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ardour/libs/ardour/ardour/session.h

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/*
* Copyright (C) 2000-2019 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005-2009 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2007 Jesse Chappell <jesse@essej.net>
* Copyright (C) 2006-2009 Sampo Savolainen <v2@iki.fi>
* Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2008-2009 Hans Baier <hansfbaier@googlemail.com>
* Copyright (C) 2008-2009 Sakari Bergen <sakari.bergen@beatwaves.net>
* Copyright (C) 2012-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2013-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2013-2018 John Emmas <john@creativepost.co.uk>
* Copyright (C) 2014-2018 Ben Loftis <ben@harrisonconsoles.com>
* Copyright (C) 2015-2018 Len Ovens <len@ovenwerks.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_session_h__
#define __ardour_session_h__
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#include <exception>
#include <list>
#include <map>
#include <set>
#include <string>
#include <vector>
#include <queue>
#include <stdint.h>
#include <boost/dynamic_bitset.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/utility.hpp>
#include <glibmm/threads.h>
#include <ltc.h>
#include "pbd/error.h"
#include "pbd/event_loop.h"
#include "pbd/file_archive.h"
#include "pbd/rcu.h"
#include "pbd/reallocpool.h"
#include "pbd/statefuldestructible.h"
#include "pbd/signals.h"
#include "pbd/undo.h"
#include "pbd/g_atomic_compat.h"
#include "lua/luastate.h"
#include "temporal/range.h"
#include "midi++/types.h"
#include "midi++/mmc.h"
#include "temporal/time.h"
#include "ardour/ardour.h"
#include "ardour/chan_count.h"
#include "ardour/delivery.h"
#include "ardour/interthread_info.h"
#include "ardour/luascripting.h"
#include "ardour/location.h"
#include "ardour/monitor_processor.h"
#include "ardour/presentation_info.h"
#include "ardour/rc_configuration.h"
#include "ardour/session_configuration.h"
#include "ardour/session_event.h"
#include "ardour/interpolation.h"
#include "ardour/plugin.h"
#include "ardour/presentation_info.h"
#include "ardour/route.h"
#include "ardour/graph_edges.h"
#include "ardour/transport_api.h"
#include "ardour/triggerbox.h"
class XMLTree;
class XMLNode;
struct _AEffect;
typedef struct _AEffect AEffect;
class PTFFormat;
namespace MIDI {
class Port;
class MachineControl;
class Parser;
}
namespace PBD {
class Controllable;
}
namespace luabridge {
class LuaRef;
}
namespace Evoral {
class Curve;
}
namespace Temporal {
class TempoMap;
}
namespace ARDOUR {
class Amp;
class AsyncMIDIPort;
class AudioEngine;
class AudioFileSource;
class AudioRegion;
class AudioSource;
class AudioTrack;
class Auditioner;
class AutomationList;
class AuxInput;
class BufferSet;
class Bundle;
class Butler;
class Click;
class CoreSelection;
class ExportHandler;
class ExportStatus;
class Graph;
struct GraphChain;
class IO;
class IOPlug;
class IOProcessor;
class ImportStatus;
class MidiClockTicker;
class MidiControlUI;
class MidiPortManager;
class MidiPort;
class MidiRegion;
class MidiSource;
class MidiTrack;
class MixerScene;
class Playlist;
class PluginInsert;
class PluginInfo;
class Port;
class PortInsert;
class ProcessThread;
class Progress;
class Processor;
class Region;
class Return;
class Route;
class RouteGroup;
class RTTaskList;
class SMFSource;
class Send;
class SceneChanger;
class SessionDirectory;
class SessionMetadata;
class SessionPlaylists;
class SoloMuteRelease;
class Source;
class Speakers;
class TransportMaster;
struct TransportFSM;
class Track;
class UI_TransportMaster;
class VCAManager;
class WindowsVSTPlugin;
extern void setup_enum_writer ();
class LIBARDOUR_API SessionException: public std::exception {
public:
explicit SessionException(const std::string msg) : _message(msg) {}
virtual ~SessionException() throw() {}
virtual const char* what() const throw() { return _message.c_str(); }
private:
std::string _message;
};
/** Ardour Session */
class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager, public TransportAPI
{
private:
public:
enum RecordState {
Disabled = 0,
Enabled = 1,
Recording = 2
};
/* a new session might have non-empty mix_template, an existing session should always have an empty one.
the bus profile can be null if no master out bus is required.
*/
Session (AudioEngine&,
const std::string& fullpath,
const std::string& snapshot_name,
BusProfile const * bus_profile = 0,
std::string mix_template = "",
bool unnamed = false);
virtual ~Session ();
static int get_info_from_path (const std::string& xmlpath, float& sample_rate, SampleFormat& data_format, std::string& program_version, XMLNode* engine_hints = 0);
static std::string get_snapshot_from_instant (const std::string& session_dir);
/** a monotonic counter used for naming user-visible things uniquely
* (curently the sidechain port).
* Use sparingly to keep the numbers low, prefer PBD::ID for all
* internal, not user-visible IDs */
static unsigned int next_name_id ();
std::string path() const { return _path; }
std::string name() const { return _name; }
std::string snap_name() const { return _current_snapshot_name; }
std::string raid_path () const;
bool path_is_within_session (const std::string&);
bool writable() const { return _writable; }
void set_clean (); // == Clean and emit DirtyChanged IFF session was Dirty
void set_dirty (); // |= Dirty and emit DirtyChanged (unless already dirty or Loading, Deletion)
void unset_dirty (bool emit_dirty_changed = false); // &= ~Dirty
void set_deletion_in_progress (); // |= Deletion
void clear_deletion_in_progress (); // &= ~Deletion
bool reconnection_in_progress () const { return _reconnecting_routes_in_progress; }
bool routes_deletion_in_progress () const { return _route_deletion_in_progress; }
bool dirty () const { return _state_of_the_state & Dirty; }
bool deletion_in_progress () const { return _state_of_the_state & Deletion; }
bool peaks_cleanup_in_progres () const { return _state_of_the_state & PeakCleanup; }
bool loading () const { return _state_of_the_state & Loading; }
bool cannot_save () const { return _state_of_the_state & CannotSave; }
bool in_cleanup () const { return _state_of_the_state & InCleanup; }
bool inital_connect_or_deletion_in_progress () const { return _state_of_the_state & (InitialConnecting | Deletion); }
bool unnamed() const;
void end_unnamed_status () const;
PBD::Signal0<void> DirtyChanged;
const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
static PBD::Signal1<void,std::string> Dialog;
PBD::Signal0<void> BatchUpdateStart;
PBD::Signal0<void> BatchUpdateEnd;
int ensure_subdirs ();
std::string automation_dir () const; ///< Automation data
std::string analysis_dir () const; ///< Analysis data
std::string plugins_dir () const; ///< Plugin state
std::string externals_dir () const; ///< Links to external files
std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const;
bool audio_source_name_is_unique (const std::string& name);
std::string format_audio_source_name (const std::string& legalized_base, uint32_t nchan, uint32_t chan, bool take_required, uint32_t cnt, bool related_exists);
std::string new_audio_source_path_for_embedded (const std::string& existing_path);
std::string new_audio_source_path (const std::string&, uint32_t nchans, uint32_t chan, bool take_required);
std::string new_midi_source_path (const std::string&, bool need_source_lock = true);
/** create a new track or bus from a template (XML path)
* @param how_many how many tracks or busses to create
* @param template_path path to xml template file
* @param insert_at position where to add new track, use PresentationInfo::max_order to append at the end.
