/*
- Copyright (C) 2003-2006 Paul Davis
+ Copyright (C) 2003-2006 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 <sigc++/bind.h>
#include "pbd/stacktrace.h"
+#include "ardour/debug.h"
#include "ardour/types.h"
#include "ardour/crossfade.h"
#include "ardour/crossfade_compare.h"
#include "ardour/utils.h"
#include "ardour/session.h"
#include "ardour/source.h"
+#include "ardour/region_factory.h"
#include "i18n.h"
#include <locale.h>
using namespace ARDOUR;
using namespace PBD;
-nframes_t Crossfade::_short_xfade_length = 0;
-Change Crossfade::ActiveChanged = new_change();
-Change Crossfade::FollowOverlapChanged = new_change();
+framecnt_t Crossfade::_short_xfade_length = 0;
/* XXX if and when we ever implement parallel processing of the process()
callback, these will need to be handled on a per-thread basis.
Sample* Crossfade::crossfade_buffer_out = 0;
Sample* Crossfade::crossfade_buffer_in = 0;
+
+#define CROSSFADE_DEFAULT_PROPERTIES \
+ _active (Properties::active, _session.config.get_xfades_active ()) \
+ , _follow_overlap (Properties::follow_overlap, false)
+
+
+namespace ARDOUR {
+ namespace Properties {
+ PropertyDescriptor<bool> follow_overlap;
+ }
+}
+
+void
+Crossfade::make_property_quarks ()
+{
+ Properties::follow_overlap.property_id = g_quark_from_static_string (X_("follow-overlap"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for follow-overlap = %1\n", Properties::follow_overlap.property_id));
+}
+
void
-Crossfade::set_buffer_size (nframes_t sz)
+Crossfade::set_buffer_size (framecnt_t sz)
{
delete [] crossfade_buffer_out;
crossfade_buffer_out = 0;
return (_in == other._in) && (_out == other._out);
}
-Crossfade::Crossfade (boost::shared_ptr<AudioRegion> in, boost::shared_ptr<AudioRegion> out,
- nframes_t length,
- nframes_t position,
+Crossfade::Crossfade (boost::shared_ptr<AudioRegion> in, boost::shared_ptr<AudioRegion> out,
+ framecnt_t length,
+ framepos_t position,
AnchorPoint ap)
- : AudioRegion (in->session(), position, length, "foobar"),
- _fade_in (Evoral::Parameter(FadeInAutomation)), // linear (gain coefficient) => -inf..+6dB
- _fade_out (Evoral::Parameter(FadeOutAutomation)) // linear (gain coefficient) => -inf..+6dB
+ : AudioRegion (in->session(), position, length, in->name() + string ("<>") + out->name())
+ , CROSSFADE_DEFAULT_PROPERTIES
+ , _fade_in (Evoral::Parameter(FadeInAutomation)) // linear (gain coefficient) => -inf..+6dB
+ , _fade_out (Evoral::Parameter(FadeOutAutomation)) // linear (gain coefficient) => -inf..+6dB
{
_in = in;
_out = out;
_anchor_point = ap;
- _follow_overlap = false;
-
- _active = _session.config.get_xfades_active ();
_fixed = true;
+ _follow_overlap = false;
initialize ();
}
Crossfade::Crossfade (boost::shared_ptr<AudioRegion> a, boost::shared_ptr<AudioRegion> b, CrossfadeModel model, bool act)
- : AudioRegion (a->session(), 0, 0, "foobar"),
- _fade_in (Evoral::Parameter(FadeInAutomation)), // linear (gain coefficient) => -inf..+6dB
- _fade_out (Evoral::Parameter(FadeOutAutomation)) // linear (gain coefficient) => -inf..+6dB
+ : AudioRegion (a->session(), 0, 0, a->name() + string ("<>") + b->name())
+ , CROSSFADE_DEFAULT_PROPERTIES
+ , _fade_in (Evoral::Parameter(FadeInAutomation)) // linear (gain coefficient) => -inf..+6dB
+ , _fade_out (Evoral::Parameter(FadeOutAutomation)) // linear (gain coefficient) => -inf..+6dB
{
_in_update = false;
_fixed = false;
initialize ();
}
-Crossfade::Crossfade (const Playlist& playlist, XMLNode& node)
- : AudioRegion (playlist.session(), 0, 0, "foobar"),
- _fade_in (Evoral::Parameter(FadeInAutomation)), // linear (gain coefficient) => -inf..+6dB
- _fade_out (Evoral::Parameter(FadeOutAutomation)) // linear (gain coefficient) => -inf..+6dB
+Crossfade::Crossfade (const Playlist& playlist, XMLNode const & node)
+ : AudioRegion (playlist.session(), 0, 0, "unnamed crossfade")
+ , CROSSFADE_DEFAULT_PROPERTIES
+ , _fade_in (Evoral::Parameter(FadeInAutomation)) // linear (gain coefficient) => -inf..+6dB
+ , _fade_out (Evoral::Parameter(FadeOutAutomation)) // linear (gain coefficient) => -inf..+6dB
{
boost::shared_ptr<Region> r;
- XMLProperty* prop;
+ XMLProperty const * prop;
LocaleGuard lg (X_("POSIX"));
/* we have to find the in/out regions before we can do anything else */
error << _("Crossfade: no \"in\" region in state") << endmsg;
throw failed_constructor();
}
-
+
PBD::ID id (prop->value());
- if ((r = playlist.find_region (id)) == 0) {
- error << string_compose (_("Crossfade: no \"in\" region %1 found in playlist %2"), id, playlist.name())
+ r = playlist.find_region (id);
+
+ if (!r) {
+ /* the `in' region is not in a playlist, which probably means that this crossfade
+ is in the undo record, so we have to find the region in the global region map.
