const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
Session::Session (AudioEngine &eng,
- const string& fullpath,
- const string& snapshot_name,
+ const string& fullpath,
+ const string& snapshot_name,
BusProfile* bus_profile,
- string mix_template)
- : _engine (eng)
+ string mix_template)
+ : _engine (eng)
, _target_transport_speed (0.0)
, _requested_return_frame (-1)
, _session_dir (new SessionDirectory(fullpath))
StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
- _is_new = false;
+ _is_new = false;
}
Session::~Session ()
_butler->drop_references ();
delete _butler;
delete midi_control_ui;
- delete _all_route_group;
+ delete _all_route_group;
if (click_data != default_click) {
delete [] click_data;
#endif
}
-void
-Session::set_worst_io_latencies ()
-{
- _worst_output_latency = 0;
- _worst_input_latency = 0;
-
- if (!_engine.connected()) {
- return;
- }
-
- boost::shared_ptr<RouteList> r = routes.reader ();
-
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
- _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
- }
-}
-
void
Session::when_engine_running ()
{
BootMessage (_("Compute I/O Latencies"));
- set_worst_io_latencies ();
-
if (_clicking) {
// XXX HOW TO ALERT UI TO THIS ? DO WE NEED TO?
}
char buf[32];
snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
- boost::shared_ptr<Bundle> c (new Bundle (buf, true));
+ boost::shared_ptr<Bundle> c (new Bundle (buf, true));
c->add_channel (_("mono"), DataType::AUDIO);
c->set_port (0, outputs[DataType::AUDIO][np]);
char buf[32];
snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
- boost::shared_ptr<Bundle> c (new Bundle (buf, false));
+ boost::shared_ptr<Bundle> c (new Bundle (buf, false));
c->add_channel (_("mono"), DataType::AUDIO);
c->set_port (0, inputs[DataType::AUDIO][np]);
char buf[32];
snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
- boost::shared_ptr<Bundle> c (new Bundle (buf, false));
+ boost::shared_ptr<Bundle> c (new Bundle (buf, false));
c->add_channel (_("L"), DataType::AUDIO);
c->set_port (0, inputs[DataType::AUDIO][np]);
c->add_channel (_("R"), DataType::AUDIO);
string n = inputs[DataType::MIDI][np];
boost::erase_first (n, X_("alsa_pcm:"));
- boost::shared_ptr<Bundle> c (new Bundle (n, false));
+ boost::shared_ptr<Bundle> c (new Bundle (n, false));
c->add_channel ("", DataType::MIDI);
c->set_port (0, inputs[DataType::MIDI][np]);
add_bundle (c);
string n = outputs[DataType::MIDI][np];
boost::erase_first (n, X_("alsa_pcm:"));
- boost::shared_ptr<Bundle> c (new Bundle (n, true));
+ boost::shared_ptr<Bundle> c (new Bundle (n, true));
c->add_channel ("", DataType::MIDI);
c->set_port (0, outputs[DataType::MIDI][np]);
add_bundle (c);
if (_is_new && !no_auto_connect()) {
- Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
+ Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
- /* don't connect the master bus outputs if there is a monitor bus */
+ /* don't connect the master bus outputs if there is a monitor bus */
if (_master_out && Config->get_auto_connect_standard_busses() && !_monitor_out) {
}
} else {
-
+
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
uint32_t mod = n_physical_outputs.get (*t);
uint32_t limit = _monitor_out->n_outputs().get(*t);
}
}
- /* catch up on send+insert cnts */
-
_state_of_the_state = StateOfTheState (_state_of_the_state & ~(CannotSave|Dirty));
/* hook us up to the engine */
BootMessage (_("Connect to engine"));
-
_engine.set_session (this);
- _engine.update_total_latencies ();
+
+ update_latency_compensation (true);
}
void
Delivery::reset_panners ();
- /* Connect tracks to monitor/listen bus if there is one.
- Note that in an existing session, the internal sends will
- already exist, but we want the routes to notice that
- they connect to the control out specifically.
- */
+ /* Connect tracks to monitor/listen bus if there is one. Note that in an
+ existing session, the internal sends will already exist, but we want the
+ routes to notice that they connect to the control out specifically.
