/*
- Copyright (C) 2000-2006 Paul Davis
+ Copyright (C) 2000-2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <set>
-#include <sigc++/bind.h>
-#include <sigc++/class_slot.h>
-
#include <glibmm/thread.h>
-#include <pbd/basename.h>
-#include <pbd/xml++.h>
+#include "pbd/basename.h"
+#include "pbd/xml++.h"
+#include "pbd/enumwriter.h"
-#include <ardour/midi_region.h>
-#include <ardour/session.h>
-#include <ardour/gain.h>
-#include <ardour/dB.h>
-#include <ardour/playlist.h>
-#include <ardour/midi_source.h>
-#include <ardour/types.h>
+#include "ardour/midi_region.h"
+#include "ardour/session.h"
+#include "ardour/gain.h"
+#include "ardour/dB.h"
+#include "ardour/playlist.h"
+#include "ardour/midi_source.h"
+#include "ardour/region_factory.h"
+#include "ardour/types.h"
+#include "ardour/midi_ring_buffer.h"
#include "i18n.h"
#include <locale.h>
using namespace std;
using namespace ARDOUR;
+using namespace PBD;
-/** Basic MidiRegion constructor (one channel) */
-MidiRegion::MidiRegion (MidiSource& src, jack_nframes_t start, jack_nframes_t length, bool announce)
- : Region (src, start, length, PBD::basename_nosuffix(src.name()), 0, Region::Flag(Region::DefaultFlags|Region::External))
-{
- save_state ("initial state");
-
- if (announce) {
- CheckNewRegion (this); /* EMIT SIGNAL */
- }
+namespace ARDOUR {
+ namespace Properties {
+ PBD::PropertyDescriptor<void*> midi_data;
+ PBD::PropertyDescriptor<Evoral::MusicalTime> length_beats;
+ }
}
-/* Basic MidiRegion constructor (one channel) */
-MidiRegion::MidiRegion (MidiSource& src, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t layer, Flag flags, bool announce)
- : Region (src, start, length, name, layer, flags)
+void
+MidiRegion::make_property_quarks ()
{
- save_state ("initial state");
+ Properties::midi_data.property_id = g_quark_from_static_string (X_("midi-data"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for midi-data = %1\n", Properties::midi_data.property_id));
+ Properties::length_beats.property_id = g_quark_from_static_string (X_("length-beats"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for length-beats = %1\n", Properties::length_beats.property_id));
+}
- if (announce) {
- CheckNewRegion (this); /* EMIT SIGNAL */
- }
+void
+MidiRegion::register_properties ()
+{
+ add_property (_length_beats);
}
/* Basic MidiRegion constructor (many channels) */
-MidiRegion::MidiRegion (SourceList& srcs, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t layer, Flag flags, bool announce)
- : Region (srcs, start, length, name, layer, flags)
+MidiRegion::MidiRegion (const SourceList& srcs)
+ : Region (srcs)
+ , _length_beats (Properties::length_beats, (Evoral::MusicalTime) 0)
{
- save_state ("initial state");
+ update_length_beats ();
+ register_properties ();
- if (announce) {
- CheckNewRegion (this); /* EMIT SIGNAL */
- }
+ midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this));
+ model_changed ();
+ assert(_name.val().find("/") == string::npos);
+ assert(_type == DataType::MIDI);
}
-
/** Create a new MidiRegion, that is part of an existing one */
-MidiRegion::MidiRegion (const MidiRegion& other, jack_nframes_t offset, jack_nframes_t length, const string& name, layer_t layer, Flag flags, bool announce)
- : Region (other, offset, length, name, layer, flags)
+MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, frameoffset_t offset, bool offset_relative)
+ : Region (other, offset, offset_relative)
+ , _length_beats (Properties::length_beats, (Evoral::MusicalTime) 0)
{
- save_state ("initial state");
+ update_length_beats ();
+ register_properties ();
- if (announce) {
- CheckNewRegion (this); /* EMIT SIGNAL */
- }
+ assert(_name.val().find("/") == string::npos);
+ midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this));
+ model_changed ();
}
-MidiRegion::MidiRegion (const MidiRegion &other)
- : Region (other)
+MidiRegion::~MidiRegion ()
{
- save_state ("initial state");
-
- /* NOTE: no CheckNewRegion signal emitted here. This is the copy constructor */
}
-MidiRegion::MidiRegion (MidiSource& src, const XMLNode& node)
- : Region (src, node)
+/** Create a new MidiRegion that has its own version of some/all of the Source used by another.
