/*
- 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 <stdlib.h>
+#include <cstdlib>
-#include <sigc++/bind.h>
+#include "ardour/types.h"
+#include "ardour/debug.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/audioregion.h"
+#include "ardour/region_sorters.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 "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
-using namespace sigc;
using namespace std;
-
-AudioPlaylist::State::~State ()
-{
-}
+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;
-
- save_state (_("initial state"));
+#ifndef NDEBUG
+ XMLProperty const * prop = node.property("type");
+ assert(!prop || DataType(prop->value()) == DataType::AUDIO);
+#endif
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
+ in_set_state++;
+ if (set_state (node, Stateful::loading_state_version)) {
+ throw failed_constructor();
}
+ in_set_state--;
+
+ relayer ();
+
+ load_legacy_crossfades (node, Stateful::loading_state_version);
}
AudioPlaylist::AudioPlaylist (Session& session, string name, bool hidden)
- : Playlist (session, name, hidden)
+ : Playlist (session, name, DataType::AUDIO, hidden)
{
- save_state (_("initial state"));
-
- 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)
{
- save_state (_("initial state"));
-
- list<Region*>::const_iterator in_o = other.regions.begin();
- list<Region*>::iterator in_n = regions.begin();
-
- while (in_o != other.regions.end()) {
- AudioRegion *ar = dynamic_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) {
- if ( &(*xfades)->in() == ar) {
- // We found one! Now copy it!
-
- list<Region*>::const_iterator out_o = other.regions.begin();
- list<Region*>::const_iterator out_n = regions.begin();
-
- while (out_o != other.regions.end()) {
-
- AudioRegion *ar2 = dynamic_cast<AudioRegion *>( (*out_o) );
-
- if ( &(*xfades)->out() == ar2) {
- AudioRegion *in = dynamic_cast<AudioRegion*>( (*in_n) );
- AudioRegion *out = dynamic_cast<AudioRegion*>( (*out_n) );
- Crossfade *new_fade = new Crossfade( *(*xfades), in, out);
- add_crossfade(*new_fade);
- break;
- }
-
- out_o++;
- out_n++;
- }
-// cerr << "HUH!? second region in the crossfade not found!" << endl;
- }
- }
-
- in_o++;
- in_n++;
- }
-
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
- }
}
-AudioPlaylist::AudioPlaylist (const AudioPlaylist& other, jack_nframes_t start, jack_nframes_t cnt, string name, bool hidden)
+AudioPlaylist::AudioPlaylist (boost::shared_ptr<const AudioPlaylist> other, framepos_t start, framecnt_t cnt, string name, bool hidden)
: Playlist (other, start, cnt, name, hidden)
{
- save_state (_("initial state"));
+ RegionReadLock rlock2 (const_cast<AudioPlaylist*> (other.get()));
+ in_set_state++;
- /* this constructor does NOT notify others (session) */
-}
+ framepos_t const end = start + cnt - 1;
-AudioPlaylist::~AudioPlaylist ()
-{
- set<Crossfade*> all_xfades;
- set<Region*> all_regions;
+ /* Audio regions that have been created by the Playlist constructor
+ will currently have the same fade in/out as the regions that they
+ were created from. This is wrong, so reset the fades here.