+ */
if (_monitor_out) {
boost::shared_ptr<RouteList> r = routes.reader ();
return true;
}
+void
+Session::set_track_monitor_input_status (bool yn)
+{
+ boost::shared_ptr<RouteList> rl = routes.reader ();
+ for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+ boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
+ if (tr && tr->record_enabled ()) {
+ //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
+ tr->monitor_input (yn);
+ }
+ }
+}
+
void
Session::reset_input_monitor_state ()
{
if (transport_rolling()) {
-
- boost::shared_ptr<RouteList> rl = routes.reader ();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && tr->record_enabled ()) {
- //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
- tr->monitor_input (Config->get_monitoring_model() == HardwareMonitoring && !config.get_auto_input());
- }
- }
-
+ set_track_monitor_input_status (Config->get_monitoring_model() == HardwareMonitoring && !config.get_auto_input());
} else {
-
- boost::shared_ptr<RouteList> rl = routes.reader ();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && tr->record_enabled ()) {
- //cerr << "switching to input = " << !Config->get_auto_input() << __FILE__ << __LINE__ << endl << endl;
- tr->monitor_input (Config->get_monitoring_model() == HardwareMonitoring);
- }
- }
+ set_track_monitor_input_status (Config->get_monitoring_model() == HardwareMonitoring);
}
}
MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
-
- boost::shared_ptr<RouteList> rl = routes.reader ();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && tr->record_enabled ()) {
- tr->monitor_input (true);
- }
- }
+ set_track_monitor_input_status (true);
}
RecordStateChanged ();
}
if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
-
- boost::shared_ptr<RouteList> rl = routes.reader ();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && tr->record_enabled ()) {
- tr->monitor_input (false);
- }
- }
+ set_track_monitor_input_status (false);
}
RecordStateChanged (); /* emit signal */
if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
- boost::shared_ptr<RouteList> rl = routes.reader ();
- for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (tr && tr->record_enabled ()) {
- //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl;
- tr->monitor_input (false);
- }
- }
+ set_track_monitor_input_status (false);
}
}
}
in the absence of any plugin latency compensation
*/
- offset = _worst_output_latency;
+ offset = worst_playback_latency ();
if (offset > current_block_size) {
offset -= current_block_size;
static void
trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
{
- boost::shared_ptr<Route> r2;
+ boost::shared_ptr<Route> r2;
if (r1->feeds (rbase) && rbase->feeds (r1)) {
info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
{
RCUWriter<RouteList> writer (routes);
- boost::shared_ptr<RouteList> r = writer.get_copy ();
+ boost::shared_ptr<RouteList> r = writer.get_copy ();
resort_routes_using (r);
/* writer goes out of scope and forces update */
}
return false;
}
-/** Count the total ins and outs of all non-hidden routes in the session and return them in in and out */
+/** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
void
-Session::count_existing_route_channels (ChanCount& in, ChanCount& out)
+Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
{
in = ChanCount::ZERO;
out = ChanCount::ZERO;
- boost::shared_ptr<RouteList> r = routes.reader ();
+
+ boost::shared_ptr<RouteList> r = routes.reader ();
+
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if (!(*i)->is_hidden()) {
- in += (*i)->n_inputs();
- out += (*i)->n_outputs();
+ boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
+ if (tr && !tr->is_hidden()) {
+ cerr << "Using track i/o counts for " << tr->name() << endl;
+ in += tr->n_inputs();
+ out += tr->n_outputs();
}
}
}
{
char track_name[32];
uint32_t track_id = 0;
- ChanCount existing_inputs;
- ChanCount existing_outputs;
string port;
RouteList new_routes;
list<boost::shared_ptr<MidiTrack> > ret;
uint32_t control_id;
- count_existing_route_channels (existing_inputs, existing_outputs);
-
control_id = ntracks() + nbusses();
bool const use_number = (how_many != 1);
goto failed;
}
- boost::shared_ptr<MidiTrack> track;
+ boost::shared_ptr<MidiTrack> track;
try {
track.reset (new MidiTrack (*this, track_name, Route::Flag (0), mode));
}
}
- auto_connect_route (track.get(), existing_inputs, existing_outputs);
-
track->non_realtime_input_change();
if (route_group) {
failed:
if (!new_routes.empty()) {
- add_routes (new_routes, false);
+ add_routes (new_routes, true, false);
save_state (_current_snapshot_name);
}
return ret;
}
-/** Caller must hold process lock.
