/*
- 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
#include <ardour/audiofilter.h>
#include <ardour/audiofilesource.h>
#include <ardour/region_factory.h>
+#include <ardour/runtime_functions.h>
#include "i18n.h"
#include <locale.h>
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 ();
listen_to_my_curves ();
}
-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),
+/* constructor for use by derived types only */
+AudioRegion::AudioRegion (nframes_t start, nframes_t length, string name)
+ : Region (start, length, name, DataType::AUDIO),
_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 */
-
- 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 (0.0, 2.0, 1.0, false),
+ _fade_out (0.0, 2.0, 1.0, false),
+ _envelope (0.0, 2.0, 1.0, false)
+{
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 (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 */
-
- 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 ();
+ init ();
+}
- listen_to_my_curves ();
+/* Basic AudioRegion constructor (many channels) */
+AudioRegion::AudioRegion (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 (0.0, 2.0, 1.0, false)
+ , _fade_out (0.0, 2.0, 1.0, false)
+ , _envelope (0.0, 2.0, 1.0, false)
+{
+ init ();
}
+/** 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)
{
- /* create a new AudioRegion, that is part of an existing one */
-
- 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) {
- 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;
_scale_amplitude = other->_scale_amplitude;
listen_to_my_curves ();
+
+ assert(_type == DataType::AUDIO);
}
AudioRegion::AudioRegion (boost::shared_ptr<const AudioRegion> other)
_fade_out (other->_fade_out),
_envelope (other->_envelope)
{
- /* 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));
- }
- }
-
_scale_amplitude = other->_scale_amplitude;
_envelope = other->_envelope;
_fade_out_disabled = 0;
listen_to_my_curves ();
+
+ assert(_type == DataType::AUDIO);
}
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 (0.0, 2.0, 1.0, false)
+ , _fade_out (0.0, 2.0, 1.0, false)
+ , _envelope (0.0, 2.0, 1.0, false)
{
- 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));
}
listen_to_my_curves ();
+
+ assert(_type == DataType::AUDIO);
}
AudioRegion::AudioRegion (SourceList& srcs, const XMLNode& node)
- : Region (node),
+ : Region (srcs, 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)
{
- 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;
}
listen_to_my_curves ();
+
+ assert(_type == DataType::AUDIO);
}
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
if (afs && afs->destructive()) {
return true;
+ } else {
+ return Region::verify_length(len);
}
-
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (_start > sources[n]->length() - len) {
- return false;
- }
- }
- return true;
}
bool
if (afs && afs->destructive()) {
return true;
+ } else {
+ return Region::verify_start_and_length(new_start, new_length);
}
-
- 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)
{
if (afs && afs->destructive()) {
return true;
+ } else {
+ return Region::verify_start(pos);
}
-
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (pos > sources[n]->length() - _length) {
- return false;
- }
- }
- return true;
}
bool
if (afs && afs->destructive()) {
return true;
+ } else {
+ return Region::verify_start_mutable(new_start);
}
-
- 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) {
}
}
-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
+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
{
- return _read_at (sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n, read_frames, skip_frames);
+ return _read_at (_sources, buf, mixdown_buffer, gain_buffer, position, cnt, chan_n);
}
-nframes_t
+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
{
- 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);
}
-nframes_t
+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, nframes_t read_frames, nframes_t skip_frames) const
+ nframes_t position, nframes_t cnt, uint32_t chan_n) const
{
+ // cerr << _name << "._read_at(" << position << ") - " << _position << endl;
+
nframes_t internal_offset;
nframes_t buf_offset;
nframes_t to_read;
_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) {
- 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();
+
+ _read_data_count += src->read_data_count();
} else {
}
}
} else if (_scale_amplitude != 1.0f) {
- Session::apply_gain_to_buffer (mixdown_buffer, to_read, _scale_amplitude);
+ apply_gain_to_buffer (mixdown_buffer, to_read, _scale_amplitude);
}
merge:
snprintf (buf, sizeof(buf), "%.12g", _scale_amplitude);
node.add_property ("scale-gain", buf);
- for (uint32_t n=0; n < sources.size(); ++n) {
+ 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);
}
- 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) {
string new_name;
int n;
- if (sources.size() < 2) {
+ if (_sources.size() < 2) {
return 0;
}
n = 0;
- for (SourceList::const_iterator i = sources.begin(); i != sources.end(); ++i) {
+ for (SourceList::const_iterator i = _sources.begin(); i != _sources.end(); ++i) {
srcs.clear ();
srcs.push_back (*i);
new_name = _name;
- if (sources.size() == 2) {
+ if (_sources.size() == 2) {
if (n == 0) {
new_name += "-L";
} else {
return 0;
}
-void
-AudioRegion::source_deleted ()
-{
- sources.clear ();
- drop_references ();
-}
-
-vector<string>
-AudioRegion::master_source_names ()
-{
- SourceList::iterator i;
-
- vector<string> names;
- for (i = master_sources.begin(); i != master_sources.end(); ++i) {
- names.push_back((*i)->name());
- }
-
- return names;
-}
-
-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 (!other)
- return false;
-
- SourceList::const_iterator i;
- SourceList::const_iterator io;
-
- for (i = sources.begin(), io = other->sources.begin(); i != sources.end() && io != other->sources.end(); ++i, ++io) {
- if ((*i)->id() != (*io)->id()) {
- return false;
- }
- }
-
- 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;
- }
- }
-
- return true;
-}
-
int
AudioRegion::apply (AudioFilter& filter)
{
return filter.run (ar);
}
+nframes_t
+AudioRegion::read_raw_internal (Sample* buf, nframes_t pos, nframes_t cnt) const
+{
+ return audio_source()->read (buf, pos, cnt);
+}
+
int
AudioRegion::exportme (Session& session, AudioExportSpecification& spec)
{
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;
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());
-
- if (old_playlist == pl) {
- return;
- }
-
- Region::set_playlist (wpl);
-
- 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);
- }
- }
- } else {
- if (old_playlist) {
- for (SourceList::const_iterator i = sources.begin(); i != sources.end(); ++i) {
- (*i)->remove_playlist (old_playlist);
- }
- }
- }
+ // Guaranteed to succeed (use a static cast for speed?)
+ return boost::dynamic_pointer_cast<AudioSource>(source(n));
}
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