/*
- 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 <set>
-#include <sigc++/bind.h>
-#include <sigc++/class_slot.h>
#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 <ardour/transient_detector.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/debug.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>
using namespace ARDOUR;
using namespace PBD;
-/* a Session will reset these to its chosen defaults by calling AudioRegion::set_default_fade() */
+namespace ARDOUR {
+ namespace Properties {
+ PBD::PropertyDescriptor<bool> envelope_active;
+ PBD::PropertyDescriptor<bool> default_fade_in;
+ PBD::PropertyDescriptor<bool> default_fade_out;
+ PBD::PropertyDescriptor<bool> fade_in_active;
+ PBD::PropertyDescriptor<bool> fade_out_active;
+ PBD::PropertyDescriptor<float> scale_amplitude;
+ }
+}
+
+void
+AudioRegion::make_property_quarks ()
+{
+ Properties::envelope_active.property_id = g_quark_from_static_string (X_("envelope-active"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for envelope-active = %1\n", Properties::envelope_active.property_id));
+ Properties::default_fade_in.property_id = g_quark_from_static_string (X_("default-fade-in"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for default-fade-in = %1\n", Properties::default_fade_in.property_id));
+ Properties::default_fade_out.property_id = g_quark_from_static_string (X_("default-fade-out"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for default-fade-out = %1\n", Properties::default_fade_out.property_id));
+ Properties::fade_in_active.property_id = g_quark_from_static_string (X_("fade-in-active"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for fade-in-active = %1\n", Properties::fade_in_active.property_id));
+ Properties::fade_out_active.property_id = g_quark_from_static_string (X_("fade-out-active"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for fade-out-active = %1\n", Properties::fade_out_active.property_id));
+ Properties::scale_amplitude.property_id = g_quark_from_static_string (X_("scale-amplitude"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for scale-amplitude = %1\n", Properties::scale_amplitude.property_id));
+}
+
+void
+AudioRegion::register_properties ()
+{
+ /* no need to register parent class properties */
+
+ add_property (_envelope_active);
+ add_property (_default_fade_in);
+ add_property (_default_fade_out);
+ add_property (_fade_in_active);
+ add_property (_fade_out_active);
+ add_property (_scale_amplitude);
+}
+
+#define AUDIOREGION_STATE_DEFAULT \
+ _envelope_active (Properties::envelope_active, false) \
+ , _default_fade_in (Properties::default_fade_in, true) \
+ , _default_fade_out (Properties::default_fade_out, true) \
+ , _fade_in_active (Properties::fade_in_active, true) \
+ , _fade_out_active (Properties::fade_out_active, true) \
+ , _scale_amplitude (Properties::scale_amplitude, 1.0)
+
+#define AUDIOREGION_COPY_STATE(other) \
+ _envelope_active (other->_envelope_active) \
+ , _default_fade_in (other->_default_fade_in) \
+ , _default_fade_out (other->_default_fade_out) \
+ , _fade_in_active (other->_fade_in_active) \
+ , _fade_out_active (other->_fade_out_active) \
+ , _scale_amplitude (other->_scale_amplitude)
-Change AudioRegion::FadeInChanged = ARDOUR::new_change();
-Change AudioRegion::FadeOutChanged = ARDOUR::new_change();
-Change AudioRegion::FadeInActiveChanged = ARDOUR::new_change();
-Change AudioRegion::FadeOutActiveChanged = ARDOUR::new_change();
-Change AudioRegion::EnvelopeActiveChanged = ARDOUR::new_change();
-Change AudioRegion::ScaleAmplitudeChanged = ARDOUR::new_change();
-Change AudioRegion::EnvelopeChanged = ARDOUR::new_change();
+/* a Session will reset these to its chosen defaults by calling AudioRegion::set_default_fade() */
void
AudioRegion::init ()
{
- _scale_amplitude = 1.0;
+ register_properties ();
set_default_fades ();
set_default_envelope ();
listen_to_my_curves ();
- listen_to_my_sources ();
+ connect_to_analysis_changed ();
+ connect_to_header_position_offset_changed ();
}
-/* 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))