+ */
+boost::shared_ptr<MidiRegion>
+MidiRegion::clone ()
{
- if (set_state (node)) {
- throw failed_constructor();
- }
-
- save_state ("initial state");
+ BeatsFramesConverter bfc (_session.tempo_map(), _position);
+ Evoral::MusicalTime const bbegin = bfc.from (_start);
+ Evoral::MusicalTime const bend = bfc.from (_start + _length);
- CheckNewRegion (this); /* EMIT SIGNAL */
-}
+ boost::shared_ptr<MidiSource> ms = midi_source(0)->clone (bbegin, bend);
-MidiRegion::MidiRegion (SourceList& srcs, const XMLNode& node)
- : Region (srcs, node)
-{
- if (set_state (node)) {
- throw failed_constructor();
- }
+ PropertyList plist;
- save_state ("initial state");
+ plist.add (Properties::name, ms->name());
+ plist.add (Properties::whole_file, true);
+ plist.add (Properties::start, _start);
+ plist.add (Properties::length, _length);
+ plist.add (Properties::length_beats, _length_beats);
+ plist.add (Properties::layer, 0);
- CheckNewRegion (this); /* EMIT SIGNAL */
+ return boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (ms, plist, true));
}
-MidiRegion::~MidiRegion ()
+void
+MidiRegion::set_length_internal (framecnt_t len)
{
- GoingAway (this);
+ Region::set_length_internal (len);
+ update_length_beats ();
}
-StateManager::State*
-MidiRegion::state_factory (std::string why) const
-{
- RegionState* state = new RegionState (why);
-
- Region::store_state (*state);
-
- return state;
-}
-
-Change
-MidiRegion::restore_state (StateManager::State& sstate)
+void
+MidiRegion::update_length_beats ()
{
- RegionState* state = dynamic_cast<RegionState*> (&sstate);
- Change what_changed = Region::restore_and_return_flags (*state);
-
- if (_flags != Flag (state->_flags)) {
-
- //uint32_t old_flags = _flags;
-
- _flags = Flag (state->_flags);
- }
-
- what_changed = Change (what_changed);
-
- return what_changed;
+ cerr << name() << " Updating length beats, currently = " << _length_beats << " w/length = " << _length << endl;
+ BeatsFramesConverter converter (_session.tempo_map(), _position);
+ _length_beats = converter.from (_length);
+ cerr << "\tnew value: " << _length_beats << endl;
}
-UndoAction
-MidiRegion::get_memento() const
+void
+MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute)
{
- return sigc::bind (mem_fun (*(const_cast<MidiRegion *> (this)), &StateManager::use_state), _current_state_id);
+ Region::set_position_internal (pos, allow_bbt_recompute);
+ /* zero length regions don't exist - so if _length_beats is zero, this object
+ is under construction.
