/*
- Copyright (C) 2000-2006 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
#include <cmath>
#include <climits>
#include <cfloat>
+#include <algorithm>
#include <set>
#include <glibmm/thread.h>
-#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/audiofilesource.h>
-#include <ardour/region_factory.h>
-#include <ardour/runtime_functions.h>
+#include "pbd/basename.h"
+#include "pbd/xml++.h"
+#include "pbd/stacktrace.h"
+#include "pbd/enumwriter.h"
+#include "pbd/convert.h"
+
+#include "evoral/Curve.hpp"
+
+#include "ardour/audioregion.h"
+#include "ardour/session.h"
+#include "ardour/gain.h"
+#include "ardour/dB.h"
+#include "ardour/playlist.h"
+#include "ardour/audiofilesource.h"
+#include "ardour/region_factory.h"
+#include "ardour/runtime_functions.h"
+#include "ardour/transient_detector.h"
#include "i18n.h"
#include <locale.h>
set_default_envelope ();
listen_to_my_curves ();
+ connect_to_analysis_changed ();
}
-/* constructor for use by derived types only */
+/** 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))
+ , _automatable(s)
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
{
init ();
+ assert (_sources.size() == _master_sources.size());
}
/** 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))
+ , _automatable(src->session())
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
{
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
if (afs) {
}
init ();
+ assert (_sources.size() == _master_sources.size());
}
/* 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))
+ , _automatable(src->session())
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
{
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
if (afs) {
}
init ();
+ assert (_sources.size() == _master_sources.size());
}
-/* Basic AudioRegion constructor (many channels) */
-AudioRegion::AudioRegion (SourceList& srcs, nframes_t start, nframes_t length, const string& name, layer_t layer, Flag flags)
+/** 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))
+ , _automatable(srcs[0]->session())
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
{
init ();
+ connect_to_analysis_changed ();
+ assert (_sources.size() == _master_sources.size());
}
-
/** 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 (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))
+ , _automatable(other->session())
+ , _fade_in (new AutomationList(*other->_fade_in))
+ , _fade_out (new AutomationList(*other->_fade_out))
+ , _envelope (new AutomationList(*other->_envelope, offset, offset + length))
{
- set<boost::shared_ptr<Source> > unique_srcs;
-
- for (SourceList::const_iterator i= other->_sources.begin(); i != other->_sources.end(); ++i) {
- _sources.push_back (*i);
-
- 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) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
- }
- }
- }
+ connect_to_header_position_offset_changed ();
/* return to default fades if the existing ones are too long */
- init ();
if (_flags & LeftOfSplit) {
if (_fade_in->back()->when >= _length) {
_scale_amplitude = other->_scale_amplitude;
assert(_type == DataType::AUDIO);
+
+ listen_to_my_curves ();
+ connect_to_analysis_changed ();
+
+ assert (_sources.size() == _master_sources.size());
}
AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other)
: 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))
+ , _automatable (other->session())
+ , _fade_in (new AutomationList (*other->_fade_in))
+ , _fade_out (new AutomationList (*other->_fade_out))
+ , _envelope (new AutomationList (*other->_envelope))
{
+ assert(_type == DataType::AUDIO);
_scale_amplitude = other->_scale_amplitude;
- _envelope = other->_envelope;
- set_default_fades ();
-
listen_to_my_curves ();
+ connect_to_analysis_changed ();
- assert(_type == DataType::AUDIO);
+ assert (_sources.size() == _master_sources.size());
