/*
- Copyright (C) 2006 Paul Davis
- Written by Dave Robillard, 2006
+ 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
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ $Id: midiregion.cc 746 2006-08-02 02:44:23Z drobilla $
*/
#include <cmath>
#include <set>
-#include <sigc++/bind.h>
-#include <sigc++/class_slot.h>
+#include <glibmm/threads.h>
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
-#include <glibmm/thread.h>
+#include "evoral/Beats.hpp"
-#include <pbd/basename.h>
-#include <pbd/xml++.h>
+#include "pbd/xml++.h"
+#include "pbd/basename.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/automation_control.h"
+#include "ardour/midi_model.h"
+#include "ardour/midi_region.h"
+#include "ardour/midi_ring_buffer.h"
+#include "ardour/midi_source.h"
+#include "ardour/region_factory.h"
+#include "ardour/session.h"
+#include "ardour/source_factory.h"
+#include "ardour/tempo.h"
+#include "ardour/types.h"
#include "i18n.h"
#include <locale.h>
using namespace std;
using namespace ARDOUR;
+using namespace PBD;
-MidiRegionState::MidiRegionState (string why)
- : RegionState (why)
-{
+namespace ARDOUR {
+ namespace Properties {
+ PBD::PropertyDescriptor<Evoral::Beats> start_beats;
+ PBD::PropertyDescriptor<Evoral::Beats> length_beats;
+ }
}
-MidiRegion::MidiRegion (MidiSource& src, jack_nframes_t start, jack_nframes_t length, bool announce)
- : Region (start, length, PBD::basename_nosuffix(src.name()), 0, Region::Flag(Region::DefaultFlags|Region::External))
+void
+MidiRegion::make_property_quarks ()
{
- /* basic MidiRegion constructor */
+ Properties::start_beats.property_id = g_quark_from_static_string (X_("start-beats"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for start-beats = %1\n", Properties::start_beats.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));
+}
- sources.push_back (&src);
- master_sources.push_back (&src);
- src.GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
+void
+MidiRegion::register_properties ()
+{
+ add_property (_start_beats);
+ add_property (_length_beats);
+}
- save_state ("initial state");
+/* Basic MidiRegion constructor (many channels) */
+MidiRegion::MidiRegion (const SourceList& srcs)
+ : Region (srcs)
+ , _start_beats (Properties::start_beats, Evoral::Beats())
+ , _length_beats (Properties::length_beats, midi_source(0)->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);
}
-MidiRegion::MidiRegion (MidiSource& src, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t layer, Flag flags, bool announce)
- : Region (start, length, name, layer, flags)
+MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other)
+ : Region (other)
+ , _start_beats (Properties::start_beats, other->_start_beats)
+ , _length_beats (Properties::length_beats, other->_length_beats)
{
- /* basic MidiRegion constructor */
+ //update_length_beats ();
+ register_properties ();
- sources.push_back (&src);
- master_sources.push_back (&src);
- src.GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
+ assert(_name.val().find("/") == string::npos);
+ midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this));
+ model_changed ();
+}
- save_state ("initial state");
+/** Create a new MidiRegion that is part of an existing one */
+MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, frameoffset_t offset, const int32_t sub_num)
+ : Region (other, offset, sub_num)
+ , _start_beats (Properties::start_beats, Evoral::Beats())
+ , _length_beats (Properties::length_beats, other->_length_beats)
+{
+ _start_beats = Evoral::Beats (_session.tempo_map().exact_beat_at_frame ((other->_position + offset), sub_num) - other->beat()) + other->_start_beats;
+ update_length_beats (sub_num);
+ 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 (SourceList& srcs, jack_nframes_t start, jack_nframes_t length, const string& name, layer_t layer, Flag flags, bool announce)
- : Region (start, length, name, layer, flags)
+MidiRegion::~MidiRegion ()
{
- /* basic MidiRegion constructor */
-#if 0
- for (SourceList::iterator i=srcs.begin(); i != srcs.end(); ++i) {
- sources.push_back (*i);
- master_sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
- }
+}
+/** Create a new MidiRegion that has its own version of some/all of the Source used by another.
