diff options
Diffstat (limited to 'src/input/vcd/libcdio/image/cdrdao.c')
| -rw-r--r-- | src/input/vcd/libcdio/image/cdrdao.c | 1198 |
1 files changed, 0 insertions, 1198 deletions
diff --git a/src/input/vcd/libcdio/image/cdrdao.c b/src/input/vcd/libcdio/image/cdrdao.c deleted file mode 100644 index 828172721..000000000 --- a/src/input/vcd/libcdio/image/cdrdao.c +++ /dev/null @@ -1,1198 +0,0 @@ -/* - $Id: cdrdao.c,v 1.1 2005/01/01 02:43:58 rockyb Exp $ - - Copyright (C) 2004 Rocky Bernstein <rocky@panix.com> - toc reading routine adapted from cuetools - Copyright (C) 2003 Svend Sanjay Sorensen <ssorensen@fastmail.fm> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -/* This code implements low-level access functions for a CD images - residing inside a disk file (*.bin) and its associated cue sheet. - (*.cue). -*/ - -static const char _rcsid[] = "$Id: cdrdao.c,v 1.1 2005/01/01 02:43:58 rockyb Exp $"; - -#include "image.h" -#include "cdio_assert.h" -#include "_cdio_stdio.h" - -#include <cdio/logging.h> -#include <cdio/sector.h> -#include <cdio/util.h> -#include <cdio/version.h> - -#ifdef HAVE_STDIO_H -#include <stdio.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_STRING_H -#include <string.h> -#endif -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#ifdef HAVE_GLOB_H -#include <glob.h> -#endif -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif - -#include <ctype.h> - -#include "portable.h" - -/* reader */ - -#define DEFAULT_CDIO_DEVICE "videocd.bin" -#define DEFAULT_CDIO_CDRDAO "videocd.toc" - -typedef struct { - /* Things common to all drivers like this. - This must be first. */ - generic_img_private_t gen; - internal_position_t pos; - - char *psz_cue_name; - char *psz_mcn; /* Media Catalog Number (5.22.3) - exactly 13 bytes */ - track_info_t tocent[CDIO_CD_MAX_TRACKS+1]; /* entry info for each track - add 1 for leadout. */ - discmode_t disc_mode; -} _img_private_t; - -static uint32_t _stat_size_cdrdao (void *user_data); -static bool parse_tocfile (_img_private_t *cd, const char *toc_name); - -#define NEED_MEDIA_EJECT_IMAGE -#include "image_common.h" - -/*! - Initialize image structures. - */ -static bool -_init_cdrdao (_img_private_t *env) -{ - lsn_t lead_lsn; - - if (env->gen.init) - return false; - - /* Have to set init before calling _stat_size_cdrdao() or we will - get into infinite recursion calling passing right here. - */ - env->gen.init = true; - env->gen.i_first_track = 1; - env->psz_mcn = NULL; - env->disc_mode = CDIO_DISC_MODE_NO_INFO; - - cdtext_init (&(env->gen.cdtext)); - - /* Read in TOC sheet. */ - if ( !parse_tocfile(env, env->psz_cue_name) ) return false; - - lead_lsn = _stat_size_cdrdao( (_img_private_t *) env); - - if (-1 == lead_lsn) - return false; - - /* Fake out leadout track and sector count for last track*/ - cdio_lsn_to_msf (lead_lsn, &env->tocent[env->gen.i_tracks].start_msf); - env->tocent[env->gen.i_tracks].start_lba = cdio_lsn_to_lba(lead_lsn); - env->tocent[env->gen.i_tracks-env->gen.i_first_track].sec_count = - cdio_lsn_to_lba(lead_lsn - env->tocent[env->gen.i_tracks-1].start_lba); - - return true; -} - -/*! - Reads into buf the next size bytes. - Returns -1 on error. - Would be libc's seek() but we have to adjust for the extra track header - information in each sector. -*/ -static off_t -_lseek_cdrdao (void *user_data, off_t offset, int whence) -{ - _img_private_t *env = user_data; - - /* real_offset is the real byte offset inside the disk image - The number below was determined empirically. I'm guessing - the 1st 24 bytes of a bin file are used for something. - */ - off_t real_offset=0; - - unsigned int i; - - env->pos.lba = 0; - for (i=0; i<env->gen.i_tracks; i++) { - track_info_t *this_track=&(env->tocent[i]); - env->pos.index = i; - if ( (this_track->sec_count*this_track->datasize) >= offset) { - int