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cdrom: use vlc_alloc helper
[vlc.git] / modules / access / vcd / cdrom.c
blob732d7f3614a378bdeae62a2d091b3c12e21fa8ca
1 /****************************************************************************
2 * cdrom.c: cdrom tools
3 *****************************************************************************
4 * Copyright (C) 1998-2001 VLC authors and VideoLAN
5 * $Id$
6 *
7 * Authors: Johan Bilien <jobi@via.ecp.fr>
8 * Gildas Bazin <gbazin@netcourrier.com>
9 * Rémi Denis-Courmont
10 * Laurent Aimar
11 * Rémi Duraffort
12 * Derk-Jan Hartman
13 * Samuel Hocevar
14 * Rafaël Carré
15 * Christophe Massiot
16 * Jean-Baptiste Kempf
17 *
18 *
19 * This program is free software; you can redistribute it and/or modify it
20 * under the terms of the GNU Lesser General Public License as published by
21 * the Free Software Foundation; either version 2.1 of the License, or
22 * (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU Lesser General Public License for more details.
28 *
29 * You should have received a copy of the GNU Lesser General Public License
30 * along with this program; if not, write to the Free Software Foundation,
31 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
32 *****************************************************************************/
33
34 /*****************************************************************************
35 * Preamble
36 *****************************************************************************/
37 #ifdef HAVE_CONFIG_H
38 # include "config.h"
39 #endif
40
41 #ifdef __OS2__
42 # define INCL_DOSDEVIOCTL
43 #endif
44
45 #include <sys/types.h>
46 #include <unistd.h>
47 #include <sys/stat.h>
48 #include <fcntl.h>
49 #include <limits.h>
50 #ifdef HAVE_ARPA_INET_H
51 #include <arpa/inet.h>
52 #endif
53
54 #include <vlc_common.h>
55 #include <vlc_access.h>
56 #include <vlc_charset.h>
57 #include <vlc_fs.h>
58 #include <vlc_meta.h>
59
60 #if defined( SYS_BSDI )
61 # include <dvd.h>
62 #elif defined ( __APPLE__ )
63 # include <CoreFoundation/CFBase.h>
64 # include <IOKit/IOKitLib.h>
65 # include <IOKit/storage/IOCDTypes.h>
66 # include <IOKit/storage/IOCDMedia.h>
67 # include <IOKit/storage/IOCDMediaBSDClient.h>
68 #elif defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
69 # include <inttypes.h>
70 # include <sys/cdio.h>
71 # include <sys/scsiio.h>
72 #elif defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H )
73 # include <sys/cdio.h>
74 # include <sys/cdrio.h>
75 #elif defined( _WIN32 )
76 # include <windows.h>
77 # include <winioctl.h>
78 #elif defined (__linux__)
79 # include <sys/ioctl.h>
80 # include <linux/cdrom.h>
81 #elif defined( __OS2__ )
82 # include <os2safe.h>
83 # include <os2.h>
84
85 /*****************************************************************************
86 * vlc_DosDevIOCtl: high memory safe wrapper for DosDevIOCtl
87 *****************************************************************************
88 * Unfortunately, DosDevIOCtl() is not high memory safe API, and is not
89 * covered by os2safe.h. So define a wrapper function for it here.
90 *****************************************************************************/
91
92 static APIRET vlc_DosDevIOCtl( HFILE hdevice, ULONG category, ULONG function,
93 PVOID pParams, ULONG cbParamLenMax,
94 PULONG pcbParamLen, PVOID pData,
95 ULONG cbDataLenMax, PULONG pcbDataLen )
96 {
97 PVOID pParamsLow = NULL;
98 PVOID pDataLow = NULL;
99 ULONG cbParamLenLow;
100 ULONG cbDataLenLow;
101
102 APIRET rc;
103
104 rc = DosAllocMem( &pParamsLow, cbParamLenMax, fALLOC );
105 if( rc )
106 goto exit_free;
107
108 rc = DosAllocMem( &pDataLow, cbDataLenMax, fALLOC );
109 if( rc )
110 goto exit_free;
111
112 memcpy( pParamsLow, pParams, cbParamLenMax );
113 memcpy( pDataLow, pData, cbDataLenMax );
114
115 cbParamLenLow = *pcbParamLen;
116 cbDataLenLow = *pcbDataLen;
117
118 rc = DosDevIOCtl( hdevice, category, function, pParamsLow,
119 cbParamLenMax, &cbParamLenLow, pDataLow, cbDataLenMax,
120 &cbDataLenLow );
121
122 if( !rc )
123 {
124 memcpy( pParams, pParamsLow, cbParamLenMax );
125 memcpy( pData, pDataLow, cbDataLenMax );
126
127 *pcbParamLen = cbParamLenLow;
128 *pcbDataLen = cbDataLenLow;
129 }
130
131 exit_free:
132 DosFreeMem( pParamsLow);
133 DosFreeMem( pDataLow);
134
135 return rc;
136 }
137
138 # define DosDevIOCtl vlc_DosDevIOCtl
139 #else
140 # error FIXME
141 #endif
142
143 #include "cdrom_internals.h"
144 #include "cdrom.h"
145
146 /*****************************************************************************
147 * ioctl_Open: Opens a VCD device or file and returns an opaque handle
148 *****************************************************************************/
149 vcddev_t *ioctl_Open( vlc_object_t *p_this, const char *psz_dev )
150 {
151 int i_ret;
152 int b_is_file;
153 vcddev_t *p_vcddev;
154 #if !defined( _WIN32 ) && !defined( __OS2__ )
155 struct stat fileinfo;
156 #endif
157
158 if( !psz_dev ) return NULL;
159
160 /*
161 * Initialize structure with default values
162 */
163 p_vcddev = malloc( sizeof(*p_vcddev) );
164 if( p_vcddev == NULL )
165 return NULL;
166 p_vcddev->i_vcdimage_handle = -1;
167 p_vcddev->psz_dev = NULL;
168 b_is_file = 1;
169
170 /*
171 * Check if we are dealing with a device or a file (vcd image)
172 */
173 #if defined( _WIN32 ) || defined( __OS2__ )
174 if( (strlen( psz_dev ) == 2 && psz_dev[1] == ':') )
175 {
176 b_is_file = 0;
177 }
178
179 #else
180 if( vlc_stat( psz_dev, &fileinfo ) < 0 )
181 {
182 free( p_vcddev );
183 return NULL;
184 }
185
186 /* Check if this is a block/char device */
187 if( S_ISBLK( fileinfo.st_mode ) || S_ISCHR( fileinfo.st_mode ) )
188 b_is_file = 0;
189 #endif
190
191 if( b_is_file )
192 {
193 i_ret = OpenVCDImage( p_this, psz_dev, p_vcddev );
194 }
195 else
196 {
197 /*
198 * open the vcd device
199 */
200
201 #ifdef _WIN32
202 i_ret = win32_vcd_open( p_this, psz_dev, p_vcddev );
203 #elif defined( __OS2__ )
204 i_ret = os2_vcd_open( p_this, psz_dev, p_vcddev );
205 #else
206 p_vcddev->i_device_handle = -1;
207 p_vcddev->i_device_handle = vlc_open( psz_dev, O_RDONLY | O_NONBLOCK );
208 i_ret = (p_vcddev->i_device_handle == -1) ? -1 : 0;
209 #endif
210 }
211
212 if( i_ret == 0 )
213 {
214 p_vcddev->psz_dev = (char *)strdup( psz_dev );
215 }
216 else
217 {
218 free( p_vcddev );
219 p_vcddev = NULL;
220 }
221
222 return p_vcddev;
223 }
224
225 /*****************************************************************************
226 * ioctl_Close: Closes an already opened VCD device or file.