+ */
- GoingAway (this);
+ RegionList::iterator ours = regions.begin ();
- /* find every region we've ever used, and add it to the set of
- all regions. same for xfades;
- */
+ for (RegionList::const_iterator i = other->regions.begin(); i != other->regions.end(); ++i) {
+ boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (*i);
+ assert (region);
- for (RegionList::iterator x = regions.begin(); x != regions.end(); ++x) {
- all_regions.insert (*x);
- }
+ framecnt_t fade_in = 64;
+ framecnt_t fade_out = 64;
- for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end(); ++x) {
- all_xfades.insert (*x);
- }
+ switch (region->coverage (start, end)) {
+ case Evoral::OverlapNone:
+ continue;
- for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
-
- AudioPlaylist::State* apstate = dynamic_cast<AudioPlaylist::State*> (*i);
+ case Evoral::OverlapInternal:
+ {
+ framecnt_t const offset = start - region->position ();
+ framecnt_t const trim = region->last_frame() - end;
+ if (region->fade_in()->back()->when > offset) {
+ fade_in = region->fade_in()->back()->when - offset;
+ }
+ if (region->fade_out()->back()->when > trim) {
+ fade_out = region->fade_out()->back()->when - trim;
+ }
+ break;
+ }
- for (RegionList::iterator r = apstate->regions.begin(); r != apstate->regions.end(); ++r) {
- all_regions.insert (*r);
+ case Evoral::OverlapStart: {
+ if (end > region->position() + region->fade_in()->back()->when)
+ fade_in = region->fade_in()->back()->when; //end is after fade-in, preserve the fade-in
+ if (end > region->last_frame() - region->fade_out()->back()->when)
+ fade_out = region->fade_out()->back()->when - ( region->last_frame() - end ); //end is inside the fadeout, preserve the fades endpoint
+ break;
}
- for (Crossfades::iterator xf = apstate->crossfades.begin(); xf != apstate->crossfades.end(); ++xf) {
- all_xfades.insert (*xf);
+
+ case Evoral::OverlapEnd: {
+ if (start < region->last_frame() - region->fade_out()->back()->when) //start is before fade-out, preserve the fadeout
+ fade_out = region->fade_out()->back()->when;
+
+ if (start < region->position() + region->fade_in()->back()->when)
+ fade_in = region->fade_in()->back()->when - (start - region->position()); //end is inside the fade-in, preserve the fade-in endpoint
+ break;
}
- delete apstate;
- }
+ case Evoral::OverlapExternal:
+ fade_in = region->fade_in()->back()->when;
+ fade_out = region->fade_out()->back()->when;
+ break;
+ }
- /* delete every region */
+ boost::shared_ptr<AudioRegion> our_region = boost::dynamic_pointer_cast<AudioRegion> (*ours);
+ assert (our_region);
- for (set<Region *>::iterator ar = all_regions.begin(); ar != all_regions.end(); ++ar) {
- (*ar)->unlock_sources ();
- delete *ar;
+ our_region->set_fade_in_length (fade_in);
+ our_region->set_fade_out_length (fade_out);
+ ++ours;
}
- /* delete every crossfade */
+ in_set_state--;
- for (set<Crossfade *>::iterator axf = all_xfades.begin(); axf != all_xfades.end(); ++axf) {
- delete *axf;
- }
+ /* this constructor does NOT notify others (session) */
}
-struct RegionSortByLayer {
- bool operator() (Region *a, Region *b) {
- return a->layer() < b->layer();
+/** Sort by descending layer and then by ascending position */
+struct ReadSorter {
+ bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
+ if (a->layer() != b->layer()) {
+ return a->layer() > b->layer();
+ }
+
+ return a->position() < b->position();
}
};
-jack_nframes_t
-AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, char * workbuf, jack_nframes_t start,
- jack_nframes_t cnt, unsigned chan_n)
+/** A segment of region that needs to be read */
+struct Segment {
+ Segment (boost::shared_ptr<AudioRegion> r, Evoral::Range<framepos_t> a) : region (r), range (a) {}
+
+ boost::shared_ptr<AudioRegion> region; ///< the region
+ Evoral::Range<framepos_t> range; ///< range of the region to read, in session frames
+};
+
+/** @param start Start position in session frames.
+ * @param cnt Number of frames to read.
+ */
+ARDOUR::framecnt_t
+AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, framepos_t start,
+ framecnt_t cnt, unsigned chan_n)
{
- jack_nframes_t ret = cnt;
- jack_nframes_t end;
- jack_nframes_t read_frames;
- jack_nframes_t skip_frames;
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("Playlist %1 read @ %2 for %3, channel %4, regions %5 mixdown @ %6 gain @ %7\n",
+ name(), start, cnt, chan_n, regions.size(), mixdown_buffer, gain_buffer));
/* 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).
*/
- LockMonitor rm (region_lock, __LINE__, __FILE__);
+ Playlist::RegionReadLock rl (this);
- end = start + cnt - 1;
+ /* Find all the regions that are involved in the bit we are reading,
+ and sort them by descending layer and ascending position.
+ */
+ boost::shared_ptr<RegionList> all = regions_touched_locked (start, start + cnt - 1);
+ all->sort (ReadSorter ());
- read_frames = 0;
- skip_frames = 0;
- _read_data_count = 0;
+ /* This will be a list of the bits of our read range that we have
+ handled completely (ie for which no more regions need to be read).
+ It is a list of ranges in session frames.