+ */
+boost::shared_ptr<MidiRegion>
+MidiRegion::clone (string path) const
{
- /* create a new MidiRegion, that is part of an existing one */
-
- set<MidiSource*> unique_srcs;
-
- for (SourceList::const_iterator i= other.sources.begin(); i != other.sources.end(); ++i) {
- sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
- unique_srcs.insert (*i);
- }
-
- for (SourceList::const_iterator i = other.master_sources.begin(); i != other.master_sources.end(); ++i) {
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
- }
- master_sources.push_back (*i);
- }
-
- save_state ("initial state");
-
- if (announce) {
- CheckNewRegion (this); /* EMIT SIGNAL */
- }
-#endif
+ boost::shared_ptr<MidiSource> newsrc;
+
+ /* caller must check for pre-existing file */
+ assert (!path.empty());
+ assert (!Glib::file_test (path, Glib::FILE_TEST_EXISTS));
+ newsrc = boost::dynamic_pointer_cast<MidiSource>(
+ SourceFactory::createWritable(DataType::MIDI, _session,
+ path, false, _session.frame_rate()));
+ return clone (newsrc);
}
-MidiRegion::MidiRegion (const MidiRegion &other)
- : Region (other)
+boost::shared_ptr<MidiRegion>
+MidiRegion::clone (boost::shared_ptr<MidiSource> newsrc) const
{
- /* Pure copy constructor */
-
- set<MidiSource*> unique_srcs;
-
- for (SourceList::const_iterator i = other.sources.begin(); i != other.sources.end(); ++i) {
- sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
- unique_srcs.insert (*i);
- }
-
- for (SourceList::const_iterator i = other.master_sources.begin(); i != other.master_sources.end(); ++i) {
- master_sources.push_back (*i);
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
+ BeatsFramesConverter bfc (_session.tempo_map(), _position);
+ Evoral::Beats const bbegin = bfc.from (_start);
+ Evoral::Beats const bend = bfc.from (_start + _length);
+
+ {
+ /* Lock our source since we'll be reading from it. write_to() will
+ take a lock on newsrc. */
+ Source::Lock lm (midi_source(0)->mutex());
+ if (midi_source(0)->write_to (lm, newsrc, bbegin, bend)) {
+ return boost::shared_ptr<MidiRegion> ();
}
}
- save_state ("initial state");
+ PropertyList plist;
- /* NOTE: no CheckNewRegion signal emitted here. This is the copy constructor */
-}
-
-MidiRegion::MidiRegion (MidiSource& src, const XMLNode& node)
- : Region (node)
-{
- sources.push_back (&src);
- master_sources.push_back (&src);
- src.GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
-
- if (set_state (node)) {
- throw failed_constructor();
- }
+ plist.add (Properties::name, PBD::basename_nosuffix (newsrc->name()));
+ plist.add (Properties::whole_file, true);
+ plist.add (Properties::start, _start);
+ plist.add (Properties::start_beats, _start_beats);
+ plist.add (Properties::length, _length);
+ plist.add (Properties::length_beats, _length_beats);
+ plist.add (Properties::layer, 0);
- save_state ("initial state");
+ boost::shared_ptr<MidiRegion> ret (boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (newsrc, plist, true)));
+ ret->set_beat (beat());
- CheckNewRegion (this); /* EMIT SIGNAL */
+ return ret;
}
-MidiRegion::MidiRegion (SourceList& srcs, const XMLNode& node)
- : Region (node)
+void
+MidiRegion::post_set (const PropertyChange& pc)
{
- /* basic MidiRegion constructor */
-
- set<MidiSource*> unique_srcs;
+ Region::post_set (pc);
- for (SourceList::iterator i=srcs.begin(); i != srcs.end(); ++i) {
- sources.push_back (*i);
- (*i)->GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
- unique_srcs.insert (*i);
+ if (pc.contains (Properties::length) && !pc.contains (Properties::length_beats)) {
+ /* update non-musically */
+ update_length_beats (0);
+ } else if (pc.contains (Properties::start) && !pc.contains (Properties::start_beats)) {
+ set_start_beats_from_start_frames ();
}
-
