1 /*
2 * Copyright (c) 2011-2012 - Mauro Carvalho Chehab
3 * Copyright (c) 2012 - Andre Roth <neolynx@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation version 2.1 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18 *
19 */
20
21 #include <libdvbv5/desc_frequency_list.h>
22 #include <libdvbv5/dvb-fe.h>
23
24 #if __GNUC__ >= 9
25 #pragma GCC diagnostic ignored "-Waddress-of-packed-member"
26 #endif
27
dvb_desc_frequency_list_init(struct dvb_v5_fe_parms * parms,const uint8_t * buf,struct dvb_desc * desc)28 int dvb_desc_frequency_list_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc)
29 {
30 struct dvb_desc_frequency_list *d = (struct dvb_desc_frequency_list *) desc;
31 size_t len;
32 int i;
33 const uint8_t *p = buf;
34
35 len = sizeof(*d) - offsetof(struct dvb_desc_frequency_list, bitfield);
36 memcpy(&d->bitfield, p, len);
37 p += len;
38
39 d->frequencies = (d->length - len) / sizeof(d->frequency[0]);
40
41 d->frequency = calloc(d->frequencies, sizeof(*d->frequency));
42
43 for (i = 0; i < d->frequencies; i++) {
44 d->frequency[i] = ((uint32_t *) p)[i];
45 bswap32(d->frequency[i]);
46 switch (d->freq_type) {
47 case 1: /* satellite - to get kHz */
48 case 3: /* terrestrial - to get Hz */
49 d->frequency[i] *= 10;
50 break;
51 case 2: /* cable - to get Hz */
52 d->frequency[i] *= 100;
53 break;
54 case 0: /* not defined */
55 default:
56 break;
57 }
58 }
59 return 0;
60 }
61
dvb_desc_frequency_list_print(struct dvb_v5_fe_parms * parms,const struct dvb_desc * desc)62 void dvb_desc_frequency_list_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
63 {
64 const struct dvb_desc_frequency_list *d = (const struct dvb_desc_frequency_list *) desc;
65 dvb_loginfo("| type: %d", d->freq_type);
66 int i = 0;
67
68 for (i = 0; i < d->frequencies; i++) {
69 dvb_loginfo("| frequency : %u", d->frequency[i]);
70 }
71 }
72
73