remove empty sigc++2 directory

git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 0 insertions, 971 deletions

diff --git a/libs/ardour/smf_source.cc b/libs/ardour/smf_source.cc
deleted file mode 100644
index bb43d4791a..0000000000
--- a/libs/ardour/smf_source.cc
+++ /dev/null
@@ -1,971 +0,0 @@
-/*
-    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 <vector>
-
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include <pbd/mountpoint.h>
-#include <pbd/pathscanner.h>
-#include <pbd/stl_delete.h>
-#include <pbd/strsplit.h>
-
-#include <glibmm/miscutils.h>
-
-#include <ardour/smf_source.h>
-#include <ardour/session.h>
-#include <ardour/midi_ring_buffer.h>
-#include <ardour/midi_util.h>
-#include <ardour/tempo.h>
-#include <ardour/audioengine.h>
-#include <ardour/smf_reader.h>
-
-#include "i18n.h"
-
-using namespace ARDOUR;
-
-string SMFSource::_search_path;
-
-/*sigc::signal<void,struct tm*, time_t> SMFSource::HeaderPositionOffsetChanged;
-bool                                  SMFSource::header_position_negative;
-uint64_t                              SMFSource::header_position_offset;
-*/
-
-SMFSource::SMFSource (Session& s, std::string path, Flag flags)
-	: MidiSource (s, region_name_from_path(path, false))
-	, _flags (Flag(flags | Writable)) // FIXME: this needs to be writable for now
-	, _allow_remove_if_empty(true)
-	, _fd (0)
-	, _last_ev_time(0)
-	, _track_size(4) // 4 bytes for the ever-present EOT event
-	, _header_size(22)
-	, _empty(true)
-{
-	/* constructor used for new internal-to-session files. file cannot exist */
-
-	if (init (path, false)) {
-		throw failed_constructor ();
-	}
-	
-	if (open()) {
-		throw failed_constructor ();
-	}
-
-	assert(_name.find("/") == string::npos);
-}
-
-SMFSource::SMFSource (Session& s, const XMLNode& node)
-	: MidiSource (s, node)
-	, _flags (Flag (Writable|CanRename))
-	, _allow_remove_if_empty(true)
-	, _fd (0)
-	, _last_ev_time(0)
-	, _track_size(4) // 4 bytes for the ever-present EOT event
-	, _header_size(22)
-	, _empty(true)
-{
-	/* constructor used for existing internal-to-session files. file must exist */
-
-	if (set_state (node)) {
-		throw failed_constructor ();
-	}
-	
-	if (init (_name, true)) {
-		throw failed_constructor ();
-	}
-	
-	if (open()) {
-		throw failed_constructor ();
-	}
-	
-	assert(_name.find("/") == string::npos);
-}
-
-SMFSource::~SMFSource ()
-{
-	if (removable()) {
-		unlink (_path.c_str());
-	}
-}
-
-bool
-SMFSource::removable () const
-{
-	return (_flags & Removable) && ((_flags & RemoveAtDestroy) || 
-				      ((_flags & RemovableIfEmpty) && is_empty()));
-}
-
-int
-SMFSource::init (string pathstr, bool must_exist)
-{
-	bool is_new = false;
-
-	if (!find (pathstr, must_exist, is_new)) {
-		cerr << "cannot find " << pathstr << " with me = " << must_exist << endl;
-		return -1;
-	}
-
-	if (is_new && must_exist) {
-		return -1;
-	}
-
-	assert(_name.find("/") == string::npos);
-	return 0;
-}
-
-/** Attempt to open the SMF file for reading and writing.
- *
- * Currently SMFSource is always read/write.
