vbi_sliced_filter *
vbi_sliced_filter_new (vbi_sliced_filter_cb *callback,
void * user_data)
{
vbi_sliced_filter *sf;
sf = vbi_malloc (sizeof (*sf));
if (NULL == sf) {
return NULL;
}
CLEAR (*sf);
sf->keep_ttx_pages = vbi_page_table_new ();
if (NULL == sf->keep_ttx_pages) {
vbi_free (sf);
return NULL;
}
vbi_sliced_filter_reset (sf);
sf->callback = callback;
sf->user_data = user_data;
return sf;
}
vbi_capture *
vbi_capture_dvb_new2 (const char * device_name,
unsigned int pid,
char ** errstr,
vbi_bool trace)
{
char *error = NULL;
int saved_errno;
vbi_capture_dvb *dvb;
pthread_once (&vbi_init_once, vbi_init);
if (NULL == errstr)
errstr = &error;
*errstr = NULL;
dvb = vbi_malloc (sizeof (*dvb));
if (NULL == dvb)
goto no_memory;
CLEAR (*dvb);
dvb->capture.read = dvb_read;
dvb->capture.sampling_point = NULL;
dvb->capture.debug = NULL;
dvb->capture.parameters = dvb_parameters;
dvb->capture.update_services = dvb_update_services;
dvb->capture.get_scanning = NULL;
dvb->capture.flush = dvb_flush;
dvb->capture.get_fd = dvb_get_fd;
dvb->capture.get_fd_flags = dvb_get_fd_flags;
dvb->capture.set_video_path = NULL;
dvb->capture._delete = dvb_delete;
dvb->fd = -1;
dvb->do_trace = trace;
dvb->demux = vbi_dvb_pes_demux_new (/* callback */ NULL,
/* user_data */ NULL);
if (NULL == dvb->demux)
goto no_memory;
if (!open_device (dvb, device_name, errstr)) {
saved_errno = errno;
goto failed;
}
printv ("Opened device %s\n", device_name);
if (0 != pid) {
if (-1 == vbi_capture_dvb_filter (&dvb->capture, pid)) {
saved_errno = errno;
asprintf (errstr, _("DMX_SET_PES_FILTER failed: %s."),
strerror (errno));
goto failed;
}
}
dvb_flush (&dvb->capture);
if (errstr == &error) {
free (error);
error = NULL;
}
return &dvb->capture;
no_memory:
asprintf (errstr, _("Virtual memory exhausted."));
saved_errno = ENOMEM;
/* fall through */
failed:
if (NULL != dvb) {
dvb_delete (&dvb->capture);
dvb = NULL;
}
if (errstr == &error) {
free (error);
error = NULL;
}
errno = saved_errno;
return NULL;
}