- for (SourceList::iterator i = srcs.begin(); i != srcs.end(); ++i) {
- master_sources.push_back (*i);
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->GoingAway.connect (mem_fun (*this, &MidiRegion::source_deleted));
- }
- }
-
- if (set_state (node)) {
- throw failed_constructor();
- }
-
- save_state ("initial state");
-
- CheckNewRegion (this); /* EMIT SIGNAL */
}
-MidiRegion::~MidiRegion ()
+void
+MidiRegion::set_start_beats_from_start_frames ()
{
- GoingAway (this);
+ _start_beats = Evoral::Beats (beat() - _session.tempo_map().beat_at_frame (_position - _start));
}
-StateManager::State*
-MidiRegion::state_factory (std::string why) const
+void
+MidiRegion::set_length_internal (framecnt_t len, const int32_t sub_num)
{
- MidiRegionState* state = new MidiRegionState (why);
-
- Region::store_state (*state);
-
- return state;
-}
+ Region::set_length_internal (len, sub_num);
+ update_length_beats (sub_num);
+}
-Change
-MidiRegion::restore_state (StateManager::State& sstate)
+void
+MidiRegion::update_after_tempo_map_change (bool /* send */)
{
- MidiRegionState* state = dynamic_cast<MidiRegionState*> (&sstate);
+ boost::shared_ptr<Playlist> pl (playlist());
- Change what_changed = Region::restore_and_return_flags (*state);
-
- if (_flags != Flag (state->_flags)) {
-
- //uint32_t old_flags = _flags;
-
- _flags = Flag (state->_flags);
-
+ if (!pl || position_lock_style() != MusicTime) {
+ return;
}
-
- /* XXX need a way to test stored state versus current for envelopes */
- what_changed = Change (what_changed);
+ const framepos_t old_pos = _position;
+ const framepos_t old_length = _length;
+ const framepos_t old_start = _start;
- return what_changed;
-}
+ Region::update_after_tempo_map_change (false);
-UndoAction
-MidiRegion::get_memento() const
-{
- return sigc::bind (mem_fun (*(const_cast<MidiRegion *> (this)), &StateManager::use_state), _current_state_id);
-}
+ /* _start has now been updated. */
+ _length = _session.tempo_map().frame_at_beat (beat() + _length_beats.val().to_double()) - _position;
-bool
-MidiRegion::verify_length (jack_nframes_t len)
-{
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (_start > sources[n]->length() - len) {
- return false;
- }
+ PropertyChange s_and_l;
+ if (old_start != _start) {
+ s_and_l.add (Properties::start);
}
- return true;
-}
-
-bool
-MidiRegion::verify_start_and_length (jack_nframes_t new_start, jack_nframes_t new_length)
-{
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (new_length > sources[n]->length() - new_start) {
- return false;
- }
+ if (old_length != _length) {
+ s_and_l.add (Properties::length);
+ }
+ if (old_pos != _position) {
+ s_and_l.add (Properties::position);
}
- return true;
+
+ send_change (s_and_l);
}
-bool
-MidiRegion::verify_start (jack_nframes_t pos)
+
+void
+MidiRegion::update_length_beats (const int32_t sub_num)
{
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (pos > sources[n]->length() - _length) {
- return false;
- }
- }
- return true;
+ _length_beats = Evoral::Beats (_session.tempo_map().exact_beat_at_frame (_position + _length, sub_num) - beat());
}
-bool
-MidiRegion::verify_start_mutable (jack_nframes_t& new_start)
+void
+MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute, const int32_t sub_num)
{
- for (uint32_t n=0; n < sources.size(); ++n) {
- if (new_start > sources[n]->length() - _length) {
- new_start = sources[n]->length() - _length;
- }
+ Region::set_position_internal (pos, allow_bbt_recompute, sub_num);
+
+ /* set _start to new position in tempo map */
+ _start = _position - _session.tempo_map().frame_at_beat (beat() - _start_beats.val().to_double());
+
+ /* in construction from src */
+ if (_length_beats == Evoral::Beats()) {
+ update_length_beats (sub_num);
}
- return true;
+
+ /* 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).