+ */
+ if (_length_beats) {
+ /* leave _length_beats alone, and change _length to reflect the state of things
+ at the new position (tempo map may dictate a different number of frames
+ */
+ BeatsFramesConverter converter (_session.tempo_map(), _position - _start);
+ Region::set_length_internal (converter.to (_length_beats));
+ }
}
-jack_nframes_t
-MidiRegion::read_at (RawMidi *out, RawMidi* mix_buf, jack_nframes_t position,
- jack_nframes_t cnt,
- uint32_t chan_n, jack_nframes_t read_frames, jack_nframes_t skip_frames) const
+framecnt_t
+MidiRegion::read_at (Evoral::EventSink<framepos_t>& out, framepos_t position, framecnt_t dur, uint32_t chan_n, NoteMode mode, MidiStateTracker* tracker) const
{
- return _read_at (_sources, out, position, cnt, chan_n, read_frames, skip_frames);
+ return _read_at (_sources, out, position, dur, chan_n, mode, tracker);
}
-jack_nframes_t
-MidiRegion::master_read_at (RawMidi *out, RawMidi* mix_buf, jack_nframes_t position,
- jack_nframes_t cnt, uint32_t chan_n) const
+framecnt_t
+MidiRegion::master_read_at (MidiRingBuffer<framepos_t>& out, framepos_t position, framecnt_t dur, uint32_t chan_n, NoteMode mode) const
{
- return _read_at (_master_sources, out, position, cnt, chan_n, 0, 0);
+ return _read_at (_master_sources, out, position, dur, chan_n, mode); /* no tracker */
}
-jack_nframes_t
-MidiRegion::_read_at (const SourceList& srcs, RawMidi *buf,
- jack_nframes_t position, jack_nframes_t cnt,
- uint32_t chan_n, jack_nframes_t read_frames, jack_nframes_t skip_frames) const
+framecnt_t
+MidiRegion::_read_at (const SourceList& /*srcs*/, Evoral::EventSink<framepos_t>& dst, framepos_t position, framecnt_t dur, uint32_t chan_n,
+ NoteMode mode, MidiStateTracker* tracker) const
{
- jack_nframes_t internal_offset;
- jack_nframes_t buf_offset;
- jack_nframes_t to_read;
-
+ frameoffset_t internal_offset = 0;
+ framecnt_t to_read = 0;
+
/* precondition: caller has verified that we cover the desired section */
assert(chan_n == 0);
-
+
+ if (muted()) {
+ return 0; /* read nothing */
+ }
+
if (position < _position) {
+ /* we are starting the read from before the start of the region */
internal_offset = 0;
- buf_offset = _position - position;
- cnt -= buf_offset;
+ dur -= _position - position;
} else {
+ /* we are starting the read from after the start of the region */
internal_offset = position - _position;
- buf_offset = 0;
}
if (internal_offset >= _length) {
return 0; /* read nothing */
}
-
-
- if ((to_read = min (cnt, _length - internal_offset)) == 0) {
- return 0; /* read nothing */
- }
-
- // FIXME: non-opaque MIDI regions not yet supported
- assert(opaque());
- if (muted()) {
+ if ((to_read = min (dur, _length - internal_offset)) == 0) {
return 0; /* read nothing */
}
_read_data_count = 0;
- MidiSource& src = midi_source(chan_n);
- if (src.read (buf, _start + internal_offset, to_read) != to_read) {
+ boost::shared_ptr<MidiSource> src = midi_source(chan_n);
+ src->set_note_mode(mode);
+
+ /*
+ cerr << "MR read @ " << position << " * " << to_read
+ << " _position = " << _position
+ << " _start = " << _start
+ << " intoffset = " << internal_offset
+ << endl;
+ */
+
+ /* This call reads events from a source and writes them to `dst' timed in session frames */
+
+ if (src->midi_read (
+ dst, // destination buffer
+ _position - _start, // start position of the source in session frames
+ _start + internal_offset, // where to start reading in the source
+ to_read, // read duration in frames
+ tracker,
+ _filtered_parameters
+ ) != to_read) {
return 0; /* "read nothing" */
}
- _read_data_count += src.read_data_count();
+ _read_data_count += src->read_data_count();
return to_read;
}
-
+
XMLNode&
-MidiRegion::state (bool full)
+MidiRegion::state ()
{
- XMLNode& node (Region::state (full));
- XMLNode *child;
- char buf[64];
- char buf2[64];
- LocaleGuard lg (X_("POSIX"));
-
- snprintf (buf, sizeof (buf), "0x%x", (int) _flags);
- node.add_property ("flags", buf);
-
- for (uint32_t n=0; n < _sources.size(); ++n) {
- snprintf (buf2, sizeof(buf2), "source-%d", n);
- _sources[n]->id().print (buf);
- node.add_property (buf2, buf);
- }
-
- snprintf (buf, sizeof (buf), "%u", (uint32_t) _sources.size());
- node.add_property ("channels", buf);
-
- child = node.add_child ("Envelope");
-
- if ( ! full) {
- child->add_property ("default", "yes");
- }
-
- if (full && _extra_xml) {
- node.add_child_copy (*_extra_xml);
- }
-
- return node;
+ return Region::state ();
}
int
-MidiRegion::set_state (const XMLNode& node)
+MidiRegion::set_state (const XMLNode& node, int version)
{
- const XMLNodeList& nlist = node.children();
- const XMLProperty *prop;
- LocaleGuard lg (X_("POSIX"));
-
- Region::set_state (node);
-
- if ((prop = node.property ("flags")) != 0) {
- _flags = Flag (strtol (prop->value().c_str(), (char **) 0, 16));
- }
+ int ret = Region::set_state (node, version);
- /* Now find child items */
- for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- XMLNode *child;
- //XMLProperty *prop;
-
- child = (*niter);
-
- /** Hello, children */
- }
+ if (ret == 0) {
+ update_length_beats ();
+ }
- return 0;
+ return ret;
}
void
MidiRegion::recompute_at_end ()
{
/* our length has changed
- * (non destructively) "chop" notes that pass the end boundary, to
- * prevent stuck notes.