+ */
+ r = RegionFactory::region_by_id (id);
+ }
+
+ if (!r) {
+ error << string_compose (_("Crossfade: no \"in\" region %1 found in playlist %2 nor in region map"), id, playlist.name())
<< endmsg;
throw failed_constructor();
}
-
+
if ((_in = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
throw failed_constructor();
}
PBD::ID id2 (prop->value());
- if ((r = playlist.find_region (id2)) == 0) {
- error << string_compose (_("Crossfade: no \"out\" region %1 found in playlist %2"), id2, playlist.name())
+ r = playlist.find_region (id2);
+
+ if (!r) {
+ r = RegionFactory::region_by_id (id2);
+ }
+
+ if (!r) {
+ error << string_compose (_("Crossfade: no \"out\" region %1 found in playlist %2 nor in region map"), id2, playlist.name())
<< endmsg;
throw failed_constructor();
}
-
+
if ((_out = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
throw failed_constructor();
}
_length = 0;
initialize();
_active = true;
-
- if (set_state (node)) {
+
+ if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor();
}
}
Crossfade::Crossfade (boost::shared_ptr<Crossfade> orig, boost::shared_ptr<AudioRegion> newin, boost::shared_ptr<AudioRegion> newout)
- : AudioRegion (boost::dynamic_pointer_cast<const AudioRegion> (orig)),
- _fade_in (orig->_fade_in),
- _fade_out (orig->_fade_out)
+ : AudioRegion (boost::dynamic_pointer_cast<const AudioRegion> (orig), 0, true)
+ , CROSSFADE_DEFAULT_PROPERTIES
+ , _fade_in (orig->_fade_in)
+ , _fade_out (orig->_fade_out)
{
_active = orig->_active;
_in_update = orig->_in_update;
_anchor_point = orig->_anchor_point;
_follow_overlap = orig->_follow_overlap;
_fixed = orig->_fixed;
-
+
_in = newin;
_out = newout;
// copied from Crossfade::initialize()
_in_update = false;
-
+
_out->suspend_fade_out ();
_in->suspend_fade_in ();
Crossfade::~Crossfade ()
{
- notify_callbacks ();
}
void
_sources = _in->sources();
_sources.insert (_sources.end(), _out->sources().begin(), _out->sources().end());
+
+ for (SourceList::iterator i = _sources.begin(); i != _sources.end(); ++i) {
+ (*i)->inc_use_count ();
+ }
+
_master_sources = _in->master_sources();
_master_sources.insert(_master_sources.end(), _out->master_sources().begin(), _out->master_sources().end());
-
+
+ for (SourceList::iterator i = _master_sources.begin(); i != _master_sources.end(); ++i) {
+ (*i)->inc_use_count ();
+ }
+
_in_update = false;
-
+
_out->suspend_fade_out ();
_in->suspend_fade_in ();
#endif
_fade_out.thaw ();
-
+
_fade_in.freeze ();
_fade_in.clear ();
overlap_type = _in->coverage (_out->position(), _out->last_frame());
layer_relation = (int32_t) (_in->layer() - _out->layer());
-}
+}
-nframes_t
-Crossfade::read_raw_internal (Sample* /*buf*/, sframes_t /*start*/, nframes_t cnt, int /*channel*/) const
+framecnt_t
+Crossfade::read_raw_internal (Sample* buf, framecnt_t start, framecnt_t cnt, int channel) const
{
- // FIXME: Why is this disabled?
