ardour/libs/ardour/ardour/playlist.h

386 lines
14 KiB
C++

/*
Copyright (C) 2000 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_playlist_h__
#define __ardour_playlist_h__
#include <string>
#include <set>
#include <map>
#include <list>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/utility.hpp>
#include <sys/stat.h>
#include <glib.h>
#include "pbd/undo.h"
#include "pbd/stateful.h"
#include "pbd/statefuldestructible.h"
#include "pbd/sequence_property.h"
#include "evoral/types.hpp"
#include "ardour/ardour.h"
#include "ardour/session_object.h"
#include "ardour/data_type.h"
namespace ARDOUR {
class Session;
class Region;
class Playlist;
class Crossfade;
namespace Properties {
/* fake the type, since regions are handled by SequenceProperty which doesn't
care about such things.
*/
extern PBD::PropertyDescriptor<bool> regions;
}
class RegionListProperty : public PBD::SequenceProperty<std::list<boost::shared_ptr<Region> > >
{
public:
RegionListProperty (Playlist&);
RegionListProperty* clone () const;
void get_content_as_xml (boost::shared_ptr<Region>, XMLNode &) const;
boost::shared_ptr<Region> get_content_from_xml (XMLNode const &) const;
private:
RegionListProperty* create () const;
/* copy construction only by ourselves */
RegionListProperty (RegionListProperty const & p);
friend class Playlist;
/* we live and die with our playlist, no lifetime management needed */
Playlist& _playlist;
};
class Playlist : public SessionObject , public boost::enable_shared_from_this<Playlist>
{
public:
typedef std::list<boost::shared_ptr<Region> > RegionList;
static void make_property_quarks ();
Playlist (Session&, const XMLNode&, DataType type, bool hidden = false);
Playlist (Session&, std::string name, DataType type, bool hidden = false);
Playlist (boost::shared_ptr<const Playlist>, std::string name, bool hidden = false);
Playlist (boost::shared_ptr<const Playlist>, framepos_t start, framecnt_t cnt, std::string name, bool hidden = false);
virtual ~Playlist ();
void update (const RegionListProperty::ChangeRecord&);
void clear_owned_changes ();
void rdiff (std::vector<Command*>&) const;
boost::shared_ptr<Region> region_by_id (const PBD::ID&) const;
uint32_t max_source_level () const;
void set_region_ownership ();
virtual void clear (bool with_signals=true);
virtual void dump () const;
void use();
void release();
bool used () const { return _refcnt != 0; }
bool set_name (const std::string& str);
int sort_id() { return _sort_id; }
const DataType& data_type() const { return _type; }
bool frozen() const { return _frozen; }
void set_frozen (bool yn);
bool hidden() const { return _hidden; }
bool empty() const;
uint32_t n_regions() const;
std::pair<framepos_t, framepos_t> get_extent () const;
layer_t top_layer() const;
EditMode get_edit_mode() const { return _edit_mode; }
void set_edit_mode (EditMode);
/* Editing operations */
void add_region (boost::shared_ptr<Region>, framepos_t position, float times = 1, bool auto_partition = false);
void remove_region (boost::shared_ptr<Region>);
void remove_region_by_source (boost::shared_ptr<Source>);
void get_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
void get_region_list_equivalent_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >&);
void replace_region (boost::shared_ptr<Region> old, boost::shared_ptr<Region> newr, framepos_t pos);
void split_region (boost::shared_ptr<Region>, framepos_t position);
void split (framepos_t at);
void shift (framepos_t at, frameoffset_t distance, bool move_intersected, bool ignore_music_glue);
void partition (framepos_t start, framepos_t end, bool cut = false);
void duplicate (boost::shared_ptr<Region>, framepos_t position, float times);
void nudge_after (framepos_t start, framecnt_t distance, bool forwards);
boost::shared_ptr<Region> combine (const RegionList&);
void uncombine (boost::shared_ptr<Region>);
void shuffle (boost::shared_ptr<Region>, int dir);
void update_after_tempo_map_change ();
boost::shared_ptr<Playlist> cut (std::list<AudioRange>&, bool result_is_hidden = true);
