/*
- 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 "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"
using namespace std;
using namespace ARDOUR;
-
-/** Basic MidiRegion constructor (one channel) */
-MidiRegion::MidiRegion (boost::shared_ptr<MidiSource> src, nframes_t start, nframes_t length)
- : Region (src, start, length, PBD::basename_nosuffix(src->name()), DataType::MIDI, 0, Region::Flag(Region::DefaultFlags|Region::External))
-{
- assert(_name.find("/") == string::npos);
- midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegion::switch_source));
-}
-
-/* Basic MidiRegion constructor (one channel) */
-MidiRegion::MidiRegion (boost::shared_ptr<MidiSource> src, nframes_t start, nframes_t length, const string& name, layer_t layer, Flag flags)
- : Region (src, start, length, name, DataType::MIDI, layer, flags)
-{
- assert(_name.find("/") == string::npos);
- midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegion::switch_source));
-}
+using namespace PBD;
/* Basic MidiRegion constructor (many channels) */
-MidiRegion::MidiRegion (const SourceList& srcs, nframes_t start, nframes_t length, const string& name, layer_t layer, Flag flags)
- : Region (srcs, start, length, name, DataType::MIDI, layer, flags)
+MidiRegion::MidiRegion (const SourceList& srcs)
+ : Region (srcs)
{
- assert(_name.find("/") == string::npos);
- midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegion::switch_source));
+ midi_source(0)->Switched.connect_same_thread (*this, boost::bind (&MidiRegion::switch_source, this, _1));
+ assert(_name.val().find("/") == string::npos);
+ assert(_type == DataType::MIDI);
}
-
/** Create a new MidiRegion, that is part of an existing one */
-MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, nframes_t offset, nframes_t length, const string& name, layer_t layer, Flag flags)
- : 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)
{
- assert(_name.find("/") == string::npos);
- midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegion::switch_source));
+ assert(_name.val().find("/") == string::npos);
+ midi_source(0)->Switched.connect_same_thread (*this, boost::bind (&MidiRegion::switch_source, this, _1));
}
-MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other)
- : Region (other)
+MidiRegion::~MidiRegion ()
{
- assert(_name.find("/") == string::npos);
- midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegion::switch_source));
}
-MidiRegion::MidiRegion (boost::shared_ptr<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();
- }
+ BeatsFramesConverter bfc (_session.tempo_map(), _position);
+ double bbegin = bfc.from (_position);
+ double bend = bfc.from (last_frame() + 1);
- midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegion::switch_source));
- assert(_name.find("/") == string::npos);
- assert(_type == DataType::MIDI);
-}
+ boost::shared_ptr<MidiSource> ms = midi_source(0)->clone (bbegin, bend);
-MidiRegion::MidiRegion (const SourceList& srcs, const XMLNode& node)
- : Region (srcs, node)
-{
- if (set_state (node)) {
- throw failed_constructor();
- }
+ PropertyList plist;
- midi_source(0)->Switched.connect(sigc::mem_fun(this, &MidiRegion::switch_source));
- assert(_name.find("/") == string::npos);
- assert(_type == DataType::MIDI);
-}
+ plist.add (Properties::name, ms->name());
+ plist.add (Properties::whole_file, true);
+ plist.add (Properties::start, 0);
+ plist.add (Properties::length, _length);
+ plist.add (Properties::layer, 0);
-MidiRegion::~MidiRegion ()
-{
+ return boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (ms, plist, true));
}
void
-MidiRegion::set_position_internal (nframes_t pos, bool allow_bbt_recompute)
+MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute)
{
- BeatsFramesConverter old_converter(_session, _position - _start);
+ BeatsFramesConverter old_converter(_session.tempo_map(), _position - _start);
double length_beats = old_converter.from(_length);
Region::set_position_internal(pos, allow_bbt_recompute);
-
- BeatsFramesConverter new_converter(_session, pos - _start);
+
+ BeatsFramesConverter new_converter(_session.tempo_map(), pos - _start);
set_length(new_converter.to(length_beats), 0);
}
-nframes_t
-MidiRegion::read_at (MidiRingBuffer<nframes_t>& out, sframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode) const
+framecnt_t
+MidiRegion::read_at (Evoral::EventSink<nframes_t>& out, framepos_t position, framecnt_t dur, uint32_t chan_n, NoteMode mode, MidiStateTracker* tracker) const