- *
- * \return  0 on success
- *         -1 if the file can not be opened for reading,
- *         -2 if the file can not be opened for writing
- */
-int
-SMFSource::open()
-{
-	//cerr << "Opening SMF file " << path() << " writeable: " << writable() << endl;
-
-	assert(writable()); // FIXME;
-
-	_fd = fopen(path().c_str(), "r+");
-
-	// File already exists
-	if (_fd) {
-		fseek(_fd, _header_size - 4, 0);
-		uint32_t track_size_be = 0;
-		fread(&track_size_be, 4, 1, _fd);
-		_track_size = GUINT32_FROM_BE(track_size_be);
-		_empty = _track_size > 4;
-		//cerr << "SMF - read track size " << _track_size << endl;
-
-	// We're making a new file
-	} else {
-		_fd = fopen(path().c_str(), "w+");
-		if (_fd == NULL) {
-			cerr << "ERROR: Can not open SMF file " << path() << " for writing: " <<
-				strerror(errno) << endl;
-			return -2;
-		}
-		_track_size = 4;
-		_empty = true;
-
-		// Write a tentative header just to pad things out so writing happens in the right spot
-		flush_header();
-		flush_footer();
-	}
-		
-	return (_fd == 0) ? -1 : 0;
-}
-
-void
-SMFSource::close()
-{
-	if (_fd) {
-		flush_header();
-		flush_footer();
-		fclose(_fd);
-		_fd = NULL;
-	}
-}
-
-void
-SMFSource::seek_to_footer_position()
-{
-	uint8_t buffer[4];
-	
-	// lets check if there is a track end marker at the end of the data
-	fseek(_fd, -4, SEEK_END);
-	//cerr << "SMFSource::seek_to_footer_position: At position: " << ftell(_fd);
-	size_t read_bytes = fread(buffer, sizeof(uint8_t), 4, _fd);
-	/*cerr << " read size: " << read_bytes << " buffer: ";
-	for (size_t i=0; i < read_bytes; ++i) {
-		printf("%x ", buffer[i]);
-	}
-	printf("\n");
-	*/
-	
-	if( (read_bytes == 4) && 
-	    buffer[0] == 0x00 && 
-	    buffer[1] == 0xFF && 
-	    buffer[2] == 0x2F && 
-	    buffer[3] == 0x00) {
-		// there is one, so overwrite it
-		fseek(_fd, -4, SEEK_END);
-	} else {
-		// there is none, so append
-		fseek(_fd, 0, SEEK_END);
-	}
-}
-
-int
-SMFSource::flush_header()
-{
-	// FIXME: write timeline position somehow?
-	
-	//cerr << path() << " SMF Flushing header\n";
-
-	assert(_fd);
-
-	const uint16_t type     = GUINT16_TO_BE(0);     // SMF Type 0 (single track)
-	const uint16_t ntracks  = GUINT16_TO_BE(1);     // Number of tracks (always 1 for Type 0)
-	const uint16_t division = GUINT16_TO_BE(_ppqn); // Pulses per quarter note (beat)
-
-	char data[6];
-	memcpy(data, &type, 2);
-	memcpy(data+2, &ntracks, 2);
-	memcpy(data+4, &division, 2);
-
-	_fd = freopen(path().c_str(), "r+", _fd);
-	assert(_fd);
-	fseek(_fd, 0, SEEK_SET);
-	write_chunk("MThd", 6, data);
-	write_chunk_header("MTrk", _track_size); 
-
-	fflush(_fd);
-
-	return 0;
-}
-
-int
-SMFSource::flush_footer()
-{
-	//cerr << path() << " SMF Flushing footer\n";
-	seek_to_footer_position();
-	write_footer();
-	seek_to_footer_position();
-
-	return 0;
-}
-
-void
-SMFSource::write_footer()
-{
-	write_var_len(0);
-	char eot[3] = { 0xFF, 0x2F, 0x00 }; // end-of-track meta-event
-	fwrite(eot, 1, 3, _fd);
-	fflush(_fd);
-}
-
-/** Returns the offset of the first event in the file with a time past @a start,
- * relative to the start of the source.
- *
- * Returns -1 if not found.
