#include <ardour/midi_playlist.h>
#include <ardour/midi_region.h>
#include <ardour/session.h>
+#include <ardour/midi_ring_buffer.h>
#include <pbd/error.h>
using namespace sigc;
using namespace std;
-MidiPlaylist::State::~State ()
-{}
-
MidiPlaylist::MidiPlaylist (Session& session, const XMLNode& node, bool hidden)
- : Playlist (session, node, hidden)
+ : Playlist (session, node, DataType::MIDI, hidden)
{
- in_set_state = true;
- set_state (node);
- in_set_state = false;
-
- save_state (_("initial state"));
+ const XMLProperty* prop = node.property("type");
+ assert(prop && DataType(prop->value()) == DataType::MIDI);
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
- }
+ in_set_state++;
+ set_state (node);
+ in_set_state--;
}
MidiPlaylist::MidiPlaylist (Session& session, string name, bool hidden)
- : Playlist (session, name, hidden)
+ : Playlist (session, name, DataType::MIDI, hidden)
{
- save_state (_("initial state"));
-
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
- }
-
}
-MidiPlaylist::MidiPlaylist (const MidiPlaylist& other, string name, bool hidden)
+MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, string name, bool hidden)
: Playlist (other, name, hidden)
{
- save_state (_("initial state"));
+ throw; // nope
/*
list<Region*>::const_iterator in_o = other.regions.begin();
in_n++;
}
*/
- if (!hidden) {
- PlaylistCreated (this); /* EMIT SIGNAL */
- }
}
-MidiPlaylist::MidiPlaylist (const MidiPlaylist& other, jack_nframes_t start, jack_nframes_t cnt, string name, bool hidden)
- : Playlist (other, start, cnt, name, hidden)
+MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, nframes_t start, nframes_t dur, string name, bool hidden)
+ : Playlist (other, start, dur, name, hidden)
{
- save_state (_("initial state"));
-
/* this constructor does NOT notify others (session) */
}
MidiPlaylist::~MidiPlaylist ()
{
- set <Region*> all_regions;
-
- GoingAway (this);
-
- /* find every region we've ever used, and add it to the set of
- all regions.
- */
-
- for (RegionList::iterator x = regions.begin(); x != regions.end(); ++x) {
- all_regions.insert (*x);
- }
-
- for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
-
- MidiPlaylist::State* apstate = dynamic_cast<MidiPlaylist::State*> (*i);
-
- for (RegionList::iterator r = apstate->regions.begin(); r != apstate->regions.end(); ++r) {
- all_regions.insert (*r);
- }
-
- delete apstate;
- }
-
- /* delete every region */
-
- for (set<Region *>::iterator ar = all_regions.begin(); ar != all_regions.end(); ++ar) {
- (*ar)->unlock_sources ();
- delete *ar;
- }
-
+ GoingAway (); /* EMIT SIGNAL */
+
+ /* drop connections to signals */
+
+ notify_callbacks ();
}
-struct RegionSortByLayer
-{
- bool operator() (Region *a, Region *b)
- {
- return a->layer() < b->layer();
- }
+struct RegionSortByLayer {
+ bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
+ return a->layer() < b->layer();
+ }
};
-/** FIXME: semantics of return value? */
-jack_nframes_t
-MidiPlaylist::read (RawMidi *buf, RawMidi *mixdown_buffer, jack_nframes_t start,
- jack_nframes_t cnt, unsigned chan_n)
+/** Returns the number of frames in time duration read (eg could be large when 0 events are read) */
+nframes_t
+MidiPlaylist::read (MidiRingBuffer& dst, nframes_t start,
+ nframes_t dur, unsigned chan_n)
{
/* this function is never called from a realtime thread, so
its OK to block (for short intervals).