+/** Constructor for use by derived types only */
+AudioRegion::AudioRegion (Session& s, framepos_t start, framecnt_t len, std::string name)
+ : Region (s, start, len, name, DataType::AUDIO)
+ , AUDIOREGION_STATE_DEFAULT
+ , _automatable (s)
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
+ , _fade_in_suspended (0)
+ , _fade_out_suspended (0)
{
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))
+/** Basic AudioRegion constructor */
+AudioRegion::AudioRegion (const SourceList& srcs)
+ : Region (srcs)
+ , AUDIOREGION_STATE_DEFAULT
+ , _automatable(srcs[0]->session())
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
+ , _fade_in_suspended (0)
+ , _fade_out_suspended (0)
{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
- if (afs) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
- }
-
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))
+AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other, nframes64_t offset, bool offset_relative)
+ : Region (other, offset, offset_relative)
+ , AUDIOREGION_COPY_STATE (other)
+ , _automatable (other->session())
+ , _fade_in (new AutomationList (*other->_fade_in))
+ , _fade_out (new AutomationList (*other->_fade_out))
+ /* XXX is this guaranteed to work for all values of offset+offset_relative? */
+ , _envelope (new AutomationList (*other->_envelope, _start, _start + _length))
+ , _fade_in_suspended (0)
+ , _fade_out_suspended (0)
{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
- if (afs) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
- }
-
- init ();
-}
+ /* don't use init here, because we got fade in/out from the other region
+ */
+ register_properties ();
+ listen_to_my_curves ();
+ connect_to_analysis_changed ();
+ connect_to_header_position_offset_changed ();
-/* 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 ();
+ assert(_type == DataType::AUDIO);
+ 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))
+AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other, const SourceList& srcs)
+ : Region (boost::static_pointer_cast<const Region>(other), srcs)
+ , AUDIOREGION_COPY_STATE (other)
+ , _automatable (other->session())
+ , _fade_in (new AutomationList (*other->_fade_in))
+ , _fade_out (new AutomationList (*other->_fade_out))
+ , _envelope (new AutomationList (*other->_envelope))
+ , _fade_in_suspended (0)
+ , _fade_out_suspended (0)
{
- set<boost::shared_ptr<Source> > unique_srcs;
+ /* make-a-sort-of-copy-with-different-sources constructor (used by audio filter) */
- for (SourceList::const_iterator i= other->_sources.begin(); i != other->_sources.end(); ++i) {
- _sources.push_back (*i);
+ register_properties ();
- pair<set<boost::shared_ptr<Source> >::iterator,bool> result;
+ listen_to_my_curves ();
+ connect_to_analysis_changed ();
+ connect_to_header_position_offset_changed ();
- 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));
- }
- }
- }
+ assert (_sources.size() == _master_sources.size());
+}
- /* return to default fades if the existing ones are too long */
+AudioRegion::AudioRegion (SourceList& srcs)
+ : Region (srcs)
+ , AUDIOREGION_STATE_DEFAULT
+ , _automatable(srcs[0]->session())
+ , _fade_in (new AutomationList(Evoral::Parameter(FadeInAutomation)))
+ , _fade_out (new AutomationList(Evoral::Parameter(FadeOutAutomation)))
+ , _envelope (new AutomationList(Evoral::Parameter(EnvelopeAutomation)))
+ , _fade_in_suspended (0)
+ , _fade_out_suspended (0)
+{
init ();
- if (_flags & LeftOfSplit) {
- if (_fade_in->back()->when >= _length) {
- set_default_fade_in ();
- } else {
- _fade_in_disabled = other->_fade_in_disabled;
- }
- set_default_fade_out ();
- _flags = Flag (_flags & ~Region::LeftOfSplit);
- }
-
- if (_flags & RightOfSplit) {
- if (_fade_out->back()->when >= _length) {
- set_default_fade_out ();
- } else {
- _fade_out_disabled = other->_fade_out_disabled;
- }
- set_default_fade_in ();
- _flags = Flag (_flags & ~Region::RightOfSplit);
- }
-
- _scale_amplitude = other->_scale_amplitude;
-
assert(_type == DataType::AUDIO);
- listen_to_my_sources ();
+ 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))