- */
-/*
-long
-SMFSource::find_first_event_after(nframes_t start)
-{
-	// FIXME: obviously this is slooow
-	
-	fseek(_fd, _header_size, 0);
-
-	while ( ! feof(_fd) ) {
-		const uint32_t delta_time = read_var_len();
-
-		if (delta_time > start)
-			return delta_time;
-	}
-
-	return -1;
-}
-*/
-
-/** Read an event from the current position in file.
- *
- * File position MUST be at the beginning of a delta time, or this will die very messily.
- * ev.buffer must be of size ev.size, and large enough for the event.  The returned event
- * will have it's time field set to it's delta time, in SMF tempo-based ticks, using the
- * rate given by ppqn() (it is the caller's responsibility to calculate a real time).
- *
- * \a size should be the capacity of \a buf.  If it is not large enough, \a buf will
- * be freed and a new buffer allocated in its place, the size of which will be placed
- * in size.
- *
- * Returns event length (including status byte) on success, 0 if event was
- * skipped (eg a meta event), or -1 on EOF (or end of track).
- */
-int
-SMFSource::read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const
-{
-	if (feof(_fd)) {
-		return -1;
-	}
-
-	assert(delta_t);
-	assert(size);
-	assert(buf);
-
-	try {
-		*delta_t = SMFReader::read_var_len(_fd);
-	} catch (...) {
-		return -1; // Premature EOF
-	}
-	
-	if (feof(_fd)) {
-		return -1; // Premature EOF
-	}
-
-	const int status = fgetc(_fd);
-
-	if (status == EOF) {
-		return -1; // Premature EOF
-	}
-
-	//printf("Status @ %X = %X\n", (unsigned)ftell(_fd) - 1, status);
-
-	if (status == 0xFF) {
-		if (feof(_fd)) {
-			return -1; // Premature EOF
-		}
-		const int type = fgetc(_fd);
-		if ((unsigned char)type == 0x2F) {
-			return -1; // hit end of track
-		} else {
-			*size = 0;
-			return 0;
-		}
-	}
-	
-	const int event_size = midi_event_size((unsigned char)status) + 1;
-	if (event_size <= 0) {
-		*size = 0;
-		return 0;
-	}
-	
-	// Make sure we have enough scratch buffer
-	if (*size < (unsigned)event_size)
-		*buf = (uint8_t*)realloc(*buf, event_size);
-	
-	*size = event_size;
-
-	(*buf)[0] = (unsigned char)status;
-	if (event_size > 1)
-		fread((*buf) + 1, 1, *size - 1, _fd);
-
-	/*printf("SMFSource %s read event: delta = %u, size = %u, data = ", _name.c_str(), *delta_t, *size);
-	for (size_t i=0; i < *size; ++i) {
-		printf("%X ", (*buf)[i]);
-	}
-	printf("\n");*/
-	
-	return (int)*size;
-}
-
-/** All stamps in audio frames */
-nframes_t
-SMFSource::read_unlocked (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset, nframes_t negative_stamp_offset) const
-{
-	//cerr << "SMF read_unlocked " << name() << " read " << start << ", count=" << cnt << ", offset=" << stamp_offset << endl;
-
-	// 64 bits ought to be enough for anybody
-	uint64_t time = 0; // in SMF ticks, 1 tick per _ppqn
-
-	_read_data_count = 0;
-
-	// Output parameters for read_event (which will allocate scratch in buffer as needed)
-	uint32_t ev_delta_t = 0;
-	uint32_t ev_size = 0;
-	uint8_t* ev_buffer = 0;
-
-	size_t scratch_size = 0; // keep track of scratch to minimize reallocs
-
-	// FIXME: don't seek to start and search every read (brutal!)
