claunia/libcdio-osx
Archived
1
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases Wiki Activity

Move free routine into a generic routine. Some numbers replaced by

Browse Source 
#define constants.
This commit is contained in:
rocky
2003-04-07 11:24:55 +00:00
parent 552a60929f
commit 5729847c67
1 changed files with 31 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

83
lib/_cdio_bincue.c
View File

@@ -1,5 +1,5 @@
/* /*
$Id: _cdio_bincue.c,v 1.10 2003/04/07 02:58:49 rocky Exp $ $Id: _cdio_bincue.c,v 1.11 2003/04/07 11:24:55 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org> Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com> Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com>
@@ -28,7 +28,7 @@
# include "config.h" # include "config.h"
#endif #endif
static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.10 2003/04/07 02:58:49 rocky Exp $"; static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.11 2003/04/07 11:24:55 rocky Exp $";
#include <stdio.h> #include <stdio.h>
#include <ctype.h> #include <ctype.h>
@@ -55,25 +55,18 @@ typedef struct {
int sec_count; /* Number of sectors in this track. Does not int sec_count; /* Number of sectors in this track. Does not
include pregap */ include pregap */
int num_indices; int num_indices;
int flags; /* "DCP", "4CH", "PRE" */ int flags; /* "DCP", "4CH", "PRE" */
track_format_t track_format; track_format_t track_format;
bool track_green; bool track_green;
uint16_t datasize; /* How much is in the portion we return back? */ uint16_t datasize; /* How much is in the portion we return back? */
uint16_t datastart; /* Offset from begining that data starts */ uint16_t datastart; /* Offset from begining that data starts */
uint16_t endsize; /* How much stuff at the end to skip over. This uint16_t endsize; /* How much stuff at the end to skip over. This
stuff may have error correction (EDC, or ECC).*/ stuff may have error correction (EDC, or ECC).*/
uint16_t blocksize; /* total block size = start + size + end */ uint16_t blocksize; /* total block size = start + size + end */
} track_info_t; } track_info_t;
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;
typedef struct { typedef struct {
/* Things common to all drivers like this. /* Things common to all drivers like this.
This must be first. */ This must be first. */
@@ -82,7 +75,6 @@ typedef struct {
bool sector_2336; /* Playstation (PSX) uses 2336-byte sectors */ bool sector_2336; /* Playstation (PSX) uses 2336-byte sectors */
CdioDataSource *data_source;
char *cue_name; char *cue_name;
track_info_t tocent[100]; /* entry info for each track */ track_info_t tocent[100]; /* entry info for each track */
track_t total_tracks; /* number of tracks in image */ track_t total_tracks; /* number of tracks in image */
@@ -104,7 +96,7 @@ _cdio_init (_img_private_t *_obj)
if (_obj->gen.init) if (_obj->gen.init)
return false; return false;
if (!(_obj->data_source = cdio_stdio_new (_obj->gen.source_name))) { if (!(_obj->gen.data_source = cdio_stdio_new (_obj->gen.source_name))) {
cdio_error ("init failed"); cdio_error ("init failed");
return false; return false;
} }
@@ -199,7 +191,7 @@ _cdio_lseek (void *user_data, off_t offset, int whence)
return -1; return -1;
} else { } else {
real_offset += _obj->tocent[i].datastart; real_offset += _obj->tocent[i].datastart;
return cdio_stream_seek(_obj->data_source, real_offset, whence); return cdio_stream_seek(_obj->gen.data_source, real_offset, whence);
} }
} }
@@ -224,7 +216,7 @@ _cdio_read (void *user_data, void *data, size_t size)
while (size > 0) { while (size > 0) {
int rem = this_track->datasize - _obj->pos.buff_offset; int rem = this_track->datasize - _obj->pos.buff_offset;
if (size <= rem) { if (size <= rem) {
this_size = cdio_stream_read(_obj->data_source, buf, size, 1); this_size = cdio_stream_read(_obj->gen.data_source, buf, size, 1);
final_size += this_size; final_size += this_size;
memcpy (p, buf, this_size); memcpy (p, buf, this_size);
break; break;
@@ -234,15 +226,15 @@ _cdio_read (void *user_data, void *data, size_t size)
cdio_warn ("Reading across block boundaries not finished"); cdio_warn ("Reading across block boundaries not finished");
size -= rem; size -= rem;
this_size = cdio_stream_read(_obj->data_source, buf, rem, 1); this_size = cdio_stream_read(_obj->gen.data_source, buf, rem, 1);
final_size += this_size; final_size += this_size;
memcpy (p, buf, this_size); memcpy (p, buf, this_size);
p += this_size; p += this_size;
this_size = cdio_stream_read(_obj->data_source, buf, rem, 1); this_size = cdio_stream_read(_obj->gen.data_source, buf, rem, 1);
/* Skip over stuff at end of this sector and the beginning of the next. /* Skip over stuff at end of this sector and the beginning of the next.
*/ */
