#include "ardour/delayline.h"
#include "ardour/midi_buffer.h"
#include "ardour/midi_port.h"
+#include "ardour/monitor_control.h"
#include "ardour/monitor_processor.h"
#include "ardour/pannable.h"
#include "ardour/panner.h"
, Muteable (sess, name)
, _active (true)
, _signal_latency (0)
- , _signal_latency_at_amp_position (0)
- , _signal_latency_at_trim_position (0)
- , _initial_delay (0)
- , _roll_delay (0)
, _disk_io_point (DiskIOPreFader)
, _pending_process_reorder (0)
, _pending_signals (0)
, _meter_type (MeterPeak)
, _denormal_protection (false)
, _recordable (true)
- , _silent (false)
, _declickable (false)
, _have_internal_generator (false)
, _default_type (default_type)
, _track_number (0)
+ , _strict_io (false)
, _in_configure_processors (false)
, _initial_io_setup (false)
, _in_sidechain_setup (false)
- , _strict_io (false)
, _custom_meter_position_noted (false)
, _pinmgr_proxy (0)
, _patch_selector_dialog (0)
_amp->set_display_name (_("Monitor"));
}
-#if 0 // not used - just yet
if (!is_master() && !is_monitor() && !is_auditioner()) {
- _delayline.reset (new DelayLine (_session, _name));
- add_processor (_delayline, PreFader);
+ _delayline.reset (new DelayLine (_session, name ()));
}
-#endif
/* and input trim */
}
void
-Route::maybe_declick (BufferSet&, framecnt_t, int)
+Route::maybe_declick (BufferSet&, samplecnt_t, int)
{
/* this is the "bus" implementation and they never declick.
*/
/** Process this route for one (sub) cycle (process thread)
*
* @param bufs Scratch buffers to use for the signal path
- * @param start_frame Initial transport frame
- * @param end_frame Final transport frame
- * @param nframes Number of frames to output (to ports)
+ * @param start_sample Initial transport sample
+ * @param end_sample Final transport sample
+ * @param nframes Number of samples to output (to ports)
*
- * Note that (end_frame - start_frame) may not be equal to nframes when the
+ * Note that (end_sample - start_sample) may not be equal to nframes when the
* transport speed isn't 1.0 (eg varispeed).
*/
void
Route::process_output_buffers (BufferSet& bufs,
- framepos_t start_frame, framepos_t end_frame, pframes_t nframes,
- int declick, bool gain_automation_ok)
+ samplepos_t start_sample, samplepos_t end_sample, pframes_t nframes,
+ int declick, bool gain_automation_ok, bool run_disk_reader)
{
/* Caller must hold process lock */
assert (!AudioEngine::instance()->process_lock().trylock());
Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
if (!lm.locked()) {
- // can this actually happen? functions calling process_output_buffers()
- // already take a reader-lock.
+ // can this actually happen?
+ // Places that need a WriterLock on (_processor_lock) must also take the process-lock.
bufs.silence (nframes, 0);
+ assert (0); // ...one way to find out.
return;
}
- automation_run (start_frame, nframes);
+ /* We should offset the route-owned ctrls by the given latency, however
+ * this only affects Mute. Other route-owned controls (solo, polarity..)
+ * are not automatable.
+ *
+ * Mute has its own issues since there's not a single mute-point,
+ * but in general
+ */
+ automation_run (start_sample, nframes);
/* figure out if we're going to use gain automation */
if (gain_automation_ok) {
_amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
_amp->setup_gain_automation (
- start_frame + _signal_latency_at_amp_position,
- end_frame + _signal_latency_at_amp_position,
+ start_sample + _amp->output_latency (),
+ end_sample + _amp->output_latency (),
nframes);
_trim->set_gain_automation_buffer (_session.trim_automation_buffer ());
_trim->setup_gain_automation (
- start_frame + _signal_latency_at_trim_position,
- end_frame + _signal_latency_at_trim_position,
+ start_sample + _trim->output_latency (),
+ end_sample + _trim->output_latency (),
nframes);
- } else {
- _amp->apply_gain_automation (false);
- _trim->apply_gain_automation (false);
}
- /* Tell main outs what to do about monitoring. We do this so that
- on a transition between monitoring states we get a de-clicking gain
- change in the _main_outs delivery, if config.get_use_monitor_fades()
- is true.
+ /* We align the playhead to output. The user hears what the clock says:
+ * When the playhead/clock says 1:00:00:00 the user will hear the audio sample
+ * at 1:00:00:00. sample_start will be [sample at] 1:00:00:00
+ *
+ * e.g. clock says Time T = 0, sample_start = 0
+ * Disk-read(play) -> latent-plugin (+10) -> fader-automation -> output (+5)
+ * -> total playback latency "disk -> out" is 15.
+ * -> at Time T= -15, the disk-reader reads sample T=0.
+ * By the Time T=0 is reached (dt=15 later) that sample is audible.
+ */
- We override this in the case where we have an internal generator.
- */
- bool silence = _have_internal_generator ? false : (monitoring_state () == MonitoringSilence);
+ start_sample += _signal_latency;
+ end_sample += _signal_latency;
+
+ start_sample += _output->latency ();
+ end_sample += _output->latency ();
+
+ const double speed = (is_auditioner() ? 1.0 : _session.transport_speed ());
+
+ /* Note: during intial pre-roll 'start_sample' as passed as argument can be negative.
+ * Functions calling process_output_buffers() will set "run_disk_reader"
+ * to false if the pre-roll count-down is larger than playback_latency ().
+ *
+ * playback_latency() is guarnteed to be <= _signal_latency + _output->latency ()
+ */
+ assert (!_disk_reader || !run_disk_reader || start_sample >= 0);
+
+ /* however the disk-writer may need to pick up output from other tracks
+ * during pre-roll (in particular if this route has latent effects after the disk).
+ *
+ * e.g. track 1 play -> latency A --port--> track2 capture -> latency B ---> out
+ * total pre-roll = A + B.
