#include <cassert>
#include <algorithm>
+#include <glibmm.h>
#include <boost/algorithm/string.hpp>
#include "pbd/xml++.h"
, _active (true)
, _signal_latency (0)
, _signal_latency_at_amp_position (0)
+ , _signal_latency_at_trim_position (0)
, _initial_delay (0)
, _roll_delay (0)
+ , _pending_process_reorder (0)
, _flags (flg)
, _pending_declick (true)
, _meter_point (MeterPostFader)
+ , _pending_meter_point (MeterPostFader)
, _meter_type (MeterPeak)
, _self_solo (false)
, _soloed_by_others_upstream (0)
, _in_configure_processors (false)
, _initial_io_setup (false)
, _custom_meter_position_noted (false)
- , _last_custom_meter_was_at_end (false)
{
if (is_master()) {
_meter_type = MeterK20;
*/
_trim->activate();
}
- else if (!dynamic_cast<Track*>(this) && ! (is_master() || is_monitor() || is_auditioner())) {
+ else if (!dynamic_cast<Track*>(this) && ! ( is_monitor() || is_auditioner() )) {
/* regular bus */
_trim->activate();
}
/* now that we have _meter, its safe to connect to this */
- Metering::Meter.connect_same_thread (*this, (boost::bind (&Route::meter, this)));
-
{
Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
configure_processors (0);
return newname;
}
-
void
Route::inc_gain (gain_t fraction, void *src)
{
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.
bufs.silence (nframes, 0);
return;
}
start_frame + _signal_latency_at_amp_position,
end_frame + _signal_latency_at_amp_position,
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,
+ 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
framecnt_t latency = 0;
- for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ 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 */
_amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
_amp->setup_gain_automation (start - latency, start - latency + nframes, nframes);
+ /* trim is always at the top, for bounce no latency compensation is needed */
+ _trim->set_gain_automation_buffer (_session.trim_automation_buffer ());
+ _trim->setup_gain_automation (start, start + nframes, nframes);
+
latency = 0;
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
seen_amp = true;
}
- if ((*i) == _amp || (*i) == _meter || (*i) == _main_outs || (*i) == _delayline) {
+ if ((*i) == _amp || (*i) == _meter || (*i) == _main_outs || (*i) == _delayline || (*i) == _trim) {
/* you can't remove these */
/* these can never be removed */
- if (processor == _amp || processor == _meter || processor == _main_outs || processor == _delayline) {
+ if (processor == _amp || processor == _meter || processor == _main_outs || processor == _delayline || processor == _trim) {
return 0;
}
if (_meter) {
- _meter->reset_max_channels (processor_max_streams);
+ _meter->set_max_channels (processor_max_streams);
}
/* make sure we have sufficient scratch buffers to cope with the new processor
_session.set_dirty ();
}
-int
-Route::reorder_processors (const ProcessorList& new_order, ProcessorStreams* err)
+bool
+Route::processors_reorder_needs_configure (const ProcessorList& new_order)
+{
+ /* check if re-order requires re-configuration of any processors
+ * -> compare channel configuration for all processors
+ */
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
+ ChanCount c = input_streams ();
+
+ for (ProcessorList::const_iterator j = new_order.begin(); j != new_order.end(); ++j) {
+ bool found = false;
+ if (c != (*j)->input_streams()) {
+ return true;
+ }
+ for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ if (*i == *j) {
+ found = true;
+ if ((*i)->input_streams() != c) {
+ return true;
+ }
+ c = (*i)->output_streams();
+ break;
+ }
+ }
+ if (!found) {
+ return true;
+ }
+ }
+ return false;
+}
+
+#ifdef __clang__
+__attribute__((annotate("realtime")))
+#endif
+void
+Route::apply_processor_order (const ProcessorList& new_order)
{
+ /* need to hold processor_lock; either read or write lock
+ * and the engine process_lock.
+ * Due to r/w lock ambiguity we can only assert the latter
+ */
+ assert (!AudioEngine::instance()->process_lock().trylock());
+
+
/* "new_order" is an ordered list of processors to be positioned according to "placement".