+}
+
+AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other, const SourceList& /*srcs*/,
+ nframes_t length, const string& name, layer_t layer, Flag flags)
+ : Region (other, length, name, layer, flags)
+ , _automatable (other->session())
+ , _fade_in (new AutomationList (*other->_fade_in))
+ , _fade_out (new AutomationList (*other->_fade_out))
+ , _envelope (new AutomationList (*other->_envelope))
+{
+ /* make-a-sort-of-copy-with-different-sources constructor (used by audio filter) */
+
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
+
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> ((*i));
+ if (afs) {
+ afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
+ }
+ }
+
+ _scale_amplitude = other->_scale_amplitude;
+
+ _fade_in_disabled = 0;
+ _fade_out_disabled = 0;
+
+ listen_to_my_curves ();
+ connect_to_analysis_changed ();
+
+ assert (_sources.size() == _master_sources.size());
}
AudioRegion::AudioRegion (boost::shared_ptr<AudioSource> src, const XMLNode& node)
: 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))
+ , _automatable(src->session())
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
{
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
if (afs) {
init ();
- if (set_state (node)) {
+ if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor();
}
assert(_type == DataType::AUDIO);
+ connect_to_analysis_changed ();
+
+ assert (_sources.size() == _master_sources.size());
}
AudioRegion::AudioRegion (SourceList& srcs, const XMLNode& node)
: 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))
+ , _automatable(srcs[0]->session())
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
{
init ();
- if (set_state (node)) {
+ if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor();
}
assert(_type == DataType::AUDIO);
+ connect_to_analysis_changed ();
+ assert (_sources.size() == _master_sources.size());
}
AudioRegion::~AudioRegion ()
}
void
-AudioRegion::listen_to_my_curves ()
+AudioRegion::connect_to_analysis_changed ()
{
- _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;
- } else {
- return Region::verify_length(len);
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
+ (*i)->AnalysisChanged.connect (mem_fun (*this, &AudioRegion::invalidate_transients));
}
}
-bool
-AudioRegion::verify_start_and_length (nframes_t new_start, nframes_t new_length)
+void
+AudioRegion::connect_to_header_position_offset_changed ()
{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
-
- if (afs && afs->destructive()) {
- return true;
- } else {
- return Region::verify_start_and_length(new_start, new_length);
- }
-}
+ set<boost::shared_ptr<Source> > unique_srcs;
-bool
-AudioRegion::verify_start (nframes_t pos)
-{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
- if (afs && afs->destructive()) {
- return true;
- } else {
- return Region::verify_start(pos);
+ if (unique_srcs.find (*i) == unique_srcs.end ()) {
+ unique_srcs.insert (*i);
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*i);
+ if (afs) {
+ afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
+ }
+ }
}
}
-bool
-AudioRegion::verify_start_mutable (nframes_t& new_start)
+void
+AudioRegion::listen_to_my_curves ()
{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
-
- if (afs && afs->destructive()) {
- return true;
- } else {
- return Region::verify_start_mutable(new_start);
- }
+ _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));
}
void
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()) {
- return 0;
+ return 0;
}
if (audio_source(chan_n)->read_peaks (buf, npeaks, offset, cnt, samples_per_unit)) {
}
}
-ARDOUR::nframes_t
-AudioRegion::read_at (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nframes_t position, nframes_t cnt, uint32_t chan_n) const
+nframes_t