cdio_stream_read(_obj->data_source, buf, skip_size, 1); cdio_stream_read(_obj->gen.data_source, buf, skip_size, 1);
/* Get ready to read another sector. */ /* Get ready to read another sector. */
_obj->pos.buff_offset=0; _obj->pos.buff_offset=0;
@@ -271,7 +263,7 @@ _cdio_stat_size (void *user_data)
_cdio_init (_obj); _cdio_init (_obj);
size = cdio_stream_stat (_obj->data_source); size = cdio_stream_stat (_obj->gen.data_source);
if (size % blocksize) if (size % blocksize)
{ {
@@ -335,8 +327,8 @@ _cdio_image_read_cue (_img_private_t *_obj)
this_track->blocksize = blocksize; this_track->blocksize = blocksize;
switch(blocksize) { switch(blocksize) {
case 2336: case 2336:
this_track->datastart = 12 + 4; /* sync, head */ this_track->datastart = CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE;
this_track->datasize = 2336; /* sub */ this_track->datasize = M2RAW_SECTOR_SIZE;
this_track->endsize = 0; this_track->endsize = 0;
break; break;
default: default:
@@ -344,12 +336,13 @@ _cdio_image_read_cue (_img_private_t *_obj)
case 2352: case 2352:
if (_obj->sector_2336) { if (_obj->sector_2336) {
this_track->datastart = 0; this_track->datastart = 0;
this_track->datasize = 2336; this_track->datasize = M2RAW_SECTOR_SIZE;
this_track->endsize = blocksize - 2336; this_track->endsize = blocksize - 2336;
} else { } else {
this_track->datastart = 12 + 4 + 8; /* sync, head, sub */ this_track->datastart = CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE +
this_track->datasize = 2048; /* data */ CDIO_CD_SUBHEADER_SIZE;
this_track->endsize = 4 + 276; /* EDC, ECC */ this_track->datasize = CDIO_CD_FRAMESIZE;
this_track->endsize = CDIO_CD_SYNC_SIZE + CDIO_CD_ECC_SIZE;
} }
break; break;
} }
@@ -362,7 +355,7 @@ _cdio_image_read_cue (_img_private_t *_obj)
case 2048: case 2048:
/* Is the below correct? */ /* Is the below correct? */
this_track->datastart = 0; this_track->datastart = 0;
this_track->datasize = 2048; this_track->datasize = CDIO_CD_FRAMESIZE;
this_track->endsize = 0; this_track->endsize = 0;
break; break;
default: default:
@@ -450,25 +443,8 @@ _cdio_image_read_cue (_img_private_t *_obj)
return true; return true;
} }
/*!
Release and free resources used here.
*/
static void
_cdio_free (void *user_data)
{
_img_private_t *_obj = user_data;
free (_obj->gen.source_name);
if (_obj->data_source)
cdio_stream_destroy (_obj->data_source);
free (_obj);
}
static int static int
_read_mode2_sector (void *user_data, void *data, uint32_t lsn, _read_mode2_sector (void *user_data, void *data, lsn_t lsn, bool mode2_form2)
bool mode2_form2)
{ {
_img_private_t *_obj = user_data; _img_private_t *_obj = user_data;
int ret; int ret;
@@ -478,18 +454,21 @@ _read_mode2_sector (void *user_data, void *data, uint32_t lsn,
_cdio_init (_obj); _cdio_init (_obj);
ret = cdio_stream_seek (_obj->data_source, lsn * blocksize, SEEK_SET); ret = cdio_stream_seek (_obj->gen.data_source, lsn * blocksize, SEEK_SET);
if (ret!=0) return ret; if (ret!=0) return ret;
ret = cdio_stream_read (_obj->data_source, ret = cdio_stream_read (_obj->gen.data_source,
_obj->sector_2336 ? (buf + 12 + 4) : buf, _obj->sector_2336
? (buf + CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE)
: buf,
blocksize, 1); blocksize, 1);
if (ret==0) return ret; if (ret==0) return ret;
if (mode2_form2) if (mode2_form2)
memcpy (data, buf + 12 + 4, M2RAW_SECTOR_SIZE); memcpy (data, buf + CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE,
M2RAW_SECTOR_SIZE);
else else
memcpy (data, buf + 12 + 4 + 8, CDIO_CD_FRAMESIZE); memcpy (data, buf + CDIO_CD_XA_SYNC_HEADER, CDIO_CD_FRAMESIZE);
return 0; return 0;
} }
@@ -711,7 +690,7 @@ cdio_open_bincue (const char *source_name)
cdio_funcs _funcs = { cdio_funcs _funcs = {
.eject_media = cdio_generic_bogus_eject_media, .eject_media = cdio_generic_bogus_eject_media,
.free = _cdio_free, .free = cdio_generic_stream_free,
.get_arg = _cdio_get_arg, .get_arg = _cdio_get_arg,
.get_default_device = _cdio_get_default_device, .get_default_device = _cdio_get_default_device,
.get_first_track_num= _cdio_get_first_track_num, .get_first_track_num= _cdio_get_first_track_num,
@@ -750,7 +729,7 @@ cdio_open_cue (const char *cue_name)
cdio_funcs _funcs = { cdio_funcs _funcs = {
.eject_media = cdio_generic_bogus_eject_media, .eject_media = cdio_generic_bogus_eject_media,
.free = _cdio_free, .free = cdio_generic_stream_free,
.get_arg = _cdio_get_arg, .get_arg = _cdio_get_arg,
.get_default_device = _cdio_get_default_device, .get_default_device = _cdio_get_default_device,
.get_first_track_num= _cdio_get_first_track_num, .get_first_track_num= _cdio_get_first_track_num,
@@ -793,7 +772,7 @@ cdio_open_cue (const char *cue_name)
if (_cdio_init(_data)) if (_cdio_init(_data))
return ret; return ret;
else { else {
_cdio_free (_data); cdio_generic_stream_free (_data);
return NULL; return NULL;
} }
} }