- NOTE: all processors in "new_order" MUST be marked as display_to_user(). There maybe additional
- processors in the current actual processor list that are hidden. Any visible processors
- in the current list but not in "new_order" will be assumed to be deleted.
- */
+ * NOTE: all processors in "new_order" MUST be marked as display_to_user(). There maybe additional
+ * processors in the current actual processor list that are hidden. Any visible processors
+ * in the current list but not in "new_order" will be assumed to be deleted.
+ */
- {
- Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
- Glib::Threads::RWLock::WriterLock lm (_processor_lock);
- ProcessorState pstate (this);
+ /* "as_it_will_be" and "_processors" are lists of shared pointers.
+ * actual memory usage is small, but insert/erase is not actually rt-safe :(
+ * (note though that ::processors_reorder_needs_configure() ensured that
+ * this function will only ever be called from the rt-thread if no processor were removed)
+ *
+ * either way, I can't proove it, but an x-run due to re-order here is less likley
+ * than an x-run-less 'ardour-silent cycle' both of which effectively "click".
+ */
- ProcessorList::iterator oiter;
- ProcessorList::const_iterator niter;
- ProcessorList as_it_will_be;
+ ProcessorList as_it_will_be;
+ ProcessorList::iterator oiter;
+ ProcessorList::const_iterator niter;
- oiter = _processors.begin();
- niter = new_order.begin();
+ oiter = _processors.begin();
+ niter = new_order.begin();
- while (niter != new_order.end()) {
+ while (niter != new_order.end()) {
- /* if the next processor in the old list is invisible (i.e. should not be in the new order)
- then append it to the temp list.
+ /* if the next processor in the old list is invisible (i.e. should not be in the new order)
+ then append it to the temp list.
- Otherwise, see if the next processor in the old list is in the new list. if not,
- its been deleted. If its there, append it to the temp list.
- */
+ Otherwise, see if the next processor in the old list is in the new list. if not,
+ its been deleted. If its there, append it to the temp list.
+ */
- if (oiter == _processors.end()) {
+ if (oiter == _processors.end()) {
- /* no more elements in the old list, so just stick the rest of
- the new order onto the temp list.
- */
+ /* no more elements in the old list, so just stick the rest of
+ the new order onto the temp list.
+ */
- as_it_will_be.insert (as_it_will_be.end(), niter, new_order.end());
- while (niter != new_order.end()) {
- ++niter;
- }
- break;
+ as_it_will_be.insert (as_it_will_be.end(), niter, new_order.end());
+ while (niter != new_order.end()) {
+ ++niter;
+ }
+ break;
- } else {
+ } else {
- if (!(*oiter)->display_to_user()) {
+ if (!(*oiter)->display_to_user()) {
- as_it_will_be.push_back (*oiter);
+ as_it_will_be.push_back (*oiter);
- } else {
+ } else {
- /* visible processor: check that its in the new order */
+ /* visible processor: check that its in the new order */
- if (find (new_order.begin(), new_order.end(), (*oiter)) == new_order.end()) {
- /* deleted: do nothing, shared_ptr<> will clean up */
- } else {
- /* ignore this one, and add the next item from the new order instead */
- as_it_will_be.push_back (*niter);
- ++niter;
- }
+ if (find (new_order.begin(), new_order.end(), (*oiter)) == new_order.end()) {
+ /* deleted: do nothing, shared_ptr<> will clean up */
+ } else {
+ /* ignore this one, and add the next item from the new order instead */
+ as_it_will_be.push_back (*niter);
+ ++niter;
}
-
- /* now remove from old order - its taken care of no matter what */
- oiter = _processors.erase (oiter);
}
+ /* now remove from old order - its taken care of no matter what */
+ oiter = _processors.erase (oiter);
}
- _processors.insert (oiter, as_it_will_be.begin(), as_it_will_be.end());
+ }
+ _processors.insert (oiter, as_it_will_be.begin(), as_it_will_be.end());
- /* If the meter is in a custom position, find it and make a rough note of its position */
- maybe_note_meter_position ();
+ /* If the meter is in a custom position, find it and make a rough note of its position */
+ maybe_note_meter_position ();
+}
+
+int
+Route::reorder_processors (const ProcessorList& new_order, ProcessorStreams* err)
+{
+ // it a change is already queued, wait for it
+ // (unless engine is stopped. apply immediately and proceed
+ while (g_atomic_int_get (&_pending_process_reorder)) {
+ if (!AudioEngine::instance()->running()) {
+ DEBUG_TRACE (DEBUG::Processors, "offline apply queued processor re-order.\n");
+ Glib::Threads::RWLock::WriterLock lm (_processor_lock);
+
+ apply_processor_order(_pending_processor_order);
+ setup_invisible_processors ();
+
+ g_atomic_int_set (&_pending_process_reorder, 0);
+
+ processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
+ set_processor_positions ();
+ } else {
+ // TODO rather use a semaphore or something.
