along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#ifndef __ardour_audio_region_h__
Curve& fade_out() { return _fade_out; }
Curve& envelope() { return _envelope; }
- nframes_t read_peaks (PeakData *buf, nframes_t npeaks,
- nframes_t offset, nframes_t cnt,
- uint32_t chan_n=0, double samples_per_unit= 1.0) const;
-
+ virtual nframes_t read_peaks (PeakData *buf, nframes_t npeaks,
+ nframes_t offset, nframes_t cnt,
+ uint32_t chan_n=0, double samples_per_unit= 1.0) const;
+
virtual nframes_t read_at (Sample *buf, Sample *mixdown_buf,
- float *gain_buf, nframes_t position, nframes_t cnt,
- uint32_t chan_n = 0,
- nframes_t read_frames = 0,
- nframes_t skip_frames = 0) const;
-
- nframes_t master_read_at (Sample *buf, Sample *mixdown_buf,
- float *gain_buf,
- nframes_t position, nframes_t cnt, uint32_t chan_n=0) const;
+ float *gain_buf, nframes_t position, nframes_t cnt,
+ uint32_t chan_n = 0) const;
+
+ virtual nframes_t master_read_at (Sample *buf, Sample *mixdown_buf,
+ float *gain_buf,
+ nframes_t position, nframes_t cnt, uint32_t chan_n=0) const;
+
+ virtual nframes_t read_raw_internal (Sample*, nframes_t, nframes_t) const;
XMLNode& state (bool);
int set_state (const XMLNode&);
static void set_default_fade (float steepness, nframes_t len);
+ bool fade_in_is_default () const;
+ bool fade_out_is_default () const;
enum FadeShape {
Linear,
AudioRegion (boost::shared_ptr<AudioSource>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
AudioRegion (SourceList &, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
AudioRegion (boost::shared_ptr<const AudioRegion>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
- AudioRegion (boost::shared_ptr<const AudioRegion>);
AudioRegion (boost::shared_ptr<AudioSource>, const XMLNode&);
AudioRegion (SourceList &, const XMLNode&);
private:
+ void init ();
void set_default_fades ();
void set_default_fade_in ();
void set_default_fade_out ();
void recompute_gain_at_start ();
nframes_t _read_at (const SourceList&, Sample *buf, Sample *mixdown_buffer,
- float *gain_buffer, nframes_t position, nframes_t cnt,
- uint32_t chan_n = 0,
- nframes_t read_frames = 0,
- nframes_t skip_frames = 0) const;
+ float *gain_buffer, nframes_t position, nframes_t cnt,
+ uint32_t chan_n = 0) const;
void recompute_at_start ();
void recompute_at_end ();
uint32_t _fade_out_disabled;
protected:
+ /* default constructor for derived (compound) types */
+
+ AudioRegion (nframes_t, nframes_t, std::string name);
+ AudioRegion (boost::shared_ptr<const AudioRegion>);
+
int set_live_state (const XMLNode&, Change&, bool send);
- virtual bool verify_start (jack_nframes_t);
- virtual bool verify_start_and_length (jack_nframes_t, jack_nframes_t);
- virtual bool verify_start_mutable (jack_nframes_t&_start);
- virtual bool verify_length (jack_nframes_t);
+ virtual bool verify_start (nframes_t);
+ virtual bool verify_start_and_length (nframes_t, nframes_t);
+ virtual bool verify_start_mutable (nframes_t&_start);
+ virtual bool verify_length (nframes_t);
/*virtual void recompute_at_start () = 0;
virtual void recompute_at_end () = 0;*/
};