227 *****************************************************************************/
228 void ioctl_Close( vlc_object_t * p_this, vcddev_t *p_vcddev )
229 {
230 free( p_vcddev->psz_dev );
231
232 if( p_vcddev->i_vcdimage_handle != -1 )
233 {
234 /*
235 * vcd image mode
236 */
237
238 CloseVCDImage( p_this, p_vcddev );
239 return;
240 }
241
242 /*
243 * vcd device mode
244 */
245
246 #ifdef _WIN32
247 if( p_vcddev->h_device_handle )
248 CloseHandle( p_vcddev->h_device_handle );
249 #elif defined( __OS2__ )
250 if( p_vcddev->hcd )
251 DosClose( p_vcddev->hcd );
252 #else
253 if( p_vcddev->i_device_handle != -1 )
254 vlc_close( p_vcddev->i_device_handle );
255 #endif
256 free( p_vcddev );
257 }
258
259 /*****************************************************************************
260 * ioctl_GetTracksMap: Read the Table of Content, fill in the pp_sectors map
261 * if pp_sectors is not null and return the number of
262 * tracks available.
263 *****************************************************************************/
264 int ioctl_GetTracksMap( vlc_object_t *p_this, const vcddev_t *p_vcddev,
265 int **pp_sectors )
266 {
267 int i_tracks = 0;
268
269 if( p_vcddev->i_vcdimage_handle != -1 )
270 {
271 /*
272 * vcd image mode
273 */
274
275 i_tracks = p_vcddev->i_tracks;
276
277 if( pp_sectors )
278 {
279 *pp_sectors = calloc( i_tracks + 1, sizeof(**pp_sectors) );
280 if( *pp_sectors == NULL )
281 return 0;
282 memcpy( *pp_sectors, p_vcddev->p_sectors,
283 (i_tracks + 1) * sizeof(**pp_sectors) );
284 }
285
286 return i_tracks;
287 }
288 else
289 {
290
291 /*
292 * vcd device mode
293 */
294
295 #if defined( __APPLE__ )
296
297 CDTOC *pTOC;
298 int i_descriptors;
299
300 if( ( pTOC = darwin_getTOC( p_this, p_vcddev ) ) == NULL )
301 {
302 msg_Err( p_this, "failed to get the TOC" );
303 return 0;
304 }
305
306 i_descriptors = CDTOCGetDescriptorCount( pTOC );
307 i_tracks = darwin_getNumberOfTracks( pTOC, i_descriptors );
308
309 if( pp_sectors )
310 {
311 int i, i_leadout = -1;
312 CDTOCDescriptor *pTrackDescriptors;
313 u_char track;
314
315 *pp_sectors = calloc( i_tracks + 1, sizeof(**pp_sectors) );
316 if( *pp_sectors == NULL )
317 {
318 darwin_freeTOC( pTOC );
319 return 0;
320 }
321
322 pTrackDescriptors = pTOC->descriptors;
323
324 for( i_tracks = 0, i = 0; i < i_descriptors; i++ )
325 {
326 track = pTrackDescriptors[i].point;
327
328 if( track == 0xA2 )
329 i_leadout = i;
330
331 if( track > CD_MAX_TRACK_NO || track < CD_MIN_TRACK_NO )
332 continue;
333
334 (*pp_sectors)[i_tracks++] =
335 CDConvertMSFToLBA( pTrackDescriptors[i].p );
336 }
337
338 if( i_leadout == -1 )
339 {
340 msg_Err( p_this, "leadout not found" );
341 free( *pp_sectors );
342 darwin_freeTOC( pTOC );
343 return 0;
344 }
345
346 /* set leadout sector */
347 (*pp_sectors)[i_tracks] =
348 CDConvertMSFToLBA( pTrackDescriptors[i_leadout].p );
349 }
350
351 darwin_freeTOC( pTOC );
352
353 #elif defined( _WIN32 )
354 DWORD dwBytesReturned;
355 CDROM_TOC cdrom_toc;
356
357 if( DeviceIoControl( p_vcddev->h_device_handle, IOCTL_CDROM_READ_TOC,
358 NULL, 0, &cdrom_toc, sizeof(CDROM_TOC),
359 &dwBytesReturned, NULL ) == 0 )
360 {
361 msg_Err( p_this, "could not read TOCHDR" );
362 return 0;
363 }
364
365 i_tracks = cdrom_toc.LastTrack - cdrom_toc.FirstTrack + 1;
366
367 if( pp_sectors )
368 {
369 *pp_sectors = calloc( i_tracks + 1, sizeof(**pp_sectors) );
370 if( *pp_sectors == NULL )
371 return 0;
372
373 for( int i = 0 ; i <= i_tracks ; i++ )
374 {
375 (*pp_sectors)[ i ] = MSF_TO_LBA2(
376 cdrom_toc.TrackData[i].Address[1],
377 cdrom_toc.TrackData[i].Address[2],
378 cdrom_toc.TrackData[i].Address[3] );
379 msg_Dbg( p_this, "p_sectors: %i, %i", i, (*pp_sectors)[i]);
380 }
381 }
382
383 #elif defined( __OS2__ )
384 cdrom_get_tochdr_t get_tochdr = {{'C', 'D', '0', '1'}};
385 cdrom_tochdr_t tochdr;
386
387 ULONG param_len;
388 ULONG data_len;
389 ULONG rc;
390
391 rc = DosDevIOCtl( p_vcddev->hcd, IOCTL_CDROMAUDIO,
392 CDROMAUDIO_GETAUDIODISK,
393 &get_tochdr, sizeof( get_tochdr ), &param_len,
394 &tochdr, sizeof( tochdr ), &data_len );
395 if( rc )
396 {
397 msg_Err( p_this, "could not read TOCHDR" );
398 return 0;
399 }
400
401 i_tracks = tochdr.last_track - tochdr.first_track + 1;
402
403 if( pp_sectors )
404 {
405 cdrom_get_track_t get_track = {{'C', 'D', '0', '1'}, };
406 cdrom_track_t track;
407 int i;
408
409 *pp_sectors = calloc( i_tracks + 1, sizeof(**pp_sectors) );
410 if( *pp_sectors == NULL )
411 return 0;
412
413 for( i = 0 ; i < i_tracks ; i++ )
414 {
415 get_track.track = tochdr.first_track + i;
416 rc = DosDevIOCtl( p_vcddev->hcd, IOCTL_CDROMAUDIO,
