270 lines
9.1 KiB
C++
270 lines
9.1 KiB
C++
/*
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* Copyright (C) 2006-2011 David Robillard <d@drobilla.net>
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* Copyright (C) 2006-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_audio_region_h__
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#define __ardour_audio_region_h__
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#include <vector>
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#include <list>
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#include "pbd/fastlog.h"
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#include "pbd/undo.h"
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#include "ardour/ardour.h"
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#include "ardour/automatable.h"
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#include "ardour/automation_list.h"
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#include "ardour/interthread_info.h"
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#include "ardour/logcurve.h"
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#include "ardour/region.h"
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class XMLNode;
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class AudioRegionReadTest;
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class PlaylistReadTest;
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namespace ARDOUR {
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namespace Properties {
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LIBARDOUR_API extern PBD::PropertyDescriptor<bool> envelope_active;
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LIBARDOUR_API extern PBD::PropertyDescriptor<bool> default_fade_in;
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LIBARDOUR_API extern PBD::PropertyDescriptor<bool> default_fade_out;
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LIBARDOUR_API extern PBD::PropertyDescriptor<bool> fade_in_active;
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LIBARDOUR_API extern PBD::PropertyDescriptor<bool> fade_out_active;
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LIBARDOUR_API extern PBD::PropertyDescriptor<float> scale_amplitude;
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LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_in;
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LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_in;
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LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_out;
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LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_out;
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LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > envelope;
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}
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class Playlist;
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class Session;
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class Filter;
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class AudioSource;
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class LIBARDOUR_API AudioRegion : public Region, public AudioReadable
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{
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public:
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static void make_property_quarks ();
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~AudioRegion();
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void copy_settings (boost::shared_ptr<const AudioRegion>);
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bool source_equivalent (boost::shared_ptr<const Region>) const;
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bool speed_mismatch (float) const;
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boost::shared_ptr<AudioSource> audio_source (uint32_t n=0) const;
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void set_scale_amplitude (gain_t);
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gain_t scale_amplitude() const { return _scale_amplitude; }
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void normalize (float, float target_in_dB = 0.0f);
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/** @return the maximum (linear) amplitude of the region, or a -ve
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* number if the Progress object reports that the process was cancelled.
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*/
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double maximum_amplitude (Progress* p = 0) const;
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/** @return the maximum (rms) signal power of the region, or a -1
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* if the Progress object reports that the process was cancelled.
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*/
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double rms (Progress* p = 0) const;
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bool loudness (float& tp, float& i, float& s, float& m, Progress* p = 0) const;
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bool envelope_active () const { return _envelope_active; }
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bool fade_in_active () const { return _fade_in_active; }
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bool fade_out_active () const { return _fade_out_active; }
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boost::shared_ptr<AutomationList> fade_in() { return _fade_in.val (); }
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boost::shared_ptr<AutomationList> inverse_fade_in() { return _inverse_fade_in.val (); }
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boost::shared_ptr<AutomationList> fade_out() { return _fade_out.val (); }
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boost::shared_ptr<AutomationList> inverse_fade_out() { return _inverse_fade_out.val (); }
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boost::shared_ptr<AutomationList> envelope() { return _envelope.val (); }
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Temporal::Range body_range () const;
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virtual samplecnt_t read_peaks (PeakData *buf, samplecnt_t npeaks,
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samplecnt_t offset, samplecnt_t cnt,
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uint32_t chan_n=0, double samples_per_pixel = 1.0) const;
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/* AudioReadable interface */
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samplecnt_t read (Sample*, samplepos_t pos, samplecnt_t cnt, int channel) const;
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samplecnt_t readable_length_samples() const { return length_samples(); }
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uint32_t n_channels() const { return _sources.size(); }
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samplecnt_t read_at (Sample *buf, Sample *mixdown_buf, float *gain_buf,
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samplepos_t position,
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samplecnt_t cnt,
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uint32_t chan_n = 0) const;
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samplecnt_t master_read_at (Sample *buf, Sample *mixdown_buf, float *gain_buf,
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samplepos_t position, samplecnt_t cnt,
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uint32_t chan_n=0) const;
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samplecnt_t read_raw_internal (Sample*, samplepos_t, samplecnt_t, int channel) const;
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XMLNode& state () const;
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XMLNode& get_basic_state () const;
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int set_state (const XMLNode&, int version);
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void fade_range (samplepos_t, samplepos_t);
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bool fade_in_is_default () const;
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bool fade_out_is_default () const;
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void set_fade_in_active (bool yn);
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void set_fade_in_shape (FadeShape);