+ */
+ Evoral::RangeList<framepos_t> done;
- map<uint32_t,vector<Region*> > relevant_regions;
- map<uint32_t,vector<Crossfade*> > relevant_xfades;
- vector<uint32_t> relevant_layers;
+ /* This will be a list of the bits of regions that we need to read */
+ list<Segment> to_do;
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
- if ((*i)->coverage (start, end) != OverlapNone) {
-
- relevant_regions[(*i)->layer()].push_back (*i);
- relevant_layers.push_back ((*i)->layer());
- }
- }
+ /* Now go through the `all' list filling in `to_do' and `done' */
+ for (RegionList::iterator i = all->begin(); i != all->end(); ++i) {
+ boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*i);
- for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- if ((*i)->coverage (start, end) != OverlapNone) {
- relevant_xfades[(*i)->upper_layer()].push_back (*i);
- }
- }
+ /* muted regions don't figure into it at all */
+ if ( ar->muted() )
+ continue;
-// RegionSortByLayer layer_cmp;
-// relevant_regions.sort (layer_cmp);
+ /* Work out which bits of this region need to be read;
+ first, trim to the range we are reading...
+ */
+ Evoral::Range<framepos_t> region_range = ar->range ();
+ region_range.from = max (region_range.from, start);
+ region_range.to = min (region_range.to, start + cnt - 1);
- /* XXX this whole per-layer approach is a hack that
- should be removed once Crossfades become
- CrossfadeRegions and we just grab a list of relevant
- regions and call read_at() on all of them.
- */
+ /* ... and then remove the bits that are already done */
- sort (relevant_layers.begin(), relevant_layers.end());
+ Evoral::RangeList<framepos_t> region_to_do = Evoral::subtract (region_range, done);
- for (vector<uint32_t>::iterator l = relevant_layers.begin(); l != relevant_layers.end(); ++l) {
+ /* Make a note to read those bits, adding their bodies (the parts between end-of-fade-in
+ and start-of-fade-out) to the `done' list.
+ */
- vector<Region*>& r (relevant_regions[*l]);
- vector<Crossfade*>& x (relevant_xfades[*l]);
+ Evoral::RangeList<framepos_t>::List t = region_to_do.get ();
- for (vector<Region*>::iterator i = r.begin(); i != r.end(); ++i) {
- (*i)->read_at (buf, mixdown_buffer, gain_buffer, workbuf, start, cnt, chan_n, read_frames, skip_frames);
- _read_data_count += (*i)->read_data_count();
- }
-
- for (vector<Crossfade*>::iterator i = x.begin(); i != x.end(); ++i) {
-
- (*i)->read_at (buf, mixdown_buffer, gain_buffer, workbuf, start, cnt, chan_n);
+ for (Evoral::RangeList<framepos_t>::List::iterator j = t.begin(); j != t.end(); ++j) {
+ Evoral::Range<framepos_t> d = *j;
+ to_do.push_back (Segment (ar, d));
- /* don't JACK up _read_data_count, since its the same data as we just
- read from the regions, and the OS should handle that for us.
- */
+ if (ar->opaque ()) {
+ /* Cut this range down to just the body and mark it done */
+ Evoral::Range<framepos_t> body = ar->body_range ();
+ if (body.from < d.to && body.to > d.from) {
+ d.from = max (d.from, body.from);
+ d.to = min (d.to, body.to);
+ done.add (d);
+ }
+ }
}
}
- return ret;
-}
-
-
-void
-AudioPlaylist::remove_dependents (Region& region)
-{
- Crossfades::iterator i, tmp;
- AudioRegion* r = dynamic_cast<AudioRegion*> (®ion);
-
- if (r == 0) {
- fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist")
- << endmsg;
- return;
+ /* Now go backwards through the to_do list doing the actual reads */
+ for (list<Segment>::reverse_iterator i = to_do.rbegin(); i != to_do.rend(); ++i) {
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("\tPlaylist %1 read %2 @ %3 for %4, channel %5, buf @ %6 offset %7\n",
+ name(), i->region->name(), i->range.from,
+ i->range.to - i->range.from + 1, (int) chan_n,
+ buf, i->range.from - start));
+ i->region->read_at (buf + i->range.from - start, mixdown_buffer, gain_buffer, i->range.from, i->range.to - i->range.from + 1, chan_n);
}
- for (i = _crossfades.begin(); i != _crossfades.end(); ) {
- tmp = i;
- tmp++;
-
- if ((*i)->involves (*r)) {
- /* do not delete crossfades */
- _crossfades.erase (i);
- }
-
- i = tmp;
- }
+ return cnt;
}
-
void
-AudioPlaylist::flush_notifications ()
+AudioPlaylist::dump () const
{