+AudioRegion::read (Sample* buf, sframes_t timeline_position, nframes_t cnt, int channel) const
{
- return _read_at (_sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n);
+ /* raw read, no fades, no gain, nada */
+ return _read_at (_sources, _length, buf, 0, 0, _position + timeline_position, cnt, channel, 0, 0, ReadOps (0));
}
-ARDOUR::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
+nframes_t
+AudioRegion::read_with_ops (Sample* buf, sframes_t file_position, nframes_t cnt, int channel, ReadOps rops) const
{
- return _read_at (_master_sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n);
+ return _read_at (_sources, _length, buf, 0, 0, file_position, cnt, channel, 0, 0, rops);
}
-ARDOUR::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) const
+nframes_t
+AudioRegion::read_at (Sample *buf, Sample *mixdown_buffer, float *gain_buffer,
+ sframes_t file_position, nframes_t cnt, uint32_t chan_n,
+ nframes_t read_frames, nframes_t skip_frames) const
{
- // cerr << _name << "._read_at(" << position << ") - " << _position << endl;
+ /* regular diskstream/butler read complete with fades etc */
+ return _read_at (_sources, _length, buf, mixdown_buffer, gain_buffer,
+ file_position, cnt, chan_n, read_frames, skip_frames, ReadOps (~0));
+}
+nframes_t
+AudioRegion::master_read_at (Sample *buf, Sample *mixdown_buffer, float *gain_buffer,
+ sframes_t position, nframes_t cnt, uint32_t chan_n) const
+{
+ /* do not read gain/scaling/fades and do not count this disk i/o in statistics */
+
+ return _read_at (_master_sources, _master_sources.front()->length(_master_sources.front()->timeline_position()),
+ buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, 0, 0, ReadOps (0));
+}
+
+nframes_t
+AudioRegion::_read_at (const SourceList& /*srcs*/, nframes_t limit,
+ Sample *buf, Sample *mixdown_buffer, float *gain_buffer,
+ sframes_t position, nframes_t cnt,
+ uint32_t chan_n,
+ nframes_t /*read_frames*/,
+ nframes_t /*skip_frames*/,
+ ReadOps rops) const
+{
nframes_t internal_offset;
nframes_t buf_offset;
nframes_t to_read;
+ bool raw = (rops == ReadOpsNone);
- if (muted()) {
+ if (muted() && !raw) {
return 0; /* read nothing */
}
buf_offset = 0;
}
- if (internal_offset >= _length) {
+ if (internal_offset >= limit) {
return 0; /* read nothing */
}
- if ((to_read = min (cnt, _length - internal_offset)) == 0) {
+ if ((to_read = min (cnt, limit - internal_offset)) == 0) {
return 0; /* read nothing */
}
- if (opaque()) {
+ if (opaque() || raw) {
/* overwrite whatever is there */
mixdown_buffer = buf + buf_offset;
} else {
mixdown_buffer += buf_offset;
}
- _read_data_count = 0;
+ if (rops & ReadOpsCount) {
+ _read_data_count = 0;
+ }
if (chan_n < n_channels()) {
-
+
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" */
}
- _read_data_count += src->read_data_count();
+ if (rops & ReadOpsCount) {
+ _read_data_count += src->read_data_count();
+ }
} else {
-
+
/* track is N-channel, this region has less channels; silence the ones
we don't have.
*/
memset (mixdown_buffer, 0, sizeof (Sample) * cnt);
+ }
- /* no fades required */
+ if (rops & ReadOpsFades) {
- goto merge;
- }
+ /* fade in */
- /* fade in */
+ if ((_flags & FadeIn) && _session.config.get_use_region_fades()) {
- if (_flags & FadeIn) {
+ nframes_t fade_in_length = (nframes_t) _fade_in->back()->when;
- nframes_t fade_in_length = (nframes_t) _fade_in->back()->when;
-
- /* see if this read is within the fade in */
+ /* see if this read is within the fade in */
- if (internal_offset < fade_in_length) {
-
- nframes_t limit;
+ if (internal_offset < fade_in_length) {
- limit = min (to_read, fade_in_length - internal_offset);
+ nframes_t fi_limit;
- _fade_in->curve().get_vector (internal_offset, internal_offset+limit, gain_buffer, limit);
+ fi_limit = min (to_read, fade_in_length - internal_offset);
