ipod_io.h

Go to the documentation of this file.

/*
 * ipod_io.h
 *
 * Duane Maxwell
 * (c) 2005 by Linspire Inc
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTIBILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 */

#ifndef __IPOD_IO_H__
#define __IPOD_IO_H__

#include <sys/types.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef int (*ipod_io_read_func)(void *data, size_t maxDataLen, size_t *dataRead,void *userData);

typedef int (*ipod_io_write_func)(void *data, size_t dataLen,size_t *dataWritten,void *userData);

typedef int (*ipod_io_tell_func)(size_t *offset,void *userData);

typedef int (*ipod_io_seek_func)(size_t offset,void *userData);

typedef int (*ipod_io_length_func)(size_t *offset,void *userData);

typedef struct {
    void *userData; 
    ipod_io_read_func read; 
    ipod_io_write_func write; 
    ipod_io_tell_func tell; 
    ipod_io_seek_func seek; 
    ipod_io_length_func length; 
} ipod_io_struct;

typedef ipod_io_struct *ipod_io; 
extern int ipod_io_read(ipod_io io,void *data, size_t maxDataLen, size_t *dataRead);

extern int ipod_io_write(ipod_io io,void *data, size_t dataLen, size_t *dataWritten);

extern int8_t ipod_io_getb(ipod_io io);

extern void ipod_io_putb(ipod_io io,int8_t b);

extern uint8_t ipod_io_getub(ipod_io io);

extern void ipod_io_putub(ipod_io io,uint8_t b);

extern int16_t ipod_io_getw(ipod_io io);

extern void ipod_io_putw(ipod_io io,int16_t w);

extern uint16_t ipod_io_getuw(ipod_io io);

extern void ipod_io_putuw(ipod_io io,uint16_t w);

extern int16_t ipod_io_getw_be(ipod_io io);

extern void ipod_io_putw_be(ipod_io io,int16_t w);

extern uint16_t ipod_io_getuw_be(ipod_io io);

extern void ipod_io_putuw_be(ipod_io io,uint16_t w);

extern int32_t ipod_io_getl(ipod_io io);

extern void ipod_io_putl(ipod_io io,int32_t l);

extern uint32_t ipod_io_getul(ipod_io io);

extern void ipod_io_putul(ipod_io io,uint32_t l);


extern int32_t ipod_io_getl_be(ipod_io io);

extern void ipod_io_putl_be(ipod_io io,int32_t l);

extern uint32_t ipod_io_getul_be(ipod_io io);

extern void ipod_io_putul_be(ipod_io io,uint32_t l);

extern float ipod_io_getf(ipod_io io);

extern void ipod_io_putf(ipod_io io,float f);

extern uint32_t ipod_io_get4cc(ipod_io io);


extern void ipod_io_put4cc(ipod_io io,uint32_t l);


extern uint32_t ipod_io_getul3(ipod_io io);

extern void ipod_io_putul3(ipod_io io,uint32_t l);

extern uint32_t ipod_io_getul_ss(ipod_io io); // synchsafe integers from MP3 files

extern void ipod_io_seek(ipod_io io,size_t offset);

extern size_t ipod_io_tell(ipod_io io);

extern size_t ipod_io_length(ipod_io io);

extern void ipod_io_skip(ipod_io io,size_t count);

extern void ipod_io_backpatch(ipod_io io,size_t mark);

extern void ipod_io_get_simple_header(ipod_io io,size_t *h1,size_t *h2);

extern size_t ipod_io_put_simple_header(ipod_io io,uint32_t tag,size_t size);

extern size_t ipod_io_get_list_header(ipod_io io);

extern size_t ipod_io_put_list_header(ipod_io io,uint32_t tag,size_t size);

extern void ipod_io_put_zeros(ipod_io io,unsigned int count);

extern void ipod_io_put_pad(ipod_io io,size_t mark,size_t size);

#ifdef __cplusplus
};
#endif

#endif

---