Glib::Mutex::Lock rm (region_lock);
- jack_nframes_t ret = 0;
- jack_nframes_t end = start + cnt - 1;
- jack_nframes_t read_frames = 0;
- jack_nframes_t skip_frames = 0;
+ nframes_t end = start + dur - 1;
_read_data_count = 0;
- vector<MidiRegion*> regs; // relevent regions overlapping start <--> end
+ // relevent regions overlapping start <--> end
+ vector<boost::shared_ptr<Region> > regs;
for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
- MidiRegion* const mr = dynamic_cast<MidiRegion*>(*i);
- if (mr && mr->coverage (start, end) != OverlapNone) {
- regs.push_back(mr);
+
+ if ((*i)->coverage (start, end) != OverlapNone) {
+ regs.push_back(*i);
}
}
RegionSortByLayer layer_cmp;
sort(regs.begin(), regs.end(), layer_cmp);
- for (vector<MidiRegion*>::iterator i = regs.begin(); i != regs.end(); ++i) {
- (*i)->read_at (buf, mixdown_buffer, start, cnt, chan_n, read_frames, skip_frames);
- ret += (*i)->read_data_count();
+ for (vector<boost::shared_ptr<Region> >::iterator i = regs.begin(); i != regs.end(); ++i) {
+ // FIXME: ensure time is monotonic here
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(*i);
+ mr->read_at (dst, start, dur, chan_n);
+ _read_data_count += mr->read_data_count();
}
- _read_data_count += ret;
-
- return ret;
+ return dur;
}
void
-MidiPlaylist::remove_dependents (Region& region)
+MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
{
- MidiRegion* r = dynamic_cast<MidiRegion*> (®ion);
-
- if (r == 0) {
- PBD::fatal << _("programming error: non-midi Region passed to remove_overlap in midi playlist")
- << endmsg;
- return;
- }
-
+ /* MIDI regions have no dependents (crossfades) */
}
void
-MidiPlaylist::flush_notifications ()
+MidiPlaylist::refresh_dependents (boost::shared_ptr<Region> r)
{
- Playlist::flush_notifications();
-
- if (in_flush) {
- return;
- }
-
- in_flush = true;
-
- in_flush = false;
-}
-
-void
-MidiPlaylist::refresh_dependents (Region& r)
-{
- MidiRegion* ar = dynamic_cast<MidiRegion*>(&r);
-
- if (ar == 0) {
- return;
- }
+ /* MIDI regions have no dependents (crossfades) */
}
void
-MidiPlaylist::finalize_split_region (Region *o, Region *l, Region *r)
+MidiPlaylist::finalize_split_region (boost::shared_ptr<Region> original, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right)
{
+ throw; // I don't wanna
/*
MidiRegion *orig = dynamic_cast<MidiRegion*>(o);
MidiRegion *left = dynamic_cast<MidiRegion*>(l);
}
void
-MidiPlaylist::check_dependents (Region& r, bool norefresh)
+MidiPlaylist::check_dependents (boost::shared_ptr<Region> r, bool norefresh)
{
- MidiRegion* other;
- MidiRegion* region;
- MidiRegion* top;
- MidiRegion* bottom;
-
- if (in_set_state || in_partition) {
- return;
- }
-
- if ((region = dynamic_cast<MidiRegion*> (&r)) == 0) {
- PBD::fatal << _("programming error: non-midi Region tested for overlap in midi playlist")
- << endmsg;
- return;
- }
-
- if (!norefresh) {
- refresh_dependents (r);
- }
-
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
-
- other = dynamic_cast<MidiRegion*> (*i);
-
- if (other == region) {
- continue;
- }
-
- if (other->muted() || region->muted()) {
- continue;
- }
-
- if (other->layer() < region->layer()) {
- top = region;
- bottom = other;
- } else {
- top = other;
- bottom = region;
- }
-
- }
+ /* MIDI regions have no dependents (crossfades) */
}
int
MidiPlaylist::set_state (const XMLNode& node)
{
- /*
- XMLNode *child;
- XMLNodeList nlist;
- XMLNodeConstIterator niter;
-
- if (!in_set_state) {
- Playlist::set_state (node);
- }
-
- nlist = node.children();
+ in_set_state++;
+ freeze ();
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ Playlist::set_state (node);
- child = *niter;
-
- }*/
+ thaw();
+ in_set_state--;
return 0;
}
-void
-MidiPlaylist::drop_all_states ()
-{
- set<Region*> all_regions;
-
- /* find every region we've ever used, and add it to the set of
- all regions. same for xfades;
- */
-
- for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
-