+AudioRegion::~AudioRegion ()
{
- assert(_type == DataType::AUDIO);
- _scale_amplitude = other->_scale_amplitude;
- _envelope = other->_envelope;
-
- set_default_fades ();
-
- listen_to_my_curves ();
- listen_to_my_sources ();
}
-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))
+void
+AudioRegion::post_set ()
{
- boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
- if (afs) {
- afs->HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioRegion::source_offset_changed));
+ if (!_sync_marked) {
+ _sync_position = _start;
}
- init ();
+ /* return to default fades if the existing ones are too long */
- if (set_state (node)) {
- throw failed_constructor();
+ if (_left_of_split) {
+ if (_fade_in->back()->when >= _length) {
+ set_default_fade_in ();
+ }
+ set_default_fade_out ();
+ _left_of_split = false;
}
- assert(_type == DataType::AUDIO);
- listen_to_my_sources ();
-}
-
-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))
-{
- init ();
+ if (_right_of_split) {
+ if (_fade_out->back()->when >= _length) {
+ set_default_fade_out ();
+ }
- if (set_state (node)) {
- throw failed_constructor();
+ set_default_fade_in ();
+ _right_of_split = false;
}
-
- assert(_type == DataType::AUDIO);
- listen_to_my_sources ();
}
-AudioRegion::~AudioRegion ()
+void
+AudioRegion::connect_to_analysis_changed ()
{
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
+ (*i)->AnalysisChanged.connect_same_thread (*this, boost::bind (&AudioRegion::invalidate_transients, this));
+ }
}
void
-AudioRegion::listen_to_my_sources ()
+AudioRegion::connect_to_header_position_offset_changed ()
{
+ set<boost::shared_ptr<Source> > unique_srcs;
+
for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
- (*i)->AnalysisChanged.connect (mem_fun (*this, &AudioRegion::invalidate_transients));
+
+ 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_same_thread (*this, boost::bind (&AudioRegion::source_offset_changed, this));
+ }
+ }
}
}
void
AudioRegion::listen_to_my_curves ()
{
- _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));
+ _envelope->StateChanged.connect_same_thread (*this, boost::bind (&AudioRegion::envelope_changed, this));
+ _fade_in->StateChanged.connect_same_thread (*this, boost::bind (&AudioRegion::fade_in_changed, this));
+ _fade_out->StateChanged.connect_same_thread (*this, boost::bind (&AudioRegion::fade_out_changed, this));
}
void
AudioRegion::set_envelope_active (bool yn)
{
if (envelope_active() != yn) {
- char buf[64];
- if (yn) {
- snprintf (buf, sizeof (buf), "envelope active");
- _flags = Flag (_flags|EnvelopeActive);
- } else {
- snprintf (buf, sizeof (buf), "envelope off");
- _flags = Flag (_flags & ~EnvelopeActive);
- }
- send_change (EnvelopeActiveChanged);
+ _envelope_active = yn;
+ send_change (PropertyChange (Properties::envelope_active));
}
}
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)) {
return 0;
} else {
- if (_scale_amplitude != 1.0) {
+ if (_scale_amplitude != 1.0f) {
for (nframes_t n = 0; n < npeaks; ++n) {
buf[n].max *= _scale_amplitude;
buf[n].min *= _scale_amplitude;
}
}
-nframes64_t
-AudioRegion::read (Sample* buf, nframes64_t position, nframes64_t cnt, int channel) const
+framecnt_t
+AudioRegion::read (Sample* buf, framepos_t timeline_position, framecnt_t cnt, int channel) const
{
/* raw read, no fades, no gain, nada */
- return _read_at (_sources, _length, buf, 0, 0, _position + position, cnt, channel, 0, 0, true);
+ return _read_at (_sources, _length, buf, 0, 0, _position + timeline_position, cnt, channel, 0, 0, ReadOps (0));
}
-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
+framecnt_t
+AudioRegion::read_with_ops (Sample* buf, framepos_t file_position, framecnt_t cnt, int channel, ReadOps rops) const
+{
+ return _read_at (_sources, _length, buf, 0, 0, file_position, cnt, channel, 0, 0, rops);
+}
+
+framecnt_t
+AudioRegion::read_at (Sample *buf, Sample *mixdown_buffer, float *gain_buffer,
+ framepos_t file_position, framecnt_t cnt, uint32_t chan_n,
+ framecnt_t read_frames, framecnt_t skip_frames) const
{
/* regular diskstream/butler read complete with fades etc */
