aboutsummaryrefslogtreecommitdiffhomepage
path: root/stream/dvb_tune.c
blob: b438cac5f86018025fb9bb23e30f45db61592c89 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
/* dvbtune - tune.c

   Copyright (C) Dave Chapman 2001,2002

   Modified for use with MPlayer, for details see the changelog at
   http://svn.mplayerhq.hu/mplayer/trunk/
   $Id$

   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 2
   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, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   Or, point your browser to http://www.gnu.org/copyleft/gpl.html

*/

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>
#include <errno.h>
#include "config.h"

#ifdef HAVE_DVB_HEAD
	#include <linux/dvb/dmx.h>
	#include <linux/dvb/frontend.h>
#else
	#include <ost/dmx.h>
	#include <ost/sec.h>
	#include <ost/frontend.h>
#endif

#include "dvbin.h"
#include "mp_msg.h"



int dvb_get_tuner_type(int fe_fd)
{
#ifdef HAVE_DVB_HEAD
  struct dvb_frontend_info fe_info;
#else
  FrontendInfo fe_info;
#endif

  int res;

  res = ioctl(fe_fd, FE_GET_INFO, &fe_info);
  if(res < 0)
  {
  	mp_msg(MSGT_DEMUX, MSGL_ERR, "FE_GET_INFO error: %d, FD: %d\n\n", errno, fe_fd);
	return 0;
  }

  switch(fe_info.type)
  {
	case FE_OFDM:
      mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-T\n");
	  return TUNER_TER;

	case FE_QPSK:
      mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-S\n");
	  return TUNER_SAT;

	case FE_QAM:
      mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-C\n");
	  return TUNER_CBL;

#ifdef DVB_ATSC
	case FE_ATSC:
      mp_msg(MSGT_DEMUX, MSGL_V, "TUNER TYPE SEEMS TO BE DVB-ATSC\n");
	  return TUNER_ATSC;
#endif
	default:
	  mp_msg(MSGT_DEMUX, MSGL_ERR, "UNKNOWN TUNER TYPE\n");
	  return 0;
  }

}

int dvb_set_ts_filt(int fd, uint16_t pid, dmx_pes_type_t pestype);

int dvb_open_devices(dvb_priv_t *priv, int n, int demux_cnt)
{
	int i;
	char frontend_dev[32], dvr_dev[32], demux_dev[32], sec_dev[32];

#ifdef HAVE_DVB_HEAD
	sprintf(frontend_dev, "/dev/dvb/adapter%d/frontend0", n);
	sprintf(dvr_dev, "/dev/dvb/adapter%d/dvr0", n);
	sprintf(demux_dev, "/dev/dvb/adapter%d/demux0", n);
#else
	sprintf(frontend_dev, "/dev/ost/frontend%d", n);
	sprintf(dvr_dev, "/dev/ost/dvr%d", n);
	sprintf(demux_dev, "/dev/ost/demux%d", n);
	sprintf(sec_dev, "/dev/ost/sec%d", n);
#endif
	priv->fe_fd = open(frontend_dev, O_RDWR | O_NONBLOCK);
	if(priv->fe_fd < 0)
	{
		mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING FRONTEND DEVICE %s: ERRNO %d\n", frontend_dev, errno);
		return 0;
	}
#ifdef HAVE_DVB_HEAD
	priv->sec_fd=0;
#else
	priv->sec_fd = open(sec_dev, O_RDWR);
	if(priv->sec_fd < 0)
	{
		mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING SEC DEVICE %s: ERRNO %d\n", sec_dev, errno);
		close(priv->fe_fd);
		return 0;
	}
#endif
	priv->demux_fds_cnt = 0;
	mp_msg(MSGT_DEMUX, MSGL_V, "DVB_OPEN_DEVICES(%d)\n", demux_cnt);
	for(i = 0; i < demux_cnt; i++)
	{
		priv->demux_fds[i] = open(demux_dev, O_RDWR | O_NONBLOCK);
		if(priv->demux_fds[i] < 0)
		{
			mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 0: %d\n", errno);
			return 0;
		}
		else
		{
			mp_msg(MSGT_DEMUX, MSGL_V, "OPEN(%d), file %s: FD=%d, CNT=%d\n", i, demux_dev, priv->demux_fds[i], priv->demux_fds_cnt);
			priv->demux_fds_cnt++;
		}
	}


