#include "ardour/revision.h"
#include "ardour/route_graph.h"
#include "ardour/route_group.h"
+#include "ardour/rt_tasklist.h"
#include "ardour/send.h"
#include "ardour/selection.h"
#include "ardour/session.h"
#include "ardour/session_playlists.h"
#include "ardour/slave.h"
#include "ardour/smf_source.h"
+#include "ardour/slave.h"
#include "ardour/solo_isolate_control.h"
#include "ardour/source_factory.h"
#include "ardour/speakers.h"
PBD::Signal1<int,uint32_t> Session::AudioEngineSetupRequired;
PBD::Signal1<void,std::string> Session::Dialog;
PBD::Signal0<int> Session::AskAboutPendingState;
-PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
-PBD::Signal2<void, framecnt_t, framecnt_t> Session::NotifyAboutSampleRateMismatch;
+PBD::Signal2<int, samplecnt_t, samplecnt_t> Session::AskAboutSampleRateMismatch;
+PBD::Signal2<void, samplecnt_t, samplecnt_t> Session::NotifyAboutSampleRateMismatch;
PBD::Signal0<void> Session::SendFeedback;
PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
-PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
-PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
+PBD::Signal1<void, samplepos_t> Session::StartTimeChanged;
+PBD::Signal1<void, samplepos_t> Session::EndTimeChanged;
PBD::Signal2<void,std::string, std::string> Session::Exported;
PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
PBD::Signal0<void> Session::Quit;
PBD::Signal0<void> Session::SuccessfulGraphSort;
PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
-const framecnt_t Session::bounce_chunk_size = 8192;
+const samplecnt_t Session::bounce_chunk_size = 8192;
static void clean_up_session_event (SessionEvent* ev) { delete ev; }
const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
, process_function (&Session::process_with_events)
, _bounce_processing_active (false)
, waiting_for_sync_offset (false)
- , _base_frame_rate (0)
- , _nominal_frame_rate (0)
- , _current_frame_rate (0)
+ , _base_sample_rate (0)
+ , _nominal_sample_rate (0)
+ , _current_sample_rate (0)
, transport_sub_state (0)
, _record_status (Disabled)
- , _transport_frame (0)
+ , _transport_sample (0)
+ , _seek_counter (0)
, _session_range_location (0)
, _session_range_end_is_free (true)
, _slave (0)
, _silent (false)
+ , _remaining_latency_preroll (0)
+ , _engine_speed (1.0)
, _transport_speed (0)
, _default_transport_speed (1.0)
, _last_transport_speed (0)
, _signalled_varispeed (0)
, _target_transport_speed (0.0)
, auto_play_legal (false)
- , _last_slave_transport_frame (0)
- , maximum_output_latency (0)
- , _requested_return_frame (-1)
+ , _last_slave_transport_sample (0)
+ , _requested_return_sample (-1)
, current_block_size (0)
, _worst_output_latency (0)
, _worst_input_latency (0)
- , _worst_track_latency (0)
+ , _worst_route_latency (0)
+ , _send_latency_changes (0)
, _have_captured (false)
, _non_soloed_outs_muted (false)
, _listening (false)
, _realtime_export (false)
, _region_export (false)
, _export_preroll (0)
- , _export_latency (0)
, _pre_export_mmc_enabled (false)
, _name (snapshot_name)
, _is_new (true)
, _last_roll_or_reversal_location (0)
, _last_record_location (0)
, pending_locate_roll (false)
- , pending_locate_frame (0)
+ , pending_locate_sample (0)
, pending_locate_flush (false)
, pending_abort (false)
, pending_auto_loop (false)
, _play_range (false)
, _range_selection (-1,-1)
, _object_selection (-1,-1)
- , _preroll_record_punch_pos (-1)
, _preroll_record_trim_len (0)
, _count_in_once (false)
, main_outs (0)
, _mmc (0)
, _vca_manager (new VCAManager (*this))
, _selection (new CoreSelection (*this))
+ , _global_locate_pending (false)
{
uint32_t sr = 0;
// set samplerate for plugins added early
// e.g from templates or MB channelstrip
set_block_size (_engine.samples_per_cycle());
- set_frame_rate (_engine.sample_rate());
+ set_sample_rate (_engine.sample_rate());
if (create (mix_template, bus_profile)) {
destroy ();
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));
+ Send::ChangedLatency.connect_same_thread (*this, boost::bind (&Session::send_latency_compensation_change, this));
+
emit_thread_start ();
auto_connect_thread_start ();
* session or set state for an existing one.