- for (nframes_t n = 0; n < limit; ++n) {
- mixdown_buffer[n] *= gain_buffer[n];
+
+ _fade_in->curve().get_vector (internal_offset, internal_offset+fi_limit, gain_buffer, fi_limit);
+
+ for (nframes_t n = 0; n < fi_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 */
+ /* fade out */
+
+ if ((_flags & FadeOut) && _session.config.get_use_region_fades()) {
+
+ /* see if some part of this read is within the fade out */
/* ................. >| REGION
- _length
-
+ limit
+
{ } FADE
fade_out_length
- ^
- _length - fade_out_length
+ ^
+ limit - fade_out_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
+ [limit - fade_out_length, limit]
*/
-
- 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 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];
+
+ nframes_t fade_out_length = (nframes_t) _fade_out->back()->when;
+ nframes_t fade_interval_start = max(internal_offset, limit-fade_out_length);
+ nframes_t fade_interval_end = min(internal_offset + to_read, limit);
+
+ if (fade_interval_end > fade_interval_start) {
+ /* (part of the) the fade out is in this buffer */
+
+ nframes_t fo_limit = fade_interval_end - fade_interval_start;
+ nframes_t curve_offset = fade_interval_start - (limit-fade_out_length);
+ nframes_t fade_offset = fade_interval_start - internal_offset;
+
+ _fade_out->curve().get_vector (curve_offset, curve_offset+fo_limit, gain_buffer, fo_limit);
+
+ for (nframes_t n = 0, m = fade_offset; n < fo_limit; ++n, ++m) {
+ mixdown_buffer[m] *= gain_buffer[n];
+ }
}
- }
+ }
}
- /* Regular gain curves */
+ /* Regular gain curves and scaling */
- if (envelope_active()) {
+ if ((rops & ReadOpsOwnAutomation) && envelope_active()) {
_envelope->curve().get_vector (internal_offset, internal_offset + to_read, gain_buffer, to_read);
-
- if (_scale_amplitude != 1.0f) {
+
+ if ((rops & ReadOpsOwnScaling) && _scale_amplitude != 1.0f) {
for (nframes_t n = 0; n < to_read; ++n) {
mixdown_buffer[n] *= gain_buffer[n] * _scale_amplitude;
}
mixdown_buffer[n] *= gain_buffer[n];
}
}
- } else if (_scale_amplitude != 1.0f) {
- apply_gain_to_buffer (mixdown_buffer, to_read, _scale_amplitude);
- }
+ } else if ((rops & ReadOpsOwnScaling) && _scale_amplitude != 1.0f) {
+
+ // XXX this should be using what in 2.0 would have been:
+ // Session::apply_gain_to_buffer (mixdown_buffer, to_read, _scale_amplitude);
- merge:
+ for (nframes_t n = 0; n < to_read; ++n) {
+ mixdown_buffer[n] *= _scale_amplitude;
+ }
+ }
if (!opaque()) {
*/
buf += buf_offset;
-
+
for (nframes_t n = 0; n < to_read; ++n) {
buf[n] += mixdown_buffer[n];
}
- }
-
+ }
+
return to_read;
}
-
+
XMLNode&
AudioRegion::state (bool full)
{
char buf[64];
char buf2[64];
LocaleGuard lg (X_("POSIX"));
-
+
node.add_property ("flags", enum_2_string (_flags));
snprintf (buf, sizeof(buf), "%.12g", _scale_amplitude);
node.add_property ("channels", buf);
if (full) {
-
+
child = node.add_child (X_("FadeIn"));
-
+
if ((_flags & DefaultFadeIn)) {
child->add_property (X_("default"), X_("yes"));
} else {
child->add_child_nocopy (_fade_in->get_state ());
}
- child->add_property (X_("active"), _fade_in_disabled ? X_("no") : X_("yes"));
-
+ child->add_property (X_("active"), fade_in_active () ? X_("yes") : X_("no"));
+
child = node.add_child (X_("FadeOut"));
-
+
if ((_flags & DefaultFadeOut)) {
child->add_property (X_("default"), X_("yes"));
} else {
child->add_child_nocopy (_fade_out->get_state ());
}
-
- child->add_property (X_("active"), _fade_out_disabled ? X_("no") : X_("yes"));
+
+ child->add_property (X_("active"), fade_out_active () ? X_("yes") : X_("no"));
}
-
+
child = node.add_child ("Envelope");
if (full) {
bool default_env = false;
-
+
// 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->front()->when == 0 && _envelope->back()->when == _length) {
default_env = true;