	priv->dvr_fd = open(dvr_dev, O_RDONLY| O_NONBLOCK);
	if(priv->dvr_fd < 0)
	{
		mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DVR DEVICE %s: %d\n", dvr_dev, errno);
		return 0;
	}

	return 1;
}


int dvb_fix_demuxes(dvb_priv_t *priv, int cnt)
{
	int i;
	char demux_dev[32];

#ifdef HAVE_DVB_HEAD
	sprintf(demux_dev, "/dev/dvb/adapter%d/demux0", priv->card);
#else
	sprintf(demux_dev, "/dev/ost/demux%d", priv->card);
#endif
	
	mp_msg(MSGT_DEMUX, MSGL_V, "FIX %d -> %d\n", priv->demux_fds_cnt, cnt);
	if(priv->demux_fds_cnt >= cnt)
	{
		for(i = priv->demux_fds_cnt-1; i >= cnt; i--)
		{
			mp_msg(MSGT_DEMUX, MSGL_V, "FIX, CLOSE fd(%d): %d\n", i, priv->demux_fds[i]);
			close(priv->demux_fds[i]);
		}
		priv->demux_fds_cnt = cnt;
	}
	else if(priv->demux_fds_cnt < cnt)
	{
		for(i = priv->demux_fds_cnt; i < cnt; i++)
		{
			priv->demux_fds[i] = open(demux_dev, O_RDWR | O_NONBLOCK);
			mp_msg(MSGT_DEMUX, MSGL_V, "FIX, OPEN fd(%d): %d\n", i, priv->demux_fds[i]);
			if(priv->demux_fds[i] < 0)
			{
				mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR OPENING DEMUX 0: %d\n", errno);
				return 0;
			}
			else
				priv->demux_fds_cnt++;
		}	
	}
	
	return 1;
}

int dvb_set_ts_filt(int fd, uint16_t pid, dmx_pes_type_t pestype)
{
	int i;
	struct dmx_pes_filter_params pesFilterParams;

	pesFilterParams.pid     = pid;
	pesFilterParams.input   = DMX_IN_FRONTEND;
	pesFilterParams.output  = DMX_OUT_TS_TAP;
#ifdef HAVE_DVB_HEAD
	pesFilterParams.pes_type = pestype;
#else
	pesFilterParams.pesType = pestype;
#endif

	pesFilterParams.flags   = DMX_IMMEDIATE_START;

	errno = 0;
	if ((i = ioctl(fd, DMX_SET_PES_FILTER, &pesFilterParams)) < 0)
	{
		mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR IN SETTING DMX_FILTER %i for fd %d: ERRNO: %d", pid, fd, errno);
		return 0;
	}

	mp_msg(MSGT_DEMUX, MSGL_V, "SET PES FILTER ON PID %d to fd %d, RESULT: %d, ERRNO: %d\n", pid, fd, i, errno);
	return 1;
}


int dvb_demux_stop(int fd)
{
	int i;
	i = ioctl(fd, DMX_STOP);

	mp_msg(MSGT_DEMUX, MSGL_DBG2, "STOPPING FD: %d, RESULT: %d\n", fd, i);

	return (i==0);
}


int dvb_demux_start(int fd)
{
	int i;
	i = ioctl(fd, DMX_START);

	mp_msg(MSGT_DEMUX, MSGL_DBG2, "STARTING FD: %d, RESULT: %d\n", fd, i);