417 CDROMAUDIO_GETAUDIOTRACK,
418 &get_track, sizeof(get_track), &param_len,
419 &track, sizeof(track), &data_len );
420 if (rc)
421 {
422 msg_Err( p_this, "could not read %d track",
423 get_track.track );
424 return 0;
425 }
426
427 (*pp_sectors)[ i ] = MSF_TO_LBA2(
428 track.start.minute,
429 track.start.second,
430 track.start.frame );
431 msg_Dbg( p_this, "p_sectors: %i, %i", i, (*pp_sectors)[i]);
432 }
433
434 /* for lead-out track */
435 (*pp_sectors)[ i ] = MSF_TO_LBA2(
436 tochdr.lead_out.minute,
437 tochdr.lead_out.second,
438 tochdr.lead_out.frame );
439 msg_Dbg( p_this, "p_sectors: %i, %i", i, (*pp_sectors)[i]);
440 }
441
442 #elif defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H ) \
443 || defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
444 struct ioc_toc_header tochdr;
445 struct ioc_read_toc_entry toc_entries;
446
447 if( ioctl( p_vcddev->i_device_handle, CDIOREADTOCHEADER, &tochdr )
448 == -1 )
449 {
450 msg_Err( p_this, "could not read TOCHDR" );
451 return 0;
452 }
453
454 i_tracks = tochdr.ending_track - tochdr.starting_track + 1;
455
456 if( pp_sectors )
457 {
458 *pp_sectors = calloc( i_tracks + 1, sizeof(**pp_sectors) );
459 if( *pp_sectors == NULL )
460 return 0;
461
462 toc_entries.address_format = CD_LBA_FORMAT;
463 toc_entries.starting_track = 0;
464 toc_entries.data_len = ( i_tracks + 1 ) *
465 sizeof( struct cd_toc_entry );
466 toc_entries.data = (struct cd_toc_entry *)
467 malloc( toc_entries.data_len );
468 if( toc_entries.data == NULL )
469 {
470 free( *pp_sectors );
471 return 0;
472 }
473
474 /* Read the TOC */
475 if( ioctl( p_vcddev->i_device_handle, CDIOREADTOCENTRYS,
476 &toc_entries ) == -1 )
477 {
478 msg_Err( p_this, "could not read the TOC" );
479 free( *pp_sectors );
480 free( toc_entries.data );
481 return 0;
482 }
483
484 /* Fill the p_sectors structure with the track/sector matches */
485 for( int i = 0 ; i <= i_tracks ; i++ )
486 {
487 #if defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
488 /* FIXME: is this ok? */
489 (*pp_sectors)[ i ] = toc_entries.data[i].addr.lba;
490 #else
491 (*pp_sectors)[ i ] = ntohl( toc_entries.data[i].addr.lba );
492 #endif
493 }
494 }
495 #else
496 struct cdrom_tochdr tochdr;
497 struct cdrom_tocentry tocent;
498
499 /* First we read the TOC header */
500 if( ioctl( p_vcddev->i_device_handle, CDROMREADTOCHDR, &tochdr )
501 == -1 )
502 {
503 msg_Err( p_this, "could not read TOCHDR" );
504 return 0;
505 }
506
507 i_tracks = tochdr.cdth_trk1 - tochdr.cdth_trk0 + 1;
508
509 if( pp_sectors )
510 {
511 *pp_sectors = calloc( i_tracks + 1, sizeof(**pp_sectors) );
512 if( *pp_sectors == NULL )
513 return 0;
514
515 /* Fill the p_sectors structure with the track/sector matches */
516 for( int i = 0 ; i <= i_tracks ; i++ )
517 {
518 tocent.cdte_format = CDROM_LBA;
519 tocent.cdte_track =
520 ( i == i_tracks ) ? CDROM_LEADOUT : tochdr.cdth_trk0 + i;
521
522 if( ioctl( p_vcddev->i_device_handle, CDROMREADTOCENTRY,
523 &tocent ) == -1 )
524 {
525 msg_Err( p_this, "could not read TOCENTRY" );
526 free( *pp_sectors );
527 return 0;
528 }
529
530 (*pp_sectors)[ i ] = tocent.cdte_addr.lba;
531 }
532 }
533 #endif
534
535 return i_tracks;
536 }
537 }
538
539 /****************************************************************************
540 * ioctl_ReadSector: Read VCD or CDDA sectors
541 ****************************************************************************/
542 int ioctl_ReadSectors( vlc_object_t *p_this, const vcddev_t *p_vcddev,
543 int i_sector, uint8_t *p_buffer, int i_nb, int i_type )
544 {
545 uint8_t *p_block;
546
547 if( i_type == VCD_TYPE )
548 p_block = vlc_alloc( i_nb, VCD_SECTOR_SIZE );
549 else
550 p_block = p_buffer;
551
552 if( p_vcddev->i_vcdimage_handle != -1 )
553 {
554 /*
555 * vcd image mode
556 */
557 if( lseek( p_vcddev->i_vcdimage_handle, i_sector * VCD_SECTOR_SIZE,
558 SEEK_SET ) == -1 )
559 {
560 msg_Err( p_this, "Could not lseek to sector %d", i_sector );
561 goto error;
562 }
563
564 if( read( p_vcddev->i_vcdimage_handle, p_block, VCD_SECTOR_SIZE * i_nb)
565 == -1 )
566 {
567 msg_Err( p_this, "Could not read sector %d", i_sector );
568 goto error;
569 }
570
571 }
572 else
573 {
574
575 /*
576 * vcd device mode
577 */
578
579 #if defined( __APPLE__ )
580 dk_cd_read_t cd_read;
581
582 memset( &cd_read, 0, sizeof(cd_read) );
583
584 cd_read.offset = i_sector * VCD_SECTOR_SIZE;
585 cd_read.sectorArea = kCDSectorAreaSync | kCDSectorAreaHeader |
586 kCDSectorAreaSubHeader | kCDSectorAreaUser |
587 kCDSectorAreaAuxiliary;
588 cd_read.sectorType = kCDSectorTypeUnknown;
589
590 cd_read.buffer = p_block;
591 cd_read.bufferLength = VCD_SECTOR_SIZE * i_nb;