- * @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
+/** @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
* @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
* @param output_start As \a input_start, but for outputs.
*/
void
-Session::auto_connect_route (
- Route* route, ChanCount& existing_inputs, ChanCount& existing_outputs, bool connect_inputs, ChanCount input_start, ChanCount output_start
- )
+Session::auto_connect_route (Route* route, ChanCount& existing_inputs, ChanCount& existing_outputs,
+ bool with_lock, bool connect_inputs, ChanCount input_start, ChanCount output_start)
{
+ if (!IO::connecting_legal) {
+ cerr << "Auto-connect ignored because connecting it not legal\n";
+ return;
+ }
+
+ Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::NOT_LOCK);
+
+ if (with_lock) {
+ lm.acquire ();
+ }
+
/* If both inputs and outputs are auto-connected to physical ports,
use the max of input and output offsets to ensure auto-connected
port numbers always match up (e.g. the first audio input and the
offset possible.
*/
+ DEBUG_TRACE (DEBUG::Graph,
+ string_compose("Auto-connect: existing in = %1 out = %2\n",
+ existing_inputs, existing_outputs));
+
const bool in_out_physical =
- (Config->get_input_auto_connect() & AutoConnectPhysical)
+ (Config->get_input_auto_connect() & AutoConnectPhysical)
&& (Config->get_output_auto_connect() & AutoConnectPhysical)
&& connect_inputs;
const ChanCount in_offset = in_out_physical
? ChanCount::max(existing_inputs, existing_outputs)
- : existing_inputs;
+ : existing_inputs;
const ChanCount out_offset = in_out_physical
? ChanCount::max(existing_inputs, existing_outputs)
if (!physinputs.empty() && connect_inputs) {
uint32_t nphysical_in = physinputs.size();
+
+ DEBUG_TRACE (DEBUG::Graph,
+ string_compose("There are %1 physical inputs of type %2\n",
+ nphysical_in, *t));
+
for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
string port;
if (Config->get_input_auto_connect() & AutoConnectPhysical) {
+ DEBUG_TRACE (DEBUG::Graph,
+ string_compose("Get index %1 + %2 % %3 = %4\n",
+ in_offset.get(*t), i, nphysical_in,
+ (in_offset.get(*t) + i) % nphysical_in));
port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
}
+ DEBUG_TRACE (DEBUG::Graph,
+ string_compose("Connect route %1 IN to %2\n",
+ route->name(), port));
+
if (!port.empty() && route->input()->connect (
- route->input()->ports().port(*t, i), port, this)) {
+ route->input()->ports().port(*t, i), port, this)) {
break;
}
}
}
}
+ DEBUG_TRACE (DEBUG::Graph,
+ string_compose("Connect route %1 OUT to %2\n",
+ route->name(), port));
+
if (!port.empty() && route->output()->connect (
route->output()->ports().port(*t, i), port, this)) {
break;
}
}
}
-
- existing_inputs += route->n_inputs();
- existing_outputs += route->n_outputs();
}
/** Caller must not hold process lock
{
char track_name[32];
uint32_t track_id = 0;
- ChanCount existing_inputs;
- ChanCount existing_outputs;
string port;
RouteList new_routes;
list<boost::shared_ptr<AudioTrack> > ret;
uint32_t control_id;
- count_existing_route_channels (existing_inputs, existing_outputs);
-
control_id = ntracks() + nbusses() + 1;
bool const use_number = (how_many != 1);
goto failed;
}
-
boost::shared_ptr<AudioTrack> track;
+ boost::shared_ptr<AudioTrack> track;
try {
track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
<< endmsg;
goto failed;
}
-
- auto_connect_route (track.get(), existing_inputs, existing_outputs);
}
if (route_group) {
failed:
if (!new_routes.empty()) {
- add_routes (new_routes, true);
+ add_routes (new_routes, true, true);
}
return ret;
RemoteModel m = Config->get_remote_model();
bool emit_signal = false;
- boost::shared_ptr<RouteList> r = routes.reader ();
+ boost::shared_ptr<RouteList> r = routes.reader ();
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
if (MixerOrdered == m) {
{
char bus_name[32];
uint32_t bus_id = 0;
- ChanCount existing_inputs;
- ChanCount existing_outputs;
string port;
RouteList ret;
uint32_t control_id;
- count_existing_route_channels (existing_inputs, existing_outputs);
-
control_id = ntracks() + nbusses() + 1;
bool const use_number = (how_many != 1);
<< endmsg;
goto failure;
}
-
- auto_connect_route (bus.get(), existing_inputs, existing_outputs, false);
}
if (route_group) {