+ * so what? stuck notes are dealt with via a note state tracker
*/
-}
+}
void
MidiRegion::recompute_at_start ()
}
int
-MidiRegion::separate_by_channel (Session& session, vector<MidiRegion*>& v) const
+MidiRegion::separate_by_channel (ARDOUR::Session&, vector< boost::shared_ptr<Region> >&) const
{
-#if 0
- SourceList srcs;
- string new_name;
+ // TODO
+ return -1;
+}
- for (SourceList::const_iterator i = _master_sources.begin(); i != _master_sources.end(); ++i) {
+int
+MidiRegion::exportme (ARDOUR::Session&, ARDOUR::ExportSpecification&)
+{
+ return -1;
+}
- srcs.clear ();
- srcs.push_back (*i);
+boost::shared_ptr<MidiSource>
+MidiRegion::midi_source (uint32_t n) const
+{
+ // Guaranteed to succeed (use a static cast?)
+ return boost::dynamic_pointer_cast<MidiSource>(source(n));
+}
- /* generate a new name */
-
- if (session.region_name (new_name, _name)) {
- return -1;
- }
+void
+MidiRegion::model_changed ()
+{
+ if (!model()) {
+ return;
+ }
+
+ /* build list of filtered Parameters, being those whose automation state is not `Play' */
- /* create a copy with just one source */
+ _filtered_parameters.clear ();
- v.push_back (new MidiRegion (srcs, _start, _length, new_name, _layer, _flags));
+ Automatable::Controls const & c = model()->controls();
+
+ for (Automatable::Controls::const_iterator i = c.begin(); i != c.end(); ++i) {
+ boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> (i->second);
+ assert (ac);
+ if (ac->alist()->automation_state() != Play) {
+ _filtered_parameters.insert (ac->parameter ());
+ }
}
-#endif
- return -1;
+
+ /* watch for changes to controls' AutoState */
+ midi_source()->AutomationStateChanged.connect_same_thread (
+ _model_connection, boost::bind (&MidiRegion::model_automation_state_changed, this, _1)
+ );
+
+ model()->ContentsChanged.connect_same_thread (
+ _model_contents_connection, boost::bind (&MidiRegion::model_contents_changed, this));
}
-MidiSource&
-MidiRegion::midi_source (uint32_t n) const
+void
+MidiRegion::model_contents_changed ()
{
- // Guaranteed to succeed (use a static cast?)
- return dynamic_cast<MidiSource&>(source(n));
+ send_change (PropertyChange (Properties::midi_data));
+}
+
+void
+MidiRegion::model_automation_state_changed (Evoral::Parameter const & p)
+{
+ /* Update our filtered parameters list after a change to a parameter's AutoState */
+
+ boost::shared_ptr<AutomationControl> ac = model()->automation_control (p);
+ assert (ac);
+
+ if (ac->alist()->automation_state() == Play) {
+ _filtered_parameters.erase (p);
+ } else {
+ _filtered_parameters.insert (p);
+ }
+
+ /* the source will have an iterator into the model, and that iterator will have been set up
+ for a given set of filtered_parameters, so now that we've changed that list we must invalidate
+ the iterator.
+ */
+ Glib::Mutex::Lock lm (midi_source(0)->mutex());
+ midi_source(0)->invalidate ();
}
+/** This is called when a trim drag has resulted in a -ve _start time for this region.
+ * Fix it up by adding some empty space to the source.
+ */
+void
+MidiRegion::fix_negative_start ()
+{
+ BeatsFramesConverter c (_session.tempo_map(), _position);
+
+ model()->insert_silence_at_start (c.from (-_start));
+ _start = 0;
+}
projects / ardour.git / blobdiff