- return _read_at (_sources, _length, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, read_frames, skip_frames, false);
+ 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, nframes_t position,
- nframes_t cnt, uint32_t chan_n) const
+framecnt_t
+AudioRegion::master_read_at (Sample *buf, Sample *mixdown_buffer, float *gain_buffer,
+ framepos_t position, framecnt_t cnt, uint32_t chan_n) const
{
- return _read_at (_master_sources, _master_sources.front()->length(), buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, 0, 0);
+ /* 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,
+framecnt_t
+AudioRegion::_read_at (const SourceList& /*srcs*/, framecnt_t limit,
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,
- bool raw) const
+ framepos_t position,
+ framecnt_t cnt,
+ uint32_t chan_n,
+ framecnt_t /*read_frames*/,
+ framecnt_t /*skip_frames*/,
+ ReadOps rops) const
{
- nframes_t internal_offset;
- nframes_t buf_offset;
- nframes_t to_read;
+ frameoffset_t internal_offset;
+ frameoffset_t buf_offset;
+ framecnt_t to_read;
+ bool raw = (rops == ReadOpsNone);
if (muted() && !raw) {
return 0; /* read nothing */
mixdown_buffer += buf_offset;
}
- if (!raw) {
+ if (rops & ReadOpsCount) {
_read_data_count = 0;
}
if (src->read (mixdown_buffer, _start + internal_offset, to_read) != to_read) {
return 0; /* "read nothing" */
}
-
- if (!raw) {
+
+ 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) {
- if (!raw) {
- goto merge;
- }
- }
+ /* fade in */
- /* fade in */
+ if (_fade_in_active && _session.config.get_use_region_fades()) {
- 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 fi_limit;
-
+
fi_limit = min (to_read, fade_in_length - internal_offset);
-
+
+
_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) {
+
+ if (_fade_out_active && _session.config.get_use_region_fades()) {
/* see if some part of this read is within the fade out */
-
+
/* ................. >| REGION
- limit
-
+ limit
+
{ } FADE
fade_out_length
- ^
- limit - 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
[limit - fade_out_length, limit]
-
+
*/
-
+
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);
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 */
-
- 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 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;
-
+ }
+
+ /* Regular gain curves and scaling */
+
+ if ((rops & ReadOpsOwnAutomation) && envelope_active()) {
+ _envelope->curve().get_vector (internal_offset, internal_offset + to_read, gain_buffer, to_read);
+
+ if ((rops & ReadOpsOwnScaling) && _scale_amplitude != 1.0f) {
for (nframes_t n = 0; n < to_read; ++n) {
- buf[n] += mixdown_buffer[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 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);
+
+ for (nframes_t n = 0; n < to_read; ++n) {
+ mixdown_buffer[n] *= _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;
}
-
+
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 ("scale-gain", buf);
// XXX these should move into Region
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 = 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"));
+ Stateful::add_properties (node);
}
-
+
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_state (const XMLNode& node, int version, PropertyChange& what_changed, bool send)
{
const XMLNodeList& nlist = node.children();
const XMLProperty *prop;
LocaleGuard lg (X_("POSIX"));
+ boost::shared_ptr<Playlist> the_playlist (_playlist.lock());
- Region::set_live_state (node, what_changed, false);
-
- uint32_t old_flags = _flags;
+ suspend_property_changes ();
- if ((prop = node.property ("flags")) != 0) {
- _flags = Flag (string_2_enum (prop->value(), _flags));
+ if (the_playlist) {
+ the_playlist->freeze ();
+ }
- //_flags = Flag (strtol (prop->value().c_str(), (char **) 0, 16));
- _flags = Flag (_flags & ~Region::LeftOfSplit);
- _flags = Flag (_flags & ~Region::RightOfSplit);
- }
+ /* this will set all our State members and stuff controlled by the Region.
+ It should NOT send any changed signals - that is our responsibility.