+ // but since ::reorder_processors() is called
+ // from the GUI thread, this is fine..
+ Glib::usleep(500);
+ }
+ }
+
+ if (processors_reorder_needs_configure (new_order) || !AudioEngine::instance()->running()) {
+
+ Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
+ Glib::Threads::RWLock::WriterLock lm (_processor_lock);
+ ProcessorState pstate (this);
+
+ apply_processor_order (new_order);
if (configure_processors_unlocked (err)) {
pstate.restore ();
return -1;
}
- }
- processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
- set_processor_positions ();
+ lm.release();
+ lx.release();
+
+ processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
+ set_processor_positions ();
+
+ } else {
+ DEBUG_TRACE (DEBUG::Processors, "Queue clickless processor re-order.\n");
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
+
+ // _pending_processor_order is protected by _processor_lock
+ _pending_processor_order = new_order;
+ g_atomic_int_set (&_pending_process_reorder, 1);
+ }
return 0;
}
after->id().print (buf, sizeof (buf));
node->add_property (X_("processor-after-last-custom-meter"), buf);
}
-
- node->add_property (X_("last-custom-meter-was-at-end"), _last_custom_meter_was_at_end ? "yes" : "no");
}
return *node;
}
}
- if ((prop = node.property (X_("last-custom-meter-was-at-end"))) != 0) {
- _last_custom_meter_was_at_end = string_is_affirmative (prop->value ());
- }
-
for (niter = nlist.begin(); niter != nlist.end(); ++niter){
child = *niter;
}
reset_instrument_info ();
- processors_changed (RouteProcessorChange ());
+ processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
set_processor_positions ();
}
}
_amp->apply_gain_automation (false);
+ _trim->apply_gain_automation (false);
passthru (bufs, start_frame, end_frame, nframes, 0);
return 0;
}
}
+#ifdef __clang__
+__attribute__((annotate("realtime")))
+#endif
+bool
+Route::apply_processor_changes_rt ()
+{
+ int emissions = EmitNone;
+
+ if (_pending_meter_point != _meter_point) {
+ Glib::Threads::RWLock::WriterLock pwl (_processor_lock, Glib::Threads::TRY_LOCK);
+ if (pwl.locked()) {
+ /* meters always have buffers for 'processor_max_streams'
+ * they can be re-positioned without re-allocation */
+ if (set_meter_point_unlocked()) {
+ emissions |= EmitMeterChanged | EmitMeterVisibilityChange;;
+ } else {
+ emissions |= EmitMeterChanged;
+ }
+ }
+ }
+
+ bool changed = false;
+
+ if (g_atomic_int_get (&_pending_process_reorder)) {
+ Glib::Threads::RWLock::WriterLock pwl (_processor_lock, Glib::Threads::TRY_LOCK);
+ if (pwl.locked()) {
+ apply_processor_order (_pending_processor_order);
+ setup_invisible_processors ();
+ changed = true;
+ g_atomic_int_set (&_pending_process_reorder, 0);
+ emissions |= EmitRtProcessorChange;
+ }
+ }
+ if (changed) {
+ set_processor_positions ();
+ }
+ if (emissions != 0) {
+ g_atomic_int_set (&_pending_signals, emissions);
+ return true;
+ }
+ return false;
+}
+
+void
+Route::emit_pending_signals ()
+{
+
+ int sig = g_atomic_int_and (&_pending_signals, 0);
+ if (sig & EmitMeterChanged) {
+ _meter->emit_configuration_changed();
+ meter_change (); /* EMIT SIGNAL */
+ if (sig & EmitMeterVisibilityChange) {
+ processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, true)); /* EMIT SIGNAL */
+ } else {
+ processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, false)); /* EMIT SIGNAL */
+ }
+ }
+ if (sig & EmitRtProcessorChange) {
