X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmtc_slave.cc;h=102694e7ac7d9a9ab637871f2e085eede99bc400;hb=cf52d6e4b40111eb04b244ec054055a4ec15dbe0;hp=db986642926cf550270b99acceb3060769f71705;hpb=aaabaf5d3c8624f398809bb468e2b121a23abda0;p=ardour.git diff --git a/libs/ardour/mtc_slave.cc b/libs/ardour/mtc_slave.cc index db98664292..102694e7ac 100644 --- a/libs/ardour/mtc_slave.cc +++ b/libs/ardour/mtc_slave.cc @@ -25,13 +25,16 @@ #include "pbd/error.h" #include "pbd/pthread_utils.h" -#include "midi++/port.h" +#include "ardour/audioengine.h" #include "ardour/debug.h" -#include "ardour/slave.h" +#include "ardour/midi_buffer.h" +#include "ardour/midi_port.h" #include "ardour/session.h" -#include "ardour/audioengine.h" +#include "ardour/slave.h" -#include "i18n.h" +#include + +#include "pbd/i18n.h" using namespace std; using namespace ARDOUR; @@ -48,8 +51,9 @@ using namespace Timecode; */ const int MTC_Slave::frame_tolerance = 2; -MTC_Slave::MTC_Slave (Session& s, MIDI::Port& p) +MTC_Slave::MTC_Slave (Session& s, MidiPort& p) : session (s) + , port (&p) { can_notify_on_unknown_rate = true; did_reset_tc_format = false; @@ -70,7 +74,10 @@ MTC_Slave::MTC_Slave (Session& s, MIDI::Port& p) session.config.ParameterChanged.connect_same_thread (config_connection, boost::bind (&MTC_Slave::parameter_changed, this, _1)); parse_timecode_offset(); reset (true); - rebind (p); + + port->self_parser().mtc_time.connect_same_thread (port_connections, boost::bind (&MTC_Slave::update_mtc_time, this, _1, _2, _3)); + port->self_parser().mtc_qtr.connect_same_thread (port_connections, boost::bind (&MTC_Slave::update_mtc_qtr, this, _1, _2, _3)); + port->self_parser().mtc_status.connect_same_thread (port_connections, boost::bind (&MTC_Slave::update_mtc_status, this, _1)); } MTC_Slave::~MTC_Slave() @@ -94,15 +101,12 @@ MTC_Slave::~MTC_Slave() } void -MTC_Slave::rebind (MIDI::Port& p) +MTC_Slave::rebind (MidiPort& p) { port_connections.drop_connections (); port = &p; - port->parser()->mtc_time.connect_same_thread (port_connections, boost::bind (&MTC_Slave::update_mtc_time, this, _1, _2, _3)); - port->parser()->mtc_qtr.connect_same_thread (port_connections, boost::bind (&MTC_Slave::update_mtc_qtr, this, _1, _2, _3)); - port->parser()->mtc_status.connect_same_thread (port_connections, boost::bind (&MTC_Slave::update_mtc_status, this, _1)); } void @@ -154,7 +158,8 @@ MTC_Slave::outside_window (framepos_t pos) const bool MTC_Slave::locked () const { - return port->parser()->mtc_locked() && last_inbound_frame !=0 && engine_dll_initstate !=0; + DEBUG_TRACE (DEBUG::MTC, string_compose ("locked ? %1 last %2 initstate %3\n", port->self_parser().mtc_locked(), last_inbound_frame, engine_dll_initstate)); + return port->self_parser().mtc_locked() && last_inbound_frame !=0 && engine_dll_initstate !