/*
- 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__
#define __ardour_audio_region_h__
#include <vector>
+#include <list>
#include <pbd/fastlog.h>
#include <pbd/undo.h>
class Route;
class Playlist;
class Session;
-class AudioFilter;
+class Filter;
class AudioSource;
-struct AudioRegionState : public RegionState
-{
- AudioRegionState (std::string why);
-
- Curve _fade_in;
- Curve _fade_out;
- Curve _envelope;
- gain_t _scale_amplitude;
- uint32_t _fade_in_disabled;
- uint32_t _fade_out_disabled;
-};
-
class AudioRegion : public Region
{
public:
- typedef vector<AudioSource *> SourceList;
-
static Change FadeInChanged;
static Change FadeOutChanged;
static Change FadeInActiveChanged;
static Change ScaleAmplitudeChanged;
static Change EnvelopeChanged;
- AudioRegion (AudioSource&, jack_nframes_t start, jack_nframes_t length, bool announce = true);
- AudioRegion (AudioSource&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
- AudioRegion (SourceList &, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
- AudioRegion (const AudioRegion&, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags, bool announce = true);
- AudioRegion (const AudioRegion&);
- AudioRegion (AudioSource&, const XMLNode&);
- AudioRegion (SourceList &, const XMLNode&);
~AudioRegion();
- bool source_equivalent (const Region&) const;
-
bool speed_mismatch (float) const;
- void lock_sources ();
- void unlock_sources ();
- 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; }
+ boost::shared_ptr<AutomationList> fade_in() { return _fade_in; }
+ boost::shared_ptr<AutomationList> fade_out() { return _fade_out; }
+ boost::shared_ptr<AutomationList> envelope() { return _envelope; }
- jack_nframes_t read_peaks (PeakData *buf, jack_nframes_t npeaks,
- jack_nframes_t offset, jack_nframes_t cnt,
- uint32_t chan_n=0, double samples_per_unit= 1.0) const;
-
- virtual jack_nframes_t read_at (Sample *buf, Sample *mixdown_buf,
- float *gain_buf, 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 (Sample *buf, Sample *mixdown_buf,
- float *gain_buf, char * workbuf,
- jack_nframes_t position, jack_nframes_t cnt, uint32_t chan_n=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;
+
+ /* Readable interface */
+
+ virtual nframes64_t read (Sample*, nframes64_t pos, nframes64_t cnt, int channel) const;
+ virtual nframes64_t readable_length() const { return length(); }
+
+ 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;
+
+ 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, jack_nframes_t len);
+ 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_in_active (bool yn);
void set_fade_in_shape (FadeShape);
- void set_fade_in_length (jack_nframes_t);
- void set_fade_in (FadeShape, jack_nframes_t);
+ void set_fade_in_length (nframes_t);
+ void set_fade_in (FadeShape, nframes_t);
void set_fade_out_active (bool yn);
void set_fade_out_shape (FadeShape);
- void set_fade_out_length (jack_nframes_t);
- void set_fade_out (FadeShape, jack_nframes_t);
+ void set_fade_out_length (nframes_t);
+ 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;
-
- UndoAction get_memento() const;
-
- /* filter */
-
- int apply (AudioFilter&);
+ int separate_by_channel (ARDOUR::Session&, vector<boost::shared_ptr<AudioRegion> >&) const;
/* export */
- int exportme (ARDOUR::Session&, ARDOUR::AudioExportSpecification&);
-
- Region* get_parent();
+ int exportme (ARDOUR::Session&, ARDOUR::ExportSpecification&);
/* xfade/fade interactions */
void resume_fade_in ();
void resume_fade_out ();
+ int get_transients (AnalysisFeatureList&, bool force_new = false);
+
private:
- friend class Playlist;
+ friend class RegionFactory;
+
+ AudioRegion (boost::shared_ptr<AudioSource>, nframes_t start, nframes_t length);
+ AudioRegion (boost::shared_ptr<AudioSource>, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags);
+ AudioRegion (const 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<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 ();
-
- StateManager::State* state_factory (std::string why) const;
- Change restore_state (StateManager::State&);
void recompute_gain_at_end ();
void recompute_gain_at_start ();
- jack_nframes_t _read_at (const SourceList&, Sample *buf, Sample *mixdown_buffer,
- float *gain_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;
+ 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,
+ bool raw = false) 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 envelope_changed (Change);
-
- void source_deleted (Source*);
-
-
- SourceList sources;
-
- /** Used when timefx are applied, so we can always use the original source. */
- SourceList master_sources;
-
- mutable Curve _fade_in;
- FadeShape _fade_in_shape;
- mutable Curve _fade_out;
- FadeShape _fade_out_shape;
- mutable Curve _envelope;
- gain_t _scale_amplitude;
- uint32_t _fade_in_disabled;
- uint32_t _fade_out_disabled;
+ void envelope_changed ();
+ void fade_in_changed ();
+ void fade_out_changed ();
+ void source_offset_changed ();
+ void listen_to_my_curves ();
+ void listen_to_my_sources ();
+
+ boost::shared_ptr<AutomationList> _fade_in;
+ FadeShape _fade_in_shape;
+ boost::shared_ptr<AutomationList> _fade_out;
+ FadeShape _fade_out_shape;
+ boost::shared_ptr<AutomationList> _envelope;
+ gain_t _scale_amplitude;
+ uint32_t _fade_in_disabled;
+ uint32_t _fade_out_disabled;
+
+ protected:
+ /* default constructor for derived (compound) types */
+
+ AudioRegion (Session& s, nframes_t, nframes_t, std::string name);
+ AudioRegion (boost::shared_ptr<const AudioRegion>);
+
+ int set_live_state (const XMLNode&, Change&, bool send);
};
} /* namespace ARDOUR */