-
/*
Copyright (C) 1999-2002 Paul Davis
#include <cerrno>
#include <cassert>
#include <unistd.h>
-#include <fcntl.h>
-#include <poll.h>
#include <boost/shared_ptr.hpp>
#include "midi++/mmc.h"
#include "midi++/port.h"
-#include "midi++/manager.h"
+
#include "pbd/error.h"
#include "pbd/pthread_utils.h"
+#include "pbd/timersub.h"
+#include "pbd/stacktrace.h"
+
+#include "temporal/time.h"
-#include "ardour/configuration.h"
-#include "ardour/debug.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/midi_ui.h"
-#include "ardour/audio_diskstream.h"
-#include "ardour/slave.h"
-#include "ardour/cycles.h"
-#include "ardour/timecode.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 MIDI;
using namespace Glib;
-MachineControl::CommandSignature MMC_CommandSignature;
-MachineControl::ResponseSignature MMC_ResponseSignature;
-
-
void
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<MTC_Slave*> (_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<MTC_Slave*> (_slave)) != 0)) {
- ms->rebind (*port);
- }
-
- Config->set_mtc_port_name (port_tag);
-
- out:
- MTC_PortChanged(); /* EMIT SIGNAL */
- 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 (*this, boost::bind (&Session::mmc_deferred_play, this, _1));
- mmc->DeferredPlay.connect (*this, boost::bind (&Session::mmc_deferred_play, this, _1));
- mmc->Stop.connect (*this, boost::bind (&Session::mmc_stop, this, _1));
- mmc->FastForward.connect (*this, boost::bind (&Session::mmc_fast_forward, this, _1));
- mmc->Rewind.connect (*this, boost::bind (&Session::mmc_rewind, this, _1));
- mmc->Pause.connect (*this, boost::bind (&Session::mmc_pause, this, _1));
- mmc->RecordPause.connect (*this, boost::bind (&Session::mmc_record_pause, this, _1));
- mmc->RecordStrobe.connect (*this, boost::bind (&Session::mmc_record_strobe, this, _1));
- mmc->RecordExit.connect (*this, boost::bind (&Session::mmc_record_exit, this, _1));
- mmc->Locate.connect (*this, boost::bind (&Session::mmc_locate, this, _1, _2));
- mmc->Step.connect (*this, boost::bind (&Session::mmc_step, this, _1, _2));
- mmc->Shuttle.connect (*this, boost::bind (&Session::mmc_shuttle, this, _1, _2, _3));
- mmc->TrackRecordStatusChange.connect (*this, boost::bind (&Session::mmc_record_enable, this, _1, _2, _3));
-
-
- /* also handle MIDI SPP because its so common */
-
- _mmc_port->input()->start.connect (*this, boost::bind (&Session::spp_start, this, _1, _2));
- _mmc_port->input()->contineu.connect (*this, boost::bind (&Session::spp_continue, this, _1, _2));
- _mmc_port->input()->stop.connect (*this, boost::bind (&Session::spp_stop, this, _1, _2));
-
- Config->set_mmc_port_name (port_tag);
-
- out:
- MMC_PortChanged(); /* EMIT SIGNAL */
- 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 */
- 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<MIDIClock_Slave*> (_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<MIDIClock_Slave*> (_slave)) != 0)) {
- ms->rebind (*port);
- }
-
- Config->set_midi_clock_port_name (port_tag);
-
- out:
- MIDIClock_PortChanged(); /* EMIT SIGNAL */
- 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_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;
}
void
-Session::spp_start (Parser &, nframes_t /*timestamp*/)
+Session::spp_start ()
{
- if (Config->get_mmc_control() && (!config.get_external_sync() || config.get_sync_source() != JACK)) {
+ 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&, nframes_t /*timestamp*/)
+Session::spp_stop ()
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
request_stop ();
}
}
void
Session::mmc_deferred_play (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control() && (!config.get_external_sync() || (config.get_sync_source() != JACK))) {
+ if (Config->get_mmc_control ()) {
request_transport_speed (1.0);
}
}
void
Session::mmc_record_pause (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
maybe_enable_record();
}
}
void
Session::mmc_record_strobe (MIDI::MachineControl &/*mmc*/)
{
- if (!Config->get_mmc_control())
+ if (Profile->get_trx()) {
+
+ /* 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;
+ }
+
+ if (!Config->get_mmc_control() || (_step_editors > 0)) {
return;
+ }
/* record strobe does an implicit "Play" command */
void
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*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
request_stop ();
}
}
void
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
void
Session::mmc_step (MIDI::MachineControl &/*mmc*/, int steps)
{
- if (!Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
return;
}
<< endl;
#endif
- request_transport_speed (step_speed);
+ request_transport_speed_nonzero (step_speed);
last_mmc_step = now;
if (!step_queued) {
void
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*/)
{
- 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)
{
- if (!Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
return;
}
- nframes_t target_frame;
+ samplepos_t target_sample;
Timecode::Time timecode;
timecode.hours = mmc_tc[0] & 0xf;
timecode.drop = timecode_drop_frames();
// Also takes timecode offset into account:
- timecode_to_sample( timecode, target_frame, true /* use_offset */, false /* use_subframes */ );
+ 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<MTC_Slave*> (_slave);
+ boost::shared_ptr<MTC_TransportMaster> mtcs = boost::dynamic_pointer_cast<MTC_TransportMaster> (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)
{
- if (!Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
return;
}
}
if (forw) {
- request_transport_speed (speed);
+ request_transport_speed_nonzero (speed);
} else {
- request_transport_speed (-speed);
+ request_transport_speed_nonzero (-speed);
}
}
+boost::shared_ptr<Route>
+Session::get_midi_nth_route_by_id (PresentationInfo::order_t n) const
+{
+ PresentationInfo::Flag f;
+
+ /* These numbers are defined by the MMC specification.
