X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_midi.cc;h=d0e75fbb6eae9e4c4c197e53ac1c8a823caaea32;hb=ad226cf2bbd72dd0dc033d8f0cf44c635b90e0b4;hp=f3a8d7dd81bd58d2e538535406b7cd8fdbc4eaa8;hpb=e0ff70cf86c01c42f98faf8b0eaf1a8ccf867946;p=ardour.git diff --git a/libs/ardour/session_midi.cc b/libs/ardour/session_midi.cc index f3a8d7dd81..d0e75fbb6e 100644 --- a/libs/ardour/session_midi.cc +++ b/libs/ardour/session_midi.cc @@ -35,7 +35,7 @@ #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" @@ -48,7 +48,7 @@ #include "ardour/slave.h" #include "ardour/ticker.h" -#include "i18n.h" +#include "pbd/i18n.h" using namespace std; using namespace ARDOUR; @@ -77,7 +77,7 @@ Session::setup_midi_control () 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; @@ -283,7 +283,7 @@ Session::mmc_locate (MIDI::MachineControl &/*mmc*/, const MIDI::byte* mmc_tc) return; } - framepos_t target_frame; + samplepos_t target_sample; Timecode::Time timecode; timecode.hours = mmc_tc[0] & 0xf; @@ -294,13 +294,13 @@ Session::mmc_locate (MIDI::MachineControl &/*mmc*/, const MIDI::byte* mmc_tc) 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 This causes the current position of an MTC slave to become out of date.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. @@ -313,7 +313,7 @@ Session::mmc_locate (MIDI::MachineControl &/*mmc*/, const MIDI::byte* mmc_tc) mtcs->handle_locate (mmc_tc); } else { // cerr << "Locate without MTC slave\n"; - request_locate (target_frame, false); + request_locate (target_sample, false); } } @@ -338,21 +338,27 @@ Session::mmc_shuttle (MIDI::MachineControl &/*mmc*/, float speed, bool forw) boost::shared_ptr Session::get_midi_nth_route_by_id (PresentationInfo::order_t n) const { - PresentationInfo id (PresentationInfo::Flag (0)); + PresentationInfo::Flag f; + + /* These numbers are defined by the MMC specification. + */ if (n == 318) { - id.set_flags (PresentationInfo::MasterOut); + f = PresentationInfo::MasterOut; } else if (n == 319) { - id.set_flags (PresentationInfo::MonitorOut); + f = PresentationInfo::MonitorOut; } else { - id = PresentationInfo (n, PresentationInfo::Route); + f = PresentationInfo::Route; } boost::shared_ptr r = routes.reader (); + PresentationInfo::order_t match_cnt = 0; for (RouteList::iterator i = r->begin(); i != r->end(); ++i) { - if ((*i)->presentation_info().match (id)) { - return *i; + if ((*i)->presentation_info().flag_match (f)) { + if (match_cnt++ == n) { + return *i; + } } } @@ -383,9 +389,9 @@ Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled) * @param t time to send. */ int -Session::send_full_time_code (framepos_t const t, MIDI::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]; @@ -404,40 +410,40 @@ Session::send_full_time_code (framepos_t const t, MIDI::pframes_t nframes) 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; 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); - frameoffset_t mtc_offset = worst_playback_latency() - mtc_out_latency.max; + 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_frame + // 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 += _frames_per_timecode_frame; + outbound_mtc_timecode_frame += _samples_per_timecode_frame; } - double const quarter_frame_duration = ((framecnt_t) _frames_per_timecode_frame) / 4.0; + 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 (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; + outbound_mtc_timecode_frame += _samples_per_timecode_frame; } next_quarter_frame_to_send = 0; @@ -467,15 +473,15 @@ Session::send_full_time_code (framepos_t const t, MIDI::pframes_t nframes) /** 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, ARDOUR::pframes_t nframes) +Session::send_midi_time_code_for_cycle (samplepos_t start_sample, samplepos_t end_sample, ARDOUR::pframes_t nframes) { - // start_frame == start_frame for normal cycles - // start_frame > _transport_frame for split cycles + // 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; @@ -501,26 +507,26 @@ Session::send_midi_time_code_for_cycle (framepos_t start_frame, framepos_t end_f 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) { + 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_frame, nframes); + send_full_time_code (_transport_sample, nframes); } - if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < start_frame) { + 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: @@ -549,14 +555,14 @@ Session::send_midi_time_code_for_cycle (framepos_t start_frame, framepos_t end_f 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 */ - ARDOUR::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)); @@ -586,7 +592,7 @@ Session::send_midi_time_code_for_cycle (framepos_t start_frame, framepos_t end_f 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 * _frames_per_timecode_frame; + outbound_mtc_timecode_frame += 2.0 * _samples_per_timecode_frame; } } @@ -643,7 +649,7 @@ 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 */ @@ -716,3 +722,82 @@ Session::mtc_input_port () const { return _midi_ports->mtc_input_port (); } + +void +Session::midi_track_presentation_info_changed (PropertyChange const& what_changed, boost::weak_ptr mt) +{ + if (!Config->get_midi_input_follows_selection()) { + return; + } + + if (!what_changed.contains (Properties::selected)) { + return; + } + + boost::shared_ptr 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 new_midi_target) +{ + if (!new_midi_target) { + return; + } + + boost::shared_ptr old_midi_target = current_midi_target.lock (); + + if (new_midi_target == old_midi_target) { + return; + } + + vector msp; + AudioEngine::instance()->get_midi_selection_ports (msp); + + if (!msp.empty()) { + + if (old_midi_target) { + old_midi_target->input()->disconnect (this); + } + + for (vector::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 target = current_midi_target.lock(); + + if (!target) { + return; + } + + vector msp; + AudioEngine::instance()->get_midi_selection_ports (msp); + + if (msp.empty()) { + return; + } + + target->input()->disconnect (this); + + for (vector::const_iterator p = msp.begin(); p != msp.end(); ++p) { + AudioEngine::instance()->disconnect (*p); + target->input()->connect (target->input()->nth (0), (*p), this); + } +}