/*
- 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.
- $Id$
*/
#include <cmath>
#include <climits>
#include <cfloat>
+#include <algorithm>
#include <set>
#include <pbd/basename.h>
#include <pbd/xml++.h>
#include <pbd/stacktrace.h>
+#include <pbd/enumwriter.h>
+#include <pbd/convert.h>
#include <ardour/audioregion.h>
#include <ardour/session.h>
#include <ardour/gain.h>
#include <ardour/dB.h>
#include <ardour/playlist.h>
-#include <ardour/audiofilter.h>
#include <ardour/audiofilesource.h>
-#include <ardour/destructive_filesource.h>
+#include <ardour/region_factory.h>
+#include <ardour/runtime_functions.h>
+#include <ardour/transient_detector.h>
#include "i18n.h"
#include <locale.h>
using namespace std;
using namespace ARDOUR;
+using namespace PBD;
/* a Session will reset these to its chosen defaults by calling AudioRegion::set_default_fade() */
Change AudioRegion::ScaleAmplitudeChanged = ARDOUR::new_change();
Change AudioRegion::EnvelopeChanged = ARDOUR::new_change();
-AudioRegion::AudioRegion (boost::shared_ptr<AudioSource> src, nframes_t start, nframes_t length)
- : Region (start, length, PBD::basename_nosuffix(src->name()), 0, Region::Flag(Region::DefaultFlags|Region::External)),
- _fade_in (0.0, 2.0, 1.0, false),
- _fade_out (0.0, 2.0, 1.0, false),
- _envelope (0.0, 2.0, 1.0, false)
+void
+AudioRegion::init ()
{
- /* basic AudioRegion constructor */
-
- sources.push_back (src);
- master_sources.push_back (src);
- src->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
-
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
- if (afs) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
- }
-
_scale_amplitude = 1.0;
set_default_fades ();
set_default_envelope ();
listen_to_my_curves ();
+ listen_to_my_sources ();
}
-AudioRegion::AudioRegion (boost::shared_ptr<AudioSource> src, nframes_t start, nframes_t length, const string& name, layer_t layer, Flag flags)
- : Region (start, length, name, layer, flags),
- _fade_in (0.0, 2.0, 1.0, false),
- _fade_out (0.0, 2.0, 1.0, false),
- _envelope (0.0, 2.0, 1.0, false)
+/* constructor for use by derived types only */
+AudioRegion::AudioRegion (Session& s, nframes_t start, nframes_t length, string name)
+ : Region (s, start, length, name, DataType::AUDIO)
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
{
- /* basic AudioRegion constructor */
-
- sources.push_back (src);
- master_sources.push_back (src);
- src->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
+ init ();
+}
+/** Basic AudioRegion constructor (one channel) */
+AudioRegion::AudioRegion (boost::shared_ptr<AudioSource> src, nframes_t start, nframes_t length)
+ : Region (src, start, length, PBD::basename_nosuffix(src->name()), DataType::AUDIO, 0, Region::Flag(Region::DefaultFlags|Region::External))
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
+{
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
if (afs) {
afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
}
- _scale_amplitude = 1.0;
-
- set_default_fades ();
- set_default_envelope ();
-
- listen_to_my_curves ();
+ init ();
}
-AudioRegion::AudioRegion (SourceList& srcs, nframes_t start, nframes_t length, const string& name, layer_t layer, Flag flags)
- : Region (start, length, name, layer, flags),
- _fade_in (0.0, 2.0, 1.0, false),
- _fade_out (0.0, 2.0, 1.0, false),
- _envelope (0.0, 2.0, 1.0, false)
+/* Basic AudioRegion constructor (one channel) */
+AudioRegion::AudioRegion (boost::shared_ptr<AudioSource> src, nframes_t start, nframes_t length, const string& name, layer_t layer, Flag flags)
+ : Region (src, start, length, name, DataType::AUDIO, layer, flags)
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
{
- /* basic AudioRegion constructor */
-
- for (SourceList::iterator i=srcs.begin(); i != srcs.end(); ++i) {
- sources.push_back (*i);
- master_sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
-
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> ((*i));
- if (afs) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
- }
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
+ if (afs) {
+ afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
}
- _scale_amplitude = 1.0;
-
- set_default_fades ();
- set_default_envelope ();
-
- listen_to_my_curves ();
+ init ();
}
+/* Basic AudioRegion constructor (many channels) */
+AudioRegion::AudioRegion (const SourceList& srcs, nframes_t start, nframes_t length, const string& name, layer_t layer, Flag flags)
+ : Region (srcs, start, length, name, DataType::AUDIO, layer, flags)
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
+{
+ init ();
+ listen_to_my_sources ();
+}
+/** Create a new AudioRegion, that is part of an existing one */
AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other, nframes_t offset, nframes_t length, const string& name, layer_t layer, Flag flags)
- : Region (other, offset, length, name, layer, flags),
- _fade_in (other->_fade_in),
- _fade_out (other->_fade_out),
- _envelope (other->_envelope, (double) offset, (double) offset + length)
+ : Region (other, offset, length, name, layer, flags)
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
{
- /* create a new AudioRegion, that is part of an existing one */
-
- set<boost::shared_ptr<AudioSource> > unique_srcs;
+ set<boost::shared_ptr<Source> > unique_srcs;
- for (SourceList::const_iterator i= other->sources.begin(); i != other->sources.end(); ++i) {
- sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
+ for (SourceList::const_iterator i= other->_sources.begin(); i != other->_sources.end(); ++i) {
+ _sources.push_back (*i);
- pair<set<boost::shared_ptr<AudioSource> >::iterator,bool> result;
+ pair<set<boost::shared_ptr<Source> >::iterator,bool> result;
result = unique_srcs.insert (*i);
-
+
if (result.second) {
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*i);
if (afs) {
}
}
- for (SourceList::const_iterator i = other->master_sources.begin(); i != other->master_sources.end(); ++i) {
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
- }
- master_sources.push_back (*i);
- }
-
/* return to default fades if the existing ones are too long */
- _fade_in_disabled = 0;
- _fade_out_disabled = 0;
-
+ init ();
if (_flags & LeftOfSplit) {
- if (_fade_in.back()->when >= _length) {
+ if (_fade_in->back()->when >= _length) {
set_default_fade_in ();
} else {
_fade_in_disabled = other->_fade_in_disabled;
}
if (_flags & RightOfSplit) {
- if (_fade_out.back()->when >= _length) {
+ if (_fade_out->back()->when >= _length) {