* @param name name (prefix) of the route to create
* @param pd Playlist disposition
* @return list of newly created routes
*/
RouteList new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, const std::string& template_path, const std::string& name, PlaylistDisposition pd = NewPlaylist);
RouteList new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, XMLNode&, const std::string& name, PlaylistDisposition pd = NewPlaylist);
std::vector<std::string> get_paths_for_new_sources (bool allow_replacing, const std::string& import_file_path,
uint32_t channels, std::vector<std::string> const & smf_track_names);
int bring_all_sources_into_session (boost::function<void(uint32_t,uint32_t,std::string)> callback);
void process (pframes_t nframes);
void send_ltc_for_cycle (samplepos_t, samplepos_t, pframes_t);
void send_mclk_for_cycle (samplepos_t, samplepos_t, pframes_t, samplecnt_t);
BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
BufferSet& get_noinplace_buffers (ChanCount count = ChanCount::ZERO);
BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
bool have_rec_enabled_track () const;
bool have_rec_disabled_track () const;
bool have_captured() const { return _have_captured; }
samplecnt_t capture_duration () const { return _capture_duration; }
unsigned int capture_xruns () const { return _capture_xruns; }
unsigned int export_xruns () const { return _export_xruns; }
void refill_all_track_buffers ();
Butler* butler() { return _butler; }
void butler_transport_work (bool have_process_lock = false);
void refresh_disk_space ();
int load_routes (const XMLNode&, int);
boost::shared_ptr<RouteList> get_routes() const {
return routes.reader ();
}
boost::shared_ptr<RTTaskList> rt_tasklist () { return _rt_tasklist; }
RouteList get_routelist (bool mixer_order = false, PresentationInfo::Flag fl = PresentationInfo::MixerRoutes) const;
CoreSelection& selection () const { return *_selection; }
/* because the set of Stripables consists of objects managed
* independently, in multiple containers within the Session (or objects
* owned by the session), we fill out a list in-place rather than
* return a pointer to a copy of the (RCU) managed list, as happens
* with get_routes()
*/
void get_stripables (StripableList&, PresentationInfo::Flag fl = PresentationInfo::MixerStripables) const;
StripableList get_stripables () const;
boost::shared_ptr<RouteList> get_tracks() const;
boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
boost::shared_ptr<RouteList> get_routes_with_regions_at (timepos_t const &) const;
boost::shared_ptr<AudioTrack> get_nth_audio_track (uint32_t) const;
uint32_t nstripables (bool with_monitor = false) const;
uint32_t nroutes() const { return routes.reader()->size(); }
uint32_t ntracks () const;
uint32_t naudiotracks () const;
uint32_t nbusses () const;
bool plot_process_graph (std::string const& file_name) const;
boost::shared_ptr<BundleList> bundles () {
return _bundles.reader ();
}
void notify_presentation_info_change (PBD::PropertyChange const&);
template<class T> void foreach_route (T *obj, void (T::*func)(Route&), bool sort = true);
template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>), bool sort = true);
template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg, bool sort = true);
template<class A> void foreach_track (void (Track::*method)(A), A arg);
template<class A1, class A2> void foreach_track (void (Track::*method)(A1, A2), A1 arg1, A2 arg2);
void foreach_route (void (Route::*method)());
template<class A> void foreach_route (void (Route::*method)(A), A arg);
template<class A1, class A2> void foreach_route (void (Route::*method)(A1, A2), A1 arg1, A2 arg2);
static const std::string session_name_is_legal (const std::string&);
bool io_name_is_legal (const std::string&) const;
boost::shared_ptr<Route> route_by_name (std::string) const;
boost::shared_ptr<Route> route_by_id (PBD::ID) const;
boost::shared_ptr<Stripable> stripable_by_id (PBD::ID) const;
boost::shared_ptr<Stripable> get_remote_nth_stripable (PresentationInfo::order_t n, PresentationInfo::Flag) const;
boost::shared_ptr<Route> get_remote_nth_route (PresentationInfo::order_t n) const;
boost::shared_ptr<Route> route_by_selected_count (uint32_t cnt) const;
void routes_using_input_from (const std::string& str, RouteList& rl);
bool route_name_unique (std::string) const;
bool route_name_internal (std::string) const;
uint32_t track_number_decimals () const {
return _track_number_decimals;
}
bool get_record_enabled() const {
return (record_status () >= Enabled);
}
RecordState record_status() const {
return (RecordState) g_atomic_int_get (const_cast<GATOMIC_QUAL gint*> (&_record_status));
}
bool actively_recording () const {
return record_status() == Recording;
}
bool record_enabling_legal () const;
void maybe_enable_record (bool rt_context = false);
void disable_record (bool rt_context, bool force = false);
void step_back_from_record ();
void set_all_tracks_record_enabled(bool);
void maybe_write_autosave ();
/* Emitted when all i/o connections are complete */
PBD::Signal0<void> IOConnectionsComplete;
/* Record status signals */
PBD::Signal0<void> RecordStateChanged; /* signals changes in recording state (i.e. are we recording) */
/* XXX may 2015: paul says: it isn't clear to me that this has semantics that cannot be inferrred
from the previous signal and session state.
*/
PBD::Signal0<void> RecordArmStateChanged; /* signals changes in recording arming */
PBD::Signal0<void> UpdateRouteRecordState; /* signals potential change in route recording arming */
/* Emited when session is loaded */
PBD::Signal0<void> SessionLoaded;
/* Transport mechanism signals */
/** Emitted on the following changes in transport state:
* - stop (from the butler thread)
* - change in whether or not we are looping (from the process thread)
* - change in the play range (from the process thread)
* - start (from the process thread)
* - engine halted
*/
PBD::Signal0<void> TransportStateChange;
PBD::Signal1<void,samplepos_t> PositionChanged; /* sent after any non-sequential motion */
PBD::Signal1<void,samplepos_t> Xrun;
PBD::Signal0<void> TransportLooped;
/** emitted when a locate has occurred */
PBD::Signal0<void> Located;
PBD::Signal1<void,RouteList&> RouteAdded;
/** Emitted when a property of one of our route groups changes.
* The parameter is the RouteGroup that has changed.
*/
PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
/** Emitted when a route is added to one of our route groups.
* First parameter is the RouteGroup, second is the route.
*/
PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
/** Emitted when a route is removed from one of our route groups.
* First parameter is the RouteGroup, second is the route.
*/
PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
/** Emitted when a foldback send is created or deleted
*/
PBD::Signal0<void> FBSendsChanged;
/* Step Editing status changed */
PBD::Signal1<void,bool> StepEditStatusChange;
/* Timecode state signals */
PBD::Signal0<void> MtcOrLtcInputPortChanged;
void queue_event (SessionEvent*);
void request_roll_at_and_return (samplepos_t start, samplepos_t return_to);
void request_bounded_roll (samplepos_t start, samplepos_t end);
void request_roll (TransportRequestSource origin = TRS_UI);
void request_stop (bool abort = false, bool clear_state = false, TransportRequestSource origin = TRS_UI);
void request_locate (samplepos_t sample, bool force = false, LocateTransportDisposition ltd = RollIfAppropriate, TransportRequestSource origin = TRS_UI);
void request_play_loop (bool yn, bool leave_rolling = false);
bool get_play_loop () const { return play_loop; }
samplepos_t last_transport_start () const { return _last_roll_location; }
void goto_end ();
void goto_start (bool and_roll = false);
void use_rf_shuttle_speed ();
void allow_auto_play (bool yn);
double default_play_speed ();
void reset_transport_speed (TransportRequestSource origin = TRS_UI);
void trigger_stop_all (bool now = true);
void request_transport_speed (double speed, TransportRequestSource origin = TRS_UI);
void request_default_play_speed (double speed, TransportRequestSource origin = TRS_UI);
void request_transport_speed_nonzero (double, TransportRequestSource origin = TRS_UI);
void request_overwrite_buffer (boost::shared_ptr<Track>, OverwriteReason);
void adjust_playback_buffering();
void adjust_capture_buffering();
bool global_locate_pending() const { return _global_locate_pending; }
bool locate_pending() const;
bool locate_initiated() const;
bool declick_in_progress () const;
bool transport_locked () const;
bool had_destructive_tracks () const;
void set_had_destructive_tracks (bool yn);
int wipe ();
timepos_t current_end () const;
timepos_t current_start () const;
samplepos_t current_end_sample () const;
samplepos_t current_start_sample () const;
/** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
samplecnt_t sample_rate () const { return _current_sample_rate; }
/** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
samplecnt_t nominal_sample_rate () const { return _nominal_sample_rate; }
samplecnt_t frames_per_hour () const { return _frames_per_hour; }
double samples_per_timecode_frame() const { return _samples_per_timecode_frame; }
samplecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
MIDI::byte get_mtc_timecode_bits() const {
return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
}
double timecode_frames_per_second() const;
bool timecode_drop_frames() const;
/* Locations */
Locations *locations() { return _locations; }
PBD::Signal1<void,Location*> auto_loop_location_changed;
PBD::Signal1<void,Location*> auto_punch_location_changed;
PBD::Signal0<void> locations_modified;
void set_auto_punch_location (Location *);
void set_auto_loop_location (Location *);
void set_session_extents (timepos_t const & start, timepos_t const & end);
bool session_range_is_free () const { return _session_range_is_free; }
void set_session_range_is_free (bool);
pframes_t get_block_size () const { return current_block_size; }
samplecnt_t worst_output_latency () const { return _worst_output_latency; }
samplecnt_t worst_input_latency () const { return _worst_input_latency; }
samplecnt_t worst_route_latency () const { return _worst_route_latency; }
samplecnt_t io_latency () const { return _io_latency; }
samplecnt_t worst_latency_preroll () const;
samplecnt_t worst_latency_preroll_buffer_size_ceil () const;
PBD::Signal1<void, bool> LatencyUpdated;
struct SaveAs {
std::string new_parent_folder; /* parent folder where new session folder will be created */
std::string new_name; /* name of newly saved session */
bool switch_to; /* true if we should be working on newly saved session after save-as; false otherwise */
bool include_media; /* true if the newly saved session should contain references to media */
bool copy_media; /* true if media files (audio, media, etc) should be copied into newly saved session; false otherwise */
bool copy_external; /* true if external media should be consolidated into the newly saved session; false otherwise */
std::string final_session_folder_name; /* filled in by * Session::save_as(), provides full path to newly saved session */
/* emitted as we make progress. 3 arguments passed to signal
* handler:
*
* 1: percentage complete measured as a fraction (0-1.0) of
* total data copying done.
* 2: number of files copied so far
* 3: total number of files to copy
*
* Handler should return true for save-as to continue, or false
* to stop (and remove all evidence of partial save-as).
*/
PBD::Signal3<bool,float,int64_t,int64_t> Progress;
/* if save_as() returns non-zero, this string will indicate the reason why.