+ *
+ * Note the disk-writer has built-in overlap detection (it's safe to run it early)
+ * given that
+ */
+ bool run_disk_writer = false;
+ if (_disk_writer && speed != 0) {
+ samplecnt_t latency_preroll = _session.remaining_latency_preroll ();
+ run_disk_writer = latency_preroll < nframes + (_signal_latency + _output->latency ());
+ if (end_sample - _disk_writer->input_latency () < _session.transport_sample ()) {
+ run_disk_writer = true;
+ }
+ }
+
+ /* Tell main outs what to do about monitoring. We do this so that
+ * on a transition between monitoring states we get a de-clicking gain
+ * change in the _main_outs delivery, if config.get_use_monitor_fades()
+ * is true.
+ *
+ * We override this in the case where we have an internal generator.
+ *
+ * FIXME: when punching in/out this also depends on latency compensated time
+ * for this route. monitoring_state() does not currently handle that correctly,.
+ *
+ * Also during remaining_latency_preroll, transport_rolling () is false, but
+ * we may need to monitor disk instead.
+ */
+ MonitorState ms = monitoring_state ();
+ bool silence = _have_internal_generator ? false : (ms == MonitoringSilence);
_main_outs->no_outs_cuz_we_no_monitor (silence);
GLOBAL DECLICK (for transport changes etc.)
----------------------------------------------------------------------------------------- */
+ // XXX not latency compensated. calls Amp::declick, but there may be
+ // plugins between disk and Fader.
maybe_declick (bufs, nframes, declick);
_pending_declick = 0;
DENORMAL CONTROL/PHASE INVERT
----------------------------------------------------------------------------------------- */
+ /* TODO phase-control should become a processor, or rather a Stub-processor:
+ * a point in the chain which calls a special-cased private Route method.
+ * _phase_control is route-owned and dynamic.)
+ * and we should rename it to polarity.
+ *
+ * denormals: we'll need to protect silent inputs as well as silent disk
+ * (when not monitoring input). Or simply drop that feature.
+ */
if (!_phase_control->none()) {
int chn = 0;
sp[nx] += 1.0e-27f;
}
}
-
}
+
}
/* -------------------------------------------------------------------------------------------
and go ....
----------------------------------------------------------------------------------------- */
- /* set this to be true if the meter will already have been ::run() earlier */
- bool const meter_already_run = metering_state() == MeteringInput;
-
- framecnt_t latency = 0;
- const double speed = (is_auditioner() ? 1.0 : _session.transport_speed ());
+ samplecnt_t latency = 0;
for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
- if (meter_already_run && boost::dynamic_pointer_cast<PeakMeter> (*i)) {
- /* don't ::run() the meter, otherwise it will have its previous peak corrupted */
- continue;
- }
+ /* TODO check for split cycles here.
+ *
+ * start_frame, end_frame is adjusted by latency and may
+ * cross loop points.
+ */
#ifndef NDEBUG
/* if it has any inputs, make sure they match */
}
#endif
- /* should we NOT run plugins here if the route is inactive?
- do we catch route != active somewhere higher?
- */
-
- if (boost::dynamic_pointer_cast<Send>(*i) != 0) {
- boost::dynamic_pointer_cast<Send>(*i)->set_delay_in(_signal_latency - latency);
- }
if (boost::dynamic_pointer_cast<PluginInsert>(*i) != 0) {
- const framecnt_t longest_session_latency = _initial_delay + _signal_latency;
+ /* set potential sidechain ports, capture and playback latency.
+ * This effectively sets jack port latency which should include
+ * up/downstream latencies.
+ *
+ * However, the value is not used by Ardour (2017-09-20) and calling
+ * IO::latency() is expensive, so we punt.
+ *
+ * capture should be
+ * input()->latenct + latency,
+ * playback should be
+ * output->latency() + _signal_latency - latency
+ *
+ * Also see note below, _signal_latency may be smaller than latency
+ * if a plugin's latency increases while it's running.
+ */
+ const samplecnt_t playback_latency = std::max ((samplecnt_t)0, _signal_latency - latency);
boost::dynamic_pointer_cast<PluginInsert>(*i)->set_sidechain_latency (
- _initial_delay + latency, longest_session_latency - latency);
+ /* input->latency() + */ latency, /* output->latency() + */ playback_latency);
+ }
+
+ bool re_inject_oob_data = false;
+ if ((*i) == _disk_reader) {
+ /* Well now, we've made it past the disk-writer and to the disk-reader.
+ * Time to decide what to do about monitoring.
+ *
+ * Even when not doing MonitoringDisk, we need to run the processors,
+ * so that it advances its internal buffers (IFF run_disk_reader is true).
+ *
+ */
+ if (ms == MonitoringDisk || ms == MonitoringSilence) {
+ /* this will clear out-of-band data, too (e.g. MIDI-PC, Panic etc.
+ * OOB data is written at the end of the cycle (nframes - 1),
+ * and jack does not re-order events, so we push them back later */
+ re_inject_oob_data = true;
+ bufs.silence (nframes, 0);
+ }
}
- //cerr << name() << " run " << (*i)->name() << endl;
- (*i)->run (bufs, start_frame - latency, end_frame - latency, speed, nframes, *i != _processors.back());
+ double pspeed = speed;
+ if ((!run_disk_reader && (*i) == _disk_reader) || (!run_disk_writer && (*i) == _disk_writer)) {
+ /* run with speed 0, no-roll */
+ pspeed = 0;
+ }
+
+ (*i)->run (bufs, start_sample - latency, end_sample - latency, pspeed, nframes, *i != _processors.back());
+
bufs.set_count ((*i)->output_streams());
+ /* Note: plugin latency may change. While the plugin does inform the session via
+ * processor_latency_changed(). But the session may not yet have gotten around to
+ * update the actual worste-case and update this track's _signal_latency.