*/
+ _rt_tasklist.reset (new RTTaskList ());
+
if (how_many_dsp_threads () > 1) {
/* For now, only create the graph if we are using >1 DSP threads, as
it is a bit slower than the old code with 1 thread.
}
if (config.get_jack_time_master()) {
- _engine.transport_locate (_transport_frame);
+ _engine.transport_locate (_transport_sample);
}
try {
EngineStateController::instance()->remove_session();
#endif
+ /* drop slave, if any. We don't use use_sync_source (0) because
+ * there's no reason to do all the other stuff that may happen
+ * when calling that method.
+ */
+ delete _slave;
+
/* deregister all ports - there will be no process or any other
* callbacks from the engine any more.
*/
clear_clicks ();
/* need to remove auditioner before monitoring section
- * otherwise it is re-connected */
- auditioner->drop_references ();
+ * otherwise it is re-connected.
+ * Note: If a session was never successfully loaded, there
+ * may not yet be an auditioner.
+ */
+ if (auditioner) {
+ auditioner->drop_references ();
+ }
auditioner.reset ();
/* drop references to routes held by the monitoring section
case SessionEvent::Skip:
case SessionEvent::PunchIn:
case SessionEvent::PunchOut:
- case SessionEvent::RecordStart:
case SessionEvent::StopOnce:
case SessionEvent::RangeStop:
case SessionEvent::RangeLocate:
{
replace_event (SessionEvent::PunchIn, location->start());
- if (get_record_enabled() && config.get_punch_in()) {
+ if (get_record_enabled() && config.get_punch_in() && !actively_recording ()) {
/* capture start has been changed, so save new pending state */
save_state ("", true);
}
void
Session::auto_punch_end_changed (Location* location)
{
- framepos_t when_to_stop = location->end();
- // when_to_stop += _worst_output_latency + _worst_input_latency;
- replace_event (SessionEvent::PunchOut, when_to_stop);
+ replace_event (SessionEvent::PunchOut, location->end());
}
void
Session::auto_punch_changed (Location* location)
{
- framepos_t when_to_stop = location->end();
-
- replace_event (SessionEvent::PunchIn, location->start());
- //when_to_stop += _worst_output_latency + _worst_input_latency;
- replace_event (SessionEvent::PunchOut, when_to_stop);
+ auto_punch_start_changed (location);
+ auto_punch_end_changed (location);
}
/** @param loc A loop location.
- * @param pos Filled in with the start time of the required fade-out (in session frames).
+ * @param pos Filled in with the start time of the required fade-out (in session samples).
* @param length Filled in with the length of the required fade-out.
*/
void
-Session::auto_loop_declick_range (Location* loc, framepos_t & pos, framepos_t & length)
+Session::auto_loop_declick_range (Location* loc, samplepos_t & pos, samplepos_t & length)
{
pos = max (loc->start(), loc->end() - 64);
length = loc->end() - pos;
Session::auto_loop_changed (Location* location)
{
replace_event (SessionEvent::AutoLoop, location->end(), location->start());
- framepos_t dcp;
- framecnt_t dcl;
+ samplepos_t dcp;
+ samplecnt_t dcl;
auto_loop_declick_range (location, dcp, dcl);
if (transport_rolling() && play_loop) {
replace_event (SessionEvent::AutoLoopDeclick, dcp, dcl);
- // if (_transport_frame > location->end()) {
+ // if (_transport_sample > location->end()) {
- if (_transport_frame < location->start() || _transport_frame > location->end()) {
+ if (_transport_sample < location->start() || _transport_sample > location->end()) {
// relocate to beginning of loop
clear_events (SessionEvent::LocateRoll);
to the loop start on stop if that is appropriate.