-	fseek(_fd, _header_size, SEEK_SET);
-	
-	// FIXME: assumes tempo never changes after start
-	const double frames_per_beat = _session.tempo_map().tempo_at(_timeline_position).frames_per_beat(
-			_session.engine().frame_rate(),
-			_session.tempo_map().meter_at(_timeline_position));
-	
-	const uint64_t start_ticks = (uint64_t)((start / frames_per_beat) * _ppqn);
-
-	while (!feof(_fd)) {
-		int ret = read_event(&ev_delta_t, &ev_size, &ev_buffer);
-		if (ret == -1) { // EOF
-			//cerr << "SMF - EOF\n";
-			break;
-		}
-		
-		time += ev_delta_t; // accumulate delta time
-
-		if (ret == 0) { // meta-event (skipped, just accumulate time)
-			//cerr << "SMF - META\n";
-			continue;
-		}
-
-		if (time >= start_ticks) {
-			const nframes_t ev_frame_time = (nframes_t)(
-					((time / (double)_ppqn) * frames_per_beat)) + stamp_offset;
-
-			if (ev_frame_time <= start + cnt)
-				dst.write(ev_frame_time - negative_stamp_offset, ev_size, ev_buffer);
-			else
-				break;
-		}
-
-		_read_data_count += ev_size;
-
-		if (ev_size > scratch_size)
-			scratch_size = ev_size;
-		else
-			ev_size = scratch_size; // minimize realloc in read_event
-	}
-	
-	return cnt;
-}
-
-/** All stamps in audio frames */
-nframes_t
-SMFSource::write_unlocked (MidiRingBuffer& src, nframes_t cnt)
-{
-	_write_data_count = 0;
-		
-	double time;
-	size_t size;
-
-	size_t buf_capacity = 4;
-	uint8_t* buf = (uint8_t*)malloc(buf_capacity);
-	
-	if (_model && ! _model->writing())
-		_model->start_write();
-
-	MIDI::Event ev(0.0, 4, NULL, true);
-
-	while (true) {
-		bool ret = src.full_peek(sizeof(double), (uint8_t*)&time);
-		if (!ret || time - _timeline_position > _length + cnt)
-			break;
-
-		ret = src.read_prefix(&time, &size);
-		if (!ret)
-			break;
-
-		if (size > buf_capacity) {
-			buf_capacity = size;
-			buf = (uint8_t*)realloc(buf, size);
-		}
-
-		ret = src.read_contents(size, buf);
-		if (!ret) {
-			cerr << "ERROR: Read time/size but not buffer, corrupt MIDI ring buffer" << endl;
-			break;
-		}
-		
-		assert(time >= _timeline_position);
-		time -= _timeline_position;
-		
-		ev.set(buf, size, time);
-		if (! (ev.is_channel_event() || ev.is_smf_meta_event() || ev.is_sysex()) ) {
-			//cerr << "SMFSource: WARNING: caller tried to write non SMF-Event of type " << std::hex << int(ev.buffer()[0]) << endl;
-			continue;
-		}
-		
-		append_event_unlocked(Frames, ev);
-
-		if (_model)
-			_model->append(ev);
-	}
-
-	fflush(_fd);
-	free(buf);
-
-	const nframes_t oldlen = _length;
-	update_length(oldlen, cnt);
-
-	ViewDataRangeReady (_timeline_position + oldlen, cnt); /* EMIT SIGNAL */
-	
-	return cnt;
-}
-		
-
-void
-SMFSource::append_event_unlocked(EventTimeUnit unit, const MIDI::Event& ev)
-{
-	if (ev.size() == 0)
-		return;
-
-	/*printf("SMFSource: %s - append_event_unlocked chan = %u, time = %lf, size = %u, data = ",
-			name().c_str(), (unsigned)ev.channel(), ev.time(), ev.size()); 
-	for (size_t i=0; i < ev.size(); ++i) {
-		printf("%X ", ev.buffer()[i]);
-	}
-	printf("\n");*/
-	
-	assert(ev.time() >= 0);
-	
-	if (ev.time() < _last_ev_time) {
-		cerr << "SMFSource: Warning: Skipping event with ev.time() < _last_ev_time" << endl;
-		return;
-	}
-	
-	uint32_t delta_time = 0;
-	
-	if (unit == Frames) {
-		// FIXME: assumes tempo never changes after start
-		const double frames_per_beat = _session.tempo_map().tempo_at(_timeline_position).frames_per_beat(
-				_session.engine().frame_rate(),
-				_session.tempo_map().meter_at(_timeline_position));
-
-		delta_time = (uint32_t)((ev.time() - _last_ev_time) / frames_per_beat * _ppqn);
-	} else {
-		assert(unit == Beats);
-		delta_time = (uint32_t)((ev.time() - _last_ev_time) * _ppqn);
