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livetrax/libs/ptformat/ptfformat.h

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/*
Copyright (C) 2015 Damien Zammit
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 3 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.
*/
#ifndef PTFFORMAT_H
#define PTFFORMAT_H
#include <string>
#include <cstring>
#include <algorithm>
#include <vector>
#include <stdint.h>
#include "ptformat/visibility.h"
class LIBPTFORMAT_API PTFFormat {
public:
PTFFormat();
~PTFFormat();
/* Return values: 0 success
-1 could not open file as ptf
*/
int load(std::string path, int64_t targetsr);
struct wav_t {
std::string filename;
uint16_t index;
int64_t posabsolute;
int64_t length;
bool operator <(const struct wav_t& other) const {
return (strcasecmp(this->filename.c_str(),
other.filename.c_str()) < 0);
}
bool operator ==(const struct wav_t& other) const {
return (this->filename == other.filename ||
this->index == other.index);
}
};
struct midi_ev_t {
uint64_t pos;
uint64_t length;
uint8_t note;
uint8_t velocity;
};
typedef struct region {
std::string name;
uint16_t index;
int64_t startpos;
int64_t sampleoffset;
int64_t length;
wav_t wave;
std::vector<midi_ev_t> midi;
bool operator ==(const struct region& other) {
return (this->index == other.index);
}
} region_t;
typedef struct track {
std::string name;
uint16_t index;
uint8_t playlist;
region_t reg;
bool operator ==(const struct track& other) {
return (this->name == other.name);
}
} track_t;
std::vector<wav_t> audiofiles;
std::vector<region_t> regions;
std::vector<track_t> tracks;
static bool regionexistsin(std::vector<region_t> reg, uint16_t index) {
std::vector<region_t>::iterator begin = reg.begin();
std::vector<region_t>::iterator finish = reg.end();
std::vector<region_t>::iterator found;
wav_t w = { std::string(""), 0, 0, 0 };
std::vector<midi_ev_t> m;
region_t r = { std::string(""), index, 0, 0, 0, w, m};
if ((found = std::find(begin, finish, r)) != finish) {
return true;
}
return false;
}
static bool wavexistsin(std::vector<wav_t> wv, uint16_t index) {
std::vector<wav_t>::iterator begin = wv.begin();
std::vector<wav_t>::iterator finish = wv.end();
std::vector<wav_t>::iterator found;
wav_t w = { std::string(""), index, 0, 0 };
if ((found = std::find(begin, finish, w)) != finish) {
return true;
}
return false;
}
int64_t sessionrate;
int64_t targetrate;
uint8_t version;
uint8_t *product;
unsigned char c0;
unsigned char c1;
unsigned char *ptfunxored;
uint64_t len;
private:
bool foundin(std::string haystack, std::string needle);
int64_t foundat(unsigned char *haystack, uint64_t n, const char *needle);
int parse(void);
bool parse_version();
uint8_t gen_xor_delta(uint8_t xor_value, uint8_t mul, bool negative);
void setrates(void);
void parse5header(void);
void parse7header(void);
void parse8header(void);
void parse9header(void);
void parse10header(void);
void parserest5(void);
void parserest89(void);
void parserest10(void);
void parseaudio5(void);
void parseaudio(void);
void parsemidi(void);
void resort(std::vector<wav_t>& ws);
std::vector<wav_t> actualwavs;
float ratefactor;
std::string extension;
unsigned char key10a;
unsigned char key10b;
};
#endif