set_default_fade_out ();
} else {
_fade_out_disabled = other->_fade_out_disabled;
_scale_amplitude = other->_scale_amplitude;
- listen_to_my_curves ();
+ assert(_type == DataType::AUDIO);
+ listen_to_my_sources ();
}
AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other)
- : Region (other),
- _fade_in (other->_fade_in),
- _fade_out (other->_fade_out),
- _envelope (other->_envelope)
+ : Region (other)
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
{
- /* Pure copy constructor */
-
- set<boost::shared_ptr<AudioSource> > unique_srcs;
-
- for (SourceList::const_iterator i = other->sources.begin(); i != other->sources.end(); ++i) {
- sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
- pair<set<boost::shared_ptr<AudioSource> >::iterator,bool> result;
-
- result = unique_srcs.insert (*i);
-
- if (result.second) {
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*i);
- if (afs) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
- }
- }
- }
-
- for (SourceList::const_iterator i = other->master_sources.begin(); i != other->master_sources.end(); ++i) {
- master_sources.push_back (*i);
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
- }
- }
-
+ assert(_type == DataType::AUDIO);
_scale_amplitude = other->_scale_amplitude;
_envelope = other->_envelope;
- _fade_in_disabled = 0;
- _fade_out_disabled = 0;
+ set_default_fades ();
listen_to_my_curves ();
+ listen_to_my_sources ();
}
AudioRegion::AudioRegion (boost::shared_ptr<AudioSource> src, const XMLNode& node)
- : Region (node),
- _fade_in (0.0, 2.0, 1.0, false),
- _fade_out (0.0, 2.0, 1.0, false),
- _envelope (0.0, 2.0, 1.0, false)
+ : Region (src, node)
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
{
- sources.push_back (src);
- master_sources.push_back (src);
- src->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
-
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
if (afs) {
afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
}
- set_default_fades ();
+ init ();
if (set_state (node)) {
throw failed_constructor();
}
- listen_to_my_curves ();
+ assert(_type == DataType::AUDIO);
+ listen_to_my_sources ();
}
AudioRegion::AudioRegion (SourceList& srcs, const XMLNode& node)
- : Region (node),
- _fade_in (0.0, 2.0, 1.0, false),
- _fade_out (0.0, 2.0, 1.0, false),
- _envelope (0.0, 2.0, 1.0, false)
+ : Region (srcs, node)
+ , _fade_in (new AutomationList(Parameter(FadeInAutomation), 0.0, 2.0, 1.0))
+ , _fade_out (new AutomationList(Parameter(FadeOutAutomation), 0.0, 2.0, 1.0))
+ , _envelope (new AutomationList(Parameter(EnvelopeAutomation), 0.0, 2.0, 1.0))
{
- set<boost::shared_ptr<AudioSource> > unique_srcs;
-
- for (SourceList::iterator i=srcs.begin(); i != srcs.end(); ++i) {
- sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
- pair<set<boost::shared_ptr<AudioSource> >::iterator,bool> result;
-
- result = unique_srcs.insert (*i);
-
- if (result.second) {
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*i);
- if (afs) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
- }
- }
- }
-
- for (SourceList::iterator i = srcs.begin(); i != srcs.end(); ++i) {
- master_sources.push_back (*i);
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->GoingAway.connect (mem_fun (*this, &AudioRegion::source_deleted));
- }
- }
-
- set_default_fades ();
- _scale_amplitude = 1.0;
+ init ();
if (set_state (node)) {
throw failed_constructor();
}
- listen_to_my_curves ();
+ assert(_type == DataType::AUDIO);
+ listen_to_my_sources ();
}
AudioRegion::~AudioRegion ()
{
- boost::shared_ptr<Playlist> pl (playlist());
-
- if (pl) {
- for (SourceList::const_iterator i = sources.begin(); i != sources.end(); ++i) {
- (*i)->remove_playlist (pl);
- }
- }
-
- notify_callbacks ();
- GoingAway (); /* EMIT SIGNAL */
}
void
-AudioRegion::listen_to_my_curves ()
+AudioRegion::listen_to_my_sources ()
{
- _envelope.StateChanged.connect (mem_fun (*this, &AudioRegion::envelope_changed));
- _fade_in.StateChanged.connect (mem_fun (*this, &AudioRegion::fade_in_changed));
- _fade_out.StateChanged.connect (mem_fun (*this, &AudioRegion::fade_out_changed));
-}
-
-bool
-AudioRegion::verify_length (nframes_t len)
-{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
-
- if (afs && afs->destructive()) {
- return true;
- }
-
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (_start > sources[n]->length() - len) {
- return false;
- }
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
+ (*i)->AnalysisChanged.connect (mem_fun (*this, &AudioRegion::invalidate_transients));
}
- return true;
}
-bool
-AudioRegion::verify_start_and_length (nframes_t new_start, nframes_t new_length)
-{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
-
- if (afs && afs->destructive()) {
- return true;
- }
-
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (new_length > sources[n]->length() - new_start) {
- return false;
- }
- }
- return true;
-}
-bool
-AudioRegion::verify_start (nframes_t pos)
+void
+AudioRegion::listen_to_my_curves ()
{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
-
- if (afs && afs->destructive()) {
- return true;
- }
-
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (pos > sources[n]->length() - _length) {
- return false;
- }
- }
- return true;
+ _envelope->StateChanged.connect (mem_fun (*this, &AudioRegion::envelope_changed));
+ _fade_in->StateChanged.connect (mem_fun (*this, &AudioRegion::fade_in_changed));
+ _fade_out->StateChanged.connect (mem_fun (*this, &AudioRegion::fade_out_changed));
}
-bool
-AudioRegion::verify_start_mutable (nframes_t& new_start)
-{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
-
- if (afs && afs->destructive()) {
- return true;
- }
-
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (new_start > sources[n]->length() - _length) {
- new_start = sources[n]->length() - _length;
- }
- }
- return true;
-}
void
AudioRegion::set_envelope_active (bool yn)
{
}
}
-nframes_t
+ARDOUR::nframes_t
AudioRegion::read_peaks (PeakData *buf, nframes_t npeaks, nframes_t offset, nframes_t cnt, uint32_t chan_n, double samples_per_unit) const
{
- if (chan_n >= sources.size()) {
+ if (chan_n >= _sources.size()) {
return 0;
}
- if (sources[chan_n]->read_peaks (buf, npeaks, offset, cnt, samples_per_unit)) {
+ if (audio_source(chan_n)->read_peaks (buf, npeaks, offset, cnt, samples_per_unit)) {
return 0;
} else {
if (_scale_amplitude != 1.0) {
}
}
+nframes64_t
+AudioRegion::read (Sample* buf, nframes64_t position, nframes64_t cnt, int channel) const
+{
