/*
- Copyright (C) 1999-2002 Paul Davis
+ Copyright (C) 1999-2002 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <algorithm>
#include <unistd.h>
-#include <pbd/error.h>
+#include "pbd/error.h"
+#include "pbd/enumwriter.h"
#include <glibmm/thread.h>
-#include <ardour/ardour.h>
-#include <ardour/session.h>
-#include <ardour/timestamps.h>
-#include <ardour/audio_diskstream.h>
-#include <ardour/audioengine.h>
-#include <ardour/slave.h>
-#include <ardour/auditioner.h>
-#include <ardour/cycles.h>
-#include <ardour/cycle_timer.h>
+#include "ardour/ardour.h"
+#include "ardour/audio_diskstream.h"
+#include "ardour/audioengine.h"
+#include "ardour/auditioner.h"
+#include "ardour/butler.h"
+#include "ardour/debug.h"
+#include "ardour/session.h"
+#include "ardour/slave.h"
+#include "ardour/timestamps.h"
-#include <midi++/manager.h>
+#include "midi++/manager.h"
#include "i18n.h"
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 (processing_blocked()) {
+ _silent = true;
+ return;
+ }
+
if (non_realtime_work_pending()) {
- if (!transport_work_requested ()) {
+ if (!_butler->transport_work_requested ()) {
post_transport ();
- }
- }
-
+ }
+ }
+
(this->*process_function) (nframes);
-
+
// 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 */
-
+ Timecode::Time transport_timecode;
+ timecode_time(transport_frames, transport_timecode);
+ tick (transport_frames, transport_bbt, transport_timecode); /* EMIT SIGNAL */
+
SendFeedback (); /* EMIT SIGNAL */
-
+
MIDI::Manager::instance()->cycle_end();
}
}
int
-Session::no_roll (nframes_t nframes, nframes_t offset)
+Session::fail_roll (nframes_t nframes)
+{
+ return no_roll (nframes);
+}
+
+int
+Session::no_roll (nframes_t nframes)
{
nframes_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ??
int ret = 0;
boost::shared_ptr<RouteList> r = routes.reader ();
if (_click_io) {
- _click_io->silence (nframes, offset);
- }
-
- if (g_atomic_int_get (&processing_prohibited)) {
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- (*i)->silence (nframes, offset);
- }
- return 0;
+ _click_io->silence (nframes);
}
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
-
+
if ((*i)->is_hidden()) {
continue;
}
-
+
(*i)->set_pending_declick (declick);
-
- if ((*i)->no_roll (nframes, _transport_frame, end_frame, offset, non_realtime_work_pending(),
+
+ if ((*i)->no_roll (nframes, _transport_frame, end_frame, non_realtime_work_pending(),
actively_recording(), declick)) {
error << string_compose(_("Session: error in no roll for %1"), (*i)->name()) << endmsg;
ret = -1;
}
int
-Session::process_routes (nframes_t nframes, nframes_t offset)
+Session::process_routes (nframes_t nframes)
{
bool record_active;
int declick = get_transport_declick_required();
(*i)->set_pending_declick (declick);
- if ((ret = (*i)->roll (nframes, start_frame, end_frame, offset, declick, record_active, rec_monitors)) < 0) {
+ if ((ret = (*i)->roll (nframes, start_frame, end_frame, declick, record_active, rec_monitors)) < 0) {
/* we have to do this here. Route::roll() for an AudioTrack will have called AudioDiskstream::process(),
and the DS will expect AudioDiskstream::commit() to be called. but we're aborting from that
stop_transport ();
return -1;
- }
+ }
}
return 0;
}
int
-Session::silent_process_routes (nframes_t nframes, nframes_t offset)
+Session::silent_process_routes (nframes_t nframes)
{
bool record_active = actively_recording();
int declick = get_transport_declick_required();
/* force a declick out */
declick = -1;
}
-
+
const nframes_t start_frame = _transport_frame;
const nframes_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
continue;
}
- if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, offset, record_active, rec_monitors)) < 0) {
-
+ if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, record_active, rec_monitors)) < 0) {
+
/* we have to do this here. Route::roll() for an AudioTrack will have called AudioDiskstream::process(),
and the DS will expect AudioDiskstream::commit() to be called. but we're aborting from that
call path, so make sure we release any outstanding locks here before we return failure.
stop_transport ();
return -1;
- }
+ }
}
return 0;
if ((*i)->hidden()) {
continue;
}
-
+
/* force all diskstreams not handled by a Route to call do their stuff.
