#include <vector>
#include <algorithm>
#include <boost/shared_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
#include <sigc++/signal.h>
#include <pbd/statefuldestructible.h>
#include <ardour/ardour.h>
-#include <ardour/curve.h>
#include <ardour/audioregion.h>
#include <ardour/crossfade_compare.h>
+#include <evoral/Curve.hpp>
namespace ARDOUR {
class AudioRegion;
class Playlist;
-class Crossfade : public PBD::StatefulDestructible, public boost::enable_shared_from_this<ARDOUR::Crossfade>
+class Crossfade : public ARDOUR::AudioRegion
{
public:
/* copy constructor to copy a crossfade with new regions. used (for example)
when a playlist copy is made
*/
- Crossfade (const Crossfade &, boost::shared_ptr<ARDOUR::AudioRegion>, boost::shared_ptr<ARDOUR::AudioRegion>);
+ Crossfade (boost::shared_ptr<Crossfade>, boost::shared_ptr<ARDOUR::AudioRegion>, boost::shared_ptr<ARDOUR::AudioRegion>);
/* the usual XML constructor */
float *gain_buffer, nframes_t position, nframes_t cnt,
uint32_t chan_n,
nframes_t read_frames = 0,
- nframes_t skip_frames = 0);
+ nframes_t skip_frames = 0) const;
bool refresh ();
return (_in == a && _out == b) || (_in == b && _out == a);
}
- nframes_t length() const { return _length; }
nframes_t overlap_length() const;
- nframes_t position() const { return _position; }
void invalidate();
- sigc::signal<void,boost::shared_ptr<Crossfade> > Invalidated;
+ sigc::signal<void,boost::shared_ptr<Region> > Invalidated;
sigc::signal<void,Change> StateChanged;
bool covers (nframes_t frame) const {
bool can_follow_overlap() const;
void set_follow_overlap (bool yn);
- Curve& fade_in() { return _fade_in; }
- Curve& fade_out() { return _fade_out; }
+ AutomationList& fade_in() { return _fade_in; }
+ AutomationList& fade_out() { return _fade_out; }
nframes_t set_length (nframes_t);
+
+ bool is_dependent() const { return true; }
+ bool depends_on (boost::shared_ptr<Region> other) const {
+ return other == _in || other == _out;
+ }
static nframes_t short_xfade_length() { return _short_xfade_length; }
static void set_short_xfade_length (nframes_t n);
bool _active;
bool _in_update;
OverlapType overlap_type;
- nframes_t _length;
- nframes_t _position;
AnchorPoint _anchor_point;
bool _follow_overlap;
bool _fixed;
int32_t layer_relation;
- Curve _fade_in;
- Curve _fade_out;
+
+
+ mutable AutomationList _fade_in;
+ mutable AutomationList _fade_out;
static Sample* crossfade_buffer_out;
static Sample* crossfade_buffer_in;
void initialize ();
int compute (boost::shared_ptr<ARDOUR::AudioRegion>, boost::shared_ptr<ARDOUR::AudioRegion>, CrossfadeModel);
bool update ();
+
+ protected:
+ nframes_t read_raw_internal (Sample*, nframes_t, nframes_t) const;
};