failure:
if (!ret.empty()) {
- add_routes (ret, true);
+ add_routes (ret, true, true);
}
return ret;
Track::zero_diskstream_id_in_xml (node_copy);
try {
- boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
+ boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
if (route == 0) {
error << _("Session: cannot create track/bus from template description") << endmsg;
out:
if (!ret.empty()) {
- add_routes (ret, true);
+ add_routes (ret, true, true);
}
return ret;
}
void
-Session::add_routes (RouteList& new_routes, bool save)
+Session::add_routes (RouteList& new_routes, bool auto_connect, bool save)
{
+ ChanCount existing_inputs;
+ ChanCount existing_outputs;
+
+ count_existing_track_channels (existing_inputs, existing_outputs);
+
{
RCUWriter<RouteList> writer (routes);
- boost::shared_ptr<RouteList> r = writer.get_copy ();
+ boost::shared_ptr<RouteList> r = writer.get_copy ();
r->insert (r->end(), new_routes.begin(), new_routes.end());
mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
}
}
+
+ if (auto_connect) {
+
+ auto_connect_route (r, existing_inputs, existing_outputs, true);
+ }
}
if (_monitor_out && IO::connecting_legal) {
{
RCUWriter<RouteList> writer (routes);
- boost::shared_ptr<RouteList> rs = writer.get_copy ();
+ boost::shared_ptr<RouteList> rs = writer.get_copy ();
rs->remove (route);
}
}
- update_latency_compensation (false, false);
+ update_latency_compensation ();
set_dirty();
/* Re-sort routes to remove the graph's current references to the one that is
return;
}
- bool send_changed = false;
-
- if (route->solo_isolated()) {
- if (_solo_isolated_cnt == 0) {
- send_changed = true;
- }
- _solo_isolated_cnt++;
- } else if (_solo_isolated_cnt > 0) {
- _solo_isolated_cnt--;
- if (_solo_isolated_cnt == 0) {
- send_changed = true;
- }
- }
+ bool send_changed = false;
- if (send_changed) {
- IsolatedChanged (); /* EMIT SIGNAL */
- }
+ if (route->solo_isolated()) {
+ if (_solo_isolated_cnt == 0) {
+ send_changed = true;
+ }
+ _solo_isolated_cnt++;
+ } else if (_solo_isolated_cnt > 0) {
+ _solo_isolated_cnt--;
+ if (_solo_isolated_cnt == 0) {
+ send_changed = true;
+ }
+ }
+
+ if (send_changed) {
+ IsolatedChanged (); /* EMIT SIGNAL */
+ }
}
void
}
source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
- }
+ }
}
void
Session::get_silent_buffers (ChanCount count)
{
return ProcessThread::get_silent_buffers (count);
-#if 0
- assert(_silent_buffers->available() >= count);
- _silent_buffers->set_count(count);
-
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
- for (size_t i= 0; i < count.get(*t); ++i) {
- _silent_buffers->get(*t, i).clear();
- }
- }
-
- return *_silent_buffers;
-#endif
}
BufferSet&
Session::get_scratch_buffers (ChanCount count)
{
return ProcessThread::get_scratch_buffers (count);
-#if 0
- if (count != ChanCount::ZERO) {
- assert(_scratch_buffers->available() >= count);
- _scratch_buffers->set_count(count);
- } else {
- _scratch_buffers->set_count (_scratch_buffers->available());
- }
-
- return *_scratch_buffers;
-#endif
}
BufferSet&
Session::get_mix_buffers (ChanCount count)
{
return ProcessThread::get_mix_buffers (count);
-#if 0
- assert(_mix_buffers->available() >= count);
- _mix_buffers->set_count(count);
- return *_mix_buffers;
-#endif
}
uint32_t
boost::shared_ptr<Speakers>
Session::get_speakers()
{
- return _speakers;
+ return _speakers;
}
list<string>
return p;
}
-#ifdef HAVE_JACK_NEW_LATENCY
void
Session::update_latency (bool playback)
{
- DEBUG_TRACE (DEBUG::Latency, "JACK latency callback\n");
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
+
+ if (_state_of_the_state & (InitialConnecting|Deletion)) {
+ return;
+ }
boost::shared_ptr<RouteList> r = routes.reader ();
+ framecnt_t max_latency = 0;
- if (playback) {
- /* reverse the list so that we work backwards from the last route to run to the first */
- reverse (r->begin(), r->end());
- }
+ if (playback) {
+ /* reverse the list so that we work backwards from the last route to run to the first */
+ reverse (r->begin(), r->end());
+ }
+
+ /* compute actual latency values for the given direction and store them all in per-port
+ structures. this will also publish the same values (to JACK) so that computation of latency
+ for routes can consistently use public latency values.