	return (i==0);
}


static int tune_it(int fd_frontend, int fd_sec, unsigned int freq, unsigned int srate, char pol, int tone,
	fe_spectral_inversion_t specInv, unsigned int diseqc, fe_modulation_t modulation, fe_code_rate_t HP_CodeRate,
	fe_transmit_mode_t TransmissionMode, fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth,
	fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int tmout);


int dvb_tune(dvb_priv_t *priv, int freq, char pol, int srate, int diseqc, int tone,
		fe_spectral_inversion_t specInv, fe_modulation_t modulation, fe_guard_interval_t guardInterval,
		fe_transmit_mode_t TransmissionMode, fe_bandwidth_t bandWidth, fe_code_rate_t HP_CodeRate,
		fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int timeout)
{
	int ris;

	mp_msg(MSGT_DEMUX, MSGL_INFO, "dvb_tune Freq: %lu\n", (long unsigned int) freq);

		ris = tune_it(priv->fe_fd, priv->sec_fd, freq, srate, pol, tone, specInv, diseqc, modulation, HP_CodeRate, TransmissionMode, guardInterval, bandWidth, LP_CodeRate, hier, timeout);

	if(ris != 0)
		mp_msg(MSGT_DEMUX, MSGL_INFO, "dvb_tune, TUNING FAILED\n");

	return (ris == 0);
}


#ifndef HAVE_DVB_HEAD
static int SecGetStatus (int fd, struct secStatus *state)
{
    if(ioctl(fd, SEC_GET_STATUS, state) < 0)
    {
        mp_msg(MSGT_DEMUX, MSGL_ERR, ("SEC GET STATUS: "));
        return -1;
    }

    switch (state->busMode)
    {
	case SEC_BUS_IDLE:
    	    mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  IDLE (%d)\n",state->busMode);
    	    break;
	case SEC_BUS_BUSY:
    	    mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  BUSY (%d)\n",state->busMode);
	    break;
        case SEC_BUS_OFF:
	    mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  OFF  (%d)\n",state->busMode);
    	    break;
        case SEC_BUS_OVERLOAD:
	    mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  OVERLOAD (%d)\n",state->busMode);
    	    break;
	default:
    	    mp_msg(MSGT_DEMUX, MSGL_V, "SEC BUS MODE:  unknown  (%d)\n",state->busMode);
            break;
    }

    switch (state->selVolt)
    {
	case SEC_VOLTAGE_OFF:
		mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  OFF (%d)\n",state->selVolt);
		break;
	case SEC_VOLTAGE_LT:
		mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  LT  (%d)\n",state->selVolt);
		break;
	case SEC_VOLTAGE_13:
		mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  13  (%d)\n",state->selVolt);
		break;
	case SEC_VOLTAGE_13_5:
		mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  13.5 (%d)\n",state->selVolt);
		break;
	case SEC_VOLTAGE_18:
		mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  18 (%d)\n",state->selVolt);
		break;
	case SEC_VOLTAGE_18_5:
		mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  18.5 (%d)\n",state->selVolt);
		break;
	default:
		mp_msg(MSGT_DEMUX, MSGL_V, "SEC VOLTAGE:  unknown (%d)\n",state->selVolt);
		break;
    }

    mp_msg(MSGT_DEMUX, MSGL_V, "SEC CONT TONE: %s\n", (state->contTone == SEC_TONE_ON ? "ON" : "OFF"));
    return 0;
}

