/*
- 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <algorithm>
#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 "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 PBD;
AudioPlaylist::AudioPlaylist (Session& session, const XMLNode& node, bool hidden)
- : Playlist (session, node, hidden)
+ : Playlist (session, node, DataType::AUDIO, hidden)
{
- in_set_state = true;
- set_state (node);
- in_set_state = false;
+ const XMLProperty* prop = node.property("type");
+ assert(!prop || DataType(prop->value()) == DataType::AUDIO);
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
- }
+ in_set_state++;
+ set_state (node, Stateful::loading_state_version);
+ in_set_state--;
}
AudioPlaylist::AudioPlaylist (Session& session, string name, bool hidden)
- : Playlist (session, name, hidden)
+ : Playlist (session, name, DataType::AUDIO, hidden)
{
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
- }
-
}
-AudioPlaylist::AudioPlaylist (const AudioPlaylist& other, string name, bool hidden)
+AudioPlaylist::AudioPlaylist (boost::shared_ptr<const AudioPlaylist> other, string name, bool hidden)
: Playlist (other, name, hidden)
{
- RegionList::const_iterator in_o = other.regions.begin();
+ RegionList::const_iterator in_o = other->regions.begin();
RegionList::iterator in_n = regions.begin();
- while (in_o != other.regions.end()) {
+ while (in_o != other->regions.end()) {
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 (list<Crossfade *>::const_iterator xfades = other._crossfades.begin(); xfades != other._crossfades.end(); ++xfades) {
+ 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_o = other.regions.begin();
+ RegionList::const_iterator out_o = other->regions.begin();
RegionList::const_iterator out_n = regions.begin();
- while (out_o != other.regions.end()) {
-
+ 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);
- Crossfade *new_fade = new Crossfade (*(*xfades), in, out);
- add_crossfade(*new_fade);
+ boost::shared_ptr<Crossfade> new_fade = boost::shared_ptr<Crossfade> (new Crossfade (*xfades, in, out));
+ add_crossfade(new_fade);
break;
}
-
+
out_o++;
out_n++;
}
in_o++;
in_n++;
}
-
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
- }
}
-AudioPlaylist::AudioPlaylist (const AudioPlaylist& other, nframes_t start, nframes_t cnt, string name, bool hidden)
+AudioPlaylist::AudioPlaylist (boost::shared_ptr<const AudioPlaylist> other, nframes_t start, nframes_t cnt, string name, bool hidden)
: Playlist (other, start, cnt, name, hidden)
{
/* this constructor does NOT notify others (session) */
AudioPlaylist::~AudioPlaylist ()
{
- set<Crossfade*> all_xfades;
-
- GoingAway (); /* EMIT SIGNAL */
+ GoingAway (); /* EMIT SIGNAL */
/* drop connections to signals */
notify_callbacks ();
- for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end(); ++x) {
- delete *x;
- }
+ _crossfades.clear ();
}
struct RegionSortByLayer {
- bool operator() (boost::shared_ptr<Region>a, boost::shared_ptr<Region>b) {
+ bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
return a->layer() < b->layer();
}
};
-nframes_t
+ARDOUR::nframes_t
AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nframes_t start,
nframes_t cnt, unsigned chan_n)
{
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<Crossfade*> > relevant_xfades;
+ 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<uint32_t>::iterator l = relevant_layers.begin(); l != relevant_layers.end(); ++l) {
vector<boost::shared_ptr<Region> > r (relevant_regions[*l]);
- vector<Crossfade*>& x (relevant_xfades[*l]);
+ vector<boost::shared_ptr<Crossfade> >& x (relevant_xfades[*l]);
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);
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<Crossfade*>::iterator i = x.begin(); i != x.end(); ++i) {
+
+ 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);
/* don't JACK up _read_data_count, since its the same data as we just
}
}
+ delete rlist;
return ret;
}
void
AudioPlaylist::remove_dependents (boost::shared_ptr<Region> region)
{
- Crossfades::iterator i, tmp;
boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
-
+
+ if (in_set_state) {
+ return;
+ }
+
if (r == 0) {
fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist")