}
- }
+ }
if (default_env) {
child->add_property ("default", "yes");
}
int
-AudioRegion::set_live_state (const XMLNode& node, Change& what_changed, bool send)
+AudioRegion::set_live_state (const XMLNode& node, int version, Change& what_changed, bool send)
{
const XMLNodeList& nlist = node.children();
const XMLProperty *prop;
LocaleGuard lg (X_("POSIX"));
- Region::set_live_state (node, what_changed, false);
+ Region::set_live_state (node, version, what_changed, false);
uint32_t old_flags = _flags;
-
+
if ((prop = node.property ("flags")) != 0) {
_flags = Flag (string_2_enum (prop->value(), _flags));
_flags = Flag (_flags & ~Region::RightOfSplit);
}
+ /* leave this flag setting in place, no matter what */
+
+ if ((old_flags & DoNotSendPropertyChanges)) {
+ _flags = Flag (_flags | DoNotSendPropertyChanges);
+ }
+
+ /* find out if any flags changed that we signal about */
+
if ((old_flags ^ _flags) & Muted) {
what_changed = Change (what_changed|MuteChanged);
}
} else {
_scale_amplitude = 1.0;
}
-
+
/* Now find envelope description and other misc child items */
-
+
for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
+
XMLNode *child;
XMLProperty *prop;
-
+
child = (*niter);
-
+
if (child->name() == "Envelope") {
_envelope->clear ();
- if ((prop = child->property ("default")) != 0 || _envelope->set_state (*child)) {
+ if ((prop = child->property ("default")) != 0 || _envelope->set_state (*child, version)) {
set_default_envelope ();
}
_envelope->truncate_end (_length);
} else if (child->name() == "FadeIn") {
-
+
_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, version);
+ }
+ }
+
+ if ((prop = child->property ("active")) != 0) {
+ if (string_is_affirmative (prop->value())) {
+ set_fade_in_active (true);
+ } else {
+ set_fade_in_active (false);
+ }
+ }
} else if (child->name() == "FadeOut") {
-
+
_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, version);
+ }
+ }
+
+ if ((prop = child->property ("active")) != 0) {
+ if (string_is_affirmative (prop->value())) {
+ set_fade_out_active (true);
+ } else {
+ set_fade_out_active (false);
+ }
+ }
+
+ }
}
if (send) {
}
int
-AudioRegion::set_state (const XMLNode& node)
+AudioRegion::set_state (const XMLNode& node, int version)
{
/* Region::set_state() calls the virtual set_live_state(),
which will get us back to AudioRegion::set_live_state()
to handle the relevant stuff.
*/
- return Region::set_state (node);
+ return Region::set_state (node, version);
}
void
void
AudioRegion::set_default_fade_in ()
{
+ _fade_in_disabled = 0;
set_fade_in (Linear, 64);
}
void
AudioRegion::set_default_fade_out ()
{
+ _fade_out_disabled = 0;
set_fade_out (Linear, 64);
}
void
AudioRegion::set_default_fades ()
{
- _fade_in_disabled = 0;
- _fade_out_disabled = 0;
set_default_fade_in ();
set_default_fade_out ();
}
void
AudioRegion::recompute_at_end ()
{
- /* our length has changed. recompute a new final point by interpolating
+ /* our length has changed. recompute a new final point by interpolating
based on the the existing curve.
*/
-
+
_envelope->freeze ();
_envelope->truncate_end (_length);
_envelope->set_max_xval (_length);
_fade_out->extend_to (_length);
send_change (FadeOutChanged);
}
-}
+}
void
AudioRegion::recompute_at_start ()
}
int
-AudioRegion::separate_by_channel (Session& session, vector<boost::shared_ptr<AudioRegion> >& v) const
+AudioRegion::separate_by_channel (Session& /*session*/, vector<boost::shared_ptr<Region> >& v) const
{
SourceList srcs;
string new_name;
- int n;
+ int n = 0;
if (_sources.size() < 2) {
return 0;
}
- n = 0;
-
for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
-
srcs.clear ();
srcs.push_back (*i);
new_name += ('0' + n + 1);
}
- /* 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).
+ /* 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).
