static int read_toc(vcd_priv * priv, char ** iso_label)
{
int i, j;
cdio_iso_analysis_t iso;
cdio_fs_anal_t fs;
int first_track;
priv->num_tracks = cdio_get_last_track_num(priv->cdio);
if(priv->num_tracks == CDIO_INVALID_TRACK)
{
return 0;
}
/* VCD needs at least 2 tracks */
if(priv->num_tracks < 2)
return 0;
priv->tracks = calloc(priv->num_tracks, sizeof(*(priv->tracks)));
priv->num_video_tracks = 0;
first_track = cdio_get_first_track_num(priv->cdio);
if(iso_label)
{
fs = cdio_guess_cd_type(priv->cdio, 0, first_track,
&iso);
/* Remove trailing spaces */
j = strlen(iso.iso_label)-1;
while(j)
{
if(!isspace(iso.iso_label[j]))
break;
j--;
}
if(!j && isspace(iso.iso_label[j]))
iso.iso_label[j] = '\0';
else
iso.iso_label[j+1] = '\0';
*iso_label = gavl_strdup(iso.iso_label);
priv->tracks[first_track - 1].mode = TRACK_OTHER;
}
/* Actually it's (first_track - 1) + 1 */
for(i = first_track; i < priv->num_tracks; i++)
{
priv->tracks[i].start_sector = cdio_get_track_lsn(priv->cdio, i+1);
priv->tracks[i].end_sector = cdio_get_track_last_lsn(priv->cdio, i+1);
fs = cdio_guess_cd_type(priv->cdio, 0, i+1, &iso);
if(fs & CDIO_FS_ANAL_VIDEOCD)
{
priv->num_video_tracks++;
priv->tracks[i].mode = TRACK_VCD;
}
else if(fs & CDIO_FS_ANAL_SVCD)
{
priv->num_video_tracks++;
priv->tracks[i].mode = TRACK_SVCD;
}
else if(fs & CDIO_FS_ANAL_CVD)
{
priv->tracks[i].mode = TRACK_CVD;
priv->num_video_tracks++;
}
else if(fs & CDIO_FS_ANAL_ISO9660_ANY)
{
priv->tracks[i].mode = TRACK_VCD;
priv->num_video_tracks++;
}
}
if(!priv->num_video_tracks)
{
free(priv->tracks);
priv->tracks = NULL;
return 0;
}
return 1;
}
int
main(int argc, const char *argv[])
{
CdIo_t *p_cdio;
cdio_fs_anal_t fs=0;
track_t num_tracks;
track_t first_track_num;
lsn_t start_track; /* first sector of track */
lsn_t data_start =0; /* start of data area */
int first_data = -1; /* # of first data track */
int first_audio = -1; /* # of first audio track */
unsigned int num_data = 0; /* # of data tracks */
unsigned int num_audio = 0; /* # of audio tracks */
unsigned int i;
char *cd_image_name = NULL;
if (argc > 1)
cd_image_name = strdup(argv[1]);
cdio_log_set_handler (log_handler);
p_cdio = cdio_open (cd_image_name, DRIVER_UNKNOWN);
if (NULL == p_cdio) {
printf("-- Problem in trying to find a driver.\n\n");
free(cd_image_name);
return 77;
}
first_track_num = cdio_get_first_track_num(p_cdio);
num_tracks = cdio_get_num_tracks(p_cdio);
/* Count the number of data and audio tracks. */
for (i = first_track_num; i <= num_tracks; i++) {
if (TRACK_FORMAT_AUDIO == cdio_get_track_format(p_cdio, i)) {
num_audio++;
if (-1 == first_audio) first_audio = i;
} else {
num_data++;
if (-1 == first_data) first_data = i;
}
}
/* try to find out what sort of CD we have */
if (0 == num_data) {
printf("-- Audio CD\n");
} else {
/* we have data track(s) */
cdio_iso_analysis_t cdio_iso_analysis;
memset(&cdio_iso_analysis, 0, sizeof(cdio_iso_analysis));
for (i = first_data; i <= num_tracks; i++) {
lsn_t lsn;
track_format_t track_format = cdio_get_track_format(p_cdio, i);
lsn = cdio_get_track_lsn(p_cdio, i);
switch ( track_format ) {
case TRACK_FORMAT_AUDIO:
case TRACK_FORMAT_ERROR:
break;
case TRACK_FORMAT_CDI:
case TRACK_FORMAT_XA:
case TRACK_FORMAT_DATA:
case TRACK_FORMAT_PSX:
;
}
start_track = (i == 1) ? 0 : lsn;
/* save the start of the data area */
if (i == first_data)
data_start = start_track;
/* skip tracks which belong to the current walked session */
if (start_track < data_start + cdio_iso_analysis.isofs_size)
continue;
fs = cdio_guess_cd_type(p_cdio, start_track, i, &cdio_iso_analysis);
print_analysis(cdio_iso_analysis, fs, first_data, num_audio);
if ( !(CDIO_FSTYPE(fs) == CDIO_FS_ISO_9660 ||
CDIO_FSTYPE(fs) == CDIO_FS_ISO_HFS ||
CDIO_FSTYPE(fs) == CDIO_FS_ISO_9660_INTERACTIVE) )
/* no method for non-ISO9660 multisessions */
break;
}
}
free(cd_image_name);
cdio_destroy(p_cdio);
return 0;
}