*/
std::string failure_message;
};
int save_as (SaveAs&);
/** save session
* @param snapshot_name name of the session (use an empty string for the current name)
* @param pending save a 'recovery', not full state (default: false)
* @param switch_to_snapshot switch to given snapshot after saving (default: false)
* @param template_only save a session template (default: false)
* @param for_archive save only data relevant for session-archive
* @param only_used_assets skip Sources that are not used, mainly useful with \p for_archive
* @return zero on success
*/
int save_state (std::string snapshot_name = "",
bool pending = false,
bool switch_to_snapshot = false,
bool template_only = false,
bool for_archive = false,
bool only_used_assets = false);
enum ArchiveEncode {
NO_ENCODE,
FLAC_16BIT,
FLAC_24BIT
};
int archive_session (const std::string&, const std::string&,
ArchiveEncode compress_audio = FLAC_16BIT,
PBD::FileArchive::CompressionLevel compression_level = PBD::FileArchive::CompressGood,
bool only_used_sources = false,
Progress* p = 0);
int restore_state (std::string snapshot_name);
int save_template (const std::string& template_name, const std::string& description = "", bool replace_existing = false);
int save_history (std::string snapshot_name = "");
int restore_history (std::string snapshot_name);
void remove_state (std::string snapshot_name);
void rename_state (std::string old_name, std::string new_name);
void remove_pending_capture_state ();
int rename (const std::string&);
bool get_nsm_state () const { return _under_nsm_control; }
void set_nsm_state (bool state) { _under_nsm_control = state; }
bool save_default_options ();
PBD::Signal1<void,std::string> StateSaved;
PBD::Signal0<void> StateReady;
/* emitted when session needs to be saved due to some internal
* event or condition (i.e. not in response to a user request).
*
* Only one object should
* connect to this signal and take responsibility.
*
* Argument is the snapshot name to use when saving.
*/
PBD::Signal1<void,std::string> SaveSessionRequested;
/* emitted during a session save to allow other entities to add state, via
* extra XML, to the session state
*/
PBD::Signal0<void> SessionSaveUnderway;
std::vector<std::string> possible_states() const;
static std::vector<std::string> possible_states (std::string path);
bool export_track_state (boost::shared_ptr<RouteList> rl, const std::string& path);
/// The instant xml file is written to the session directory
void add_instant_xml (XMLNode&, bool write_to_config = true);
XMLNode* instant_xml (const std::string& str);
enum StateOfTheState {
Clean = 0x0,
Dirty = 0x1,
CannotSave = 0x2,
Deletion = 0x4,
InitialConnecting = 0x8,
Loading = 0x10,
InCleanup = 0x20,
PeakCleanup = 0x40
};
class StateProtector {
public:
StateProtector (Session* s) : _session (s) {
g_atomic_int_inc (&s->_suspend_save);
}
~StateProtector () {
if (g_atomic_int_dec_and_test (&_session->_suspend_save)) {
while (_session->_save_queued) {
_session->_save_queued = false;
_session->save_state ("");
}
while (_session->_save_queued_pending) {
_session->_save_queued_pending = false;
_session->save_state ("", true);
}
}
}
private:
Session * _session;
};
class LIBARDOUR_API ProcessorChangeBlocker {
public:
ProcessorChangeBlocker (Session* s, bool rc = true);
~ProcessorChangeBlocker ();
private:
Session* _session;
bool _reconfigure_on_delete;
};
RouteGroup* new_route_group (const std::string&);
void add_route_group (RouteGroup *);
void remove_route_group (RouteGroup* rg) { if (rg) remove_route_group (*rg); }
void remove_route_group (RouteGroup&);
void reorder_route_groups (std::list<RouteGroup*>);
RouteGroup* route_group_by_name (std::string);
RouteGroup& all_route_group() const;
PBD::Signal1<void,RouteGroup*> route_group_added;
PBD::Signal0<void> route_group_removed;
PBD::Signal0<void> route_groups_reordered;
void foreach_route_group (boost::function<void(RouteGroup*)> f) {
for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
f (*i);
}
}
std::list<RouteGroup*> const & route_groups () const {
return _route_groups;
}
/* fundamental operations. duh. */
std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
int input_channels,
int output_channels,
RouteGroup* route_group,
uint32_t how_many,
std::string name_template,
PresentationInfo::order_t order,
TrackMode mode = Normal,
bool input_auto_connect = true,
bool trigger_visibility = false
);
std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
const ChanCount& input, const ChanCount& output, bool strict_io,
boost::shared_ptr<PluginInfo> instrument,
Plugin::PresetRecord* pset,
RouteGroup* route_group, uint32_t how_many, std::string name_template,
PresentationInfo::order_t,
TrackMode mode,
bool input_auto_connect,
bool trigger_visibility = false
);
RouteList new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, std::string name_template, PresentationInfo::Flag, PresentationInfo::order_t);
RouteList new_midi_route (RouteGroup* route_group, uint32_t how_many, std::string name_template, bool strict_io, boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord*, PresentationInfo::Flag, PresentationInfo::order_t);
void remove_routes (boost::shared_ptr<RouteList>);
void remove_route (boost::shared_ptr<Route>);
void resort_routes ();
AudioEngine & engine() { return _engine; }
AudioEngine const & engine () const { return _engine; }
static std::string default_track_name_pattern (DataType);
/* Time */
samplepos_t transport_sample () const { return _transport_sample; }
samplepos_t record_location () const { return _last_record_location; }
samplepos_t audible_sample (bool* latent_locate = NULL) const;
samplepos_t requested_return_sample() const { return _requested_return_sample; }
void set_requested_return_sample(samplepos_t return_to);
boost::optional<samplepos_t> const & nominal_jack_transport_sample() { return _nominal_jack_transport_sample; }
bool compute_audible_delta (samplepos_t& pos_and_delta) const;
samplecnt_t remaining_latency_preroll () const { return _remaining_latency_preroll; }
enum PullupFormat {
pullup_Plus4Plus1,
pullup_Plus4,
pullup_Plus4Minus1,
pullup_Plus1,
pullup_None,
pullup_Minus1,
pullup_Minus4Plus1,
pullup_Minus4,
pullup_Minus4Minus1
};
void sync_time_vars();
void timecode_to_sample(Timecode::Time& timecode, samplepos_t& sample, bool use_offset, bool use_subframes) const;
void sample_to_timecode(samplepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
void timecode_time (Timecode::Time &);
void timecode_time (samplepos_t when, Timecode::Time&);
void timecode_time_subframes (samplepos_t when, Timecode::Time&);
void timecode_duration (samplecnt_t, Timecode::Time&) const;
void timecode_duration_string (char *, size_t len, samplecnt_t) const;
samplecnt_t convert_to_samples (AnyTime const & position);
samplecnt_t any_duration_to_samples (samplepos_t position, AnyTime const & duration);
static PBD::Signal1<void, samplepos_t> StartTimeChanged;
static PBD::Signal1<void, samplepos_t> EndTimeChanged;
void request_sync_source (boost::shared_ptr<TransportMaster>);
bool synced_to_engine() const;
double engine_speed() const { return _engine_speed; }
double actual_speed() const;
double transport_speed() const;
/** @return true if the transport state (TFSM) is stopped */
bool transport_stopped() const;
/** @return true if the transport state (TFSM) is stopped or stopping */
bool transport_stopped_or_stopping() const;
/** @return true if the transport state (TFSM) is rolling.
* Note: the transport may not yet move if pre-roll or count-in in ongoing.
*/
bool transport_state_rolling() const;
/** @return true if the the transport is actively (audible) rolling.
* playback speed is not zero, and count-in as well as latency-preroll is complete,
* and _transport_sample changes every process cycle.
*/
bool transport_rolling() const;
bool transport_will_roll_forwards() const;
bool transport_locating() const;
bool silent () { return _silent; }
bool punch_is_possible () const;
bool loop_is_possible () const;
PBD::Signal0<void> PunchLoopConstraintChange;
void maybe_update_tempo_from_midiclock_tempo (float bpm);
unsigned int get_xrun_count () const {return _xrun_count; }
void reset_xrun_count ();
/* region info */
boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
void deinterlace_midi_region ( boost::shared_ptr<MidiRegion> mr );
/* source management */
void import_files (ImportStatus&);
bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
std::string build_tmp_convert_name (std::string file);
boost::shared_ptr<ExportHandler> get_export_handler ();
boost::shared_ptr<ExportStatus> get_export_status ();
int start_audio_export (samplepos_t position, bool realtime = false, bool region_export = false);
PBD::Signal1<int, samplecnt_t> ProcessExport;
static PBD::Signal4<void, std::string, std::string, bool, samplepos_t> Exported;
void add_source (boost::shared_ptr<Source>);
void remove_source (boost::weak_ptr<Source>);
void cleanup_regions();
bool can_cleanup_peakfiles () const;
int cleanup_peakfiles ();
int cleanup_sources (CleanupReport&);
int cleanup_trash_sources (CleanupReport&);
int destroy_sources (std::list<boost::shared_ptr<Source> > const&);
int remove_last_capture ();
void get_last_capture_sources (std::list<boost::shared_ptr<Source> >&);
/** handlers should return -1 for "stop cleanup",
0 for "yes, delete this playlist",
1 for "no, don't delete this playlist".