- Playlist::flush_notifications();
+ boost::shared_ptr<Region>r;
- if (in_flush) {
- return;
- }
-
- in_flush = true;
+ cerr << "Playlist \"" << _name << "\" " << endl
+ << regions.size() << " regions "
+ << endl;
- Crossfades::iterator a;
- for (a = _pending_xfade_adds.begin(); a != _pending_xfade_adds.end(); ++a) {
- NewCrossfade (*a); /* EMIT SIGNAL */
+ 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;
}
-
- _pending_xfade_adds.clear ();
-
- in_flush = false;
}
-void
-AudioPlaylist::refresh_dependents (Region& r)
+bool
+AudioPlaylist::destroy_region (boost::shared_ptr<Region> region)
{
- AudioRegion* ar = dynamic_cast<AudioRegion*>(&r);
- set<Crossfade*> updated;
+ boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion> (region);
- if (ar == 0) {
- return;
- }
+ if (!r) {
+ return false;
+ }
- for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) {
+ bool changed = false;
- Crossfades::iterator tmp;
-
- tmp = x;
- ++tmp;
+ {
+ RegionWriteLock rlock (this);
- /* only update them once */
+ for (RegionList::iterator i = regions.begin(); i != regions.end(); ) {
- if ((*x)->involves (*ar)) {
+ RegionList::iterator tmp = i;
+ ++tmp;
- if (find (updated.begin(), updated.end(), *x) == updated.end()) {
- if ((*x)->refresh ()) {
- /* not invalidated by the refresh */
- updated.insert (*x);
- }
+ if ((*i) == region) {
+ regions.erase (i);
+ changed = true;
}
+
+ i = tmp;
}
- x = tmp;
- }
-}
+ for (set<boost::shared_ptr<Region> >::iterator x = all_regions.begin(); x != all_regions.end(); ) {
-void
-AudioPlaylist::finalize_split_region (Region *o, Region *l, Region *r)
-{
- AudioRegion *orig = dynamic_cast<AudioRegion*>(o);
- AudioRegion *left = dynamic_cast<AudioRegion*>(l);
- AudioRegion *right = dynamic_cast<AudioRegion*>(r);
-
- for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) {
- Crossfades::iterator tmp;
- tmp = x;
- ++tmp;
-
- Crossfade *fade = 0;
-
- if ((*x)->_in == orig) {
- if (! (*x)->covers(right->position())) {
- fade = 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);
- }
- }
-
- if ((*x)->_out == orig) {
- if (! (*x)->covers(right->position())) {
- fade = 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);
+ set<boost::shared_ptr<Region> >::iterator xtmp = x;
+ ++xtmp;
+
+ if ((*x) == region) {
+ all_regions.erase (x);
+ changed = true;
}
- }
-
- if (fade) {
- _crossfades.remove( (*x) );
- add_crossfade (*fade);
- }
- x = tmp;
- }
-}
-void
-AudioPlaylist::check_dependents (Region& r, bool norefresh)
-{
- AudioRegion* other;
- AudioRegion* region;
- AudioRegion* top;
- AudioRegion* bottom;
- Crossfade* xfade;
+ x = xtmp;
+ }
- if (in_set_state || in_partition) {
- return;
+ region->set_playlist (boost::shared_ptr<Playlist>());
}
- if ((region = dynamic_cast<AudioRegion*> (&r)) == 0) {
- fatal << _("programming error: non-audio Region tested for overlap in audio playlist")
- << endmsg;
- return;
+ if (changed) {
+ /* overload this, it normally means "removed", not destroyed */
+ notify_region_removed (region);
}
- if (!norefresh) {
- refresh_dependents (r);
- }
+ return changed;
+}
- if (!Config->get_auto_xfade()) {
- return;
+bool
+AudioPlaylist::region_changed (const PropertyChange& what_changed, boost::shared_ptr<Region> region)
+{
+ if (in_flush || in_set_state) {
+ return false;
}
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ PropertyChange bounds;
+ bounds.add (Properties::start);
+ bounds.add (Properties::position);
+ bounds.add (Properties::length);
- other = dynamic_cast<AudioRegion*> (*i);
+ PropertyChange our_interests;
- if (other == region) {
- continue;
- }
+ our_interests.add (Properties::fade_in_active);
+ our_interests.add (Properties::fade_out_active);
+ our_interests.add (Properties::scale_amplitude);
+ our_interests.add (Properties::envelope_active);
+ our_interests.add (Properties::envelope);
+ our_interests.add (Properties::fade_in);
+ our_interests.add (Properties::fade_out);
- if (other->muted() || region->muted()) {
- continue;
- }
-
- if (other->layer() < region->layer()) {
- top = region;
- bottom = other;
- } else {
- top = other;
- bottom = region;
- }
+ bool parent_wants_notify;
- 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.