- MidiPlaylist::State* apstate = dynamic_cast<MidiPlaylist::State*> (*i);
-
- for (RegionList::iterator r = apstate->regions.begin(); r != apstate->regions.end(); ++r) {
- all_regions.insert (*r);
- }
- }
-
- /* now remove from the "all" lists every region that is in the current list. */
-
- 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);
- }
- }
-
- /* 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;
- }
-
- /* Now do the generic thing ... */
-
- StateManager::drop_all_states ();
-}
-
-StateManager::State*
-MidiPlaylist::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());
- }
-
- return state;
-}
-
-Change
-MidiPlaylist::restore_state (StateManager::State& state)
-{
- {
- RegionLock rlock (this);
- State* apstate = dynamic_cast<State*> (&state);
-
- in_set_state = true;
-
- regions = apstate->regions;
-
- for (list<UndoAction>::iterator s = apstate->
- region_states.begin();
- s != apstate->region_states.end();
- ++s) {
- (*s) ();
- }
-
- in_set_state = false;
- }
-
- notify_length_changed ();
- return Change (~0);
-}
-
-UndoAction
-MidiPlaylist::get_memento () const
-{
- return sigc::bind (mem_fun (*(const_cast<MidiPlaylist*> (this)), &StateManager::use_state), _current_state_id);
-}
-
-
-XMLNode&
-MidiPlaylist::state (bool full_state)
-{
- XMLNode& node = Playlist::state (full_state);
-
- return node;
-}
-
void
MidiPlaylist::dump () const
{
- Region *r;
+ boost::shared_ptr<Region> r;
cerr << "Playlist \"" << _name << "\" " << endl
<< regions.size() << " regions "
}
bool
-MidiPlaylist::destroy_region (Region* region)
+MidiPlaylist::destroy_region (boost::shared_ptr<Region> region)
{
- MidiRegion* r = dynamic_cast<MidiRegion*> (region);
+ boost::shared_ptr<MidiRegion> r = boost::dynamic_pointer_cast<MidiRegion> (region);
bool changed = false;
if (r == 0) {
++tmp;
if ((*i) == region) {
- (*i)->unlock_sources ();
regions.erase (i);
changed = true;
}
}
}
- for (StateMap::iterator s = states.begin(); s != states.end(); ) {
- StateMap::iterator tmp;
-
- tmp = s;
- ++tmp;
-
- State* astate = dynamic_cast<State*> (*s);
-
- list<UndoAction>::iterator rsi, rsitmp;
- RegionList::iterator ri, ritmp;
-
- for (ri = astate->regions.begin(), rsi = astate->region_states.begin();
- ri != astate->regions.end() && rsi != astate->region_states.end();) {
-
-
- ritmp = ri;
- ++ritmp;
-
- rsitmp = rsi;
- ++rsitmp;
-
- if (region == (*ri)) {
- astate->regions.erase (ri);
- astate->region_states.erase (rsi);
- }
-
- ri = ritmp;
- rsi = rsitmp;
- }
-
- s = tmp;
- }
-
if (changed) {
/* overload this, it normally means "removed", not destroyed */
return changed;
}
-
-void
-MidiPlaylist::get_equivalent_regions (const MidiRegion& other, vector<MidiRegion*>& results)
-{
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
-
- MidiRegion* ar = dynamic_cast<MidiRegion*> (*i);
-
- if (ar) {
- if (Config->get_use_overlap_equivalency()) {
- if (ar->overlap_equivalent (other)) {
- results.push_back (ar);
- } else if (ar->equivalent (other)) {
- results.push_back (ar);
- }
- }
- }
- }
-}
-
-void
-MidiPlaylist::get_region_list_equivalent_regions (const MidiRegion& other, vector<MidiRegion*>& results)
-{
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
-
- MidiRegion* ar = dynamic_cast<MidiRegion*> (*i);
-
- if (ar && ar->region_list_equivalent (other)) {
- results.push_back (ar);
- }
- }
-}
-
bool
-MidiPlaylist::region_changed (Change what_changed, Region* region)
+MidiPlaylist::region_changed (Change what_changed, boost::shared_ptr<Region> region)
{
if (in_flush || in_set_state) {
return false;
}
+ // Feeling rather uninterested today, but thanks for the heads up anyway!
+
Change our_interests = Change (/*MidiRegion::FadeInChanged|
MidiRegion::FadeOutChanged|
MidiRegion::FadeInActiveChanged|
parent_wants_notify = Playlist::region_changed (what_changed, region);
- maybe_save_state (_("region modified"));
-
if ((parent_wants_notify || (what_changed & our_interests))) {
notify_modified ();
}
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