/*
- 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>
+#include "pbd/fastlog.h"
+#include "pbd/undo.h"
-#include <ardour/ardour.h>
-#include <ardour/region.h>
-#include <ardour/gain.h>
-#include <ardour/logcurve.h>
-#include <ardour/export.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 {
-class Route;
+namespace Properties {
+ LIBARDOUR_API extern PBD::PropertyDescriptor<bool> envelope_active;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<bool> default_fade_in;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<bool> default_fade_out;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<bool> fade_in_active;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<bool> fade_out_active;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<float> scale_amplitude;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_in;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_in;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_out;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_out;
+ LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > envelope;
+}
+
class Playlist;
class Session;
-class AudioFilter;
+class Filter;
class AudioSource;
-class AudioRegion : public Region
+
+class LIBARDOUR_API AudioRegion : public Region
{
public:
- static Change FadeInChanged;
- static Change FadeOutChanged;
- static Change FadeInActiveChanged;
- static Change FadeOutActiveChanged;
- static Change EnvelopeActiveChanged;
- static Change ScaleAmplitudeChanged;
- static Change EnvelopeChanged;
+ 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> 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;
+
+ // if several audio files associated with a region,
+ // information about file with MAX channel count will be provided
+ uint32_t get_related_audio_file_channel_count () 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_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;
-
- XMLNode& state (bool);
- int set_state (const XMLNode&);
-
- static void set_default_fade (float steepness, nframes_t len);
-
- enum FadeShape {
- Linear,
- Fast,
- Slow,
- LogA,
- LogB
- };
+
+ 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 frames_per_pixel = 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);
+
+ void fade_range (framepos_t, framepos_t);
+
+ 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 (nframes_t);
- void set_fade_in (FadeShape, nframes_t);
+ 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 (nframes_t);
- void set_fade_out (FadeShape, nframes_t);
+ void set_fade_out_length (framecnt_t);
+ void set_fade_out (FadeShape, framecnt_t);
+ void set_fade_out (boost::shared_ptr<AutomationList>);
- void set_envelope_active (bool yn);
- void set_default_envelope ();
+ void set_default_fade_in ();
+ void set_default_fade_out ();
- int separate_by_channel (ARDOUR::Session&, vector<boost::shared_ptr<AudioRegion> >&) const;
+ framecnt_t verify_xfade_bounds (framecnt_t, bool start);
- /* filter */
+ void set_envelope_active (bool yn);
+ void set_default_envelope ();
- int apply (AudioFilter&);
+ int separate_by_channel (ARDOUR::Session&, std::vector<boost::shared_ptr<Region> >&) const;
- /* export */
+ /* automation */
- int exportme (ARDOUR::Session&, ARDOUR::AudioExportSpecification&);
+ boost::shared_ptr<Evoral::Control>
+ control(const Evoral::Parameter& id, bool create=false) {
+ return _automatable.control(id, create);
+ }
- boost::shared_ptr<Region> get_parent() const;
+ virtual boost::shared_ptr<const Evoral::Control>
+ control(const Evoral::Parameter& id) const {
+ return _automatable.control(id);
+ }
/* xfade/fade interactions */
void resume_fade_in ();
void resume_fade_out ();
- void set_playlist (boost::weak_ptr<Playlist>);
+ void add_transient (framepos_t where);
+ void remove_transient (framepos_t where);
+ void clear_transients ();
+ void set_onsets (AnalysisFeatureList&);
+ void get_transients (AnalysisFeatureList&);
+ void update_transient (framepos_t old_position, framepos_t new_position);
+
+ AudioIntervalResult find_silence (Sample, framecnt_t, framecnt_t, InterThreadInfo&) const;
private:
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 (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>);
+ AudioRegion (const SourceList &);
AudioRegion (boost::shared_ptr<const AudioRegion>);
- AudioRegion (boost::shared_ptr<AudioSource>, const XMLNode&);
- AudioRegion (SourceList &, const XMLNode&);
+ AudioRegion (boost::shared_ptr<const AudioRegion>, frameoffset_t offset, const int32_t sub_num);
+ AudioRegion (boost::shared_ptr<const AudioRegion>, const SourceList&);
+ AudioRegion (SourceList &);
private:
+ friend class ::AudioRegionReadTest;
+ friend class ::PlaylistReadTest;
+
+ void build_transients ();
+
+ 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 set_default_fade_in ();
- void set_default_fade_out ();
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;
+ framecnt_t read_from_sources (SourceList const &, framecnt_t, Sample *, framepos_t, framecnt_t, uint32_t) 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);
void recompute_at_start ();
void recompute_at_end ();
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 ();
- void source_deleted ();
-
- 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;
+
+ 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:
- int set_live_state (const XMLNode&, Change&, bool send);
+ /* 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);
+ LIBARDOUR_API 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);
+ LIBARDOUR_API uint32_t region_length_from_c (void *arg);
+ LIBARDOUR_API uint32_t sourcefile_length_from_c (void *arg, double);
}
#endif /* __ardour_audio_region_h__ */
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