=0; } bool @@ -208,6 +213,7 @@ MTC_Slave::reset (bool with_position) window_end = 0; transport_direction = 1; current_delta = 0; + ActiveChanged(false); } void @@ -233,7 +239,7 @@ MTC_Slave::read_current (SafeTime *st) const do { if (tries == 10) { error << _("MTC Slave: atomic read of current time failed, sleeping!") << endmsg; - usleep (20); + Glib::usleep (20); tries = 0; } *st = current; @@ -255,7 +261,6 @@ MTC_Slave::init_mtc_dll(framepos_t tme, double qtr) DEBUG_TRACE (DEBUG::MTC, string_compose ("[re-]init MTC DLL %1 %2 %3\n", t0, t1, e2)); } - /* called from MIDI parser */ void MTC_Slave::update_mtc_qtr (Parser& /*p*/, int which_qtr, framepos_t now) @@ -297,7 +302,7 @@ MTC_Slave::update_mtc_qtr (Parser& /*p*/, int which_qtr, framepos_t now) * when a full TC has been received * OR on locate */ void -MTC_Slave::update_mtc_time (const byte *msg, bool was_full, framepos_t now) +MTC_Slave::update_mtc_time (const MIDI::byte *msg, bool was_full, framepos_t now) { busy_guard1++; @@ -305,8 +310,7 @@ MTC_Slave::update_mtc_time (const byte *msg, bool was_full, framepos_t now) to use a timestamp indicating when this MTC time was received. example: when we received a locate command via MMC. */ - - //DEBUG_TRACE (DEBUG::MTC, string_compose ("MTC::update_mtc_time - TID:%1\n", pthread_name())); + DEBUG_TRACE (DEBUG::MTC, string_compose ("MTC::update_mtc_time - TID:%1\n", pthread_name())); TimecodeFormat tc_format; bool reset_tc = true; @@ -422,7 +426,7 @@ MTC_Slave::update_mtc_time (const byte *msg, bool was_full, framepos_t now) now, timecode, mtc_frame, was_full, speedup_due_to_tc_mismatch)); if (was_full || outside_window (mtc_frame)) { - DEBUG_TRACE (DEBUG::MTC, string_compose ("update_mtc_time: full TC or outside window. - TID:%1\n", pthread_name())); + DEBUG_TRACE (DEBUG::MTC, string_compose ("update_mtc_time: full TC %1 or outside window %2\n", was_full, outside_window (mtc_frame))); session.request_locate (mtc_frame, false); session.request_transport_speed (0); update_mtc_status (MIDI::MTC_Stopped); @@ -446,7 +450,7 @@ MTC_Slave::update_mtc_time (const byte *msg, bool was_full, framepos_t now) DEBUG_TRACE (DEBUG::MTC, string_compose ("new mtc_frame: %1 | MTC-FpT: %2 A3-FpT:%3\n", mtc_frame, (4.0*qtr), session.frames_per_timecode_frame())); - switch (port->parser()->mtc_running()) { + switch (port->self_parser().mtc_running()) { case MTC_Backward: mtc_frame -= mtc_off; qtr *= -1.0; @@ -465,6 +469,7 @@ MTC_Slave::update_mtc_time (const byte *msg, bool was_full, framepos_t now) first_mtc_timestamp = now; init_mtc_dll(mtc_frame, qtr); mtc_frame_dll = mtc_frame; + ActiveChanged (true); // emit signal } current.guard1++; current.position = mtc_frame; @@ -526,9 +531,10 @@ MTC_Slave::reset_window (framepos_t root) of acceptable MTC frames wide open. otherwise, shrink it down to just 2 video frames ahead of the window root (taking direction into account). */ + framecnt_t const d = (quarter_frame_duration * 4 * frame_tolerance); - switch (port->parser()->mtc_running()) { + switch (port->self_parser().mtc_running()) { case MTC_Forward: window_begin = root; transport_direction = 1; @@ -551,7 +557,7 @@ MTC_Slave::reset_window (framepos_t root) break; } - DEBUG_TRACE (DEBUG::MTC, string_compose ("legal MTC window now %1 .. %2\n", window_begin, window_end)); + DEBUG_TRACE (DEBUG::MTC, string_compose ("reset MTC window @ %3, now %1 .. %2\n", window_begin, window_end, root)); } void @@ -575,11 +581,11 @@ MTC_Slave::init_engine_dll (framepos_t pos, framepos_t inc) } /* main entry point from session_process.cc - * in jack_process callback