#endif

static void print_status(fe_status_t festatus)
{
	mp_msg(MSGT_DEMUX, MSGL_V, "FE_STATUS:");
	if (festatus & FE_HAS_SIGNAL) mp_msg(MSGT_DEMUX, MSGL_V," FE_HAS_SIGNAL");
#ifdef HAVE_DVB_HEAD
	if (festatus & FE_TIMEDOUT) mp_msg(MSGT_DEMUX, MSGL_V, " FE_TIMEDOUT");
#else
	if (festatus & FE_HAS_POWER) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_POWER");
	if (festatus & FE_SPECTRUM_INV) mp_msg(MSGT_DEMUX, MSGL_V, " FE_SPECTRUM_INV");
	if (festatus & FE_TUNER_HAS_LOCK) mp_msg(MSGT_DEMUX, MSGL_V, " FE_TUNER_HAS_LOCK");
#endif
	if (festatus & FE_HAS_LOCK) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_LOCK");
	if (festatus & FE_HAS_CARRIER) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_CARRIER");
	if (festatus & FE_HAS_VITERBI) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_VITERBI");
	if (festatus & FE_HAS_SYNC) mp_msg(MSGT_DEMUX, MSGL_V, " FE_HAS_SYNC");
	mp_msg(MSGT_DEMUX, MSGL_V, "\n");
}


#ifdef HAVE_DVB_HEAD
static int check_status(int fd_frontend, int tmout)
{
	int32_t strength;
	fe_status_t festatus;
	struct pollfd pfd[1];
	int ok=0, locks=0;
	time_t tm1, tm2;

	pfd[0].fd = fd_frontend;
	pfd[0].events = POLLPRI;

	mp_msg(MSGT_DEMUX, MSGL_V, "Getting frontend status\n");
	tm1 = tm2 = time((time_t*) NULL);
	while(!ok)
	{
		festatus = 0;
		if(poll(pfd,1,tmout*1000) > 0)
		{
			if (pfd[0].revents & POLLPRI)
			{
				if(ioctl(fd_frontend, FE_READ_STATUS, &festatus) >= 0)
					if(festatus & FE_HAS_LOCK)
						locks++;
			}
		}
		usleep(10000);
		tm2 = time((time_t*) NULL);
		if((festatus & FE_TIMEDOUT) || (locks >= 2) || (tm2 - tm1 >= tmout))
			ok = 1;
	}

	if(festatus & FE_HAS_LOCK)
	{
		strength=0;
		if(ioctl(fd_frontend,FE_READ_BER,&strength) >= 0)
		mp_msg(MSGT_DEMUX, MSGL_V, "Bit error rate: %d\n",strength);

		strength=0;
		if(ioctl(fd_frontend,FE_READ_SIGNAL_STRENGTH,&strength) >= 0)
		mp_msg(MSGT_DEMUX, MSGL_V, "Signal strength: %d\n",strength);

		strength=0;
		if(ioctl(fd_frontend,FE_READ_SNR,&strength) >= 0)
		mp_msg(MSGT_DEMUX, MSGL_V, "SNR: %d\n",strength);

		strength=0;
		if(ioctl(fd_frontend,FE_READ_UNCORRECTED_BLOCKS,&strength) >= 0)
		mp_msg(MSGT_DEMUX, MSGL_V, "UNC: %d\n",strength);
		
		print_status(festatus);
	}
	else
	{
		mp_msg(MSGT_DEMUX, MSGL_ERR, "Not able to lock to the signal on the given frequency, timeout: %d\n", tmout);
		return -1;
	}
	return 0;
}

#else

static int check_status(int fd_frontend, int tmout)
{
	int i,res;
	int32_t strength;
	fe_status_t festatus;
	FrontendEvent event;
	
	struct pollfd pfd[1];

	i = 0; res = -1;
	while ((i < 3) && (res < 0))
	{
		pfd[0].fd = fd_frontend;
		pfd[0].events = POLLIN | POLLPRI;

		if(poll(pfd,1,tmout*1000) > 0)
		{
			if (pfd[0].revents & POLLPRI)
			{
				mp_msg(MSGT_DEMUX, MSGL_V, "Getting frontend event\n");
				if ( ioctl(fd_frontend, FE_GET_EVENT, &event) < 0)
				{
					mp_msg(MSGT_DEMUX, MSGL_ERR, "FE_GET_EVENT");
					return -1;
				}
				mp_msg(MSGT_DEMUX, MSGL_V, "Received ");
				switch(event.type)
				{
					case FE_UNEXPECTED_EV:
					mp_msg(MSGT_DEMUX, MSGL_V, "unexpected event\n");
					res = -1;
					break;