*/
static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
/** handlers should return 0 for "ignore the rate mismatch",
!0 for "do not use this session"
*/
static PBD::Signal2<int, samplecnt_t, samplecnt_t> AskAboutSampleRateMismatch;
/** non interactive message */
static PBD::Signal2<void, samplecnt_t, samplecnt_t> NotifyAboutSampleRateMismatch;
/** handlers should return !0 for use pending state, 0 for ignore it.
*/
static PBD::Signal0<int> AskAboutPendingState;
/** after loading a session, once all ports have been created and connected
* signal is emitted to let objects that need to do some housekeeping
* post-connect.
*/
static PBD::Signal0<void> AfterConnect;
boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
size_t, std::string const &, uint32_t);
boost::shared_ptr<MidiSource> create_midi_source_for_session (std::string const &);
boost::shared_ptr<MidiSource> create_midi_source_by_stealing_name (boost::shared_ptr<Track>);
boost::shared_ptr<Source> source_by_id (const PBD::ID&);
boost::shared_ptr<AudioFileSource> audio_source_by_path_and_channel (const std::string&, uint16_t) const;
boost::shared_ptr<MidiSource> midi_source_by_path (const std::string&, bool need_source_lock) const;
uint32_t count_sources_by_origin (const std::string&);
void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
/* Curves and AutomationLists (TODO when they go away) */
void add_automation_list(AutomationList*);
/* auditioning */
boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
void audition_playlist ();
void audition_region (boost::shared_ptr<Region>);
void cancel_audition ();
bool is_auditioning () const;
PBD::Signal1<void,bool> AuditionActive;
/* session script */
void register_lua_function (const std::string&, const std::string&, const LuaScriptParamList&);
void unregister_lua_function (const std::string& name);
std::vector<std::string> registered_lua_functions ();
uint32_t registered_lua_function_count () const { return _n_lua_scripts; }
void scripts_changed (); // called from lua, updates _n_lua_scripts
PBD::Signal0<void> LuaScriptsChanged;
/* I/O Plugin */
PBD::Signal0<void> IOPluginsChanged;
void load_io_plugin (boost::shared_ptr<IOPlug>);
bool unload_io_plugin (boost::shared_ptr<IOPlug>);
boost::shared_ptr<IOPlug> nth_io_plug (uint32_t n) {
boost::shared_ptr<IOPlugList> iop (_io_plugins.reader ());
if (n < iop->size ()) {
return (*iop)[n];
}
return boost::shared_ptr<IOPlug> ();
}
boost::shared_ptr<IOPlugList> io_plugs () const {
return _io_plugins.reader ();
}
/* flattening stuff */
boost::shared_ptr<Region> write_one_track (Track&, samplepos_t start, samplepos_t end,
bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
boost::shared_ptr<Processor> endpoint,
bool include_endpoint, bool for_export, bool for_freeze, std::string const& name);
int freeze_all (InterThreadInfo&);
/* session-wide solo/mute/rec-enable */
bool muted () const;
std::vector<boost::weak_ptr<AutomationControl> > cancel_all_mute ();
bool soloing () const { return _non_soloed_outs_muted; }
bool listening () const;
bool solo_isolated () const { return _solo_isolated_cnt > 0; }
void cancel_all_solo ();
bool solo_selection_active ();
void solo_selection (StripableList&, bool);
void clear_all_solo_state (boost::shared_ptr<RouteList>);
void prepare_momentary_solo (SoloMuteRelease* smr = NULL, bool exclusive = false, boost::shared_ptr<Route> route = boost::shared_ptr<Route> ());
static const SessionEvent::RTeventCallback rt_cleanup;
/* Control-based methods */
void set_controls (boost::shared_ptr<ControlList>, double val, PBD::Controllable::GroupControlDisposition);
void set_control (boost::shared_ptr<AutomationControl>, double val, PBD::Controllable::GroupControlDisposition);
void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others = false);
PBD::Signal1<void,bool> SoloActive;
PBD::Signal0<void> SoloChanged;
PBD::Signal0<void> MuteChanged;
PBD::Signal0<void> IsolatedChanged;
PBD::Signal0<void> MonitorChanged;
PBD::Signal0<void> MonitorBusAddedOrRemoved;
PBD::Signal0<void> session_routes_reconnected;
/* monitor/master out */
int add_master_bus (ChanCount const&);
void reset_monitor_section ();
bool monitor_active() const { return (_monitor_out && _monitor_out->monitor_control () && _monitor_out->monitor_control ()->monitor_active()); }
boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
boost::shared_ptr<Route> master_out() const { return _master_out; }
boost::shared_ptr<GainControl> master_volume () const;
PresentationInfo::order_t master_order_key () const { return _master_out ? _master_out->presentation_info ().order () : -1; }
bool ensure_stripable_sort_order ();
void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
static void set_disable_all_loaded_plugins (bool yn) {
_disable_all_loaded_plugins = yn;
}
static bool get_disable_all_loaded_plugins() {
return _disable_all_loaded_plugins;
}
static void set_bypass_all_loaded_plugins (bool yn) {
_bypass_all_loaded_plugins = yn;
}
static bool get_bypass_all_loaded_plugins() {
return _bypass_all_loaded_plugins;
}
uint32_t next_send_id();
uint32_t next_aux_send_id();
uint32_t next_return_id();
uint32_t next_insert_id();
void mark_send_id (uint32_t);
void mark_aux_send_id (uint32_t);
void mark_return_id (uint32_t);
void mark_insert_id (uint32_t);
void unmark_send_id (uint32_t);
void unmark_aux_send_id (uint32_t);
void unmark_return_id (uint32_t);
void unmark_insert_id (uint32_t);
/* s/w "RAID" management */
boost::optional<samplecnt_t> available_capture_duration();
/* I/O bundles */
void add_bundle (boost::shared_ptr<Bundle>, bool emit_signal = true);
void remove_bundle (boost::shared_ptr<Bundle>);
boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
PBD::Signal0<void> BundleAddedOrRemoved;
void midi_panic ();
/* History (for editors, mixers, UIs etc.) */
/** Undo some transactions.
* @param n Number of transactions to undo.
*/
void undo (uint32_t n);
/** Redo some transactions.
* @param n Number of transactions to undo.
*/
void redo (uint32_t n);
UndoHistory& history() { return _history; }
uint32_t undo_depth() const { return _history.undo_depth(); }
uint32_t redo_depth() const { return _history.redo_depth(); }
std::string next_undo() const { return _history.next_undo(); }
std::string next_redo() const { return _history.next_redo(); }
/** begin collecting undo information
*
* This call must always be followed by either
* begin_reversible_command() or commit_reversible_command()
*
* @param cmd_name human readable name for the undo operation
*/
void begin_reversible_command (const std::string& cmd_name);
void begin_reversible_command (GQuark);
/** abort an open undo command
* This must only be called after begin_reversible_command ()
*/
void abort_reversible_command ();
/** finalize an undo command and commit pending transactions
*
* This must only be called after begin_reversible_command ()
* @param cmd (additional) command to add
*/
void commit_reversible_command (Command* cmd = 0);
void add_command (Command *const cmd);
/** create an StatefulDiffCommand from the given object and add it to the stack.
*
* This function must only be called after begin_reversible_command.
* Failing to do so may lead to a crash.
*
* @param sfd the object to diff
* @returns the allocated StatefulDiffCommand (already added via add_command)
*/
PBD::StatefulDiffCommand* add_stateful_diff_command (boost::shared_ptr<PBD::StatefulDestructible> sfd);
/** @return The list of operations that are currently in progress */
std::list<GQuark> const & current_operations () {
return _current_trans_quarks;
}
bool operation_in_progress (GQuark) const;
/**
* Test if any undo commands were added since the
* call to begin_reversible_command ()
*
* This is useful to determine if an undoable
* action was performed before adding additional
* information (e.g. selection changes) to the
* undo transaction.
*
* @return true if undo operation is valid but empty
*/
bool collected_undo_commands () const {
return _current_trans && !_current_trans->empty ();
}
/**
* Abort reversible command IFF no undo changes
* have been collected.
* @return true if undo operation was aborted.
*/
bool abort_empty_reversible_command ();
void add_commands (std::vector<Command*> const & cmds);
std::map<PBD::ID,PBD::StatefulDestructible*> registry;
// these commands are implemented in libs/ardour/session_command.cc
Command* memento_command_factory(XMLNode* n);
Command* stateful_diff_command_factory (XMLNode *);
void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
/* clicking */
boost::shared_ptr<IO> click_io() { return _click_io; }
boost::shared_ptr<Amp> click_gain() { return _click_gain; }
/* disk, buffer loads */
uint32_t playback_load ();
uint32_t capture_load ();
/* ranges */
void request_play_range (std::list<TimelineRange>*, bool leave_rolling = false);
void request_cancel_play_range ();
bool get_play_range () const { return _play_range; }
void maybe_update_session_range (timepos_t const &, timepos_t const &);
/* preroll */
samplecnt_t preroll_samples (samplepos_t) const;
void request_preroll_record_trim (samplepos_t start, samplecnt_t preroll);
void request_count_in_record ();
samplecnt_t preroll_record_trim_len () const { return _preroll_record_trim_len; }
/* temporary hacks to allow selection to be pushed from GUI into backend.
Whenever we move the selection object into libardour, these will go away.