+ *
+ * So there can be cases where adding up all latencies may not equal _signal_latency.
+ */
if ((*i)->active ()) {
latency += (*i)->signal_latency ();
}
+
+ if (re_inject_oob_data) {
+ write_out_of_band_data (bufs, nframes);
+ }
+
+#if 0
+ if ((*i) == _delayline) {
+ latency += _delayline->get_delay ();
+ }
+#endif
}
}
void
-Route::bounce_process (BufferSet& buffers, framepos_t start, framecnt_t nframes,
+Route::bounce_process (BufferSet& buffers, samplepos_t start, samplecnt_t nframes,
boost::shared_ptr<Processor> endpoint,
bool include_endpoint, bool for_export, bool for_freeze)
{
return;
}
- framecnt_t latency = bounce_get_latency(_amp, false, for_export, for_freeze);
+ samplecnt_t latency = bounce_get_latency(_amp, false, for_export, for_freeze);
_amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
_amp->setup_gain_automation (start - latency, start - latency + nframes, nframes);
}
}
-framecnt_t
+samplecnt_t
Route::bounce_get_latency (boost::shared_ptr<Processor> endpoint,
bool include_endpoint, bool for_export, bool for_freeze) const
{
- framecnt_t latency = 0;
+ samplecnt_t latency = 0;
if (!endpoint && !include_endpoint) {
return latency;
}
}
void
-Route::monitor_run (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
+Route::monitor_run (samplepos_t start_sample, samplepos_t end_sample, pframes_t nframes, int declick)
{
assert (is_monitor());
- BufferSet& bufs (_session.get_route_buffers (n_process_buffers()));
- fill_buffers_with_input (bufs, _input, nframes);
- passthru (bufs, start_frame, end_frame, nframes, declick);
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
+ run_route (start_sample, end_sample, nframes, declick, true, false);
}
void
-Route::passthru (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
+Route::run_route (samplepos_t start_sample, samplepos_t end_sample, pframes_t nframes, int declick, bool gain_automation_ok, bool run_disk_reader)
{
- _silent = false;
+ BufferSet& bufs (_session.get_route_buffers (n_process_buffers()));
+
+ fill_buffers_with_input (bufs, _input, nframes);
+
+ /* filter captured data before meter sees it */
+ filter_input (bufs);
if (is_monitor() && _session.listening() && !_session.is_auditioning()) {
bufs.silence (nframes, 0);
}
- write_out_of_band_data (bufs, start_frame, end_frame, nframes);
- process_output_buffers (bufs, start_frame, end_frame, nframes, declick, true);
-}
+ snapshot_out_of_band_data (nframes);
+ /* append immediate messages to the first MIDI buffer (thus sending it to the first output port) */
-void
-Route::passthru_silence (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
-{
- BufferSet& bufs (_session.get_route_buffers (n_process_buffers(), true));
+ write_out_of_band_data (bufs, nframes);
+
+ /* run processor chain */
- bufs.set_count (_input->n_ports());
- write_out_of_band_data (bufs, start_frame, end_frame, nframes);
- process_output_buffers (bufs, start_frame, end_frame, nframes, declick, false);
+ process_output_buffers (bufs, start_sample, end_sample, nframes, declick, gain_automation_ok, run_disk_reader);
+
+ /* map events (e.g. MIDI-CC) back to control-parameters */
+ update_controls (bufs);
+
+ flush_processor_buffers_locked (nframes);
}
void
seen_amp = true;
}
- if ((*i) == _amp || (*i) == _meter || (*i) == _main_outs || (*i) == _delayline || (*i) == _trim) {
+ if (is_internal_processor (*i)) {
/* you can't remove these */
}
}
+bool
+Route::is_internal_processor (boost::shared_ptr<Processor> p) const
+{
+ if (p == _amp || p == _meter || p == _main_outs || p == _delayline || p == _trim) {
+ return true;
+ }
+ return false;
+}
+
int
Route::remove_processor (boost::shared_ptr<Processor> processor, ProcessorStreams* err, bool need_process_lock)
{
/* these can never be removed */
- if (processor == _amp || processor == _meter || processor == _main_outs || processor == _delayline || processor == _trim) {
+ if (is_internal_processor (processor)) {
return 0;
}
Route::replace_processor (boost::shared_ptr<Processor> old, boost::shared_ptr<Processor> sub, ProcessorStreams* err)
{
/* these can never be removed */
- if (old == _amp || old == _meter || old == _main_outs || old == _delayline || old == _trim) {
+ if (is_internal_processor (old)) {
return 1;
}
/* and can't be used as substitute, either */
- if (sub == _amp || sub == _meter || sub == _main_outs || sub == _delayline || sub == _trim) {
+ if (is_internal_processor (sub)) {
return 1;
}
/* these can never be removed */
- if (processor == _amp || processor == _meter || processor == _main_outs || processor == _delayline || processor == _trim) {
+ if (is_internal_processor (processor)) {
++i;
continue;
}
// TODO check for a potential ReaderLock after ReaderLock ??