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void set_fade_in_length (samplecnt_t);
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void set_fade_in (FadeShape, samplecnt_t);
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void set_fade_in (boost::shared_ptr<AutomationList>);
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void set_fade_out_active (bool yn);
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void set_fade_out_shape (FadeShape);
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void set_fade_out_length (samplecnt_t);
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void set_fade_out (FadeShape, samplecnt_t);
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void set_fade_out (boost::shared_ptr<AutomationList>);
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void set_default_fade_in ();
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void set_default_fade_out ();
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samplecnt_t verify_xfade_bounds (samplecnt_t, bool start);
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void set_envelope_active (bool yn);
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void set_default_envelope ();
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int separate_by_channel (std::vector<boost::shared_ptr<Region> >&) const;
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/* automation */
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boost::shared_ptr<Evoral::Control>
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control(const Evoral::Parameter& id, bool create=false) {
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return _automatable.control(id, create);
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}
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virtual boost::shared_ptr<const Evoral::Control>
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control(const Evoral::Parameter& id) const {
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return _automatable.control(id);
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}
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/* export */
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bool do_export (std::string const&) const;
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/* xfade/fade interactions */
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void suspend_fade_in ();
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void suspend_fade_out ();
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void resume_fade_in ();
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void resume_fade_out ();
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void add_transient (samplepos_t where);
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void remove_transient (samplepos_t where);
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void clear_transients ();
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void set_onsets (AnalysisFeatureList&);
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void get_transients (AnalysisFeatureList&);
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void update_transient (samplepos_t old_position, samplepos_t new_position);
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AudioIntervalResult find_silence (Sample, samplecnt_t, samplecnt_t, InterThreadInfo&) const;
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private:
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friend class RegionFactory;
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AudioRegion (boost::shared_ptr<AudioSource>);
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AudioRegion (const SourceList &);
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AudioRegion (boost::shared_ptr<const AudioRegion>);
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AudioRegion (boost::shared_ptr<const AudioRegion>, timecnt_t const & offset);
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AudioRegion (boost::shared_ptr<const AudioRegion>, const SourceList&);
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AudioRegion (SourceList &);
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private:
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friend class ::AudioRegionReadTest;
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friend class ::PlaylistReadTest;
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void build_transients ();
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PBD::Property<bool> _envelope_active;
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PBD::Property<bool> _default_fade_in;
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PBD::Property<bool> _default_fade_out;
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PBD::Property<bool> _fade_in_active;
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PBD::Property<bool> _fade_out_active;
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/** linear gain to apply to the whole region */
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PBD::Property<gain_t> _scale_amplitude;
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void register_properties ();
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void post_set (const PBD::PropertyChange&);
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void init ();
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void set_default_fades ();
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void recompute_gain_at_end ();
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void recompute_gain_at_start ();
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samplecnt_t read_from_sources (SourceList const &, samplecnt_t, Sample *, samplepos_t, samplecnt_t, uint32_t) const;
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void recompute_at_start ();
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void recompute_at_end ();
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void envelope_changed ();
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void fade_in_changed ();
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void fade_out_changed ();
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void source_offset_changed ();
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void listen_to_my_curves ();
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void connect_to_analysis_changed ();
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void connect_to_header_position_offset_changed ();
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AutomationListProperty _fade_in;
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AutomationListProperty _inverse_fade_in;
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AutomationListProperty _fade_out;
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AutomationListProperty _inverse_fade_out;
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AutomationListProperty _envelope;
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Automatable _automatable;
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uint32_t _fade_in_suspended;
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uint32_t _fade_out_suspended;
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boost::shared_ptr<ARDOUR::Region> get_single_other_xfade_region (bool start) const;
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protected:
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/* default constructor for derived (compound) types */
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AudioRegion (Session& s, timepos_t const &, timecnt_t const &, std::string name);
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int _set_state (const XMLNode&, int version, PBD::PropertyChange& what_changed, bool send_signal);
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};
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} /* namespace ARDOUR */
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/* access from C objects */
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extern "C" {
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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);
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LIBARDOUR_API uint32_t region_length_from_c (void *arg);
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LIBARDOUR_API uint32_t sourcefile_length_from_c (void *arg, double);
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}
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#endif /* __ardour_audio_region_h__ */
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