#include <cerrno>
#include <cassert>
#include <unistd.h>
-#include <fcntl.h>
-#include <poll.h>
#include <boost/shared_ptr.hpp>
#include "pbd/error.h"
#include "pbd/pthread_utils.h"
+#include "pbd/timersub.h"
+#include "pbd/stacktrace.h"
-#include "timecode/time.h"
+#include "temporal/time.h"
#include "ardour/audio_track.h"
#include "ardour/audioengine.h"
#include "ardour/midi_port.h"
#include "ardour/midi_track.h"
#include "ardour/midi_ui.h"
+#include "ardour/profile.h"
#include "ardour/session.h"
-#include "ardour/slave.h"
+#include "ardour/transport_master.h"
#include "ardour/ticker.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
outbound_mtc_timecode_frame = 0;
next_quarter_frame_to_send = 0;
- /* Set up the qtr frame message */
+ /* Set up the qtr sample message */
mtc_msg[0] = 0xf1;
mtc_msg[2] = 0xf1;
void
Session::mmc_record_strobe (MIDI::MachineControl &/*mmc*/)
{
+ 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;
}
return;
}
- framepos_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_framepos) {
- target_frame = max_framepos;
+ 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of an MTC slave to become out of date.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);
}
}
}
}
+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)
{
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_enabled (enabled, &mmc);
- break;
- }
+ if ((at = boost::dynamic_pointer_cast<AudioTrack> (r))) {
+ at->rec_enable_control()->set_value (enabled, Controllable::UseGroup);
}
}
}
* @param t time to send.
*/
int
-Session::send_full_time_code (framepos_t const t, pframes_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];
if (_engine.freewheeling() || !Config->get_send_mtc()) {
return 0;
}
- if (_slave && !_slave->locked()) {
+ if (!transport_master()->locked()) {
return 0;
}
sample_to_timecode (t, timecode, true /* use_offset */, false /* no subframes */);
// sample-align outbound to rounded (no subframes) timecode
- framepos_t mtc_tc;
+ samplepos_t mtc_tc;
timecode_to_sample(timecode, mtc_tc, true, false);
outbound_mtc_timecode_frame = mtc_tc;
-
transmitting_timecode_time = timecode;
- double const quarter_frame_duration = ((framecnt_t) _frames_per_timecode_frame) / 4.0;
+ 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 += _frames_per_timecode_frame;
+ outbound_mtc_timecode_frame += _samples_per_timecode_frame;
}
- DEBUG_TRACE (DEBUG::MTC, string_compose ("Full MTC TC %1\n", outbound_mtc_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 frame-number represented by 8 quarter frames must be even.
+ // 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
+ // start MTC quarter frame transmission on an even sample
Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
- outbound_mtc_timecode_frame += _frames_per_timecode_frame;
- }
-
-#if 0 // compensate for audio latency -- disabled [rg]
- /* this needs more thought and work.
- * the proper solution will be to just offset MTC by the MIDI port's latency.
- *
- * using worst_playback_latency() is wrong when the generated MTC is used to sync
- * clients which send audio to Ardour for recording.
- * worst_capture_latency() vs. worst_playback_latency()
- *
- * NB. similarly to session_ltc, the offset should be subtracted from the timecode to send,
- * instead of being added to timestamp when to send the timecode.
- * Otherwise the timestamp may not fall into the jack-cycle of the current _transport frame.
- * and no MTC QF will be sent.
