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/*
Copyright (C) 2006 Paul Davis
Written by Dave Robillard, 2006
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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.
*/
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <poll.h>
#include <float.h>
#include <cerrno>
#include <ctime>
#include <cmath>
#include <iomanip>
#include <algorithm>
#include <pbd/xml++.h>
#include <pbd/pthread_utils.h>
#include <pbd/basename.h>
#include <ardour/midi_source.h>
#include <ardour/midi_ring_buffer.h>
#include <ardour/session.h>
#include <ardour/session_directory.h>
#include <ardour/source_factory.h>
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
sigc::signal<void,MidiSource *> MidiSource::MidiSourceCreated;
MidiSource::MidiSource (Session& s, string name)
: Source (s, name, DataType::MIDI)
, _timeline_position(0)
, _model(new MidiModel(this))
, _writing (false)
{
_read_data_count = 0;
_write_data_count = 0;
}
MidiSource::MidiSource (Session& s, const XMLNode& node)
: Source (s, node)
, _timeline_position(0)
, _model(new MidiModel(this))
, _writing (false)
{
_read_data_count = 0;
_write_data_count = 0;
if (set_state (node)) {
throw failed_constructor();
}
}
MidiSource::~MidiSource ()
{
}
XMLNode&
MidiSource::get_state ()
{
XMLNode& node (Source::get_state());
if (_captured_for.length()) {
node.add_property ("captured-for", _captured_for);
}
return node;
}
int
MidiSource::set_state (const XMLNode& node)
{
const XMLProperty* prop;
Source::set_state (node);
if ((prop = node.property ("captured-for")) != 0) {
_captured_for = prop->value();
}
return 0;
}
nframes_t
MidiSource::midi_read (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset, nframes_t negative_stamp_offset) const
{
Glib::Mutex::Lock lm (_lock);
if (_model) {
//const size_t n_events =
_model->read(dst, start, cnt, stamp_offset - negative_stamp_offset);
//cout << "Read " << n_events << " events from model." << endl;
return cnt;
} else {
return read_unlocked (dst, start, cnt, stamp_offset, negative_stamp_offset);
}
}
nframes_t
MidiSource::midi_write (MidiRingBuffer& dst, nframes_t cnt)
{
Glib::Mutex::Lock lm (_lock);
return write_unlocked (dst, cnt);
}
bool
MidiSource::file_changed (string path)
{
struct stat stat_file;
int e1 = stat (path.c_str(), &stat_file);
return ( !e1 );
}
void
MidiSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_frame)
{
set_timeline_position(start_frame); // why do I have a feeling this can break somehow...
if (_model) {
_model->set_note_mode(mode);
_model->start_write();
}
_writing = true;
}
void
MidiSource::mark_streaming_write_started ()
{
if (_model)
_model->start_write();
_writing = true;
}
void
MidiSource::mark_streaming_write_completed ()
{
if (_model)
_model->end_write(false); // FIXME: param?
_writing = false;
}
void
MidiSource::session_saved()
{
flush_header();
flush_footer();
if (_model && _model->edited()) {
string newname;
const string basename = PBD::basename_nosuffix(_name);
string::size_type last_dash = basename.find_last_of("-");
if (last_dash == string::npos || last_dash == basename.find_first_of("-")) {
newname = basename + "-1";
} else {
stringstream ss(basename.substr(last_dash+1));
unsigned write_count = 0;
ss >> write_count;
cerr << "WRITE COUNT: " << write_count << endl;
++write_count; // start at 1
ss.clear();
ss << basename.substr(0, last_dash) << "-" << write_count;
newname = ss.str();
}
string newpath = _session.session_directory().midi_path().to_string() +"/"+ newname + ".mid";
boost::shared_ptr<MidiSource> newsrc = boost::dynamic_pointer_cast<MidiSource>(
SourceFactory::createWritable(DataType::MIDI, _session, newpath, 1, 0, true));
newsrc->set_timeline_position(_timeline_position);
_model->write_to(newsrc);
// cyclic dependency here, ugly :(
newsrc->set_model(_model);
_model->set_midi_source(newsrc.get());
newsrc->flush_header();
newsrc->flush_footer();
Switched.emit(newsrc);
}
}
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