*/
Flag f = Flag (_flags & ~WholeFile);
- 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);
+ v.push_back(RegionFactory::create (srcs, _start, _length, new_name, _layer, f));
- v.push_back (ar);
-
++n;
}
}
nframes_t
-AudioRegion::read_raw_internal (Sample* buf, nframes_t pos, nframes_t cnt) const
+AudioRegion::read_raw_internal (Sample* buf, sframes_t pos, nframes_t cnt, int channel) const
{
- return audio_source()->read (buf, pos, cnt);
+ return audio_source()->read (buf, pos, cnt, channel);
}
-
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();
-
- if (spec.prepare (blocksize, session.frame_rate())) {
- goto out;
- }
-
- spec.pos = 0;
- spec.total_frames = _length;
-
- while (spec.pos < _length && !spec.stop) {
-
-
- /* step 1: interleave */
-
- to_read = min (_length - spec.pos, blocksize);
-
- if (spec.channels == 1) {
-
- if (read_raw_internal (spec.dataF, _start + spec.pos, to_read) != to_read) {
- goto out;
- }
-
- } else {
-
- Sample buf[blocksize];
-
- for (uint32_t chan = 0; chan < spec.channels; ++chan) {
-
- if (audio_source(chan)->read (buf, _start + spec.pos, to_read) != to_read) {
- goto out;
- }
-
- for (nframes_t x = 0; x < to_read; ++x) {
- spec.dataF[chan+(x*spec.channels)] = buf[x];
- }
- }
- }
-
- if (spec.process (to_read)) {
- goto out;
- }
-
- spec.pos += to_read;
- spec.progress = (double) spec.pos /_length;
-
- }
-
- status = 0;
-
- out:
- spec.running = false;
- spec.status = status;
- spec.clear();
-
- return status;
+ // TODO EXPORT
+// const nframes_t blocksize = 4096;
+// nframes_t to_read;
+// int status = -1;
+//
+// spec.channels = _sources.size();
+//
+// if (spec.prepare (blocksize, session.frame_rate())) {
+// goto out;
+// }
+//
+// spec.pos = 0;
+// spec.total_frames = _length;
+//
+// while (spec.pos < _length && !spec.stop) {
+//
+//
+// /* step 1: interleave */
+//
+// to_read = min (_length - spec.pos, blocksize);
+//
+// if (spec.channels == 1) {
+//
+// if (read_raw_internal (spec.dataF, _start + spec.pos, to_read) != to_read) {
+// goto out;
+// }
+//
+// } else {
+//
+// Sample buf[blocksize];
+//
+// for (uint32_t chan = 0; chan < spec.channels; ++chan) {
+//
+// if (audio_source(chan)->read (buf, _start + spec.pos, to_read) != to_read) {
+// goto out;
+// }
+//
+// for (nframes_t x = 0; x < to_read; ++x) {
+// spec.dataF[chan+(x*spec.channels)] = buf[x];
+// }
+// }
+// }
+//
+// if (spec.process (to_read)) {
+// goto out;
+// }
+//
+// spec.pos += to_read;
+// spec.progress = (double) spec.pos /_length;
+//
+// }
+//
+// status = 0;
+//
+// out:
+// spec.running = false;
+// spec.status = status;
+// spec.clear();
+//
+// return status;
+ return 0;
}
void
_scale_amplitude = g;
/* tell the diskstream we're in */
-
+
if (pl) {
pl->Modified();
}
/* read it in */
- if (read_raw_internal (buf, fpos, to_read) != to_read) {
+ if (read_raw_internal (buf, fpos, to_read, 0) != to_read) {
return;
}
-
+
maxamp = compute_peak (buf, to_read, maxamp);
}
void
AudioRegion::source_offset_changed ()
{
+ /* XXX this fixes a crash that should not occur. It does occur
+ becauses regions are not being deleted when a session
+ is unloaded. That bug must be fixed.