-#if 0
Sample* mixdown = new Sample[cnt];
float* gain = new float[cnt];
- nframes_t ret;
-
- ret = read_at (buf, mixdown, gain, start, cnt, chan_n, cnt);
+ framecnt_t ret;
+
+ ret = read_at (buf, mixdown, gain, start, cnt, channel, cnt);
delete [] mixdown;
delete [] gain;
return ret;
-#endif
- return cnt;
}
-nframes_t
-Crossfade::read_at (Sample *buf, Sample *mixdown_buffer,
- float *gain_buffer, sframes_t start, nframes_t cnt, uint32_t chan_n,
- nframes_t read_frames, nframes_t skip_frames) const
+framecnt_t
+Crossfade::read_at (Sample *buf, Sample *mixdown_buffer,
+ float *gain_buffer, framepos_t start, framecnt_t cnt, uint32_t chan_n,
+ framecnt_t read_frames, framecnt_t skip_frames) const
{
- nframes_t offset;
- nframes_t to_write;
+ frameoffset_t offset;
+ framecnt_t to_write;
if (!_active) {
return 0;
} else {
return 0;
}
-
+
start = _position;
buf += offset;
- to_write = min (_length, cnt);
+ to_write = min (_length.val(), cnt);
} else {
-
- to_write = min (nframes_t(_length - (start - _position)), cnt);
-
+
+ to_write = min ((_length - (start - _position)), cnt);
+
}
offset = start - _position;
/* note: although we have not explicitly taken into account the return values
from _out->read_at() or _in->read_at(), the length() function does this
implicitly. why? because it computes a value based on the in+out regions'
- position and length, and so we know precisely how much data they could return.
+ position and length, and so we know precisely how much data they could return.
*/
- for (nframes_t n = 0; n < to_write; ++n) {
+ for (framecnt_t n = 0; n < to_write; ++n) {
buf[n] = (crossfade_buffer_out[n] * fov[n]) + (crossfade_buffer_in[n] * fiv[n]);
}
delete [] fiv;
return to_write;
-}
+}
-OverlapType
-Crossfade::coverage (nframes_t start, nframes_t end) const
+OverlapType
+Crossfade::coverage (framepos_t start, framepos_t end) const
{
- nframes_t my_end = _position + _length;
+ framepos_t my_end = _position + _length;
if ((start >= _position) && (end <= my_end)) {
return OverlapInternal;
{
if (_active != yn) {
_active = yn;
- StateChanged (ActiveChanged);
+ PropertyChanged (PropertyChange (Properties::active));
}
}
Crossfade::refresh ()
{
/* crossfades must be between non-muted regions */
-
+
if (_out->muted() || _in->muted()) {
Invalidated (shared_from_this ());
return false;
}
/* Top layer shouldn't be transparent */
-
+
if (!((layer_relation > 0 ? _in : _out)->opaque())) {
Invalidated (shared_from_this());
return false;
if (ot == OverlapNone) {
Invalidated (shared_from_this ());
return false;
- }
+ }
bool send_signal;
try {
compute (_in, _out, _session.config.get_xfade_model());
- }
+ }
catch (NoCrossfadeHere& err) {
Invalidated (shared_from_this ());
}
if (send_signal) {
- StateChanged (BoundsChanged); /* EMIT SIGNAL */
+ PropertyChange bounds;
+ bounds.add (Properties::start);
+ bounds.add (Properties::position);
+ bounds.add (Properties::length);
+ PropertyChanged (bounds); /* EMIT SIGNAL */
}
_in_update = false;
bool
Crossfade::update ()
{
- nframes_t newlen;
-
+ framecnt_t newlen;
+
if (_follow_overlap) {
newlen = _out->first_frame() + _out->length() - _in->first_frame();
} else {
newlen = _length;
}
-
+
if (newlen == 0) {
Invalidated (shared_from_this ());
return false;
}
-
+
_in_update = true;
-
+
if ((_follow_overlap && newlen != _length) || (_length > newlen)) {
-
+
double factor = newlen / (double) _length;
-
+
_fade_out.x_scale (factor);
_fade_in.x_scale (factor);
-
+
_length = newlen;
- }
-
+ }
+
switch (_anchor_point) {
case StartOfIn:
_position = _in->first_frame();
break;
-
+
case EndOfIn:
_position = _in->last_frame() - _length;
break;
-
+
case EndOfOut:
_position = _out->last_frame() - _length;
}
{
boost::shared_ptr<AudioRegion> top;
boost::shared_ptr<AudioRegion> bottom;
- nframes_t short_xfade_length;
+ framecnt_t short_xfade_length;
- short_xfade_length = _short_xfade_length;
+ short_xfade_length = _short_xfade_length;
if (a->layer() < b->layer()) {
top = b;
top = a;
bottom = b;
}
-
+
/* first check for matching ends */
-
+
if (top->first_frame() == bottom->first_frame()) {
/* Both regions start at the same point */
-
+
if (top->last_frame() < bottom->last_frame()) {
-
+
/* top ends before bottom, so put an xfade
in at the end of top.