blocks = offset / this_track->datasize; - int rem = offset % this_track->datasize; - int block_offset = blocks * this_track->blocksize; - real_offset += block_offset + rem; - env->pos.buff_offset = rem; - env->pos.lba += blocks; - break; - } - real_offset += this_track->sec_count*this_track->blocksize; - offset -= this_track->sec_count*this_track->datasize; - env->pos.lba += this_track->sec_count; - } - - if (i==env->gen.i_tracks) { - cdio_warn ("seeking outside range of disk image"); - return -1; - } else { - real_offset += env->tocent[i].datastart; - return cdio_stream_seek(env->tocent[i].data_source, real_offset, whence); - } -} - -/*! - Reads into buf the next size bytes. - Returns -1 on error. - FIXME: - At present we assume a read doesn't cross sector or track - boundaries. -*/ -static ssize_t -_read_cdrdao (void *user_data, void *data, size_t size) -{ - _img_private_t *env = user_data; - char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, }; - char *p = data; - ssize_t final_size=0; - ssize_t this_size; - track_info_t *this_track=&(env->tocent[env->pos.index]); - ssize_t skip_size = this_track->datastart + this_track->endsize; - - while (size > 0) { - int rem = this_track->datasize - env->pos.buff_offset; - if (size <= rem) { - this_size = cdio_stream_read(this_track->data_source, buf, size, 1); - final_size += this_size; - memcpy (p, buf, this_size); - break; - } - - /* Finish off reading this sector. */ - cdio_warn ("Reading across block boundaries not finished"); - - size -= rem; - this_size = cdio_stream_read(this_track->data_source, buf, rem, 1); - final_size += this_size; - memcpy (p, buf, this_size); - p += this_size; - this_size = cdio_stream_read(this_track->data_source, buf, rem, 1); - - /* Skip over stuff at end of this sector and the beginning of the next. - */ - cdio_stream_read(this_track->data_source, buf, skip_size, 1); - - /* Get ready to read another sector. */ - env->pos.buff_offset=0; - env->pos.lba++; - - /* Have gone into next track. */ - if (env->pos.lba >= env->tocent[env->pos.index+1].start_lba) { - env->pos.index++; - this_track=&(env->tocent[env->pos.index]); - skip_size = this_track->datastart + this_track->endsize; - } - } - return final_size; -} - -/*! - Return the size of the CD in logical block address (LBA) units. - */ -static uint32_t -_stat_size_cdrdao (void *user_data) -{ - _img_private_t *env = user_data; - long size; - - size = cdio_stream_stat (env->tocent[0].data_source); - - if (size % CDIO_CD_FRAMESIZE_RAW) - { - cdio_warn ("image %s size (%ld) not multiple of blocksize (%d)", - env->tocent[0].filename, size, CDIO_CD_FRAMESIZE_RAW); - if (size % M2RAW_SECTOR_SIZE == 0) - cdio_warn ("this may be a 2336-type disc image"); - else if (size % CDIO_CD_FRAMESIZE_RAW == 0) - cdio_warn ("this may be a 2352-type disc image"); - /* exit (EXIT_FAILURE); */ - } - - size /= CDIO_CD_FRAMESIZE_RAW; - - return size; -} - -#define MAXLINE 512 -#define UNIMPLIMENTED_MSG \ - cdio_log(log_level, "%s line %d: unimplimented keyword: %s", \ - psz_cue_name, i_line, psz_keyword) - - -static bool -parse_tocfile (_img_private_t *cd, const char *psz_cue_name) -{ - /* The below declarations may be common in other image-parse routines. */ - FILE *fp; - char psz_line[MAXLINE]; /* text of current line read in file fp. */ - unsigned int i_line=0; /* line number in file of psz_line. */ - int i = -1; /* Position in tocent. Same as - cd->gen.i_tracks - 1 */ - char *psz_keyword, *psz_field; - cdio_log_level_t log_level = (NULL == cd) ? CDIO_LOG_INFO : CDIO_LOG_WARN; - cdtext_field_t cdtext_key; - - /* The below declaration(s) may be unique to this image-parse routine. */ - unsigned int i_cdtext_nest = 0; - - if (NULL == psz_cue_name) - return false; - - fp = fopen (psz_cue_name, "r"); - if (fp == NULL) { - cdio_log(log_level, "error