/*
- 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 <glibmm/thread.h>
-#include <pbd/basename.h>
-#include <pbd/xml++.h>
-#include <pbd/enumwriter.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_ring_buffer.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_ring_buffer.h"
#include "i18n.h"
#include <locale.h>
MidiRegion::MidiRegion (boost::shared_ptr<MidiSource> src, const XMLNode& node)
: Region (src, node)
{
- if (set_state (node)) {
+ if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor();
}
MidiRegion::MidiRegion (const SourceList& srcs, const XMLNode& node)
: Region (srcs, node)
{
- if (set_state (node)) {
+ if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor();
}
{
}
-nframes_t
-MidiRegion::read_at (MidiRingBuffer& out, nframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode) const
+void
+MidiRegion::set_position_internal (nframes_t pos, bool allow_bbt_recompute)
{
- return _read_at (_sources, out, position, dur, chan_n, mode);
+ BeatsFramesConverter old_converter(_session, _position - _start);
+ double length_beats = old_converter.from(_length);
+
+ Region::set_position_internal(pos, allow_bbt_recompute);
+
+ BeatsFramesConverter new_converter(_session, pos - _start);
+
+ set_length(new_converter.to(length_beats), 0);
}
nframes_t
-MidiRegion::master_read_at (MidiRingBuffer& out, nframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode) const
+MidiRegion::read_at (MidiRingBuffer<nframes_t>& out, sframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode, MidiStateTracker* tracker) const
{
- return _read_at (_master_sources, out, position, dur, chan_n, mode);
+ return _read_at (_sources, out, position, dur, chan_n, mode, tracker);
}
nframes_t
-MidiRegion::_read_at (const SourceList& srcs, MidiRingBuffer& dst, nframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode) const
+MidiRegion::master_read_at (MidiRingBuffer<nframes_t>& out, sframes_t position, nframes_t dur, uint32_t chan_n, NoteMode mode) const
{
- cerr << "reading from region " << _name << " position: " << _position << " start: " << _start << endl;
- cerr << _name << "._read_at(" << position << ") - " << position << " duration: " << dur << endl;
+ 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, sframes_t position, nframes_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;
-
+
/* precondition: caller has verified that we cover the desired section */
assert(chan_n == 0);
-
+
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 */
nframes_t output_buffer_position = 0;
nframes_t negative_output_buffer_position = 0;
- if(_position >= _start) {
+ 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;
}
-
+
+#if 0
+ cerr << "\t\tsource read from " << _position << " - " << _start << " (" << _position - _start << ") "
+ << " start in source " << _start << " + " << internal_offset << " (" << _start + internal_offset << ") "
+ << " dur = " << to_read
+ << " offset = " << output_buffer_position
+ << " negoffset = " << negative_output_buffer_position
+ << endl;
+#endif
+
if (src->midi_read (
- // the destination buffer
- dst,
- // where to start reading in the region
- _start + internal_offset,
- // how many bytes
- to_read,
- // the offset in the output buffer
- output_buffer_position,
- // what to substract from note times written in the output buffer
- negative_output_buffer_position
- ) != to_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
+ 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_live_state (const XMLNode& node, int version, Change& what_changed, bool send)
{
const XMLProperty *prop;
LocaleGuard lg (X_("POSIX"));
- Region::set_live_state (node, what_changed, false);
+ Region::set_live_state (node, version, what_changed, false);
uint32_t old_flags = _flags;
-
+
if ((prop = node.property ("flags")) != 0) {
_flags = Flag (string_2_enum (prop->value(), _flags));
}
int
-MidiRegion::set_state (const XMLNode& node)
+MidiRegion::set_state (const XMLNode& node, int version)
{
/* 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
* (non destructively) "chop" notes that pass the end boundary, to
* prevent stuck notes.
*/
-}
+}
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
{
- // Separate by MIDI channel? bit different from audio since this is separating based
- // on the actual contained data and destructively modifies and creates new sources..
-
-#if 0
- SourceList srcs;
- string new_name;
-
- for (SourceList::const_iterator i = _master_sources.begin(); i != _master_sources.end(); ++i) {
-
- srcs.clear ();
- srcs.push_back (*i);
-
- /* generate a new name */
-
- if (session.region_name (new_name, _name)) {
- return -1;
- }
-
- /* create a copy with just one source */
-
- v.push_back (new MidiRegion (srcs, _start, _length, new_name, _layer, _flags));
- }
-#endif
-
- // Actually, I would prefer not if that's alright
+ // TODO
return -1;
}
projects / ardour.git / blobdiff