- */
- outbound_mtc_timecode_frame += worst_playback_latency();
-#endif
+ outbound_mtc_timecode_frame += _samples_per_timecode_frame;
+ }
+
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;
// Send message at offset 0, sent time is for the start of this cycle
-
+
MidiBuffer& mb (_midi_ports->mtc_output_port()->get_midi_buffer (nframes));
- mb.push_back (0, sizeof (msg), msg);
+ 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 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 (framepos_t start_frame, framepos_t end_frame, pframes_t nframes)
+Session::send_midi_time_code_for_cycle (samplepos_t start_sample, samplepos_t end_sample, ARDOUR::pframes_t nframes)
{
+ // 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 (_slave && !_slave->locked()) {
+ if (!transport_master()->locked()) {
+ return 0;
+ }
+
+ if (_transport_speed < 0) {
+ // we don't support rolling backwards
return 0;
}
assert (next_quarter_frame_to_send <= 7);
/* Duration of one quarter frame */
- double const quarter_frame_duration = _frames_per_timecode_frame / 4.0;
+ double const quarter_frame_duration = _samples_per_timecode_frame / 4.0;
DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 MT %3 QF %4 QD %5\n",
- _transport_frame, start_frame, outbound_mtc_timecode_frame,
+ _transport_sample, start_sample, outbound_mtc_timecode_frame,
next_quarter_frame_to_send, quarter_frame_duration));
- if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < _transport_frame) {
- send_full_time_code (_transport_frame, nframes);
+ 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 (end_frame > rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration))) {
+ 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:
break;
}
- const framepos_t msg_time = rint(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 >= start_frame);
- assert (msg_time < end_frame);
+ assert (msg_time >= start_sample);
+ assert (msg_time < end_sample);
- /* convert from session frames back to JACK frames using the transport speed */
- pframes_t const out_stamp = (msg_time - start_frame) / _transport_speed;
+ /* 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);
MidiBuffer& mb (_midi_ports->mtc_output_port()->get_midi_buffer(nframes));
}
#ifndef NDEBUG
- 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));
+ 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
// 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 += 2.0 * _frames_per_timecode_frame;
+ // Increment timing of first quarter frame
+ outbound_mtc_timecode_frame += 2.0 * _samples_per_timecode_frame;
}
}
OUTBOUND MMC STUFF
**********************************************************************/
+void
+Session::send_immediate_mmc (MachineControlCommand c)
+{
+ if (AudioEngine::instance()->in_process_thread()) {
+ _mmc->send (c, Port::port_offset());
+ } else {
+ _mmc->send (c, 0);
+ }
+
+}
bool
Session::mmc_step_timeout ()
void
-Session::send_song_position_pointer (framepos_t)
+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;
}
-MIDI::Port*
+boost::shared_ptr<ARDOUR::Port>
Session::midi_input_port () const
{
return _midi_ports->midi_input_port ();
}
-MIDI::Port*
+
+boost::shared_ptr<ARDOUR::Port>
Session::midi_output_port () const
{
return _midi_ports->midi_output_port ();
}
-boost::shared_ptr<MidiPort>
-Session::midi_clock_output_port () const
+
+boost::shared_ptr<ARDOUR::Port>
+Session::mmc_output_port () const
{
- return _midi_ports->midi_clock_output_port ();
+ return _midi_ports->mmc_output_port ();
}
-boost::shared_ptr<MidiPort>
-Session::midi_clock_input_port () const
+
+boost::shared_ptr<ARDOUR::Port>
+Session::mmc_input_port () const
{
- return _midi_ports->midi_clock_input_port ();
+ return _midi_ports->mmc_input_port ();
}
-boost::shared_ptr<MidiPort>
+
+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 ();
}
-boost::shared_ptr<MidiPort>
-Session::mtc_input_port () const
+
+void
+Session::midi_track_presentation_info_changed (PropertyChange const& what_changed, boost::weak_ptr<MidiTrack> mt)
{
- return _midi_ports->mtc_input_port ();
+ 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);
+ }
}
-MIDI::Port*
-Session::mmc_output_port () const
+void
+Session::rewire_selected_midi (boost::shared_ptr<MidiTrack> new_midi_target)
{
- return _midi_ports->mmc_output_port ();
+ 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;
}
-MIDI::Port*
-Session::mmc_input_port () const
+void
+Session::rewire_midi_selection_ports ()
{
- return _midi_ports->mmc_input_port ();
+ 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