opening %s for reading: %s", - psz_cue_name, strerror(errno)); - return false; - } - - if (cd) { - cd->gen.b_cdtext_init = true; - cd->gen.b_cdtext_error = false; - } - - while ((fgets(psz_line, MAXLINE, fp)) != NULL) { - - i_line++; - - /* strip comment from line */ - /* todo: // in quoted strings? */ - /* //comment */ - if (NULL != (psz_field = strstr (psz_line, "//"))) - *psz_field = '\0'; - - if (NULL != (psz_keyword = strtok (psz_line, " \t\n\r"))) { - /* CATALOG "ddddddddddddd" */ - if (0 == strcmp ("CATALOG", psz_keyword)) { - if (-1 == i) { - if (NULL != (psz_field = strtok (NULL, "\"\t\n\r"))) { - if (13 != strlen(psz_field)) { - cdio_log(log_level, - "%s line %d after word CATALOG:", - psz_cue_name, i_line); - cdio_log(log_level, - "Token %s has length %ld. Should be 13 digits.", - psz_field, (long int) strlen(psz_field)); - - goto err_exit; - } else { - /* Check that we have all digits*/ - unsigned int i; - for (i=0; i<13; i++) { - if (!isdigit(psz_field[i])) { - cdio_log(log_level, - "%s line %d after word CATALOG:", - psz_cue_name, i_line); - cdio_log(log_level, - "Character \"%c\" at postition %i of token \"%s\"" - " is not all digits.", - psz_field[i], i+1, psz_field); - goto err_exit; - } - } - if (NULL != cd) cd->psz_mcn = strdup (psz_field); - } - } else { - cdio_log(log_level, - "%s line %d after word CATALOG:", - psz_cue_name, i_line); - cdio_log(log_level, "Expecting 13 digits; nothing seen."); - goto err_exit; - } - } else { - goto err_exit; - } - - /* CD_DA | CD_ROM | CD_ROM_XA */ - } else if (0 == strcmp ("CD_DA", psz_keyword)) { - if (-1 == i) { - if (NULL != cd) - cd->disc_mode = CDIO_DISC_MODE_CD_DA; - } else { - goto not_in_global_section; - } - } else if (0 == strcmp ("CD_ROM", psz_keyword)) { - if (-1 == i) { - if (NULL != cd) - cd->disc_mode = CDIO_DISC_MODE_CD_DATA; - } else { - goto not_in_global_section; - } - - } else if (0 == strcmp ("CD_ROM_XA", psz_keyword)) { - if (-1 == i) { - if (NULL != cd) - cd->disc_mode = CDIO_DISC_MODE_CD_XA; - } else { - goto not_in_global_section; - } - - /* TRACK <track-mode> [<sub-channel-mode>] */ - } else if (0 == strcmp ("TRACK", psz_keyword)) { - i++; - if (NULL != cd) cdtext_init (&(cd->gen.cdtext_track[i])); - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - if (0 == strcmp ("AUDIO", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_AUDIO; - cd->tocent[i].blocksize = CDIO_CD_FRAMESIZE_RAW; - cd->tocent[i].datasize = CDIO_CD_FRAMESIZE_RAW; - cd->tocent[i].datastart = 0; - cd->tocent[i].endsize = 0; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_DA; - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DATA: - case CDIO_DISC_MODE_CD_XA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - - } - } else if (0 == strcmp ("MODE1", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_DATA; - cd->tocent[i].blocksize = CDIO_CD_FRAMESIZE_RAW; - cd->tocent[i].datastart = CDIO_CD_SYNC_SIZE - + CDIO_CD_HEADER_SIZE; - cd->tocent[i].datasize = CDIO_CD_FRAMESIZE; - cd->tocent[i].endsize = CDIO_CD_EDC_SIZE - + CDIO_CD_M1F1_ZERO_SIZE + CDIO_CD_ECC_SIZE; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_DATA; - break; - case CDIO_DISC_MODE_CD_DATA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_XA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - } - } else if (0 == strcmp ("MODE1_RAW", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_DATA; - cd->tocent[i].blocksize = CDIO_CD_FRAMESIZE_RAW; - cd->tocent[i].datastart = CDIO_CD_SYNC_SIZE - + CDIO_CD_HEADER_SIZE; - cd->tocent[i].datasize = CDIO_CD_FRAMESIZE; - cd->tocent[i].endsize = CDIO_CD_EDC_SIZE - + CDIO_CD_M1F1_ZERO_SIZE + CDIO_CD_ECC_SIZE; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_DATA; - break; - case CDIO_DISC_MODE_CD_DATA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_XA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - } - } else if (0 == strcmp ("MODE2", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_XA; - cd->tocent[i].datastart = CDIO_CD_SYNC_SIZE - + CDIO_CD_HEADER_SIZE; - cd->tocent[i].datasize = M2RAW_SECTOR_SIZE; - cd->tocent[i].endsize = 0; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_XA; - break; - case CDIO_DISC_MODE_CD_XA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_DATA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - } - } else if (0 == strcmp ("MODE2_FORM1", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_XA; - cd->tocent[i].datastart = CDIO_CD_SYNC_SIZE - + CDIO_CD_HEADER_SIZE; - cd->tocent[i].datasize = CDIO_CD_FRAMESIZE_RAW; - cd->tocent[i].endsize = 0; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_XA; - break; - case CDIO_DISC_MODE_CD_XA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_DATA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - } - } else if (0 == strcmp ("MODE2_FORM2", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_XA; - cd->tocent[i].datastart = CDIO_CD_SYNC_SIZE - + CDIO_CD_HEADER_SIZE + CDIO_CD_SUBHEADER_SIZE; - cd->tocent[i].datasize = CDIO_CD_FRAMESIZE; - cd->tocent[i].endsize = CDIO_CD_SYNC_SIZE - + CDIO_CD_ECC_SIZE; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_XA; - break; - case CDIO_DISC_MODE_CD_XA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_DATA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - } - } else if (0 == strcmp ("MODE2_FORM_MIX", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_XA; - cd->tocent[i].datasize = M2RAW_SECTOR_SIZE; - cd->tocent[i].blocksize = CDIO_CD_FRAMESIZE_RAW; - cd->tocent[i].datastart = CDIO_CD_SYNC_SIZE + - CDIO_CD_HEADER_SIZE + CDIO_CD_SUBHEADER_SIZE; - cd->tocent[i].track_green = true; - cd->tocent[i].endsize = 0; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_XA; - break; - case CDIO_DISC_MODE_CD_XA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_DATA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - } - } else if (0 == strcmp ("MODE2_RAW", psz_field)) { - if (NULL != cd) { - cd->tocent[i].track_format = TRACK_FORMAT_XA; - cd->tocent[i].blocksize = CDIO_CD_FRAMESIZE_RAW; - cd->tocent[i].datastart = CDIO_CD_SYNC_SIZE + - CDIO_CD_HEADER_SIZE + CDIO_CD_SUBHEADER_SIZE; - cd->tocent[i].datasize = CDIO_CD_FRAMESIZE; - cd->tocent[i].track_green = true; - cd->tocent[i].endsize = 0; - switch(cd->disc_mode) { - case CDIO_DISC_MODE_NO_INFO: - cd->disc_mode = CDIO_DISC_MODE_CD_XA; - break; - case CDIO_DISC_MODE_CD_XA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_ERROR: - /* Disc type stays the same. */ - break; - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_DATA: - cd->disc_mode = CDIO_DISC_MODE_CD_MIXED; - break; - default: - cd->disc_mode = CDIO_DISC_MODE_ERROR; - } - } - } else { - cdio_log(log_level, "%s line %d after TRACK:", - psz_cue_name, i_line); - cdio_log(log_level, "'%s' not a valid mode.", psz_field); - goto err_exit; - } - } - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - /* todo: set sub-channel-mode */ - if (0 == strcmp ("RW", psz_field)) - ; - else if (0 == strcmp ("RW_RAW", psz_field)) - ; - } - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - - /* track flags */ - /* [NO] COPY | [NO] PRE_EMPHASIS */ - } else if (0 == strcmp ("NO", psz_keyword)) { - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - if (0 == strcmp ("COPY", psz_field)) { - if (NULL != cd) - cd->tocent[i].flags &= ~CDIO_TRACK_FLAG_COPY_PERMITTED; - - } else if (0 == strcmp ("PRE_EMPHASIS", psz_field)) - if (NULL != cd) { - cd->tocent[i].flags &= ~CDIO_TRACK_FLAG_PRE_EMPHASIS; - goto err_exit; - } - } else { - goto format_error; - } - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - } else if (0 == strcmp ("COPY", psz_keyword)) { - if (NULL != cd) - cd->tocent[i].flags |= CDIO_TRACK_FLAG_COPY_PERMITTED; - } else if (0 == strcmp ("PRE_EMPHASIS", psz_keyword)) { - if (NULL != cd) - cd->tocent[i].flags |= CDIO_TRACK_FLAG_PRE_EMPHASIS; - /* TWO_CHANNEL_AUDIO */ - } else if (0 == strcmp ("TWO_CHANNEL_AUDIO", psz_keyword)) { - if (NULL != cd) - cd->tocent[i].flags &= ~CDIO_TRACK_FLAG_FOUR_CHANNEL_AUDIO; - /* FOUR_CHANNEL_AUDIO */ - } else if (0 == strcmp ("FOUR_CHANNEL_AUDIO", psz_keyword)) { - if (NULL != cd) - cd->tocent[i].flags |= CDIO_TRACK_FLAG_FOUR_CHANNEL_AUDIO; - - /* ISRC "CCOOOYYSSSSS" */ - } else if (0 == strcmp ("ISRC", psz_keyword)) { - if (NULL != (psz_field = strtok (NULL, "\"\t\n\r"))) { - if (NULL != cd) - cd->tocent[i].isrc = strdup(psz_field); - } else { - goto format_error; - } - - /* SILENCE <length> */ - } else if (0 == strcmp ("SILENCE", psz_keyword)) { - UNIMPLIMENTED_MSG; - - /* ZERO <length> */ - } else if (0 == strcmp ("ZERO", psz_keyword)) { - UNIMPLIMENTED_MSG; - - /* [FILE|AUDIOFILE] "<filename>" <start> [<length>] */ - } else if (0 == strcmp ("FILE", psz_keyword) - || 0 == strcmp ("AUDIOFILE", psz_keyword)) { - if (0 <= i) { - if (NULL != (psz_field = strtok (NULL, "\"\t\n\r"))) { - if (NULL != cd) { - cd->tocent[i].filename = strdup (psz_field); - /* Todo: do something about reusing existing files. */ - if (!(cd->tocent[i].data_source = cdio_stdio_new (psz_field))) { - cdio_log (log_level, - "%s line %d: can't open file `%s' for reading", - psz_cue_name, i_line, psz_field); - goto err_exit; - } - } - } - - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - lba_t lba = cdio_lsn_to_lba(cdio_mmssff_to_lba (psz_field)); - if (CDIO_INVALID_LBA == lba) { - cdio_log(log_level, "%s line %d: invalid MSF string %s", - psz_cue_name, i_line, psz_field); - goto err_exit; - } - - if (NULL != cd) { - cd->tocent[i].start_lba = lba; - cdio_lba_to_msf(lba, &(cd->tocent[i].start_msf)); - } - } - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) - if (NULL != cd) - cd->tocent[i].length = cdio_mmssff_to_lba (psz_field); - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - } else { - goto not_in_global_section; - } - - /* DATAFILE "<filename>" <start> [<length>] */ - } else if (0 == strcmp ("DATAFILE", psz_keyword)) { - goto unimplimented_error; - - /* FIFO "<fifo path>" [<length>] */ - } else if (0 == strcmp ("FIFO", psz_keyword)) { - goto unimplimented_error; - - /* START MM:SS:FF */ - } else if (0 == strcmp ("START", psz_keyword)) { - if (0 <= i) { - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - /* todo: line is too long! */ - if (NULL != cd) { - cd->tocent[i].start_lba += cdio_mmssff_to_lba (psz_field); - cdio_lba_to_msf(cd->tocent[i].start_lba, - &(cd->tocent[i].start_msf)); - } - } - - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - } else { - goto not_in_global_section; - } - - /* PREGAP MM:SS:FF */ - } else if (0 == strcmp ("PREGAP", psz_keyword)) { - if (0 <= i) { - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - if (NULL != cd) - cd->tocent[i].pregap = cdio_mmssff_to_lba (psz_field); - } else { - goto format_error; - } - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - } else { - goto not_in_global_section; - } - - /* INDEX MM:SS:FF */ - } else if (0 == strcmp ("INDEX", psz_keyword)) { - if (0 <= i) { - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - if (NULL != cd) { -#if 0 - if (1 == cd->tocent[i].nindex) { - cd->tocent[i].indexes[1] = cd->tocent[i].indexes[0]; - cd->tocent[i].nindex++; - } - cd->tocent[i].indexes[cd->tocent[i].nindex++] = - cdio_mmssff_to_lba (psz_field) + cd->tocent[i].indexes[0]; -#else - ; - -#endif - } - } else { - goto format_error; - } - if (NULL != (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - } else { - goto not_in_global_section; - } - - /* CD_TEXT { ... } */ - /* todo: opening { must be on