+ */
+ Region::set_length_internal (_session.tempo_map().frame_at_beat (beat() + _length_beats.val().to_double()) - _position, sub_num);
}
-jack_nframes_t
-MidiRegion::read_at (unsigned char *buf, unsigned char *mixdown_buffer, char * workbuf, 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,
+ MidiChannelFilter* filter) const
{
- return _read_at (sources, buf, mixdown_buffer, workbuf, position, cnt, chan_n, read_frames, skip_frames);
+ return _read_at (_sources, out, position, dur, chan_n, mode, tracker, filter);
}
-jack_nframes_t
-MidiRegion::master_read_at (unsigned char *buf, unsigned char *mixdown_buffer, char * workbuf, 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, buf, mixdown_buffer, workbuf, 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, unsigned char *buf, unsigned char *mixdown_buffer, char * workbuf,
- 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,
+ MidiChannelFilter* filter) 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 */
- if (chan_n >= sources.size()) {
+ 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) {
+ if ((to_read = min (dur, _length - internal_offset)) == 0) {
return 0; /* read nothing */
}
- if (opaque()) {
- /* overwrite whatever is there */
- mixdown_buffer = buf + buf_offset;
- } else {
- mixdown_buffer += buf_offset;
- }
+ boost::shared_ptr<MidiSource> src = midi_source(chan_n);
- if (muted()) {
- return 0; /* read nothing */
- }
-
- _read_data_count = 0;
-
- if (srcs[chan_n]->read (mixdown_buffer, _start + internal_offset, to_read, workbuf) != to_read) {
- return 0; /* "read nothing" */
- }
+ Glib::Threads::Mutex::Lock lm(src->mutex());
- _read_data_count += srcs[chan_n]->read_data_count();
+ src->set_note_mode(lm, mode);
- if (!opaque()) {
+ /*
+ cerr << "MR " << name () << " read @ " << position << " * " << to_read
+ << " _position = " << _position
+ << " _start = " << _start
+ << " intoffset = " << internal_offset
+ << endl;
+ */
- /* gack. the things we do for users.
- */
+ /* This call reads events from a source and writes them to `dst' timed in session frames */
- buf += buf_offset;
+ if (src->midi_read (
+ lm, // source lock
+ 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,
+ filter,
+ _filtered_parameters,
+ beat(),
+ _start_beats.val().to_double()
+ ) != to_read) {
+ return 0; /* "read nothing" */
+ }
- for (jack_nframes_t n = 0; n < to_read; ++n) {
- buf[n] += mixdown_buffer[n];
- }
- }
-
return to_read;
}
-
-XMLNode&
-MidiRegion::get_state ()
-{
- return state (true);
-}
XMLNode&
-MidiRegion::state (bool full)
-{
- XMLNode& node (Region::state (full));
-#if 0
-//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);
- snprintf (buf, sizeof(buf), "%" PRIu64, sources[n]->id());
- node.add_property (buf2, buf);
- }
-
- snprintf (buf, sizeof (buf), "%u", (uint32_t) sources.size());
- node.add_property ("channels", buf);
-
- if (full && _extra_xml) {
- node.add_child_copy (*_extra_xml);
- }
-#endif
- return node;
+MidiRegion::state ()
+{
+ 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);
+ int ret = Region::set_state (node, version);
- if ((prop = node.property ("flags")) != 0) {
- _flags = Flag (strtol (prop->value().c_str(), (char **) 0, 16));
-
- _flags = Flag (_flags & ~Region::LeftOfSplit);
- _flags = Flag (_flags & ~Region::RightOfSplit);
- }
-
- /* Now find envelope description and other misc child items */
-
- for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- XMLNode *child;
- //XMLProperty *prop;
-
- child = (*niter);
+ if (ret == 0) {
+ /* set length beats to the frame (non-musical) */
+ if (position_lock_style() == AudioTime) {
+ update_length_beats (0);
+ }
}
- return 0;
+ return ret;
}
-int
-MidiRegion::separate_by_channel (Session& session, vector<MidiRegion*>& v) const
+void
+MidiRegion::recompute_at_end ()
{
- SourceList srcs;
- string new_name;
+ /* our length has changed
+ * so what? stuck notes are dealt with via a note state tracker
+ */
+}
- for (SourceList::const_iterator i = master_sources.begin(); i != master_sources.end(); ++i) {
+void
+MidiRegion::recompute_at_start ()
+{
+ /* as above, but the shift was from the front
+ * maybe bump currently active note's note-ons up so they sound here?
+ * that could be undesireable in certain situations though.. maybe
+ * remove the note entirely, including it's note off? something needs to
+ * be done to keep the played MIDI sane to avoid messing up voices of
+ * polyhonic things etc........