*/
- framepos_t pos;
+ samplepos_t pos;
if (!transport_rolling() && select_playhead_priority_target (pos)) {
if (pos == location->start()) {
if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
punch_connections.drop_connections();
existing->set_auto_punch (false, this);
- remove_event (existing->start(), SessionEvent::PunchIn);
+ clear_events (SessionEvent::PunchIn);
clear_events (SessionEvent::PunchOut);
auto_punch_location_changed (0);
}
}
void
-Session::set_session_extents (framepos_t start, framepos_t end)
+Session::set_session_extents (samplepos_t start, samplepos_t end)
{
Location* existing;
if ((existing = _locations->session_range_location()) == 0) {
loop_connections.drop_connections ();
existing->set_auto_loop (false, this);
remove_event (existing->end(), SessionEvent::AutoLoop);
- framepos_t dcp;
- framecnt_t dcl;
+ samplepos_t dcp;
+ samplecnt_t dcl;
auto_loop_declick_range (existing, dcp, dcl);
remove_event (dcp, SessionEvent::AutoLoopDeclick);
auto_loop_location_changed (0);
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->hidden()) {
+ if (tr && !tr->is_private_route()) {
tr->set_loop (location);
}
}
if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
- _last_record_location = _transport_frame;
+ _last_record_location = _transport_sample;
send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
if (!rt_context) {
remove_pending_capture_state ();
}
- unset_preroll_record_punch ();
}
}
}
if (_transport_speed) {
- if (!config.get_punch_in() && !preroll_record_punch_enabled ()) {
+ if (!config.get_punch_in()) {
enable_record ();
}
} else {
set_dirty();
}
-framepos_t
-Session::audible_frame (bool* latent_locate) const
+samplepos_t
+Session::audible_sample (bool* latent_locate) const
{
- framepos_t ret;
-
- frameoffset_t offset = worst_playback_latency (); // - _engine.samples_since_cycle_start ();
- offset *= transport_speed ();
if (latent_locate) {
*latent_locate = false;
}
+ samplepos_t ret;
+
if (synced_to_engine()) {
/* Note: this is basically just sync-to-JACK */
- ret = _engine.transport_frame();
+ ret = _engine.transport_sample();
} else {
- ret = _transport_frame;
+ ret = _transport_sample;
}
- if (transport_rolling()) {
- ret -= offset;
+ assert (ret >= 0);
- /* Check to see if we have passed the first guaranteed
- * audible frame past our last start position. if not,
- * return that last start point because in terms
- * of audible frames, we have not moved yet.
- *
- * `Start position' in this context means the time we last
- * either started, located, or changed transport direction.
- */
-
- if (_transport_speed > 0.0f) {
+ if (!transport_rolling()) {
+ return ret;
+ }
- if (!play_loop || !have_looped) {
- if (ret < _last_roll_or_reversal_location) {
- if (latent_locate) {
- *latent_locate = true;
- }
- return _last_roll_or_reversal_location;
- }
- } else {
- /* the play-position wrapped at the loop-point
- * ardour is already playing the beginning of the loop,
- * but due to playback latency, the "audible frame"
- * is still at the end of the loop.
- */
- Location *location = _locations->auto_loop_location();
- frameoffset_t lo = location->start() - ret;
- if (lo > 0) {
- ret = location->end () - lo;
- if (latent_locate) {
- *latent_locate = true;
- }
+#if 0 // TODO looping
+ if (_transport_speed > 0.0f) {
+ if (play_loop && have_looped) {
+ /* the play-position wrapped at the loop-point
+ * ardour is already playing the beginning of the loop,
+ * but due to playback latency, the "audible frame"
+ * is still at the end of the loop.