boost::shared_ptr<Playlist> copy (std::list<AudioRange>&, bool result_is_hidden = true);
int paste (boost::shared_ptr<Playlist>, framepos_t position, float times);
const RegionListProperty& region_list () const { return regions; }
RegionList* regions_at (framepos_t frame);
uint32_t count_regions_at (framepos_t) const;
uint32_t count_joined_regions () const;
RegionList* regions_touched (framepos_t start, framepos_t end);
RegionList* regions_to_read (framepos_t start, framepos_t end);
uint32_t region_use_count (boost::shared_ptr<Region>) const;
boost::shared_ptr<Region> find_region (const PBD::ID&) const;
boost::shared_ptr<Region> top_region_at (framepos_t frame);
boost::shared_ptr<Region> top_unmuted_region_at (framepos_t frame);
boost::shared_ptr<Region> find_next_region (framepos_t frame, RegionPoint point, int dir);
framepos_t find_next_region_boundary (framepos_t frame, int dir);
bool region_is_shuffle_constrained (boost::shared_ptr<Region>);
bool has_region_at (framepos_t const) const;
bool uses_source (boost::shared_ptr<const Source> src) const;
framepos_t find_next_transient (framepos_t position, int dir);
void foreach_region (boost::function<void (boost::shared_ptr<Region>)>);
XMLNode& get_state ();
int set_state (const XMLNode&, int version);
XMLNode& get_template ();
PBD::Signal1<void,bool> InUse;
PBD::Signal0<void> ContentsChanged;
PBD::Signal1<void,boost::weak_ptr<Region> > RegionAdded;
PBD::Signal1<void,boost::weak_ptr<Region> > RegionRemoved;
PBD::Signal0<void> NameChanged;
PBD::Signal0<void> LayeringChanged;
/** Emitted when regions have moved (not when regions have only been trimmed) */
PBD::Signal2<void,std::list< Evoral::RangeMove<framepos_t> > const &, bool> RangesMoved;
/** Emitted when regions are extended; the ranges passed are the new extra time ranges
that these regions now occupy.
*/
PBD::Signal1<void,std::list< Evoral::Range<framepos_t> > const &> RegionsExtended;
static std::string bump_name (std::string old_name, Session&);
void freeze ();
void thaw (bool from_undo = false);
void raise_region (boost::shared_ptr<Region>);
void lower_region (boost::shared_ptr<Region>);
void raise_region_to_top (boost::shared_ptr<Region>);
void lower_region_to_bottom (boost::shared_ptr<Region>);
const PBD::ID& get_orig_track_id () const { return _orig_track_id; }
void set_orig_track_id (const PBD::ID& did);
/* destructive editing */
virtual bool destroy_region (boost::shared_ptr<Region>) = 0;
void sync_all_regions_with_regions ();
/* special case function used by UI selection objects, which have playlists that actually own the regions
within them.
*/
void drop_regions ();
virtual boost::shared_ptr<Crossfade> find_crossfade (const PBD::ID &) const {
return boost::shared_ptr<Crossfade> ();
}
framepos_t find_next_top_layer_position (framepos_t) const;
uint32_t combine_ops() const { return _combine_ops; }
uint64_t highest_layering_index () const;
protected:
friend class Session;
protected:
struct RegionLock {
RegionLock (Playlist *pl, bool do_block_notify = true) : playlist (pl), block_notify (do_block_notify) {
playlist->region_lock.lock();
if (block_notify) {
playlist->delay_notifications();
}
}
~RegionLock() {
playlist->region_lock.unlock();
if (block_notify) {
playlist->release_notifications ();
}
}
Playlist *playlist;
bool block_notify;
};
friend class RegionLock;
RegionListProperty regions; /* the current list of regions in the playlist */
std::set<boost::shared_ptr<Region> > all_regions; /* all regions ever added to this playlist */
PBD::ScopedConnectionList region_state_changed_connections;
DataType _type;
int _sort_id;
mutable gint block_notifications;
mutable gint ignore_state_changes;
mutable Glib::RecMutex region_lock;
std::set<boost::shared_ptr<Region> > pending_adds;
std::set<boost::shared_ptr<Region> > pending_removes;
RegionList pending_bounds;
bool pending_contents_change;
bool pending_layering;
/** Movements of time ranges caused by region moves; note that
* region trims are not included in this list; it is used to
* do automation-follows-regions.
