#include "pbd/compose.h"
#include "pbd/stacktrace.h"
-#include "midi++/port.h"
-#include "midi++/jack_midi_port.h"
-#include "midi++/manager.h"
-
#include "evoral/midi_events.h"
+#include "ardour/async_midi_port.h"
#include "ardour/audioengine.h"
+#include "ardour/midi_buffer.h"
+#include "ardour/midi_port.h"
#include "ardour/ticker.h"
#include "ardour/session.h"
#include "ardour/tempo.h"
MidiClockTicker::MidiClockTicker ()
- : _midi_port (0)
- , _ppqn (24)
+ : _ppqn (24)
, _last_tick (0.0)
+ , _send_pos (false)
+ , _send_state (false)
{
_pos.reset (new Position());
}
MidiClockTicker::~MidiClockTicker()
{
- _midi_port = 0;
_pos.reset (0);
}
if (_session) {
_session->TransportStateChange.connect_same_thread (_session_connections, boost::bind (&MidiClockTicker::transport_state_changed, this));
- _session->PositionChanged.connect_same_thread (_session_connections, boost::bind (&MidiClockTicker::position_changed, this, _1));
_session->TransportLooped.connect_same_thread (_session_connections, boost::bind (&MidiClockTicker::transport_looped, this));
_session->Located.connect_same_thread (_session_connections, boost::bind (&MidiClockTicker::session_located, this));
return;
}
- if (_pos->speed == 0.0f) {
- uint32_t where = llrint (_pos->midi_beats);
- send_position_event (where, 0);
- } else if (_pos->speed == 1.0f) {
-#if 1
- /* Experimental. To really do this and have accuracy, the
- stop/locate/continue sequence would need queued to send immediately
- before the next midi clock. */
-
- send_stop_event (0);
-
- if (_pos->frame == 0) {
- send_start_event (0);
- } else {
- uint32_t where = llrint (_pos->midi_beats);
- send_position_event (where, 0);
- send_continue_event (0);
- }
-#endif
- } else {
- /* Varispeed not supported */
- }
+ _send_pos = true;
}
void
MidiClockTicker::session_going_away ()
{
SessionHandlePtr::session_going_away();
- _midi_port = 0;
+ _midi_port.reset ();
}
void
MidiClockTicker::update_midi_clock_port()
{
- _midi_port = MIDI::Manager::instance()->midi_clock_output_port();
+ _midi_port = _session->midi_clock_output_port();
}
void
return;
}
- DEBUG_TRACE (PBD::DEBUG::MidiClock,
+ DEBUG_TRACE (DEBUG::MidiClock,
string_compose ("Transport state change @ %4, speed: %1 position: %2 play loop: %3\n",
_pos->speed, _pos->frame, _session->get_play_loop(), _pos->frame)
);
return;
}
- if (_pos->speed == 1.0f) {
-
- if (_session->get_play_loop()) {
- assert(_session->locations()->auto_loop_location());
-
- if (_pos->frame == _session->locations()->auto_loop_location()->start()) {
- send_start_event(0);
- } else {
- send_continue_event(0);
- }
-
- } else if (_pos->frame == 0) {
- send_start_event(0);
- } else {
- send_continue_event(0);
- }
-
- // send_midi_clock_event (0);
-
- } else if (_pos->speed == 0.0f) {
- send_stop_event (0);
- send_position_event (llrint (_pos->midi_beats), 0);
- }
+ _send_state = true;
// tick (_pos->frame);
}
-void
-MidiClockTicker::position_changed (framepos_t)
-{
-#if 0
- const double speed = _session->transport_speed();
- DEBUG_TRACE (PBD::DEBUG::MidiClock, string_compose ("Transport Position Change: %1, speed: %2\n", position, speed));
-