*/
void set_range_selection (Temporal::timepos_t const & start, Temporal::timepos_t const & end);
void set_object_selection (Temporal::timepos_t const & start, Temporal::timepos_t const & end);
void clear_range_selection ();
void clear_object_selection ();
void cut_copy_section (Temporal::timepos_t const& start, Temporal::timepos_t const& end, Temporal::timepos_t const& to, bool const copy = false);
/* buffers for gain and pan */
gain_t* gain_automation_buffer () const;
gain_t* trim_automation_buffer () const;
gain_t* send_gain_automation_buffer () const;
gain_t* scratch_automation_buffer () const;
pan_t** pan_automation_buffer () const;
void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
/* VST support */
static int vst_current_loading_id;
static const char* vst_can_do_strings[];
static const int vst_can_do_string_count;
static intptr_t vst_callback (
AEffect* effect,
int32_t opcode,
int32_t index,
intptr_t value,
void* ptr,
float opt
);
static PBD::Signal0<void> SendFeedback;
/* Speakers */
boost::shared_ptr<Speakers> get_speakers ();
/* Controllables */
boost::shared_ptr<ARDOUR::Trigger> trigger_by_id (PBD::ID) const;
boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
boost::shared_ptr<AutomationControl> automation_control_by_id (const PBD::ID&);
void add_controllable (boost::shared_ptr<PBD::Controllable>);
boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
boost::shared_ptr<PBD::Controllable> recently_touched_controllable () const;
bool apply_nth_mixer_scene (size_t);
bool apply_nth_mixer_scene (size_t, RouteList const&);
void store_nth_mixer_scene (size_t);
bool nth_mixer_scene_valid (size_t) const;
size_t last_touched_mixer_scene_idx () {return _last_touched_mixer_scene_idx;}
boost::shared_ptr<MixerScene> nth_mixer_scene (size_t, bool create_if_missing = false);
std::vector<boost::shared_ptr<MixerScene>> mixer_scenes () const;
SessionConfiguration config;
SessionConfiguration* cfg () { return &config; }
bool exporting () const {
return _exporting;
}
bool realtime_export() const {
return _realtime_export;
}
bool bounce_processing() const {
return _bounce_processing_active;
}
/* this is a private enum, but setup_enum_writer() needs it,
and i can't find a way to give that function
friend access. sigh.
*/
enum PostTransportWork {
PostTransportStop = 0x1,
PostTransportLocate = 0x2,
PostTransportAbort = 0x8,
PostTransportOverWrite = 0x10,
PostTransportAudition = 0x20,
PostTransportReverse = 0x40,
PostTransportClearSubstate = 0x80,
PostTransportAdjustPlaybackBuffering = 0x100,
PostTransportAdjustCaptureBuffering = 0x200,
PostTransportLoopChanged = 0x400
};
boost::shared_ptr<SessionPlaylists> playlists () const { return _playlists; }
void send_mmc_locate (samplepos_t);
void queue_full_time_code () { _send_timecode_update = true; }
void queue_song_position_pointer () { /* currently does nothing */ }
bool step_editing() const { return (_step_editors > 0); }
void request_suspend_timecode_transmission ();
void request_resume_timecode_transmission ();
bool timecode_transmission_suspended () const;
std::vector<std::string> source_search_path(DataType) const;
void ensure_search_path_includes (const std::string& path, DataType type);
void remove_dir_from_search_path (const std::string& path, DataType type);
std::list<std::string> unknown_processors () const;
std::list<std::string> missing_filesources (DataType) const;
/** Emitted when a feedback cycle has been detected within Ardour's signal
processing path. Until it is fixed (by the user) some (unspecified)
routes will not be run.
*/
static PBD::Signal0<void> FeedbackDetected;
/** Emitted when a graph sort has successfully completed, which means
that it has no feedback cycles.
*/
static PBD::Signal0<void> SuccessfulGraphSort;
/* handlers can return an integer value:
0: config.set_audio_search_path() or config.set_midi_search_path() was used
to modify the search path and we should try to find it again.
1: quit entire session load
2: as 0, but don't ask about other missing files
3: don't ask about other missing files, and just mark this one missing
-1: just mark this one missing
any other value: as -1
*/
static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
void set_missing_file_replacement (const std::string& mfr) {
_missing_file_replacement = mfr;
}
/** Emitted when the session wants Ardour to quit */
static PBD::Signal0<void> Quit;
/** Emitted when Ardour is asked to load a session in an older session
* format, and makes a backup copy.
*/
static PBD::Signal2<void,std::string,std::string> VersionMismatch;
SceneChanger* scene_changer() const { return _scene_changer; }
/* asynchronous MIDI control ports */
boost::shared_ptr<Port> mmc_output_port () const;
boost::shared_ptr<Port> mmc_input_port () const;
boost::shared_ptr<Port> trigger_input_port () const;
boost::shared_ptr<Port> scene_input_port () const;
boost::shared_ptr<Port> scene_output_port () const;
boost::shared_ptr<AsyncMIDIPort> vkbd_output_port () const;
/* synchronous MIDI ports used for synchronization */
boost::shared_ptr<MidiPort> midi_clock_output_port () const;
boost::shared_ptr<MidiPort> mtc_output_port () const;
boost::shared_ptr<Port> ltc_output_port() const { return _ltc_output_port; }
MIDI::MachineControl& mmc() { return *_mmc; }
void reconnect_midi_scene_ports (bool);
void reconnect_mmc_ports (bool);
void reconnect_ltc_output ();
VCAManager& vca_manager() { return *_vca_manager; }
VCAManager* vca_manager_ptr() { return _vca_manager; }
void auto_connect_thread_wakeup ();
double compute_speed_from_master (pframes_t nframes);
bool transport_master_is_external() const;
bool transport_master_no_external_or_using_engine() const;
boost::shared_ptr<TransportMaster> transport_master() const;
void import_pt_sources (PTFFormat& ptf, ImportStatus& status);
void import_pt_rest (PTFFormat& ptf);
bool import_sndfile_as_region (std::string path, SrcQuality quality, timepos_t& pos, SourceList& sources, ImportStatus& status, uint32_t current, uint32_t total);
struct ptflookup {
uint16_t index1;
uint16_t index2;
PBD::ID id;
bool operator ==(const struct ptflookup& other) {
return (this->index1 == other.index1);
}
};
std::vector<struct ptflookup> ptfwavpair;
SourceList pt_imported_sources;
enum TimingTypes {
OverallProcess = 0,
ProcessFunction = 1,
NoRoll = 2,
Roll = 3,
/* end */
NTT = 4
};
PBD::TimingStats dsp_stats[NTT];
int32_t first_cue_within (samplepos_t s, samplepos_t e, bool& was_recorded);
void trigger_cue_row (int32_t);
CueEvents const & cue_events() const { return _cue_events; }
int num_triggerboxes () const;
boost::shared_ptr<TriggerBox> triggerbox_at (int32_t route_index) const;
TriggerPtr trigger_at (int32_t route_index, int32_t row_index) const;
bool bang_trigger_at(int32_t route_index, int32_t row_index);
bool unbang_trigger_at(int32_t route_index, int32_t row_index);
protected:
friend class AudioEngine;
void set_block_size (pframes_t nframes);
void set_sample_rate (samplecnt_t nframes);
friend class Route;
void update_latency_compensation (bool force, bool called_from_backend);
/* transport API */
void locate (samplepos_t, bool for_loop_end=false, bool force=false, bool with_mmc=true);
void stop_transport (bool abort = false, bool clear_state = false);
void start_transport (bool after_loop);
void butler_completed_transport_work ();
void post_locate ();
void schedule_butler_for_transport_work ();
bool should_roll_after_locate () const;
bool user_roll_after_locate () const;
bool should_stop_before_locate () const;
samplepos_t position() const { return _transport_sample; }
void set_transport_speed (double speed);
void set_default_play_speed (double spd);
bool need_declick_before_locate () const;
void tempo_map_changed ();
private:
int create (const std::string& mix_template, BusProfile const *, bool unnamed);
void destroy ();
static guint _name_id_counter;
static void init_name_id_counter (guint n);
static unsigned int name_id_counter ();
boost::shared_ptr<SessionPlaylists> _playlists;
/* stuff used in process() should be close together to
maximise cache hits
*/
typedef void (Session::*process_function_type)(pframes_t);
AudioEngine& _engine;
process_function_type process_function;
process_function_type last_process_function;
bool _bounce_processing_active;
bool waiting_for_sync_offset;
samplecnt_t _base_sample_rate; // sample-rate of the session at creation time, "native" SR
samplecnt_t _nominal_sample_rate; // overridden by audioengine setting
samplecnt_t _current_sample_rate; // this includes video pullup offset
samplepos_t _transport_sample;
GATOMIC_QUAL gint _seek_counter;
GATOMIC_QUAL gint _butler_seek_counter;
Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
bool _session_range_is_free;
bool _silent;
samplecnt_t _remaining_latency_preroll;
size_t _last_touched_mixer_scene_idx;
// varispeed playback -- TODO: move out of session to backend.
