/*
- Copyright (C) 2000-2001 Paul Davis
+ Copyright (C) 2000-2006 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
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__
~AudioRegion();
- bool source_equivalent (boost::shared_ptr<const Region>) const;
-
bool speed_mismatch (float) const;
- boost::shared_ptr<AudioSource> source (uint32_t n=0) const { if (n < sources.size()) return sources[n]; else return sources[0]; }
+ boost::shared_ptr<AudioSource> audio_source (uint32_t n=0) const;
- void set_scale_amplitude (gain_t);
+ void set_scale_amplitude (gain_t);
gain_t scale_amplitude() const { return _scale_amplitude; }
void normalize_to (float target_in_dB = 0.0f);
- uint32_t n_channels() { return sources.size(); }
- vector<string> master_source_names();
-
bool envelope_active () const { return _flags & Region::EnvelopeActive; }
bool fade_in_active () const { return _flags & Region::FadeIn; }
bool fade_out_active () const { return _flags & Region::FadeOut; }
- bool captured() const { return !(_flags & (Region::Flag (Region::Import|Region::External))); }
Curve& fade_in() { return _fade_in; }
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,
void set_fade_out (FadeShape, nframes_t);
void set_envelope_active (bool yn);
+ void set_default_envelope ();
- int separate_by_channel (ARDOUR::Session&, vector<AudioRegion*>&) const;
+ int separate_by_channel (ARDOUR::Session&, vector<boost::shared_ptr<AudioRegion> >&) const;
/* filter */
int exportme (ARDOUR::Session&, ARDOUR::AudioExportSpecification&);
- boost::shared_ptr<Region> get_parent() const;
-
/* xfade/fade interactions */
void suspend_fade_in ();
void resume_fade_in ();
void resume_fade_out ();
- void set_playlist (Playlist *);
-
private:
friend class RegionFactory;
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 set_default_envelope ();
void recompute_gain_at_end ();
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;
-
- bool verify_start (nframes_t position);
- bool verify_length (nframes_t position);
- bool verify_start_mutable (nframes_t& start);
- bool verify_start_and_length (nframes_t start, nframes_t length);
+ float *gain_buffer, nframes_t position, nframes_t cnt,
+ uint32_t chan_n = 0) const;
+
void recompute_at_start ();
void recompute_at_end ();
- void envelope_changed (Change);
+ void envelope_changed ();
+ void fade_in_changed ();
+ void fade_out_changed ();
void source_offset_changed ();
-
- void source_deleted ();
-
- SourceList sources;
-
- /** Used when timefx are applied, so we can always use the original source. */
- SourceList master_sources;
+ void listen_to_my_curves ();
mutable Curve _fade_in;
FadeShape _fade_in_shape;
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 (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;*/
};
} /* namespace ARDOUR */
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