+ */
- if ((old_flags ^ _flags) & Muted) {
- what_changed = Change (what_changed|MuteChanged);
- }
- if ((old_flags ^ _flags) & Opaque) {
- what_changed = Change (what_changed|OpacityChanged);
- }
- if ((old_flags ^ _flags) & Locked) {
- what_changed = Change (what_changed|LockChanged);
- }
+ Region::_set_state (node, version, what_changed, false);
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;
+ float a = atof (prop->value().c_str());
+ if (a != _scale_amplitude) {
+ _scale_amplitude = a;
+ what_changed.add (Properties::scale_amplitude);
+ }
}
-
- /* Now find envelope description and other misc child items */
-
+
+ /* Now find envelope description and other related child items */
+
+ _envelope->freeze ();
+
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->set_max_xval (_length);
_envelope->truncate_end (_length);
+
} else if (child->name() == "FadeIn") {
-
+
_fade_in->clear ();
-
+
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);
+ _fade_in->set_state (*grandchild, version);
}
}
if ((prop = child->property ("active")) != 0) {
- if (prop->value() == "yes") {
+ if (string_is_affirmative (prop->value())) {
set_fade_in_active (true);
} else {
- set_fade_in_active (true);
+ set_fade_in_active (false);
}
}
} else if (child->name() == "FadeOut") {
-
+
_fade_out->clear ();
if ((prop = child->property ("default")) != 0 || (prop = child->property ("steepness")) != 0) {
} else {
XMLNode* grandchild = child->child ("AutomationList");
if (grandchild) {
- _fade_out->set_state (*grandchild);
- }
+ _fade_out->set_state (*grandchild, version);
+ }
}
if ((prop = child->property ("active")) != 0) {
- if (prop->value() == "yes") {
+ if (string_is_affirmative (prop->value())) {
set_fade_out_active (true);
} else {
set_fade_out_active (false);
}
}
- }
+ }
}
+ _envelope->thaw ();
+ resume_property_changes ();
+
if (send) {
send_change (what_changed);
}
+ if (the_playlist) {
+ the_playlist->thaw ();
+ }
+
return 0;
}
-int
-AudioRegion::set_state (const XMLNode& node)
+bool
+AudioRegion::set_property (const PropertyBase& prop)
{
- /* Region::set_state() calls the virtual set_live_state(),
- which will get us back to AudioRegion::set_live_state()
- to handle the relevant stuff.
- */
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("audio region %1 set property %2\n", _name.val(), prop.property_name()));
- return Region::set_state (node);
+ if (prop == Properties::envelope_active.property_id) {
+ bool val = dynamic_cast<const PropertyTemplate<bool>*>(&prop)->val();
+ if (val != _envelope_active) {
+ _envelope_active = val;
+ return true;
+ }
+ } else if (prop == Properties::default_fade_in.property_id) {
+ bool val = dynamic_cast<const PropertyTemplate<bool>*>(&prop)->val();
+ if (val != _default_fade_in) {
+ _default_fade_in = val;
+ return true;
+ }
+ } else if (prop == Properties::default_fade_out.property_id) {
+ bool val = dynamic_cast<const PropertyTemplate<bool>*>(&prop)->val();
+ if (val != _default_fade_out) {
+ _default_fade_out = val;
+ return true;
+ }
+ } else if (prop == Properties::fade_in_active.property_id) {
+ bool val = dynamic_cast<const PropertyTemplate<bool>*>(&prop)->val();
+ if (val != _fade_in_active) {
+ _fade_in_active = val;
+ return true;
+ }
+ } else if (prop == Properties::fade_out_active.property_id) {
+ bool val = dynamic_cast<const PropertyTemplate<bool>*>(&prop)->val();
+ if (val != _fade_out_active) {
+ _fade_out_active = val;
+ return true;
+ }
+ } else if (prop == Properties::scale_amplitude.property_id) {
+ gain_t val = dynamic_cast<const PropertyTemplate<gain_t>*>(&prop)->val();
+ if (val != _scale_amplitude) {
+ _scale_amplitude = val;
+ return true;
+ }
+ } else {
+ return Region::set_property (prop);
+ }
+
+ return false;
+}
+
+int
+AudioRegion::set_state (const XMLNode& node, int version)
+{
+ PropertyChange what_changed;
+ return _set_state (node, version, what_changed, true);
}
void
}
void
-AudioRegion::set_fade_in (FadeShape shape, nframes_t len)
+AudioRegion::set_fade_in (boost::shared_ptr<AutomationList> f)
+{
+ _fade_in->freeze ();
