int parse(const char *fname, const char *channel,
struct dvb_frontend_parameters *frontend, int *vpid, int *apid, int *sid)
{
int fd;
int err;
int tmp;
if ((fd = open(fname, O_RDONLY | O_NONBLOCK)) < 0) {
PERROR ("could not open file '%s'", fname);
perror ("");
return -1;
}
if (find_channel(fd, channel) < 0) {
ERROR("could not find channel '%s' in channel list", channel);
return -2;
}
if ((err = try_parse_int(fd, &tmp, "frequency")))
return -3;
frontend->frequency = tmp;
if ((err = try_parse_param(fd,
modulation_list, LIST_SIZE(modulation_list),
&tmp, "modulation")))
return -4;
frontend->u.vsb.modulation = tmp;
if ((err = try_parse_int(fd, vpid, "Video PID")))
return -5;
if ((err = try_parse_int(fd, apid, "Audio PID")))
return -6;
if ((err = try_parse_int(fd, sid, "Service ID")))
return -7;
close(fd);
return 0;
}
int parse(const char *fname, const char *channel,
struct dvb_frontend_parameters *frontend, int *vpid, int *apid,
int *sid)
{
int fd;
int err;
int tmp;
if ((fd = open(fname, O_RDONLY | O_NONBLOCK)) < 0) {
PERROR ("could not open file '%s'", fname);
perror ("");
return -1;
}
if (find_channel(fd, channel) < 0) {
ERROR("could not find channel '%s' in channel list", channel);
return -2;
}
if ((err = try_parse_int(fd, &tmp, "frequency")))
return -3;
frontend->frequency = tmp;
if ((err = try_parse_param(fd,
inversion_list, LIST_SIZE(inversion_list),
&tmp, "inversion")))
return -4;
frontend->inversion = tmp;
if ((err = try_parse_param(fd, bw_list, LIST_SIZE(bw_list),
&tmp, "bandwidth")))
return -5;
frontend->u.ofdm.bandwidth = tmp;
if ((err = try_parse_param(fd, fec_list, LIST_SIZE(fec_list),
&tmp, "code_rate_HP")))
return -6;
frontend->u.ofdm.code_rate_HP = tmp;
if (check_fec(&frontend->u.ofdm.code_rate_HP))
return -6;
if ((err = try_parse_param(fd, fec_list, LIST_SIZE(fec_list),
&tmp, "code_rate_LP")))
return -7;
frontend->u.ofdm.code_rate_LP = tmp;
if (check_fec(&frontend->u.ofdm.code_rate_LP))
return -7;
if ((err = try_parse_param(fd, constellation_list,
LIST_SIZE(constellation_list),
&tmp, "constellation")))
return -8;
frontend->u.ofdm.constellation = tmp;
if ((err = try_parse_param(fd, transmissionmode_list,
LIST_SIZE(transmissionmode_list),
&tmp, "transmission_mode")))
return -9;
frontend->u.ofdm.transmission_mode = tmp;
if ((err = try_parse_param(fd, guard_list, LIST_SIZE(guard_list),
&tmp, "guard_interval")))
return -10;
frontend->u.ofdm.guard_interval = tmp;
if ((err = try_parse_param(fd, hierarchy_list,
LIST_SIZE(hierarchy_list),
&tmp, "hierarchy_information")))
return -11;
frontend->u.ofdm.hierarchy_information = tmp;
if ((err = try_parse_int(fd, vpid, "Video PID")))
return -12;
if ((err = try_parse_int(fd, apid, "Audio PID")))
return -13;
if ((err = try_parse_int(fd, sid, "Service ID")))
return -14;
close(fd);
return 0;
}
