/*
- 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 <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/cycle_timer.h"
+#include "ardour/cycles.h"
+#include "ardour/session.h"
+#include "ardour/slave.h"
+#include "ardour/timestamps.h"
-#include <midi++/manager.h>
+#include "midi++/manager.h"
#include "i18n.h"
_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());
}
Event* ev;
nframes_t this_nframes;
nframes_t end_frame;
- nframes_t offset;
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()) {
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);
}
return;
}
- /// TODO: Figure out what happens to phi and phase, if transport speed momentarily becomes
- /// 1.0 eg. during the adjustments of a slave. If that is a bug, then AudioDiskstream::process
- /// is very likely broken too
if (_transport_speed == 1.0) {
frames_moved = (long) nframes;
- } else {
- frames_moved = (long) AudioDiskstream::
- calculate_varispeed_playback_distance(nframes, phase, phi, target_phi);
+ } 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;
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 */
+ frames_moved = (long) floor (_transport_speed * nframes); /* transport relative */
/* running an event, position transport precisely to its time */
if (this_event && this_event->action_frame <= end_frame && this_event->action_frame >= _transport_frame) {
/* 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
{
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)
{
double slave_speed;
- nframes_t slave_transport_frame;
+ 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);
if (!_slave->locked()) {
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 {
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()) {
+ 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
#endif
float adjusted_speed = slave_speed + (delta / float(_current_frame_rate));
-
+
if (_slave->give_slave_full_control_over_transport_speed()) {
request_transport_speed(slave_speed);
} else {
<< endl;
#endif
}
-
+
if (abs(average_slave_delta) > (long) _slave->resolution()) {
cerr << "average slave delta greater than slave resolution, going to silent motion\n";
goto silent_motion;
}
}
- }
-
+ }
+
#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
+ << " speed = " << slave_speed
+ << " ts = " << _transport_speed
+ << " M@ "<< slave_transport_frame << " S@ " << _transport_frame
+ << " avgdelta = " << average_slave_delta
<< endl;
- #endif
+ #endif
if (!starting && !non_realtime_work_pending()) {
/* speed is set, we're locked, and good to go */
}
silent_motion:
- #ifdef DEBUG_SLAVES
+ #ifdef DEBUG_SLAVES
cerr << "reached silent_motion:" <<endl;
#endif
-
- follow_slave_silently(nframes, offset, slave_speed);
-
+
+ follow_slave_silently (nframes, slave_speed);
+
noroll:
/* don't move at all */
- #ifdef DEBUG_SLAVES
+ #ifdef DEBUG_SLAVES
cerr << "reached no_roll:" <<endl;
#endif
- no_roll (nframes, 0);
+ 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,
+ float slave_speed,
+ nframes_t slave_transport_frame,
nframes_t this_delta,
bool starting)
{
#ifdef DEBUG_SLAVES
cerr << "waiting at " << slave_transport_frame << endl;
- #endif
+ #endif
if (slave_transport_frame >= slave_wait_end) {
#ifdef DEBUG_SLAVES
cerr << "\tstart at " << _transport_frame << endl;
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
start_transport ();
- }
+ }
} else { // slave_speed is 0
if (_transport_speed != 0.0f) {
#ifdef DEBUG_SLAVES
- cerr << "slave stops transport: " << slave_speed << " frame: " << slave_transport_frame
+ 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;
- }
stop_transport();
}
if (slave_transport_frame != _transport_frame) {
- #ifdef DEBUG_SLAVES
+ #ifdef DEBUG_SLAVES
cerr << "slave stopped, move to " << slave_transport_frame << endl;
#endif
force_locate (slave_transport_frame, false);
}
void
-Session::follow_slave_silently(nframes_t nframes, nframes_t offset, float slave_speed)
+Session::follow_slave_silently (nframes_t nframes, float slave_speed)
{
if (slave_speed && _transport_speed) {
*/
bool need_butler;
-
+
prepare_diskstreams ();
- silent_process_routes (nframes, offset);
+ silent_process_routes (nframes);
commit_diskstreams (nframes, need_butler);
if (need_butler) {
- summon_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 {
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 ();
-
- /// TODO: Figure out what happens to phi and phase, if transport speed momentarily becomes
- /// 1.0 eg. during the adjustments of a slave. If that is a bug, then AudioDiskstream::process
- /// is very likely broken too
+
if (_transport_speed == 1.0) {
frames_moved = (long) nframes;
- } else {
- frames_moved = (long) AudioDiskstream::
- calculate_varispeed_playback_distance(nframes, phase, phi, target_phi);
+ } 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, offset)) {
- no_roll (nframes, offset);
+ 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.
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()) {
}
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)) {
projects / ardour.git / blobdiff