+ *_fade_in = *f;
+ _fade_in->thaw ();
+
+ send_change (PropertyChange (Properties::fade_in));
+}
+
+void
+AudioRegion::set_fade_in (FadeShape shape, framecnt_t len)
{
- _fade_in->freeze ();
+ _fade_in->freeze ();
_fade_in->clear ();
switch (shape) {
break;
}
- _fade_in->thaw ();
- _fade_in_shape = shape;
+ _fade_in->thaw ();
+}
+
+void
+AudioRegion::set_fade_out (boost::shared_ptr<AutomationList> f)
+{
+ _fade_out->freeze ();
+ *_fade_out = *f;
+ _fade_out->thaw ();
- send_change (FadeInChanged);
+ send_change (PropertyChange (Properties::fade_in));
}
void
-AudioRegion::set_fade_out (FadeShape shape, nframes_t len)
+AudioRegion::set_fade_out (FadeShape shape, framecnt_t len)
{
- _fade_out->freeze ();
+ _fade_out->freeze ();
_fade_out->clear ();
switch (shape) {
break;
}
- _fade_out->thaw ();
- _fade_out_shape = shape;
-
- send_change (FadeOutChanged);
+ _fade_out->thaw ();
}
void
-AudioRegion::set_fade_in_length (nframes_t len)
+AudioRegion::set_fade_in_length (framecnt_t len)
{
if (len > _length) {
len = _length - 1;
bool changed = _fade_in->extend_to (len);
if (changed) {
- _flags = Flag (_flags & ~DefaultFadeIn);
- send_change (FadeInChanged);
+ _default_fade_in = false;
+ send_change (PropertyChange (Properties::fade_in));
}
}
void
-AudioRegion::set_fade_out_length (nframes_t len)
+AudioRegion::set_fade_out_length (framecnt_t len)
{
if (len > _length) {
len = _length - 1;
bool changed = _fade_out->extend_to (len);
if (changed) {
- _flags = Flag (_flags & ~DefaultFadeOut);
- send_change (FadeOutChanged);
+ _default_fade_out = false;
+ send_change (PropertyChange (Properties::fade_out));
}
}
void
AudioRegion::set_fade_in_active (bool yn)
{
- if (yn == (_flags & FadeIn)) {
+ if (yn == _fade_in_active) {
return;
}
- if (yn) {
- _flags = Flag (_flags|FadeIn);
- } else {
- _flags = Flag (_flags & ~FadeIn);
- }
- send_change (FadeInActiveChanged);
+ _fade_in_active = yn;
+ send_change (PropertyChange (Properties::fade_in_active));
}
void
AudioRegion::set_fade_out_active (bool yn)
{
- if (yn == (_flags & FadeOut)) {
+ if (yn == _fade_out_active) {
return;
}
- if (yn) {
- _flags = Flag (_flags | FadeOut);
- } else {
- _flags = Flag (_flags & ~FadeOut);
- }
-
- send_change (FadeOutActiveChanged);
+ _fade_out_active = yn;
+ send_change (PropertyChange (Properties::fade_out_active));
}
bool
AudioRegion::fade_in_is_default () const
{
- return _fade_in_shape == Linear && _fade_in->back()->when == 64;
+ return _fade_in->size() == 2 && _fade_in->front()->when == 0 && _fade_in->back()->when == 64;
}
bool
AudioRegion::fade_out_is_default () const
{
- return _fade_out_shape == Linear && _fade_out->back()->when == 64;
+ return _fade_out->size() == 2 && _fade_out->front()->when == 0 && _fade_out->back()->when == 64;
}
void
AudioRegion::set_default_fade_in ()
{
+ _fade_in_suspended = 0;
set_fade_in (Linear, 64);
}
void
AudioRegion::set_default_fade_out ()
{
+ _fade_out_suspended = 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::set_default_envelope ()
{
- _envelope->freeze ();
+ _envelope->freeze ();
_envelope->clear ();
_envelope->fast_simple_add (0, 1.0f);
_envelope->fast_simple_add (_length, 1.0f);
- _envelope->thaw ();
+ _envelope->thaw ();
}
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->freeze ();
_envelope->truncate_end (_length);
_envelope->set_max_xval (_length);
- _envelope->thaw ();
+ _envelope->thaw ();
if (_fade_in->back()->when > _length) {
_fade_in->extend_to (_length);
- send_change (FadeInChanged);
+ send_change (PropertyChange (Properties::fade_in));
}
if (_fade_out->back()->when > _length) {
_fade_out->extend_to (_length);
- send_change (FadeOutChanged);
+ send_change (PropertyChange (Properties::fade_out));
}
-}
+}
void
AudioRegion::recompute_at_start ()
if (_fade_in->back()->when > _length) {
_fade_in->extend_to (_length);
- send_change (FadeInChanged);
+ send_change (PropertyChange (Properties::fade_in));
}
if (_fade_out->back()->when > _length) {
_fade_out->extend_to (_length);
- send_change (FadeOutChanged);
+ send_change (PropertyChange (Properties::fade_out));
}
