#include <cstdlib>
-
#include "ardour/types.h"
#include "ardour/debug.h"
-#include "ardour/configuration.h"
#include "ardour/audioplaylist.h"
#include "ardour/audioregion.h"
-#include "ardour/crossfade.h"
-#include "ardour/crossfade_compare.h"
+#include "ardour/region_sorters.h"
#include "ardour/session.h"
-#include "pbd/enumwriter.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace std;
AudioPlaylist::AudioPlaylist (Session& session, const XMLNode& node, bool hidden)
: Playlist (session, node, DataType::AUDIO, hidden)
{
- const XMLProperty* prop = node.property("type");
+#ifndef NDEBUG
+ XMLProperty const * prop = node.property("type");
assert(!prop || DataType(prop->value()) == DataType::AUDIO);
+#endif
in_set_state++;
- set_state (node, Stateful::loading_state_version);
+ 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)
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::iterator in_n = regions.begin();
+}
- while (in_o != other->regions.end()) {
- boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(*in_o);
+AudioPlaylist::AudioPlaylist (boost::shared_ptr<const AudioPlaylist> other, framepos_t start, framecnt_t cnt, string name, bool hidden)
+ : Playlist (other, start, cnt, name, hidden)
+{
+ RegionReadLock rlock2 (const_cast<AudioPlaylist*> (other.get()));
+ in_set_state++;
- // 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!
+ framepos_t const end = start + cnt - 1;
- RegionList::const_iterator out_o = other->regions.begin();
- RegionList::const_iterator out_n = regions.begin();
+ /* 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.
+ */
- while (out_o != other->regions.end()) {
+ RegionList::iterator ours = regions.begin ();
- boost::shared_ptr<AudioRegion>ar2 = boost::dynamic_pointer_cast<AudioRegion>(*out_o);
+ 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);
- 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);
- boost::shared_ptr<Crossfade> new_fade = boost::shared_ptr<Crossfade> (new Crossfade (*xfades, in, out));
- add_crossfade(new_fade);
- break;
- }
+ framecnt_t fade_in = 64;
+ framecnt_t fade_out = 64;
- out_o++;
- out_n++;
- }
-// cerr << "HUH!? second region in the crossfade not found!" << endl;
+ switch (region->coverage (start, end)) {
+ case Evoral::OverlapNone:
+ continue;
+
+ 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;
+ }
+
+ 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;
+ }
+
+ 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;
}
- in_o++;
- in_n++;
+ case Evoral::OverlapExternal:
+ fade_in = region->fade_in()->back()->when;
+ fade_out = region->fade_out()->back()->when;
+ break;
+ }
+
+ boost::shared_ptr<AudioRegion> our_region = boost::dynamic_pointer_cast<AudioRegion> (*ours);
+ assert (our_region);
+
+ our_region->set_fade_in_length (fade_in);
+ our_region->set_fade_out_length (fade_out);
+ ++ours;
}
-}
-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) */
-}
+ in_set_state--;
-AudioPlaylist::~AudioPlaylist ()
-{
- _crossfades.clear ();
+ /* this constructor does NOT notify others (session) */
}
-struct RegionSortByLayer {
+/** Sort by descending layer and then by ascending position */
+struct ReadSorter {
bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
- return a->layer() < b->layer();
+ if (a->layer() != b->layer()) {
+ return a->layer() > b->layer();
+ }
+
+ return a->position() < b->position();
}
};
-ARDOUR::nframes_t
-AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nframes_t start,
- 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)
{
- nframes_t ret = cnt;
- nframes_t end;
- nframes_t read_frames;
- 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
its OK to block (for short intervals).
*/
- 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;
+ Playlist::RegionReadLock rl (this);
- 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 (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- if ((*i)->coverage (start, end) != OverlapNone) {
- relevant_xfades[(*i)->upper_layer()].push_back (*i);
- }
- }
-
-// RegionSortByLayer layer_cmp;
-// relevant_regions.sort (layer_cmp);
-
- /* 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.
+ /* 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 ());
- sort (relevant_layers.begin(), relevant_layers.end());
-
- for (vector<uint32_t>::iterator l = relevant_layers.begin(); l != relevant_layers.end(); ++l) {
-
- vector<boost::shared_ptr<Region> > r (relevant_regions[*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);
- DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("read from region %1\n", ar->name()));
- assert(ar);
- 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);
-
- /* 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.