+ */
+ Location *location = _locations->auto_loop_location();
+ sampleoffset_t lo = location->start() - ret;
+ if (lo > 0) {
+ ret = location->end () - lo;
+ if (latent_locate) {
+ *latent_locate = true;
}
}
-
- } else if (_transport_speed < 0.0f) {
-
- /* XXX wot? no backward looping? */
-
- if (ret > _last_roll_or_reversal_location) {
- return _last_roll_or_reversal_location;
- }
}
+ } else if (_transport_speed < 0.0f) {
+ /* XXX wot? no backward looping? */
}
+#endif
- return std::max ((framepos_t)0, ret);
+ return std::max ((samplepos_t)0, ret);
}
-
-framecnt_t
-Session::preroll_samples (framepos_t pos) const
+samplecnt_t
+Session::preroll_samples (samplepos_t pos) const
{
const float pr = Config->get_preroll_seconds();
if (pos >= 0 && pr < 0) {
- const Tempo& tempo = _tempo_map->tempo_at_frame (pos);
- const Meter& meter = _tempo_map->meter_at_frame (pos);
- return meter.frames_per_bar (tempo, frame_rate()) * -pr;
+ const Tempo& tempo = _tempo_map->tempo_at_sample (pos);
+ const Meter& meter = _tempo_map->meter_at_sample (pos);
+ return meter.samples_per_bar (tempo, sample_rate()) * -pr;
}
if (pr < 0) {
return 0;
}
- return pr * frame_rate();
+ return pr * sample_rate();
}
void
-Session::set_frame_rate (framecnt_t frames_per_second)
+Session::set_sample_rate (samplecnt_t frames_per_second)
{
- /** \fn void Session::set_frame_size(framecnt_t)
+ /** \fn void Session::set_sample_size(samplecnt_t)
the AudioEngine object that calls this guarantees
that it will not be called while we are also in
::process(). Its fine to do things that block
here.
*/
- if (_base_frame_rate == 0) {
- _base_frame_rate = frames_per_second;
+ if (_base_sample_rate == 0) {
+ _base_sample_rate = frames_per_second;
}
- else if (_base_frame_rate != frames_per_second && frames_per_second != _nominal_frame_rate) {
- NotifyAboutSampleRateMismatch (_base_frame_rate, frames_per_second);
+ else if (_base_sample_rate != frames_per_second && frames_per_second != _nominal_sample_rate) {
+ NotifyAboutSampleRateMismatch (_base_sample_rate, frames_per_second);
}
- _nominal_frame_rate = frames_per_second;
+ _nominal_sample_rate = frames_per_second;
sync_time_vars();
}
/* set this name in the XML description that we are about to use */
-
+#warning fixme -- no more Diskstream
if (pd == CopyPlaylist) {
XMLNode* ds_node = find_named_node (node_copy, "Diskstream");
if (ds_node) {
graph_reordered ();
- update_latency (true);
update_latency (false);
+ update_latency (true);
set_dirty();
/* If so, update the session range markers */
if (!in.empty ()) {
- maybe_update_session_range (r->position (), r->last_frame ());
+ maybe_update_session_range (r->position (), r->last_sample ());
}
}
* b is after the current end.
*/
void
-Session::maybe_update_session_range (framepos_t a, framepos_t b)
+Session::maybe_update_session_range (samplepos_t a, samplepos_t b)
{
if (_state_of_the_state & Loading) {
return;
}
- framepos_t session_end_marker_shift_samples = session_end_shift * _nominal_frame_rate;
+ samplepos_t session_end_marker_shift_samples = session_end_shift * _nominal_sample_rate;
if (_session_range_location == 0) {
}
void
-Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
+Session::playlist_ranges_moved (list<Evoral::RangeMove<samplepos_t> > const & ranges)
{
- for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
+ for (list<Evoral::RangeMove<samplepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
maybe_update_session_range (i->to, i->to + i->length);
}
}
void
-Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
+Session::playlist_regions_extended (list<Evoral::Range<samplepos_t> > const & ranges)
{
- for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
+ for (list<Evoral::Range<samplepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
maybe_update_session_range (i->from, i->to);
}
}
if (!path.empty()) {
return boost::dynamic_pointer_cast<AudioFileSource> (
- SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, frame_rate(), true, true));
+ SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, sample_rate(), true, true));
} else {
throw failed_constructor ();
}
if (!path.empty()) {
return boost::dynamic_pointer_cast<SMFSource> (
SourceFactory::createWritable (
- DataType::MIDI, *this, path, false, frame_rate()));
+ DataType::MIDI, *this, path, false, sample_rate()));
} else {
throw failed_constructor ();
}
return boost::dynamic_pointer_cast<SMFSource> (
SourceFactory::createWritable (
- DataType::MIDI, *this, path, false, frame_rate()));
+ DataType::MIDI, *this, path, false, sample_rate()));
}
#ifndef NDEBUG
lua.Print.connect (&_lua_print);
#endif
- lua.tweak_rt_gc ();
lua.sandbox (true);
lua.do_command (
"function ArdourSession ()"
abort(); /*NOTREACHED*/
}
+ lua_mlock (L, 1);
LuaBindings::stddef (L);
LuaBindings::common (L);
LuaBindings::dsp (L);
+ lua_mlock (L, 0);
luabridge::push <Session *> (L, this);
lua_setglobal (L, "Session");
}
return;
}
- /* every track/bus asked for this to be handled but it was deferred because
- we were connecting. do it now.