same line as CD_TEXT */ - } else if (0 == strcmp ("CD_TEXT", psz_keyword)) { - if (NULL == (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - if ( 0 == strcmp( "{", psz_field ) ) { - i_cdtext_nest++; - } else { - cdio_log (log_level, - "%s line %d: expecting '{'", psz_cue_name, i_line); - goto err_exit; - } - - } else if (0 == strcmp ("LANGUAGE_MAP", psz_keyword)) { - /* LANGUAGE d { ... } */ - } else if (0 == strcmp ("LANGUAGE", psz_keyword)) { - if (NULL == (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - /* Language number */ - if (NULL == (psz_field = strtok (NULL, " \t\n\r"))) { - goto format_error; - } - if ( 0 == strcmp( "{", psz_field ) ) { - i_cdtext_nest++; - } - } else if (0 == strcmp ("{", psz_keyword)) { - i_cdtext_nest++; - } else if (0 == strcmp ("}", psz_keyword)) { - if (i_cdtext_nest > 0) i_cdtext_nest--; - } else if ( CDTEXT_INVALID != - (cdtext_key = cdtext_is_keyword (psz_keyword)) ) { - if (-1 == i) { - if (NULL != cd) { - cdtext_set (cdtext_key, - strtok (NULL, "\"\t\n\r"), - &(cd->gen.cdtext)); - } - } else { - if (NULL != cd) { - cdtext_set (cdtext_key, - strtok (NULL, "\"\t\n\r"), - &(cd->gen.cdtext_track[i])); - } - } - - /* unrecognized line */ - } else { - cdio_log(log_level, "%s line %d: warning: unrecognized word: %s", - psz_cue_name, i_line, psz_keyword); - goto err_exit; - } - } - } - - if (NULL != cd) { - cd->gen.i_tracks = i+1; - cd->gen.toc_init = true; - } - - fclose (fp); - return true; - - unimplimented_error: - UNIMPLIMENTED_MSG; - goto err_exit; - - format_error: - cdio_log(log_level, "%s line %d after word %s", - psz_cue_name, i_line, psz_keyword); - goto err_exit; - - not_in_global_section: - cdio_log(log_level, "%s line %d: word %s only allowed in global section", - psz_cue_name, i_line, psz_keyword); - - err_exit: - fclose (fp); - return false; -} - -/*! - Reads a single audio sector from CD device into data starting - from lsn. Returns 0 if no error. - */ -static int -_read_audio_sectors_cdrdao (void *user_data, void *data, lsn_t lsn, - unsigned int nblocks) -{ - _img_private_t *env = user_data; - int ret; - - /* Why the adjustment of 272, I don't know. It seems to work though */ - if (lsn != 0) { - ret = cdio_stream_seek (env->tocent[0].data_source, - (lsn * CDIO_CD_FRAMESIZE_RAW) - 272, SEEK_SET); - if (ret!=0) return ret; - - ret = cdio_stream_read (env->tocent[0].data_source, data, - CDIO_CD_FRAMESIZE_RAW, nblocks); - } else { - /* We need to pad out the first 272 bytes with 0's */ - BZERO(data, 272); - - ret = cdio_stream_seek (env->tocent[0].data_source, 0, SEEK_SET); - - if (ret!=0) return ret; - - ret = cdio_stream_read (env->tocent[0].data_source, (uint8_t *) data+272, - CDIO_CD_FRAMESIZE_RAW - 272, nblocks); - } - - /* ret is number of bytes if okay, but we need to return 0 okay. */ - return ret == 0; -} - -/*! - Reads a single mode2 sector from cd device into data starting - from lsn. Returns 0 if no error. - */ -static int -_read_mode1_sector_cdrdao (void *user_data, void *data, lsn_t lsn, - bool b_form2) -{ - _img_private_t *env = user_data; - int ret; - char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, }; - - ret = cdio_stream_seek (env->tocent[0].data_source, - lsn * CDIO_CD_FRAMESIZE_RAW, SEEK_SET); - if (ret!