Glib::Threads::RWLock::ReaderLock lr (_processor_lock);
- framecnt_t chain_latency = _input->latency ();
-
list< pair<ChanCount,ChanCount> >::iterator c = configuration.begin();
for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++c) {
return -1;
}
- (*p)->set_input_latency (chain_latency);
- chain_latency += (*p)->signal_latency ();
-
processor_max_streams = ChanCount::max(processor_max_streams, c->first);
processor_max_streams = ChanCount::max(processor_max_streams, c->second);
g_atomic_int_set (&_pending_process_reorder, 1);
}
+ /* update processor input/output latency
+ * (total signal_latency does not change)
+ */
+ update_signal_latency (true);
+
return 0;
}
XMLNode&
Route::get_state()
{
- return state(true);
+ return state (false);
}
XMLNode&
Route::get_template()
{
- return state(false);
+ return state (true);
}
XMLNode&
-Route::state(bool full_state)
+Route::state (bool save_template)
{
if (!_session._template_state_dir.empty()) {
foreach_processor (sigc::bind (sigc::mem_fun (*this, &Route::set_plugin_state_dir), _session._template_state_dir));
node->add_child_nocopy (_solo_isolate_control->get_state ());
node->add_child_nocopy (_solo_safe_control->get_state ());
- node->add_child_nocopy (_input->state (full_state));
- node->add_child_nocopy (_output->state (full_state));
+ node->add_child_nocopy (_input->get_state ());
+ node->add_child_nocopy (_output->get_state ());
node->add_child_nocopy (_mute_master->get_state ());
node->add_child_nocopy (_mute_control->get_state ());
node->add_child_nocopy (_phase_control->get_state ());
- if (full_state) {
+ if (!skip_saving_automation) {
node->add_child_nocopy (Automatable::get_automation_xml_state ());
}
}
if (_pannable) {
- node->add_child_nocopy (_pannable->state (full_state));
+ node->add_child_nocopy (_pannable->get_state ());
}
{
Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
for (i = _processors.begin(); i != _processors.end(); ++i) {
- if (!full_state) {
+ if (*i == _delayline) {
+ continue;
+ }
+ if (save_template) {
/* template save: do not include internal sends functioning as
aux sends because the chance of the target ID
in the session where this template is used
}
}
}
- node->add_child_nocopy((*i)->state (full_state));
+ node->add_child_nocopy((*i)->get_state ());
}
}
}
}
+ if (_delayline) {
+ _delayline->set_name (name ());
+ }
+
return 0;
}
{
XMLNode* root = new XMLNode (X_("redirects"));
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
- root->add_child_nocopy ((*i)->state (true));
+ root->add_child_nocopy ((*i)->get_state ());
}
return *root;
_meter->set_state (**niter, Stateful::current_state_version);
new_order.push_back (_meter);
} else if (prop->value() == "delay") {
- if (_delayline) {
- _delayline->set_state (**niter, Stateful::current_state_version);
- new_order.push_back (_delayline);
- }
+ // skip -- internal
} else if (prop->value() == "main-outs") {
_main_outs->set_state (**niter, Stateful::current_state_version);
} else if (prop->value() == "intreturn") {
}
void
-Route::silence (framecnt_t nframes)
+Route::silence (samplecnt_t nframes)
{
Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
if (!lm.locked()) {
}
void
-Route::silence_unlocked (framecnt_t nframes)
+Route::silence_unlocked (samplecnt_t nframes)
{
/* Must be called with the processor lock held */
- const framepos_t now = _session.transport_frame ();
-
- if (!_silent) {
-
- _output->silence (nframes);
+ const samplepos_t now = _session.transport_sample ();
- // update owned automated controllables
- automation_run (now, nframes);
+ _output->silence (nframes);
- for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
- boost::shared_ptr<PluginInsert> pi;
+ // update owned automated controllables
+ automation_run (now, nframes);
- if (!_active && (pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
- /* evaluate automated automation controls */
- pi->automation_run (now, nframes);
- /* skip plugins, they don't need anything when we're not active */
- continue;
- }
+ for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ boost::shared_ptr<PluginInsert> pi;
- (*i)->silence (nframes, now);
+ if (!_active && (pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
+ /* evaluate automated automation controls */
+ pi->automation_run (now, nframes);
+ /* skip plugins, they don't need anything when we're not active */
+ continue;
}
- if (nframes == _session.get_block_size()) {
- // _silent = true;
- }
+ (*i)->silence (nframes, now);
}
}
/** Called from the (non-realtime) butler thread when the transport is stopped */
void
-Route::non_realtime_transport_stop (framepos_t now, bool flush)
+Route::non_realtime_transport_stop (samplepos_t now, bool flush)
{
- {
- Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
-
- Automatable::non_realtime_transport_stop (now, flush);
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
- for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ Automatable::non_realtime_transport_stop (now, flush);
- if (!_have_internal_generator && (Config->get_plugins_stop_with_transport() && flush)) {
- (*i)->flush ();
- }
+ for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
- (*i)->non_realtime_transport_stop (now, flush);
+ if (!_have_internal_generator && (Config->get_plugins_stop_with_transport() && flush)) {
+ (*i)->flush ();
}
- }
- _roll_delay = _initial_delay;
+ (*i)->non_realtime_transport_stop (now, flush);
+ }
}
void
}
void
-Route::flush_processor_buffers_locked (framecnt_t nframes)
+Route::flush_processor_buffers_locked (samplecnt_t nframes)
{
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
}
}
+void
+Route::flush_processors ()
+{
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
+
+ for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ (*i)->flush ();
+ }
+}
+
+samplecnt_t
+Route::playback_latency (bool incl_downstream) const
+{
+ samplecnt_t rv;
+ if (_disk_reader) {
+ rv = _disk_reader->output_latency ();
+ } else {
+ rv = _signal_latency;
+ }
+ if (incl_downstream) {
+ rv += _output->connected_latency (true);
+ } else {
+ rv += _output->latency ();
+ }
+ return rv;
+}
+
+pframes_t
+Route::latency_preroll (pframes_t nframes, samplepos_t& start_sample, samplepos_t& end_sample)
+{
+ samplecnt_t latency_preroll = _session.remaining_latency_preroll ();
+ if (latency_preroll == 0) {
+ return nframes;
+ }
+ if (!_disk_reader) {
+ start_sample -= latency_preroll;
+ end_sample -= latency_preroll;
+ return nframes;
+ }
+
+ if (latency_preroll > playback_latency ()) {
+ no_roll_unlocked (nframes, start_sample - latency_preroll, end_sample - latency_preroll, false);
+ return 0;
+ }
+
+ start_sample -= latency_preroll;
+ end_sample -= latency_preroll;
+ return nframes;
+}
+
int
-Route::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool session_state_changing)
+Route::roll (pframes_t nframes, samplepos_t start_sample, samplepos_t end_sample, int declick, bool& need_butler)
{
Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
if (!_active) {
silence_unlocked (nframes);
+ _meter->reset();
return 0;
}
- if (session_state_changing) {
- if (_session.transport_speed() != 0.0f) {
- /* we're rolling but some state is changing (e.g. our diskstream contents)
- so we cannot use them. Be silent till this is over.