Note: the diskstreams that were handled by a route will just return zero
from this call, because they know they were processed. So in fact, this
also runs commit() for every diskstream.
*/
- if ((dret = (*i)->process (_transport_frame, nframes, 0, actively_recording(), get_rec_monitors_input())) == 0) {
+ if ((dret = (*i)->process (_transport_frame, nframes, actively_recording(), get_rec_monitors_input())) == 0) {
if ((*i)->commit (nframes)) {
needs_butler = true;
}
} else if (dret < 0) {
(*i)->recover();
}
-
+
pworst = min (pworst, (*i)->playback_buffer_load());
cworst = min (cworst, (*i)->capture_buffer_load());
}
void
Session::process_with_events (nframes_t nframes)
{
- Event* ev;
- nframes_t this_nframes;
- nframes_t end_frame;
- nframes_t offset;
- bool session_needs_butler = false;
- nframes_t stop_limit;
+ SessionEvent* ev;
+ nframes_t this_nframes;
+ nframes_t end_frame;
+ bool session_needs_butler = false;
+ nframes_t stop_limit;
long frames_moved;
-
+
/* make sure the auditioner is silent */
if (auditioner) {
- auditioner->silence (nframes, 0);
+ auditioner->silence (nframes);
}
/* handle any pending events */
/* if we are not in the middle of a state change,
and there are immediate events queued up,
- process them.
+ process them.
*/
while (!non_realtime_work_pending() && !immediate_events.empty()) {
- Event *ev = immediate_events.front ();
+ SessionEvent *ev = immediate_events.front ();
immediate_events.pop_front ();
process_event (ev);
}
- /* Events caused a transport change, send an MTC Full Frame (SMPTE) message.
+ /* Events caused a transport change, send an MTC Full Frame (Timecode) message.
* This is sent whether rolling or not, to give slaves an idea of ardour time
* on locates (and allow slow slaves to position and prepare for rolling)
*/
- if (_send_smpte_update) {
+ if (_send_timecode_update) {
send_full_time_code(nframes);
+ deliver_mmc (MIDI::MachineControl::cmdLocate, _transport_frame);
}
if (!process_can_proceed()) {
return;
}
- end_frame = _transport_frame + (nframes_t)abs(floor(nframes * _transport_speed));
+ if (_transport_speed == 1.0) {
+ frames_moved = (long) nframes;
+ } else {
+ interpolation.set_target_speed (fabs(_target_transport_speed));
+ interpolation.set_speed (fabs(_transport_speed));
+ frames_moved = (long) interpolation.interpolate (0, nframes, 0, 0);
+ }
+
+ end_frame = _transport_frame + (nframes_t)frames_moved;
{
- Event* this_event;
+ SessionEvent* this_event;
Events::iterator the_next_one;
-
+
if (!process_can_proceed()) {
_silent = true;
return;
}
-
+
if (!_exporting && _slave) {
- if (!follow_slave (nframes, 0)) {
+ if (!follow_slave (nframes)) {
return;
}
- }
+ }
if (_transport_speed == 0) {
- no_roll (nframes, 0);
+ no_roll (nframes);
return;
}
-
+
if (!_exporting) {
send_midi_time_code_for_cycle (nframes);
}
}
if (maybe_stop (stop_limit)) {
- no_roll (nframes, 0);
+ no_roll (nframes);
return;
- }
+ }
this_event = *next_event;
the_next_one = next_event;
++the_next_one;
- offset = 0;
-
/* yes folks, here it is, the actual loop where we really truly
- process some audio */
+ process some audio
+ */
+
while (nframes) {
this_nframes = nframes; /* real (jack) time relative */
/* this isn't quite right for reverse play */
frames_moved = (long) (this_event->action_frame - _transport_frame);
