94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/*
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Copyright (C) 2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_audio_playlist_h__
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#define __ardour_audio_playlist_h__
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#include <vector>
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#include <list>
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#include <ardour/ardour.h>
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#include <ardour/playlist.h>
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namespace ARDOUR {
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class Session;
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class Region;
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class AudioRegion;
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class Source;
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class AudioPlaylist : public ARDOUR::Playlist
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{
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public:
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typedef std::list<boost::shared_ptr<Crossfade> > Crossfades;
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public:
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AudioPlaylist (Session&, const XMLNode&, bool hidden = false);
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AudioPlaylist (Session&, string name, bool hidden = false);
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AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, string name, bool hidden = false);
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AudioPlaylist (boost::shared_ptr<const AudioPlaylist>, nframes_t start, nframes_t cnt, string name, bool hidden = false);
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~AudioPlaylist ();
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void clear (bool with_signals=true);
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nframes_t read (Sample *dst, Sample *mixdown, float *gain_buffer, nframes_t start, nframes_t cnt, uint32_t chan_n=0);
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int set_state (const XMLNode&);
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sigc::signal<void,boost::shared_ptr<Crossfade> > NewCrossfade;
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template<class T> void foreach_crossfade (T *t, void (T::*func)(boost::shared_ptr<Crossfade>));
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void crossfades_at (nframes_t frame, Crossfades&);
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bool destroy_region (boost::shared_ptr<Region>);
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protected:
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/* playlist "callbacks" */
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void notify_crossfade_added (boost::shared_ptr<Crossfade>);
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void flush_notifications ();
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void finalize_split_region (boost::shared_ptr<Region> orig, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right);
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void refresh_dependents (boost::shared_ptr<Region> region);
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void check_dependents (boost::shared_ptr<Region> region, bool norefresh);
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void remove_dependents (boost::shared_ptr<Region> region);
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private:
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Crossfades _crossfades;
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Crossfades _pending_xfade_adds;
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void crossfade_invalidated (boost::shared_ptr<Region>);
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XMLNode& state (bool full_state);
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void dump () const;
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bool region_changed (Change, boost::shared_ptr<Region>);
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void crossfade_changed (Change);
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void add_crossfade (boost::shared_ptr<Crossfade>);
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void source_offset_changed (boost::shared_ptr<AudioRegion> region);
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};
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} /* namespace ARDOUR */
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#endif /* __ardour_audio_playlist_h__ */
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