claunia/libcdio-osx
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Add opaque CdIoDataSource type and generic free routine for

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stream-based drivers (nrg, bincue, network).
This commit is contained in:
rocky
2003-04-07 11:31:19 +00:00
parent a35c37e275
commit 8c7ea5421b
1 changed files with 24 additions and 8 deletions
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32
lib/cdio_private.h
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@@ -1,5 +1,5 @@
/*
$Id: cdio_private.h,v 1.4 2003/04/04 05:15:33 rocky Exp $
$Id: cdio_private.h,v 1.5 2003/04/07 11:31:19 rocky Exp $
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -37,6 +37,9 @@
extern "C" {
#endif /* __cplusplus */
/* Opaque types ... */
typedef struct _CdioDataSource CdioDataSource;
typedef struct {
/*!
@@ -132,7 +135,7 @@ extern "C" {
Returns 0 if no error.
*/
int (*read_mode2_sectors) (void *user_data, void *buf, lsn_t lsn,
bool mode2raw, unsigned nblocks);
bool mode2raw, unsigned int nblocks);
/*!
Set the arg "key" with "value" in the source device.
@@ -158,9 +161,25 @@ extern "C" {
bool init; /* True if structure has been initialized */
bool toc_init; /* True TOC read in */
int ioctls_debugged; /* for debugging */
/* Only one of the below is used. The first is for CD-ROM devices
and the second for stream reading (bincue, nrg, toc, network).
*/
int fd; /* File descriptor of device */
CdioDataSource *data_source;
} generic_img_private_t;
/* This is used in drivers that must keep their own internal
position pointer for doing seeks. Stream-based drivers (like bincue,
nrg, toc, network) would use this.
*/
typedef struct
{
off_t buff_offset; /* buffer offset in disk-image seeks. */
track_t index; /* Current track index in tocent. */
lba_t lba; /* Current LBA */
} internal_position_t;
CdIo * cdio_new (void *user_data, const cdio_funcs *funcs);
/* The below structure describes a specific CD Input driver */
@@ -218,13 +237,10 @@ extern "C" {
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.
Release and free resources associated with stream or disk image.
*/
int cdio_generic_read_mode2_sectors (CdIo *obj, void *buf, lsn_t lsn,
bool mode2raw, unsigned num_sectors);
void cdio_generic_stream_free (void *user_data);
struct _CdIo {
void *user_data;
cdio_funcs op;