- */
-
- request_input_change_handling ();
-
resort_routes ();
/* force all diskstreams to update their capture offset values to
- reflect any changes in latencies within the graph.
- */
-
- 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->update_latency_information ();
- }
- }
+ * reflect any changes in latencies within the graph.
+ */
+ update_route_latency (false, true);
}
-/** @return Number of frames that there is disk space available to write,
+/** @return Number of samples that there is disk space available to write,
* if known.
*/
-boost::optional<framecnt_t>
+boost::optional<samplecnt_t>
Session::available_capture_duration ()
{
Glib::Threads::Mutex::Lock lm (space_lock);
if (_total_free_4k_blocks_uncertain) {
- return boost::optional<framecnt_t> ();
+ return boost::optional<samplecnt_t> ();
}
float sample_bytes_on_disk = 4.0; // keep gcc happy
double scale = 4096.0 / sample_bytes_on_disk;
- if (_total_free_4k_blocks * scale > (double) max_framecnt) {
- return max_framecnt;
+ if (_total_free_4k_blocks * scale > (double) max_samplecnt) {
+ return max_samplecnt;
}
- return (framecnt_t) floor (_total_free_4k_blocks * scale);
+ return (samplecnt_t) floor (_total_free_4k_blocks * scale);
}
void
Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
{
for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
- (*i)->recompute_frames_from_beat ();
+ (*i)->recompute_samples_from_beat ();
}
}
}
boost::shared_ptr<Region>
-Session::write_one_track (Track& track, framepos_t start, framepos_t end,
+Session::write_one_track (Track& track, samplepos_t start, samplepos_t end,
bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
InterThreadInfo& itt,
boost::shared_ptr<Processor> endpoint, bool include_endpoint,
boost::shared_ptr<Playlist> playlist;
boost::shared_ptr<Source> source;
ChanCount diskstream_channels (track.n_channels());
- framepos_t position;
- framecnt_t this_chunk;
- framepos_t to_do;
- framepos_t latency_skip;
+ samplepos_t position;
+ samplecnt_t this_chunk;
+ samplepos_t to_do;
+ samplepos_t latency_skip;
BufferSet buffers;
- framepos_t len = end - start;
+ samplepos_t len = end - start;
bool need_block_size_reset = false;
ChanCount const max_proc = track.max_processor_streams ();
string legal_playlist_name;
}
try {
- source = SourceFactory::createWritable (track.data_type(), *this, path, false, frame_rate());
+ source = SourceFactory::createWritable (track.data_type(), *this, path, false, sample_rate());
}
catch (failed_constructor& err) {
continue;
}
- const framecnt_t current_chunk = this_chunk - latency_skip;
+ const samplecnt_t current_chunk = this_chunk - latency_skip;
uint32_t n = 0;
for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
const MidiBuffer& buf = buffers.get_midi(0);
for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
- Evoral::Event<framepos_t> ev = *i;
+ Evoral::Event<samplepos_t> ev = *i;
ev.set_time(ev.time() - position);
- ms->append_event_frames(lock, ev, ms->timeline_position());
+ ms->append_event_samples(lock, ev, ms->timeline_position());
}
}
}
}
boost::shared_ptr<RouteList>
-Session::get_routes_with_regions_at (framepos_t const p) const
+Session::get_routes_with_regions_at (samplepos_t const p) const
{
boost::shared_ptr<RouteList> r = routes.reader ();
boost::shared_ptr<RouteList> rl (new RouteList);
}
}
-framepos_t
-Session::current_start_frame () const
+samplepos_t
+Session::current_start_sample () const
{
return _session_range_location ? _session_range_location->start() : 0;
}
-framepos_t
-Session::current_end_frame () const
+samplepos_t
+Session::current_end_sample () const
{
return _session_range_location ? _session_range_location->end() : 0;
}
void
-Session::set_session_range_location (framepos_t start, framepos_t end)
+Session::set_session_range_location (samplepos_t start, samplepos_t end)
{
_session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange, 0);
_locations->add (_session_range_location);
void