- */
- }
- }
-
- delete rlist;
- return ret;
-}
-
-
-void
-AudioPlaylist::remove_dependents (boost::shared_ptr<Region> region)
-{
- 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 (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ) {
-
- if ((*i)->involves (r)) {
- i = _crossfades.erase (i);
- } else {
- ++i;
- }
- }
-}
-
-
-void
-AudioPlaylist::flush_notifications ()
-{
- Playlist::flush_notifications();
-
- if (in_flush) {
- return;
- }
-
- in_flush = true;
-
- Crossfades::iterator a;
- for (a = _pending_xfade_adds.begin(); a != _pending_xfade_adds.end(); ++a) {
- NewCrossfade (*a); /* EMIT SIGNAL */
- }
-
- _pending_xfade_adds.clear ();
-
- in_flush = false;
-}
-
-void
-AudioPlaylist::refresh_dependents (boost::shared_ptr<Region> r)
-{
- boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
- 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;
-
- /* only update them once */
-
- if ((*x)->involves (ar)) {
-
- 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
- }
- }
- }
-
- x = tmp;
- }
-}
-
-void
-AudioPlaylist::finalize_split_region (boost::shared_ptr<Region> o, boost::shared_ptr<Region> l, boost::shared_ptr<Region> r)
-{
- boost::shared_ptr<AudioRegion> orig = boost::dynamic_pointer_cast<AudioRegion>(o);
- boost::shared_ptr<AudioRegion> left = boost::dynamic_pointer_cast<AudioRegion>(l);
- boost::shared_ptr<AudioRegion> right = boost::dynamic_pointer_cast<AudioRegion>(r);
-
- for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) {
- Crossfades::iterator tmp;
- tmp = x;
- ++tmp;
-
- boost::shared_ptr<Crossfade> fade;
-
- 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 (*x, right, (*x)->_out));
- }
- }
-
- 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 (*x, (*x)->_in, left));
- }
- }
-
- if (fade) {
- _crossfades.remove (*x);
- add_crossfade (fade);
- }
- x = tmp;
- }
-}
-
-void
-AudioPlaylist::check_dependents (boost::shared_ptr<Region> r, bool norefresh)
-{
- boost::shared_ptr<AudioRegion> other;
- boost::shared_ptr<AudioRegion> region;
- 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 ((region = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
- fatal << _("programming error: non-audio Region tested for overlap in audio playlist")
- << endmsg;
- return;
- }
-
- if (!norefresh) {
- refresh_dependents (r);
- }
-
-
- if (!_session.config.get_auto_xfade()) {
- return;
- }
-
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
- other = boost::dynamic_pointer_cast<AudioRegion> (*i);
-
- if (other == region) {
- continue;
- }
-
- if (other->muted() || region->muted()) {
- continue;
- }
+ /* 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;
+ /* This will be a list of the bits of regions that we need to read */
+ list<Segment> to_do;
- if (other->layer() < region->layer()) {
- top = region;
- bottom = other;
- } else {
- top = other;
- bottom = region;
- }
+ /* 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);
- if (!top->opaque()) {
+ /* muted regions don't figure into it at all */
+ if ( ar->muted() )
continue;
- }
-
- OverlapType c = top->coverage (bottom->position(), bottom->last_frame());
- delete touched_regions;
- touched_regions = 0;
+ /* 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);
- try {
- nframes_t xfade_length;
- switch (c) {
- case OverlapNone:
- break;
+ /* ... and then remove the bits that are already done */
- case OverlapInternal:
- /* {=============== top =============}
- * [ ----- bottom ------- ]
- */
- break;
+ Evoral::RangeList<framepos_t> region_to_do = Evoral::subtract (region_range, done);
- case OverlapExternal:
+ /* 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.
+ */
- /* [ -------- 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 ((framecnt_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).