+ */
+
+ if (n == 318) {
+ f = PresentationInfo::MasterOut;
+ } else if (n == 319) {
+ f = PresentationInfo::MonitorOut;
+ } else {
+ f = PresentationInfo::Route;
+ }
+
+ boost::shared_ptr<RouteList> r = routes.reader ();
+ PresentationInfo::order_t match_cnt = 0;
+
+ 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<Route>();
+}
+
void
Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled)
{
- if (Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
+ return;
+ }
- RouteList::iterator i;
- boost::shared_ptr<RouteList> r = routes.reader();
+ boost::shared_ptr<Route> r = get_midi_nth_route_by_id (trk);
- for (i = r->begin(); i != r->end(); ++i) {
- AudioTrack *at;
+ if (r) {
+ boost::shared_ptr<AudioTrack> at;
- if ((at = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
- if (trk == at->remote_control_id()) {
- at->set_record_enable (enabled, &mmc);
- break;
- }
- }
+ if ((at = boost::dynamic_pointer_cast<AudioTrack> (r))) {
+ at->rec_enable_control()->set_value (enabled, Controllable::UseGroup);
}
}
}
/** 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];
_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 timecode time for this transport frame
- sample_to_timecode(_transport_frame, timecode, true /* use_offset */, false /* no subframes */);
+ // Get timecode time for the given time
+ sample_to_timecode (t, timecode, true /* use_offset */, false /* no subframes */);
+ // 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;
- outbound_mtc_timecode_frame = _transport_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;
+ }
+
+ 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 frame
- Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() );
- outbound_mtc_timecode_frame += (nframes_t) _frames_per_timecode_frame;
+ // 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;
}
- // Compensate for audio latency
- outbound_mtc_timecode_frame += _worst_output_latency;
-
next_quarter_frame_to_send = 0;
// Sync slave to the same Timecode time as we are on
msg[4] = 0x1;
msg[9] = 0xf7;
- msg[5] = mtc_timecode_bits | timecode.hours;
+ msg[5] = mtc_timecode_bits | (timecode.hours % 24);
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)) {
- 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.
+ * 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 frame of reference (any
+ * 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_timecode_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_timecode_frame) >> 2;
+ double const quarter_frame_duration = _samples_per_timecode_frame / 4.0;
- 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));
+ 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_timecode_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_timecode_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))) {
- DEBUG_TRACE (DEBUG::MTC, string_compose ("next frame to send: %1\n", next_quarter_frame_to_send));
+ 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_timecode_time.frames & 0xf);
+ mtc_msg[1] = 0x00 | (transmitting_timecode_time.frames & 0xf);
break;
case 1:
- mtc_msg[1] = 0x10 | ((transmitting_timecode_time.frames & 0xf0) >> 4);
+ mtc_msg[1] = 0x10 | ((transmitting_timecode_time.frames & 0xf0) >> 4);
break;
case 2:
- mtc_msg[1] = 0x20 | (transmitting_timecode_time.seconds & 0xf);
+ mtc_msg[1] = 0x20 | (transmitting_timecode_time.seconds & 0xf);
break;
case 3:
- mtc_msg[1] = 0x30 | ((transmitting_timecode_time.seconds & 0xf0) >> 4);
+ mtc_msg[1] = 0x30 | ((transmitting_timecode_time.seconds & 0xf0) >> 4);
break;
case 4:
- mtc_msg[1] = 0x40 | (transmitting_timecode_time.minutes & 0xf);
+ mtc_msg[1] = 0x40 | (transmitting_timecode_time.minutes & 0xf);
break;
case 5:
mtc_msg[1] = 0x50 | ((transmitting_timecode_time.minutes & 0xf0) >> 4);
break;
case 6:
- mtc_msg[1] = 0x60 | ((mtc_timecode_bits|transmitting_timecode_time.hours) & 0xf);
+ mtc_msg[1] = 0x60 | ((mtc_timecode_bits | transmitting_timecode_time.hours) & 0xf);
break;
case 7:
- mtc_msg[1] = 0x70 | (((mtc_timecode_bits|transmitting_timecode_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_timecode_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;
}
#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));