-
- XXX note the absurdity of ::no_roll() being called when we ARE rolling!
- */
- silence_unlocked (nframes);
- return 0;
- }
- /* we're really not rolling, so we're either delivery silence or actually
- monitoring, both of which are safe to do while session_state_changing is true.
- */
+ if ((nframes = latency_preroll (nframes, start_sample, end_sample)) == 0) {
+ return 0;
}
- BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
-
- fill_buffers_with_input (bufs, _input, nframes);
+ run_route (start_sample, end_sample, nframes, declick, (!_disk_writer || !_disk_writer->record_enabled()) && _session.transport_rolling(), true);
- if (_meter_point == MeterInput) {
- _meter->run (bufs, start_frame, end_frame, 0.0, nframes, true);
+ if ((_disk_reader && _disk_reader->need_butler()) || (_disk_writer && _disk_writer->need_butler())) {
+ need_butler = true;
}
-
- _amp->apply_gain_automation (false);
- _trim->apply_gain_automation (false);
- passthru (bufs, start_frame, end_frame, nframes, 0);
-
- flush_processor_buffers_locked (nframes);
-
return 0;
}
int
-Route::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& /* need_butler */)
+Route::no_roll (pframes_t nframes, samplepos_t start_sample, samplepos_t end_sample, bool session_state_changing)
{
Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
+
if (!lm.locked()) {
return 0;
}
- if (!_active) {
- silence_unlocked (nframes);
- return 0;
- }
+ return no_roll_unlocked (nframes, start_sample, end_sample, session_state_changing);
+}
- framepos_t unused = 0;
+int
+Route::no_roll_unlocked (pframes_t nframes, samplepos_t start_sample, samplepos_t end_sample, bool session_state_changing)
+{
+ /* Must be called with the processor lock held */
- if ((nframes = check_initial_delay (nframes, unused)) == 0) {
+ if (!_active) {
+ silence_unlocked (nframes);
+ _meter->reset();
return 0;
}
- _silent = false;
-
- BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
-
- fill_buffers_with_input (bufs, _input, nframes);
+ if (session_state_changing) {
+ if (_session.transport_speed() != 0.0f) {
+ /* we're rolling but some state is changing (e.g. our diskstream contents)
+ so we cannot use them. Be silent till this is over.
- if (_meter_point == MeterInput) {
- _meter->run (bufs, start_frame, end_frame, 1.0, nframes, true);
+ XXX note the absurdity of ::no_roll() being called when we ARE rolling!
+ */
+ silence_unlocked (nframes);
+ _meter->reset();
+ return 0;
+ }
+ /* we're really not rolling, so we're either delivery silence or actually
+ monitoring, both of which are safe to do while session_state_changing is true.
+ */
}
- passthru (bufs, start_frame, end_frame, nframes, declick);
-
- flush_processor_buffers_locked (nframes);
-
+ run_route (start_sample, end_sample, nframes, 0, false, false);
return 0;
}
int
-Route::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/, bool& /* need_butler */)
+Route::silent_roll (pframes_t nframes, samplepos_t /*start_sample*/, samplepos_t /*end_sample*/, bool& /* need_butler */)
{
silence (nframes);
flush_processor_buffers_locked (nframes);
return 0;
}
-void
-Route::flush_processors ()
-{
- Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
-
- for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
- (*i)->flush ();
- }
-}
-
#ifdef __clang__
__attribute__((annotate("realtime")))
#endif
}
if (changed) {
set_processor_positions ();
+ /* update processor input/output latency
+ * (total signal_latency does not change)
+ */
+ update_signal_latency (true);
}
if (emissions != 0) {
g_atomic_int_set (&_pending_signals, emissions);
Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
Glib::Threads::RWLock::WriterLock lw (_processor_lock);
- // this aligns all tracks; but not tracks + busses
- assert (_session.worst_track_latency () >= _initial_delay);
- _capturing_processor.reset (new CapturingProcessor (_session, _session.worst_track_latency () - _initial_delay));
- _capturing_processor->activate ();
-
+ /* Align all tracks for stem-export w/o processing.
+ * Compensate for all plugins between the this route's disk-reader
+ * and the common final downstream output (ie alignment point for playback).
+ */
+ _capturing_processor.reset (new CapturingProcessor (_session, playback_latency (true)));
configure_processors_unlocked (0, &lw);
-
+ _capturing_processor->activate ();
}
return _capturing_processor;
}
-framecnt_t
-Route::update_signal_latency ()
+samplecnt_t
+Route::update_signal_latency (bool apply_to_delayline)
{
- framecnt_t l = _output->user_latency();
- framecnt_t lamp = 0;
- bool before_amp = true;
- framecnt_t ltrim = 0;
- bool before_trim = true;
+ // TODO: bail out if !active() and set/assume _signal_latency = 0,
+ // here or in Session::* ? -> also zero send latencies,
+ // and make sure that re-enabling a route updates things again...