+ /* raw read, no fades, no gain, nada */
+ return _read_at (_sources, buf, 0, 0, _position + position, cnt, channel, 0, 0, true);
+}
+
nframes_t
AudioRegion::read_at (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nframes_t position,
nframes_t cnt,
uint32_t chan_n, nframes_t read_frames, nframes_t skip_frames) const
{
- return _read_at (sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, read_frames, skip_frames);
+ /* regular diskstream/butler read complete with fades etc */
+ return _read_at (_sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, read_frames, skip_frames, false);
}
nframes_t
AudioRegion::master_read_at (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nframes_t position,
nframes_t cnt, uint32_t chan_n) const
{
- return _read_at (master_sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, 0, 0);
+ return _read_at (_master_sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, 0, 0);
}
nframes_t
AudioRegion::_read_at (const SourceList& srcs, Sample *buf, Sample *mixdown_buffer, float *gain_buffer,
nframes_t position, nframes_t cnt,
- uint32_t chan_n, nframes_t read_frames, nframes_t skip_frames) const
+ uint32_t chan_n,
+ nframes_t read_frames,
+ nframes_t skip_frames,
+ bool raw) const
{
nframes_t internal_offset;
nframes_t buf_offset;
nframes_t to_read;
- /* precondition: caller has verified that we cover the desired section */
-
- if (chan_n >= sources.size()) {
+ if (muted() && !raw) {
return 0; /* read nothing */
}
-
+
+ /* precondition: caller has verified that we cover the desired section */
+
if (position < _position) {
internal_offset = 0;
buf_offset = _position - position;
return 0; /* read nothing */
}
- if (opaque()) {
+ if (opaque() || raw) {
/* overwrite whatever is there */
mixdown_buffer = buf + buf_offset;
} else {
mixdown_buffer += buf_offset;
}
- if (muted()) {
- return 0; /* read nothing */
+ if (!raw) {
+ _read_data_count = 0;
}
- _read_data_count = 0;
-
- if (srcs[chan_n]->read (mixdown_buffer, _start + internal_offset, to_read) != to_read) {
- return 0; /* "read nothing" */
- }
-
- _read_data_count += srcs[chan_n]->read_data_count();
-
- /* fade in */
-
- if (_flags & FadeIn) {
+ if (chan_n < n_channels()) {
- nframes_t fade_in_length = (nframes_t) _fade_in.back()->when;
+ boost::shared_ptr<AudioSource> src = audio_source(chan_n);
+ if (src->read (mixdown_buffer, _start + internal_offset, to_read) != to_read) {
+ return 0; /* "read nothing" */
+ }
- /* see if this read is within the fade in */
+ if (!raw) {
+ _read_data_count += src->read_data_count();
+ }
- if (internal_offset < fade_in_length) {
-
- nframes_t limit;
+ } else {
+
+ /* track is N-channel, this region has less channels; silence the ones
+ we don't have.
+ */
- limit = min (to_read, fade_in_length - internal_offset);
+ memset (mixdown_buffer, 0, sizeof (Sample) * cnt);
- _fade_in.get_vector (internal_offset, internal_offset+limit, gain_buffer, limit);
+ /* no fades required */
- for (nframes_t n = 0; n < limit; ++n) {
- mixdown_buffer[n] *= gain_buffer[n];
- }
+ if (!raw) {
+ goto merge;
}
}
-
- /* fade out */
- if (_flags & FadeOut) {
-
- /* see if some part of this read is within the fade out */
+ /* fade in */
+ if (!raw) {
+
+ if (_flags & FadeIn) {
+
+ nframes_t fade_in_length = (nframes_t) _fade_in->back()->when;
+
+ /* see if this read is within the fade in */
+
+ if (internal_offset < fade_in_length) {
+
+ nframes_t limit;
+
+ limit = min (to_read, fade_in_length - internal_offset);
+
+ _fade_in->curve().get_vector (internal_offset, internal_offset+limit, gain_buffer, limit);
+
+ for (nframes_t n = 0; n < limit; ++n) {
+ mixdown_buffer[n] *= gain_buffer[n];
+ }
+ }
+ }
+
+ /* fade out */
+
+ if (_flags & FadeOut) {
+
+ /* see if some part of this read is within the fade out */
+
/* ................. >| REGION
_length
|--------------|
^internal_offset
^internal_offset + to_read
-
- we need the intersection of [internal_offset,internal_offset+to_read] with
- [_length - fade_out_length, _length]
-
+
+ we need the intersection of [internal_offset,internal_offset+to_read] with
+ [_length - fade_out_length, _length]
+
*/
- nframes_t fade_out_length = (nframes_t) _fade_out.back()->when;
- nframes_t fade_interval_start = max(internal_offset, _length-fade_out_length);
- nframes_t fade_interval_end = min(internal_offset + to_read, _length);
-
- if (fade_interval_end > fade_interval_start) {
- /* (part of the) the fade out is in this buffer */
+ nframes_t fade_out_length = (nframes_t) _fade_out->back()->when;
+ nframes_t fade_interval_start = max(internal_offset, _length-fade_out_length);
+ nframes_t fade_interval_end = min(internal_offset + to_read, _length);
- nframes_t limit = fade_interval_end - fade_interval_start;
- nframes_t curve_offset = fade_interval_start - (_length-fade_out_length);
- nframes_t fade_offset = fade_interval_start - internal_offset;
-
- _fade_out.get_vector (curve_offset,curve_offset+limit, gain_buffer, limit);
-
- for (nframes_t n = 0, m = fade_offset; n < limit; ++n, ++m) {
- mixdown_buffer[m] *= gain_buffer[n];
- }
- }
-
- }
-
- /* Regular gain curves */
-
- if (envelope_active()) {
- _envelope.get_vector (internal_offset, internal_offset + to_read, gain_buffer, to_read);
+ if (fade_interval_end > fade_interval_start) {
+ /* (part of the) the fade out is in this buffer */
+
+ nframes_t limit = fade_interval_end - fade_interval_start;
+ nframes_t curve_offset = fade_interval_start - (_length-fade_out_length);
+ nframes_t fade_offset = fade_interval_start - internal_offset;
+
+ _fade_out->curve().get_vector (curve_offset,curve_offset+limit, gain_buffer, limit);
+
+ for (nframes_t n = 0, m = fade_offset; n < limit; ++n, ++m) {
+ mixdown_buffer[m] *= gain_buffer[n];
+ }
+ }
+
+ }
- if (_scale_amplitude != 1.0f) {
- for (nframes_t n = 0; n < to_read; ++n) {
- mixdown_buffer[n] *= gain_buffer[n] * _scale_amplitude;
+ /* Regular gain curves */
+
+ if (envelope_active()) {
+ _envelope->curve().get_vector (internal_offset, internal_offset + to_read, gain_buffer, to_read);
+
+ if (_scale_amplitude != 1.0f) {
+ for (nframes_t n = 0; n < to_read; ++n) {
+ mixdown_buffer[n] *= gain_buffer[n] * _scale_amplitude;
+ }
+ } else {
+ for (nframes_t n = 0; n < to_read; ++n) {
+ mixdown_buffer[n] *= gain_buffer[n];
+ }
}
- } else {
+ } else if (_scale_amplitude != 1.0f) {
+ Session::apply_gain_to_buffer (mixdown_buffer, to_read, _scale_amplitude);
+ }
+
+ merge:
+
+ if (!opaque()) {
+
+ /* gack. the things we do for users.
