SMF -> OldSMF

git-svn-id: svn://localhost/ardour2/branches/3.0@4551 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 0 insertions, 369 deletions

diff --git a/libs/evoral/src/SMF.cpp b/libs/evoral/src/SMF.cpp
deleted file mode 100644
index 5d129ce7e7..0000000000
--- a/libs/evoral/src/SMF.cpp
+++ /dev/null
@@ -1,369 +0,0 @@
-/* This file is part of Evoral.
- * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
- * Copyright (C) 2000-2008 Paul Davis
- * 
- * Evoral 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.
- * 
- * Evoral 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 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.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <sys/stat.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <cassert>
-#include <iostream>
-#include <glibmm/miscutils.h>
-#include "evoral/midi_util.h"
-#include "evoral/SMF.hpp"
-#include "evoral/SMFReader.hpp"
-#include "evoral/Event.hpp"
-
-using namespace std;
-
-namespace Evoral {
-
-template<typename Time>
-SMF<Time>::SMF()
-	: _fd(0)
-	, _last_ev_time(0)
-	, _track_size(4) // 4 bytes for the ever-present EOT event
-	, _header_size(22)
-	, _empty(true)
-{
-}
-
-template<typename Time>
-SMF<Time>::~SMF()
-{
-}
-
-/** Attempt to open the SMF file for reading and writing.
- *
- * Currently SMF 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
- */
-template<typename Time>
-int
-SMF<Time>::open(const std::string& path) THROW_FILE_ERROR
-
-{
-	//cerr << "Opening SMF file " << path() << " writeable: " << writable() << endl;
-	_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;
-}
-
-template<typename Time>
-void
-SMF<Time>::close() THROW_FILE_ERROR
-{
-	if (_fd) {
-		flush_header();
-		flush_footer();
-		fclose(_fd);
-		_fd = NULL;
-	}
-}
-
-template<typename Time>
-void
-SMF<Time>::seek_to_start() const
-{
-	fseek(_fd, _header_size, SEEK_SET);
-}
-
-template<typename Time>
-void
-SMF<Time>::seek_to_footer_position()
-{
-	uint8_t buffer[4];
-	
-	// Check if there is a track end marker at the end of the data
-	fseek(_fd, -4, SEEK_END);
-	size_t read_bytes = fread(buffer, sizeof(uint8_t), 4, _fd);
-
-	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);
-	}
-}
-
-template<typename Time>
-void
-SMF<Time>::flush()
-{
-	fflush(_fd);
-}
-
-template<typename Time>
-int
-SMF<Time>::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;
-}
-
-template<typename Time>
-int
-SMF<Time>::flush_footer()
-{
-	//cerr << path() << " SMF Flushing footer\n";
-	seek_to_footer_position();
-	write_footer();
-	seek_to_footer_position();
-
-	return 0;
-}
-
-template<typename Time>
-void
-SMF<Time>::write_footer()
-{
-	write_var_len(0);
-	char eot[3] = { 0xFF, 0x2F, 0x00 }; // end-of-track meta-event
-	fwrite(eot, 1, 3, _fd);
-	fflush(_fd);
-}
-
-
-/** 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).
- */
-template<typename Time>
-int
-SMF<Time>::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;
-		}
-	}
-	
-	int event_size = midi_event_size((unsigned char)status);
-	if (event_size <= 0) {
-		if ((status & 0xff) == MIDI_CMD_COMMON_SYSEX) {
-		event_size = SMFReader::read_var_len(_fd) + 1;
-		} else {
-			*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("SMF read event: delta = %u, size = %u, data = ",  *delta_t, *size);
-	for (size_t i=0; i < *size; ++i) {
-		printf("%X ", (*buf)[i]);
-	}
-	printf("\n");*/
-	
-	return (int)*size;
-}
-
-template<typename Time>
-void
-SMF<Time>::append_event_delta(uint32_t delta_t, const Event<Time>& ev)
-{
-	if (ev.size() == 0)
-		return;
-	
-	size_t stamp_size = write_var_len(delta_t);
-	if (ev.buffer()[0] == MIDI_CMD_COMMON_SYSEX) {
-		fputc(MIDI_CMD_COMMON_SYSEX, _fd);
-		stamp_size += write_var_len(ev.size() - 1);
-		fwrite(ev.buffer() + 1, 1, ev.size() - 1, _fd);
-	} else {
-		fwrite(ev.buffer(), 1, ev.size(), _fd);
-	}
-
-	_track_size += stamp_size + ev.size();
-	_last_ev_time = ev.time();
-
-	if (ev.size() > 0)
-		_empty = false;
-}
-
-template<typename Time>
-void
-SMF<Time>::begin_write()
-{
-	_last_ev_time = 0;
-	fseek(_fd, _header_size, SEEK_SET);
-}
-
-template<typename Time>
-void
-SMF<Time>::end_write() throw(typename MIDIFile<Time>::FileError)
-{
-	flush_header();
-	flush_footer();
-}
-
-template<typename Time>
-void
-SMF<Time>::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);
-}
-
-template<typename Time>
-void
-SMF<Time>::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. */
-template<typename Time>
-size_t
-SMF<Time>::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;
-}
-
-template class SMF<double>;
-
-} // namespace Evoral