/*
Copyright (C) 2005-2006, 2008, 2011, 2014 Rocky Bernstein <rocky@gnu.org>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* Simple program to show using libcdio's version of cdparanoia. */
#ifdef HAVE_CONFIG_H
# include "config.h"
# define __CDIO_CONFIG_H__ 1
#endif
#include <cdio/paranoia/cdda.h>
#include <cdio/paranoia/paranoia.h>
#include <cdio/cd_types.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef WORDS_BIGENDIAN
#define BIGENDIAN 1
#else
#define BIGENDIAN 0
#endif
#define SKIP_TEST_RC 77
#define MAX_SECTORS 50
static uint8_t audio_buf[MAX_SECTORS][CDIO_CD_FRAMESIZE_RAW] = { {0}, };
static paranoia_cb_mode_t audio_status[MAX_SECTORS];
static unsigned int i = 0;
static void
callback(long int inpos, paranoia_cb_mode_t function)
{
audio_status[i] = function;
}
int
main(int argc, const char *argv[])
{
cdrom_drive_t *d = NULL; /* Place to store handle given by cd-parapnioa. */
driver_id_t driver_id;
char **ppsz_cd_drives; /* List of all drives with a loaded CDDA in it. */
int i_rc=0;
/* See if we can find a device with a loaded CD-DA in it. If successful
drive_id will be set. */
ppsz_cd_drives = cdio_get_devices_with_cap_ret(NULL, CDIO_FS_AUDIO, false,
&driver_id);
if (ppsz_cd_drives && *ppsz_cd_drives) {
/* Found such a CD-ROM with a CD-DA loaded. Use the first drive in
the list. */
d=cdda_identify(*ppsz_cd_drives, 1, NULL);
} else {
printf("-- Unable find or access a CD-ROM drive with an audio CD in it.\n");
exit(SKIP_TEST_RC);
}
/** We had a bug in is_device when driver_id == DRIVER_UNKNOWN or
DRIVER_DEVICE. Let's make sure we've fixed that problem. **/
if (!cdio_is_device(*ppsz_cd_drives, DRIVER_UNKNOWN) ||
!cdio_is_device(*ppsz_cd_drives, DRIVER_DEVICE))
exit(99);
/* Don't need a list of CD's with CD-DA's any more. */
cdio_free_device_list(ppsz_cd_drives);
/* We'll set for verbose paranoia messages. */
cdda_verbose_set(d, CDDA_MESSAGE_PRINTIT, CDDA_MESSAGE_PRINTIT);
if ( 0 != cdio_cddap_open(d) ) {
printf("Unable to open disc.\n");
exit(SKIP_TEST_RC);
}
/* Okay now set up to read up to the first 300 frames of the first
audio track of the Audio CD. */
{
cdrom_paranoia_t *p = paranoia_init(d);
lsn_t i_first_lsn = cdda_disc_firstsector(d);
if ( -1 == i_first_lsn ) {
printf("Trouble getting starting LSN\n");
} else {
lsn_t i_lsn; /* Current LSN to read */
lsn_t i_last_lsn = cdda_disc_lastsector(d);
unsigned int i_sectors = i_last_lsn - i_first_lsn + 1;
unsigned int j;
unsigned int i_good = 0;
unsigned int i_bad = 0;
/* Set reading mode for full paranoia, but allow skipping sectors. */
paranoia_modeset(p, PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);
for ( j=0; j<10; j++ ) {
/* Pick a place to start reading. */
i_lsn = i_first_lsn + (rand() % i_sectors);
paranoia_seek(p, i_lsn, SEEK_SET);
printf("-- Testing %d sectors starting at %ld\n",
MAX_SECTORS, (long int) i_lsn);
for ( i = 0;
i < MAX_SECTORS && i_lsn <= i_last_lsn;
i++, i_lsn++ ) {
/* read a sector */
int16_t *p_readbuf = paranoia_read(p, callback);
char *psz_err=cdio_cddap_errors(d);
char *psz_mes=cdio_cddap_messages(d);
memcpy(audio_buf[i], p_readbuf, CDIO_CD_FRAMESIZE_RAW);
if (psz_mes || psz_err)
printf("%s%s\n", psz_mes ? psz_mes: "", psz_err ? psz_err: "");
cdio_cddap_free_messages(psz_err);
cdio_cddap_free_messages(psz_mes);
if( !p_readbuf ) {
printf("paranoia read error. Stopping.\n");
goto out;
}
}
/* Compare with the sectors from paranoia. */
i_lsn -= MAX_SECTORS;
for ( i = 0; i < MAX_SECTORS; i++, i_lsn++ ) {
uint8_t readbuf[CDIO_CD_FRAMESIZE_RAW] = {0,};
if ( PARANOIA_CB_READ == audio_status[i] ||
PARANOIA_CB_VERIFY == audio_status[i] ) {
/* We read the block via paranoia without an error. */
if ( 0 == cdio_read_audio_sector(d->p_cdio, readbuf, i_lsn) ) {
if ( BIGENDIAN != d->bigendianp ) {
/* We will compare in the slow, pedantic way*/
int j;
for (j=0; j < CDIO_CD_FRAMESIZE_RAW ; j +=2) {
if (audio_buf[i][j] != readbuf[j+1] &&
audio_buf[i][j+1] != readbuf[j] ) {
printf("LSN %ld doesn't match\n", (long int) i_lsn);
i_bad++;
} else {
i_good++;
}
}
} else {
if ( 0 != memcmp(audio_buf[i], readbuf,
CDIO_CD_FRAMESIZE_RAW) ) {
printf("LSN %ld doesn't match\n", (long int) i_lsn);
i_bad++;
} else {
i_good++;
}
}
}
} else {
printf("Skipping LSN %ld because of status: %s\n",
(long int) i_lsn, paranoia_cb_mode2str[audio_status[i]]);
}
}
}
printf("-- %u sectors compared okay %u sectors were different\n",
i_good, i_bad);
if (i_bad > i_good) i_rc = 1;
}
out: paranoia_free(p);
}
cdio_cddap_close(d);
exit(i_rc);
}