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/*
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
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_audio_region_h__
#define __ardour_audio_region_h__
#include <vector>
#include <list>
#include "pbd/fastlog.h"
#include "pbd/undo.h"
#include "ardour/ardour.h"
#include "ardour/automatable.h"
#include "ardour/automation_list.h"
#include "ardour/interthread_info.h"
#include "ardour/logcurve.h"
#include "ardour/region.h"
class XMLNode;
class AudioRegionReadTest;
class PlaylistReadTest;
namespace ARDOUR {
namespace Properties {
extern PBD::PropertyDescriptor<bool> envelope_active;
extern PBD::PropertyDescriptor<bool> default_fade_in;
extern PBD::PropertyDescriptor<bool> default_fade_out;
extern PBD::PropertyDescriptor<bool> fade_in_active;
extern PBD::PropertyDescriptor<bool> fade_out_active;
extern PBD::PropertyDescriptor<float> scale_amplitude;
extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_in;
extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_in;
extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_out;
extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_out;
extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > envelope;
}
class Playlist;
class Session;
class Filter;
class AudioSource;
class AudioRegion : public Region
{
public:
static void make_property_quarks ();
~AudioRegion();
void copy_settings (boost::shared_ptr<const AudioRegion>);
bool source_equivalent (boost::shared_ptr<const Region>) const;
bool speed_mismatch (float) const;
boost::shared_ptr<AudioSource> audio_source (uint32_t n=0) const;
void set_scale_amplitude (gain_t);
gain_t scale_amplitude() const { return _scale_amplitude; }
void normalize (float, float target_in_dB = 0.0f);
double maximum_amplitude (Progress* p = 0) const;
bool envelope_active () const { return _envelope_active; }
bool fade_in_active () const { return _fade_in_active; }
bool fade_out_active () const { return _fade_out_active; }
boost::shared_ptr<AutomationList> fade_in() { return _fade_in.val (); }
boost::shared_ptr<AutomationList> inverse_fade_in() { return _inverse_fade_in.val (); }
boost::shared_ptr<AutomationList> fade_out() { return _fade_out.val (); }
boost::shared_ptr<AutomationList> inverse_fade_out() { return _inverse_fade_out.val (); }
boost::shared_ptr<AutomationList> envelope() { return _envelope.val (); }
Evoral::Range<framepos_t> body_range () const;
virtual framecnt_t read_peaks (PeakData *buf, framecnt_t npeaks,
framecnt_t offset, framecnt_t cnt,
uint32_t chan_n=0, double samples_per_unit= 1.0) const;
/* Readable interface */
virtual framecnt_t read (Sample*, framepos_t pos, framecnt_t cnt, int channel) const;
virtual framecnt_t readable_length() const { return length(); }
virtual framecnt_t read_at (Sample *buf, Sample *mixdown_buf, float *gain_buf,
framepos_t position,
framecnt_t cnt,
uint32_t chan_n = 0) const;
virtual framecnt_t master_read_at (Sample *buf, Sample *mixdown_buf, float *gain_buf,
framepos_t position, framecnt_t cnt, uint32_t chan_n=0) const;
virtual framecnt_t read_raw_internal (Sample*, framepos_t, framecnt_t, int channel) const;
XMLNode& state ();
XMLNode& get_basic_state ();
int set_state (const XMLNode&, int version);
static void set_default_fade (float steepness, framecnt_t len);
bool fade_in_is_default () const;
bool fade_out_is_default () const;
void set_fade_in_active (bool yn);
void set_fade_in_shape (FadeShape);
void set_fade_in_length (framecnt_t);
void set_fade_in (FadeShape, framecnt_t);
void set_fade_in (boost::shared_ptr<AutomationList>);
void set_fade_out_active (bool yn);
void set_fade_out_shape (FadeShape);
void set_fade_out_length (framecnt_t);
void set_fade_out (FadeShape, framecnt_t);
void set_fade_out (boost::shared_ptr<AutomationList>);
void set_default_fade_in ();
void set_default_fade_out ();
framecnt_t verify_xfade_bounds (framecnt_t, bool start);
void set_envelope_active (bool yn);
void set_default_envelope ();
int separate_by_channel (ARDOUR::Session&, std::vector<boost::shared_ptr<Region> >&) const;
/* automation */
boost::shared_ptr<Evoral::Control>
control(const Evoral::Parameter& id, bool create=false) {
return _automatable.control(id, create);
}
virtual boost::shared_ptr<const Evoral::Control>
control(const Evoral::Parameter& id) const {
return _automatable.control(id);
}
/* xfade/fade interactions */
void suspend_fade_in ();
void suspend_fade_out ();
void resume_fade_in ();
void resume_fade_out ();
void add_transient (framepos_t where);
void remove_transient (framepos_t where);
int set_transients (AnalysisFeatureList&);
int get_transients (AnalysisFeatureList&, bool force_new = false);
int update_transient (framepos_t old_position, framepos_t new_position);
int adjust_transients (frameoffset_t delta);
AudioIntervalResult find_silence (Sample, framecnt_t, InterThreadInfo&) const;
private:
friend class RegionFactory;
AudioRegion (boost::shared_ptr<AudioSource>);
AudioRegion (const SourceList &);
AudioRegion (boost::shared_ptr<const AudioRegion>);
AudioRegion (boost::shared_ptr<const AudioRegion>, frameoffset_t offset);
AudioRegion (boost::shared_ptr<const AudioRegion>, const SourceList&);
AudioRegion (SourceList &);
private:
friend class ::AudioRegionReadTest;
friend class ::PlaylistReadTest;
PBD::Property<bool> _envelope_active;
PBD::Property<bool> _default_fade_in;
PBD::Property<bool> _default_fade_out;
PBD::Property<bool> _fade_in_active;
PBD::Property<bool> _fade_out_active;
/** linear gain to apply to the whole region */
PBD::Property<gain_t> _scale_amplitude;
void register_properties ();
void post_set (const PBD::PropertyChange&);
void init ();
void set_default_fades ();
void recompute_gain_at_end ();
void recompute_gain_at_start ();
framecnt_t read_from_sources (SourceList const &, framecnt_t, Sample *, framepos_t, framecnt_t, uint32_t) const;
void recompute_at_start ();
void recompute_at_end ();
void envelope_changed ();
void fade_in_changed ();
void fade_out_changed ();
void source_offset_changed ();
void listen_to_my_curves ();
void connect_to_analysis_changed ();
void connect_to_header_position_offset_changed ();
AutomationListProperty _fade_in;
AutomationListProperty _inverse_fade_in;
AutomationListProperty _fade_out;
AutomationListProperty _inverse_fade_out;
AutomationListProperty _envelope;
Automatable _automatable;
uint32_t _fade_in_suspended;
uint32_t _fade_out_suspended;
boost::shared_ptr<ARDOUR::Region> get_single_other_xfade_region (bool start) const;
protected:
/* default constructor for derived (compound) types */
AudioRegion (Session& s, framepos_t, framecnt_t, std::string name);
int _set_state (const XMLNode&, int version, PBD::PropertyChange& what_changed, bool send_signal);
};
} /* namespace ARDOUR */
/* access from C objects */
extern "C" {
int region_read_peaks_from_c (void *arg, uint32_t npeaks, uint32_t start, uint32_t length, intptr_t data, uint32_t n_chan, double samples_per_unit);
uint32_t region_length_from_c (void *arg);
uint32_t sourcefile_length_from_c (void *arg, double);
}
#endif /* __ardour_audio_region_h__ */
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