#include "ardour/graph.h"
#include "ardour/port.h"
#include "ardour/process_thread.h"
+#include "ardour/scene_changer.h"
#include "ardour/session.h"
#include "ardour/slave.h"
#include "ardour/ticker.h"
#include "ardour/types.h"
+#include "ardour/vca.h"
+#include "ardour/vca_manager.h"
#include "midi++/mmc.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
(this->*process_function) (nframes);
+ /* realtime-safe meter-position and processor-order changes
+ *
+ * ideally this would be done in
+ * Route::process_output_buffers() but various functions
+ * callig it hold a _processor_lock reader-lock
+ */
+ boost::shared_ptr<RouteList> r = routes.reader ();
+ for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
+ if ((*i)->apply_processor_changes_rt()) {
+ _rt_emit_pending = true;
+ }
+ }
+ if (_rt_emit_pending) {
+ if (!_rt_thread_active) {
+ emit_route_signals ();
+ }
+ if (pthread_mutex_trylock (&_rt_emit_mutex) == 0) {
+ pthread_cond_signal (&_rt_emit_cond);
+ pthread_mutex_unlock (&_rt_emit_mutex);
+ _rt_emit_pending = false;
+ }
+ }
+
_engine.main_thread()->drop_buffers ();
/* deliver MIDI clock. Note that we need to use the transport frame
if (!_silent && !_engine.freewheeling() && Config->get_send_midi_clock() && (transport_speed() == 1.0f || transport_speed() == 0.0f) && midi_clock->has_midi_port()) {
midi_clock->tick (transport_at_start, nframes);
}
+
+ _scene_changer->run (transport_at_start, transport_at_start + nframes);
+
} catch (...) {
/* don't bother with a message */
}
Session::no_roll (pframes_t nframes)
{
PT_TIMING_CHECK (4);
-
+
framepos_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ??
int ret = 0;
- int declick = get_transport_declick_required();
+ int declick = (config.get_use_transport_fades() ? get_transport_declick_required() : false);
boost::shared_ptr<RouteList> r = routes.reader ();
if (_click_io) {
ltc_tx_send_time_code_for_cycle (_transport_frame, end_frame, _target_transport_speed, _transport_speed, nframes);
+ VCAList v = _vca_manager->vcas ();
+ for (VCAList::const_iterator i = v.begin(); i != v.end(); ++i) {
+ (*i)->automation_run (_transport_frame, nframes);
+ }
+
if (_process_graph) {
DEBUG_TRACE(DEBUG::ProcessThreads,"calling graph/no-roll\n");
_process_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), declick);
int
Session::process_routes (pframes_t nframes, bool& need_butler)
{
- int declick = get_transport_declick_required();
+ int declick = (config.get_use_transport_fades() ? get_transport_declick_required() : false);
boost::shared_ptr<RouteList> r = routes.reader ();
- if (transport_sub_state & StopPendingCapture) {
- /* force a declick out */
- declick = -1;
- }
-
const framepos_t start_frame = _transport_frame;
const framepos_t end_frame = _transport_frame + floor (nframes * _transport_speed);
-
+
+ VCAList v = _vca_manager->vcas ();
+ for (VCAList::const_iterator i = v.begin(); i != v.end(); ++i) {
+ (*i)->automation_run (start_frame, nframes);
+ }
+
if (_process_graph) {
DEBUG_TRACE(DEBUG::ProcessThreads,"calling graph/process-routes\n");
- _process_graph->process_routes (nframes, start_frame, end_frame, declick, need_butler);
+ if (_process_graph->process_routes (nframes, start_frame, end_frame, declick, need_butler) < 0) {
+ stop_transport ();
+ return -1;
+ }
} else {
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
}
if (b) {
+ DEBUG_TRACE (DEBUG::Butler, string_compose ("%1 rolled and needs butler\n", (*i)->name()));
need_butler = true;
}
}
const framepos_t start_frame = _transport_frame;
const framepos_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
+ VCAList v = _vca_manager->vcas ();
+ for (VCAList::const_iterator i = v.begin(); i != v.end(); ++i) {
+ (*i)->automation_run (start_frame, nframes);
+ }
+
if (_process_graph) {
_process_graph->silent_process_routes (nframes, start_frame, end_frame, need_butler);
} else {
Session::process_with_events (pframes_t nframes)
{
PT_TIMING_CHECK (3);
-
+
SessionEvent* ev;