592
593 if( ioctl( p_vcddev->i_device_handle, DKIOCCDREAD, &cd_read ) == -1 )
594 {
595 msg_Err( p_this, "could not read block %d", i_sector );
596 goto error;
597 }
598
599 #elif defined( _WIN32 )
600 DWORD dwBytesReturned;
601 RAW_READ_INFO cdrom_raw;
602
603 /* Initialize CDROM_RAW_READ structure */
604 cdrom_raw.DiskOffset.QuadPart = CD_SECTOR_SIZE * i_sector;
605 cdrom_raw.SectorCount = i_nb;
606 cdrom_raw.TrackMode = i_type == VCD_TYPE ? XAForm2 : CDDA;
607
608 if( DeviceIoControl( p_vcddev->h_device_handle, IOCTL_CDROM_RAW_READ,
609 &cdrom_raw, sizeof(RAW_READ_INFO), p_block,
610 VCD_SECTOR_SIZE * i_nb, &dwBytesReturned,
611 NULL ) == 0 )
612 {
613 if( i_type == VCD_TYPE )
614 {
615 /* Retry in YellowMode2 */
616 cdrom_raw.TrackMode = YellowMode2;
617 if( DeviceIoControl( p_vcddev->h_device_handle,
618 IOCTL_CDROM_RAW_READ, &cdrom_raw,
619 sizeof(RAW_READ_INFO), p_block,
620 VCD_SECTOR_SIZE * i_nb, &dwBytesReturned,
621 NULL ) == 0 )
622 goto error;
623 }
624 else return -1;
625 }
626
627 #elif defined( __OS2__ )
628 cdrom_readlong_t readlong = {{'C', 'D', '0', '1'}, };
629
630 ULONG param_len;
631 ULONG data_len;
632 ULONG rc;
633
634 readlong.addr_mode = 0; /* LBA mode */
635 readlong.sectors = i_nb;
636 readlong.start = i_sector;
637
638 rc = DosDevIOCtl( p_vcddev->hcd, IOCTL_CDROMDISK, CDROMDISK_READLONG,
639 &readlong, sizeof( readlong ), &param_len,
640 p_block, VCD_SECTOR_SIZE * i_nb, &data_len );
641 if( rc )
642 {
643 msg_Err( p_this, "could not read block %d", i_sector );
644 goto error;
645 }
646
647 #elif defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
648 struct scsireq sc;
649 int i_ret;
650
651 memset( &sc, 0, sizeof(sc) );
652 sc.cmd[0] = 0xBE;
653 sc.cmd[1] = i_type == VCD_TYPE ? SECTOR_TYPE_MODE2_FORM2:
654 SECTOR_TYPE_CDDA;
655 sc.cmd[2] = (i_sector >> 24) & 0xff;
656 sc.cmd[3] = (i_sector >> 16) & 0xff;
657 sc.cmd[4] = (i_sector >> 8) & 0xff;
658 sc.cmd[5] = (i_sector >> 0) & 0xff;
659 sc.cmd[6] = (i_nb >> 16) & 0xff;
660 sc.cmd[7] = (i_nb >> 8) & 0xff;
661 sc.cmd[8] = (i_nb ) & 0xff;
662 sc.cmd[9] = i_type == VCD_TYPE ? READ_CD_RAW_MODE2 : READ_CD_USERDATA;
663 sc.cmd[10] = 0; /* sub channel */
664 sc.cmdlen = 12;
665 sc.databuf = (caddr_t)p_block;
666 sc.datalen = VCD_SECTOR_SIZE * i_nb;
667 sc.senselen = sizeof( sc.sense );
668 sc.flags = SCCMD_READ;
669 sc.timeout = 10000;
670
671 i_ret = ioctl( p_vcddev->i_device_handle, SCIOCCOMMAND, &sc );
672 if( i_ret == -1 )
673 {
674 msg_Err( p_this, "SCIOCCOMMAND failed" );
675 goto error;
676 }
677 if( sc.retsts || sc.error )
678 {
679 msg_Err( p_this, "SCSI command failed: status %d error %d",
680 sc.retsts, sc.error );
681 goto error;
682 }
683
684 #elif defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H )
685 int i_size = VCD_SECTOR_SIZE;
686
687 if( ioctl( p_vcddev->i_device_handle, CDRIOCSETBLOCKSIZE, &i_size )
688 == -1 )
689 {
690 msg_Err( p_this, "Could not set block size" );
691 goto error;
692 }
693
694 if( lseek( p_vcddev->i_device_handle,
695 i_sector * VCD_SECTOR_SIZE, SEEK_SET ) == -1 )
696 {
697 msg_Err( p_this, "Could not lseek to sector %d", i_sector );
698 goto error;
699 }
700
701 if( read( p_vcddev->i_device_handle,
702 p_block, VCD_SECTOR_SIZE * i_nb ) == -1 )
703 {
704 msg_Err( p_this, "Could not read sector %d", i_sector );
705 goto error;
706 }
707
708 #else
709 for( int i = 0; i < i_nb; i++ )
710 {
711 int i_dummy = i_sector + i + 2 * CD_FRAMES;
712
713 #define p_msf ((struct cdrom_msf0 *)(p_block + i * VCD_SECTOR_SIZE))
714 p_msf->minute = i_dummy / (CD_FRAMES * CD_SECS);
715 p_msf->second = ( i_dummy % (CD_FRAMES * CD_SECS) ) / CD_FRAMES;
716 p_msf->frame = ( i_dummy % (CD_FRAMES * CD_SECS) ) % CD_FRAMES;
717 #undef p_msf
718
719 if( ioctl( p_vcddev->i_device_handle, CDROMREADRAW,
720 p_block + i * VCD_SECTOR_SIZE ) == -1 )
721 {
722 msg_Err( p_this, "could not read block %i from disc",
723 i_sector );
724
725 if( i == 0 )
726 goto error;
727 else
728 break;
729 }
730 }
731 #endif
732 }
733
734 /* For VCDs, we don't want to keep the header and footer of the
735 * sectors read */
736 if( i_type == VCD_TYPE )
737 {
738 for( int i = 0; i < i_nb; i++ )
739 {
740 memcpy( p_buffer + i * VCD_DATA_SIZE,
741 p_block + i * VCD_SECTOR_SIZE + VCD_DATA_START,
742 VCD_DATA_SIZE );
743 }
744 free( p_block );
745 }
746
747 return( 0 );
748
749 error:
750 if( i_type == VCD_TYPE )
751 free( p_block );
752 return( -1 );
753 }
754
755 /****************************************************************************
756 * Private functions
757 ****************************************************************************/
758