- */
-
- 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 ((framecnt_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:
+ Evoral::RangeList<framepos_t>::List t = region_to_do.get ();
+ 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));
- /* [---- 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 ((framecnt_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);
- }
+ 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);
}
- 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 (boost::shared_ptr<Crossfade> xfade)
-{
- Crossfades::iterator ci;
-
- for (ci = _crossfades.begin(); ci != _crossfades.end(); ++ci) {
- if (*(*ci) == *xfade) { // Crossfade::operator==()
- break;
- }
- }
-
- if (ci != _crossfades.end()) {
- // it will just go away
- } else {
- _crossfades.push_back (xfade);
-
- xfade->Invalidated.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_invalidated, this, _1));
- xfade->PropertyChanged.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_changed, this, _1));
-
- notify_crossfade_added (xfade);
- }
-}
-
-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);
- } else {
- NewCrossfade (x); /* EMIT SIGNAL */
- }
-}
-
-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 ();
-
- if ((i = find (_crossfades.begin(), _crossfades.end(), xfade)) != _crossfades.end()) {
- _crossfades.erase (i);
- }
-}
-
-int
-AudioPlaylist::set_state (const XMLNode& node, int version)
-{
- XMLNode *child;
- XMLNodeList nlist;
- XMLNodeConstIterator niter;
-
- in_set_state++;
-
- Playlist::set_state (node, version);
-
- freeze ();
-
- nlist = node.children();
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- child = *niter;
-
- if (child->name() != "Crossfade") {
- continue;
- }
-
- try {
- 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->PropertyChanged.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)
- // << endl;
- continue;
- }
}
- thaw ();
- in_set_state--;
-
- return 0;
-}
-
-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());
- }
+ /* 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);
}
- return node;
+ return cnt;
}
void
AudioPlaylist::dump () const
{
boost::shared_ptr<Region>r;
- boost::shared_ptr<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->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
}
bool changed = false;
- Crossfades::iterator c, ctmp;
- set<boost::shared_ptr<Crossfade> > unique_xfades;
{
- RegionLock rlock (this);
+ RegionWriteLock rlock (this);
for (RegionList::iterator i = regions.begin(); i != regions.end(); ) {
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);
return changed;
}
-void
-AudioPlaylist::crossfade_changed (const PropertyChange&)
-{
- if (in_flush || in_set_state) {
- return;
- }
-
- /* 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.
- */
-
- notify_contents_changed ();
-}
-
bool
AudioPlaylist::region_changed (const PropertyChange& what_changed, boost::shared_ptr<Region> region)
{
return false;
}
+ PropertyChange bounds;
+ bounds.add (Properties::start);
+ bounds.add (Properties::position);
+ bounds.add (Properties::length);
+
PropertyChange our_interests;
our_interests.add (Properties::fade_in_active);
bool parent_wants_notify;
parent_wants_notify = Playlist::region_changed (what_changed, region);
-
- if (parent_wants_notify || (what_changed.contains (our_interests))) {
+ /* 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 ();
}
}
void
-AudioPlaylist::crossfades_at (nframes_t frame, Crossfades& clist)
+AudioPlaylist::pre_combine (vector<boost::shared_ptr<Region> >& copies)
{
- RegionLock rlock (this);
+ RegionSortByPosition cmp;
+ boost::shared_ptr<AudioRegion> ar;
+
+ sort (copies.begin(), copies.end(), cmp);
+
+ ar = boost::dynamic_pointer_cast<AudioRegion> (copies.front());
+
+ /* disable fade in of the first region */
+
+ if (ar) {
+ ar->set_fade_in_active (false);
+ }
- for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- nframes_t start, end;
+ ar = boost::dynamic_pointer_cast<AudioRegion> (copies.back());
- start = (*i)->position();
- end = start + (*i)->overlap_length(); // not length(), important difference
+ /* disable fade out of the last region */