					case FE_FAILURE_EV:
					mp_msg(MSGT_DEMUX, MSGL_V, "failure event\n");
					res = -1;
					break;

					case FE_COMPLETION_EV:
					mp_msg(MSGT_DEMUX, MSGL_V, "completion event\n");
					res = 0;
					break;
				}
			}
			i++;
		}
	}

	if (res > 0)
	switch (event.type)
	{
		case FE_UNEXPECTED_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_UNEXPECTED_EV\n");
			break;
		case FE_COMPLETION_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_COMPLETION_EV\n");
			break;
		case FE_FAILURE_EV: mp_msg(MSGT_DEMUX, MSGL_V, "FE_FAILURE_EV\n");
			break;
	}

	if (event.type == FE_COMPLETION_EV)
	{
		strength=0;
		if(ioctl(fd_frontend,FE_READ_BER,&strength) >= 0)
		mp_msg(MSGT_DEMUX, MSGL_V, "Bit error rate: %d\n",strength);

		strength=0;
		if(ioctl(fd_frontend,FE_READ_SIGNAL_STRENGTH,&strength) >= 0)
		mp_msg(MSGT_DEMUX, MSGL_V, "Signal strength: %d\n",strength);

		strength=0;
		if(ioctl(fd_frontend,FE_READ_SNR,&strength) >= 0)
		mp_msg(MSGT_DEMUX, MSGL_V, "SNR: %d\n",strength);

		festatus=0;
		mp_msg(MSGT_DEMUX, MSGL_V, "FE_STATUS:");
		
		if(ioctl(fd_frontend,FE_READ_STATUS,&festatus) >= 0)
			print_status(festatus);
		else
			mp_msg(MSGT_DEMUX, MSGL_ERR, " ERROR, UNABLE TO READ_STATUS");
		    
		mp_msg(MSGT_DEMUX, MSGL_V, "\n");
	}
	else
	{
		mp_msg(MSGT_DEMUX, MSGL_V, "Not able to lock to the signal on the given frequency\n");
		return -1;
	}
	return 0;
}
#endif

#ifdef HAVE_DVB_HEAD

struct diseqc_cmd {
   struct dvb_diseqc_master_cmd cmd;
   uint32_t wait;
};

static int diseqc_send_msg(int fd, fe_sec_voltage_t v, struct diseqc_cmd *cmd,
		     fe_sec_tone_mode_t t, fe_sec_mini_cmd_t b)
{
   if(ioctl(fd, FE_SET_TONE, SEC_TONE_OFF) == -1)
    return -1;
   if(ioctl(fd, FE_SET_VOLTAGE, v) == -1)
    return -1;
   usleep(15 * 1000);
   if(ioctl(fd, FE_DISEQC_SEND_MASTER_CMD, &cmd->cmd) == -1)
    return -1;
   usleep(cmd->wait * 1000);
   usleep(15 * 1000);
   if(ioctl(fd, FE_DISEQC_SEND_BURST, b) == -1)
    return -1;
   usleep(15 * 1000);
   if(ioctl(fd, FE_SET_TONE, t) == -1)
    return -1;

    return 0;
}

/* digital satellite equipment control,
 * specification is available from http://www.eutelsat.com/
 */
static int do_diseqc(int secfd, int sat_no, int polv, int hi_lo)
{
   struct diseqc_cmd cmd =  { {{0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, 4}, 0 };

   /* param: high nibble: reset bits, low nibble set bits,
    * bits are: option, position, polarizaion, band
    */
   cmd.cmd.msg[3] =
       0xf0 | (((sat_no * 4) & 0x0f) | (hi_lo ? 1 : 0) | (polv ? 0 : 2));

   return diseqc_send_msg(secfd, polv ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18,
		   &cmd, hi_lo ? SEC_TONE_ON : SEC_TONE_OFF,
		   (sat_no / 4) % 2 ? SEC_MINI_B : SEC_MINI_A);
}