- */
-
- jack_nframes_t xfade_length = min ((jack_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);
-
- } else {
-
- xfade = new Crossfade (*other, *region, _session.get_xfade_model(), _session.get_crossfades_active());
- add_crossfade (*xfade);
- }
- }
- }
-
- catch (failed_constructor& err) {
- continue;
- }
-
- catch (Crossfade::NoCrossfadeHere& err) {
- continue;
- }
-
+ parent_wants_notify = Playlist::region_changed (what_changed, region);
+ /* if bounds changed, we have already done notify_contents_changed ()*/
+ if ((parent_wants_notify || what_changed.contains (our_interests)) && !what_changed.contains (bounds)) {
+ notify_contents_changed ();
}
+
+ return true;
}
void
-AudioPlaylist::add_crossfade (Crossfade& xfade)
+AudioPlaylist::pre_combine (vector<boost::shared_ptr<Region> >& copies)
{
- Crossfades::iterator ci;
+ RegionSortByPosition cmp;
+ boost::shared_ptr<AudioRegion> ar;
- for (ci = _crossfades.begin(); ci != _crossfades.end(); ++ci) {
- if (*(*ci) == xfade) { // Crossfade::operator==()
- break;
- }
- }
-
- if (ci != _crossfades.end()) {
- delete &xfade;
- } else {
- _crossfades.push_back (&xfade);
+ sort (copies.begin(), copies.end(), cmp);
- xfade.Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
- xfade.StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
+ ar = boost::dynamic_pointer_cast<AudioRegion> (copies.front());
- notify_crossfade_added (&xfade);
- }
-}
-
-void AudioPlaylist::notify_crossfade_added (Crossfade *x)
-{
- if (atomic_read(&block_notifications)) {
- _pending_xfade_adds.insert (_pending_xfade_adds.end(), x);
- } else {
- NewCrossfade (x); /* EMIT SIGNAL */
+ /* disable fade in of the first region */
+
+ if (ar) {
+ ar->set_fade_in_active (false);
}
-}
-void
-AudioPlaylist::crossfade_invalidated (Crossfade* xfade)
-{
- Crossfades::iterator i;
+ ar = boost::dynamic_pointer_cast<AudioRegion> (copies.back());
- xfade->in().resume_fade_in ();
- xfade->out().resume_fade_out ();
+ /* disable fade out of the last region */
- if ((i = find (_crossfades.begin(), _crossfades.end(), xfade)) != _crossfades.end()) {
- _crossfades.erase (i);
+ if (ar) {
+ ar->set_fade_out_active (false);
}
}
-int
-AudioPlaylist::set_state (const XMLNode& node)
+void
+AudioPlaylist::post_combine (vector<boost::shared_ptr<Region> >& originals, boost::shared_ptr<Region> compound_region)
{
- XMLNode *child;
- XMLNodeList nlist;
- XMLNodeConstIterator niter;
+ RegionSortByPosition cmp;
+ boost::shared_ptr<AudioRegion> ar;
+ boost::shared_ptr<AudioRegion> cr;
- if (!in_set_state) {
- Playlist::set_state (node);
+ if ((cr = boost::dynamic_pointer_cast<AudioRegion> (compound_region)) == 0) {
+ return;
}
- nlist = node.children();
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- child = *niter;
-
- if (child->name() == "Crossfade") {
+ sort (originals.begin(), originals.end(), cmp);
- Crossfade *xfade;
-
- try {
- xfade = new Crossfade (*((const Playlist *)this), *child);
- }
+ ar = boost::dynamic_pointer_cast<AudioRegion> (originals.front());
- catch (failed_constructor& err) {
- // cout << string_compose (_("could not create crossfade object in playlist %1"),
- // _name)
- // << endl;
- continue;
- }
+ /* copy the fade in of the first into the compound region */
- Crossfades::iterator ci;
-
- for (ci = _crossfades.begin(); ci != _crossfades.end(); ++ci) {
- if (*(*ci) == *xfade) {
- break;
- }
- }
+ if (ar) {
+ cr->set_fade_in (ar->fade_in());
+ }
- if (ci == _crossfades.end()) {
- _crossfades.push_back (xfade);
- xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated));
- xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed));
- /* no need to notify here */
- } else {
- delete xfade;
- }
- }