759 /****************************************************************************
760 * OpenVCDImage: try to open a vcd image from a .cue file
761 ****************************************************************************/
762 static int OpenVCDImage( vlc_object_t * p_this, const char *psz_dev,
763 vcddev_t *p_vcddev )
764 {
765 int i_ret = -1;
766 char *p_pos;
767 char *psz_vcdfile = NULL;
768 char *psz_cuefile = NULL;
769 FILE *cuefile = NULL;
770 int *p_sectors = NULL;
771 char line[1024];
772 bool b_found = false;
773
774 /* Check if we are dealing with a .cue file */
775 p_pos = strrchr( psz_dev, '.' );
776 if( p_pos && !strcmp( p_pos, ".cue" ) )
777 {
778 /* psz_dev must be the cue file. Let's assume there's a .bin
779 * file with the same filename */
780 if( asprintf( &psz_vcdfile, "%.*s.bin", (int)(p_pos - psz_dev),
781 psz_dev ) < 0 )
782 psz_vcdfile = NULL;
783 psz_cuefile = strdup( psz_dev );
784 }
785 else
786 if( p_pos )
787 {
788 /* psz_dev must be the actual vcd file. Let's assume there's a .cue
789 * file with the same filename */
790 if( asprintf( &psz_cuefile, "%.*s.cue", (int)(p_pos - psz_dev),
791 psz_dev ) < 0 )
792 psz_cuefile = NULL;
793 psz_vcdfile = strdup( psz_dev );
794 }
795 else
796 {
797 if( asprintf( &psz_cuefile, "%s.cue", psz_dev ) == -1 )
798 psz_cuefile = NULL;
799 /* If we need to look up the .cue file, then we don't have to look
800 * for the vcd */
801 psz_vcdfile = strdup( psz_dev );
802 }
803
804 if( psz_cuefile == NULL || psz_vcdfile == NULL )
805 goto error;
806
807 /* Open the cue file and try to parse it */
808 msg_Dbg( p_this,"trying .cue file: %s", psz_cuefile );
809 cuefile = vlc_fopen( psz_cuefile, "rt" );
810 if( cuefile == NULL )
811 {
812 msg_Dbg( p_this, "could not find .cue file" );
813 goto error;
814 }
815
816 msg_Dbg( p_this,"guessing vcd image file: %s", psz_vcdfile );
817 p_vcddev->i_vcdimage_handle = vlc_open( psz_vcdfile,
818 O_RDONLY | O_NONBLOCK | O_BINARY );
819
820 while( fgets( line, 1024, cuefile ) && !b_found )
821 {
822 /* We have a cue file, but no valid vcd file yet */
823 char filename[1024];
824 char type[16];
825 int i_temp = sscanf( line, "FILE \"%1023[^\"]\" %15s", filename, type );
826 switch( i_temp )
827 {
828 case 2:
829 msg_Dbg( p_this, "the cue file says the data file is %s", type );
830 if( strcasecmp( type, "BINARY" ) )
831 goto error; /* Error if not binary, otherwise treat as case 1 */
832 case 1:
833 if( p_vcddev->i_vcdimage_handle == -1 )
834 {
835 msg_Dbg( p_this, "we could not find the data file, but we found a new path" );
836 free( psz_vcdfile);
837 if( *filename != '/' && ((p_pos = strrchr( psz_cuefile, '/' ))
838 || (p_pos = strrchr( psz_cuefile, '\\' ) )) )
839 {
840 psz_vcdfile = malloc( strlen(filename) +
841 (p_pos - psz_cuefile + 1) + 1 );
842 strncpy( psz_vcdfile, psz_cuefile, (p_pos - psz_cuefile + 1) );
843 strcpy( psz_vcdfile + (p_pos - psz_cuefile + 1), filename );
844 } else psz_vcdfile = strdup( filename );
845 msg_Dbg( p_this,"using vcd image file: %s", psz_vcdfile );
846 p_vcddev->i_vcdimage_handle = vlc_open( psz_vcdfile,
847 O_RDONLY | O_NONBLOCK | O_BINARY );
848 }
849 b_found = true;
850 default:
851 break;
852 }
853 }
854
855 if( p_vcddev->i_vcdimage_handle == -1)
856 goto error;
857
858 /* Try to parse the i_tracks and p_sectors info so we can just forget
859 * about the cuefile */
860 size_t i_tracks = 0;
861
862 while( fgets( line, 1024, cuefile ) && i_tracks < INT_MAX-1 )
863 {
864 /* look for a TRACK line */
865 char psz_dummy[10];
866 if( !sscanf( line, "%9s", psz_dummy ) || strcmp(psz_dummy, "TRACK") )
867 continue;
868
869 /* look for an INDEX line */
870 while( fgets( line, 1024, cuefile ) )
871 {
872 int i_num, i_min, i_sec, i_frame;
873
874 if( (sscanf( line, "%*9s %2u %2u:%2u:%2u", &i_num,
875 &i_min, &i_sec, &i_frame ) != 4) || (i_num != 1) )
876 continue;
877
878 int *buf = realloc (p_sectors, (i_tracks + 1) * sizeof (*buf));
879 if (buf == NULL)
880 goto error;
881 p_sectors = buf;
882 p_sectors[i_tracks] = MSF_TO_LBA(i_min, i_sec, i_frame);
883 msg_Dbg( p_this, "vcd track %i begins at sector:%i",
884 (int)i_tracks, (int)p_sectors[i_tracks] );
885 i_tracks++;
886 break;
887 }
888 }
889
890 /* fill in the last entry */
891 int *buf = realloc (p_sectors, (i_tracks + 1) * sizeof (*buf));
892 if (buf == NULL)
893 goto error;
894 p_sectors = buf;
895 p_sectors[i_tracks] = lseek(p_vcddev->i_vcdimage_handle, 0, SEEK_END)
896 / VCD_SECTOR_SIZE;
897 msg_Dbg( p_this, "vcd track %i, begins at sector:%i",
898 (int)i_tracks, (int)p_sectors[i_tracks] );
899 p_vcddev->i_tracks = ++i_tracks;
900 p_vcddev->p_sectors = p_sectors;
