rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
2025-12-15 02:56:35 +01:00 · 2008-06-02 21:41:35 +00:00 · 2008-06-02 21:41:35 +00:00 · 449aab3c46
commit 449aab3c46
parent 9c0d7d72d7
2869 changed files with 1026749 additions and 0 deletions
--- a/libs/ardour/midi_source.cc
+++ b/libs/ardour/midi_source.cc
@ -0,0 +1,206 @@
+/*
+    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);
+	}
+}
+