+ */
+
+ buf += buf_offset;
+
for (nframes_t n = 0; n < to_read; ++n) {
- mixdown_buffer[n] *= gain_buffer[n];
+ buf[n] += mixdown_buffer[n];
}
- }
- } else if (_scale_amplitude != 1.0f) {
- Session::apply_gain_to_buffer (mixdown_buffer, to_read, _scale_amplitude);
+ }
}
- if (!opaque()) {
-
- /* gack. the things we do for users.
- */
-
- buf += buf_offset;
-
- for (nframes_t n = 0; n < to_read; ++n) {
- buf[n] += mixdown_buffer[n];
- }
- }
-
return to_read;
}
char buf2[64];
LocaleGuard lg (X_("POSIX"));
- snprintf (buf, sizeof (buf), "0x%x", (int) _flags);
- node.add_property ("flags", buf);
+ node.add_property ("flags", enum_2_string (_flags));
+
snprintf (buf, sizeof(buf), "%.12g", _scale_amplitude);
node.add_property ("scale-gain", buf);
- for (uint32_t n=0; n < sources.size(); ++n) {
+ // XXX these should move into Region
+
+ for (uint32_t n=0; n < _sources.size(); ++n) {
snprintf (buf2, sizeof(buf2), "source-%d", n);
- sources[n]->id().print (buf, sizeof (buf));
+ _sources[n]->id().print (buf, sizeof (buf));
+ node.add_property (buf2, buf);
+ }
+
+ for (uint32_t n=0; n < _master_sources.size(); ++n) {
+ snprintf (buf2, sizeof(buf2), "master-source-%d", n);
+ _master_sources[n]->id().print (buf, sizeof (buf));
node.add_property (buf2, buf);
}
- snprintf (buf, sizeof (buf), "%u", (uint32_t) sources.size());
+ snprintf (buf, sizeof (buf), "%u", (uint32_t) _sources.size());
node.add_property ("channels", buf);
if (full) {
if ((_flags & DefaultFadeIn)) {
child->add_property (X_("default"), X_("yes"));
} else {
- child->add_child_nocopy (_fade_in.get_state ());
+ child->add_child_nocopy (_fade_in->get_state ());
}
child->add_property (X_("active"), _fade_in_disabled ? X_("no") : X_("yes"));
if ((_flags & DefaultFadeOut)) {
child->add_property (X_("default"), X_("yes"));
} else {
- child->add_child_nocopy (_fade_out.get_state ());
+ child->add_child_nocopy (_fade_out->get_state ());
}
child->add_property (X_("active"), _fade_out_disabled ? X_("no") : X_("yes"));
// If there are only two points, the points are in the start of the region and the end of the region
// so, if they are both at 1.0f, that means the default region.
- if (_envelope.size() == 2 &&
- _envelope.front()->value == 1.0f &&
- _envelope.back()->value==1.0f) {
- if (_envelope.front()->when == 0 && _envelope.back()->when == _length) {
+ if (_envelope->size() == 2 &&
+ _envelope->front()->value == 1.0f &&
+ _envelope->back()->value==1.0f) {
+ if (_envelope->front()->when == 0 && _envelope->back()->when == _length) {
default_env = true;
}
}
-
+
if (default_env) {
child->add_property ("default", "yes");
} else {
- child->add_child_nocopy (_envelope.get_state ());
+ child->add_child_nocopy (_envelope->get_state ());
}
} else {
Region::set_live_state (node, what_changed, false);
uint32_t old_flags = _flags;
-
+
if ((prop = node.property ("flags")) != 0) {
- _flags = Flag (strtol (prop->value().c_str(), (char **) 0, 16));
+ _flags = Flag (string_2_enum (prop->value(), _flags));
+
+ //_flags = Flag (strtol (prop->value().c_str(), (char **) 0, 16));
_flags = Flag (_flags & ~Region::LeftOfSplit);
_flags = Flag (_flags & ~Region::RightOfSplit);
if ((prop = node.property ("scale-gain")) != 0) {
_scale_amplitude = atof (prop->value().c_str());
+ what_changed = Change (what_changed|ScaleAmplitudeChanged);
} else {
_scale_amplitude = 1.0;
}
child = (*niter);
if (child->name() == "Envelope") {
-
- _envelope.clear ();
- if ((prop = child->property ("default")) != 0 || _envelope.set_state (*child)) {
+ _envelope->clear ();
+
+ if ((prop = child->property ("default")) != 0 || _envelope->set_state (*child)) {
set_default_envelope ();
}
- _envelope.set_max_xval (_length);
- _envelope.truncate_end (_length);
+ _envelope->set_max_xval (_length);
+ _envelope->truncate_end (_length);
} else if (child->name() == "FadeIn") {
- _fade_in.clear ();
+ _fade_in->clear ();
- if ((prop = child->property ("default")) != 0 || (prop = child->property ("steepness")) != 0 || _fade_in.set_state (*child)) {
+ if ((prop = child->property ("default")) != 0 || (prop = child->property ("steepness")) != 0) {
set_default_fade_in ();
- }
+ } else {
+ XMLNode* grandchild = child->child ("AutomationList");
+ if (grandchild) {
+ _fade_in->set_state (*grandchild);
+ }
+ }
+
+ if ((prop = child->property ("active")) != 0) {
+ if (prop->value() == "yes") {
+ set_fade_in_active (true);
+ } else {
+ set_fade_in_active (true);
+ }
+ }
} else if (child->name() == "FadeOut") {
- _fade_out.clear ();