pframes_t this_nframes;
framepos_t end_frame;
process_event (ev);
}
+ /* count in */
+ if (_transport_speed != 1.0 && _count_in_samples > 0) {
+ _count_in_samples = 0;
+ }
+
+ if (_count_in_samples > 0) {
+ framecnt_t ns = std::min ((framecnt_t)nframes, _count_in_samples);
+
+ no_roll (ns);
+ run_click (_transport_frame - _count_in_samples, ns);
+
+ _count_in_samples -= ns;
+ nframes -= ns;
+
+ /* process events.. */
+ if (!events.empty() && next_event != events.end()) {
+ SessionEvent* this_event = *next_event;
+ Events::iterator the_next_one = next_event;
+ ++the_next_one;
+
+ while (this_event && this_event->action_frame == _transport_frame) {
+ process_event (this_event);
+ if (the_next_one == events.end()) {
+ this_event = 0;
+ } else {
+ this_event = *the_next_one;
+ ++the_next_one;
+ }
+ }
+ set_next_event ();
+ }
+
+ check_declick_out ();
+
+ if (nframes == 0) {
+ return;
+ } else {
+ _engine.split_cycle (ns);
+ }
+ }
+
/* Decide on what to do with quarter-frame MTC during this cycle */
bool const was_sending_qf_mtc = _send_qf_mtc;
}
if (events.empty() || next_event == events.end()) {
- process_without_events (nframes);
- return;
+ try_run_lua (nframes); // also during export ?? ->move to process_without_events()
+ /* lua scripts may inject events */
+ while (_n_lua_scripts > 0 && pending_events.read (&ev, 1) == 1) {
+ merge_event (ev);
+ }
+ if (events.empty() || next_event == events.end()) {
+ process_without_events (nframes);
+ return;
+ }
}
if (_transport_speed == 1.0) {
send_midi_time_code_for_cycle (_transport_frame, end_frame, nframes);
}
+ ltc_tx_send_time_code_for_cycle (_transport_frame, end_frame, _target_transport_speed, _transport_speed, nframes);
+
framepos_t stop_limit = compute_stop_limit ();
if (maybe_stop (stop_limit)) {
this_nframes = abs (floor(frames_moved / _transport_speed));
}
+ try_run_lua (this_nframes);
+
if (this_nframes) {
click (_transport_frame, this_nframes);
} /* implicit release of route lock */
if (session_needs_butler) {
+ DEBUG_TRACE (DEBUG::Butler, "p-with-events: session needs butler, call it\n");
_butler->summon ();
}
}
#endif
if (_slave->give_slave_full_control_over_transport_speed()) {
- set_transport_speed (slave_speed, false, false);
+ set_transport_speed (slave_speed, 0, false, false);
//std::cout << "set speed = " << slave_speed << "\n";
} else {
float adjusted_speed = slave_speed + (1.5 * (delta / float(_current_frame_rate)));
}
- if (_slave_state == Running && !non_realtime_work_pending()) {
+ if (_slave_state == Running && 0 == (post_transport_work () & ~PostTransportSpeed)) {
/* speed is set, we're locked, and good to go */
return true;
}
for now.
*/
- bool need_butler;
+ bool need_butler = false;
silent_process_routes (nframes, need_butler);
get_track_statistics ();
if (need_butler) {
+ DEBUG_TRACE (DEBUG::Butler, "f-slave-silently: session needs butler, call it\n");
_butler->summon ();
}
check_declick_out ();
if (session_needs_butler) {
+ DEBUG_TRACE (DEBUG::Butler, "p-without-events: session needs butler, call it\n");
_butler->summon ();
}
}
/* run the auditioner, and if it says we need butler service, ask for it */
if (auditioner->play_audition (nframes) > 0) {
+ DEBUG_TRACE (DEBUG::Butler, "auditioner needs butler, call it\n");
_butler->summon ();
}
} else if (_state_of_the_state & Loading) {
merge_event (ev);
} else {
+ Glib::Threads::Mutex::Lock lm (rb_write_lock);
pending_events.write (&ev, 1);
}
}
_send_timecode_update = true;
break;
+ case SessionEvent::Skip:
+ if (Config->get_skip_playback()) {
+ start_locate (ev->target_frame, true, true, false);
+ _send_timecode_update = true;
+ }
+ remove = false;
+ del = false;
+ break;
+
case SessionEvent::LocateRollLocate:
// locate is handled by ::request_roll_at_and_return()
_requested_return_frame = ev->target_frame;
case SessionEvent::SetTransportSpeed:
- set_transport_speed (ev->speed, ev->yes_or_no, ev->second_yes_or_no, ev->third_yes_or_no);