=0) return ret; - - /* FIXME: Not completely sure the below is correct. */ - ret = cdio_stream_read (env->tocent[0].data_source, buf, - CDIO_CD_FRAMESIZE_RAW, 1); - if (ret==0) return ret; - - memcpy (data, buf + CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE, - b_form2 ? M2RAW_SECTOR_SIZE: CDIO_CD_FRAMESIZE); - - return 0; -} - -/*! - Reads nblocks of mode1 sectors from cd device into data starting - from lsn. - Returns 0 if no error. - */ -static int -_read_mode1_sectors_cdrdao (void *user_data, void *data, lsn_t lsn, - bool b_form2, unsigned int nblocks) -{ - _img_private_t *env = user_data; - int i; - int retval; - unsigned int blocksize = b_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE; - - for (i = 0; i < nblocks; i++) { - if ( (retval = _read_mode1_sector_cdrdao (env, - ((char *)data) + (blocksize * i), - lsn + i, b_form2)) ) - return retval; - } - return 0; -} - -/*! - Reads a single mode1 sector from cd device into data starting - from lsn. Returns 0 if no error. - */ -static int -_read_mode2_sector_cdrdao (void *user_data, void *data, lsn_t lsn, - bool b_form2) -{ - _img_private_t *env = user_data; - int ret; - char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, }; - - /* NOTE: The logic below seems a bit wrong and convoluted - to me, but passes the regression tests. (Perhaps it is why we get - valgrind errors in vcdxrip). Leave it the way it was for now. - Review this sector 2336 stuff later. - */ - - ret = cdio_stream_seek (env->tocent[0].data_source, - lsn * CDIO_CD_FRAMESIZE_RAW, SEEK_SET); - if (ret!=0) return ret; - - ret = cdio_stream_read (env->tocent[0].data_source, buf, - CDIO_CD_FRAMESIZE_RAW, 1); - if (ret==0) return ret; - - - /* See NOTE above. */ - if (b_form2) - memcpy (data, buf + CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE, - M2RAW_SECTOR_SIZE); - else - memcpy (data, buf + CDIO_CD_XA_SYNC_HEADER, CDIO_CD_FRAMESIZE); - - return 0; -} - -/*! - Reads nblocks of mode2 sectors from cd device into data starting - from lsn. - Returns 0 if no error. - */ -static int -_read_mode2_sectors_cdrdao (void *user_data, void *data, lsn_t lsn, - bool b_form2, unsigned int nblocks) -{ - _img_private_t *env = user_data; - int i; - int retval; - - for (i = 0; i < nblocks; i++) { - if ( (retval = _read_mode2_sector_cdrdao (env, - ((char *)data) + (CDIO_CD_FRAMESIZE * i), - lsn + i, b_form2)) ) - return retval; - } - return 0; -} - -/*! - Return an array of strings giving possible TOC disk images. - */ -char ** -cdio_get_devices_cdrdao (void) -{ - char **drives = NULL; - unsigned int num_files=0; -#ifdef HAVE_GLOB_H - unsigned int i; - glob_t globbuf; - globbuf.gl_offs = 0; - glob("*.toc", GLOB_DOOFFS, NULL, &globbuf); - for (i=0; i<globbuf.gl_pathc; i++) { - cdio_add_device_list(&drives, globbuf.gl_pathv[i], &num_files); - } - globfree(&globbuf); -#else - cdio_add_device_list(&drives, DEFAULT_CDIO_DEVICE, &num_files); -#endif /*HAVE_GLOB_H*/ - cdio_add_device_list(&drives, NULL, &num_files); - return drives; -} - -/*! - Return a string containing the default CD device. - */ -char * -cdio_get_default_device_cdrdao(void) -{ - char **drives = cdio_get_devices_nrg(); - char *drive = (drives[0] == NULL) ? NULL : strdup(drives[0]); - cdio_free_device_list(drives); - return drive; -} - -static bool -get_hwinfo_cdrdao ( const CdIo *p_cdio, /*out*/ cdio_hwinfo_t *hw_info) -{ - strcpy(hw_info->psz_vendor, "libcdio"); - strcpy(hw_info->psz_model, "cdrdao"); - strcpy(hw_info->psz_revision, CDIO_VERSION); - return true; - -} - -/*! - Return the number of tracks in the current medium. - CDIO_INVALID_TRACK is returned on error. -*/ -static track_format_t -_get_track_format_cdrdao(void *user_data, track_t i_track) -{ - _img_private_t *env = user_data; - - if (!env->gen.init) _init_cdrdao(env); - - if (i_track > env->gen.i_tracks || i_track == 0) - return TRACK_FORMAT_ERROR; - - return env->tocent[i_track-env->gen.i_first_track].track_format; -} - -/*! - Return true if we have XA data (green, mode2 form1) or - XA data (green, mode2 form2). That is track begins: - sync - header - subheader - 12 4 - 8 - - FIXME: there's gotta be a better design for this and get_track_format? -*/ -static bool -_get_track_green_cdrdao(void *user_data, track_t i_track) -{ - _img_private_t *env = user_data; - - if (!env->gen.init) _init_cdrdao(env); - - if (i_track > env->gen.i_tracks || i_track == 