+ _fade_out->clear ();
- if ((prop = child->property ("default")) != 0 || (prop = child->property ("steepness")) != 0 || _fade_out.set_state (*child)) {
+ if ((prop = child->property ("default")) != 0 || (prop = child->property ("steepness")) != 0) {
set_default_fade_out ();
- }
+ } else {
+ XMLNode* grandchild = child->child ("AutomationList");
+ if (grandchild) {
+ _fade_out->set_state (*grandchild);
+ }
+ }
+
+ if ((prop = child->property ("active")) != 0) {
+ if (prop->value() == "yes") {
+ set_fade_out_active (true);
+ } else {
+ set_fade_out_active (false);
+ }
+ }
+
}
}
void
AudioRegion::set_fade_in_shape (FadeShape shape)
{
- set_fade_in (shape, (nframes_t) _fade_in.back()->when);
+ set_fade_in (shape, (nframes_t) _fade_in->back()->when);
}
void
AudioRegion::set_fade_out_shape (FadeShape shape)
{
- set_fade_out (shape, (nframes_t) _fade_out.back()->when);
+ set_fade_out (shape, (nframes_t) _fade_out->back()->when);
}
void
AudioRegion::set_fade_in (FadeShape shape, nframes_t len)
{
- _fade_in.freeze ();
- _fade_in.clear ();
+ _fade_in->freeze ();
+ _fade_in->clear ();
switch (shape) {
case Linear:
- _fade_in.fast_simple_add (0.0, 0.0);
- _fade_in.fast_simple_add (len, 1.0);
+ _fade_in->fast_simple_add (0.0, 0.0);
+ _fade_in->fast_simple_add (len, 1.0);
break;
case Fast:
- _fade_in.fast_simple_add (0, 0);
- _fade_in.fast_simple_add (len * 0.389401, 0.0333333);
- _fade_in.fast_simple_add (len * 0.629032, 0.0861111);
- _fade_in.fast_simple_add (len * 0.829493, 0.233333);
- _fade_in.fast_simple_add (len * 0.9447, 0.483333);
- _fade_in.fast_simple_add (len * 0.976959, 0.697222);
- _fade_in.fast_simple_add (len, 1);
+ _fade_in->fast_simple_add (0, 0);
+ _fade_in->fast_simple_add (len * 0.389401, 0.0333333);
+ _fade_in->fast_simple_add (len * 0.629032, 0.0861111);
+ _fade_in->fast_simple_add (len * 0.829493, 0.233333);
+ _fade_in->fast_simple_add (len * 0.9447, 0.483333);
+ _fade_in->fast_simple_add (len * 0.976959, 0.697222);
+ _fade_in->fast_simple_add (len, 1);
break;
case Slow:
- _fade_in.fast_simple_add (0, 0);
- _fade_in.fast_simple_add (len * 0.0207373, 0.197222);
- _fade_in.fast_simple_add (len * 0.0645161, 0.525);
- _fade_in.fast_simple_add (len * 0.152074, 0.802778);
- _fade_in.fast_simple_add (len * 0.276498, 0.919444);
- _fade_in.fast_simple_add (len * 0.481567, 0.980556);
- _fade_in.fast_simple_add (len * 0.767281, 1);
- _fade_in.fast_simple_add (len, 1);
+ _fade_in->fast_simple_add (0, 0);
+ _fade_in->fast_simple_add (len * 0.0207373, 0.197222);
+ _fade_in->fast_simple_add (len * 0.0645161, 0.525);
+ _fade_in->fast_simple_add (len * 0.152074, 0.802778);
+ _fade_in->fast_simple_add (len * 0.276498, 0.919444);
+ _fade_in->fast_simple_add (len * 0.481567, 0.980556);
+ _fade_in->fast_simple_add (len * 0.767281, 1);
+ _fade_in->fast_simple_add (len, 1);
break;
case LogA:
- _fade_in.fast_simple_add (0, 0);
- _fade_in.fast_simple_add (len * 0.0737327, 0.308333);
- _fade_in.fast_simple_add (len * 0.246544, 0.658333);
- _fade_in.fast_simple_add (len * 0.470046, 0.886111);
- _fade_in.fast_simple_add (len * 0.652074, 0.972222);
- _fade_in.fast_simple_add (len * 0.771889, 0.988889);
- _fade_in.fast_simple_add (len, 1);
+ _fade_in->fast_simple_add (0, 0);
+ _fade_in->fast_simple_add (len * 0.0737327, 0.308333);
+ _fade_in->fast_simple_add (len * 0.246544, 0.658333);
+ _fade_in->fast_simple_add (len * 0.470046, 0.886111);
+ _fade_in->fast_simple_add (len * 0.652074, 0.972222);
+ _fade_in->fast_simple_add (len * 0.771889, 0.988889);
+ _fade_in->fast_simple_add (len, 1);
break;
case LogB:
- _fade_in.fast_simple_add (0, 0);
- _fade_in.fast_simple_add (len * 0.304147, 0.0694444);
- _fade_in.fast_simple_add (len * 0.529954, 0.152778);
- _fade_in.fast_simple_add (len * 0.725806, 0.333333);
- _fade_in.fast_simple_add (len * 0.847926, 0.558333);
- _fade_in.fast_simple_add (len * 0.919355, 0.730556);
- _fade_in.fast_simple_add (len, 1);
+ _fade_in->fast_simple_add (0, 0);
+ _fade_in->fast_simple_add (len * 0.304147, 0.0694444);
+ _fade_in->fast_simple_add (len * 0.529954, 0.152778);
+ _fade_in->fast_simple_add (len * 0.725806, 0.333333);
+ _fade_in->fast_simple_add (len * 0.847926, 0.558333);
+ _fade_in->fast_simple_add (len * 0.919355, 0.730556);
+ _fade_in->fast_simple_add (len, 1);
break;
}
- _fade_in.thaw ();
+ _fade_in->thaw ();
_fade_in_shape = shape;
send_change (FadeInChanged);
void
AudioRegion::set_fade_out (FadeShape shape, nframes_t len)
{
- _fade_out.freeze ();
- _fade_out.clear ();
+ _fade_out->freeze ();
+ _fade_out->clear ();