+ ar = boost::dynamic_pointer_cast<AudioRegion> (originals.back());
+ if (ar) {
+ /* copy the fade out of the last into the compound region */
+ cr->set_fade_out (ar->fade_out());
}
-
- return 0;
}
void
-AudioPlaylist::drop_all_states ()
+AudioPlaylist::pre_uncombine (vector<boost::shared_ptr<Region> >& originals, boost::shared_ptr<Region> compound_region)
{
- set<Crossfade*> all_xfades;
- set<Region*> all_regions;
-
- /* find every region we've ever used, and add it to the set of
- all regions. same for xfades;
- */
+ RegionSortByPosition cmp;
+ boost::shared_ptr<AudioRegion> ar;
+ boost::shared_ptr<AudioRegion> cr = boost::dynamic_pointer_cast<AudioRegion>(compound_region);
- for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
-
- AudioPlaylist::State* apstate = dynamic_cast<AudioPlaylist::State*> (*i);
-
- for (RegionList::iterator r = apstate->regions.begin(); r != apstate->regions.end(); ++r) {
- all_regions.insert (*r);
- }
- for (Crossfades::iterator xf = apstate->crossfades.begin(); xf != apstate->crossfades.end(); ++xf) {
- all_xfades.insert (*xf);
- }
+ if (!cr) {
+ return;
}
- /* now remove from the "all" lists every region that is in the current list. */
+ sort (originals.begin(), originals.end(), cmp);
- for (list<Region*>::iterator i = regions.begin(); i != regions.end(); ++i) {
- set<Region*>::iterator x = all_regions.find (*i);
- if (x != all_regions.end()) {
- all_regions.erase (x);
- }
- }
+ /* no need to call clear_changes() on the originals because that is
+ * done within Playlist::uncombine ()
+ */
- /* ditto for every crossfade */
+ for (vector<boost::shared_ptr<Region> >::iterator i = originals.begin(); i != originals.end(); ++i) {
- for (list<Crossfade*>::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- set<Crossfade*>::iterator x = all_xfades.find (*i);
- if (x != all_xfades.end()) {
- all_xfades.erase (x);
+ if ((ar = boost::dynamic_pointer_cast<AudioRegion> (*i)) == 0) {
+ continue;
}
- }
-
- /* delete every region that is left - these are all things that are part of our "history" */
-
- for (set<Region *>::iterator ar = all_regions.begin(); ar != all_regions.end(); ++ar) {
- (*ar)->unlock_sources ();
- delete *ar;
- }
-
- /* delete every crossfade that is left (ditto as per regions) */
- for (set<Crossfade *>::iterator axf = all_xfades.begin(); axf != all_xfades.end(); ++axf) {
- delete *axf;
- }
+ /* scale the uncombined regions by any gain setting for the
+ * compound one.
+ */
- /* Now do the generic thing ... */
+ ar->set_scale_amplitude (ar->scale_amplitude() * cr->scale_amplitude());
- StateManager::drop_all_states ();
-}
+ if (i == originals.begin()) {
-StateManager::State*
-AudioPlaylist::state_factory (std::string why) const
-{
- State* state = new State (why);
-
- state->regions = regions;
- state->region_states.clear ();
- for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
- state->region_states.push_back ((*i)->get_memento());
- }
+ /* copy the compound region's fade in back into the first
+ original region.
+ */
- state->crossfades = _crossfades;
- state->crossfade_states.clear ();
- for (Crossfades::const_iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- state->crossfade_states.push_back ((*i)->get_memento());
- }
- return state;
-}
+ if (cr->fade_in()->back()->when <= ar->length()) {
+ /* don't do this if the fade is longer than the
+ * region
+ */
+ ar->set_fade_in (cr->fade_in());
+ }
-Change
-AudioPlaylist::restore_state (StateManager::State& state)
-{
- {
- RegionLock rlock (this);
- State* apstate = dynamic_cast<State*> (&state);
- in_set_state = true;
+ } else if (*i == originals.back()) {
- regions = apstate->regions;
+ /* copy the compound region's fade out back into the last
+ original region.