-Session::start_time_changed (framepos_t old)
+Session::start_time_changed (samplepos_t old)
{
/* Update the auto loop range to match the session range
(unless the auto loop range has been changed by the user)
}
void
-Session::end_time_changed (framepos_t old)
+Session::end_time_changed (samplepos_t old)
{
/* Update the auto loop range to match the session range
(unless the auto loop range has been changed by the user)
}
void
-Session::update_latency (bool playback)
+Session::set_worst_io_latencies_x (IOChange, void *)
{
+ set_worst_io_latencies ();
+}
- DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
-
- if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _route_deletion_in_progress) {
- return;
- }
- if (!_engine.running()) {
- return;
- }
+void
+Session::send_latency_compensation_change ()
+{
+ /* As a result of Send::set_output_latency()
+ * or InternalReturn::set_playback_offset ()
+ * the send's own latency can change (source track
+ * is aligned with target bus).
+ *
+ * This can only happen be triggered by
+ * Route::update_signal_latency ()
+ * when updating the processor latency.
+ *
+ * We need to walk the graph again to take those changes into account
+ * (we should probably recurse or process the graph in a 2 step process).
+ */
+ ++_send_latency_changes;
+}
+bool
+Session::update_route_latency (bool playback, bool apply_to_delayline)
+{
+ /* Note: RouteList is process-graph sorted */
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 */
- RouteList* rl = routes.reader().get();
- r.reset (new RouteList (*rl));
+ /* reverse the list so that we work backwards from the last route to run to the first,
+ * this is not needed, but can help to reduce the iterations for aux-sends.
+ */
+ RouteList* rl = routes.reader().get();
+ r.reset (new RouteList (*rl));
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.
- */
+ bool changed = false;
+ int bailout = 0;
+restart:
+ _send_latency_changes = 0;
+ _worst_route_latency = 0;
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
+ // if (!(*i)->active()) { continue ; } // TODO
+ samplecnt_t l;
+ if ((*i)->signal_latency () != (l = (*i)->update_signal_latency (apply_to_delayline))) {
+ changed = true;
+ }
+ _worst_route_latency = std::max (l, _worst_route_latency);
}
- /* 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 ();
+ if (_send_latency_changes > 0) {
+ // only 1 extra iteration is needed (we allow only 1 level of aux-sends)
+ // BUT.. jack'n'sends'n'bugs
+ if (++bailout < 5) {
+ cerr << "restarting Session::update_latency. # of send changes: " << _send_latency_changes << " iteration: " << bailout << endl;
+ goto restart;
+ }
}
- DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_route_latency, (changed ? "yes" : "no")));
+
+ return changed;
}
void
-Session::post_playback_latency ()
+Session::update_latency (bool playback)
{
- set_worst_playback_latency ();
+ DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
+ if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _route_deletion_in_progress) {
+ return;
+ }
+ if (!_engine.running()) {
+ return;
+ }
+
+ /* Note; RouteList is sorted as process-graph */
boost::shared_ptr<RouteList> r = routes.reader ();
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- assert (!(*i)->is_auditioner()); // XXX remove me
- if ((*i)->active()) {
- _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
- }
+ if (playback) {
+ /* reverse the list so that we work backwards from the last route to run to the first */
+ RouteList* rl = routes.reader().get();
+ r.reset (new RouteList (*rl));
+ reverse (r->begin(), r->end());
}
for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- (*i)->set_latency_compensation (_worst_track_latency);
+ samplecnt_t latency = (*i)->set_private_port_latencies (playback);
+ (*i)->set_public_port_latencies (latency, playback);
}
-}
-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->update_latency_information ();
- }
+ if (playback) {