{
- return _read_at (_sources, out, position, dur, chan_n, mode);
+ return _read_at (_sources, out, position, dur, chan_n, mode, tracker);
}
-nframes_t
-MidiRegion::master_read_at (MidiRingBuffer<nframes_t>& out, sframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode) const
+framecnt_t
+MidiRegion::master_read_at (MidiRingBuffer<nframes_t>& out, framepos_t position, framecnt_t dur, uint32_t chan_n, NoteMode mode) const
{
- return _read_at (_master_sources, out, position, dur, chan_n, mode);
+ return _read_at (_master_sources, out, position, dur, chan_n, mode); /* no tracker */
}
-nframes_t
-MidiRegion::_read_at (const SourceList& /*srcs*/, MidiRingBuffer<nframes_t>& dst, nframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode) const
+framecnt_t
+MidiRegion::_read_at (const SourceList& /*srcs*/, Evoral::EventSink<nframes_t>& dst, framepos_t position, framecnt_t dur, uint32_t chan_n,
+ NoteMode mode, MidiStateTracker* tracker) const
{
- nframes_t internal_offset = 0;
- nframes_t src_offset = 0;
- nframes_t to_read = 0;
-
+ frameoffset_t internal_offset = 0;
+ frameoffset_t src_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) {
internal_offset = 0;
src_offset = _position - position;
if (internal_offset >= _length) {
return 0; /* read nothing */
}
-
- if ((to_read = min (dur, _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 */
}
boost::shared_ptr<MidiSource> src = midi_source(chan_n);
src->set_note_mode(mode);
- nframes_t output_buffer_position = 0;
- nframes_t negative_output_buffer_position = 0;
+ framepos_t output_buffer_position = 0;
+ framepos_t negative_output_buffer_position = 0;
if (_position >= _start) {
// handle resizing of beginnings of regions correctly
output_buffer_position = _position - _start;
} else {
// when _start is greater than _position, we have to subtract
// _start from the note times in the midi source
- negative_output_buffer_position = _start;
+ negative_output_buffer_position = _start;
}
-
+
+ /*cerr << "MR read @ " << position << " * " << to_read
+ << " _position = " << _position
+ << " _start = " << _start
+ << " offset = " << output_buffer_position
+ << " negoffset = " << negative_output_buffer_position
+ << " intoffset = " << internal_offset
+ << endl;*/
+
if (src->midi_read (
dst, // destination buffer
_position - _start, // start position of the source in this read context
_start + internal_offset, // where to start reading in the source
to_read, // read duration in frames
output_buffer_position, // the offset in the output buffer
- negative_output_buffer_position // amount to substract from note times
- ) != to_read) {
+ negative_output_buffer_position, // amount to substract from note times
+ tracker
+ ) != to_read) {
return 0; /* "read nothing" */
}
return to_read;
}
-
+
XMLNode&
MidiRegion::state (bool full)
{
char buf[64];
char buf2[64];
LocaleGuard lg (X_("POSIX"));
-
- node.add_property ("flags", enum_2_string (_flags));
// XXX these should move into Region
-
+
for (uint32_t n=0; n < _sources.size(); ++n) {
snprintf (buf2, sizeof(buf2), "source-%d", n);
_sources[n]->id().print (buf, sizeof(buf));
}
int
-MidiRegion::set_live_state (const XMLNode& node, Change& what_changed, bool send)
+MidiRegion::set_state (const XMLNode& node, int version)
{
- const XMLProperty *prop;
- LocaleGuard lg (X_("POSIX"));
-
- Region::set_live_state (node, what_changed, false);
-
- uint32_t old_flags = _flags;
-
- if ((prop = node.property ("flags")) != 0) {
- _flags = Flag (string_2_enum (prop->value(), _flags));
-
- //_flags = Flag (strtol (prop->value().c_str(), (char **) 0, 16));
-
- _flags = Flag (_flags & ~Region::LeftOfSplit);
- _flags = Flag (_flags & ~Region::RightOfSplit);
- }
-
- if ((old_flags ^ _flags) & Muted) {
- what_changed = Change (what_changed|MuteChanged);
- }
- if ((old_flags ^ _flags) & Opaque) {
- what_changed = Change (what_changed|OpacityChanged);
- }
- if ((old_flags ^ _flags) & Locked) {
- what_changed = Change (what_changed|LockChanged);
- }
-
- if (send) {
- send_change (what_changed);
- }
-
- return 0;
-}
-
-int
-MidiRegion::set_state (const XMLNode& node)
-{
- /* Region::set_state() calls the virtual set_live_state(),
- which will get us back to AudioRegion::set_live_state()
- to handle the relevant stuff.
- */
-
- return Region::set_state (node);
+ return Region::set_state (node, version);
}
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 ()
projects / ardour.git / blobdiff