/*
- Copyright (C) 2003 Paul Davis
+ Copyright (C) 2003 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 <cstdlib>
-#include <sigc++/bind.h>
-#include <ardour/types.h>
-#include <ardour/configuration.h>
-#include <ardour/audioplaylist.h>
-#include <ardour/audioregion.h>
-#include <ardour/crossfade.h>
-#include <ardour/crossfade_compare.h>
-#include <ardour/session.h>
-#include <pbd/enumwriter.h>
+#include "ardour/types.h"
+#include "ardour/configuration.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/audioregion.h"
+#include "ardour/crossfade.h"
+#include "ardour/crossfade_compare.h"
+#include "ardour/session.h"
+#include "pbd/enumwriter.h"
#include "i18n.h"
using namespace ARDOUR;
-using namespace sigc;
using namespace std;
using namespace PBD;
assert(!prop || DataType(prop->value()) == DataType::AUDIO);
in_set_state++;
- set_state (node);
+ set_state (node, Stateful::loading_state_version);
in_set_state--;
}
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(*in_o);
// We look only for crossfades which begin with the current region, so we don't get doubles
-
for (Crossfades::const_iterator xfades = other->_crossfades.begin(); xfades != other->_crossfades.end(); ++xfades) {
if ((*xfades)->in() == ar) {
// We found one! Now copy it!
RegionList::const_iterator out_n = regions.begin();
while (out_o != other->regions.end()) {
-
+
boost::shared_ptr<AudioRegion>ar2 = boost::dynamic_pointer_cast<AudioRegion>(*out_o);
-
+
if ((*xfades)->out() == ar2) {
boost::shared_ptr<AudioRegion>in = boost::dynamic_pointer_cast<AudioRegion>(*in_n);
boost::shared_ptr<AudioRegion>out = boost::dynamic_pointer_cast<AudioRegion>(*out_n);
add_crossfade(new_fade);
break;
}
-
+
out_o++;
out_n++;
}
AudioPlaylist::~AudioPlaylist ()
{
- GoingAway (); /* EMIT SIGNAL */
-
- /* drop connections to signals */
-
- notify_callbacks ();
-
_crossfades.clear ();
}
-void
-AudioPlaylist::copy_regions (RegionList& newlist) const
-{
- RegionLock rlock (const_cast<Playlist *> (this));
-
- Playlist::copy_regions (newlist, false);
-
- for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
- if (!(*i)->is_dependent()) {
- newlist.push_back (RegionFactory::RegionFactory::create (*i));
- }
- }
-}
-
-
struct RegionSortByLayer {
bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
return a->layer() < b->layer();
{
nframes_t ret = cnt;
nframes_t end;
+ nframes_t read_frames;
+ nframes_t skip_frames;
/* optimizing this memset() away involves a lot of conditionals
- that may well cause more of a hit due to cache misses
+ that may well cause more of a hit due to cache misses
and related stuff than just doing this here.
-
+
it would be great if someone could measure this
at some point.
memset (buf, 0, sizeof (Sample) * cnt);
- /* this function is never called from a realtime thread, so
+ /* this function is never called from a realtime thread, so
its OK to block (for short intervals).
*/
- Glib::Mutex::Lock rm (region_lock);
+ Glib::RecMutex::Lock rm (region_lock);
end = start + cnt - 1;
+ read_frames = 0;
+ skip_frames = 0;
+ _read_data_count = 0;
_read_data_count = 0;
+ RegionList* rlist = regions_to_read (start, start+cnt);
+
+ if (rlist->empty()) {
+ delete rlist;
+ return cnt;
+ }
+
map<uint32_t,vector<boost::shared_ptr<Region> > > relevant_regions;
map<uint32_t,vector<boost::shared_ptr<Crossfade> > > relevant_xfades;
vector<uint32_t> relevant_layers;
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ for (RegionList::iterator i = rlist->begin(); i != rlist->end(); ++i) {
if ((*i)->coverage (start, end) != OverlapNone) {
relevant_regions[(*i)->layer()].push_back (*i);
relevant_layers.push_back ((*i)->layer());
for (vector<boost::shared_ptr<Region> >::iterator i = r.begin(); i != r.end(); ++i) {
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(*i);
assert(ar);
- ar->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n);
+ ar->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n, read_frames, skip_frames);
_read_data_count += ar->read_data_count();
}
-