switch (shape) {
case Fast:
- _fade_out.fast_simple_add (len * 0, 1);
- _fade_out.fast_simple_add (len * 0.023041, 0.697222);
- _fade_out.fast_simple_add (len * 0.0553, 0.483333);
- _fade_out.fast_simple_add (len * 0.170507, 0.233333);
- _fade_out.fast_simple_add (len * 0.370968, 0.0861111);
- _fade_out.fast_simple_add (len * 0.610599, 0.0333333);
- _fade_out.fast_simple_add (len * 1, 0);
+ _fade_out->fast_simple_add (len * 0, 1);
+ _fade_out->fast_simple_add (len * 0.023041, 0.697222);
+ _fade_out->fast_simple_add (len * 0.0553, 0.483333);
+ _fade_out->fast_simple_add (len * 0.170507, 0.233333);
+ _fade_out->fast_simple_add (len * 0.370968, 0.0861111);
+ _fade_out->fast_simple_add (len * 0.610599, 0.0333333);
+ _fade_out->fast_simple_add (len * 1, 0);
break;
case LogA:
- _fade_out.fast_simple_add (len * 0, 1);
- _fade_out.fast_simple_add (len * 0.228111, 0.988889);
- _fade_out.fast_simple_add (len * 0.347926, 0.972222);
- _fade_out.fast_simple_add (len * 0.529954, 0.886111);
- _fade_out.fast_simple_add (len * 0.753456, 0.658333);
- _fade_out.fast_simple_add (len * 0.9262673, 0.308333);
- _fade_out.fast_simple_add (len * 1, 0);
+ _fade_out->fast_simple_add (len * 0, 1);
+ _fade_out->fast_simple_add (len * 0.228111, 0.988889);
+ _fade_out->fast_simple_add (len * 0.347926, 0.972222);
+ _fade_out->fast_simple_add (len * 0.529954, 0.886111);
+ _fade_out->fast_simple_add (len * 0.753456, 0.658333);
+ _fade_out->fast_simple_add (len * 0.9262673, 0.308333);
+ _fade_out->fast_simple_add (len * 1, 0);
break;
case Slow:
- _fade_out.fast_simple_add (len * 0, 1);
- _fade_out.fast_simple_add (len * 0.305556, 1);
- _fade_out.fast_simple_add (len * 0.548611, 0.991736);
- _fade_out.fast_simple_add (len * 0.759259, 0.931129);
- _fade_out.fast_simple_add (len * 0.918981, 0.68595);
- _fade_out.fast_simple_add (len * 0.976852, 0.22865);
- _fade_out.fast_simple_add (len * 1, 0);
+ _fade_out->fast_simple_add (len * 0, 1);
+ _fade_out->fast_simple_add (len * 0.305556, 1);
+ _fade_out->fast_simple_add (len * 0.548611, 0.991736);
+ _fade_out->fast_simple_add (len * 0.759259, 0.931129);
+ _fade_out->fast_simple_add (len * 0.918981, 0.68595);
+ _fade_out->fast_simple_add (len * 0.976852, 0.22865);
+ _fade_out->fast_simple_add (len * 1, 0);
break;
case LogB:
- _fade_out.fast_simple_add (len * 0, 1);
- _fade_out.fast_simple_add (len * 0.080645, 0.730556);
- _fade_out.fast_simple_add (len * 0.277778, 0.289256);
- _fade_out.fast_simple_add (len * 0.470046, 0.152778);
- _fade_out.fast_simple_add (len * 0.695853, 0.0694444);
- _fade_out.fast_simple_add (len * 1, 0);
+ _fade_out->fast_simple_add (len * 0, 1);
+ _fade_out->fast_simple_add (len * 0.080645, 0.730556);
+ _fade_out->fast_simple_add (len * 0.277778, 0.289256);
+ _fade_out->fast_simple_add (len * 0.470046, 0.152778);
+ _fade_out->fast_simple_add (len * 0.695853, 0.0694444);
+ _fade_out->fast_simple_add (len * 1, 0);
break;
case Linear:
- _fade_out.fast_simple_add (len * 0, 1);
- _fade_out.fast_simple_add (len * 1, 0);
+ _fade_out->fast_simple_add (len * 0, 1);
+ _fade_out->fast_simple_add (len * 1, 0);
break;
}
- _fade_out.thaw ();
+ _fade_out->thaw ();
_fade_out_shape = shape;
send_change (FadeOutChanged);
void
AudioRegion::set_fade_in_length (nframes_t len)
{
- bool changed = _fade_in.extend_to (len);
+ if (len > _length) {
+ len = _length - 1;
+ }
+
+ bool changed = _fade_in->extend_to (len);
if (changed) {
_flags = Flag (_flags & ~DefaultFadeIn);
void
AudioRegion::set_fade_out_length (nframes_t len)
{
- bool changed = _fade_out.extend_to (len);
+ if (len > _length) {
+ len = _length - 1;
+ }
+
+ bool changed = _fade_out->extend_to (len);
if (changed) {
_flags = Flag (_flags & ~DefaultFadeOut);
+ send_change (FadeOutChanged);
}
-
- send_change (FadeOutChanged);
}
void
send_change (FadeOutActiveChanged);
}
+bool
+AudioRegion::fade_in_is_default () const
+{
+ return _fade_in_shape == Linear && _fade_in->back()->when == 64;
+}
+
+bool
+AudioRegion::fade_out_is_default () const
+{
+ return _fade_out_shape == Linear && _fade_out->back()->when == 64;
+}
+
void
AudioRegion::set_default_fade_in ()
{
void
AudioRegion::set_default_envelope ()
{
- _envelope.freeze ();
- _envelope.clear ();
- _envelope.fast_simple_add (0, 1.0f);
- _envelope.fast_simple_add (_length, 1.0f);
- _envelope.thaw ();
+ _envelope->freeze ();
+ _envelope->clear ();
+ _envelope->fast_simple_add (0, 1.0f);
+ _envelope->fast_simple_add (_length, 1.0f);
+ _envelope->thaw ();
}
void
based on the the existing curve.
