claunia/libcdio-osx
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Add simple (non-mode2) read/seek.

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_cdio_generic.c: place to save common driver routines
add cdio_get_track_sec_count.
This commit is contained in:
rocky
2003-03-29 17:32:00 +00:00
parent 2e4f7d22ac
commit f488280282
21 changed files with 1572 additions and 538 deletions
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76
lib/cdio_private.h
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@@ -1,5 +1,5 @@
/*
$Id: cdio_private.h,v 1.1 2003/03/24 19:01:09 rocky Exp $
$Id: cdio_private.h,v 1.2 2003/03/29 17:32:00 rocky Exp $
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -24,6 +24,13 @@
#ifndef __CDIO_PRIVATE_H__
#define __CDIO_PRIVATE_H__
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <cdio.h>
#ifdef __cplusplus
@@ -66,13 +73,13 @@ extern "C" {
track_t (*get_num_tracks) (void *user_data);
/*!
Return the starting MSF (minutes/secs/frames) for track number
Return the starting LBA for track number
track_num in obj. Tracks numbers start at 1.
The "leadout" track is specified either by
using track_num LEADOUT_TRACK or the total tracks+1.
1 is returned on error.
CDIO_INVALID_LBA is returned on error.
*/
uint32_t (*get_track_lba) (void *user_data, track_t track_num);
lba_t (*get_track_lba) (void *user_data, track_t track_num);
/*!
Get format of track.
@@ -94,12 +101,26 @@ extern "C" {
track_num in obj. Tracks numbers start at 1.
The "leadout" track is specified either by
using track_num LEADOUT_TRACK or the total tracks+1.
1 is returned on error.
False is returned on error.
*/
bool (*get_track_msf) (void *user_data, track_t track_num, msf_t *msf);
/*!
Reads a single mode2 sector from cd device into data starting
lseek - reposition read/write file offset
Returns (off_t) -1 on error.
Similar to libc's lseek()
*/
off_t (*lseek) (void *user_data, off_t offset, int whence);
/*!
Reads into buf the next size bytes.
Returns -1 on error.
Similar to libc's read()
*/
ssize_t (*read) (void *user_data, void *buf, size_t size);
/*!
Reads a single mode2 sector from cd device into buf starting
from lsn. Returns 0 if no error.
*/
int (*read_mode2_sector) (void *user_data, void *buf, lsn_t lsn,
@@ -124,7 +145,15 @@ extern "C" {
uint32_t (*stat_size) (void *user_data);
} cdio_funcs;
/* Things that just about all private device structures have. */
typedef struct {
char *source_name; /* Name used in open. */
bool init; /* True if structure has been initialized */
int fd; /* File descriptor of device */
} generic_img_private_t;
CdIo * cdio_new (void *user_data, const cdio_funcs *funcs);
/* The below structure describes a specific CD Input driver */
@@ -151,6 +180,39 @@ extern "C" {
on a particular host. */
extern CdIo_driver_t CdIo_all_drivers[MAX_DRIVER+1];
/*!
Release and free resources associated with cd.
*/
void cdio_generic_free (void *user_data);
/*!
Reads into buf the next size bytes.
Returns -1 on error.
Is in fact libc's read().
*/
off_t cdio_generic_lseek (void *user_data, off_t offset, int whence);
/*!
Reads into buf the next size bytes.
Returns -1 on error.
Is in fact libc's read().
*/
ssize_t cdio_generic_read (void *user_data, void *buf, size_t size);
/*!
Reads nblocks of mode2 sectors from cd device into data starting
from lsn.
Returns 0 if no error.
*/
int cdio_generic_read_mode2_sectors (CdIo *obj, void *buf, lsn_t lsn,
bool mode2raw, unsigned num_sectors);
struct _CdIo {
void *user_data;
cdio_funcs op;
};
#ifdef __cplusplus
}
#endif /* __cplusplus */