2 Copyright (C) 2006 Paul Davis
3 Written by Dave Robillard, 2006
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #include "pbd/xml++.h"
32 #include "pbd/pthread_utils.h"
33 #include "pbd/basename.h"
35 #include "ardour/audioengine.h"
36 #include "ardour/midi_model.h"
37 #include "ardour/midi_ring_buffer.h"
38 #include "ardour/midi_source.h"
39 #include "ardour/session.h"
40 #include "ardour/session_directory.h"
41 #include "ardour/source_factory.h"
42 #include "ardour/tempo.h"
47 using namespace ARDOUR;
50 sigc::signal<void,MidiSource *> MidiSource::MidiSourceCreated;
52 MidiSource::MidiSource (Session& s, string name, Source::Flag flags)
53 : Source (s, DataType::MIDI, name, flags)
55 , _write_data_count(0)
63 MidiSource::MidiSource (Session& s, const XMLNode& node)
66 , _write_data_count(0)
73 _write_data_count = 0;
75 if (set_state (node)) {
76 throw failed_constructor();
80 MidiSource::~MidiSource ()
85 MidiSource::get_state ()
87 XMLNode& node (Source::get_state());
89 if (_captured_for.length()) {
90 node.add_property ("captured-for", _captured_for);
97 MidiSource::set_state (const XMLNode& node)
99 const XMLProperty* prop;
101 if ((prop = node.property ("captured-for")) != 0) {
102 _captured_for = prop->value();
109 MidiSource::length (sframes_t pos) const
111 BeatsFramesConverter converter(_session, pos);
112 return converter.to(_length_beats);
116 MidiSource::update_length (sframes_t pos, sframes_t cnt)
118 // You're not the boss of me!
122 MidiSource::invalidate ()
124 _model_iter.invalidate();
128 MidiSource::midi_read (MidiRingBuffer<nframes_t>& dst, sframes_t source_start,
129 sframes_t start, nframes_t cnt,
130 sframes_t stamp_offset, sframes_t negative_stamp_offset) const
132 Glib::Mutex::Lock lm (_lock);
134 BeatsFramesConverter converter(_session, source_start);
137 #define BEATS_TO_FRAMES(t) (converter.to(t) + stamp_offset - negative_stamp_offset)
139 Evoral::Sequence<double>::const_iterator& i = _model_iter;
141 if (_last_read_end == 0 || start != _last_read_end) { // || !i.valid()) {
142 //cerr << "MidiSource seeking to " << start << " from " << _last_read_end << endl;
143 for (i = _model->begin(); i != _model->end(); ++i) {
144 if (BEATS_TO_FRAMES(i->time()) >= start) {
150 _last_read_end = start + cnt;
152 for (; i != _model->end(); ++i) {
153 const sframes_t time_frames = BEATS_TO_FRAMES(i->time());
154 if (time_frames < source_start + start + cnt) {
155 dst.write(time_frames, i->event_type(), i->size(), i->buffer());
162 return read_unlocked (dst, source_start, start, cnt, stamp_offset, negative_stamp_offset);
167 MidiSource::midi_write (MidiRingBuffer<nframes_t>& source, sframes_t source_start, nframes_t duration)
169 Glib::Mutex::Lock lm (_lock);
170 const nframes_t ret = write_unlocked (source, source_start, duration);
171 _last_write_end += duration;
176 MidiSource::file_changed (string path)
178 struct stat stat_file;
180 int e1 = stat (path.c_str(), &stat_file);
186 MidiSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_frame)
188 set_timeline_position(start_frame);
191 _model->set_note_mode(mode);
192 _model->start_write();
195 _last_write_end = start_frame;
200 MidiSource::mark_streaming_write_started ()
202 sframes_t start_frame = _session.transport_frame();
205 _model->start_write();
208 _last_write_end = start_frame;
213 MidiSource::mark_streaming_write_completed ()
216 _model->end_write(false);
223 MidiSource::session_saved()
227 if (_model && _model->edited()) {
229 const string basename = PBD::basename_nosuffix(_name);
230 string::size_type last_dash = basename.find_last_of("-");
231 if (last_dash == string::npos || last_dash == basename.find_first_of("-")) {
232 newname = basename + "-1";
234 stringstream ss(basename.substr(last_dash+1));
235 unsigned write_count = 0;
237 cerr << "WRITE COUNT: " << write_count << endl;
238 ++write_count; // start at 1
240 ss << basename.substr(0, last_dash) << "-" << write_count;
244 string newpath = _session.session_directory().midi_path().to_string() +"/"+ newname + ".mid";
246 boost::shared_ptr<MidiSource> newsrc = boost::dynamic_pointer_cast<MidiSource>(
247 SourceFactory::createWritable(DataType::MIDI, _session,
248 newpath, true, false, _session.frame_rate()));
250 newsrc->set_timeline_position(_timeline_position);
251 _model->write_to(newsrc);
253 // cyclic dependency here, ugly :(
254 newsrc->set_model(_model);
255 _model->set_midi_source(newsrc.get());
257 newsrc->flush_midi();
259 Switched.emit(newsrc);
264 MidiSource::set_note_mode(NoteMode mode)
267 _model->set_note_mode(mode);