#else

static int do_diseqc(int secfd, int sat_no, int polv, int hi_lo)
{
	struct secCommand scmd;
        struct secCmdSequence scmds;

        scmds.continuousTone = (hi_lo ? SEC_TONE_ON : SEC_TONE_OFF);
        scmds.voltage = (polv ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18);
        scmds.miniCommand = SEC_MINI_NONE;

        scmd.type = SEC_CMDTYPE_DISEQC;
        scmds.numCommands = 1;
        scmds.commands = &scmd;

        scmd.u.diseqc.addr = 0x10;
        scmd.u.diseqc.cmd = 0x38;
        scmd.u.diseqc.numParams = 1;
        scmd.u.diseqc.params[0] = 0xf0 |
                                  (((sat_no) << 2) & 0x0F) |
				  (hi_lo ? 1 : 0) |
                                  (polv ? 0 : 2); 

        if (ioctl(secfd,SEC_SEND_SEQUENCE,&scmds) < 0)
	{
          mp_msg(MSGT_DEMUX, MSGL_ERR, "Error sending DisEqC");
          return -1;
        }
	
	return 0;
}
#endif

static int tune_it(int fd_frontend, int fd_sec, unsigned int freq, unsigned int srate, char pol, int tone,
	fe_spectral_inversion_t specInv, unsigned int diseqc, fe_modulation_t modulation, fe_code_rate_t HP_CodeRate,
	fe_transmit_mode_t TransmissionMode, fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth,
	fe_code_rate_t LP_CodeRate, fe_hierarchy_t hier, int timeout)
{
  int res, hi_lo, dfd;
#ifdef HAVE_DVB_HEAD
  struct dvb_frontend_parameters feparams;
  struct dvb_frontend_info fe_info;
#else
  FrontendParameters feparams;
  FrontendInfo fe_info;
  FrontendEvent event;
  struct secStatus sec_state;
#endif


  mp_msg(MSGT_DEMUX, MSGL_V,  "TUNE_IT, fd_frontend %d, fd_sec %d\nfreq %lu, srate %lu, pol %c, tone %i, specInv, diseqc %u, fe_modulation_t modulation,fe_code_rate_t HP_CodeRate, fe_transmit_mode_t TransmissionMode,fe_guard_interval_t guardInterval, fe_bandwidth_t bandwidth\n",
    fd_frontend, fd_sec, (long unsigned int)freq, (long unsigned int)srate, pol, tone, diseqc);


  memset(&feparams, 0, sizeof(feparams));
  if ( (res = ioctl(fd_frontend,FE_GET_INFO, &fe_info) < 0))
  {
        mp_msg(MSGT_DEMUX, MSGL_FATAL, "FE_GET_INFO FAILED\n");
        return -1;
  }


#ifdef HAVE_DVB_HEAD
  mp_msg(MSGT_DEMUX, MSGL_V, "Using DVB card \"%s\"\n", fe_info.name);
#endif