+ processors_changed (RouteProcessorChange (RouteProcessorChange::RealTimeChange)); /* EMIT SIGNAL */
+ }
+}
+
void
Route::set_meter_point (MeterPoint p, bool force)
{
- if (_meter_point == p && !force) {
+ if (_pending_meter_point == p && !force) {
return;
}
- bool meter_was_visible_to_user = _meter->display_to_user ();
-
- {
+ if (force || !AudioEngine::instance()->running()) {
Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
Glib::Threads::RWLock::WriterLock lm (_processor_lock);
+ _pending_meter_point = p;
+ _meter->emit_configuration_changed();
+ meter_change (); /* EMIT SIGNAL */
+ if (set_meter_point_unlocked()) {
+ processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, true)); /* EMIT SIGNAL */
+ } else {
+ processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, false)); /* EMIT SIGNAL */
+ }
+ } else {
+ _pending_meter_point = p;
+ }
+}
- maybe_note_meter_position ();
- _meter_point = p;
+#ifdef __clang__
+__attribute__((annotate("realtime")))
+#endif
+bool
+Route::set_meter_point_unlocked ()
+{
+#ifndef NDEBUG
+ /* Caller must hold process and processor write lock */
+ assert (!AudioEngine::instance()->process_lock().trylock());
+ Glib::Threads::RWLock::WriterLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
+ assert (!lm.locked ());
+#endif
- if (_meter_point != MeterCustom) {
+ _meter_point = _pending_meter_point;
- _meter->set_display_to_user (false);
+ bool meter_was_visible_to_user = _meter->display_to_user ();
- setup_invisible_processors ();
+ if (!_custom_meter_position_noted) {
+ maybe_note_meter_position ();
+ }
- } else {
+ if (_meter_point != MeterCustom) {
- _meter->set_display_to_user (true);
+ _meter->set_display_to_user (false);
- /* If we have a previous position for the custom meter, try to put it there */
- if (_custom_meter_position_noted) {
- boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
-
- if (after) {
- ProcessorList::iterator i = find (_processors.begin(), _processors.end(), after);
- if (i != _processors.end ()) {
- _processors.remove (_meter);
- _processors.insert (i, _meter);
- }
- } else if (_last_custom_meter_was_at_end) {
- _processors.remove (_meter);
- _processors.push_back (_meter);
- }
+ setup_invisible_processors ();
+
+ } else {
+ _meter->set_display_to_user (true);
+
+ /* If we have a previous position for the custom meter, try to put it there */
+ boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
+ if (after) {
+ ProcessorList::iterator i = find (_processors.begin(), _processors.end(), after);
+ if (i != _processors.end ()) {
+ _processors.remove (_meter);
+ _processors.insert (i, _meter);
}
+ } else {// at end, right before the mains_out/panner
+ _processors.remove (_meter);
+ ProcessorList::iterator main = _processors.end();
+ _processors.insert (--main, _meter);
}
+ }
- /* Set up the meter for its new position */
+ /* Set up the meter for its new position */
- ProcessorList::iterator loc = find (_processors.begin(), _processors.end(), _meter);
-
- ChanCount m_in;
-
- if (loc == _processors.begin()) {
- m_in = _input->n_ports();
- } else {
- ProcessorList::iterator before = loc;
- --before;
- m_in = (*before)->output_streams ();
- }
-
- _meter->reflect_inputs (m_in);
-
- /* we do not need to reconfigure the processors, because the meter
- (a) is always ready to handle processor_max_streams
- (b) is always an N-in/N-out processor, and thus moving
- it doesn't require any changes to the other processors.
