X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_midi.cc;h=4388fe6dca6d437fbe208315d36518d5d53e361a;hb=c38e02285fda1fd7966c9e4ad85994445247e6a6;hp=eca6d25ea84244159d3ef86b1a6a38a2a19ee903;hpb=022c45361e77d5848f4a10abbe6a2cd3577db42c;p=ardour.git diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc index eca6d25ea8..4388fe6dca 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 @@ -26,21 +26,27 @@ #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 "pbd/pthread_utils.h" + +#include "ardour/configuration.h" +#include "ardour/debug.h" +#include "ardour/audioengine.h" +#include "ardour/session.h" +#include "ardour/audio_track.h" +#include "ardour/midi_track.h" +#include "ardour/midi_ui.h" +#include "ardour/audio_diskstream.h" +#include "ardour/slave.h" +#include "ardour/cycles.h" +#include "ardour/timecode.h" #include "i18n.h" @@ -48,10 +54,27 @@ using namespace std; using namespace ARDOUR; using namespace PBD; using namespace MIDI; +using namespace Glib; MachineControl::CommandSignature MMC_CommandSignature; MachineControl::ResponseSignature MMC_ResponseSignature; + +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 () { @@ -75,8 +98,14 @@ 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; -} +} /*********************************************************************** @@ -120,7 +149,6 @@ Session::set_mtc_port (string port_tag) out: MTC_PortChanged(); /* EMIT SIGNAL */ - change_midi_ports (); set_dirty(); return 0; } @@ -171,7 +199,7 @@ Session::set_mmc_port (string port_tag) delete mmc; } - mmc = new MIDI::MachineControl (*_mmc_port, 1.0, + mmc = new MIDI::MachineControl (*_mmc_port, 1.0, MMC_CommandSignature, MMC_ResponseSignature); @@ -180,29 +208,29 @@ Session::set_mmc_port (string port_tag) 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)); @@ -213,18 +241,17 @@ Session::set_mmc_port (string port_tag) _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) +Session::set_midi_port (string /*port_tag*/) { #if 0 if (port_tag.length() == 0) { @@ -242,9 +269,9 @@ 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); @@ -252,7 +279,47 @@ Session::set_midi_port (string 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 */ set_dirty(); return 0; } @@ -262,6 +329,8 @@ 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: "); @@ -273,7 +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: "); @@ -285,6 +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); @@ -305,7 +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: "); @@ -338,7 +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(); @@ -370,7 +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(); @@ -391,18 +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] = (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; @@ -414,21 +492,21 @@ Session::setup_midi_control () } void -Session::spp_start (Parser& ignored) +Session::spp_start (Parser &, nframes_t /*timestamp*/) { - if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) { + if (Config->get_mmc_control() && (!config.get_external_sync() || config.get_sync_source() != JACK)) { request_transport_speed (1.0); } } void -Session::spp_continue (Parser& ignored) +Session::spp_continue (Parser& ignored, nframes_t timestamp) { - spp_start (ignored); + spp_start (ignored, timestamp); } void -Session::spp_stop (Parser& ignored) +Session::spp_stop (Parser&, nframes_t /*timestamp*/) { if (Config->get_mmc_control()) { request_stop (); @@ -436,15 +514,15 @@ Session::spp_stop (Parser& ignored) } void -Session::mmc_deferred_play (MIDI::MachineControl &mmc) +Session::mmc_deferred_play (MIDI::MachineControl &/*mmc*/) { - if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) { + if (Config->get_mmc_control() && (!config.get_external_sync() || (config.get_sync_source() != JACK))) { request_transport_speed (1.0); } } void -Session::mmc_record_pause (MIDI::MachineControl &mmc) +Session::mmc_record_pause (MIDI::MachineControl &/*mmc*/) { if (Config->get_mmc_control()) { maybe_enable_record(); @@ -452,9 +530,9 @@ Session::mmc_record_pause (MIDI::MachineControl &mmc) } void -Session::mmc_record_strobe (MIDI::MachineControl &mmc) +Session::mmc_record_strobe (MIDI::MachineControl &/*mmc*/) { - if (!Config->get_mmc_control()) + if (!Config->get_mmc_control()) return; /* record strobe does an implicit "Play" command */ @@ -466,11 +544,11 @@ 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); g_atomic_int_set (&_record_status, Enabled); RecordStateChanged (); /* EMIT SIGNAL */ - + request_transport_speed (1.0); } else { @@ -480,7 +558,7 @@ 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()) { disable_record (false); @@ -488,7 +566,7 @@ Session::mmc_record_exit (MIDI::MachineControl &mmc) } void -Session::mmc_stop (MIDI::MachineControl &mmc) +Session::mmc_stop (MIDI::MachineControl &/*mmc*/) { if (Config->get_mmc_control()) { request_stop (); @@ -496,7 +574,7 @@ Session::mmc_stop (MIDI::MachineControl &mmc) } void -Session::mmc_pause (MIDI::MachineControl &mmc) +Session::mmc_pause (MIDI::MachineControl &/*mmc*/) { if (Config->get_mmc_control()) { @@ -516,7 +594,7 @@ 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()) { return; @@ -526,7 +604,7 @@ 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); @@ -535,10 +613,10 @@ 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; @@ -549,25 +627,29 @@ 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; 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 (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()) { request_transport_speed(-8.0f); @@ -575,7 +657,7 @@ Session::mmc_rewind (MIDI::MachineControl &mmc) } void -Session::mmc_fast_forward (MIDI::MachineControl &mmc) +Session::mmc_fast_forward (MIDI::MachineControl &/*mmc*/) { if (Config->get_mmc_control()) { request_transport_speed(8.0f); @@ -583,25 +665,25 @@ Session::mmc_fast_forward (MIDI::MachineControl &mmc) } 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()) { return; } nframes_t target_frame; - SMPTE::Time smpte; - - 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(); - - // Also takes smpte offset into account: - smpte_to_sample( smpte, target_frame, true /* use_offset */, false /* use_subframes */ ); - + 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 */ ); + if (target_frame > max_frames) { target_frame = max_frames; } @@ -624,7 +706,7 @@ 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) { if (!Config->get_mmc_control()) { return; @@ -648,7 +730,7 @@ Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled) RouteList::iterator i; boost::shared_ptr r = routes.reader(); - + for (i = r->begin(); i != r->end(); ++i) { AudioTrack *at; @@ -662,55 +744,44 @@ 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. +/** 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(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? 