+
for (vector<boost::shared_ptr<Crossfade> >::iterator i = x.begin(); i != x.end(); ++i) {
(*i)->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n);
}
}
+ delete rlist;
return ret;
}
if (in_set_state) {
return;
}
-
+
if (r == 0) {
fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist")
<< endmsg;
return;
}
-
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ) {
-
- if ((*i)->depends_on (r)) {
- i = regions.erase (i);
+
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ) {
+
+ if ((*i)->involves (r)) {
+ i = _crossfades.erase (i);
} else {
++i;
}
}
_pending_xfade_adds.clear ();
-
+
in_flush = false;
}
return;
}
- for (RegionList::iterator x = regions.begin(); x != regions.end();) {
-
- RegionList::iterator tmp;
-
+ for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) {
+
+ Crossfades::iterator tmp;
+
tmp = x;
++tmp;
/* only update them once */
- if ((*x)->depends_on (ar)) {
+ if ((*x)->involves (ar)) {
- if (find (updated.begin(), updated.end(), *x) == updated.end()) {
- try {
- if ((*x)->refresh ()) {
- updated.insert (*x);
- }
+ pair<set<boost::shared_ptr<Crossfade> >::iterator, bool> const u = updated.insert (*x);
+
+ if (u.second) {
+ /* x was successfully inserted into the set, so it has not already been updated */
+ try {
+ (*x)->refresh ();
}
catch (Crossfade::NoCrossfadeHere& err) {
boost::shared_ptr<AudioRegion> left = boost::dynamic_pointer_cast<AudioRegion>(l);
boost::shared_ptr<AudioRegion> right = boost::dynamic_pointer_cast<AudioRegion>(r);
- for (RegionList::iterator x = regions.begin(); x !=regions.end();) {
+ for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) {
Crossfades::iterator tmp;
- boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade>(*x);
-
- if (!xfade) {
- ++x;
- continue;
- }
-
tmp = x;
++tmp;
boost::shared_ptr<Crossfade> fade;
-
- if (xfade->_in == orig) {
- if (! xfade->covers(right->position())) {
- fade = boost::shared_ptr<Crossfade> (new Crossfade (*xfade, left, xfade->_out));
+
+ if ((*x)->_in == orig) {
+ if (! (*x)->covers(right->position())) {
+ fade = boost::shared_ptr<Crossfade> (new Crossfade (*x, left, (*x)->_out));
} else {
// Overlap, the crossfade is copied on the left side of the right region instead
- fade = boost::shared_ptr<Crossfade> (new Crossfade (*xfade, right, xfade->_out));
+ fade = boost::shared_ptr<Crossfade> (new Crossfade (*x, right, (*x)->_out));
}
}
-
- if (xfade->_out == orig) {
- if (! xfade->covers(right->position())) {
- fade = boost::shared_ptr<Crossfade> (new Crossfade (*xfade, xfade->_in, right));
+
+ if ((*x)->_out == orig) {
+ if (! (*x)->covers(right->position())) {
+ fade = boost::shared_ptr<Crossfade> (new Crossfade (*x, (*x)->_in, right));
} else {
// Overlap, the crossfade is copied on the right side of the left region instead
- fade = boost::shared_ptr<Crossfade> (new Crossfade (*xfade, xfade->_in, left));
+ fade = boost::shared_ptr<Crossfade> (new Crossfade (*x, (*x)->_in, left));
}
}
-
+
if (fade) {
- regions.erase (*x);
+ _crossfades.remove (*x);
add_crossfade (fade);
}
-
x = tmp;
}
}
boost::shared_ptr<AudioRegion> top;
boost::shared_ptr<AudioRegion> bottom;
boost::shared_ptr<Crossfade> xfade;
+ RegionList* touched_regions = 0;
if (in_set_state || in_partition) {
return;
}
- if (!Config->get_auto_xfade()) {
+ if (!_session.config.get_auto_xfade()) {
return;
}
if (other->muted() || region->muted()) {
continue;
}
-
+
if (other->layer() < region->layer()) {
top = region;
bottom = region;
}
-
+ if (!top->opaque()) {
+ continue;
+ }
OverlapType c = top->coverage (bottom->position(), bottom->last_frame());
+ delete touched_regions;
+ touched_regions = 0;
+
try {
switch (c) {
case OverlapNone:
/* [ -------- top ------- ]
* {=========== bottom =============}
*/
-
+
/* to avoid discontinuities at the region boundaries of an internal
overlap (this region is completely within another), we create
two hidden crossfades at each boundary. this is not dependent
on the auto-xfade option, because we require it as basic
audio engineering.