- */
+ ProcessorList::iterator loc = find (_processors.begin(), _processors.end(), _meter);
+
+ ChanCount m_in;
+
+ if (loc == _processors.begin()) {
+ m_in = _input->n_ports();
+ } else {
+ ProcessorList::iterator before = loc;
+ --before;
+ m_in = (*before)->output_streams ();
}
- meter_change (); /* EMIT SIGNAL */
+ _meter->reflect_inputs (m_in);
- bool const meter_visibly_changed = (_meter->display_to_user() != meter_was_visible_to_user);
+ /* we do not need to reconfigure the processors, because the meter
+ (a) is always ready to handle processor_max_streams
+ (b) is always an N-in/N-out processor, and thus moving
+ it doesn't require any changes to the other processors.
+ */
- processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, meter_visibly_changed)); /* EMIT SIGNAL */
+ /* these should really be done after releasing the lock
+ * but all those signals are subscribed to with gui_thread()
+ * so we're safe.
+ */
+ return (_meter->display_to_user() != meter_was_visible_to_user);
}
void
framecnt_t l = _output->user_latency();
framecnt_t lamp = 0;
bool before_amp = true;
+ framecnt_t ltrim = 0;
+ bool before_trim = true;
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
if ((*i)->active ()) {
if ((*i) == _amp) {
before_amp = false;
}
+ if ((*i) == _trim) {
+ before_amp = false;
+ }
if (before_amp) {
lamp = l;
}
+ if (before_trim) {
+ lamp = l;
+ }
}
DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: internal signal latency = %2\n", _name, l));
+ // 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 (_signal_latency != l) {
_signal_latency = l;
signal_latency_changed (); /* EMIT SIGNAL */
_session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
}
+ /* gain automation */
+ {
+ boost::shared_ptr<AutomationControl> gc = _trim->gain_control();
+
+ XMLNode &before = gc->alist()->get_state ();
+ gc->alist()->shift (pos, frames);
+ XMLNode &after = gc->alist()->get_state ();
+ _session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
+ }
+
+ // TODO mute automation ??
+
/* pan automation */
if (_pannable) {
ControlSet::Controls& c (_pannable->controls());
}
}
-void
-Route::meter ()
-{
- Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
-
- assert (_meter);
-
- _meter->meter ();
-
- for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
-
- boost::shared_ptr<Send> s;
- boost::shared_ptr<Return> r;
-
- if ((s = boost::dynamic_pointer_cast<Send> (*i)) != 0) {
- s->meter()->meter();
- } else if ((r = boost::dynamic_pointer_cast<Return> (*i)) != 0) {
- r->meter()->meter ();
- }
- }
-}
-
boost::shared_ptr<Pannable>
Route::pannable() const
{
Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
bool had_amp = false;
- for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
(*i)->set_pre_fader (!had_amp);
if (boost::dynamic_pointer_cast<Amp> (*i)) {
had_amp = true;
/** Put the invisible processors in the right place in _processors.
* Must be called with a writer lock on _processor_lock held.
*/
+#ifdef __clang__
+__attribute__((annotate("realtime")))
+#endif
void
Route::setup_invisible_processors ()
{
return;
}
- /* we'll build this new list here and then use it */
+ /* we'll build this new list here and then use it
+ *
+ * TODO put the ProcessorList is on the stack for RT-safety.
+ */
ProcessorList new_processors;
}
_custom_meter_position_noted = true;
+ /* custom meter points range from after trim to before panner/main_outs
+ * this is a limitation by the current processor UI
+ */
+ bool seen_trim = false;
+ _processor_after_last_custom_meter.reset();
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ if ((*i) == _trim) {
+ seen_trim = true;
+ }
+ if ((*i) == _main_outs) {
+ _processor_after_last_custom_meter = *i;
+ break;
+ }
if (boost::dynamic_pointer_cast<PeakMeter> (*i)) {
- ProcessorList::iterator j = i;
- ++j;
- if (j != _processors.end ()) {
- _processor_after_last_custom_meter = *j;
- _last_custom_meter_was_at_end = false;
+ if (!seen_trim) {
+ _processor_after_last_custom_meter = _trim;
} else {
- _last_custom_meter_was_at_end = true;
+ ProcessorList::iterator j = i;
+ ++j;
+ assert(j != _processors.end ()); // main_outs should be before
+ _processor_after_last_custom_meter = *j;
}
+ break;
}
}
+ assert(_processor_after_last_custom_meter.lock());
}
boost::shared_ptr<Processor>
projects / ardour.git / blobdiff