+ 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
// Wrap quarter frame counter
next_quarter_frame_to_send = 0;
// 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
- //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_timecode_frame += _worst_output_latency;
+ 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;
}
}
**********************************************************************/
void
-Session::deliver_mmc (MIDI::MachineControl::Command cmd, nframes_t where)
+Session::send_immediate_mmc (MachineControlCommand c)
{
- using namespace MIDI;
- int nbytes = 4;
- Timecode::Time timecode;
-
- 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:
- timecode_time_subframes (where, timecode);
-
- mmc_buffer[nbytes++] = 0x6; // byte count
- mmc_buffer[nbytes++] = 0x1; // "TARGET" subcommand
- 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:
- 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
/* slow it down */
- request_transport_speed (_transport_speed * 0.75);
+ request_transport_speed_nonzero (_transport_speed * 0.75);
return true;
}
-/*---------------------------------------------------------------------------
- MIDI THREAD
- ---------------------------------------------------------------------------*/
+/***********************************************************************
+ OUTBOUND SYSTEM COMMON STUFF
+**********************************************************************/
+
+
+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;
}
+boost::shared_ptr<ARDOUR::Port>
+Session::midi_input_port () const
+{
+ return _midi_ports->midi_input_port ();
+}
+
+boost::shared_ptr<ARDOUR::Port>
+Session::midi_output_port () const
+{
+ return _midi_ports->midi_output_port ();
+}
+
+boost::shared_ptr<ARDOUR::Port>
+Session::mmc_output_port () const
+{
+ return _midi_ports->mmc_output_port ();
+}
+
+boost::shared_ptr<ARDOUR::Port>
+Session::mmc_input_port () const
+{
+ return _midi_ports->mmc_input_port ();
+}
+
+boost::shared_ptr<ARDOUR::Port>
+Session::scene_output_port () const
+{
+ return _midi_ports->scene_output_port ();
+}
+
+boost::shared_ptr<ARDOUR::Port>
+Session::scene_input_port () const
+{
+ return _midi_ports->scene_input_port ();
+}
+
+boost::shared_ptr<MidiPort>
+Session::midi_clock_output_port () const
+{
+ return _midi_ports->midi_clock_output_port ();
+}
+
+
+boost::shared_ptr<MidiPort>
+Session::mtc_output_port () const
+{
+ return _midi_ports->mtc_output_port ();
+}
+
void
-Session::terminate_midi_thread ()
+Session::midi_track_presentation_info_changed (PropertyChange const& what_changed, boost::weak_ptr<MidiTrack> mt)
{
- if (midi_control_ui) {
- midi_control_ui->quit ();
+ if (!Config->get_midi_input_follows_selection()) {
+ return;
+ }
+
+ if (!what_changed.contains (Properties::selected)) {
+ return;
+ }
+
+ boost::shared_ptr<MidiTrack> new_midi_target (mt.lock ());
+
+ if (new_midi_target->is_selected()) {
+ rewire_selected_midi (new_midi_target);
}
}
+void
+Session::rewire_selected_midi (boost::shared_ptr<MidiTrack> new_midi_target)
+{
+ if (!new_midi_target) {
+ return;
+ }
+
+ boost::shared_ptr<MidiTrack> old_midi_target = current_midi_target.lock ();
+
+ if (new_midi_target == old_midi_target) {
+ return;
+ }
+
+ vector<string> msp;
+ AudioEngine::instance()->get_midi_selection_ports (msp);
+
+ if (!msp.empty()) {
+
+ if (old_midi_target) {
+ old_midi_target->input()->disconnect (this);
+ }
+ for (vector<string>::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);
+ }
+ }
+
+ current_midi_target = new_midi_target;
+}
+
+void
+Session::rewire_midi_selection_ports ()
+{
+ if (!Config->get_midi_input_follows_selection()) {
+ return;
+ }
+
+ boost::shared_ptr<MidiTrack> target = current_midi_target.lock();
+
+ if (!target) {
+ return;
+ }
+
+ vector<string> msp;
+ AudioEngine::instance()->get_midi_selection_ports (msp);
+
+ if (msp.empty()) {
+ return;
+ }
+
+ target->input()->disconnect (this);
+
+ for (vector<string>::const_iterator p = msp.begin(); p != msp.end(); ++p) {
+ AudioEngine::instance()->disconnect (*p);
+ target->input()->connect (target->input()->nth (0), (*p), this);
+ }
+}
projects / ardour.git / blobdiff