+ */
- for (list<UndoAction>::iterator s = apstate->region_states.begin(); s != apstate->region_states.end(); ++s) {
- (*s) ();
- }
+ if (cr->fade_out()->back()->when <= ar->length()) {
+ /* don't do this if the fade is longer than the
+ * region
+ */
+ ar->set_fade_out (cr->fade_out());
+ }
- _crossfades = apstate->crossfades;
-
- for (list<UndoAction>::iterator s = apstate->crossfade_states.begin(); s != apstate->crossfade_states.end(); ++s) {
- (*s) ();
}
- in_set_state = false;
+ _session.add_command (new StatefulDiffCommand (*i));
}
-
- notify_length_changed ();
- return Change (~0);
}
-UndoAction
-AudioPlaylist::get_memento () const
-{
- return sigc::bind (mem_fun (*(const_cast<AudioPlaylist*> (this)), &StateManager::use_state), _current_state_id);
-}
-
-void
-AudioPlaylist::clear (bool with_delete, bool with_save)
-{
- if (with_delete) {
- for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- delete *i;
- }
- }
-
- _crossfades.clear ();
-
- Playlist::clear (with_delete, with_save);
-}
-
-XMLNode&
-AudioPlaylist::state (bool full_state)
+int
+AudioPlaylist::set_state (const XMLNode& node, int version)
{
- 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;
+ return Playlist::set_state (node, version);
}
void
-AudioPlaylist::dump () const
-{
- Region *r;
- Crossfade *x;
-
- 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;
- }
-
- 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;
- }
-}
-
-bool
-AudioPlaylist::destroy_region (Region* region)
+AudioPlaylist::load_legacy_crossfades (const XMLNode& node, int version)
{
- AudioRegion* r = dynamic_cast<AudioRegion*> (region);
- bool changed = false;
- Crossfades::iterator c, ctmp;
- set<Crossfade*> unique_xfades;
+ /* Read legacy Crossfade nodes and set up region fades accordingly */
- if (r == 0) {
- fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist")
- << endmsg;
- /*NOTREACHED*/
- return false;
- }
+ XMLNodeList children = node.children ();
+ for (XMLNodeConstIterator i = children.begin(); i != children.end(); ++i) {
+ if ((*i)->name() == X_("Crossfade")) {
- {
- RegionLock rlock (this);
- RegionList::iterator i;
- RegionList::iterator tmp;
+ XMLProperty const * p = (*i)->property (X_("active"));
+ assert (p);
- for (i = regions.begin(); i != regions.end(); ) {
-
- tmp = i;
- ++tmp;
-
- if ((*i) == region) {
- (*i)->unlock_sources ();
- regions.erase (i);
- changed = true;
+ if (!string_is_affirmative (p->value())) {
+ continue;
}
-
- i = tmp;
- }
- }
-
- for (c = _crossfades.begin(); c != _crossfades.end(); ) {
- ctmp = c;
- ++ctmp;
- if ((*c)->involves (*r)) {
- unique_xfades.insert (*c);
- _crossfades.erase (c);
- }
-
- c = ctmp;
- }
-
- for (StateMap::iterator s = states.begin(); s != states.end(); ) {
- StateMap::iterator tmp;
-
- tmp = s;
- ++tmp;
-
- State* astate = dynamic_cast<State*> (*s);
-
- for (c = astate->crossfades.begin(); c != astate->crossfades.end(); ) {
-
- ctmp = c;
- ++ctmp;
-
- if ((*c)->involves (*r)) {
- unique_xfades.insert (*c);
- _crossfades.erase (c);
+ if ((p = (*i)->property (X_("in"))) == 0) {
+ continue;
}
- c = ctmp;
- }
-
- list<UndoAction>::iterator rsi, rsitmp;
- RegionList::iterator ri, ritmp;
+ boost::shared_ptr<Region> in = region_by_id (PBD::ID (p->value ()));
- for (ri = astate->regions.begin(), rsi = astate->region_states.begin();
- ri != astate->regions.end() && rsi != astate->region_states.end();) {
+ if (!in) {
+ warning << string_compose (_("Legacy crossfade involved an incoming region not present in playlist \"%1\" - crossfade discarded"),
+ name())
+ << endmsg;
+ continue;
+ }
+ boost::shared_ptr<AudioRegion> in_a = boost::dynamic_pointer_cast<AudioRegion> (in);
+ assert (in_a);
- ritmp = ri;
- ++ritmp;
+ if ((p = (*i)->property (X_("out"))) == 0) {