double _engine_speed;
double _signalled_varispeed;
bool auto_play_legal;
samplepos_t _requested_return_sample;
pframes_t current_block_size;
samplecnt_t _worst_output_latency;
samplecnt_t _worst_input_latency;
samplecnt_t _worst_route_latency;
samplecnt_t _io_latency;
uint32_t _send_latency_changes;
bool _update_send_delaylines;
bool _have_captured;
samplecnt_t _capture_duration;
unsigned int _capture_xruns;
unsigned int _export_xruns;
bool _non_soloed_outs_muted;
bool _listening;
uint32_t _listen_cnt;
uint32_t _solo_isolated_cnt;
bool _writable;
bool _was_seamless;
bool _under_nsm_control;
unsigned int _xrun_count;
std::string _missing_file_replacement;
mutable GATOMIC_QUAL gint _processing_prohibited;
mutable GATOMIC_QUAL gint _record_status;
void add_monitor_section ();
void remove_monitor_section ();
void update_latency (bool playback);
void set_owned_port_public_latency (bool playback);
bool update_route_latency (bool reverse, bool apply_to_delayline, bool* delayline_update_needed);
void initialize_latencies ();
void set_worst_output_latency ();
void set_worst_input_latency ();
void send_latency_compensation_change ();
void update_send_delaylines ();
void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
void process_scrub (pframes_t);
void process_without_events (pframes_t);
void process_with_events (pframes_t);
void process_audition (pframes_t);
void process_export (pframes_t);
void process_export_fw (pframes_t);
samplecnt_t calc_preroll_subcycle (samplecnt_t) const;
void block_processing();
void unblock_processing() { g_atomic_int_set (&_processing_prohibited, 0); }
bool processing_blocked() const { return g_atomic_int_get (&_processing_prohibited); }
static const samplecnt_t bounce_chunk_size;
/* Transport master DLL */
enum TransportMasterState {
Stopped, /* no incoming or invalid signal/data for master to run with */
Waiting, /* waiting to get full lock on incoming signal/data */
Running /* lock achieved, master is generating meaningful speed & position */
};
samplepos_t master_wait_end;
enum TransportMasterAction {
TransportMasterRelax,
TransportMasterNoRoll,
TransportMasterLocate,
TransportMasterStart,
TransportMasterStop,
TransportMasterWait,
};
struct TransportMasterStrategy {
TransportMasterAction action;
samplepos_t target;
LocateTransportDisposition roll_disposition;
double catch_speed;
TransportMasterStrategy ()
: action (TransportMasterRelax)
, target (0)
, roll_disposition (MustStop)
, catch_speed (0.) {}
};
TransportMasterStrategy transport_master_strategy;
double plan_master_strategy (pframes_t nframes, double master_speed, samplepos_t master_transport_sample, double catch_speed);
double plan_master_strategy_engine (pframes_t nframes, double master_speed, samplepos_t master_transport_sample, double catch_speed);
bool implement_master_strategy ();
bool follow_transport_master (pframes_t nframes);
void sync_source_changed (SyncSource, samplepos_t pos, pframes_t cycle_nframes);
bool post_export_sync;
samplepos_t post_export_position;
bool _exporting;
bool _export_rolling;
bool _realtime_export;
bool _region_export;
samplepos_t _export_preroll;
boost::shared_ptr<ExportHandler> export_handler;
boost::shared_ptr<ExportStatus> export_status;
int pre_export ();
int stop_audio_export ();
void finalize_audio_export (TransportRequestSource trs);
void finalize_export_internal (bool stop_freewheel);
bool _pre_export_mmc_enabled;
PBD::ScopedConnection export_freewheel_connection;
void get_track_statistics ();
int process_routes (pframes_t, bool& need_butler);
int silent_process_routes (pframes_t, bool& need_butler);
/** @return 1 if there is a pending declick fade-in,
-1 if there is a pending declick fade-out,
0 if there is no pending declick.
*/
bool maybe_stop (samplepos_t limit);
bool maybe_sync_start (pframes_t &);
std::string _path;
std::string _name;
bool _is_new;
bool _send_qf_mtc;
/** Number of process samples since the last MTC output (when sending MTC); used to
* know when to send full MTC messages every so often.
*/
pframes_t _pframes_since_last_mtc;
bool play_loop;
bool loop_changing;
samplepos_t last_loopend;
boost::scoped_ptr<SessionDirectory> _session_dir;
void hookup_io ();
void graph_reordered (bool called_from_backend);
/** current snapshot name, without the .ardour suffix */
void set_snapshot_name (const std::string &);
void save_snapshot_name (const std::string &);
std::string _current_snapshot_name;
XMLTree* state_tree;
bool state_was_pending;
StateOfTheState _state_of_the_state;
friend class StateProtector;
GATOMIC_QUAL gint _suspend_save;
volatile bool _save_queued;
volatile bool _save_queued_pending;
Glib::Threads::Mutex save_state_lock;
Glib::Threads::Mutex save_source_lock;
Glib::Threads::Mutex peak_cleanup_lock;
int load_options (const XMLNode&);
int load_state (std::string snapshot_name, bool from_template = false);
static int parse_stateful_loading_version (const std::string&);
samplepos_t _last_roll_location;
/** the session sample time at which we last rolled, located, or changed transport direction */
samplepos_t _last_roll_or_reversal_location;
samplepos_t _last_record_location;
bool pending_abort;
bool pending_auto_loop;
PBD::ReallocPool _mempool;
LuaState lua;
mutable Glib::Threads::Mutex lua_lock;
luabridge::LuaRef * _lua_run;
luabridge::LuaRef * _lua_add;
luabridge::LuaRef * _lua_del;
luabridge::LuaRef * _lua_list;
luabridge::LuaRef * _lua_load;
luabridge::LuaRef * _lua_save;
luabridge::LuaRef * _lua_cleanup;
uint32_t _n_lua_scripts;
void setup_lua ();
void try_run_lua (pframes_t);
SerializedRCUManager<IOPlugList> _io_plugins;
std::vector<boost::shared_ptr<MixerScene>> _mixer_scenes;
mutable Glib::Threads::RWLock _mixer_scenes_lock;
Butler* _butler;
TransportFSM* _transport_fsm;
static const PostTransportWork ProcessCannotProceedMask = PostTransportWork (PostTransportAudition);
GATOMIC_QUAL gint _post_transport_work; /* accessed only atomic ops */
PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<GATOMIC_QUAL gint*> (&_post_transport_work)); }
void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
void add_post_transport_work (PostTransportWork ptw);
void schedule_playback_buffering_adjustment ();
void schedule_capture_buffering_adjustment ();
Locations* _locations;
void location_added (Location*);
void location_removed (Location*);
void locations_changed ();
void _locations_changed (const Locations::LocationList&);
void update_skips (Location*, bool consolidate);
void update_marks (Location* loc);
void consolidate_skips (Location*);
void sync_locations_to_skips ();
void _sync_locations_to_skips ();
PBD::ScopedConnectionList skip_update_connections;
bool _ignore_skips_updates;
PBD::ScopedConnectionList punch_connections;
void auto_punch_start_changed (Location *);
void auto_punch_end_changed (Location *);
void auto_punch_changed (Location *);
PBD::ScopedConnectionList loop_connections;
void auto_loop_changed (Location *);
void pre_engine_init (std::string path);
int post_engine_init ();
int immediately_post_engine ();
void remove_empty_sounds ();
void session_loaded ();
void setup_midi_control ();
int midi_read (MIDI::Port *);
void enable_record ();
void increment_transport_position (samplecnt_t val) {
if (max_samplepos - val < _transport_sample) {
_transport_sample = max_samplepos;
} else {
_transport_sample += val;
}
}
void decrement_transport_position (samplecnt_t val) {
if (val < _transport_sample) {
_transport_sample -= val;
} else {
_transport_sample = 0;
}
}
void post_transport_motion ();
static void *session_loader_thread (void *arg);
void *do_work();
/* Signal Forwarding */
void emit_route_signals ();
void emit_thread_run ();
static void *emit_thread (void *);
void emit_thread_start ();
void emit_thread_terminate ();
pthread_t _rt_emit_thread;
bool _rt_thread_active;
pthread_mutex_t _rt_emit_mutex;
pthread_cond_t _rt_emit_cond;
bool _rt_emit_pending;
/* Auto Connect Thread */
static void *auto_connect_thread (void *);
void auto_connect_thread_run ();
void auto_connect_thread_start ();
void auto_connect_thread_terminate ();
pthread_t _auto_connect_thread;
gint _ac_thread_active;
pthread_mutex_t _auto_connect_mutex;
pthread_cond_t _auto_connect_cond;
struct AutoConnectRequest {
public:
AutoConnectRequest (boost::shared_ptr <Route> r,
bool ci, bool co,
const ChanCount& is,
const ChanCount& os,
const ChanCount& io,
const ChanCount& oo)
: route (boost::weak_ptr<Route> (r))
, connect_inputs (ci)
, connect_outputs (co)
, input_start (is)
, output_start (os)
, input_offset (io)
, output_offset (oo)
{}
boost::weak_ptr <Route> route;
bool connect_inputs;
bool connect_outputs;
ChanCount input_start;
ChanCount output_start;
ChanCount input_offset;
ChanCount output_offset;
};
Glib::Threads::Mutex _update_latency_lock;
typedef std::queue<AutoConnectRequest> AutoConnectQueue;
Glib::Threads::Mutex _auto_connect_queue_lock;
AutoConnectQueue _auto_connect_queue;
GATOMIC_QUAL guint _latency_recompute_pending;
void get_physical_ports (std::vector<std::string>& inputs, std::vector<std::string>& outputs, DataType type,