0) - return false; - - return env->tocent[i_track-env->gen.i_first_track].track_green; -} - -/*! - Return the starting LSN track number - i_track in obj. Track numbers start at 1. - The "leadout" track is specified either by - using i_track LEADOUT_TRACK or the total tracks+1. - False is returned if there is no track entry. -*/ -static lba_t -_get_lba_track_cdrdao(void *user_data, track_t i_track) -{ - _img_private_t *env = user_data; - _init_cdrdao (env); - - if (i_track == CDIO_CDROM_LEADOUT_TRACK) - i_track = env->gen.i_tracks+1; - - if (i_track <= env->gen.i_tracks+1 && i_track != 0) { - return env->tocent[i_track-1].start_lba; - } else - return CDIO_INVALID_LBA; -} - -/*! - Check that a TOC file is valid. We parse the entire file. - -*/ -bool -cdio_is_tocfile(const char *psz_cue_name) -{ - int i; - - if (psz_cue_name == NULL) return false; - - i=strlen(psz_cue_name)-strlen("toc"); - - if (i>0) { - if ( (psz_cue_name[i]=='t' && psz_cue_name[i+1]=='o' && psz_cue_name[i+2]=='c') - || (psz_cue_name[i]=='T' && psz_cue_name[i+1]=='O' && psz_cue_name[i+2]=='C') ) { - return parse_tocfile(NULL, psz_cue_name); - } - } - return false; -} - -/*! - Initialization routine. This is the only thing that doesn't - get called via a function pointer. In fact *we* are the - ones to set that up. - */ -CdIo * -cdio_open_am_cdrdao (const char *psz_source_name, const char *psz_access_mode) -{ - if (psz_access_mode != NULL && strcmp(psz_access_mode, "image")) - cdio_warn ("there is only one access mode, 'image' for cdrdao. Arg %s ignored", - psz_access_mode); - return cdio_open_cdrdao(psz_source_name); -} - -/*! - Initialization routine. This is the only thing that doesn't - get called via a function pointer. In fact *we* are the - ones to set that up. - */ -CdIo * -cdio_open_cdrdao (const char *psz_cue_name) -{ - CdIo *ret; - _img_private_t *_data; - - cdio_funcs _funcs; - - memset( &_funcs, 0, sizeof(_funcs) ); - - _funcs.eject_media = _eject_media_image; - _funcs.free = _free_image; - _funcs.get_arg = _get_arg_image; - _funcs.get_cdtext = get_cdtext_generic; - _funcs.get_devices = cdio_get_devices_cdrdao; - _funcs.get_default_device = cdio_get_default_device_cdrdao; - _funcs.get_discmode = _get_discmode_image; - _funcs.get_drive_cap = _get_drive_cap_image; - _funcs.get_first_track_num= _get_first_track_num_image; - _funcs.get_hwinfo = get_hwinfo_cdrdao; - _funcs.get_mcn = _get_mcn_image; - _funcs.get_num_tracks = _get_num_tracks_image; - _funcs.get_track_format = _get_track_format_cdrdao; - _funcs.get_track_green = _get_track_green_cdrdao; - _funcs.get_track_lba = _get_lba_track_cdrdao; - _funcs.get_track_msf = _get_track_msf_image; - _funcs.lseek = _lseek_cdrdao; - _funcs.read = _read_cdrdao; - _funcs.read_audio_sectors = _read_audio_sectors_cdrdao; - _funcs.read_mode1_sector = _read_mode1_sector_cdrdao; - _funcs.read_mode1_sectors = _read_mode1_sectors_cdrdao; - _funcs.read_mode2_sector = _read_mode2_sector_cdrdao; - _funcs.read_mode2_sectors = _read_mode2_sectors_cdrdao; - _funcs.set_arg = _set_arg_image; - _funcs.stat_size = _stat_size_cdrdao; - - if (NULL == psz_cue_name) return NULL; - - _data = _cdio_malloc (sizeof (_img_private_t)); - _data->gen.init = false; - _data->psz_cue_name = NULL; - _data->gen.data_source = NULL; - _data->gen.source_name = NULL; - - ret = cdio_new ((void *)_data, &_funcs); - - if (ret == NULL) { - free(_data); - return NULL; - } - - if (!cdio_is_tocfile(psz_cue_name)) { - cdio_debug ("source name %s is not recognized as a TOC file", - psz_cue_name); - return NULL; - } - - _set_arg_image (_data, "cue", psz_cue_name); - _set_arg_image (_data, "source", psz_cue_name); - - if (_init_cdrdao(_data)) { - return ret; - } else { - _free_image(_data); - free(ret); - return NULL; - } -} - -bool -cdio_have_cdrdao (void) -{ - return true; -} |