this_nframes = (nframes_t) abs( floor(frames_moved / _transport_speed) );
- }
+ }
if (this_nframes) {
-
- click (_transport_frame, nframes, offset);
-
+
+ click (_transport_frame, this_nframes);
+
/* now process frames between now and the first event in this block */
prepare_diskstreams ();
- if (process_routes (this_nframes, offset)) {
- no_roll (nframes, 0);
+ if (process_routes (this_nframes)) {
+ fail_roll (nframes);
return;
}
-
+
commit_diskstreams (this_nframes, session_needs_butler);
nframes -= this_nframes;
- offset += this_nframes;
-
+
if (frames_moved < 0) {
decrement_transport_position (-frames_moved);
} else {
check_declick_out ();
}
+ _engine.split_cycle (this_nframes);
+
/* now handle this event and all others scheduled for the same time */
-
+
while (this_event && this_event->action_frame == _transport_frame) {
process_event (this_event);
this_event = *the_next_one;
++the_next_one;
}
- }
+ }
/* if an event left our state changing, do the right thing */
- if (non_realtime_work_pending()) {
- no_roll (nframes, offset);
+ if (nframes && non_realtime_work_pending()) {
+ no_roll (nframes);
break;
}
/* this is necessary to handle the case of seamless looping */
end_frame = _transport_frame + (nframes_t) floor (nframes * _transport_speed);
-
+
}
set_next_event ();
} /* implicit release of route lock */
- if (session_needs_butler)
- summon_butler ();
+ if (session_needs_butler) {
+ _butler->summon ();
+ }
}
void
average_slave_delta = 1800;
delta_accumulator_cnt = 0;
have_first_delta_accumulator = false;
- slave_state = Stopped;
+ _slave_state = Stopped;
}
bool
{
Slave* sl = _slave;
- if (!locate_pending() && ((Config->get_slave_source() == None) || (sl && sl->ok() && sl->locked()))) {
+ if (!locate_pending() && (!config.get_external_sync() || (sl && sl->ok() && sl->locked()))) {
return true;
}
}
bool
-Session::follow_slave (nframes_t nframes, nframes_t offset)
+Session::follow_slave (nframes_t nframes)
{
- float slave_speed;
- nframes_t slave_transport_frame;
+ double slave_speed;
+ nframes64_t slave_transport_frame;
nframes_t this_delta;
int dir;
- bool starting;
if (!_slave->ok()) {
stop_transport ();
- Config->set_slave_source (None);
+ config.set_external_sync (false);
goto noroll;
}
-
+
_slave->speed_and_position (slave_speed, slave_transport_frame);
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("Slave position %1 speed %2\n", slave_transport_frame, slave_speed));
+
if (!_slave->locked()) {
+ DEBUG_TRACE (DEBUG::Slave, "slave not locked\n");
goto noroll;
}
dir = -1;
}
- if ((starting = _slave->starting())) {
+ if (_slave->starting()) {
slave_speed = 0.0f;
}
- if (_slave->is_always_synced() || Config->get_timecode_source_is_synced()) {
+ if (_slave->is_always_synced() || config.get_timecode_source_is_synced()) {
- /* if the TC source is synced, then we assume that its
+ /* if the TC source is synced, then we assume that its
speed is binary: 0.0 or 1.0
*/
if (slave_speed != 0.0f) {
slave_speed = 1.0f;
- }
+ }
} else {
- /* TC source is able to drift relative to us (slave)
- so we need to keep track of the drift and adjust
- our speed to remain locked.
+ /* if we are chasing and the average delta between us and the
+ master gets too big, we want to switch to silent
+ motion. so keep track of that here.