context */ +xo * in process callback context */ bool MTC_Slave::speed_and_position (double& speed, framepos_t& pos) { - framepos_t now = session.engine().frame_time_at_cycle_start(); + framepos_t now = session.engine().sample_time_at_cycle_start(); framepos_t sess_pos = session.transport_frame(); // corresponds to now //sess_pos -= session.engine().frames_since_cycle_start(); @@ -589,11 +595,21 @@ MTC_Slave::speed_and_position (double& speed, framepos_t& pos) read_current (&last); + DEBUG_TRACE (DEBUG::MTC, string_compose ("speed&pos: timestamp %1 speed %2 initstate %3 dir %4 tpos %5 now %6 last-in %7\n", + last.timestamp, + last.speed, + engine_dll_initstate, + transport_direction, + sess_pos, + now, + last_inbound_frame)); + /* re-init engine DLL here when state changed (direction, first_mtc_timestamp) */ - if (last.timestamp == 0) { engine_dll_initstate = 0; } - else if (engine_dll_initstate != transport_direction && last.speed != 0) { + if (last.timestamp == 0) { + engine_dll_initstate = 0; + } else if (engine_dll_initstate != transport_direction && last.speed != 0) { engine_dll_initstate = transport_direction; - init_engine_dll(last.position, session.engine().frames_per_cycle()); + init_engine_dll(last.position, session.engine().samples_per_cycle()); engine_dll_reinitialized = true; } @@ -612,6 +628,7 @@ MTC_Slave::speed_and_position (double& speed, framepos_t& pos) session.request_transport_speed (0); engine_dll_initstate = 0; queue_reset (false); + ActiveChanged (false); DEBUG_TRACE (DEBUG::MTC, "MTC not seen for 2 frames - reset pending\n"); return false; } @@ -625,9 +642,7 @@ MTC_Slave::speed_and_position (double& speed, framepos_t& pos) /* interpolate position according to speed and time since last quarter-frame*/ if (speed_flt == 0.0f) { elapsed = 0; - } - else - { + } else { /* scale elapsed time by the current MTC speed */ elapsed = (framecnt_t) rint (speed_flt * (now - last.timestamp)); if (give_slave_full_control_over_transport_speed() && !engine_dll_reinitialized) { @@ -643,8 +658,8 @@ MTC_Slave::speed_and_position (double& speed, framepos_t& pos) te0 = te1; te1 += be * e + ee2; ee2 += ce * e; - speed_flt = (te1 - te0) / double(session.engine().frames_per_cycle()); - DEBUG_TRACE (DEBUG::MTC, string_compose ("engine DLL t0:%1 t1:%2 err:%3 spd:%4 ddt:%5\n", te0, te1, e, speed_flt, ee2 - session.engine().frames_per_cycle() )); + speed_flt = (te1 - te0) / double(session.engine().samples_per_cycle()); + DEBUG_TRACE (DEBUG::MTC, string_compose ("engine DLL t0:%1 t1:%2 err:%3 spd:%4 ddt:%5\n", te0, te1, e, speed_flt, ee2 - session.engine().samples_per_cycle() )); } } @@ -657,14 +672,13 @@ MTC_Slave::speed_and_position (double& speed, framepos_t& pos) */ if (!session.actively_recording() && speed != 0 - && ( (pos < 0) || (labs(pos - sess_pos) > 3 * session.frame_rate()) ) - ) { + && ((pos < 0) || (labs(pos - sess_pos) > 3 * session.frame_rate()))) { engine_dll_initstate = 0; queue_reset (false); } /* provide a .1% deadzone to lock the speed */ - if (fabs(speed - 1.0) <= 0.001) + if (fabs (speed - 1.0) <= 0.001) speed = 1.0; DEBUG_TRACE (DEBUG::MTC, string_compose ("MTCsync spd: %1 pos: %2 | last-pos: %3 elapsed: %4 delta: %5\n",