- for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
- if ((*i)->active ()) {
- l += (*i)->signal_latency ();
- }
- if ((*i) == _amp) {
- before_amp = false;
- }
- if ((*i) == _trim) {
- before_amp = false;
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
+
+ samplecnt_t l_in = 0;
+ samplecnt_t l_out = _output->user_latency();
+ for (ProcessorList::reverse_iterator i = _processors.rbegin(); i != _processors.rend(); ++i) {
+ if (boost::shared_ptr<Send> snd = boost::dynamic_pointer_cast<Send> (*i)) {
+ snd->set_delay_in (l_out + _output->latency());
}
- if (before_amp) {
- lamp = l;
+ (*i)->set_output_latency (l_out);
+ if ((*i)->active ()) {
+ l_out += (*i)->signal_latency ();
}
- if (before_trim) {
- lamp = l;
+ }
+
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: internal signal latency = %2\n", _name, l_out));
+
+ _signal_latency = l_out;
+
+ for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ (*i)->set_input_latency (l_in);
+ (*i)->set_playback_offset (_signal_latency + _output->latency ());
+ (*i)->set_capture_offset (_input->latency ());
+ if ((*i)->active ()) {
+ l_in += (*i)->signal_latency ();
}
}
- DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: internal signal latency = %2\n", _name, l));
+ lm.release ();
- // TODO: (lamp - _signal_latency) to sync to output (read-ahed), currently _roll_delay shifts this around
- _signal_latency_at_amp_position = lamp;
- _signal_latency_at_trim_position = ltrim;
+ if (apply_to_delayline) {
+ /* see also Session::post_playback_latency() */
+ apply_latency_compensation ();
+ }
- if (_signal_latency != l) {
- _signal_latency = l;
+ if (_signal_latency != l_out) {
signal_latency_changed (); /* EMIT SIGNAL */
}
}
void
-Route::set_user_latency (framecnt_t nframes)
+Route::set_user_latency (samplecnt_t nframes)
{
_output->set_user_latency (nframes);
_session.update_latency_compensation ();
}
void
-Route::set_latency_compensation (framecnt_t longest_session_latency)
+Route::apply_latency_compensation ()
{
- framecnt_t old = _initial_delay;
+ if (_delayline) {
+ samplecnt_t old = _delayline->get_delay ();
- if (_signal_latency < longest_session_latency) {
- _initial_delay = longest_session_latency - _signal_latency;
- } else {
- _initial_delay = 0;
- }
+ samplecnt_t play_lat_in = _input->connected_latency (true);
+ samplecnt_t play_lat_out = _output->connected_latency (true);
+ samplecnt_t latcomp = play_lat_in - play_lat_out - _signal_latency;
- DEBUG_TRACE (DEBUG::Latency, string_compose (
- "%1: compensate for maximum latency of %2,"
- "given own latency of %3, using initial delay of %4\n",
- name(), longest_session_latency, _signal_latency, _initial_delay));
+#if 0 // DEBUG
+ samplecnt_t capt_lat_in = _input->connected_latency (false);
+ samplecnt_t capt_lat_out = _output->connected_latency (false);
+ samplecnt_t latcomp_capt = capt_lat_out - capt_lat_in - _signal_latency;
- if (_initial_delay != old) {
- initial_delay_changed (); /* EMIT SIGNAL */
- }
+ cout << "ROUTE " << name() << " delay for " << latcomp << " (c: " << latcomp_capt << ")" << endl;
+#endif
+
+ _delayline->set_delay (latcomp > 0 ? latcomp : 0);
- if (_session.transport_stopped()) {
- _roll_delay = _initial_delay;
+ if (old != _delayline->get_delay ()) {
+ signal_latency_updated (); /* EMIT SIGNAL */
+ }
}
}
* Adds undo commands for any shifts that are performed.
*
* @param pos Position to start shifting from.
- * @param frames Amount to shift forwards by.
+ * @param samples Amount to shift forwards by.
*/
void
-Route::shift (framepos_t pos, framecnt_t frames)
+Route::shift (samplepos_t pos, samplecnt_t samples)
{
/* gain automation */
{
boost::shared_ptr<AutomationControl> gc = _amp->gain_control();
XMLNode &before = gc->alist()->get_state ();
- gc->alist()->shift (pos, frames);
+ gc->alist()->shift (pos, samples);
XMLNode &after = gc->alist()->get_state ();
_session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
}
boost::shared_ptr<AutomationControl> gc = _trim->gain_control();
XMLNode &before = gc->alist()->get_state ();
- gc->alist()->shift (pos, frames);
+ gc->alist()->shift (pos, samples);
XMLNode &after = gc->alist()->get_state ();
_session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
}
if (pc) {
boost::shared_ptr<AutomationList> al = pc->alist();
XMLNode& before = al->get_state ();
- al->shift (pos, frames);
+ al->shift (pos, samples);
XMLNode& after = al->get_state ();
_session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
}
if (ac) {
boost::shared_ptr<AutomationList> al = ac->alist();
XMLNode &before = al->get_state ();
- al->shift (pos, frames);
+ al->shift (pos, samples);
XMLNode &after = al->get_state ();
_session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
}
}
-framecnt_t
-Route::update_port_latencies (PortSet& from, PortSet& to, bool playback, framecnt_t our_latency) const
+samplecnt_t
+Route::update_port_latencies (PortSet& from, PortSet& to, bool playback, samplecnt_t our_latency) const
{
/* we assume that all our input ports feed all our output ports. its not
universally true, but the alternative is way too corner-case to worry about.
return all_connections.max;
}
-framecnt_t
+samplecnt_t
Route::set_private_port_latencies (bool playback) const
{
- framecnt_t own_latency = 0;
+ samplecnt_t own_latency = 0;
/* Processor list not protected by lock: MUST BE CALLED FROM PROCESS THREAD
OR LATENCY CALLBACK.
}
void
-Route::set_public_port_latencies (framecnt_t value, bool playback) const
+Route::set_public_port_latencies (samplecnt_t value, bool playback) const
{
/* this is called to set the JACK-visible port latencies, which take
latency compensation into account.