901 p_sectors = NULL;
902 i_ret = 0;
903
904 error:
905 if( cuefile ) fclose( cuefile );
906 free( p_sectors );
907 free( psz_cuefile );
908 free( psz_vcdfile );
909
910 return i_ret;
911 }
912
913 /****************************************************************************
914 * CloseVCDImage: closes a vcd image opened by OpenVCDImage
915 ****************************************************************************/
916 static void CloseVCDImage( vlc_object_t * p_this, vcddev_t *p_vcddev )
917 {
918 VLC_UNUSED( p_this );
919 if( p_vcddev->i_vcdimage_handle != -1 )
920 vlc_close( p_vcddev->i_vcdimage_handle );
921 else
922 return;
923
924 free( p_vcddev->p_sectors );
925 }
926
927 #if defined( __APPLE__ )
928 /****************************************************************************
929 * darwin_getTOC: get the TOC
930 ****************************************************************************/
931 static CDTOC *darwin_getTOC( vlc_object_t * p_this, const vcddev_t *p_vcddev )
932 {
933 mach_port_t port;
934 char *psz_devname;
935 kern_return_t ret;
936 CDTOC *pTOC = NULL;
937 io_iterator_t iterator;
938 io_registry_entry_t service;
939 CFMutableDictionaryRef properties;
940 CFDataRef data;
941
942 /* get the device name */
943 if( ( psz_devname = strrchr( p_vcddev->psz_dev, '/') ) != NULL )
944 ++psz_devname;
945 else
946 psz_devname = p_vcddev->psz_dev;
947
948 /* unraw the device name */
949 if( *psz_devname == 'r' )
950 ++psz_devname;
951
952 /* get port for IOKit communication */
953 if( ( ret = IOMasterPort( MACH_PORT_NULL, &port ) ) != KERN_SUCCESS )
954 {
955 msg_Err( p_this, "IOMasterPort: 0x%08x", ret );
956 return( NULL );
957 }
958
959 /* get service iterator for the device */
960 if( ( ret = IOServiceGetMatchingServices(
961 port, IOBSDNameMatching( port, 0, psz_devname ),
962 &iterator ) ) != KERN_SUCCESS )
963 {
964 msg_Err( p_this, "IOServiceGetMatchingServices: 0x%08x", ret );
965 return( NULL );
966 }
967
968 /* first service */
969 service = IOIteratorNext( iterator );
970 IOObjectRelease( iterator );
971
972 /* search for kIOCDMediaClass */
973 while( service && !IOObjectConformsTo( service, kIOCDMediaClass ) )
974 {
975 if( ( ret = IORegistryEntryGetParentIterator( service,
976 kIOServicePlane, &iterator ) ) != KERN_SUCCESS )
977 {
978 msg_Err( p_this, "IORegistryEntryGetParentIterator: 0x%08x", ret );
979 IOObjectRelease( service );
980 return( NULL );
981 }
982
983 IOObjectRelease( service );
984 service = IOIteratorNext( iterator );
985 IOObjectRelease( iterator );
986 }
987
988 if( !service )
989 {
990 msg_Err( p_this, "search for kIOCDMediaClass came up empty" );
991 return( NULL );
992 }
993
994 /* create a CF dictionary containing the TOC */
995 if( ( ret = IORegistryEntryCreateCFProperties( service, &properties,
996 kCFAllocatorDefault, kNilOptions ) ) != KERN_SUCCESS )
997 {
998 msg_Err( p_this, "IORegistryEntryCreateCFProperties: 0x%08x", ret );
999 IOObjectRelease( service );
1000 return( NULL );
1001 }
1002
1003 /* get the TOC from the dictionary */
1004 if( ( data = (CFDataRef) CFDictionaryGetValue( properties,
1005 CFSTR(kIOCDMediaTOCKey) ) ) != NULL )
1006 {
1007 CFRange range;
1008 CFIndex buf_len;
1009
1010 buf_len = CFDataGetLength( data ) + 1;
1011 range = CFRangeMake( 0, buf_len );
1012
1013 if( ( pTOC = malloc( buf_len ) ) != NULL )
1014 {
1015 CFDataGetBytes( data, range, (u_char *)pTOC );
1016 }
1017 }
1018 else
1019 {
1020 msg_Err( p_this, "CFDictionaryGetValue failed" );
1021 }
1022
1023 CFRelease( properties );
1024 IOObjectRelease( service );
1025
1026 return( pTOC );
1027 }
1028
1029 /****************************************************************************
1030 * darwin_getNumberOfTracks: get number of tracks in TOC
1031 ****************************************************************************/
1032 static int darwin_getNumberOfTracks( CDTOC *pTOC, int i_descriptors )
1033 {
1034 u_char track;
1035 int i, i_tracks = 0;
1036 CDTOCDescriptor *pTrackDescriptors = NULL;
1037
1038 pTrackDescriptors = (CDTOCDescriptor *)pTOC->descriptors;
1039
1040 for( i = i_descriptors; i > 0; i-- )
1041 {
1042 track = pTrackDescriptors[i].point;
1043
1044 if( track > CD_MAX_TRACK_NO || track < CD_MIN_TRACK_NO )
1045 continue;
1046
1047 i_tracks++;
1048 }
1049
1050 return( i_tracks );
1051 }
1052 #endif /* __APPLE__ */
1053
1054 #if defined( _WIN32 )
1055 /*****************************************************************************
1056 * win32_vcd_open: open vcd drive
1057 *****************************************************************************
1058 * Use IOCTLs on WinNT/2K/XP.
