transport frame + sample_to_timecode(_transport_frame, timecode, true /* use_offset */, false /* no subframes */); + + transmitting_timecode_time = timecode; + outbound_mtc_timecode_frame = _transport_frame; + + // I don't understand this bit yet.. [DR] + if (((mtc_timecode_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_timecode_time.frames % 2)) { + // start MTC quarter frame transmission on an even frame + Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() ); + outbound_mtc_timecode_frame += (nframes_t) _frames_per_timecode_frame; } // Compensate for audio latency - outbound_mtc_smpte_frame += _worst_output_latency; + outbound_mtc_timecode_frame += _worst_output_latency; next_quarter_frame_to_send = 0; - // Sync slave to the same smpte time as we are on (except if negative, see above) + // Sync slave to the same Timecode time as we are on msg[0] = 0xf0; msg[1] = 0x7f; msg[2] = 0x7f; @@ -874,13 +818,15 @@ Session::send_full_time_code(jack_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; + msg[5] = mtc_timecode_bits | timecode.hours; + msg[6] = timecode.minutes; + msg[7] = timecode.seconds; + msg[8] = timecode.frames; + + cerr << "MTC: Sending full time code at " << outbound_mtc_timecode_frame << endl; // Send message at offset 0, sent time is for the start of this cycle - if (!_mtc_port->midimsg (msg, sizeof (msg), 0)) { + if (_mtc_port->midimsg (msg, sizeof (msg), 0)) { error << _("Session: could not send full MIDI time code") << endmsg; return -1; } @@ -888,127 +834,92 @@ Session::send_full_time_code(jack_nframes_t nframes) return 0; } -/** Sends all time code messages for this cycle. +/** 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 + * This function assumes the state of full Timecode 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 - * earlier in the cycle). + * 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(jack_nframes_t nframes) -{ - //cerr << "----------------------" << endl; - - // FIXME: remove, just for debug print statement - static jack_nframes_t last_time = 0; - +Session::send_midi_time_code_for_cycle(nframes_t nframes) +{ assert (next_quarter_frame_to_send >= 0); + assert (next_quarter_frame_to_send <= 7); - if (_mtc_port == 0 || !send_mtc || transmitting_smpte_time.negative - /*|| (next_quarter_frame_to_send < 0)*/ ) { - printf("Not sending MTC\n"); + if (_mtc_port == 0 || !session_send_mtc || transmitting_timecode_time.negative + /*|| (next_quarter_frame_to_send < 0)*/ ) { + // cerr << "(MTC) Not sending MTC\n"; return 0; } - + /* Duration of one quarter frame */ - jack_nframes_t quarter_frame_duration = ((long) _frames_per_smpte_frame) >> 2; - - // FIXME: what was transmitting_smpte_time before?? - //smpte_time(_transport_frame, transmitting_smpte_time); - //smpte_to_sample( transmitting_smpte_time, outbound_mtc_smpte_frame, true /* use_offset */, false ); - + nframes_t quarter_frame_duration = ((long) _frames_per_timecode_frame) >> 2; + + // cerr << "(MTC) TR: " << _transport_frame << " - SF: " << outbound_mtc_timecode_frame + // << " - NQ: " << next_quarter_frame_to_send << " - FD" << quarter_frame_duration << endl; + + // FIXME: this should always be true + //assert((outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) + // > _transport_frame); -#if 0 - if (_send_smpte_update) { - // Send full SMPTE time and reset quarter frames - cerr << "[DR] Sending full SMTPE update" << endl; - // Re-calculate timing of first quarter frame - smpte_to_sample( transmitting_smpte_time, outbound_mtc_smpte_frame, true /* use_offset */, false ); - // Compensate for audio latency - //outbound_mtc_smpte_frame += _worst_output_latency; - send_full_time_code(nframes); - _send_smpte_update = false; - next_quarter_frame_to_send = 0; - } -#endif - //cerr << "A - " << _transport_frame << " - " << outbound_mtc_smpte_frame - //<< " - " << next_quarter_frame_to_send << " - " << quarter_frame_duration << endl; - - // Note: Unlike the previous implementation of this function (for slow MIDI I/O), - // this now sends all MTC messages for _this_ frame, not messages from the past - // up until the start of the current frame (any messages in the past must have - // been sent last cycle). This assertion enforces this: - //assert(outbound_mtc_smpte_frame >= _transport_frame - // && (outbound_mtc_smpte_frame - _transport_frame) < nframes); - /*if ( ! (outbound_mtc_smpte_frame >= _transport_frame - && (outbound_mtc_smpte_frame - _transport_frame) < nframes)) { */ - if (outbound_mtc_smpte_frame + (next_quarter_frame_to_send * quarter_frame_duration) - < _transport_frame) { - cerr << "[MTC] ERROR: MTC message stamped " << outbound_mtc_smpte_frame - << " in cycle starting " << _transport_frame << endl; - return 0; - } else { - //cerr << "[MTC] OK" << endl; - } - // Send quarter frames for this cycle - while (_transport_frame + nframes > (outbound_mtc_smpte_frame + + while (_transport_frame + nframes > (outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration))) { - //cerr << "B: Next frame to send: " << next_quarter_frame_to_send << endl; + // cerr << "(MTC) Next frame to send: " << next_quarter_frame_to_send << endl; 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; - } + } - jack_nframes_t msg_time = (outbound_mtc_smpte_frame + const nframes_t msg_time = (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); - jack_nframes_t out_stamp = msg_time - _transport_frame; + nframes_t out_stamp = msg_time - _transport_frame; assert(out_stamp < nframes); - if (!_mtc_port->midimsg (mtc_msg, 2, out_stamp)) { - error << string_compose(_("Session: cannot send quarter-frame MTC message (%1)"), strerror (errno)) - << endmsg; + if (_mtc_port->midimsg (mtc_msg, 2, out_stamp)) { + error << string_compose(_("Session: cannot send quarter-frame MTC message (%1)"), strerror (errno)) + << endmsg; return -1; } - /*cerr << "smpte = " << transmitting_smpte_time.hours - << ":" << transmitting_smpte_time.minutes - << ":" << transmitting_smpte_time.seconds - << ":" << transmitting_smpte_time.frames + /*cerr << "(MTC) Timecode: " << transmitting_timecode_time.hours + << ":" << transmitting_timecode_time.minutes + << ":" << transmitting_timecode_time.seconds + << ":" << transmitting_timecode_time.frames << ", qfm = " << next_quarter_frame_to_send << ", stamp = " << out_stamp << ", delta = " << _transport_frame + out_stamp - last_time << endl;*/ - - last_time = _transport_frame + out_stamp; // Increment quarter frame counter next_quarter_frame_to_send++; @@ -1016,14 +927,14 @@ Session::send_midi_time_code_for_cycle(jack_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 ); - SMPTE::increment( transmitting_smpte_time ); + // Increment timecode time twice + Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() ); + Timecode::increment( transmitting_timecode_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; + //timecode_to_sample( transmitting_timecode_time, outbound_mtc_timecode_frame, true /* use_offset */, false ); + outbound_mtc_timecode_frame += 8 * quarter_frame_duration; // Compensate for audio latency - outbound_mtc_smpte_frame += _worst_output_latency; + outbound_mtc_timecode_frame += _worst_output_latency; } } @@ -1033,52 +944,34 @@ Session::send_midi_time_code_for_cycle(jack_nframes_t nframes) /*********************************************************************** OUTBOUND MMC STUFF **********************************************************************/ -/* -void -Session::send_mmc_in_another_thread (MIDI::MachineControl::Command cmd, jack_nframes_t target_frame) -{ - MIDIRequest* request; - - if (_mtc_port == 0 || !send_mmc) { - return; - } - request = new MIDIRequest; - request->type = MIDIRequest::SendMMC; - request->mmc_cmd = cmd; - request->locate_frame = target_frame; - - midi_requests.write (&request, 1); - poke_midi_thread (); -} -*/ void -Session::deliver_mmc (MIDI::MachineControl::Command cmd, jack_nframes_t where) +Session::deliver_mmc (MIDI::MachineControl::Command cmd, nframes_t where) { -#if 0 using namespace MIDI; int nbytes = 4; - SMPTE::Time smpte; + Timecode::Time timecode; - if (_mmc_port == 0 || !send_mmc) { + if (_mmc_port == 0 || !session_send_mmc) { + // cerr << "Not delivering MMC " << _mmc_port << " - " << session_send_mmc << endl; return; } mmc_buffer[nbytes++] = cmd; // cerr << "delivering MMC, cmd = " << hex << (int) cmd << dec << endl; - + switch (cmd) { case MachineControl::cmdLocate: - smpte_time_subframes (where, smpte); + timecode_time_subframes (where, timecode); 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; + mmc_buffer[nbytes++] = timecode.hours; + mmc_buffer[nbytes++] = timecode.minutes; + mmc_buffer[nbytes++] = timecode.seconds; + mmc_buffer[nbytes++] = timecode.frames; + mmc_buffer[nbytes++] = timecode.subframes; break; case MachineControl::cmdStop: @@ -1086,6 +979,7 @@ Session::deliver_mmc (MIDI::MachineControl::Command cmd, jack_nframes_t where) case MachineControl::cmdPlay: /* always convert Play into Deferred Play */ + /* Why? [DR] */ mmc_buffer[4] = MachineControl::cmdDeferredPlay; break; @@ -1109,14 +1003,10 @@ Session::deliver_mmc (MIDI::MachineControl::Command cmd, jack_nframes_t where) mmc_buffer[nbytes++] = 0xf7; // terminate SysEx/MMC message - LockMonitor lm (midi_lock, __LINE__, __FILE__); - - if (_mmc_port->write (mmc_buffer, nbytes) != nbytes) { + if (_mmc_port->midimsg (mmc_buffer, nbytes, 0)) { error << string_compose(_("MMC: cannot send command %1%2%3"), &hex, cmd, &dec) << endmsg; } } -#endif - cout << "MMC support broken." << endl; } bool @@ -1148,76 +1038,10 @@ Session::mmc_step_timeout () return true; } - -void -Session::send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t ch, MIDI::EventTwoBytes data) -{ - // in another thread, really - /* - MIDIRequest* request = new MIDIRequest; - - request->type = MIDIRequest::SendMessage; - request->port = port; - request->ev = ev; - request->chan = ch; - request->data = data; - - midi_requests.write (&request, 1); - poke_midi_thread (); - */ -} - -void -Session::deliver_midi (MIDI::Port * port, MIDI::byte* buf, int32_t bufsize) -{ - // in another thread, really - /* - MIDIRequest* request = new MIDIRequest; - - request->type = MIDIRequest::Deliver; - request->port = port; - request->buf = buf; - request->size = bufsize; - - midi_requests.write (&request, 1); - poke_midi_thread (); - */ -} - -#if 0 -void -Session::deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t ch, MIDI::EventTwoBytes data) -{ - if (port == 0 || ev == MIDI::none) { - return; - } - - midi_msg[0] = (ev & 0xF0) | (ch & 0xF); - midi_msg[1] = data.controller_number; - midi_msg[2] = data.value; - - port->write (midi_msg, 3); -} - -void -Session::deliver_data (MIDI::Port * port, MIDI::byte* buf, int32_t size) -{ - if (port) { - port->write (buf, size); - } - - /* this is part of the semantics of the Deliver request */ - - delete [] buf; -} -#endif - - /*--------------------------------------------------------------------------- - MIDI THREAD + MIDI THREAD ---------------------------------------------------------------------------*/ -#if 0 int Session::start_midi_thread () { @@ -1241,29 +1065,30 @@ Session::start_midi_thread () return -1; } - // pthread_detach (midi_thread); - return 0; } void Session::terminate_midi_thread () { - MIDIRequest* request = new MIDIRequest; - void* status; + if (midi_thread) { - request->type = MIDIRequest::Quit; + MIDIRequest* request = new MIDIRequest; + void* status; - midi_requests.write (&request, 1); - poke_midi_thread (); + request->type = MIDIRequest::Quit; + + midi_requests.write (&request, 1); + poke_midi_thread (); - pthread_join (midi_thread, &status); + pthread_join (midi_thread, &status); + } } void Session::poke_midi_thread () { - char c; + static char c = 0; if (write (midi_request_pipe[1], &c, 1) != 1) { error << string_compose(_("cannot send signal to midi thread! (%1)"), strerror (errno)) << endmsg; @@ -1293,21 +1118,18 @@ Session::midi_thread_work () bool restart; vector ports; - PBD::ThreadCreatedWithRequestSize (pthread_self(), X_("MIDI"), 2048); + 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. - } + } - /* set up the port vector; 4 is the largest possible size for now */ + /* set up the port vector; 5 is the largest possible size for now */ - ports.push_back (0); - ports.push_back (0); - ports.push_back (0); - ports.push_back (0); + ports.assign (5, (MIDI::Port*) 0); while (1) { @@ -1317,14 +1139,11 @@ Session::midi_thread_work () pfd[nfds].events = POLLIN|POLLHUP|POLLERR; nfds++; - /* if we are using MMC control, we obviously have to listen - on the appropriate port. - */ - - if (mmc_control && _mmc_port && _mmc_port->selectable() >= 0) { + 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++; } @@ -1333,20 +1152,33 @@ Session::midi_thread_work () the relevant port. */ - if (_mtc_port && (_mtc_port != _mmc_port || !mmc_control) && _mtc_port->selectable() >= 0) { + 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 (_midi_port && (_midi_port != _mmc_port || !mmc_control) && (_midi_port != _mtc_port) && _midi_port->selectable() >= 0) { + /* 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 { @@ -1368,7 +1200,6 @@ Session::midi_thread_work () // cerr << "MIDI thread wakes at " << get_cycles () << endl; fds_ready = 0; - restart = false; /* check the transport request pipe */ @@ -1380,7 +1211,7 @@ Session::midi_thread_work () if (pfd[0].revents & POLLIN) { char foo[16]; - + // cerr << "MIDI request FIFO ready\n"; fds_ready++; @@ -1408,49 +1239,18 @@ Session::midi_thread_work () while (midi_requests.read (&request, 1) == 1) { switch (request->type) { - - case MIDIRequest::SendFullMTC: - // cerr << "send full MTC\n"; - send_full_time_code (); - // cerr << "... done\n"; - break; - - case MIDIRequest::SendMTC: - // cerr << "send qtr MTC\n"; - send_midi_time_code (); - // cerr << "... done\n"; - break; - - case MIDIRequest::SendMMC: - // cerr << "send MMC\n"; - deliver_mmc (request->mmc_cmd, request->locate_frame); - // cerr << "... done\n"; - break; - - case MIDIRequest::SendMessage: - // cerr << "send Message\n"; - deliver_midi_message (request->port, request->ev, request->chan, request->data); - // cerr << "... done\n"; - break; - - case MIDIRequest::Deliver: - // cerr << "deliver\n"; - deliver_data (_midi_port, request->buf, request->size); - // cerr << "... done\n"; - break; - case MIDIRequest::PortChange: /* restart poll with new ports */ // cerr << "rebind\n"; restart = true; break; - + case MIDIRequest::Quit: delete request; pthread_exit_pbd (0); /*NOTREACHED*/ break; - + default: break; } @@ -1459,7 +1259,7 @@ Session::midi_thread_work () delete request; } - } + } if (restart) { continue; @@ -1472,42 +1272,30 @@ Session::midi_thread_work () // error << string_compose(_("Transport: error polling MIDI port %1 (revents =%2%3%4"), p, &hex, pfd[p].revents, &dec) << endmsg; break; } - + if (pfd[p].revents & POLLIN) { fds_ready++; - midi_read (ports[p]); + ports[p]->parse (); } } /* timeout driven */ - + if (fds_ready < 2 && timeout != -1) { for (MidiTimeoutList::iterator i = midi_timeouts.begin(); i != midi_timeouts.end(); ) { - + MidiTimeoutList::iterator tmp; tmp = i; ++tmp; - + if (!(*i)()) { midi_timeouts.erase (i); } - + i = tmp; } } } } -#endif -bool -Session::get_mmc_control () const -{ - return mmc_control; -} - -bool -Session::get_midi_control () const -{ - return midi_control; -}