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/*
Copyright (C) 2006 Paul Davis
Written by Dave Robillard, 2006
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_midi_region_h__
#define __ardour_midi_region_h__
#include <vector>
#include <pbd/fastlog.h>
#include <pbd/undo.h>
#include <ardour/ardour.h>
#include <ardour/region.h>
#include <ardour/export.h>
class XMLNode;
namespace ARDOUR {
class Route;
class Playlist;
class Session;
class MidiFilter;
class MidiSource;
struct MidiRegionState : public RegionState
{
MidiRegionState (std::string why);
};
class MidiRegion : public Region
{
public:
typedef vector<MidiSource *> SourceList;
MidiRegion (MidiSource&, jack_nframes_t start, jack_nframes_t length, bool announce = true);
MidiRegion (MidiSource&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
MidiRegion (SourceList &, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
MidiRegion (const MidiRegion&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
MidiRegion (const MidiRegion&);
MidiRegion (MidiSource&, const XMLNode&);
MidiRegion (SourceList &, const XMLNode&);
~MidiRegion();
bool source_equivalent (const Region&) const;
bool speed_mismatch (float) const;
void lock_sources ();
void unlock_sources ();
MidiSource& source (uint32_t n=0) const { if (n < sources.size()) return *sources[n]; else return *sources[0]; }
uint32_t n_channels() { return sources.size(); }
vector<string> master_source_names();
bool captured() const { return !(_flags & (Region::Flag (Region::Import|Region::External))); }
virtual jack_nframes_t read_at (unsigned char *buf, unsigned char *mixdown_buffer,
char * workbuf, jack_nframes_t position, jack_nframes_t cnt,
uint32_t chan_n = 0,
jack_nframes_t read_frames = 0,
jack_nframes_t skip_frames = 0) const;
jack_nframes_t master_read_at (unsigned char *buf, unsigned char *mixdown_buffer,
char * workbuf, jack_nframes_t position, jack_nframes_t cnt, uint32_t chan_n=0) const;
XMLNode& state (bool);
XMLNode& get_state ();
int set_state (const XMLNode&);
enum FadeShape {
Linear,
Fast,
Slow,
LogA,
LogB,
};
int separate_by_channel (ARDOUR::Session&, vector<MidiRegion*>&) const;
uint32_t read_data_count() const { return _read_data_count; }
ARDOUR::Playlist* playlist() const { return _playlist; }
UndoAction get_memento() const;
/* export */
//int exportme (ARDOUR::Session&, ARDOUR::AudioExportSpecification&);
Region* get_parent();
private:
friend class Playlist;
private:
SourceList sources;
SourceList master_sources; /* used when timefx are applied, so
we can always use the original
source.
*/
StateManager::State* state_factory (std::string why) const;
Change restore_state (StateManager::State&);
jack_nframes_t _read_at (const SourceList&, unsigned char *buf, unsigned char *mixdown_buffer,
char * workbuf, jack_nframes_t position, jack_nframes_t cnt,
uint32_t chan_n = 0,
jack_nframes_t read_frames = 0,
jack_nframes_t skip_frames = 0) const;
bool verify_start (jack_nframes_t position);
bool verify_length (jack_nframes_t position);
bool verify_start_mutable (jack_nframes_t& start);
bool verify_start_and_length (jack_nframes_t start, jack_nframes_t length);
void recompute_at_start() {}
void recompute_at_end() {}
void source_deleted (Source*);
};
} /* namespace ARDOUR */
#endif /* __ardour_midi_region_h__ */
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