*/
-
+
/* [-------- top ---------- ]
* {====== bottom =====================}
*/
} else {
/* top ends after (or same time) as bottom - no xfade
*/
-
+
/* [-------- top ------------------------ ]
* {====== bottom =====================}
*/
throw NoCrossfadeHere();
}
-
+
} else if (top->last_frame() == bottom->last_frame()) {
-
+
/* Both regions end at the same point */
-
+
if (top->first_frame() > bottom->first_frame()) {
-
+
/* top starts after bottom, put an xfade in at the
start of top
*/
-
+
/* [-------- top ---------- ]
* {====== bottom =====================}
*/
_anchor_point = StartOfIn;
_active = true;
_fixed = true;
-
+
} else {
/* top starts before bottom - no xfade
*/
}
} else {
-
+
/* OK, time to do more regular overlapping */
OverlapType ot = top->coverage (bottom->first_frame(), bottom->last_frame());
*/
throw NoCrossfadeHere();
break;
-
+
case OverlapInternal:
case OverlapExternal:
/* should be NOTREACHED because of tests above */
throw NoCrossfadeHere();
break;
-
+
case OverlapEnd: /* top covers start of bottom but ends within it */
- /* [---- top ------------------------]
- * { ==== bottom ============ }
- */
+ /* [---- top ------------------------]
+ * { ==== bottom ============ }
+ */
_in = bottom;
_out = top;
_follow_overlap = true;
} else {
_length = min (short_xfade_length, top->length());
- _position = top->last_frame() - _length; // "]" - length
+ _position = top->last_frame() - _length; // "]" - length
_active = true;
_follow_overlap = false;
-
+
}
break;
-
+
case OverlapStart: /* top starts within bottom but covers bottom's end */
- /* { ==== top ============ }
- * [---- bottom -------------------]
+ /* { ==== top ============ }
+ * [---- bottom -------------------]
*/
_in = top;
_length = min (short_xfade_length, top->length());
_active = true;
_follow_overlap = false;
-
+
}
-
+
break;
}
}
-
+
return 0;
}
XMLNode&
-Crossfade::get_state ()
+Crossfade::get_state ()
{
XMLNode* node = new XMLNode (X_("Crossfade"));
XMLNode* child;
char buf[64];
LocaleGuard lg (X_("POSIX"));
+ id().print (buf, sizeof (buf));
+ node->add_property ("id", buf);
_out->id().print (buf, sizeof (buf));
node->add_property ("out", buf);
_in->id().print (buf, sizeof (buf));
node->add_property ("active", (_active ? "yes" : "no"));
node->add_property ("follow-overlap", (_follow_overlap ? "yes" : "no"));
node->add_property ("fixed", (_fixed ? "yes" : "no"));
- snprintf (buf, sizeof(buf), "%" PRIu32, _length);
+ snprintf (buf, sizeof(buf), "%" PRId64, _length.val());
node->add_property ("length", buf);
snprintf (buf, sizeof(buf), "%" PRIu32, (uint32_t) _anchor_point);
node->add_property ("anchor-point", buf);
- snprintf (buf, sizeof(buf), "%" PRIu32, (uint32_t) _position);
+ snprintf (buf, sizeof(buf), "%" PRId64, _position.val());
node->add_property ("position", buf);
child = node->add_child ("FadeIn");
pnode = new XMLNode ("point");
- snprintf (buf, sizeof (buf), "%" PRIu32, (nframes_t) floor ((*ii)->when));
+ snprintf (buf, sizeof (buf), "%" PRId64, (framepos_t) floor ((*ii)->when));
pnode->add_property ("x", buf);
snprintf (buf, sizeof (buf), "%.12g", (*ii)->value);
pnode->add_property ("y", buf);
pnode = new XMLNode ("point");
- snprintf (buf, sizeof (buf), "%" PRIu32, (nframes_t) floor ((*ii)->when));
+ snprintf (buf, sizeof (buf), "%" PRId64, (framepos_t) floor ((*ii)->when));
pnode->add_property ("x", buf);
snprintf (buf, sizeof (buf), "%.12g", (*ii)->value);
pnode->add_property ("y", buf);
}
int
-Crossfade::set_state (const XMLNode& node)
+Crossfade::set_state (const XMLNode& node, int /*version*/)
{
XMLNodeConstIterator i;
XMLNodeList children;