ProcessorList::iterator after_amp = amp;
++after_amp;
- /* METER */
+ /* Pre-fader METER */
- if (_meter) {
- switch (_meter_point) {
- case MeterInput:
- assert (!_meter->display_to_user ());
- new_processors.push_front (_meter);
- break;
- case MeterPreFader:
- assert (!_meter->display_to_user ());
- new_processors.insert (amp, _meter);
- break;
- case MeterPostFader:
- /* do nothing here */
- break;
- case MeterOutput:
- /* do nothing here */
- break;
- case MeterCustom:
- /* the meter is visible, so we don't touch it here */
- break;
- }
+ if (_meter && _meter_point == MeterPreFader) {
+ /* add meter just before the fader */
+ assert (!_meter->display_to_user ());
+ new_processors.insert (amp, _meter);
}
/* MAIN OUTS */
}
}
-#if 0 // not used - just yet
- if (!is_master() && !is_monitor() && !is_auditioner()) {
- new_processors.push_front (_delayline);
- }
-#endif
-
/* MONITOR CONTROL */
if (_monitor_control && is_monitor ()) {
ProcessorList::iterator trim = new_processors.end();
- if (_trim && _trim->active()) {
+ if (_trim->active()) {
assert (!_trim->display_to_user ());
new_processors.push_front (_trim);
trim = new_processors.begin();
new_processors.push_front (_intreturn);
}
- /* EXPORT PROCESSOR */
-
- if (_capturing_processor) {
- assert (!_capturing_processor->display_to_user ());
- new_processors.push_front (_capturing_processor);
- }
-
/* DISK READER & WRITER (for Track objects) */
if (_disk_reader || _disk_writer) {
switch (_disk_io_point) {
case DiskIOPreFader:
if (trim != new_processors.end()) {
- /* insert AFTER TRIM */
- ProcessorList::iterator insert_pos = trim;
- ++insert_pos;
+ /* insert BEFORE TRIM */
if (_disk_writer) {
- new_processors.insert (insert_pos, _disk_writer);
+ new_processors.insert (trim, _disk_writer);
}
if (_disk_reader) {
- new_processors.insert (insert_pos, _disk_reader);
+ new_processors.insert (trim, _disk_reader);
}
} else {
if (_disk_writer) {
}
}
+ /* ensure dist-writer is before disk-reader */
+ if (_disk_reader && _disk_writer) {
+ ProcessorList::iterator reader_pos = find (new_processors.begin(), new_processors.end(), _disk_reader);
+ ProcessorList::iterator writer_pos = find (new_processors.begin(), new_processors.end(), _disk_writer);
+ assert (reader_pos != new_processors.end ());
+ assert (writer_pos != new_processors.end ());
+ if (std::distance (new_processors.begin(), reader_pos) < std::distance (new_processors.begin(), writer_pos)) {
+ new_processors.erase (reader_pos);
+ assert (writer_pos == find (new_processors.begin(), new_processors.end(), _disk_writer));
+ new_processors.insert (++writer_pos, _disk_reader);
+ }
+ }
+
+
+ /* EXPORT PROCESSOR */
+ if (_capturing_processor) {
+ assert (!_capturing_processor->display_to_user ());
+ ProcessorList::iterator reader_pos = find (new_processors.begin(), new_processors.end(), _disk_reader);
+ if (reader_pos != new_processors.end()) {
+ /* insert after disk-reader */
+ new_processors.insert (++reader_pos, _capturing_processor);
+ } else {
+ new_processors.push_front (_capturing_processor);
+ }
+ }
+
+ /* Input meter */
+ if (_meter && _meter_point == MeterInput) {
+ /* add meter just before the disk-writer (if any)
+ * otherwise at the top, but after the latency delayline
+ * (perhaps it should also be after intreturn on busses ??)
+ */
+ assert (!_meter->display_to_user ());
+ ProcessorList::iterator writer_pos = find (new_processors.begin(), new_processors.end(), _disk_writer);
+ if (writer_pos != new_processors.end()) {
+ new_processors.insert (writer_pos, _meter);
+ } else {
+ new_processors.push_front (_meter);
+ }
+ }
+
+ if (!is_master() && !is_monitor() && !is_auditioner()) {
+ ProcessorList::iterator reader_pos = find (new_processors.begin(), new_processors.end(), _disk_reader);
+ if (reader_pos != new_processors.end()) {
+ /* insert before disk-reader */
+ new_processors.insert (reader_pos, _delayline);
+ } else {
+ new_processors.push_front (_delayline);
+ }
+ }
+
_processors = new_processors;
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
return boost::shared_ptr<Processor> ();
}
-/** @return the monitoring state, or in other words what data we are pushing
- * into the route (data from the inputs, data from disk or silence)
- */
-MonitorState
-Route::monitoring_state () const
-{
- return MonitoringInput;
-}
-
/** @return what we should be metering; either the data coming from the input
* IO or the data that is flowing through the route.
*/
void
-Route::non_realtime_locate (framepos_t pos)
+Route::non_realtime_locate (samplepos_t pos)
{
Automatable::non_realtime_locate (pos);
_pannable->non_realtime_locate (pos);
}
- if (_delayline.get()) {
- _delayline.get()->flush();
+#if 0 // XXX mayhaps clear delayline here (and at stop?)