+ set_transport_speed (ev->speed, ev->target_frame, ev->yes_or_no, ev->second_yes_or_no, ev->third_yes_or_no);
break;
case SessionEvent::PunchIn:
// cerr << "PunchIN at " << transport_frame() << endl;
- if (config.get_punch_in() && record_status() == Enabled) {
+ if (config.get_punch_in() && record_status() == Enabled && !preroll_record_punch_enabled()) {
enable_record ();
}
remove = false;
case SessionEvent::PunchOut:
// cerr << "PunchOUT at " << transport_frame() << endl;
- if (config.get_punch_out()) {
+ if (config.get_punch_out() && !preroll_record_punch_enabled()) {
step_back_from_record ();
}
remove = false;
del = false;
break;
+ case SessionEvent::RecordStart:
+ if (preroll_record_punch_enabled() && record_status() == Enabled) {
+ enable_record ();
+ }
+ remove = false;
+ del = false;
+ break;
+
case SessionEvent::StopOnce:
if (!non_realtime_work_pending()) {
- stop_transport (ev->yes_or_no);
_clear_event_type (SessionEvent::StopOnce);
+ stop_transport (ev->yes_or_no);
}
remove = false;
del = false;
overwrite_some_buffers (static_cast<Track*>(ev->ptr));
break;
- case SessionEvent::SetTrackSpeed:
- set_track_speed (static_cast<Track*> (ev->ptr), ev->speed);
- break;
-
case SessionEvent::SetSyncSource:
DEBUG_TRACE (DEBUG::Slave, "seen request for new slave\n");
use_sync_source (ev->slave);
ev->region.reset ();
break;
- case SessionEvent::InputConfigurationChange:
- add_post_transport_work (PostTransportInputChange);
- _butler->schedule_transport_work ();
- break;
-
case SessionEvent::SetPlayAudioRange:
set_play_range (ev->audio_range, (ev->speed == 1.0f));
break;
+ case SessionEvent::CancelPlayAudioRange:
+ unset_play_range();
+ break;
+
case SessionEvent::RealTimeOperation:
process_rtop (ev);
del = false; // other side of RT request needs to clean up
default:
fatal << string_compose(_("Programming error: illegal event type in process_event (%1)"), ev->type) << endmsg;
- /*NOTREACHED*/
+ abort(); /*NOTREACHED*/
break;
};
return max_framepos;
}
-
+ if (preroll_record_punch_enabled ()) {
+ return max_framepos;
+ }
+
bool const punching_in = (config.get_punch_in () && _locations->auto_punch_location());
bool const punching_out = (config.get_punch_out () && _locations->auto_punch_location());
return current_end_frame ();
}
+
+
+
+/* dedicated thread for signal emission.
+ *
+ * while sending cross-thread signals from the process thread
+ * is fine in general, PBD::Signal's use of boost::function and
+ * boost:bind can produce a vast overhead which is not
+ * acceptable for low latency.
+ *
+ * This works around the issue by moving the boost overhead
+ * out of the RT thread. The overall load is probably higher but
+ * the realtime thread remains unaffected.
+ */
+
+void
+Session::emit_route_signals ()
+{
+ // TODO use RAII to allow using these signals in other places
+ BatchUpdateStart(); /* EMIT SIGNAL */
+ boost::shared_ptr<RouteList> r = routes.reader ();
+ for (RouteList::const_iterator ci = r->begin(); ci != r->end(); ++ci) {
+ (*ci)->emit_pending_signals ();
+ }
+ BatchUpdateEnd(); /* EMIT SIGNAL */
+}
+
+void
+Session::emit_thread_start ()
+{
+ if (_rt_thread_active) {
+ return;
+ }
+ _rt_thread_active = true;
+
+ if (pthread_create (&_rt_emit_thread, NULL, emit_thread, this)) {
+ _rt_thread_active = false;
+ }
+}
+
+void
+Session::emit_thread_terminate ()
+{
+ if (!_rt_thread_active) {
+ return;
+ }
+ _rt_thread_active = false;
+
+ if (pthread_mutex_lock (&_rt_emit_mutex) == 0) {
+ pthread_cond_signal (&_rt_emit_cond);
+ pthread_mutex_unlock (&_rt_emit_mutex);
+ }
+
+ void *status;
+ pthread_join (_rt_emit_thread, &status);
+}
+
+void *
+Session::emit_thread (void *arg)
+{
+ Session *s = static_cast<Session *>(arg);
+ s->emit_thread_run ();
+ pthread_exit (0);
+ return 0;
+}
+
+void
+Session::emit_thread_run ()
+{
+ pthread_mutex_lock (&_rt_emit_mutex);
+ while (_rt_thread_active) {
+ emit_route_signals();
+ pthread_cond_wait (&_rt_emit_cond, &_rt_emit_mutex);
+ }
+ pthread_mutex_unlock (&_rt_emit_mutex);
+}
projects / ardour.git / blobdiff