*/
- calculate_moving_average_of_slave_delta(dir, this_delta);
+ if (_slave_state == Running) {
+ calculate_moving_average_of_slave_delta(dir, this_delta);
+ }
}
-
- track_slave_state(slave_speed, slave_transport_frame, this_delta, starting);
- if (slave_state == Running && !_slave->is_always_synced() && !Config->get_timecode_source_is_synced()) {
+ track_slave_state (slave_speed, slave_transport_frame, this_delta);
+
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("slave state %1 @ %2 speed %3 cur delta %4 avg delta %5\n",
+ _slave_state, slave_transport_frame, slave_speed, this_delta, average_slave_delta));
+
+
+ if (_slave_state == Running && !_slave->is_always_synced() && !config.get_timecode_source_is_synced()) {
if (_transport_speed != 0.0f) {
-
- /*
- note that average_dir is +1 or -1
+
+ /*
+ note that average_dir is +1 or -1
*/
-
+
float delta;
- #ifdef USE_MOVING_AVERAGE_OF_SLAVE
- if (average_slave_delta == 0) {
- delta = this_delta;
- delta *= dir;
- } else {
- delta = average_slave_delta;
- delta *= average_dir;
- }
- #else
+ if (average_slave_delta == 0) {
delta = this_delta;
delta *= dir;
- #endif
+ } else {
+ delta = average_slave_delta;
+ delta *= average_dir;
+ }
- float adjusted_speed = slave_speed +
- (delta / float(_current_frame_rate));
-
- #ifdef DEBUG_SLAVES
- cerr << "adjust using " << delta
- << " towards " << adjusted_speed
- << " ratio = " << adjusted_speed / slave_speed
- << " current = " << _transport_speed
- << " slave @ " << slave_speed
- << endl;
- #endif
+#ifndef NDEBUG
+ if (slave_speed != 0.0) {
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("delta = %1 speed = %2 ts = %3 M@%4 S@%5 avgdelta %6\n",
+ (int) (dir * this_delta),
+ slave_speed,
+ _transport_speed,
+ _transport_frame,
+ slave_transport_frame,
+ average_slave_delta));
+ }
+#endif
- request_transport_speed (adjusted_speed);
+ if (_slave->give_slave_full_control_over_transport_speed()) {
+ set_transport_speed (slave_speed, false, false);
+ //std::cout << "set speed = " << slave_speed << "\n";
+ } else {
+ float adjusted_speed = slave_speed + (1.5 * (delta / float(_current_frame_rate)));
+ request_transport_speed (adjusted_speed);
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("adjust using %1 towards %2 ratio %3 current %4 slave @ %5\n",
+ delta, adjusted_speed, adjusted_speed/slave_speed, _transport_speed,
+ slave_speed));
+ }
- if (abs(average_slave_delta) > (long) _slave->resolution()) {
- cerr << "average slave delta greater than slave resolution, going to silent motion\n";
+#if 1
+ if ((nframes_t) abs(average_slave_delta) > _slave->resolution()) {
+ cerr << "average slave delta greater than slave resolution (" << _slave->resolution() << "), going to silent motion\n";
goto silent_motion;
}
+#endif
}
- }
-
- #ifdef DEBUG_SLAVES
- if (slave_speed != 0.0)
- cerr << "delta = " << (int) (dir * this_delta)
- << " speed = " << slave_speed
- << " ts = " << _transport_speed
- << " M@ "<< slave_transport_frame << " S@ " << _transport_frame
- << " avgdelta = " << average_slave_delta
- << endl;
- #endif
-
- if (!starting && !non_realtime_work_pending()) {
+ }
+
+
+ if (_slave_state == Running && !non_realtime_work_pending()) {
/* speed is set, we're locked, and good to go */
return true;
}
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
- for now.
- */
-
- bool need_butler;
-
- prepare_diskstreams ();
- silent_process_routes (nframes, offset);
- commit_diskstreams (nframes, need_butler);
-
- if (need_butler) {
- summon_butler ();
- }
-
- int32_t frames_moved = (int32_t) floor (_transport_speed * nframes);
-
- if (frames_moved < 0) {
- decrement_transport_position (-frames_moved);
- } else {
- increment_transport_position (frames_moved);
- }
-
- nframes_t stop_limit;
-
- if (actively_recording()) {
- stop_limit = max_frames;
- } else {
- if (Config->get_stop_at_session_end()) {
- stop_limit = current_end_frame();
- } else {