- if (speed == 0.0f && Config->get_send_midi_clock()) {
- send_position_event (position, 0);
- }
-
- _last_tick = position;
-#endif
-}
-
void
MidiClockTicker::transport_looped()
{
Location* loop_location = _session->locations()->auto_loop_location();
assert(loop_location);
- DEBUG_TRACE (PBD::DEBUG::MidiClock,
+ DEBUG_TRACE (DEBUG::MidiClock,
string_compose ("Transport looped, position: %1, loop start: %2, loop end: %3, play loop: %4\n",
_session->transport_frame(), loop_location->start(), loop_location->end(), _session->get_play_loop())
);
}
void
-MidiClockTicker::tick (const framepos_t& /* transport_frame */)
+MidiClockTicker::tick (const framepos_t& /* transport_frame */, pframes_t nframes)
{
if (!Config->get_send_midi_clock() || _session == 0 || _session->transport_speed() != 1.0f || _midi_port == 0) {
return;
}
- MIDI::JackMIDIPort* mp = dynamic_cast<MIDI::JackMIDIPort*> (_midi_port);
- if (! mp) {
- return;
+ if (_send_pos) {
+ if (_pos->speed == 0.0f) {
+ uint32_t where = llrint (_pos->midi_beats);
+ send_position_event (where, 0, nframes);
+ } else if (_pos->speed == 1.0f) {
+#if 1
+ /* Experimental. To really do this and have accuracy, the
+ stop/locate/continue sequence would need queued to send immediately
+ before the next midi clock. */
+
+ send_stop_event (0, nframes);
+
+ if (_pos->frame == 0) {
+ send_start_event (0, nframes);
+ } else {
+ uint32_t where = llrint (_pos->midi_beats);
+ send_position_event (where, 0, nframes);
+ send_continue_event (0, nframes);
+ }
+#endif
+ } else {
+ /* Varispeed not supported */
+ }
+
+ _send_pos = true;
}
- const framepos_t end = _pos->frame + mp->nframes_this_cycle();
+ if (_send_state) {
+ if (_pos->speed == 1.0f) {
+ if (_session->get_play_loop()) {
+ assert(_session->locations()->auto_loop_location());
+
+ if (_pos->frame == _session->locations()->auto_loop_location()->start()) {
+ send_start_event (0, nframes);
+ } else {
+ send_continue_event (0, nframes);
+ }
+
+ } else if (_pos->frame == 0) {
+ send_start_event (0, nframes);
+ } else {
+ send_continue_event (0, nframes);
+ }
+
+ // send_midi_clock_event (0);
+
+ } else if (_pos->speed == 0.0f) {
+ send_stop_event (0, nframes);
+ send_position_event (llrint (_pos->midi_beats), 0, nframes);
+ }
+
+ _send_state = false;
+ }
+
+
+ const framepos_t end = _pos->frame + nframes;
double iter = _last_tick;
while (true) {
DEBUG_TRACE (DEBUG::MidiClock,
string_compose ("Tick: iter: %1, last tick time: %2, next tick time: %3, offset: %4, cycle length: %5\n",
- iter, _last_tick, next_tick, next_tick_offset, mp ? mp->nframes_this_cycle() : 0));
+ iter, _last_tick, next_tick, next_tick_offset, nframes));
- if (!mp || (next_tick_offset >= mp->nframes_this_cycle())) {
+ if (next_tick_offset >= nframes) {
break;
}
if (next_tick_offset >= 0) {
- send_midi_clock_event (next_tick_offset);
+ send_midi_clock_event (next_tick_offset, nframes);
}
iter = next_tick;
_pos->frame = end;
}
-
double
MidiClockTicker::one_ppqn_in_frames (framepos_t transport_position)
{
}
void
-MidiClockTicker::send_midi_clock_event (pframes_t offset)
+MidiClockTicker::send_midi_clock_event (pframes_t offset, pframes_t nframes)