-	}
-
-	
-	const size_t stamp_size = write_var_len(delta_time);
-	fwrite(ev.buffer(), 1, ev.size(), _fd);
-
-	_track_size += stamp_size + ev.size();
-	_write_data_count += ev.size();
-	_last_ev_time = ev.time();
-
-	if (ev.size() > 0)
-		_empty = false;
-}
-
-
-XMLNode&
-SMFSource::get_state ()
-{
-	XMLNode& root (MidiSource::get_state());
-	char buf[16];
-	snprintf (buf, sizeof (buf), "0x%x", (int)_flags);
-	root.add_property ("flags", buf);
-	return root;
-}
-
-int
-SMFSource::set_state (const XMLNode& node)
-{
-	const XMLProperty* prop;
-
-	if (MidiSource::set_state (node)) {
-		return -1;
-	}
-
-	if ((prop = node.property (X_("flags"))) != 0) {
-
-		int ival;
-		sscanf (prop->value().c_str(), "0x%x", &ival);
-		_flags = Flag (ival);
-
-	} else {
-
-		_flags = Flag (0);
-
-	}
-
-	assert(_name.find("/") == string::npos);
-
-	return 0;
-}
-
-void
-SMFSource::mark_for_remove ()
-{
-	if (!writable()) {
-		return;
-	}
-	_flags = Flag (_flags | RemoveAtDestroy);
-}
-
-void
-SMFSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_frame)
-{
-	MidiSource::mark_streaming_midi_write_started (mode, start_frame);
-	_last_ev_time = 0;
-	fseek(_fd, _header_size, SEEK_SET);
-}
-
-void
-SMFSource::mark_streaming_write_completed ()
-{
-	MidiSource::mark_streaming_write_completed();
-
-	if (!writable()) {
-		return;
-	}
-	
-	_model->set_edited(false);
-	flush_header();
-	flush_footer();
-}
-
-void
-SMFSource::mark_take (string id)
-{
-	if (writable()) {
-		_take_id = id;
-	}
-}
-
-int
-SMFSource::move_to_trash (const string trash_dir_name)
-{
-	string newpath;
-
-	if (!writable()) {
-		return -1;
-	}
-
-	/* don't move the file across filesystems, just
-	   stick it in the 'trash_dir_name' directory
-	   on whichever filesystem it was already on.
-	*/
-
-	newpath = Glib::path_get_dirname (_path);
-	newpath = Glib::path_get_dirname (newpath);
-
-	newpath += '/';
-	newpath += trash_dir_name;
-	newpath += '/';
-	newpath += Glib::path_get_basename (_path);
-
-	if (access (newpath.c_str(), F_OK) == 0) {
-
-		/* the new path already exists, try versioning */
-		
-		char buf[PATH_MAX+1];
-		int version = 1;
-		string newpath_v;
-
-		snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), version);
-		newpath_v = buf;
-
-		while (access (newpath_v.c_str(), F_OK) == 0 && version < 999) {
-			snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), ++version);
-			newpath_v = buf;
-		}
-		
-		if (version == 999) {
-			PBD::error << string_compose (_("there are already 1000 files with names like %1; versioning discontinued"),
-					  newpath)
-			      << endmsg;
-		} else {
-			newpath = newpath_v;
-		}
-
-	} else {
-
-		/* it doesn't exist, or we can't read it or something */
-
-	}
-
-	if (::rename (_path.c_str(), newpath.c_str()) != 0) {
-		PBD::error << string_compose (_("cannot rename midi file source from %1 to %2 (%3)"),
-				  _path, newpath, strerror (errno))
-		      << endmsg;
-		return -1;
-	}
-#if 0
-	if (::unlink (peakpath.c_str()) != 0) {
-		PBD::error << string_compose (_("cannot remove peakfile %1 for %2 (%3)"),
-				  peakpath, _path, strerror (errno))
-		      << endmsg;
-		/* try to back out */
-		rename (newpath.c_str(), _path.c_str());
-		return -1;
-	}
-	    
-	_path = newpath;
-	peakpath = "";
-#endif	
-	/* file can not be removed twice, since the operation is not idempotent */
-
-	_flags = Flag (_flags & ~(RemoveAtDestroy|Removable|RemovableIfEmpty));
-
-	return 0;
-}
-
-bool
-SMFSource::safe_file_extension(const Glib::ustring& file)
-{
-	return (file.rfind(".mid") != Glib::ustring::npos);
-}
-
-// FIXME: Merge this with audiofilesource somehow (make a generic filesource?)