  switch(fe_info.type)
  {
    case FE_OFDM:
#ifdef HAVE_DVB_HEAD
      if (freq < 1000000) freq*=1000UL;
      feparams.frequency=freq;
      feparams.inversion=specInv;
      feparams.u.ofdm.bandwidth=bandwidth;
      feparams.u.ofdm.code_rate_HP=HP_CodeRate;
      feparams.u.ofdm.code_rate_LP=LP_CodeRate;
      feparams.u.ofdm.constellation=modulation;
      feparams.u.ofdm.transmission_mode=TransmissionMode;
      feparams.u.ofdm.guard_interval=guardInterval;
      feparams.u.ofdm.hierarchy_information=hier;
#else
      if (freq < 1000000) freq*=1000UL;
      feparams.Frequency=freq;
      feparams.Inversion=specInv;
      feparams.u.ofdm.bandWidth=bandwidth;
      feparams.u.ofdm.HP_CodeRate=HP_CodeRate;
      feparams.u.ofdm.LP_CodeRate=LP_CodeRate;
      feparams.u.ofdm.Constellation=modulation;
      feparams.u.ofdm.TransmissionMode=TransmissionMode;
      feparams.u.ofdm.guardInterval=guardInterval;
      feparams.u.ofdm.HierarchyInformation=hier;
#endif
      mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-T to %d Hz, bandwidth: %d\n",freq, bandwidth);
      break;
    case FE_QPSK:
      if (freq > 2200000)
      {
        // this must be an absolute frequency
        if (freq < SLOF)
        {
#ifdef HAVE_DVB_HEAD
          freq = feparams.frequency=(freq-LOF1);
#else
          freq = feparams.Frequency=(freq-LOF1);
#endif
          hi_lo = 0;
        }
        else
        {
#ifdef HAVE_DVB_HEAD
          freq = feparams.frequency=(freq-LOF2);
#else
          freq = feparams.Frequency=(freq-LOF2);
#endif
          hi_lo = 1;
        }
      }
      else
      {
        // this is an L-Band frequency
#ifdef HAVE_DVB_HEAD
       feparams.frequency=freq;
#else
       feparams.Frequency=freq;
#endif
      }

#ifdef HAVE_DVB_HEAD
      feparams.inversion=specInv;
      feparams.u.qpsk.symbol_rate=srate;
      feparams.u.qpsk.fec_inner=HP_CodeRate;
      dfd = fd_frontend;
#else
      feparams.Inversion=specInv;
      feparams.u.qpsk.SymbolRate=srate;
      feparams.u.qpsk.FEC_inner=HP_CodeRate;
      dfd = fd_sec;
#endif

      mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-S to Freq: %u, Pol: %c Srate: %d, 22kHz: %s, LNB:  %d\n",freq,pol,srate,hi_lo ? "on" : "off", diseqc);

      if(do_diseqc(dfd, diseqc, (pol == 'V' ? 1 : 0), hi_lo) == 0)
          mp_msg(MSGT_DEMUX, MSGL_V, "DISEQC SETTING SUCCEDED\n");
      else
      {
          mp_msg(MSGT_DEMUX, MSGL_ERR, "DISEQC SETTING FAILED\n");
          return -1;
      }
      break;
    case FE_QAM:
      mp_msg(MSGT_DEMUX, MSGL_V, "tuning DVB-C to %d, srate=%d\n",freq,srate);
#ifdef HAVE_DVB_HEAD
      feparams.frequency=freq;
      feparams.inversion=specInv;
      feparams.u.qam.symbol_rate = srate;
      feparams.u.qam.fec_inner = HP_CodeRate;
      feparams.u.qam.modulation = modulation;
#else
      feparams.Frequency=freq;
      feparams.Inversion=specInv;
      feparams.u.qam.SymbolRate = srate;
      feparams.u.qam.FEC_inner = HP_CodeRate;
      feparams.u.qam.QAM = modulation;
#endif
      break;
#ifdef DVB_ATSC
    case FE_ATSC:
      mp_msg(MSGT_DEMUX, MSGL_V, "tuning ATSC to %d, modulation=%d\n",freq,modulation);
      feparams.frequency=freq;
      feparams.u.vsb.modulation = modulation;
      break;
#endif
    default:
      mp_msg(MSGT_DEMUX, MSGL_V, "Unknown FE type. Aborting\n");
      return 0;
  }
  usleep(100000);

#ifndef HAVE_DVB_HEAD
  if (fd_sec) SecGetStatus(fd_sec, &sec_state);
  while(1)
  {
    if(ioctl(fd_frontend, FE_GET_EVENT, &event) == -1)
    break;
  }
#endif

  if(ioctl(fd_frontend,FE_SET_FRONTEND,&feparams) < 0)
  {
    mp_msg(MSGT_DEMUX, MSGL_ERR, "ERROR tuning channel\n");
    return -1;
  }

  return(check_status(fd_frontend, timeout));
}