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Diffstat (limited to 'libs/ardour/ardour/audioplaylist.h')
-rw-r--r-- | libs/ardour/ardour/audioplaylist.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/libs/ardour/ardour/audioplaylist.h b/libs/ardour/ardour/audioplaylist.h new file mode 100644 index 0000000000..26cce91b12 --- /dev/null +++ b/libs/ardour/ardour/audioplaylist.h @@ -0,0 +1,121 @@ +/* + Copyright (C) 2003 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. + + $Id$ +*/ + +#ifndef __ardour_audio_playlist_h__ +#define __ardour_audio_playlist_h__ + +#include <vector> +#include <list> + +#include <ardour/ardour.h> +#include <ardour/playlist.h> + +namespace ARDOUR { + +class Session; +class Region; +class AudioRegion; +class Source; + +class AudioPlaylist : public ARDOUR::Playlist +{ + public: + typedef std::list<Crossfade*> Crossfades; + + private: + + struct State : public ARDOUR::StateManager::State { + RegionList regions; + std::list<UndoAction> region_states; + + Crossfades crossfades; + std::list<UndoAction> crossfade_states; + + State (std::string why) : ARDOUR::StateManager::State (why) {} + ~State (); + }; + + public: + AudioPlaylist (Session&, const XMLNode&, bool hidden = false); + AudioPlaylist (Session&, string name, bool hidden = false); + AudioPlaylist (const AudioPlaylist&, string name, bool hidden = false); + AudioPlaylist (const AudioPlaylist&, jack_nframes_t start, jack_nframes_t cnt, string name, bool hidden = false); + + void clear (bool with_delete = false, bool with_save = true); + + jack_nframes_t read (Sample *dst, Sample *mixdown, float *gain_buffer, jack_nframes_t start, jack_nframes_t cnt, uint32_t chan_n=0); + + int set_state (const XMLNode&); + UndoAction get_memento() const; + + sigc::signal<void,Crossfade *> NewCrossfade; + + template<class T> void foreach_crossfade (T *t, void (T::*func)(Crossfade *)); + void crossfades_at (jack_nframes_t frame, Crossfades&); + + template<class T> void apply_to_history (T& obj, void (T::*method)(const ARDOUR::StateManager::StateMap&, state_id_t)) { + RegionLock rlock (this); + (obj.*method) (states, _current_state_id); + } + + bool destroy_region (Region*); + + void get_equivalent_regions (const AudioRegion&, std::vector<AudioRegion*>&); + void get_region_list_equivalent_regions (const AudioRegion&, std::vector<AudioRegion*>&); + + void drop_all_states (); + + protected: + + /* state management */ + + StateManager::State* state_factory (std::string) const; + Change restore_state (StateManager::State&); + void send_state_change (Change); + + /* playlist "callbacks" */ + void notify_crossfade_added (Crossfade *); + void flush_notifications (); + + void refresh_dependents (Region& region); + void check_dependents (Region& region, bool norefresh); + void remove_dependents (Region& region); + + protected: + ~AudioPlaylist (); /* public should use unref() */ + + private: + Crossfades _crossfades; + Crossfades _pending_xfade_adds; + + void crossfade_invalidated (Crossfade*); + XMLNode& state (bool full_state); + void dump () const; + + bool region_changed (Change, Region*); + void crossfade_changed (Change); + void add_crossfade (Crossfade&); +}; + +} /* namespace ARDOUR */ + +#endif /* __ardour_audio_playlist_h__ */ + + |