+ continue;
+ }
- rsitmp = rsi;
- ++rsitmp;
+ boost::shared_ptr<Region> out = region_by_id (PBD::ID (p->value ()));
- if (region == (*ri)) {
- astate->regions.erase (ri);
- astate->region_states.erase (rsi);
+ if (!out) {
+ warning << string_compose (_("Legacy crossfade involved an outgoing region not present in playlist \"%1\" - crossfade discarded"),
+ name())
+ << endmsg;
+ continue;
}
- ri = ritmp;
- rsi = rsitmp;
- }
-
- s = tmp;
- }
+ boost::shared_ptr<AudioRegion> out_a = boost::dynamic_pointer_cast<AudioRegion> (out);
+ assert (out_a);
- for (set<Crossfade*>::iterator c = unique_xfades.begin(); c != unique_xfades.end(); ++c) {
- delete *c;
- }
+ /* now decide whether to add a fade in or fade out
+ * xfade and to which region
+ */
- if (changed) {
- /* overload this, it normally means "removed", not destroyed */
- notify_region_removed (region);
- }
+ if (in->layer() <= out->layer()) {
- return changed;
-}
-
-void
-AudioPlaylist::crossfade_changed (Change ignored)
-{
- if (in_flush || in_set_state) {
- return;
- }
+ /* incoming region is below the outgoing one,
+ * so apply a fade out to the outgoing one
+ */
- /* XXX is there a loop here? can an xfade change not happen
- due to a playlist change? well, sure activation would
- be an example. maybe we should check the type of change
- that occured.
- */
+ const XMLNodeList c = (*i)->children ();
- maybe_save_state (_("xfade change"));
+ for (XMLNodeConstIterator j = c.begin(); j != c.end(); ++j) {
+ if ((*j)->name() == X_("FadeOut")) {
+ out_a->fade_out()->set_state (**j, version);
+ } else if ((*j)->name() == X_("FadeIn")) {
+ out_a->inverse_fade_out()->set_state (**j, version);
+ }
+ }
- notify_modified ();
-}
+ out_a->set_fade_out_active (true);
-void
-AudioPlaylist::get_equivalent_regions (const AudioRegion& other, vector<AudioRegion*>& results)
-{
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ } else {
- AudioRegion* ar = dynamic_cast<AudioRegion*> (*i);
+ /* apply a fade in to the incoming region,
+ * since its above the outgoing one
+ */
- if (ar && ar->equivalent (other)) {
- results.push_back (ar);
- }
- }
-}
+ const XMLNodeList c = (*i)->children ();
-void
-AudioPlaylist::get_region_list_equivalent_regions (const AudioRegion& other, vector<AudioRegion*>& results)
-{
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ for (XMLNodeConstIterator j = c.begin(); j != c.end(); ++j) {
+ if ((*j)->name() == X_("FadeIn")) {
+ in_a->fade_in()->set_state (**j, version);
+ } else if ((*j)->name() == X_("FadeOut")) {
+ in_a->inverse_fade_in()->set_state (**j, version);
+ }
+ }
- AudioRegion* ar = dynamic_cast<AudioRegion*> (*i);
-
- if (ar && ar->region_list_equivalent (other)) {
- results.push_back (ar);
+ in_a->set_fade_in_active (true);
+ }
}
}
}
-
-bool
-AudioPlaylist::region_changed (Change what_changed, Region* region)
-{
- if (in_flush || in_set_state) {
- return false;
- }
-
- Change our_interests = Change (AudioRegion::FadeInChanged|
- AudioRegion::FadeOutChanged|
- AudioRegion::FadeInActiveChanged|
- AudioRegion::FadeOutActiveChanged|
- AudioRegion::EnvelopeActiveChanged|
- AudioRegion::ScaleAmplitudeChanged|
- AudioRegion::EnvelopeChanged);
- bool parent_wants_notify;
-
- parent_wants_notify = Playlist::region_changed (what_changed, region);
-
- maybe_save_state (_("region modified"));
-
- if ((parent_wants_notify || (what_changed & our_interests))) {
- notify_modified ();
- }
-
- return true;
-}
-
-void
-AudioPlaylist::crossfades_at (jack_nframes_t frame, Crossfades& clist)
-{
- RegionLock rlock (this);
-
- for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- jack_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);
- }
- }
-}
projects / ardour.git / blobdiff