-
/*
Copyright (C) 1999-2002 Paul Davis
#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 "timecode/time.h"
+
#include "ardour/audio_track.h"
+#include "ardour/audioengine.h"
+#include "ardour/debug.h"
#include "ardour/midi_track.h"
#include "ardour/midi_ui.h"
-#include "ardour/audio_diskstream.h"
+#include "ardour/session.h"
#include "ardour/slave.h"
-#include "ardour/cycles.h"
-#include "ardour/timecode.h"
#include "i18n.h"
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_same_thread (*this, boost::bind (&Session::mmc_deferred_play, this, _1));
- mmc->DeferredPlay.connect_same_thread (*this, boost::bind (&Session::mmc_deferred_play, this, _1));
- mmc->Stop.connect_same_thread (*this, boost::bind (&Session::mmc_stop, this, _1));
- mmc->FastForward.connect_same_thread (*this, boost::bind (&Session::mmc_fast_forward, this, _1));
- mmc->Rewind.connect_same_thread (*this, boost::bind (&Session::mmc_rewind, this, _1));
- mmc->Pause.connect_same_thread (*this, boost::bind (&Session::mmc_pause, this, _1));
- mmc->RecordPause.connect_same_thread (*this, boost::bind (&Session::mmc_record_pause, this, _1));
- mmc->RecordStrobe.connect_same_thread (*this, boost::bind (&Session::mmc_record_strobe, this, _1));
- mmc->RecordExit.connect_same_thread (*this, boost::bind (&Session::mmc_record_exit, this, _1));
- mmc->Locate.connect_same_thread (*this, boost::bind (&Session::mmc_locate, this, _1, _2));
- mmc->Step.connect_same_thread (*this, boost::bind (&Session::mmc_step, this, _1, _2));
- mmc->Shuttle.connect_same_thread (*this, boost::bind (&Session::mmc_shuttle, this, _1, _2, _3));
- mmc->TrackRecordStatusChange.connect_same_thread (*this, boost::bind (&Session::mmc_record_enable, this, _1, _2, _3));
-
-
- /* also handle MIDI SPP because its so common */
-
- _mmc_port->input()->start.connect_same_thread (*this, boost::bind (&Session::spp_start, this, _1, _2));
- _mmc_port->input()->contineu.connect_same_thread (*this, boost::bind (&Session::spp_continue, this, _1, _2));
- _mmc_port->input()->stop.connect_same_thread (*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 */
mtc_msg[0] = 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 (!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;
+ framepos_t target_frame;
Timecode::Time timecode;
timecode.hours = mmc_tc[0] & 0xf;
// 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;
+ if (target_frame > max_framepos) {
+ target_frame = max_framepos;
}
/* Some (all?) MTC/MMC devices do not send a full MTC frame
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);
}
}
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();
+ RouteList::iterator i;
+ boost::shared_ptr<RouteList> r = routes.reader();
- for (i = r->begin(); i != r->end(); ++i) {
- AudioTrack *at;
+ for (i = r->begin(); i != r->end(); ++i) {
+ 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 = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
+ if (trk == at->remote_control_id()) {
+ at->set_record_enabled (enabled, &mmc);
+ break;
}
}
}
/** 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 (framepos_t const t)
{
/* This function could easily send at a given frame offset, but would
* that be useful? Does ardour do sub-block accurate locating? [DR] */
_send_timecode_update = false;
- if (_mtc_port == 0 || !session_send_mtc) {
+ if (_engine.freewheeling() || !Config->get_send_mtc() || _slave) {
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 */);
transmitting_timecode_time = timecode;
- outbound_mtc_timecode_frame = _transport_frame;
+ outbound_mtc_timecode_frame = t;
// 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;
+ Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
+ outbound_mtc_timecode_frame += _frames_per_timecode_frame;
}
// Compensate for audio latency
- outbound_mtc_timecode_frame += _worst_output_latency;
-
+ outbound_mtc_timecode_frame += worst_playback_latency();
next_quarter_frame_to_send = 0;
// Sync slave to the same Timecode time as we are on
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 (MIDI::Manager::instance()->mtc_output_port()->midimsg (msg, sizeof (msg), 0)) {
error << _("Session: could not send full MIDI time code") << endmsg;
return -1;
}
+ _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
* 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 (framepos_t start_frame, framepos_t end_frame, 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)*/ ) {
+ if (_engine.freewheeling() || _slave || !_send_qf_mtc || transmitting_timecode_time.negative || (next_quarter_frame_to_send < 0)) {
// cerr << "(MTC) Not sending MTC\n";
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;
+ framecnt_t const quarter_frame_duration = ((framecnt_t) _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,
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 NQ %3 FD %4\n", start_frame, 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);
-
+ 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_timecode_frame +
- (next_quarter_frame_to_send * quarter_frame_duration))) {
+ /* Send quarter frames for this cycle */
+ while (end_frame > (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));
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 framepos_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);
+ assert (msg_time >= start_frame);
+ assert (msg_time < end_frame);
- nframes_t out_stamp = msg_time - _transport_frame;
- assert(out_stamp < nframes);
+ /* convert from session frames back to JACK frames using the transport speed */
+ pframes_t const out_stamp = (msg_time - start_frame) / _transport_speed;
+ assert (out_stamp < nframes);
- if (_mtc_port->midimsg (mtc_msg, 2, out_stamp)) {
+ if (MIDI::Manager::instance()->mtc_output_port()->midimsg (mtc_msg, 2, out_stamp)) {
error << string_compose(_("Session: cannot send quarter-frame MTC message (%1)"), strerror (errno))
<< endmsg;
return -1;
// 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() );
+ 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;
}
}
OUTBOUND MMC STUFF
**********************************************************************/
-void
-Session::deliver_mmc (MIDI::MachineControl::Command cmd, nframes_t where)
-{
- 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;
- }
-
- 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
Session::mmc_step_timeout ()
/* slow it down */
- request_transport_speed (_transport_speed * 0.75);
+ request_transport_speed_nonzero (_transport_speed * 0.75);
return true;
}
-/*---------------------------------------------------------------------------
- MIDI THREAD
- ---------------------------------------------------------------------------*/
-
int
Session::start_midi_thread ()
{
return 0;
}
-void
-Session::terminate_midi_thread ()
-{
- if (midi_control_ui) {
- midi_control_ui->quit ();
- }
-}
-
-
projects / ardour.git / blobdiff