void
Session::process (nframes_t nframes)
{
+ // This is no more the appriopriate place to call cycle
+ // start. cycle_start needs to be called at the Route::roll()
+ // where the signals which we want to mixdown have been calculated.
+ //
MIDI::Manager::instance()->cycle_start(nframes);
_silent = false;
- if (synced_to_jack() && waiting_to_start) {
- if ( _engine.transport_state() == AudioEngine::TransportRolling) {
- actually_start_transport ();
- }
- }
-
if (non_realtime_work_pending()) {
if (!transport_work_requested ()) {
post_transport ();
(this->*process_function) (nframes);
- MIDI::Manager::instance()->cycle_end();
-
+ // the ticker is for sending time information like MidiClock
+ nframes_t transport_frames = transport_frame();
+ BBT_Time transport_bbt;
+ bbt_time(transport_frames, transport_bbt);
+ SMPTE::Time transport_smpte;
+ smpte_time(transport_frames, transport_smpte);
+ tick (transport_frames, transport_bbt, transport_smpte); /* EMIT SIGNAL */
+
SendFeedback (); /* EMIT SIGNAL */
+
+ MIDI::Manager::instance()->cycle_end();
}
void
return;
}
- send_midi_time_code_for_cycle(nframes);
+ if (!_exporting) {
+ send_midi_time_code_for_cycle (nframes);
+ }
if (actively_recording()) {
stop_limit = max_frames;
slave_speed = 0.0f;
}
-#if 0
+#ifdef DEBUG_SLAVES
+ if (slave_speed != 0.0)
cerr << "delta = " << (int) (dir * this_delta)
<< " speed = " << slave_speed
<< " ts = " << _transport_speed
}
if (delta_accumulator_cnt != 0 || this_delta < _current_frame_rate) {
- delta_accumulator[delta_accumulator_cnt++] = dir*this_delta;
+ delta_accumulator[delta_accumulator_cnt++] = long(dir) * long(this_delta);
}
if (have_first_delta_accumulator) {
- average_slave_delta = 0;
+ average_slave_delta = 0L;
for (int i = 0; i < delta_accumulator_size; ++i) {
average_slave_delta += delta_accumulator[i];
}
- average_slave_delta /= delta_accumulator_size;
- if (average_slave_delta < 0) {
+ average_slave_delta /= long(delta_accumulator_size);
+ if (average_slave_delta < 0L) {
average_dir = -1;
- average_slave_delta = -average_slave_delta;
+ average_slave_delta = abs(average_slave_delta);
} else {
average_dir = 1;
}
- // cerr << "avgdelta = " << average_slave_delta*average_dir << endl;
}
}
if (slave_state == Waiting) {
- // cerr << "waiting at " << slave_transport_frame << endl;
+#ifdef DEBUG_SLAVES
+ cerr << "waiting at " << slave_transport_frame << endl;
+#endif
if (slave_transport_frame >= slave_wait_end) {
- // cerr << "\tstart at " << _transport_frame << endl;
-
+#ifdef DEBUG_SLAVES
+ cerr << "\tstart at " << _transport_frame << endl;
+#endif
slave_state = Running;
bool ok = true;
_transport_frame += frame_delta;
} else {
- // cerr << "cannot micro-seek\n";
+ cerr << "cannot micro-seek\n";
/* XXX what? */
}
- memset (delta_accumulator, 0, sizeof (nframes_t) * delta_accumulator_size);
- average_slave_delta = 0;
+ memset (delta_accumulator, 0, sizeof (long) * delta_accumulator_size);
+ average_slave_delta = 0L;
this_delta = 0;
}
}
if (slave_state == Running && _transport_speed == 0.0f) {
- // cerr << "slave starts transport\n";
-
+#ifdef DEBUG_SLAVES
+ cerr << "slave starts transport\n";
+#endif
start_transport ();
}
if (_transport_speed != 0.0f) {
- // cerr << "slave stops transport: " << slave_speed << " frame: " << slave_transport_frame
- // << " tf = " << _transport_frame
- // << endl;
+#ifdef DEBUG_SLAVES
+ cerr << "slave stops transport: " << slave_speed << " frame: " << slave_transport_frame
+ << " tf = " << _transport_frame << endl;
+#endif
if (Config->get_slave_source() == JACK) {
last_stop_frame = _transport_frame;
}
if (slave_transport_frame != _transport_frame) {
- // cerr << "slave stopped, move to " << slave_transport_frame << endl;
+#ifdef DEBUG_SLAVES
+ cerr << "slave stopped, move to " << slave_transport_frame << endl;
+#endif
force_locate (slave_transport_frame, false);
}
float adjusted_speed = slave_speed +
(delta / (adjust_seconds * _current_frame_rate));
- // cerr << "adjust using " << delta
- // << " towards " << adjusted_speed
- // << " ratio = " << adjusted_speed / slave_speed
- // << " current = " << _transport_speed
- // << " slave @ " << slave_speed
- // << endl;
+#ifdef DEBUG_DELAY_LOCKED_LOOP
+ cerr << "adjust using " << delta
+ << " towards " << adjusted_speed
+ << " ratio = " << adjusted_speed / slave_speed
+ << " current = " << _transport_speed
+ << " slave @ " << slave_speed
+ << endl;
+#endif
request_transport_speed (adjusted_speed);
-#if 1
- if ((nframes_t) average_slave_delta > _slave->resolution()) {
- // cerr << "not locked\n";
+ if (abs(average_slave_delta) > (long) _slave->resolution()) {
+ cerr << "average slave delta greater than slave resolution, going to silent motion\n";
goto silent_motion;
}
-#endif
}
}
}
silent_motion:
-
+#ifdef DEBUG_SLAVES
+ cerr << "reached silent_motion:" <<endl;
+#endif
+
if (slave_speed && _transport_speed) {
/* something isn't right, but we should move with the master
noroll:
/* don't move at all */
+#ifdef DEBUG_SLAVES
+ cerr << "reached no_roll:" <<endl;
+#endif
no_roll (nframes, 0);
return false;
}
if (!follow_slave (nframes, 0)) {
return;
}
-
- send_midi_time_code_for_cycle(nframes);
}
if (_transport_speed == 0) {
return;
}
+ if (!_exporting) {
+ send_midi_time_code_for_cycle (nframes);
+ }
+
if (actively_recording()) {
stop_limit = max_frames;
} else {
if (_engine.get_sync_offset (sync_offset) && sync_offset < nframes) {
+ /* generate silence up to the sync point, then
+ adjust nframes + offset to reflect whatever
+ is left to do.
+ */
+
no_roll (sync_offset, 0);
nframes -= sync_offset;
offset += sync_offset;
waiting_for_sync_offset = false;
if (nframes == 0) {
- return true; // done
+ return true; // done, nothing left to process
}
} else {
+
+ /* sync offset point is not within this process()
+ cycle, so just generate silence. and don't bother
+ with any fancy stuff here, just the minimal silence.
+ */
+
+ g_atomic_int_inc (&processing_prohibited);
no_roll (nframes, 0);
- return true; // done
+ g_atomic_int_dec_and_test (&processing_prohibited);
+
+ if (Config->get_locate_while_waiting_for_sync()) {
+ if (micro_locate (nframes)) {
+ /* XXX ERROR !!! XXX */
+ }
+ }
+
+ return true; // done, nothing left to process
}
return false;
projects / ardour.git / blobdiff