1059 *****************************************************************************/
1060 static int win32_vcd_open( vlc_object_t * p_this, const char *psz_dev,
1061 vcddev_t *p_vcddev )
1062 {
1063 /* Initializations */
1064 p_vcddev->h_device_handle = NULL;
1065
1066 char psz_win32_drive[7];
1067
1068 msg_Dbg( p_this, "using winNT/2K/XP ioctl layer" );
1069
1070 sprintf( psz_win32_drive, "\\\\.\\%c:", psz_dev[0] );
1071
1072 p_vcddev->h_device_handle = CreateFileA( psz_win32_drive, GENERIC_READ,
1073 FILE_SHARE_READ | FILE_SHARE_WRITE,
1074 NULL, OPEN_EXISTING,
1075 FILE_FLAG_NO_BUFFERING |
1076 FILE_FLAG_RANDOM_ACCESS, NULL );
1077 return (p_vcddev->h_device_handle == NULL) ? -1 : 0;
1078 }
1079
1080 #endif /* _WIN32 */
1081
1082 #ifdef __OS2__
1083 /*****************************************************************************
1084 * os2_vcd_open: open vcd drive
1085 *****************************************************************************/
1086 static int os2_vcd_open( vlc_object_t * p_this, const char *psz_dev,
1087 vcddev_t *p_vcddev )
1088 {
1089 char device[] = "X:";
1090 HFILE hcd;
1091 ULONG i_action;
1092 ULONG rc;
1093
1094 p_vcddev->hcd = 0;
1095
1096 device[0] = psz_dev[0];
1097 rc = DosOpen( device, &hcd, &i_action, 0, FILE_NORMAL,
1098 OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
1099 OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE | OPEN_FLAGS_DASD,
1100 NULL);
1101 if( rc )
1102 {
1103 msg_Err( p_this, "could not open the device %s", psz_dev );
1104
1105 return -1;
1106 }
1107
1108 p_vcddev->hcd = hcd;
1109 return 0;
1110 }
1111
1112 #endif
1113
1114 /* */
1115 static void astrcat( char **ppsz_dst, char *psz_src )
1116 {
1117 char *psz_old = *ppsz_dst;
1118
1119 if( !psz_old )
1120 {
1121 *ppsz_dst = strdup( psz_src );
1122 }
1123 else if( psz_src )
1124 {
1125 if( asprintf( ppsz_dst, "%s%s", psz_old, psz_src ) < 0 )
1126 *ppsz_dst = psz_old;
1127 else
1128 free( psz_old );
1129 }
1130 }
1131
1132 /* */
1133 static int CdTextParse( vlc_meta_t ***ppp_tracks, int *pi_tracks,
1134 const uint8_t *p_buffer, int i_buffer )
1135 {
1136 char *pppsz_info[128][0x10];
1137 int i_track_last = -1;
1138 if( i_buffer < 4 )
1139 return -1;
1140
1141 memset( pppsz_info, 0, sizeof(pppsz_info) );
1142
1143 for( int i = 0; i < (i_buffer-4)/18; i++ )
1144 {
1145 const uint8_t *p_block = &p_buffer[4 + 18*i];
1146 char psz_text[12+1];
1147
1148 const int i_pack_type = p_block[0];
1149 if( i_pack_type < 0x80 || i_pack_type > 0x8f )
1150 continue;
1151
1152 const int i_track_number = (p_block[1] >> 0)&0x7f;
1153 const int i_extension_flag = ( p_block[1] >> 7)& 0x01;
1154 if( i_extension_flag )
1155 continue;
1156
1157 //const int i_sequence_number = p_block[2];
1158 //const int i_charater_position = (p_block[3] >> 0) &0x0f;
1159 //const int i_block_number = (p_block[3] >> 4) &0x07;
1160 /* TODO unicode support
1161 * I need a sample */
1162 //const int i_unicode = ( p_block[3] >> 7)&0x01;
1163 //const int i_crc = (p_block[4+12] << 8) | (p_block[4+13] << 0);
1164
1165 /* */
1166 memcpy( psz_text, &p_block[4], 12 );
1167 psz_text[12] = '\0';
1168
1169 /* */
1170 int i_track = i_track_number;
1171 char *psz_track = &psz_text[0];
1172 while( i_track <= 127 && psz_track < &psz_text[12] )
1173 {
1174 //fprintf( stderr, "t=%d psz_track=%p end=%p", i_track, (void *)psz_track, (void *)&psz_text[12] );
1175 if( *psz_track )
1176 {
1177 astrcat( &pppsz_info[i_track][i_pack_type-0x80], psz_track );
1178 i_track_last = __MAX( i_track_last, i_track );
1179 }
1180
1181 i_track++;
1182 psz_track += 1 + strlen(psz_track);
1183 }
1184 }
1185
1186 if( i_track_last < 0 )
1187 return -1;
1188
1189 vlc_meta_t **pp_tracks = calloc( i_track_last+1, sizeof(*pp_tracks) );
1190 if( !pp_tracks )
1191 goto exit;
1192
1193 for( int j = 0; j < 0x10; j++ )
1194 {
1195 for( int i = 0; i <= i_track_last; i++ )
1196 {
1197 /* */
1198 if( pppsz_info[i][j] )
1199 EnsureUTF8( pppsz_info[i][j] );
1200
1201 /* */
1202 const char *psz_default = pppsz_info[0][j];
1203 const char *psz_value = pppsz_info[i][j];
1204
1205 if( !psz_value && !psz_default )
1206 continue;
1207 vlc_meta_t *p_track = pp_tracks[i];
1208 if( !p_track )
1209 {
1210 p_track = pp_tracks[i] = vlc_meta_New();
1211 if( !p_track )
1212 continue;
1213 }
1214 switch( j )
1215 {
1216 case 0x00: /* Album/Title */
1217 if( i == 0 )
1218 {
1219 vlc_meta_SetAlbum( p_track, psz_value );
1220 }
1221 else
1222 {
1223 if( psz_value )
1224 vlc_meta_SetTitle( p_track, psz_value );
1225 if( psz_default )
1226 vlc_meta_SetAlbum( p_track, psz_default );
1227 }
1228 break;
1229 case 0x01: /* Performer */