MidiPortFlags include = MidiPortFlags (0),
MidiPortFlags exclude = MidiPortFlags (0));
void auto_connect (const AutoConnectRequest&);
void queue_latency_recompute ();
/* SessionEventManager interface */
void process_event (SessionEvent*);
void set_next_event ();
void cleanup_event (SessionEvent*,int);
/* MIDI Machine Control */
void spp_start ();
void spp_continue ();
void spp_stop ();
void mmc_deferred_play (MIDI::MachineControl &);
void mmc_stop (MIDI::MachineControl &);
void mmc_step (MIDI::MachineControl &, int);
void mmc_pause (MIDI::MachineControl &);
void mmc_record_pause (MIDI::MachineControl &);
void mmc_record_strobe (MIDI::MachineControl &);
void mmc_record_exit (MIDI::MachineControl &);
void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
void mmc_fast_forward (MIDI::MachineControl &);
void mmc_rewind (MIDI::MachineControl &);
void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
struct timeval last_mmc_step;
double step_speed;
typedef boost::function<bool()> MidiTimeoutCallback;
typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
MidiTimeoutList midi_timeouts;
bool mmc_step_timeout ();
void send_immediate_mmc (MIDI::MachineControlCommand);
MIDI::byte mtc_msg[16];
MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
MIDI::byte midi_msg[16];
double outbound_mtc_timecode_frame;
Timecode::Time transmitting_timecode_time;
int next_quarter_frame_to_send;
double _samples_per_timecode_frame; /* has to be floating point because of drop sample */
samplecnt_t _frames_per_hour;
samplecnt_t _timecode_frames_per_hour;
/* cache the most-recently requested time conversions. This helps when we
* have multiple clocks showing the same time (e.g. the transport sample) */
bool last_timecode_valid;
samplepos_t last_timecode_when;
Timecode::Time last_timecode;
bool _send_timecode_update; ///< Flag to send a full sample (Timecode) MTC message this cycle
int send_midi_time_code_for_cycle (samplepos_t, samplepos_t, pframes_t nframes);
LTCEncoder* ltc_encoder;
ltcsnd_sample_t* ltc_enc_buf;
Timecode::TimecodeFormat ltc_enc_tcformat;
int32_t ltc_buf_off;
int32_t ltc_buf_len;
double ltc_speed;
int32_t ltc_enc_byte;
samplepos_t ltc_enc_pos;
double ltc_enc_cnt;
samplepos_t ltc_enc_off;
bool restarting;
samplepos_t ltc_prev_cycle;
samplepos_t ltc_timecode_offset;
bool ltc_timecode_negative_offset;
LatencyRange ltc_out_latency;
LatencyRange mtc_out_latency;
void ltc_tx_initialize();
void ltc_tx_cleanup();
void ltc_tx_reset();
void ltc_tx_resync_latency (bool);
void ltc_tx_recalculate_position();
void ltc_tx_parse_offset();
PBD::ScopedConnectionList ltc_tx_connections;
void reset_record_status ();
int no_roll (pframes_t nframes);
int fail_roll (pframes_t nframes);
bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
MidiControlUI* midi_control_ui;
int start_midi_thread ();
bool should_ignore_transport_request (TransportRequestSource, TransportRequestType);
void set_play_loop (bool yn, bool change_transport_state);
void unset_play_loop (bool change_transport_state = false);
void overwrite_some_buffers (boost::shared_ptr<Route>, OverwriteReason);
void flush_all_inserts ();
int micro_locate (samplecnt_t distance);
enum PunchLoopLock {
NoConstraint,
OnlyPunch,
OnlyLoop,
};
GATOMIC_QUAL gint _punch_or_loop; // enum PunchLoopLock
GATOMIC_QUAL gint _current_usecs_per_track;
bool punch_active () const;
void unset_punch ();
void reset_punch_loop_constraint ();
bool maybe_allow_only_loop (bool play_loop = false);
bool maybe_allow_only_punch ();
void force_locate (samplepos_t sample, LocateTransportDisposition);
void realtime_stop (bool abort, bool clear_state);
void realtime_locate (bool);
void non_realtime_start_scrub ();
void non_realtime_set_speed ();
void non_realtime_locate ();
void non_realtime_stop (bool abort, int entry_request_count, bool& finished, bool will_locate);
void non_realtime_overwrite (int entry_request_count, bool& finished, bool reset_loop_declicks);
void engine_halted ();
void engine_running ();
void xrun_recovery ();
void set_track_loop (bool);
bool select_playhead_priority_target (samplepos_t&);
void follow_playhead_priority ();
void flush_cue_recording ();
/* These are synchronous and so can only be called from within the process
* cycle
*/
void mtc_tx_resync_latency (bool);
int send_full_time_code (samplepos_t, pframes_t nframes);
void send_song_position_pointer (samplepos_t);
/* edit/mix groups */
int load_route_groups (const XMLNode&, int);
std::list<RouteGroup *> _route_groups;
RouteGroup* _all_route_group;
/* routes stuff */
SerializedRCUManager<RouteList> routes;
void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t);
void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t);
bool _adding_routes_in_progress;
bool _reconnecting_routes_in_progress;
bool _route_deletion_in_progress;
bool _route_reorder_in_progress;
void load_and_connect_instruments (RouteList&,
bool strict_io,
boost::shared_ptr<PluginInfo> instrument,
Plugin::PresetRecord* pset,
ChanCount& existing_outputs
);
boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
boost::shared_ptr<Route> XMLRouteFactory_3X (const XMLNode&, int);
void route_processors_changed (RouteProcessorChange);
bool find_route_name (std::string const &, uint32_t& id, std::string& name, bool);
void count_existing_track_channels (ChanCount& in, ChanCount& out);
void auto_connect_route (boost::shared_ptr<Route>, bool, bool, const ChanCount&, const ChanCount&, const ChanCount& io = ChanCount(), const ChanCount& oo = ChanCount());
void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
/* track numbering */
void reassign_track_numbers ();
uint32_t _track_number_decimals;
/* solo/mute/notifications */
void route_listen_changed (PBD::Controllable::GroupControlDisposition, boost::weak_ptr<Route>);
void route_mute_changed ();
void route_solo_changed (bool self_solo_change, PBD::Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route>);
void route_solo_isolated_changed (boost::weak_ptr<Route>);
void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
void listen_position_changed ();
void solo_control_mode_changed ();
/* REGION MANAGEMENT */
mutable Glib::Threads::Mutex region_lock;
int load_regions (const XMLNode& node);
int load_compounds (const XMLNode& node);
void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
void route_group_property_changed (RouteGroup *);
/* SOURCES */
mutable Glib::Threads::Mutex source_lock;
public:
/* Emited when a new source is added to the session */
PBD::Signal1< void, boost::weak_ptr<Source> > SourceAdded;
PBD::Signal1< void, boost::weak_ptr<Source> > SourceRemoved;
typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
void foreach_source (boost::function<void( boost::shared_ptr<Source> )> f) {
Glib::Threads::Mutex::Lock ls (source_lock);
for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
f ( (*i).second );
}
}
bool playlist_is_active( boost::shared_ptr<Playlist>);
ARDOUR::CueMarkers pending_source_markers; // source markers created while recording
private:
void reset_write_sources (bool mark_write_complete, bool force = false);
SourceMap sources;
int load_sources (const XMLNode& node);
XMLNode& get_sources_as_xml ();
boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
/* PLAYLISTS */
void remove_playlist (boost::weak_ptr<Playlist>);
void track_playlist_changed (boost::weak_ptr<Track>);
void playlist_region_added (boost::weak_ptr<Region>);
void playlist_ranges_moved (std::list<Temporal::RangeMove> const &);
void playlist_regions_extended (std::list<Temporal::Range> const &);
/* CURVES and AUTOMATION LISTS */
std::map<PBD::ID, AutomationList*> automation_lists;
/** load 2.X Sessions. Diskstream-ID to playlist-name mapping */
std::map<PBD::ID, std::string> _diskstreams_2X;
/* DEFAULT FADE CURVES */
float default_fade_steepness;
float default_fade_msecs;
/* AUDITIONING */
boost::shared_ptr<Auditioner> auditioner;
void set_audition (boost::shared_ptr<Region>);
void non_realtime_set_audition ();
boost::shared_ptr<Region> pending_audition_region;
/* EXPORT */
/* FLATTEN */
int flatten_one_track (AudioTrack&, samplepos_t start, samplecnt_t cnt);
/* INSERT AND SEND MANAGEMENT */
boost::dynamic_bitset<uint32_t> send_bitset;
boost::dynamic_bitset<uint32_t> aux_send_bitset;
boost::dynamic_bitset<uint32_t> return_bitset;
boost::dynamic_bitset<uint32_t> insert_bitset;
/* S/W RAID */
struct space_and_path {
uint32_t blocks; ///< 4kB blocks
bool blocks_unknown; ///< true if blocks is unknown
std::string path;
space_and_path ()
: blocks (0)
, blocks_unknown (true)
{}
};
struct space_and_path_ascending_cmp {
bool operator() (space_and_path a, space_and_path b) {
if (a.blocks_unknown != b.blocks_unknown) {
return !a.blocks_unknown;
}
return a.blocks > b.blocks;
}
};
void setup_raid_path (std::string path);
std::vector<space_and_path> session_dirs;
std::vector<space_and_path>::iterator last_rr_session_dir;
uint32_t _total_free_4k_blocks;
/** If this is true, _total_free_4k_blocks is not definite,
as one or more of the session directories' filesystems
could not report free space.