+ if (_delayline) {
+ _delayline->flush ();
}
+#endif
{
//Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
(*i)->non_realtime_locate (pos);
}
}
- _roll_delay = _initial_delay;
}
void
#endif
}
+boost::shared_ptr<AutomationControl>
+Route::tape_drive_controllable () const
+{
+#ifdef MIXBUS
+
+ if ( _ch_pre && (is_master() || mixbus()) ) {
+ return boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (_ch_pre->control (Evoral::Parameter (ARDOUR::PluginAutomation, 0, 4)));
+ }
+#endif
+
+ return boost::shared_ptr<AutomationControl>();
+}
+
string
Route::eq_band_name (uint32_t band) const
{
#endif
}
+boost::shared_ptr<AutomationControl>
+Route::send_pan_azi_controllable (uint32_t n) const
+{
+#ifdef MIXBUS
+# undef MIXBUS_PORTS_H
+# include "../../gtk2_ardour/mixbus_ports.h"
+ boost::shared_ptr<ARDOUR::PluginInsert> plug = ch_post();
+ if (plug && !mixbus()) {
+ uint32_t port_id = 0;
+ switch (n) {
+# ifdef MIXBUS32C
+ case 0: port_id = port_channel_post_aux0_pan; break; //32c mb "pan" controls use zero-based names, unlike levels. ugh
+ case 1: port_id = port_channel_post_aux1_pan; break;
+ case 2: port_id = port_channel_post_aux2_pan; break;
+ case 3: port_id = port_channel_post_aux3_pan; break;
+ case 4: port_id = port_channel_post_aux4_pan; break;
+ case 5: port_id = port_channel_post_aux5_pan; break;
+ case 6: port_id = port_channel_post_aux6_pan; break;
+ case 7: port_id = port_channel_post_aux7_pan; break;
+ case 8: port_id = port_channel_post_aux8_pan; break;
+ case 9: port_id = port_channel_post_aux9_pan; break;
+ case 10: port_id = port_channel_post_aux10_pan; break;
+ case 11: port_id = port_channel_post_aux11_pan; break;
+# endif
+ default:
+ break;
+ }
+
+ if (port_id > 0) {
+ return boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (plug->control (Evoral::Parameter (ARDOUR::PluginAutomation, 0, port_id)));
+ }
+ }
+#endif
+
+ return boost::shared_ptr<AutomationControl>();
+}
+
boost::shared_ptr<AutomationControl>
Route::send_level_controllable (uint32_t n) const
{
processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
}
+
+#ifdef USE_TRACKS_CODE_FEATURES
+
+/* This is the Tracks version of Track::monitoring_state().
+ *
+ * Ardour developers: try to flag or fix issues if parts of the libardour API
+ * change in ways that invalidate this
+ */
+
+MonitorState
+Route::monitoring_state () const
+{
+ /* Explicit requests */
+
+ if (_monitoring != MonitorInput) {
+ return MonitoringInput;
+ }
+
+ if (_monitoring & MonitorDisk) {
+ return MonitoringDisk;
+ }
+
+ /* This is an implementation of the truth table in doc/monitor_modes.pdf;
+ I don't think it's ever going to be too pretty too look at.
+ */
+
+ // GZ: NOT USED IN TRACKS
+ //bool const auto_input = _session.config.get_auto_input ();
+ //bool const software_monitor = Config->get_monitoring_model() == SoftwareMonitoring;
+ //bool const tape_machine_mode = Config->get_tape_machine_mode ();
+
+ bool const roll = _session.transport_rolling ();
+ bool const track_rec = _diskstream->record_enabled ();
+ bool session_rec = _session.actively_recording ();
+
+ if (track_rec) {
+
+ if (!session_rec && roll) {
+ return MonitoringDisk;
+ } else {
+ return MonitoringInput;
+ }
+
+ } else {
+
+ if (roll) {
+ return MonitoringDisk;
+ }
+ }
+
+ return MonitoringSilence;
+}
+
+#else
+
+/* This is the Ardour/Mixbus version of Track::monitoring_state().
+ *
+ * Tracks developers: do NOT modify this method under any circumstances.
+ */
+
+MonitorState
+Route::monitoring_state () const
+{
+ if (!_disk_reader) {
+ return MonitoringInput;
+ }
+
+ /* Explicit requests */
+ MonitorChoice m (_monitoring_control->monitoring_choice());
+
+ if (m != MonitorAuto) {
+
+ MonitorState ms ((MonitorState) 0);
+
+ if (m & MonitorInput) {
+ ms = MonitoringInput;
+ }
+
+ if (m & MonitorDisk) {
+ ms = MonitorState (ms | MonitoringDisk);
+ }
+
+ return ms;
+ }
+
+ switch (_session.config.get_session_monitoring ()) {
+ case MonitorDisk:
+ return MonitoringDisk;
+ break;
+ case MonitorInput:
+ return MonitoringInput;
+ break;
+ default:
+ break;
+ }
+
+ /* This is an implementation of the truth table in doc/monitor_modes.pdf;
+ I don't think it's ever going to be too pretty too look at.
+ */
+
+ bool const roll = _session.transport_rolling ();
+ bool const track_rec = _disk_writer->record_enabled ();
+ bool const auto_input = _session.config.get_auto_input ();
+ bool const software_monitor = Config->get_monitoring_model() == SoftwareMonitoring;
+ bool const tape_machine_mode = Config->get_tape_machine_mode ();
+ bool session_rec;
+
+ /* I suspect that just use actively_recording() is good enough all the
+ * time, but just to keep the semantics the same as they were before
+ * sept 26th 2012, we differentiate between the cases where punch is
+ * enabled and those where it is not.
+ *
+ * rg: sept 30 2017: Above is not the case: punch-in/out location is
+ * global session playhead position.
+ * When this method is called from process_output_buffers() we need
+ * to use delay-compensated route's process-position.
+ *
+ * NB. Disk reader/writer may also be offset by a same amount of time.
+ *
+ * Also keep in mind that _session.transport_rolling() is false during
+ * pre-roll but the disk already produces output.
+ *
+ * TODO: FIXME
+ */
+
+ if (_session.config.get_punch_in() || _session.config.get_punch_out()) {
+ session_rec = _session.actively_recording ();
+ } else {
+ session_rec = _session.get_record_enabled();
+ }
+
+ if (track_rec) {
+
+ if (!session_rec && roll && auto_input) {
+ return MonitoringDisk;
+ } else {
+ return software_monitor ? MonitoringInput : MonitoringSilence;
+ }
+
+ } else {
+
+ if (tape_machine_mode) {
+
+ return MonitoringDisk;
+
+ } else {
+
+ if (!roll && auto_input) {
+ return software_monitor ? MonitoringInput : MonitoringSilence;
+ } else {
+ return MonitoringDisk;
+ }
+
+ }
+ }
+
+ abort(); /* NOTREACHED */
+ return MonitoringSilence;
+}
+
+#endif
projects / ardour.git / blobdiff