*/
- _envelope.freeze ();
- _envelope.truncate_end (_length);
- _envelope.set_max_xval (_length);
- _envelope.thaw ();
+ _envelope->freeze ();
+ _envelope->truncate_end (_length);
+ _envelope->set_max_xval (_length);
+ _envelope->thaw ();
- if (_fade_in.back()->when > _length) {
- _fade_in.extend_to (_length);
+ if (_fade_in->back()->when > _length) {
+ _fade_in->extend_to (_length);
send_change (FadeInChanged);
}
- if (_fade_out.back()->when > _length) {
- _fade_out.extend_to (_length);
+ if (_fade_out->back()->when > _length) {
+ _fade_out->extend_to (_length);
send_change (FadeOutChanged);
}
}
{
/* as above, but the shift was from the front */
- _envelope.truncate_start (_length);
+ _envelope->truncate_start (_length);
- if (_fade_in.back()->when > _length) {
- _fade_in.extend_to (_length);
+ if (_fade_in->back()->when > _length) {
+ _fade_in->extend_to (_length);
send_change (FadeInChanged);
}
- if (_fade_out.back()->when > _length) {
- _fade_out.extend_to (_length);
+ if (_fade_out->back()->when > _length) {
+ _fade_out->extend_to (_length);
send_change (FadeOutChanged);
}
}
int
-AudioRegion::separate_by_channel (Session& session, vector<AudioRegion*>& v) const
+AudioRegion::separate_by_channel (Session& session, vector<boost::shared_ptr<AudioRegion> >& v) const
{
SourceList srcs;
string new_name;
+ int n;
- for (SourceList::const_iterator i = master_sources.begin(); i != master_sources.end(); ++i) {
-
- srcs.clear ();
- srcs.push_back (*i);
-
- /* generate a new name */
-
- if (session.region_name (new_name, _name)) {
- return -1;
- }
-
- /* create a copy with just one source */
-
- v.push_back (new AudioRegion (srcs, _start, _length, new_name, _layer, _flags));
+ if (_sources.size() < 2) {
+ return 0;
}
- return 0;
-}
+ n = 0;
-void
-AudioRegion::source_deleted ()
-{
- sources.clear ();
- drop_references ();
-}
-
-vector<string>
-AudioRegion::master_source_names ()
-{
- SourceList::iterator i;
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
- vector<string> names;
- for (i = master_sources.begin(); i != master_sources.end(); ++i) {
- names.push_back((*i)->name());
- }
+ srcs.clear ();
+ srcs.push_back (*i);
- return names;
-}
+ new_name = _name;
-bool
-AudioRegion::source_equivalent (boost::shared_ptr<const Region> o) const
-{
- boost::shared_ptr<const AudioRegion> other = boost::dynamic_pointer_cast<const AudioRegion>(o);
+ if (_sources.size() == 2) {
+ if (n == 0) {
+ new_name += "-L";
+ } else {
+ new_name += "-R";
+ }
+ } else {
+ new_name += '-';
+ new_name += ('0' + n + 1);
+ }
- if (!other)
- return false;
+ /* create a copy with just one source. prevent if from being thought of as "whole file" even if
+ it covers the entire source file(s).
+ */
- SourceList::const_iterator i;
- SourceList::const_iterator io;
+ Flag f = Flag (_flags & ~WholeFile);
- for (i = sources.begin(), io = other->sources.begin(); i != sources.end() && io != other->sources.end(); ++i, ++io) {
- if ((*i)->id() != (*io)->id()) {
- return false;
- }
- }
+ boost::shared_ptr<Region> r = RegionFactory::create (srcs, _start, _length, new_name, _layer, f);
+ boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
- for (i = master_sources.begin(), io = other->master_sources.begin(); i != master_sources.end() && io != other->master_sources.end(); ++i, ++io) {
- if ((*i)->id() != (*io)->id()) {
- return false;
- }
+ v.push_back (ar);
+
+ ++n;
}
- return true;
+ return 0;
}
-int
-AudioRegion::apply (AudioFilter& filter)
+nframes_t
+AudioRegion::read_raw_internal (Sample* buf, nframes_t pos, nframes_t cnt) const
{
- boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (shared_from_this());
- return filter.run (ar);
+ return audio_source()->read (buf, pos, cnt);
}
+
int
-AudioRegion::exportme (Session& session, AudioExportSpecification& spec)
+AudioRegion::exportme (Session& session, ARDOUR::ExportSpecification& spec)
{
const nframes_t blocksize = 4096;
nframes_t to_read;
int status = -1;
- spec.channels = sources.size();
+ spec.channels = _sources.size();
if (spec.prepare (blocksize, session.frame_rate())) {
goto out;
if (spec.channels == 1) {
- if (sources.front()->read (spec.dataF, _start + spec.pos, to_read) != to_read) {
+ if (read_raw_internal (spec.dataF, _start + spec.pos, to_read) != to_read) {
goto out;
}
for (uint32_t chan = 0; chan < spec.channels; ++chan) {
- if (sources[chan]->read (buf, _start + spec.pos, to_read) != to_read) {
+ if (audio_source(chan)->read (buf, _start + spec.pos, to_read) != to_read) {
goto out;
}
return status;
}
-boost::shared_ptr<Region>
-AudioRegion::get_parent() const
-{
- boost::shared_ptr<Playlist> pl (playlist());
-
- if (pl) {
- boost::shared_ptr<AudioRegion> ar;
- boost::shared_ptr<AudioRegion const> grrr2 = boost::dynamic_pointer_cast<AudioRegion const> (shared_from_this());
-
- if (grrr2 && (ar = pl->session().find_whole_file_parent (grrr2))) {
- return boost::static_pointer_cast<Region> (ar);
- }
- }
-
- return boost::shared_ptr<Region>();
-}
-
void
AudioRegion::set_scale_amplitude (gain_t g)
{
/* read it in */
- if (source (n)->read (buf, fpos, to_read) != to_read) {
+ if (read_raw_internal (buf, fpos, to_read) != to_read) {
return;
}
- maxamp = Session::compute_peak (buf, to_read, maxamp);