- stop_limit = max_frames;
- }
- }
-
- maybe_stop (stop_limit);
- }
+ DEBUG_TRACE (DEBUG::Slave, "silent motion\n")
+ follow_slave_silently (nframes, slave_speed);
noroll:
/* don't move at all */
-#ifdef DEBUG_SLAVES
- cerr << "reached no_roll:" <<endl;
-#endif
- no_roll (nframes, 0);
+ DEBUG_TRACE (DEBUG::Slave, "no roll\n")
+ no_roll (nframes);
return false;
}
if (delta_accumulator_cnt != 0 || this_delta < _current_frame_rate) {
delta_accumulator[delta_accumulator_cnt++] = long(dir) * long(this_delta);
}
-
+
if (have_first_delta_accumulator) {
average_slave_delta = 0L;
for (int i = 0; i < delta_accumulator_size; ++i) {
}
void
-Session::track_slave_state(
- float slave_speed,
- nframes_t slave_transport_frame,
- nframes_t this_delta,
- bool starting)
+Session::track_slave_state (float slave_speed, nframes_t slave_transport_frame, nframes_t this_delta)
{
if (slave_speed != 0.0f) {
/* slave is running */
- switch (slave_state) {
+ switch (_slave_state) {
case Stopped:
if (_slave->requires_seekahead()) {
- slave_wait_end = slave_transport_frame + _current_frame_rate;
+ slave_wait_end = slave_transport_frame + _slave->seekahead_distance ();
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("slave stopped, but running, requires seekahead to %1\n", slave_wait_end));
+ /* we can call locate() here because we are in process context */
locate (slave_wait_end, false, false);
- slave_state = Waiting;
- starting = true;
+ _slave_state = Waiting;
} else {
- slave_state = Running;
+ _slave_state = Running;
Location* al = _locations.auto_loop_location();
break;
case Waiting:
- break;
-
default:
break;
-
}
- if (slave_state == Waiting) {
+ if (_slave_state == Waiting) {
+
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("slave waiting at %1\n", slave_transport_frame));
-#ifdef DEBUG_SLAVES
- cerr << "waiting at " << slave_transport_frame << endl;
-#endif
if (slave_transport_frame >= slave_wait_end) {
-#ifdef DEBUG_SLAVES
- cerr << "\tstart at " << _transport_frame << endl;
-#endif
- slave_state = Running;
+
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("slave start at %1 vs %2\n", slave_transport_frame, _transport_frame));
+
+ _slave_state = Running;
+
+ /* now perform a "micro-seek" within the disk buffers to realign ourselves
+ precisely with the master.
+ */
+
bool ok = true;
nframes_t frame_delta = slave_transport_frame - _transport_frame;
boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
-
+
for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
if (!(*i)->can_internal_playback_seek (frame_delta)) {
ok = false;
(*i)->internal_playback_seek (frame_delta);
}
_transport_frame += frame_delta;
-
+
} else {
cerr << "cannot micro-seek\n";
/* XXX what? */
this_delta = 0;
}
}
-
- if (slave_state == Running && _transport_speed == 0.0f) {
-
-#ifdef DEBUG_SLAVES
- cerr << "slave starts transport\n";
-#endif
+
+ if (_slave_state == Running && _transport_speed == 0.0f) {
+ DEBUG_TRACE (DEBUG::Slave, "slave starts transport\n");
start_transport ();
- }
+ }
} else { // slave_speed is 0
/* slave has stopped */
if (_transport_speed != 0.0f) {
-
-#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;
- }
-
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("slave stops transport: %1 frame %2 tf %3\n", slave_speed, slave_transport_frame, _transport_frame));
stop_transport();
}
if (slave_transport_frame != _transport_frame) {
-#ifdef DEBUG_SLAVES
- cerr << "slave stopped, move to " << slave_transport_frame << endl;
-#endif
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("slave stopped, move to %1\n", slave_transport_frame));
force_locate (slave_transport_frame, false);
}
- slave_state = Stopped;
+ _slave_state = Stopped;
+ }
+}
+
+void
+Session::follow_slave_silently (nframes_t nframes, float slave_speed)
+{
+ if (slave_speed && _transport_speed) {
+
+ /* something isn't right, but we should move with the master
+ for now.