+ */
+}
- srcs.clear ();
- srcs.push_back (*i);
+int
+MidiRegion::separate_by_channel (ARDOUR::Session&, vector< boost::shared_ptr<Region> >&) const
+{
+ // TODO
+ return -1;
+}
- /* generate a new name */
-
- if (session.region_name (new_name, _name)) {
- return -1;
- }
+boost::shared_ptr<Evoral::Control>
+MidiRegion::control (const Evoral::Parameter& id, bool create)
+{
+ return model()->control(id, create);
+}
- /* create a copy with just one source */
+boost::shared_ptr<const Evoral::Control>
+MidiRegion::control (const Evoral::Parameter& id) const
+{
+ return model()->control(id);
+}
- v.push_back (new MidiRegion (srcs, _start, _length, new_name, _layer, _flags));
- }
+boost::shared_ptr<MidiModel>
+MidiRegion::model()
+{
+ return midi_source()->model();
+}
- return 0;
+boost::shared_ptr<const MidiModel>
+MidiRegion::model() const
+{
+ return midi_source()->model();
}
-void
-MidiRegion::source_deleted (Source* ignored)
+boost::shared_ptr<MidiSource>
+MidiRegion::midi_source (uint32_t n) const
{
- delete this;
+ // Guaranteed to succeed (use a static cast?)
+ return boost::dynamic_pointer_cast<MidiSource>(source(n));
}
void
-MidiRegion::lock_sources ()
+MidiRegion::model_changed ()
{
- SourceList::iterator i;
- set<MidiSource*> unique_srcs;
-
- for (i = sources.begin(); i != sources.end(); ++i) {
- unique_srcs.insert (*i);
- (*i)->use ();
+ if (!model()) {
+ return;
}
- for (i = master_sources.begin(); i != master_sources.end(); ++i) {
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->use ();
+ /* build list of filtered Parameters, being those whose automation state is not `Play' */
+
+ _filtered_parameters.clear ();
+
+ 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 ());
}
}
+
+ /* watch for changes to controls' AutoState */
+ midi_source()->AutomationStateChanged.connect_same_thread (
+ _model_connection, boost::bind (&MidiRegion::model_automation_state_changed, this, _1)
+ );
}
void
-MidiRegion::unlock_sources ()
+MidiRegion::model_automation_state_changed (Evoral::Parameter const & p)
{
- SourceList::iterator i;
- set<MidiSource*> unique_srcs;
+ /* Update our filtered parameters list after a change to a parameter's AutoState */
- for (i = sources.begin(); i != sources.end(); ++i) {
- unique_srcs.insert (*i);
- (*i)->release ();
+ boost::shared_ptr<AutomationControl> ac = model()->automation_control (p);
+ if (!ac || ac->alist()->automation_state() == Play) {
+ /* It should be "impossible" for ac to be NULL, but if it is, don't
+ filter the parameter so events aren't lost. */
+ _filtered_parameters.erase (p);
+ } else {
+ _filtered_parameters.insert (p);
}
- for (i = master_sources.begin(); i != master_sources.end(); ++i) {
- if (unique_srcs.find (*i) == unique_srcs.end()) {
- (*i)->release ();
- }
+ /* 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::Threads::Mutex::Lock lm (midi_source(0)->mutex(), Glib::Threads::TRY_LOCK);
+ if (lm.locked()) {
+ /* TODO: This is too aggressive, we need more fine-grained invalidation. */
+ midi_source(0)->invalidate (lm);
}
}
-vector<string>
-MidiRegion::master_source_names ()
+/** 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 ()
{
- SourceList::iterator i;
+ BeatsFramesConverter c (_session.tempo_map(), _position);
- vector<string> names;
- for (i = master_sources.begin(); i != master_sources.end(); ++i) {
- names.push_back((*i)->name());
- }
-
- return names;
+ model()->insert_silence_at_start (c.from (-_start));
+ _start = 0;
+ _start_beats = Evoral::Beats();
}
-bool
-MidiRegion::source_equivalent (const Region& o) const
+void
+MidiRegion::set_start_internal (framecnt_t s, const int32_t sub_num)
{
- const MidiRegion* other = dynamic_cast<const MidiRegion*>(&o);
- if (!other)
- return false;
+ Region::set_start_internal (s, sub_num);
- SourceList::const_iterator i;
- SourceList::const_iterator io;
-
- for (i = sources.begin(), io = other->sources.begin(); i != sources.end() && io != other->sources.end(); ++i, ++io) {
- if ((*i)->id() != (*io)->id()) {
- return false;
+ if (position_lock_style() == AudioTime) {
+ set_start_beats_from_start_frames ();
}
- }
+}
- for (i = master_sources.begin(), io = other->master_sources.begin(); i != master_sources.end() && io != other->master_sources.end(); ++i, ++io) {
- if ((*i)->id() != (*io)->id()) {
- return false;
- }
+void
+MidiRegion::trim_to_internal (framepos_t position, framecnt_t length, const int32_t sub_num)
+{
+ framepos_t new_start;
+
+ if (locked()) {
+ return;
}
- return true;
-}
+ PropertyChange what_changed;
-#if 0
-int
-MidiRegion::exportme (Session& session, AudioExportSpecification& spec)
-{
- const jack_nframes_t blocksize = 4096;
- jack_nframes_t to_read;
- int status = -1;
+ /* beat has been set exactly by set_position_internal, but the source starts on a frame.