+ */
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- DEBUG_TRACE (DEBUG::Latency, string_compose ("------------- Working on latency for %1\n", (*i)->name()));
- (*i)->set_latency_ranges (playback);
- DEBUG_TRACE (DEBUG::Latency, string_compose ("------------- Done working on latency for %1\n\n", (*i)->name()));
+ max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
+ }
+
+ /* because we latency compensate playback, our published playback latencies should
+ be the same for all output ports - all material played back by ardour has
+ the same latency, whether its caused by plugins or by latency compensation. since
+ these may differ from the values computed above, reset all playback port latencies
+ to the same value.
+ */
+
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
+
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ (*i)->set_public_port_latencies (max_latency, playback);
}
+
+ if (playback) {
+
+ post_playback_latency ();
+
+ } else {
+
+ post_capture_latency ();
+ }
+
+ DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
}
-#endif
+
+void
+Session::post_playback_latency ()
+{
+ set_worst_playback_latency ();
+
+ boost::shared_ptr<RouteList> r = routes.reader ();
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ if (!(*i)->is_hidden() && ((*i)->active())) {
+ _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
+ }
+
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ (*i)->set_latency_compensation (_worst_track_latency);
+ }
+ }
+}
+
+void
+Session::post_capture_latency ()
+{
+ set_worst_capture_latency ();
+
+ /* reflect any changes in capture latencies into capture offsets
+ */
+
+ boost::shared_ptr<RouteList> rl = routes.reader();
+ for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+ boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
+ if (tr) {
+ tr->set_capture_offset ();
+ }
+ }
+}
+
+void
+Session::set_worst_io_latencies ()
+{
+ set_worst_playback_latency ();
+ set_worst_capture_latency ();
+}
+
+void
+Session::set_worst_playback_latency ()
+{
+ if (_state_of_the_state & (InitialConnecting|Deletion)) {
+ return;
+ }
+
+ _worst_output_latency = 0;
+
+ if (!_engine.connected()) {
+ return;
+ }
+
+ boost::shared_ptr<RouteList> r = routes.reader ();
+
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
+ }
+
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
+}
+
+void
+Session::set_worst_capture_latency ()
+{
+ if (_state_of_the_state & (InitialConnecting|Deletion)) {
+ return;
+ }
+
+ _worst_input_latency = 0;
+
+ if (!_engine.connected()) {
+ return;
+ }
+
+ boost::shared_ptr<RouteList> r = routes.reader ();
+
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
+ }
+
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
+}
+
+void
+Session::update_latency_compensation (bool force_whole_graph)
+{
+ bool some_track_latency_changed = false;
+
+ if (_state_of_the_state & (InitialConnecting|Deletion)) {
+ return;
+ }
+
+ DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
+
+ _worst_track_latency = 0;
+
+ boost::shared_ptr<RouteList> r = routes.reader ();
+
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ if (!(*i)->is_hidden() && ((*i)->active())) {
+ framecnt_t tl;
+ if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
+ some_track_latency_changed = true;
+ }
+ _worst_track_latency = max (tl, _worst_track_latency);
+ }
+ }
+
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
+ (some_track_latency_changed ? "yes" : "no")));
+
+ if (force_whole_graph || some_track_latency_changed) {
+ /* trigger a full recompute of latency numbers for the graph.
+ everything else that we need to do will be done in the latency
+ callback.
+ */
+ _engine.update_total_latencies ();
+ return; // everything else will be done in the latency callback
+ }
+
+ DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n")
+}
+
projects / ardour.git / blobdiff