+ */
+
+ bool need_butler;
+
+ prepare_diskstreams ();
+ silent_process_routes (nframes);
+ commit_diskstreams (nframes, need_butler);
+
+ if (need_butler) {
+ _butler->summon ();
+ }
+
+ int32_t frames_moved = (int32_t) floor (_transport_speed * nframes);
+
+ if (frames_moved < 0) {
+ decrement_transport_position (-frames_moved);
+ } else {
+ increment_transport_position (frames_moved);
+ }
+
+ nframes_t stop_limit;
+
+ if (actively_recording()) {
+ stop_limit = max_frames;
+ } else {
+ if (Config->get_stop_at_session_end()) {
+ stop_limit = current_end_frame();
+ } else {
+ stop_limit = max_frames;
+ }
+ }
+
+ maybe_stop (stop_limit);
}
}
bool session_needs_butler = false;
nframes_t stop_limit;
long frames_moved;
- nframes_t offset = 0;
if (!process_can_proceed()) {
_silent = true;
}
if (!_exporting && _slave) {
- if (!follow_slave (nframes, 0)) {
+ if (!follow_slave (nframes)) {
return;
}
- }
+ }
if (_transport_speed == 0) {
- no_roll (nframes, 0);
+ fail_roll (nframes);
return;
}
-
+
if (!_exporting) {
send_midi_time_code_for_cycle (nframes);
}
stop_limit = max_frames;
}
}
-
+
if (maybe_stop (stop_limit)) {
- no_roll (nframes, 0);
+ fail_roll (nframes);
return;
- }
+ }
- if (maybe_sync_start (nframes, offset)) {
+ if (maybe_sync_start (nframes)) {
return;
}
- click (_transport_frame, nframes, offset);
+ click (_transport_frame, nframes);
prepare_diskstreams ();
-
- frames_moved = (long) floor (_transport_speed * nframes);
- if (process_routes (nframes, offset)) {
- no_roll (nframes, offset);
+ if (_transport_speed == 1.0) {
+ frames_moved = (long) nframes;
+ } else {
+ interpolation.set_target_speed (fabs(_target_transport_speed));
+ interpolation.set_speed (fabs(_transport_speed));
+ frames_moved = (long) interpolation.interpolate (0, nframes, 0, 0);
+ }
+
+ if (process_routes (nframes)) {
+ fail_roll (nframes);
return;
}
maybe_stop (stop_limit);
check_declick_out ();
- if (session_needs_butler)
- summon_butler ();
+ if (session_needs_butler) {
+ _butler->summon ();
+ }
}
/** Process callback used when the auditioner is active.
void
Session::process_audition (nframes_t nframes)
{
- Event* ev;
+ SessionEvent* ev;
boost::shared_ptr<RouteList> r = routes.reader ();
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
if (!(*i)->is_hidden()) {
- (*i)->silence (nframes, 0);
+ (*i)->silence (nframes);
}
}
/* run the auditioner, and if it says we need butler service, ask for it */
-
+
if (auditioner->play_audition (nframes) > 0) {
- summon_butler ();
- }
+ _butler->summon ();
+ }
/* handle pending events */
/* if we are not in the middle of a state change,
and there are immediate events queued up,
- process them.
+ process them.
*/
while (!non_realtime_work_pending() && !immediate_events.empty()) {
- Event *ev = immediate_events.front ();
+ SessionEvent *ev = immediate_events.front ();
immediate_events.pop_front ();
process_event (ev);
}
}
bool
-Session::maybe_sync_start (nframes_t& nframes, nframes_t& offset)
+Session::maybe_sync_start (nframes_t& nframes)
{
nframes_t sync_offset;
is left to do.
*/
- no_roll (sync_offset, 0);
+ no_roll (sync_offset);
nframes -= sync_offset;
- offset += sync_offset;
+ Port::increment_port_offset (sync_offset);
waiting_for_sync_offset = false;
-
+
if (nframes == 0) {
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
+ 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);
- g_atomic_int_dec_and_test (&processing_prohibited);
+ _silent = true;
if (Config->get_locate_while_waiting_for_sync()) {
if (micro_locate (nframes)) {
return false;
}
+void
+Session::queue_event (SessionEvent* ev)
+{
+ if (_state_of_the_state & Deletion) {
+ return;
+ } else if (_state_of_the_state & Loading) {
+ merge_event (ev);
+ } else {
+ pending_events.write (&ev, 1);
+ }
+}
+
+void
+Session::set_next_event ()
+{
+ if (events.empty()) {
+ next_event = events.end();
+ return;
+ }
+
+ if (next_event == events.end()) {
+ next_event = events.begin();
+ }
+
+ if ((*next_event)->action_frame > _transport_frame) {
+ next_event = events.begin();
+ }
+
+ for (; next_event != events.end(); ++next_event) {
+ if ((*next_event)->action_frame >= _transport_frame) {
+ break;
+ }
+ }
+}
+
+void
+Session::process_event (SessionEvent* ev)
+{
+ bool remove = true;
+ bool del = true;
+
+ /* if we're in the middle of a state change (i.e. waiting
+ for the butler thread to complete the non-realtime
+ part of the change), we'll just have to queue this
+ event for a time when the change is complete.