XMLNode* fo;
const XMLProperty* prop;
LocaleGuard lg (X_("POSIX"));
- Change what_changed = Change (0);
- nframes_t val;
+ PropertyChange what_changed;
+ framepos_t val;
+
+ if ((prop = node.property (X_("id")))) {
+ _id = prop->value();
+ }
if ((prop = node.property ("position")) != 0) {
- sscanf (prop->value().c_str(), "%" PRIu32, &val);
+ sscanf (prop->value().c_str(), "%" PRId64, &val);
if (val != _position) {
_position = val;
- what_changed = Change (what_changed | PositionChanged);
+ what_changed.add (Properties::position);
}
} else {
warning << _("old-style crossfade information - no position information") << endmsg;
bool x = string_is_affirmative (prop->value());
if (x != _active) {
_active = x;
- what_changed = Change (what_changed | ActiveChanged);
+ what_changed.add (Properties::active);
}
} else {
_active = true;
if ((prop = node.property ("length")) != 0) {
- sscanf (prop->value().c_str(), "%" PRIu32, &val);
+ sscanf (prop->value().c_str(), "%" PRId64, &val);
if (val != _length) {
- _length = atol (prop->value().c_str());
- what_changed = Change (what_changed | LengthChanged);
+ _length = val;
+ what_changed.add (Properties::length);
}
} else {
-
+
/* XXX this branch is legacy code from before
the point where we stored xfade lengths.
*/
-
+
if ((_length = overlap_length()) == 0) {
throw failed_constructor();
}
if ((fi = find_named_node (node, "FadeIn")) == 0) {
return -1;
}
-
+
if ((fo = find_named_node (node, "FadeOut")) == 0) {
return -1;
}
/* fade in */
-
+
_fade_in.freeze ();
_fade_in.clear ();
-
+
children = fi->children();
-
+
for (i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == "point") {
- nframes_t x;
+ framepos_t x;
float y;
-
+
prop = (*i)->property ("x");
- sscanf (prop->value().c_str(), "%" PRIu32, &x);
-
+ sscanf (prop->value().c_str(), "%" PRId64, &x);
+
prop = (*i)->property ("y");
sscanf (prop->value().c_str(), "%f", &y);
}
}
+ _fade_in.front()->value = 0.0;
+ _fade_in.back()->value = 1.0;
+
_fade_in.thaw ();
-
+
/* fade out */
-
+
_fade_out.freeze ();
_fade_out.clear ();
children = fo->children();
-
+
for (i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == "point") {
- nframes_t x;
+ framepos_t x;
float y;
XMLProperty* prop;
prop = (*i)->property ("x");
- sscanf (prop->value().c_str(), "%" PRIu32, &x);
+ sscanf (prop->value().c_str(), "%" PRId64, &x);
prop = (*i)->property ("y");
sscanf (prop->value().c_str(), "%f", &y);
-
+
_fade_out.add (x, y);
}
}
+ _fade_out.front()->value = 1.0;
+ _fade_out.back()->value = 0.0;
+
_fade_out.thaw ();
- StateChanged (what_changed); /* EMIT SIGNAL */
+ PropertyChanged (what_changed); /* EMIT SIGNAL */
+ FadesChanged (); /* EMIT SIGNAL */
return 0;
}
set_xfade_length (_out->first_frame() + _out->length() - _in->first_frame());
}
- StateChanged (FollowOverlapChanged);
+ PropertyChanged (PropertyChange (Properties::follow_overlap));
}
-nframes_t
-Crossfade::set_xfade_length (nframes_t len)
+framecnt_t
+Crossfade::set_xfade_length (framecnt_t len)
{
- nframes_t limit = 0;
+ framecnt_t limit = 0;
switch (_anchor_point) {
case StartOfIn:
case EndOfOut:
limit = _out->length();
break;
-
+
}
len = min (limit, len);
_fade_out.x_scale (factor);
_fade_in.x_scale (factor);
_in_update = false;
-
- _length = len;
- StateChanged (LengthChanged);
+ _length = len;
+ PropertyChanged (PropertyChange (Properties::length));
+
return len;
}
-nframes_t
+framecnt_t
Crossfade::overlap_length () const
{
if (_fixed) {
}
void
-Crossfade::set_short_xfade_length (nframes_t n)
+Crossfade::set_short_xfade_length (framecnt_t n)
{
_short_xfade_length = n;
}
projects / ardour.git / blobdiff