{
if (!_midi_port) {
return;
}
- // DEBUG_TRACE (PBD::DEBUG::MidiClock, string_compose ("Tick with offset %1\n", offset));
+ DEBUG_TRACE (DEBUG::MidiClock, string_compose ("Tick with offset %1\n", offset));
- static uint8_t _midi_clock_tick[1] = { MIDI_CMD_COMMON_CLOCK };
- _midi_port->write (_midi_clock_tick, 1, offset);
+ static uint8_t tick_byte = { MIDI_CMD_COMMON_CLOCK };
+ MidiBuffer& mb (_midi_port->get_midi_buffer (nframes));
+ mb.push_back (offset, 1, &tick_byte);
}
void
-MidiClockTicker::send_start_event (pframes_t offset)
+MidiClockTicker::send_start_event (pframes_t offset, pframes_t nframes)
{
if (!_midi_port) {
return;
}
- DEBUG_TRACE (PBD::DEBUG::MidiClock, string_compose ("Start %1\n", _last_tick));
+ DEBUG_TRACE (DEBUG::MidiClock, string_compose ("Start %1\n", _last_tick));
- static uint8_t _midi_clock_tick[1] = { MIDI_CMD_COMMON_START };
- _midi_port->write (_midi_clock_tick, 1, offset);
+ static uint8_t tick_byte = { MIDI_CMD_COMMON_START };
+ MidiBuffer& mb (_midi_port->get_midi_buffer (nframes));
+ mb.push_back (offset, 1, &tick_byte);
}
void
-MidiClockTicker::send_continue_event (pframes_t offset)
+MidiClockTicker::send_continue_event (pframes_t offset, pframes_t nframes)
{
if (!_midi_port) {
return;
}
- DEBUG_TRACE (PBD::DEBUG::MidiClock, string_compose ("Continue %1\n", _last_tick));
+ DEBUG_TRACE (DEBUG::MidiClock, string_compose ("Continue %1\n", _last_tick));
- static uint8_t _midi_clock_tick[1] = { MIDI_CMD_COMMON_CONTINUE };
- _midi_port->write (_midi_clock_tick, 1, offset);
+ static uint8_t tick_byte = { MIDI_CMD_COMMON_CONTINUE };
+ MidiBuffer& mb (_midi_port->get_midi_buffer (nframes));
+ mb.push_back (offset, 1, &tick_byte);
}
void
-MidiClockTicker::send_stop_event (pframes_t offset)
+MidiClockTicker::send_stop_event (pframes_t offset, pframes_t nframes)
{
if (!_midi_port) {
return;
}
- DEBUG_TRACE (PBD::DEBUG::MidiClock, string_compose ("Stop %1\n", _last_tick));
+ DEBUG_TRACE (DEBUG::MidiClock, string_compose ("Stop %1\n", _last_tick));
- static uint8_t _midi_clock_tick[1] = { MIDI_CMD_COMMON_STOP };
- _midi_port->write (_midi_clock_tick, 1, offset);
+ static uint8_t tick_byte = { MIDI_CMD_COMMON_STOP };
+ MidiBuffer& mb (_midi_port->get_midi_buffer (nframes));
+ mb.push_back (offset, 1, &tick_byte);
}
void
-MidiClockTicker::send_position_event (uint32_t midi_beats, pframes_t offset)
+MidiClockTicker::send_position_event (uint32_t midi_beats, pframes_t offset, pframes_t nframes)
{
if (!_midi_port) {
return;
}
/* split midi beats into a 14bit value */
- MIDI::byte msg[3] = {
- MIDI_CMD_COMMON_SONG_POS,
- midi_beats & 0x007f,
- midi_beats & 0x3f80
- };
+ MIDI::byte msg[3];
+ msg[0] = MIDI_CMD_COMMON_SONG_POS;
+ msg[1] = midi_beats & 0x007f;
+ msg[2] = midi_beats >> 7;
- _midi_port->midimsg (msg, sizeof (msg), offset);
+ MidiBuffer& mb (_midi_port->get_midi_buffer (nframes));
+ mb.push_back (offset, 3, &msg[0]);
- DEBUG_TRACE (PBD::DEBUG::MidiClock, string_compose ("Song Position Sent: %1\n", midi_beats));
+ DEBUG_TRACE (DEBUG::MidiClock, string_compose ("Song Position Sent: %1\n", midi_beats));
}
projects / ardour.git / blobdiff