-bool
-SMFSource::find (string pathstr, bool must_exist, bool& isnew)
-{
-	string::size_type pos;
-	bool ret = false;
-
-	isnew = false;
-
-	/* clean up PATH:CHANNEL notation so that we are looking for the correct path */
-
-	if ((pos = pathstr.find_last_of (':')) == string::npos) {
-		pathstr = pathstr;
-	} else {
-		pathstr = pathstr.substr (0, pos);
-	}
-
-	if (pathstr[0] != '/') {
-
-		/* non-absolute pathname: find pathstr in search path */
-
-		vector<string> dirs;
-		int cnt;
-		string fullpath;
-		string keeppath;
-
-		if (_search_path.length() == 0) {
-			PBD::error << _("FileSource: search path not set") << endmsg;
-			goto out;
-		}
-
-		split (_search_path, dirs, ':');
-
-		cnt = 0;
-		
-		for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
-
-			fullpath = *i;
-			if (fullpath[fullpath.length()-1] != '/') {
-				fullpath += '/';
-			}
-			fullpath += pathstr;
-			
-			if (access (fullpath.c_str(), R_OK) == 0) {
-				keeppath = fullpath;
-				++cnt;
-			} 
-		}
-
-		if (cnt > 1) {
-
-			PBD::error << string_compose (_("FileSource: \"%1\" is ambigous when searching %2\n\t"), pathstr, _search_path) << endmsg;
-			goto out;
-
-		} else if (cnt == 0) {
-
-			if (must_exist) {
-				PBD::error << string_compose(_("Filesource: cannot find required file (%1): while searching %2"), pathstr, _search_path) << endmsg;
-				goto out;
-			} else {
-				isnew = true;
-			}
-		}
-		
-		_name = pathstr;
-		_path = keeppath;
-		ret = true;
-
-	} else {
-		
-		/* external files and/or very very old style sessions include full paths */
-		
-		_path = pathstr;
-		_name = pathstr.substr (pathstr.find_last_of ('/') + 1);
-		
-		if (access (_path.c_str(), R_OK) != 0) {
-
-			/* file does not exist or we cannot read it */
-
-			if (must_exist) {
-				PBD::error << string_compose(_("Filesource: cannot find required file (%1): %2"), _path, strerror (errno)) << endmsg;
-				goto out;
-			}
-			
-			if (errno != ENOENT) {
-				PBD::error << string_compose(_("Filesource: cannot check for existing file (%1): %2"), _path, strerror (errno)) << endmsg;
-				goto out;
-			}
-			
-			/* a new file */
-
-			isnew = true;
-			ret = true;
-
-		} else {
-			
-			/* already exists */
-
-			ret = true;
-		}
-	}
-	
-  out:
-	return ret;
-}
-
-void
-SMFSource::set_search_path (string p)
-{
-	_search_path = p;
-}
-
-
-void
-SMFSource::set_allow_remove_if_empty (bool yn)
-{
-	if (writable()) {
-		_allow_remove_if_empty = yn;
-	}
-}
-
-int
-SMFSource::set_source_name (string newname, bool destructive)
-{
-	//Glib::Mutex::Lock lm (_lock); FIXME
-	string oldpath = _path;
-	string newpath = Session::change_midi_path_by_name (oldpath, _name, newname, destructive);
-
-	if (newpath.empty()) {
-		PBD::error << string_compose (_("programming error: %1"), "cannot generate a changed midi path") << endmsg;