- if (frame >= start && frame <= end) {
- clist.push_back (*i);
+ if (ar) {
+ ar->set_fade_out_active (false);
+ }
+}
+
+void
+AudioPlaylist::post_combine (vector<boost::shared_ptr<Region> >& originals, boost::shared_ptr<Region> compound_region)
+{
+ RegionSortByPosition cmp;
+ boost::shared_ptr<AudioRegion> ar;
+ boost::shared_ptr<AudioRegion> cr;
+
+ if ((cr = boost::dynamic_pointer_cast<AudioRegion> (compound_region)) == 0) {
+ return;
+ }
+
+ sort (originals.begin(), originals.end(), cmp);
+
+ ar = boost::dynamic_pointer_cast<AudioRegion> (originals.front());
+
+ /* copy the fade in of the first into the compound region */
+
+ if (ar) {
+ cr->set_fade_in (ar->fade_in());
+ }
+
+ 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());
+ }
+}
+
+void
+AudioPlaylist::pre_uncombine (vector<boost::shared_ptr<Region> >& originals, boost::shared_ptr<Region> compound_region)
+{
+ RegionSortByPosition cmp;
+ boost::shared_ptr<AudioRegion> ar;
+ boost::shared_ptr<AudioRegion> cr = boost::dynamic_pointer_cast<AudioRegion>(compound_region);
+
+ if (!cr) {
+ return;
+ }
+
+ sort (originals.begin(), originals.end(), cmp);
+
+ /* no need to call clear_changes() on the originals because that is
+ * done within Playlist::uncombine ()
+ */
+
+ for (vector<boost::shared_ptr<Region> >::iterator i = originals.begin(); i != originals.end(); ++i) {
+
+ if ((ar = boost::dynamic_pointer_cast<AudioRegion> (*i)) == 0) {
+ continue;
}
+
+ /* scale the uncombined regions by any gain setting for the
+ * compound one.
+ */
+
+ ar->set_scale_amplitude (ar->scale_amplitude() * cr->scale_amplitude());
+
+ if (i == originals.begin()) {
+
+ /* copy the compound region's fade in back into the first
+ original region.
+ */
+
+ 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());
+ }
+
+
+ } else if (*i == originals.back()) {
+
+ /* copy the compound region's fade out back into the last
+ original region.
+ */
+
+ 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());
+ }
+
+ }
+
+ _session.add_command (new StatefulDiffCommand (*i));
}
}
+int
+AudioPlaylist::set_state (const XMLNode& node, int version)
+{
+ return Playlist::set_state (node, version);
+}
+
void
-AudioPlaylist::foreach_crossfade (boost::function<void (boost::shared_ptr<Crossfade>)> s)
+AudioPlaylist::load_legacy_crossfades (const XMLNode& node, int version)
{
- RegionLock rl (this, false);
- for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
- s (*i);
+ /* Read legacy Crossfade nodes and set up region fades accordingly */
+
+ XMLNodeList children = node.children ();
+ for (XMLNodeConstIterator i = children.begin(); i != children.end(); ++i) {
+ if ((*i)->name() == X_("Crossfade")) {
+
+ XMLProperty const * p = (*i)->property (X_("active"));
+ assert (p);
+
+ if (!string_is_affirmative (p->value())) {
+ continue;
+ }
+
+ if ((p = (*i)->property (X_("in"))) == 0) {
+ continue;
+ }
+
+ boost::shared_ptr<Region> in = region_by_id (PBD::ID (p->value ()));
+
+ 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);
+
+ if ((p = (*i)->property (X_("out"))) == 0) {
+ continue;
+ }
+
+ boost::shared_ptr<Region> out = region_by_id (PBD::ID (p->value ()));
+
+ if (!out) {
+ warning << string_compose (_("Legacy crossfade involved an outgoing region not present in playlist \"%1\" - crossfade discarded"),
+ name())
+ << endmsg;
+ continue;
+ }
+
+ boost::shared_ptr<AudioRegion> out_a = boost::dynamic_pointer_cast<AudioRegion> (out);
+ assert (out_a);
+
+ /* now decide whether to add a fade in or fade out
+ * xfade and to which region
+ */
+
+ if (in->layer() <= out->layer()) {
+
+ /* incoming region is below the outgoing one,
+ * so apply a fade out to the outgoing one
+ */
+
+ const XMLNodeList c = (*i)->children ();
+
+ 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);
+ }
+ }
+
+ out_a->set_fade_out_active (true);
+
+ } else {
+
+ /* apply a fade in to the incoming region,
+ * since its above the outgoing one
+ */
+
+ const XMLNodeList c = (*i)->children ();
+
+ 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);
+ }
+ }
+
+ in_a->set_fade_in_active (true);
+ }
+ }
}
}
projects / ardour.git / blobdiff