+ */
+
+ if (_sources.empty()) {
+ return;
+ }
+
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(_sources.front());
if (afs && afs->destructive()) {
// set_start (source()->natural_position(), this);
set_position (source()->natural_position(), this);
- }
+ }
}
boost::shared_ptr<AudioSource>
return boost::dynamic_pointer_cast<AudioSource>(source(n));
}
+int
+AudioRegion::get_transients (AnalysisFeatureList& results, bool force_new)
+{
+ boost::shared_ptr<Playlist> pl = playlist();
+
+ if (!pl) {
+ return -1;
+ }
+
+ if (_valid_transients && !force_new) {
+ results = _transients;
+ return 0;
+ }
+
+ 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;
+ }
+ }
+
+ 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;
+ }
+
+ /* no existing/complete transient info */
+
+ if (!Config->get_auto_analyse_audio()) {
+ pl->session().Dialog (_("\
+You have requested an operation that requires audio analysis.\n\n\
+You currently have \"auto-analyse-audio\" disabled, which means\n\
+that transient data must be generated every time it is required.\n\n\
+If you are doing work that will require transient data on a\n\
+regular basis, you should probably enable \"auto-analyse-audio\"\n\
+then quit ardour and restart."));
+ }
+
+ 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 ();
+
+ if (t.run ("", this, i, these_results)) {
+ return -1;
+ }
+
+ /* 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;
+}
+
+/** Find areas of `silence' within a region.
+ *
+ * @param threshold Threshold below which signal is considered silence (as a sample value)
+ * @param min_length Minimum length of silent period to be reported.
+ * @return Silent periods; first of pair is the offset within the region, second is the length of the period
+ */
+
+std::list<std::pair<nframes_t, nframes_t> >
+AudioRegion::find_silence (Sample threshold, nframes_t min_length) const
+{
+ nframes_t const block_size = 64 * 1024;
+ Sample loudest[block_size];
+ Sample buf[block_size];
+
+ nframes_t pos = _start;
+ nframes_t const end = _start + _length - 1;
+
+ std::list<std::pair<nframes_t, nframes_t> > silent_periods;
+
+ bool in_silence = false;
+ nframes_t silence_start = 0;
+ bool silence;
+
+ while (pos < end) {
+
+ /* fill `loudest' with the loudest absolute sample at each instant, across all channels */
+ memset (loudest, 0, sizeof (Sample) * block_size);
+ for (uint32_t n = 0; n < n_channels(); ++n) {
+
+ read_raw_internal (buf, pos, block_size, n);
+ for (nframes_t i = 0; i < block_size; ++i) {
+ loudest[i] = max (loudest[i], abs (buf[i]));
+ }
+ }
+
+ /* now look for silence */
+ for (nframes_t i = 0; i < block_size; ++i) {
+ silence = abs (loudest[i]) < threshold;
+ if (silence && !in_silence) {
+ /* non-silence to silence */
+ in_silence = true;
+ silence_start = pos + i;
+ } else if (!silence && in_silence) {
+ /* silence to non-silence */
+ in_silence = false;
+ if (pos + i - 1 - silence_start >= min_length) {
+ silent_periods.push_back (std::make_pair (silence_start, pos + i - 1));
+ }
+ }
+ }
+
+ pos += block_size;
+ }
+
+ if (in_silence && end - 1 - silence_start >= min_length) {
+ /* last block was silent, so finish off the last period */
+ silent_periods.push_back (std::make_pair (silence_start, end));
+ }
+
+ return silent_periods;
+}
+
+
extern "C" {
- int region_read_peaks_from_c (void *arg, uint32_t npeaks, uint32_t start, uint32_t cnt, intptr_t data, uint32_t n_chan, double samples_per_unit)
+ int region_read_peaks_from_c (void *arg, uint32_t npeaks, uint32_t start, uint32_t cnt, intptr_t data, uint32_t n_chan, double samples_per_unit)
{
return ((AudioRegion *) arg)->read_peaks ((PeakData *) data, (nframes_t) npeaks, (nframes_t) start, (nframes_t) cnt, n_chan,samples_per_unit);
}
projects / ardour.git / blobdiff