*/
-
+
xfade_length = min ((nframes_t) 720, top->length());
-
- xfade = boost::shared_ptr<Crossfade> (new Crossfade (top, bottom, xfade_length, top->first_frame(), StartOfIn));
- add_crossfade (xfade);
+
+ if (top_region_at (top->first_frame()) == top) {
+
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (top, bottom, xfade_length, top->first_frame(), StartOfIn));
+ add_crossfade (xfade);
+ }
if (top_region_at (top->last_frame() - 1) == top) {
- /*
- only add a fade out if there is no region on top of the end of 'top' (which
+
+ /*
+ only add a fade out if there is no region on top of the end of 'top' (which
would cover it).
*/
-
+
xfade = boost::shared_ptr<Crossfade> (new Crossfade (bottom, top, xfade_length, top->last_frame() - xfade_length, EndOfOut));
add_crossfade (xfade);
}
break;
-
+ case OverlapStart:
+
+ /* { ==== top ============ }
+ * [---- bottom -------------------]
+ */
+
+ if (_session.config.get_xfade_model() == FullCrossfade) {
+ touched_regions = regions_touched (top->first_frame(), bottom->last_frame());
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+ } else {
+
+ touched_regions = regions_touched (top->first_frame(),
+ top->first_frame() + min ((nframes_t)_session.config.get_short_xfade_seconds() * _session.frame_rate(),
+ top->length()));
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+ }
+ break;
+ case OverlapEnd:
+
+
+ /* [---- top ------------------------]
+ * { ==== bottom ============ }
+ */
+
+ if (_session.config.get_xfade_model() == FullCrossfade) {
+
+ touched_regions = regions_touched (bottom->first_frame(), top->last_frame());
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other,
+ _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+
+ } else {
+ touched_regions = regions_touched (bottom->first_frame(),
+ bottom->first_frame() + min ((nframes_t)_session.config.get_short_xfade_seconds() * _session.frame_rate(),
+ bottom->length()));
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+ }
+ break;
default:
- xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, Config->get_xfade_model(), Config->get_xfades_active()));
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other,
+ _session.config.get_xfade_model(), _session.config.get_xfades_active()));
add_crossfade (xfade);
}
}
catch (failed_constructor& err) {
continue;
}
-
+
catch (Crossfade::NoCrossfadeHere& err) {
continue;
}
-
+
}
+
+ delete touched_regions;
}
void
-AudioPlaylist::add_crossfade (boost::shared_ptr<Crossfade> new_xfade)
+AudioPlaylist::add_crossfade (boost::shared_ptr<Crossfade> xfade)
{
- RegionList::iterator r;
- boost::shared_ptr<Crossfade> xfade;
+ Crossfades::iterator ci;
- for (r = regions.begin(); r != regions.end(); ++r) {
-
- if ((xfade = boost::dynamic_pointer_cast<Crossfade>(*r))) {
- if (*xfade == *new_xfade) { // Crossfade::operator==()
- break;
- }
+ for (ci = _crossfades.begin(); ci != _crossfades.end(); ++ci) {
+ if (*(*ci) == *xfade) { // Crossfade::operator==()
+ break;
}
}
-
- if (r != regions.end()) {
+
+ if (ci != _crossfades.end()) {
// it will just go away
} else {
- add_region_internal (new_xfade);
+ _crossfades.push_back (xfade);
- new_xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
- new_xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
+ xfade->Invalidated.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_invalidated, this, _1));
+ xfade->StateChanged.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_changed, this, _1));
- notify_crossfade_added (new_xfade);
+ notify_crossfade_added (xfade);
}
}
-
+
void AudioPlaylist::notify_crossfade_added (boost::shared_ptr<Crossfade> x)
{
if (g_atomic_int_get(&block_notifications)) {
void
AudioPlaylist::crossfade_invalidated (boost::shared_ptr<Region> r)
{
+ Crossfades::iterator i;
boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (r);
-
+
xfade->in()->resume_fade_in ();
xfade->out()->resume_fade_out ();
- remove_region_internal (r);
+ if ((i = find (_crossfades.begin(), _crossfades.end(), xfade)) != _crossfades.end()) {
+ _crossfades.erase (i);
+ }
}
int
-AudioPlaylist::set_state (const XMLNode& node)
+AudioPlaylist::set_state (const XMLNode& node, int version)
{
XMLNode *child;
XMLNodeList nlist;
XMLNodeConstIterator niter;
in_set_state++;
- freeze ();
- Playlist::set_state (node);
+ Playlist::set_state (node, version);
+
+ freeze ();
nlist = node.children();
child = *niter;