<< endmsg;
return;
}
- for (i = _crossfades.begin(); i != _crossfades.end(); ) {
- tmp = i;
- tmp++;
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ) {
-
if ((*i)->involves (r)) {
- delete *i;
+ i = _crossfades.erase (i);
+ } else {
+ ++i;
}
-
- i = tmp;
}
}
}
_pending_xfade_adds.clear ();
-
+
in_flush = false;
}
AudioPlaylist::refresh_dependents (boost::shared_ptr<Region> r)
{
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
- set<Crossfade*> updated;
+ set<boost::shared_ptr<Crossfade> > updated;
if (ar == 0) {
return;
for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) {
Crossfades::iterator tmp;
-
+
tmp = x;
++tmp;
if ((*x)->involves (ar)) {
- if (find (updated.begin(), updated.end(), *x) == updated.end()) {
- if ((*x)->refresh ()) {
- /* not invalidated by the 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) {
+ // relax, Invalidated during refresh
}
}
}
tmp = x;
++tmp;
- Crossfade *fade = 0;
-
+ boost::shared_ptr<Crossfade> fade;
+
if ((*x)->_in == orig) {
if (! (*x)->covers(right->position())) {
- fade = new Crossfade (**x, left, (*x)->_out);
+ 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 = new Crossfade (**x, right, (*x)->_out);
+ fade = boost::shared_ptr<Crossfade> (new Crossfade (*x, right, (*x)->_out));
}
}
-
+
if ((*x)->_out == orig) {
if (! (*x)->covers(right->position())) {
- fade = new Crossfade (**x, (*x)->_in, right);
+ 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 = new Crossfade (**x, (*x)->_in, left);
+ fade = boost::shared_ptr<Crossfade> (new Crossfade (*x, (*x)->_in, left));
}
}
-
+
if (fade) {
_crossfades.remove (*x);
- add_crossfade (*fade);
+ add_crossfade (fade);
}
x = tmp;
}
boost::shared_ptr<AudioRegion> region;
boost::shared_ptr<AudioRegion> top;
boost::shared_ptr<AudioRegion> bottom;
- Crossfade* xfade;
+ boost::shared_ptr<Crossfade> xfade;
+ RegionList* touched_regions = 0;
if (in_set_state || in_partition) {
return;
refresh_dependents (r);
}
- if (!Config->get_auto_xfade()) {
+
+ if (!_session.config.get_auto_xfade()) {
return;
}
for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ nframes_t xfade_length;
+
other = boost::dynamic_pointer_cast<AudioRegion> (*i);
if (other == region) {
continue;
}
+
if (other->layer() < region->layer()) {
top = region;
bottom = other;
bottom = region;
}
+ if (!top->opaque()) {
+ continue;
+ }
+
+ OverlapType c = top->coverage (bottom->position(), bottom->last_frame());
+
+ delete touched_regions;
+
try {
-
- if (top->coverage (bottom->position(), bottom->last_frame()) != OverlapNone) {
-
- /* check if the upper region is within the lower region */
-
- if (top->first_frame() > bottom->first_frame() &&
- top->last_frame() < bottom->last_frame()) {
-
-
- /* [ -------- 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.
+ switch (c) {
+ case OverlapNone:
+ break;
+
+ case OverlapInternal:
+ /* {=============== top =============}
+ * [ ----- bottom ------- ]
+ */
+ break;
+
+ case OverlapExternal:
+
+ /* [ -------- 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());
+
+ 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
+ would cover it).
*/
-
- nframes_t xfade_length = min ((nframes_t) 720, top->length());
-
- /* in, out */
- xfade = new Crossfade (top, bottom, xfade_length, top->first_frame(), StartOfIn);
- add_crossfade (*xfade);
- xfade = new Crossfade (bottom, top, xfade_length, top->last_frame() - xfade_length, EndOfOut);
- add_crossfade (*xfade);
-
+
+ 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 {
- xfade = new Crossfade (other, region, Config->get_xfade_model(), Config->get_xfades_active());
- add_crossfade (*xfade);
+ 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,
+ _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 (Crossfade& xfade)
+AudioPlaylist::add_crossfade (boost::shared_ptr<Crossfade> xfade)
{
Crossfades::iterator ci;
for (ci = _crossfades.begin(); ci != _crossfades.end(); ++ci) {
- if (*(*ci) == xfade) { // Crossfade::operator==()
+ if (*(*ci) == *xfade) { // Crossfade::operator==()
break;
}
}
-
+
if (ci != _crossfades.end()) {
- delete &xfade;
+ // it will just go away
} else {
- _crossfades.push_back (&xfade);
+ _crossfades.push_back (xfade);