-		return -1;
-	}
-
-	if (rename (oldpath.c_str(), newpath.c_str()) != 0) {
-		PBD::error << string_compose (_("cannot rename midi file for %1 to %2"), _name, newpath) << endmsg;
-		return -1;
-	}
-
-	_name = Glib::path_get_basename (newpath);
-	_path = newpath;
-
-	return 0;//rename_peakfile (peak_path (_path));
-}
-
-bool
-SMFSource::is_empty () const
-{
-	return _empty;
-}
-
-
-void
-SMFSource::write_chunk_header(const char id[4], uint32_t length)
-{
-	const uint32_t length_be = GUINT32_TO_BE(length);
-
-	fwrite(id, 1, 4, _fd);
-	fwrite(&length_be, 4, 1, _fd);
-}
-
-void
-SMFSource::write_chunk(const char id[4], uint32_t length, void* data)
-{
-	write_chunk_header(id, length);
-	
-	fwrite(data, 1, length, _fd);
-}
-
-/** Returns the size (in bytes) of the value written. */
-size_t
-SMFSource::write_var_len(uint32_t value)
-{
-	size_t ret = 0;
-
-	uint32_t buffer = value & 0x7F;
-
-	while ( (value >>= 7) ) {
-		buffer <<= 8;
-		buffer |= ((value & 0x7F) | 0x80);
-	}
-
-	while (true) {
-		//printf("Writing var len byte %X\n", (unsigned char)buffer);
-		++ret;
-		fputc(buffer, _fd);
-		if (buffer & 0x80)
-			buffer >>= 8;
-		else
-			break;
-	}
-
-	return ret;
-}
-
-void
-SMFSource::load_model(bool lock, bool force_reload)
-{
-	if (_writing)
-		return;
-
-	if (lock)
-		Glib::Mutex::Lock lm (_lock);
-
-	if (_model && !force_reload && !_model->empty())
-		return;
-
-	if (! _model) {
-		_model = boost::shared_ptr<MidiModel>(new MidiModel(this));
-		cerr << _name << " loaded new model " << _model.get() << endl;
-	} else {
-		cerr << _name << " reloading model " << _model.get()
-			<< " (" << _model->n_notes() << " notes)" <<endl;
-		_model->clear();
-	}
-
-	_model->start_write();
-
-	fseek(_fd, _header_size, SEEK_SET);
-
-	uint64_t time = 0; /* in SMF ticks */
-	MIDI::Event ev;
-	
-	size_t scratch_size = 0; // keep track of scratch and minimize reallocs
-	
-	// FIXME: assumes tempo never changes after start
-	const double frames_per_beat = _session.tempo_map().tempo_at(_timeline_position).frames_per_beat(
-			_session.engine().frame_rate(),
-			_session.tempo_map().meter_at(_timeline_position));
-	
-	uint32_t delta_t = 0;
-	uint32_t size    = 0;
-	uint8_t* buf     = NULL;
-	int ret;
-	while ((ret = read_event(&delta_t, &size, &buf)) >= 0) {
-		
-		ev.set(buf, size, 0.0);
-		time += delta_t;
-		
-		if (ret > 0) { // didn't skip (meta) event
-			// make ev.time absolute time in frames
-			ev.time() = (double)time * frames_per_beat / (double)_ppqn;
-			_model->append(ev);
-		}
-
-		if (ev.size() > scratch_size)
-			scratch_size = ev.size();
-		else
-			ev.size() = scratch_size;
-	}
-	
-	_model->end_write(false);
-	_model->set_edited(false);
-
-	free(buf);
-}
-
-
-void
-SMFSource::destroy_model()
-{
-	//cerr << _name << " destroying model " << _model.get() << endl;
-	_model.reset();
-}
-