- if (child->name() != Crossfade::node_name()) {
+ if (child->name() != "Crossfade") {
continue;
}
-
+
try {
- boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (RegionFactory::create (*((const Playlist *) this), *child));
- assert (xfade);
- add_region_internal (xfade);
- xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
- xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
+ boost::shared_ptr<Crossfade> xfade = boost::shared_ptr<Crossfade> (new Crossfade (*((const Playlist *)this), *child));
+ _crossfades.push_back (xfade);
+ xfade->Invalidated.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_invalidated, this, _1));
+ xfade->StateChanged.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_changed, this, _1));
NewCrossfade(xfade);
}
-
+
catch (failed_constructor& err) {
// cout << string_compose (_("could not create crossfade object in playlist %1"),
- // _name)
+ // _name)
// << endl;
continue;
}
void
AudioPlaylist::clear (bool with_signals)
{
+ _crossfades.clear ();
Playlist::clear (with_signals);
}
+XMLNode&
+AudioPlaylist::state (bool full_state)
+{
+ XMLNode& node = Playlist::state (full_state);
+
+ if (full_state) {
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ node.add_child_nocopy ((*i)->get_state());
+ }
+ }
+
+ return node;
+}
+
void
AudioPlaylist::dump () const
{
cerr << "Playlist \"" << _name << "\" " << endl
<< regions.size() << " regions "
+ << _crossfades.size() << " crossfades"
<< endl;
for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
r = *i;
+ cerr << " " << r->name() << " @ " << r << " ["
+ << r->start() << "+" << r->length()
+ << "] at "
+ << r->position()
+ << " on layer "
+ << r->layer ()
+ << endl;
+ }
- if ((x = boost::dynamic_pointer_cast<Crossfade> (r))) {
- cerr << " xfade ["
- << x->out()->name()
- << ','
- << x->in()->name()
- << " @ "
- << x->position()
- << " length = "
- << x->length ()
- << " active ? "
- << (x->active() ? "yes" : "no")
- << endl;
- } else {
- cerr << " " << r->name() << " @ " << r << " ["
- << r->start() << "+" << r->length()
- << "] at "
- << r->position()
- << " on layer "
- << r->layer ()
- << endl;
- }
+ for (Crossfades::const_iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ x = *i;
+ cerr << " xfade ["
+ << x->out()->name()
+ << ','
+ << x->in()->name()
+ << " @ "
+ << x->position()
+ << " length = "
+ << x->length ()
+ << " active ? "
+ << (x->active() ? "yes" : "no")
+ << endl;
}
}
{
boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
bool changed = false;
+ Crossfades::iterator c, ctmp;
+ set<boost::shared_ptr<Crossfade> > unique_xfades;
if (r == 0) {
fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist")
return false;
}
- {
+ {
RegionLock rlock (this);
for (RegionList::iterator i = regions.begin(); i != regions.end(); ) {
-
+
RegionList::iterator tmp = i;
++tmp;
-
+
if ((*i) == region) {
regions.erase (i);
changed = true;
- } else if ((*i)->depends_on (region)) {
- regions.erase (i);
- changed = true;
}
-
+
i = tmp;
}
set<boost::shared_ptr<Region> >::iterator xtmp = x;
++xtmp;
-
+
if ((*x) == region) {
all_regions.erase (x);
changed = true;
- } else if ((*x)->depends_on (region)) {
- all_regions.erase (x);
- changed = true;
}
-
+
x = xtmp;
}
region->set_playlist (boost::shared_ptr<Playlist>());
}
+ for (c = _crossfades.begin(); c != _crossfades.end(); ) {
+ ctmp = c;
+ ++ctmp;
+
+ if ((*c)->involves (r)) {
+ unique_xfades.insert (*c);
+ _crossfades.erase (c);
+ }
+
+ c = ctmp;
+ }
+
if (changed) {
/* overload this, it normally means "removed", not destroyed */
notify_region_removed (region);
}
void
-AudioPlaylist::crossfade_changed (Change ignored)
+AudioPlaylist::crossfade_changed (Change)
{
if (in_flush || in_set_state) {
return;
notify_modified ();
}
- return true;
+ return true;
}
+void
+AudioPlaylist::crossfades_at (nframes_t frame, Crossfades& clist)
+{
+ RegionLock rlock (this);
+
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ nframes_t start, end;
+
+ start = (*i)->position();
+ end = start + (*i)->overlap_length(); // not length(), important difference
+
+ if (frame >= start && frame <= end) {
+ clist.push_back (*i);
+ }
+ }
+}
+
+void
+AudioPlaylist::foreach_crossfade (boost::function<void (boost::shared_ptr<Crossfade>)> s)
+{
+ RegionLock rl (this, false);
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ s (*i);
+ }
+}
projects / ardour.git / blobdiff