+ maxamp = compute_peak (buf, to_read, maxamp);
}
fpos += to_read;
AudioRegion::suspend_fade_in ()
{
if (++_fade_in_disabled == 1) {
- set_fade_in_active (false);
+ if (fade_in_is_default()) {
+ set_fade_in_active (false);
+ }
}
}
void
AudioRegion::resume_fade_in ()
{
- if (_fade_in_disabled && --_fade_in_disabled == 0) {
+ if (--_fade_in_disabled == 0 && _fade_in_disabled) {
set_fade_in_active (true);
}
}
AudioRegion::suspend_fade_out ()
{
if (++_fade_out_disabled == 1) {
- set_fade_out_active (false);
+ if (fade_out_is_default()) {
+ set_fade_out_active (false);
+ }
}
}
void
AudioRegion::resume_fade_out ()
{
- if (_fade_out_disabled && --_fade_out_disabled == 0) {
+ if (--_fade_out_disabled == 0 &&_fade_out_disabled) {
set_fade_out_active (true);
}
}
bool
AudioRegion::speed_mismatch (float sr) const
{
- if (sources.empty()) {
+ if (_sources.empty()) {
/* impossible, but ... */
return false;
}
- float fsr = sources.front()->sample_rate();
+ float fsr = audio_source()->sample_rate();
return fsr != sr;
}
void
AudioRegion::source_offset_changed ()
{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(sources.front());
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(_sources.front());
if (afs && afs->destructive()) {
// set_start (source()->natural_position(), this);
}
}
-void
-AudioRegion::set_playlist (boost::weak_ptr<Playlist> wpl)
+boost::shared_ptr<AudioSource>
+AudioRegion::audio_source (uint32_t n) const
{
- boost::shared_ptr<Playlist> old_playlist = (_playlist.lock());
- boost::shared_ptr<Playlist> pl (wpl.lock());
+ // Guaranteed to succeed (use a static cast for speed?)
+ return boost::dynamic_pointer_cast<AudioSource>(source(n));
+}
- if (old_playlist == pl) {
- return;
+int
+AudioRegion::get_transients (AnalysisFeatureList& results, bool force_new)
+{
+ boost::shared_ptr<Playlist> pl = playlist();
+
+ if (!pl) {
+ return -1;
}
- Region::set_playlist (wpl);
+ if (_valid_transients && !force_new) {
+ results = _transients;
+ return 0;
+ }
- if (pl) {
- if (old_playlist) {
- for (SourceList::const_iterator i = sources.begin(); i != sources.end(); ++i) {
- (*i)->remove_playlist (_playlist);
- (*i)->add_playlist (pl);
- }
- } else {
- for (SourceList::const_iterator i = sources.begin(); i != sources.end(); ++i) {
- (*i)->add_playlist (pl);
- }
+ SourceList::iterator s;
+
+ for (s = _sources.begin() ; s != _sources.end(); ++s) {
+ if (!(*s)->has_been_analysed()) {
+ cerr << "For " << name() << " source " << (*s)->name() << " has not been analyzed\n";
+ break;
}
- } else {
- if (old_playlist) {
- for (SourceList::const_iterator i = sources.begin(); i != sources.end(); ++i) {
- (*i)->remove_playlist (_playlist);
- }
+ }
+
+ if (s == _sources.end()) {
+ /* all sources are analyzed, merge data from each one */
+
+ for (s = _sources.begin() ; s != _sources.end(); ++s) {
+
+ /* find the set of transients within the bounds of this region */
+
+ AnalysisFeatureList::iterator low = lower_bound ((*s)->transients.begin(),
+ (*s)->transients.end(),
+ _start);
+
+ AnalysisFeatureList::iterator high = upper_bound ((*s)->transients.begin(),
+ (*s)->transients.end(),
+ _start + _length);
+
+ /* and add them */
+
+ results.insert (results.end(), low, high);
+ }
+
+ TransientDetector::cleanup_transients (results, pl->session().frame_rate(), 3.0);
+
+ /* translate all transients to current position */
+
+ for (AnalysisFeatureList::iterator x = results.begin(); x != results.end(); ++x) {
+ (*x) -= _start;
+ (*x) += _position;
+ }
+
+ _transients = results;
+ _valid_transients = true;
+
+ return 0;
+ }
+
+ cerr << "startup analysis of " << _name << endl;
+
+ TransientDetector t (pl->session().frame_rate());
+ bool existing_results = !results.empty();
+
+ _transients.clear ();
+ _valid_transients = false;
+
+ for (uint32_t i = 0; i < n_channels(); ++i) {
+
+ AnalysisFeatureList these_results;
+
+ t.reset ();
+
+ cerr << "working on channel " << i << endl;
+
+ if (t.run ("", this, i, these_results)) {
+ return -1;
+ }
+
+ cerr << "done\n";
+
+ /* translate all transients to give absolute position */
+
+ for (AnalysisFeatureList::iterator i = these_results.begin(); i != these_results.end(); ++i) {
+ (*i) += _position;
+ }
+
+ /* merge */
+
+ _transients.insert (_transients.end(), these_results.begin(), these_results.end());
+ }
+
+ if (!results.empty()) {
+ if (existing_results) {
+
+ /* merge our transients into the existing ones, then clean up
+ those.
+ */
+
+ results.insert (results.end(), _transients.begin(), _transients.end());
+ TransientDetector::cleanup_transients (results, pl->session().frame_rate(), 3.0);
}
+
+ /* make sure ours are clean too */
+
+ TransientDetector::cleanup_transients (_transients, pl->session().frame_rate(), 3.0);
+
+ } else {
+
+ TransientDetector::cleanup_transients (_transients, pl->session().frame_rate(), 3.0);
+ results = _transients;
}
+
+ _valid_transients = true;
+
+ return 0;
}
extern "C" {
uint32_t sourcefile_length_from_c (void *arg, double zoom_factor)
{
- return ( (AudioRegion *) arg)->source()->available_peaks (zoom_factor) ;
+ return ( (AudioRegion *) arg)->audio_source()->available_peaks (zoom_factor) ;
}
} /* extern "C" */
projects / ardour.git / blobdiff