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) { return 0; } - - // Get smpte time for this transport frame - sample_to_smpte(_transport_frame, smpte, true /* use_offset */, false /* no subframes */); - transmitting_smpte_time = smpte; - outbound_mtc_smpte_frame = _transport_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_smpte_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_smpte_time.frames % 2)) { + if (((mtc_timecode_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_timecode_time.frames % 2)) { // start MTC quarter frame transmission on an even frame - SMPTE::increment( transmitting_smpte_time ); - outbound_mtc_smpte_frame += (nframes_t) _frames_per_smpte_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 + // Sync slave to the same Timecode time as we are on msg[0] = 0xf0; msg[1] = 0x7f; msg[2] = 0x7f; @@ -718,12 +789,12 @@ 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; + 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_smpte_frame << endl; + 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)) { @@ -734,73 +805,72 @@ Session::send_full_time_code(nframes_t nframes) return 0; } - -/** Sends MTC (quarter-frame) 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 + * 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) -{ +{ 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 + + 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 */ - nframes_t quarter_frame_duration = ((long) _frames_per_smpte_frame) >> 2; - - // cerr << "(MTC) TR: " << _transport_frame << " - SF: " << outbound_mtc_smpte_frame - // << " - NQ: " << next_quarter_frame_to_send << " - FD" << quarter_frame_duration << endl; - + nframes_t quarter_frame_duration = ((long) _frames_per_timecode_frame) >> 2; + + DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 NQ %3 FD %\4n", _transport_frame, 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)) + //assert((outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) // > _transport_frame); - + // 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 << "(MTC) Next frame to send: " << next_quarter_frame_to_send << endl; + + DEBUG_TRACE (DEBUG::MTC, string_compose ("next frame 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 + } + + 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); @@ -809,33 +879,32 @@ Session::send_midi_time_code_for_cycle(nframes_t nframes) 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)) + 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 + DEBUG_STR_SET(foo,"sending "); + DEBUG_STR(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++; 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; } } @@ -851,7 +920,7 @@ Session::deliver_mmc (MIDI::MachineControl::Command cmd, nframes_t where) { using namespace MIDI; int nbytes = 4; - SMPTE::Time smpte; + Timecode::Time timecode; if (_mmc_port == 0 || !session_send_mmc) { // cerr << "Not delivering MMC " << _mmc_port << " - " << session_send_mmc << endl; @@ -861,18 +930,18 @@ Session::deliver_mmc (MIDI::MachineControl::Command cmd, nframes_t where) 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: @@ -906,7 +975,7 @@ Session::deliver_mmc (MIDI::MachineControl::Command cmd, nframes_t where) if (_mmc_port->midimsg (mmc_buffer, nbytes, 0)) { error << string_compose(_("MMC: cannot send command %1%2%3"), &hex, cmd, &dec) << endmsg; - } + } } } @@ -940,253 +1009,23 @@ Session::mmc_step_timeout () } /*--------------------------------------------------------------------------- - MIDI THREAD + 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; - } - - 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; - } - + midi_control_ui = new MidiControlUI (*this); + midi_control_ui->run (); return 0; } void Session::terminate_midi_thread () { - if (midi_thread) { - - MIDIRequest* request = new MIDIRequest; - void* status; - - request->type = MIDIRequest::Quit; - - midi_requests.write (&request, 1); - poke_midi_thread (); - - pthread_join (midi_thread, &status); + if (midi_control_ui) { + midi_control_ui->quit (); } } -void -Session::poke_midi_thread () -{ - 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; - } -} - -void * -Session::_midi_thread_work (void* arg) -{ - pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, 0); - pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0); - - ((Session *) arg)->midi_thread_work (); - return 0; -} - -void -Session::midi_thread_work () -{ - 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::ThreadCreatedWithRequestSize (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 */ - - ports.assign (4, (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; - 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; - 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; - 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 (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*/ - } - } - - while (midi_requests.read (&request, 1) == 1) { - - switch (request->type) { - 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; - } - - - delete request; - } - - } - - if (restart) { - continue; - } - - /* 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; - } - - if (pfd[p].revents & POLLIN) { - fds_ready++; - 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; - } - } - } -}