1230 vlc_meta_SetArtist( p_track,
1231 psz_value ? psz_value : psz_default );
1232 break;
1233 case 0x05: /* Messages */
1234 vlc_meta_SetDescription( p_track,
1235 psz_value ? psz_value : psz_default );
1236 break;
1237 case 0x07: /* Genre */
1238 vlc_meta_SetGenre( p_track,
1239 psz_value ? psz_value : psz_default );
1240 break;
1241 /* FIXME unsupported:
1242 * 0x02: songwriter
1243 * 0x03: composer
1244 * 0x04: arrenger
1245 * 0x06: disc id */
1246 }
1247 }
1248 }
1249 /* */
1250 exit:
1251 for( int j = 0; j < 0x10; j++ )
1252 for( int i = 0; i <= i_track_last; i++ )
1253 free( pppsz_info[i][j] );
1254
1255 *ppp_tracks = pp_tracks;
1256 *pi_tracks = i_track_last+1;
1257 return pp_tracks ? 0 : -1;
1258 }
1259
1260 #if defined( __APPLE__ ) || \
1261 defined( __OS2__ ) || \
1262 defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H ) || \
1263 defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
1264 static int CdTextRead( vlc_object_t *p_object, const vcddev_t *p_vcddev,
1265 uint8_t **pp_buffer, int *pi_buffer )
1266 {
1267 VLC_UNUSED( p_object );
1268 VLC_UNUSED( p_vcddev );
1269 VLC_UNUSED( pp_buffer );
1270 VLC_UNUSED( pi_buffer );
1271 return -1;
1272 }
1273 #elif defined( _WIN32 )
1274 static int CdTextRead( vlc_object_t *p_object, const vcddev_t *p_vcddev,
1275 uint8_t **pp_buffer, int *pi_buffer )
1276 {
1277 VLC_UNUSED( p_object );
1278
1279 CDROM_READ_TOC_EX TOCEx;
1280 memset(&TOCEx, 0, sizeof(TOCEx));
1281 TOCEx.Format = CDROM_READ_TOC_EX_FORMAT_CDTEXT;
1282
1283 const int i_header_size = __MAX( 4, MINIMUM_CDROM_READ_TOC_EX_SIZE );
1284 uint8_t header[i_header_size];
1285 DWORD i_read;
1286 if( !DeviceIoControl( p_vcddev->h_device_handle, IOCTL_CDROM_READ_TOC_EX,
1287 &TOCEx, sizeof(TOCEx), header, i_header_size, &i_read, 0 ) )
1288 return -1;
1289
1290 const int i_text = 2 + (header[0] << 8) + header[1];
1291 if( i_text <= 4 )
1292 return -1;
1293
1294 /* Read complete CD-TEXT */
1295 uint8_t *p_text = calloc( 1, i_text );
1296 if( !p_text )
1297 return VLC_EGENERIC;
1298
1299 if( !DeviceIoControl( p_vcddev->h_device_handle, IOCTL_CDROM_READ_TOC_EX,
1300 &TOCEx, sizeof(TOCEx), p_text, i_text, &i_read, 0 ) )
1301 {
1302 free( p_text );
1303 return VLC_EGENERIC;
1304 }
1305
1306 /* */
1307 *pp_buffer = p_text;
1308 *pi_buffer = i_text;
1309 return VLC_SUCCESS;
1310 }
1311 #else
1312 static int CdTextRead( vlc_object_t *p_object, const vcddev_t *p_vcddev,
1313 uint8_t **pp_buffer, int *pi_buffer )
1314 {
1315 VLC_UNUSED( p_object );
1316
1317 if( p_vcddev->i_device_handle == -1 )
1318 return -1;
1319
1320 struct cdrom_generic_command gc;
1321 uint8_t header[4];
1322
1323 /* Read CD-TEXT size */
1324 memset( header, 0, sizeof(header) );
1325 memset( &gc, 0, sizeof(gc) );
1326 gc.cmd[0] = 0x43; /* Read TOC */
1327 gc.cmd[1] = 0x02; /* MSF */
1328 gc.cmd[2] = 5; /* CD-Text */
1329 gc.cmd[7] = ( sizeof(header) >> 8 ) & 0xff;
1330 gc.cmd[8] = ( sizeof(header) >> 0 ) & 0xff;
1331
1332 gc.buflen = sizeof(header);
1333 gc.buffer = header;
1334 gc.data_direction = CGC_DATA_READ;
1335 gc.timeout = 1000;
1336
1337 if( ioctl( p_vcddev->i_device_handle, CDROM_SEND_PACKET, &gc ) == -1 )
1338 return VLC_EGENERIC;
1339
1340 /* If the size is less than 4 it is an error, if it 4 then
1341 * it means no text data */
1342 const int i_text = 2 + (header[0] << 8) + header[1];
1343 if( i_text <= 4 )
1344 return VLC_EGENERIC;
1345
1346 /* Read complete CD-TEXT */
1347 uint8_t *p_text = calloc( 1, i_text );
1348 if( !p_text )
1349 return VLC_EGENERIC;
1350
1351 memset( &gc, 0, sizeof(gc) );
1352 gc.cmd[0] = 0x43; /* Read TOC */
1353 gc.cmd[1] = 0x02; /* MSF */
1354 gc.cmd[2] = 5; /* CD-Text */
1355 gc.cmd[7] = ( i_text >> 8 ) & 0xff;
1356 gc.cmd[8] = ( i_text >> 0 ) & 0xff;
1357
1358 gc.buflen = i_text;
1359 gc.buffer = p_text;
1360 gc.data_direction = CGC_DATA_READ;
1361 gc.timeout = 1000;
1362
1363 if( ioctl( p_vcddev->i_device_handle, CDROM_SEND_PACKET, &gc ) == -1 )
1364 {
1365 free( p_text );
1366 return VLC_EGENERIC;
1367 }
1368
1369 /* */
1370 *pp_buffer = p_text;
1371 *pi_buffer = i_text;
1372 return VLC_SUCCESS;
1373 }
1374 #endif
1375
1376 int ioctl_GetCdText( vlc_object_t *p_object, const vcddev_t *p_vcddev,
1377 vlc_meta_t ***ppp_tracks, int *pi_tracks )
1378 {
1379 uint8_t *p_text;
1380 int i_text;
1381
1382 if( p_vcddev->i_vcdimage_handle != -1 )
1383 return -1;
1384
1385 if( CdTextRead( p_object, p_vcddev, &p_text, &i_text ) )
1386 return -1;
1387
1388 CdTextParse( ppp_tracks, pi_tracks, p_text, i_text );
1389 free( p_text );
1390 return 0;
1391 }
1392
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