+ set_worst_output_latency ();
+ update_route_latency (true, true);
+ } else {
+ set_worst_input_latency ();
+ update_route_latency (false, false);
}
+
+ DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
}
void
Session::initialize_latencies ()
{
- {
- Glib::Threads::Mutex::Lock lm (_engine.process_lock());
- update_latency (false);
- update_latency (true);
- }
+ {
+ Glib::Threads::Mutex::Lock lm (_engine.process_lock());
+ update_latency (false);
+ update_latency (true);
+ }
- set_worst_io_latencies ();
+ set_worst_io_latencies ();
}
void
Session::set_worst_io_latencies ()
{
- set_worst_playback_latency ();
- set_worst_capture_latency ();
+ set_worst_output_latency ();
+ set_worst_input_latency ();
}
void
-Session::set_worst_playback_latency ()
+Session::set_worst_output_latency ()
{
if (_state_of_the_state & (InitialConnecting|Deletion)) {
return;
_worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
}
+ _worst_output_latency = max (_worst_output_latency, _click_io->latency());
+
DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
}
void
-Session::set_worst_capture_latency ()
+Session::set_worst_input_latency ()
{
if (_state_of_the_state & (InitialConnecting|Deletion)) {
return;
_worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
}
- DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_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) {
- assert (!(*i)->is_auditioner()); // XXX remove me
- if ((*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")));
-
- DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
+ bool some_track_latency_changed = update_route_latency (false, false);
if (some_track_latency_changed || force_whole_graph) {
_engine.update_latencies ();
- }
-
-
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- if (!tr) {
- continue;
+ /* above call will ask the backend up update its latencies, which
+ * eventually will trigger AudioEngine::latency_callback () and
+ * call Session::update_latency ()
+ */
+ } else {
+ boost::shared_ptr<RouteList> r = routes.reader ();
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ (*i)->apply_latency_compensation ();
}
- tr->update_latency_information ();
}
}
}
void
-Session::set_range_selection (framepos_t start, framepos_t end)
+Session::set_range_selection (samplepos_t start, samplepos_t end)
{
- _range_selection = Evoral::Range<framepos_t> (start, end);
+ _range_selection = Evoral::Range<samplepos_t> (start, end);
#ifdef USE_TRACKS_CODE_FEATURES
follow_playhead_priority ();
#endif
}
void
-Session::set_object_selection (framepos_t start, framepos_t end)
+Session::set_object_selection (samplepos_t start, samplepos_t end)
{
- _object_selection = Evoral::Range<framepos_t> (start, end);
+ _object_selection = Evoral::Range<samplepos_t> (start, end);
#ifdef USE_TRACKS_CODE_FEATURES
follow_playhead_priority ();
#endif
void
Session::clear_range_selection ()
{
- _range_selection = Evoral::Range<framepos_t> (-1,-1);
+ _range_selection = Evoral::Range<samplepos_t> (-1,-1);
#ifdef USE_TRACKS_CODE_FEATURES
follow_playhead_priority ();
#endif
void
Session::clear_object_selection ()
{
- _object_selection = Evoral::Range<framepos_t> (-1,-1);
+ _object_selection = Evoral::Range<samplepos_t> (-1,-1);
#ifdef USE_TRACKS_CODE_FEATURES
follow_playhead_priority ();
#endif
/* this is only used for updating plugin latencies, the
* graph does not change. so it's safe in general.
* BUT..
- * .. update_latency_compensation () entails Track::update_latency_information()
- * which calls DiskWriter::set_capture_offset () which
- * modifies the capture offset... which can be a proplem
- * in "prepare_to_stop"
+ * update_latency_compensation ()
+ * calls DiskWriter::set_capture_offset () which
+ * modifies the capture-offset, which can be a problem.
*/
while (g_atomic_int_and (&_latency_recompute_pending, 0)) {
+ Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
update_latency_compensation ();
}
}
projects / ardour.git / blobdiff