+ working in beats seems the correct thing to do, but reports of a missing first note
+ on playback suggest otherwise. for now, we work in exact beats.
+ */
+ const double pos_beat = _session.tempo_map().exact_beat_at_frame (position, sub_num);
+ const double beat_delta = pos_beat - beat();
- spec.channels = sources.size();
+ /* Set position before length, otherwise for MIDI regions this bad thing happens:
+ * 1. we call set_length_internal; length in beats is computed using the region's current
+ * (soon-to-be old) position
+ * 2. we call set_position_internal; position is set and length in frames re-computed using
+ * length in beats from (1) but at the new position, which is wrong if the region
+ * straddles a tempo/meter change.
+ */
- if (spec.prepare (blocksize, session.frame_rate())) {
- goto out;
+ if (_position != position) {
+ set_position_internal (position, true, sub_num);
+ what_changed.add (Properties::position);
}
- spec.pos = 0;
- spec.total_frames = _length;
-
- while (spec.pos < _length && !spec.stop) {
-
-
- /* step 1: interleave */
-
- to_read = min (_length - spec.pos, blocksize);
-
- if (spec.channels == 1) {
-
- if (sources.front()->read (spec.dataF, _start + spec.pos, to_read, 0) != to_read) {
- goto out;
- }
-
- } else {
-
- Sample buf[blocksize];
-
- for (uint32_t chan = 0; chan < spec.channels; ++chan) {
-
- if (sources[chan]->read (buf, _start + spec.pos, to_read, 0) != to_read) {
- goto out;
- }
-
- for (jack_nframes_t x = 0; x < to_read; ++x) {
- spec.dataF[chan+(x*spec.channels)] = buf[x];
- }
- }
- }
-
- if (spec.process (to_read)) {
- goto out;
- }
-
- spec.pos += to_read;
- spec.progress = (double) spec.pos /_length;
-
+ const double new_start_beat = _start_beats.val().to_double() + beat_delta;
+ new_start = _position - _session.tempo_map().frame_at_beat (beat() - new_start_beat);
+
+ if (!verify_start_and_length (new_start, length)) {
+ return;
}
-
- status = 0;
- out:
- spec.running = false;
- spec.status = status;
- spec.clear();
-
- return status;
-}
-#endif
+ if (_start != new_start) {
+ _start_beats = Evoral::Beats (new_start_beat);
+ what_changed.add (Properties::start_beats);
-Region*
-MidiRegion::get_parent()
-{
-#if 0
- Region* r = 0;
+ set_start_internal (new_start, sub_num);
+ what_changed.add (Properties::start);
+ }
- if (_playlist) {
- r = _playlist->session().find_whole_file_parent (*this);
+ if (_length != length) {
+ set_length_internal (length, sub_num);
+ what_changed.add (Properties::length);
+ what_changed.add (Properties::length_beats);
}
-
- return r;
-#endif
- return NULL;
-}
+ set_whole_file (false);
-bool
-MidiRegion::speed_mismatch (float sr) const
-{
-#if 0
- if (sources.empty()) {
- /* impossible, but ... */
- return false;
- }
+ PropertyChange start_and_length;
- float fsr = sources.front()->sample_rate();
+ start_and_length.add (Properties::start);
+ start_and_length.add (Properties::length);
- return fsr == sr;
-#endif
- return false;
-}
+ if (what_changed.contains (start_and_length)) {
+ first_edit ();
+ }
+ if (!what_changed.empty()) {
+ send_change (what_changed);
+ }
+}