}
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);
+ PropertyList plist;
+
+ plist.add (Properties::start, _start.val());
+ plist.add (Properties::length, _length.val());
+ plist.add (Properties::name, new_name);
+ plist.add (Properties::layer, _layer.val());
- 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, plist));
+ v.back()->set_whole_file (false);
- v.push_back (ar);
-
++n;
}
return 0;
}
-nframes_t
-AudioRegion::read_raw_internal (Sample* buf, nframes_t pos, nframes_t cnt) const
+framecnt_t
+AudioRegion::read_raw_internal (Sample* buf, framepos_t pos, framecnt_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, ARDOUR::ExportSpecification& 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();
+ pl->ContentsChanged();
}
/* tell everybody else */
- send_change (ScaleAmplitudeChanged);
+ send_change (PropertyChange (Properties::scale_amplitude));
}
void
AudioRegion::normalize_to (float target_dB)
{
- const nframes_t blocksize = 64 * 1024;
+ const framecnt_t blocksize = 64 * 1024;
Sample buf[blocksize];
- nframes_t fpos;
- nframes_t fend;
- nframes_t to_read;
+ framepos_t fpos;
+ framepos_t fend;
+ framecnt_t to_read;
double maxamp = 0;
gain_t target = dB_to_coefficient (target_dB);
/* 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);
}
boost::shared_ptr<Playlist> pl (playlist());
if (pl) {
- pl->Modified();
+ pl->ContentsChanged();
}
/* tell everybody else */
- send_change (ScaleAmplitudeChanged);
+ send_change (PropertyChange (Properties::scale_amplitude));
}
void
AudioRegion::fade_in_changed ()
{
- send_change (FadeInChanged);
+ send_change (PropertyChange (Properties::fade_in));
}
void
AudioRegion::fade_out_changed ()
{
- send_change (FadeOutChanged);
+ send_change (PropertyChange (Properties::fade_out));
}
void
AudioRegion::envelope_changed ()
{
- send_change (EnvelopeChanged);
+ send_change (PropertyChange (Properties::envelope));
}
void
AudioRegion::suspend_fade_in ()
{
- if (++_fade_in_disabled == 1) {
+ if (++_fade_in_suspended == 1) {
if (fade_in_is_default()) {
set_fade_in_active (false);
}
void
AudioRegion::resume_fade_in ()
{
- if (--_fade_in_disabled == 0 && _fade_in_disabled) {
+ if (--_fade_in_suspended == 0 && _fade_in_suspended) {
set_fade_in_active (true);
}
}
void
AudioRegion::suspend_fade_out ()
{
- if (++_fade_out_disabled == 1) {
+ if (++_fade_out_suspended == 1) {
if (fade_out_is_default()) {
set_fade_out_active (false);
}
void
AudioRegion::resume_fade_out ()
{
- if (--_fade_out_disabled == 0 &&_fade_out_disabled) {
+ if (--_fade_out_suspended == 0 &&_fade_out_suspended) {
set_fade_out_active (true);
}
}
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>
}
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 */
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) {
}
/* 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.
*/
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<frameoffset_t, framecnt_t> >
+AudioRegion::find_silence (Sample threshold, framecnt_t min_length, InterThreadInfo& itt) const
+{
+ framecnt_t const block_size = 64 * 1024;
+ Sample loudest[block_size];
+ Sample buf[block_size];
+
+ framepos_t pos = _start;
+ framepos_t const end = _start + _length - 1;
+
+ std::list<std::pair<frameoffset_t, framecnt_t> > silent_periods;
+
+ bool in_silence = false;
+ frameoffset_t silence_start = 0;
+ bool silence;
+
+ while (pos < end && !itt.cancel) {
+
+ /* 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 (framecnt_t i = 0; i < block_size; ++i) {
+ loudest[i] = max (loudest[i], abs (buf[i]));
+ }
+ }
+
+ /* now look for silence */
+ for (framecnt_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;
+ itt.progress = (end-pos)/(double)_length;
+ }
+
+ 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));
+ }
+
+ itt.done = true;
+
+ 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);
+ return ((AudioRegion *) arg)->read_peaks ((PeakData *) data, (framecnt_t) npeaks, (framepos_t) start, (framecnt_t) cnt, n_chan,samples_per_unit);
}
uint32_t region_length_from_c (void *arg)
projects / ardour.git / blobdiff