+ */
+
+ if (non_realtime_work_pending()) {
+
+ /* except locates, which we have the capability to handle */
+
+ if (ev->type != SessionEvent::Locate) {
+ immediate_events.insert (immediate_events.end(), ev);
+ _remove_event (ev);
+ return;
+ }
+ }
+
+ DEBUG_TRACE (DEBUG::SessionEvents, string_compose ("Processing event: %1 @ %2\n", enum_2_string (ev->type), _transport_frame));
+
+ switch (ev->type) {
+ case SessionEvent::SetLoop:
+ set_play_loop (ev->yes_or_no);
+ break;
+
+ case SessionEvent::AutoLoop:
+ if (play_loop) {
+ start_locate (ev->target_frame, true, false, Config->get_seamless_loop());
+ }
+ remove = false;
+ del = false;
+ break;
+
+ case SessionEvent::Locate:
+ if (ev->yes_or_no) {
+ // cerr << "forced locate to " << ev->target_frame << endl;
+ locate (ev->target_frame, false, true, false);
+ } else {
+ // cerr << "soft locate to " << ev->target_frame << endl;
+ start_locate (ev->target_frame, false, true, false);
+ }
+ _send_timecode_update = true;
+ break;
+
+ case SessionEvent::LocateRoll:
+ if (ev->yes_or_no) {
+ // cerr << "forced locate to+roll " << ev->target_frame << endl;
+ locate (ev->target_frame, true, true, false);
+ } else {
+ // cerr << "soft locate to+roll " << ev->target_frame << endl;
+ start_locate (ev->target_frame, true, true, false);
+ }
+ _send_timecode_update = true;
+ break;
+
+ case SessionEvent::LocateRollLocate:
+ // locate is handled by ::request_roll_at_and_return()
+ _requested_return_frame = ev->target_frame;
+ request_locate (ev->target2_frame, true);
+ break;
+
+
+ case SessionEvent::SetTransportSpeed:
+ set_transport_speed (ev->speed, ev->yes_or_no, ev->second_yes_or_no);
+ break;
+
+ case SessionEvent::PunchIn:
+ // cerr << "PunchIN at " << transport_frame() << endl;
+ if (config.get_punch_in() && record_status() == Enabled) {
+ enable_record ();
+ }
+ remove = false;
+ del = false;
+ break;
+
+ case SessionEvent::PunchOut:
+ // cerr << "PunchOUT at " << transport_frame() << endl;
+ if (config.get_punch_out()) {
+ step_back_from_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);
+ }
+ remove = false;
+ del = false;
+ break;
+
+ case SessionEvent::RangeStop:
+ if (!non_realtime_work_pending()) {
+ stop_transport (ev->yes_or_no);
+ }
+ remove = false;
+ del = false;
+ break;
+
+ case SessionEvent::RangeLocate:
+ start_locate (ev->target_frame, true, true, false);
+ remove = false;
+ del = false;
+ break;
+
+ case SessionEvent::Overwrite:
+ overwrite_some_buffers (static_cast<Diskstream*>(ev->ptr));
+ break;
+
+ case SessionEvent::SetDiskstreamSpeed:
+ set_diskstream_speed (static_cast<Diskstream*> (ev->ptr), ev->speed);
+ break;
+
+ case SessionEvent::SetSyncSource:
+ use_sync_source (ev->slave);
+ break;
+
+ case SessionEvent::Audition:
+ set_audition (ev->region);
+ // drop reference to region
+ 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::RealTimeOperation:
+ process_rtop (ev);
+ del = false; // other side of RT request needs to clean up
+ break;
+
+ default:
+ fatal << string_compose(_("Programming error: illegal event type in process_event (%1)"), ev->type) << endmsg;
+ /*NOTREACHED*/
+ break;
+ };
+
+ if (remove) {
+ del = del && !_remove_event (ev);
+ }
+
+ if (del) {
+ delete ev;
+ }
+}
+
projects / ardour.git / blobdiff