- xfade.Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
- xfade.StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
+ xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
+ xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
- notify_crossfade_added (&xfade);
+ notify_crossfade_added (xfade);
}
}
-
-void AudioPlaylist::notify_crossfade_added (Crossfade *x)
+
+void AudioPlaylist::notify_crossfade_added (boost::shared_ptr<Crossfade> x)
{
if (g_atomic_int_get(&block_notifications)) {
_pending_xfade_adds.insert (_pending_xfade_adds.end(), x);
}
void
-AudioPlaylist::crossfade_invalidated (Crossfade* xfade)
+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 ();
}
int
-AudioPlaylist::set_state (const XMLNode& node)
+AudioPlaylist::set_state (const XMLNode& node, int version)
{
XMLNode *child;
XMLNodeList nlist;
XMLNodeConstIterator niter;
- Playlist::set_state (node);
+ in_set_state++;
+
+ Playlist::set_state (node, version);
+
+ freeze ();
nlist = node.children();
}
try {
- Crossfade* xfade = new Crossfade (*((const Playlist *)this), *child);
+ boost::shared_ptr<Crossfade> xfade = boost::shared_ptr<Crossfade> (new Crossfade (*((const Playlist *)this), *child));
_crossfades.push_back (xfade);
xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
NewCrossfade(xfade);
}
-
+
catch (failed_constructor& err) {
// cout << string_compose (_("could not create crossfade object in playlist %1"),
- // _name)
+ // _name)
// << endl;
continue;
}
}
+ thaw ();
+ in_set_state--;
+
return 0;
}
void
AudioPlaylist::clear (bool with_signals)
{
- for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ) {
-
- Crossfades::iterator tmp;
- tmp = i;
- ++tmp;
-
- delete *i;
-
- i = tmp;
- }
-
_crossfades.clear ();
-
Playlist::clear (with_signals);
}
node.add_child_nocopy ((*i)->get_state());
}
}
-
+
return node;
}
AudioPlaylist::dump () const
{
boost::shared_ptr<Region>r;
- Crossfade *x;
+ boost::shared_ptr<Crossfade> x;
cerr << "Playlist \"" << _name << "\" " << endl
<< regions.size() << " regions "
for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
r = *i;
- cerr << " " << r->name() << " @ " << r << " ["
- << r->start() << "+" << r->length()
- << "] at "
+ cerr << " " << r->name() << " @ " << r << " ["
+ << r->start() << "+" << r->length()
+ << "] at "
<< r->position()
<< " on layer "
<< r->layer ()
for (Crossfades::const_iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
x = *i;
- cerr << " xfade ["
+ cerr << " xfade ["
<< x->out()->name()
<< ','
<< x->in()->name()
<< " @ "
<< x->position()
- << " length = "
+ << " length = "
<< x->length ()
<< " active ? "
<< (x->active() ? "yes" : "no")
boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
bool changed = false;
Crossfades::iterator c, ctmp;
- set<Crossfade*> unique_xfades;
+ 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);
- RegionList::iterator i;
- RegionList::iterator tmp;
- for (i = regions.begin(); i != regions.end(); ) {
-
- tmp = i;
+ for (RegionList::iterator i = regions.begin(); i != regions.end(); ) {
+
+ RegionList::iterator tmp = i;
++tmp;
-
+
if ((*i) == region) {
regions.erase (i);
changed = true;
}
-
+
i = tmp;
}
+
+ for (set<boost::shared_ptr<Region> >::iterator x = all_regions.begin(); x != all_regions.end(); ) {
+
+ set<boost::shared_ptr<Region> >::iterator xtmp = x;
+ ++xtmp;
+
+ if ((*x) == region) {
+ all_regions.erase (x);
+ changed = true;
+ }
+
+ x = xtmp;
+ }
+
+ region->set_playlist (boost::shared_ptr<Playlist>());
}
for (c = _crossfades.begin(); c != _crossfades.end(); ) {
unique_xfades.insert (*c);
_crossfades.erase (c);
}
-
- c = ctmp;
- }
- for (set<Crossfade*>::iterator c = unique_xfades.begin(); c != unique_xfades.end(); ++c) {
- delete *c;
+ c = ctmp;
}
if (changed) {
}
void
-AudioPlaylist::crossfade_changed (Change ignored)
+AudioPlaylist::crossfade_changed (Change)
{
if (in_flush || in_set_state) {
return;
notify_modified ();
}
- return true;
+ return true;
}
void
if (frame >= start && frame <= end) {
clist.push_back (*i);
- }
+ }
}
}
+void
+AudioPlaylist::foreach_crossfade (sigc::slot<void, boost::shared_ptr<Crossfade> > s)
+{
+ RegionLock rl (this, false);
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ s (*i);
+ }
+}