*/
bool _total_free_4k_blocks_uncertain;
Glib::Threads::Mutex space_lock;
bool no_questions_about_missing_files;
std::string get_best_session_directory_for_new_audio ();
mutable GATOMIC_QUAL gint _playback_load;
mutable GATOMIC_QUAL gint _capture_load;
/* I/O bundles */
SerializedRCUManager<BundleList> _bundles;
XMLNode* _bundle_xml_node;
int load_bundles (XMLNode const &);
UndoHistory _history;
/** current undo transaction, or 0 */
UndoTransaction* _current_trans;
/** GQuarks to describe the reversible commands that are currently in progress.
* These may be nested, in which case more recently-started commands are toward
* the front of the list.
*/
std::list<GQuark> _current_trans_quarks;
int backend_sync_callback (TransportState, samplepos_t);
void process_rtop (SessionEvent*);
enum snapshot_t {
NormalSave,
SnapshotKeep,
SwitchToSnapshot
};
XMLNode& state (bool save_template,
snapshot_t snapshot_type = NormalSave,
bool for_archive = false,
bool only_used_assets = false) const;
XMLNode& get_state () const;
int set_state (const XMLNode& node, int version); // not idempotent
XMLNode& get_template ();
bool maybe_copy_midifile (snapshot_t, boost::shared_ptr<Source> src, XMLNode*);
void collect_sources_of_this_snapshot (std::set<boost::shared_ptr<Source>>&, bool incl_unused = true) const;
/* click track */
typedef std::list<Click*> Clicks;
Clicks clicks;
bool _clicking;
bool _click_rec_only;
boost::shared_ptr<IO> _click_io;
boost::shared_ptr<Amp> _click_gain;
Sample* click_data;
Sample* click_emphasis_data;
samplecnt_t click_length;
samplecnt_t click_emphasis_length;
mutable Glib::Threads::RWLock click_lock;
samplecnt_t _click_io_latency;
PBD::ScopedConnection _click_io_connection;
static const Sample default_click[];
static const samplecnt_t default_click_length;
static const Sample default_click_emphasis[];
static const samplecnt_t default_click_emphasis_length;
Click* get_click();
samplepos_t _clicks_cleared;
samplecnt_t _count_in_samples;
void setup_click_sounds (int which);
void setup_click_sounds (Sample**, Sample const *, samplecnt_t*, samplecnt_t, std::string const &);
void clear_clicks ();
void click (samplepos_t start, samplecnt_t nframes);
void run_click (samplepos_t start, samplecnt_t nframes);
void add_click (samplepos_t pos, bool emphasis);
void click_io_resync_latency (bool);
/* range playback */
std::list<TimelineRange> current_audio_range;
bool _play_range;
void set_play_range (std::list<TimelineRange>&, bool leave_rolling);
void unset_play_range ();
/* temporary hacks to allow selection to be pushed from GUI into backend
Whenever we move the selection object into libardour, these will go away.
*/
Temporal::Range _range_selection;
Temporal::Range _object_selection;
void unset_preroll_record_trim ();
samplecnt_t _preroll_record_trim_len;
bool _count_in_once;
/* main outs */
uint32_t main_outs;
boost::shared_ptr<Route> _master_out;
boost::shared_ptr<Route> _monitor_out;
void auto_connect_master_bus ();
void setup_route_monitor_sends (bool enable, bool need_process_lock);
int find_all_sources (std::string path, std::set<std::string>& result);
int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
Glib::Threads::Mutex controllables_lock;
Controllables controllables;
boost::shared_ptr<PBD::Controllable> _solo_cut_control;
void controllable_touched (boost::weak_ptr<PBD::Controllable>);
boost::weak_ptr<PBD::Controllable> _recently_touched_controllable;
void reset_native_file_format();
bool first_file_data_format_reset;
bool first_file_header_format_reset;
void config_changed (std::string, bool);
XMLNode& get_control_protocol_state () const;
void set_history_depth (uint32_t depth);
static bool _disable_all_loaded_plugins;
static bool _bypass_all_loaded_plugins;
mutable bool have_looped; ///< Used in \ref audible_sample
void update_route_record_state ();
GATOMIC_QUAL gint _have_rec_enabled_track;
GATOMIC_QUAL gint _have_rec_disabled_track;
static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
/* realtime "apply to set of routes" operations */
template<typename T> SessionEvent*
get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
void (Session::*method) (boost::shared_ptr<RouteList>, T, PBD::Controllable::GroupControlDisposition)) {
SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
ev->rt_return = after;
ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
return ev;
}
/* specialized version realtime "apply to set of routes" operations */
template<typename T1, typename T2> SessionEvent*
get_rt_event (boost::shared_ptr<RouteList> rl, T1 t1arg, T2 t2arg, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
void (Session::*method) (boost::shared_ptr<RouteList>, T1, T2, PBD::Controllable::GroupControlDisposition)) {
SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
ev->rt_slot = boost::bind (method, this, rl, t1arg, t2arg, group_override);
ev->rt_return = after;
ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
return ev;
}
/* specialized version realtime "apply to set of controls" operations */
SessionEvent* get_rt_event (boost::shared_ptr<WeakControlList> cl, double arg, PBD::Controllable::GroupControlDisposition group_override) {
SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
ev->rt_slot = boost::bind (&Session::rt_set_controls, this, cl, arg, group_override);
ev->rt_return = Session::rt_cleanup;
ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
return ev;
}
void rt_set_controls (boost::shared_ptr<WeakControlList>, double val, PBD::Controllable::GroupControlDisposition group_override);
void rt_clear_all_solo_state (boost::shared_ptr<RouteList>, bool yn, PBD::Controllable::GroupControlDisposition group_override);
void setup_midi_machine_control ();
void step_edit_status_change (bool);
uint32_t _step_editors;
/** true if timecode transmission by the transport is suspended, otherwise false */
mutable GATOMIC_QUAL gint _suspend_timecode_transmission;
void start_time_changed (samplepos_t);
void end_time_changed (samplepos_t);
void set_track_monitor_input_status (bool);
samplepos_t compute_stop_limit () const;
boost::shared_ptr<Speakers> _speakers;
void load_nested_sources (const XMLNode& node);
/** The directed graph of routes that is currently being used for audio processing
* and solo/mute computations.
*/
GraphEdges _current_route_graph;
friend class IOPlug;
boost::shared_ptr<Graph> _process_graph;
boost::shared_ptr<GraphChain> _graph_chain;
boost::shared_ptr<GraphChain> _io_graph_chain[2];
void resort_routes_using (boost::shared_ptr<RouteList>);
void resort_io_plugs ();
bool rechain_process_graph (GraphNodeList&);
bool rechain_ioplug_graph (bool);
void ensure_route_presentation_info_gap (PresentationInfo::order_t, uint32_t gap_size);
friend class ProcessorChangeBlocker;
GATOMIC_QUAL gint _ignore_route_processor_changes;
GATOMIC_QUAL gint _ignored_a_processor_change;
MidiClockTicker* midi_clock;
boost::shared_ptr<Port> _ltc_output_port;
boost::shared_ptr<RTTaskList> _rt_tasklist;
/* Scene Changing */
SceneChanger* _scene_changer;
/* persistent, non-track related MIDI ports */
MidiPortManager* _midi_ports;
MIDI::MachineControl* _mmc;
void setup_ltc ();
void setup_click ();
void setup_click_state (const XMLNode*);
void setup_bundles ();
void save_as_bring_callback (uint32_t, uint32_t, std::string);
static const uint32_t session_end_shift;
std::string _template_state_dir;
VCAManager* _vca_manager;
boost::shared_ptr<Route> get_midi_nth_route_by_id (PresentationInfo::order_t n) const;
std::string created_with;
void midi_track_presentation_info_changed (PBD::PropertyChange const &, boost::weak_ptr<MidiTrack>);
void rewire_selected_midi (boost::shared_ptr<MidiTrack>);
void rewire_midi_selection_ports ();
void disconnect_port_for_rewire (std::string const& port) const;
boost::weak_ptr<MidiTrack> current_midi_target;
StripableList _soloSelection; //the items that are soloe'd during a solo-selection operation; need to unsolo after the roll
CoreSelection* _selection;
bool _global_locate_pending;
boost::optional<samplepos_t> _nominal_jack_transport_sample;
bool _had_destructive_tracks;
std::string unnamed_file_name () const;
GATOMIC_QUAL gint _update_pretty_names;
void setup_thread_local_variables ();
void cue_marker_change (Location*);
struct CueEventTimeComparator {
bool operator() (CueEvent const & c, samplepos_t s) {
return c.time < s;
}
};
CueEvents _cue_events;
void sync_cues ();
void sync_cues_from_list (Locations::LocationList const &);
std::atomic<int32_t> _pending_cue;
std::atomic<int32_t> _active_cue;
void maybe_find_pending_cue ();
void clear_active_cue ();
int tb_with_filled_slots;
void handle_slots_empty_status (boost::weak_ptr<Route> const &);
};
} // namespace ARDOUR
#endif /* __ardour_session_h__ */
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