*/
std::list< Evoral::RangeMove<framepos_t> > pending_range_moves;
/** Extra sections added to regions during trims */
std::list< Evoral::Range<framepos_t> > pending_region_extensions;
bool save_on_thaw;
std::string last_save_reason;
uint32_t in_set_state;
bool in_update;
bool first_set_state;
bool _hidden;
bool _splicing;
bool _shuffling;
bool _nudging;
uint32_t _refcnt;
EditMode _edit_mode;
bool in_flush;
bool in_partition;
bool _frozen;
uint32_t subcnt;
PBD::ID _orig_track_id;
bool auto_partition;
uint32_t _combine_ops;
void init (bool hide);
bool holding_state () const {
return g_atomic_int_get (&block_notifications) != 0 ||
g_atomic_int_get (&ignore_state_changes) != 0;
}
void delay_notifications ();
void release_notifications (bool from_undo = false);
virtual void flush_notifications (bool from_undo = false);
void clear_pending ();
void _set_sort_id ();
void notify_region_removed (boost::shared_ptr<Region>);
void notify_region_added (boost::shared_ptr<Region>);
void notify_layering_changed ();
void notify_contents_changed ();
void notify_state_changed (const PBD::PropertyChange&);
void notify_region_moved (boost::shared_ptr<Region>);
void notify_region_start_trimmed (boost::shared_ptr<Region>);
void notify_region_end_trimmed (boost::shared_ptr<Region>);
void mark_session_dirty();
void region_changed_proxy (const PBD::PropertyChange&, boost::weak_ptr<Region>);
virtual bool region_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
void region_bounds_changed (const PBD::PropertyChange&, boost::shared_ptr<Region>);
void region_deleted (boost::shared_ptr<Region>);
void sort_regions ();
void possibly_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
void possibly_splice_unlocked(framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude = boost::shared_ptr<Region>());
void core_splice (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
void splice_locked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
void splice_unlocked (framepos_t at, framecnt_t distance, boost::shared_ptr<Region> exclude);
virtual void finalize_split_region (boost::shared_ptr<Region> /*original*/, boost::shared_ptr<Region> /*left*/, boost::shared_ptr<Region> /*right*/) {}
virtual void check_dependents (boost::shared_ptr<Region> /*region*/, bool /*norefresh*/) {}
virtual void refresh_dependents (boost::shared_ptr<Region> /*region*/) {}
virtual void remove_dependents (boost::shared_ptr<Region> /*region*/) {}
virtual XMLNode& state (bool);
bool add_region_internal (boost::shared_ptr<Region>, framepos_t position);
int remove_region_internal (boost::shared_ptr<Region>);
RegionList *find_regions_at (framepos_t);
void copy_regions (RegionList&) const;
void partition_internal (framepos_t start, framepos_t end, bool cutting, RegionList& thawlist);
std::pair<framepos_t, framepos_t> _get_extent() const;
boost::shared_ptr<Playlist> cut_copy (boost::shared_ptr<Playlist> (Playlist::*pmf)(framepos_t, framecnt_t, bool),
std::list<AudioRange>& ranges, bool result_is_hidden);
boost::shared_ptr<Playlist> cut (framepos_t start, framecnt_t cnt, bool result_is_hidden);
boost::shared_ptr<Playlist> copy (framepos_t start, framecnt_t cnt, bool result_is_hidden);
void relayer ();
void begin_undo ();
void end_undo ();
void unset_freeze_parent (Playlist*);
void unset_freeze_child (Playlist*);
void _split_region (boost::shared_ptr<Region>, framepos_t position);
typedef std::pair<boost::shared_ptr<Region>, boost::shared_ptr<Region> > TwoRegions;
virtual void copy_dependents (const std::vector<TwoRegions>&, Playlist*) const { }
struct RegionInfo {
boost::shared_ptr<Region> region;
framepos_t position;
framecnt_t length;
framepos_t start;
};
/* this is called before we create a new compound region */
virtual void pre_combine (std::vector<boost::shared_ptr<Region> >&) {}
/* this is called before we create a new compound region */
virtual void post_combine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
/* this is called before we remove a compound region and replace it
with its constituent regions
*/
virtual void pre_uncombine (std::vector<boost::shared_ptr<Region> >&, boost::shared_ptr<Region>) {}
};
} /* namespace ARDOUR */
#endif /* __ardour_playlist_h__ */