1 /*****************************************************************************
2 * access.c: DVB card input v4l2 only
3 *****************************************************************************
4 * Copyright (C) 1998-2004 VideoLAN
6 * Authors: Johan Bilien <jobi@via.ecp.fr>
7 * Jean-Paul Saman <jpsaman@wxs.nl>
8 * Christophe Massiot <massiot@via.ecp.fr>
9 * Laurent Aimar <fenrir@via.ecp.fr>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
31 #include <vlc/input.h>
38 #include <sys/types.h>
44 /*****************************************************************************
46 *****************************************************************************/
47 static int Open( vlc_object_t *p_this );
48 static void Close( vlc_object_t *p_this );
50 #define CACHING_TEXT N_("Caching value in ms")
51 #define CACHING_LONGTEXT N_( \
52 "Allows you to modify the default caching value for dvb streams. This " \
53 "value should be set in millisecond units." )
55 #define ADAPTER_TEXT N_("Adapter card to tune")
56 #define ADAPTER_LONGTEXT N_("Adapter cards have a device file in directory named /dev/dvb/adapter[n] with n>=0.")
58 #define DEVICE_TEXT N_("Device number to use on adapter")
59 #define DEVICE_LONGTEXT ""
61 #define FREQ_TEXT N_("Transponder/multiplex frequency")
62 #define FREQ_LONGTEXT N_("In kHz for DVB-S or Hz for DVB-C/T")
64 #define INVERSION_TEXT N_("Inversion mode")
65 #define INVERSION_LONGTEXT N_("Inversion mode [0=off, 1=on, 2=auto]")
67 #define PROBE_TEXT N_("Probe DVB card for capabilities")
68 #define PROBE_LONGTEXT N_("Some DVB cards do not like to be probed for their capabilities.")
70 #define LNB_LOF1_TEXT N_("Antenna lnb_lof1 (kHz)")
71 #define LNB_LOF1_LONGTEXT ""
73 #define LNB_LOF2_TEXT N_("Antenna lnb_lof2 (kHz)")
74 #define LNB_LOF2_LONGTEXT ""
76 #define LNB_SLOF_TEXT N_("Antenna lnb_slof (kHz)")
77 #define LNB_SLOF_LONGTEXT ""
80 #define BUDGET_TEXT N_("Budget mode")
81 #define BUDGET_LONGTEXT N_("This allows you to stream an entire transponder with a budget card.")
83 #define SATNO_TEXT N_("Satellite number in the Diseqc system")
84 #define SATNO_LONGTEXT N_("[0=no diseqc, 1-4=normal diseqc, -1=A, -2=B simple diseqc]")
86 #define VOLTAGE_TEXT N_("LNB voltage")
87 #define VOLTAGE_LONGTEXT N_("In Volts [0, 13=vertical, 18=horizontal]")
89 #define TONE_TEXT N_("22 kHz tone")
90 #define TONE_LONGTEXT N_("[0=off, 1=on, -1=auto]")
92 #define FEC_TEXT N_("Transponder FEC")
93 #define FEC_LONGTEXT N_("FEC=Forward Error Correction mode [9=auto]")
95 #define SRATE_TEXT N_("Transponder symbol rate in kHz")
96 #define SRATE_LONGTEXT ""
99 #define MODULATION_TEXT N_("Modulation type")
100 #define MODULATION_LONGTEXT N_("Modulation type for front-end device.")
103 #define CODE_RATE_HP_TEXT N_("Terrestrial high priority stream code rate (FEC)")
104 #define CODE_RATE_HP_LONGTEXT ""
106 #define CODE_RATE_LP_TEXT N_("Terrestrial low priority stream code rate (FEC)")
107 #define CODE_RATE_LP_LONGTEXT ""
109 #define BANDWIDTH_TEXT N_("Terrestrial bandwidth")
110 #define BANDWIDTH_LONGTEXT N_("Terrestrial bandwidth [0=auto,6,7,8 in MHz]")
112 #define GUARD_TEXT N_("Terrestrial guard interval")
113 #define GUARD_LONGTEXT ""
115 #define TRANSMISSION_TEXT N_("Terrestrial transmission mode")
116 #define TRANSMISSION_LONGTEXT ""
118 #define HIERARCHY_TEXT N_("Terrestrial hierarchy mode")
119 #define HIERARCHY_LONGTEXT ""
122 set_shortname( _("DVB") );
123 set_description( N_("DVB input with v4l2 support") );
125 add_integer( "dvb-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
126 CACHING_LONGTEXT, VLC_TRUE );
127 add_integer( "dvb-adapter", 0, NULL, ADAPTER_TEXT, ADAPTER_LONGTEXT,
129 add_integer( "dvb-device", 0, NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
131 add_integer( "dvb-frequency", 11954000, NULL, FREQ_TEXT, FREQ_LONGTEXT,
133 add_integer( "dvb-inversion", 2, NULL, INVERSION_TEXT, INVERSION_LONGTEXT,
135 add_bool( "dvb-probe", 1, NULL, PROBE_TEXT, PROBE_LONGTEXT, VLC_TRUE );
136 add_integer( "dvb-lnb-lof1", 9750000, NULL, LNB_LOF1_TEXT,
137 LNB_LOF1_LONGTEXT, VLC_TRUE );
138 add_integer( "dvb-lnb-lof2", 10600000, NULL, LNB_LOF2_TEXT,
139 LNB_LOF2_LONGTEXT, VLC_TRUE );
140 add_integer( "dvb-lnb-slof", 11700000, NULL, LNB_SLOF_TEXT,
141 LNB_SLOF_LONGTEXT, VLC_TRUE );
142 /* DVB-S (satellite) */
143 add_bool( "dvb-budget-mode", 0, NULL, BUDGET_TEXT, BUDGET_LONGTEXT,
145 add_integer( "dvb-satno", 0, NULL, SATNO_TEXT, SATNO_LONGTEXT,
147 add_integer( "dvb-voltage", 13, NULL, VOLTAGE_TEXT, VOLTAGE_LONGTEXT,
149 add_integer( "dvb-tone", -1, NULL, TONE_TEXT, TONE_LONGTEXT,
151 add_integer( "dvb-fec", 9, NULL, FEC_TEXT, FEC_LONGTEXT, VLC_TRUE );
152 add_integer( "dvb-srate", 27500000, NULL, SRATE_TEXT, SRATE_LONGTEXT,
154 /* DVB-T (terrestrial) */
155 add_integer( "dvb-modulation", 0, NULL, MODULATION_TEXT,
156 MODULATION_LONGTEXT, VLC_TRUE );
157 /* DVB-T (terrestrial) */
158 add_integer( "dvb-code-rate-hp", 9, NULL, CODE_RATE_HP_TEXT,
159 CODE_RATE_HP_LONGTEXT, VLC_TRUE );
160 add_integer( "dvb-code-rate-lp", 9, NULL, CODE_RATE_LP_TEXT,
161 CODE_RATE_LP_LONGTEXT, VLC_TRUE );
162 add_integer( "dvb-bandwidth", 0, NULL, BANDWIDTH_TEXT, BANDWIDTH_LONGTEXT,
164 add_integer( "dvb-guard", 0, NULL, GUARD_TEXT, GUARD_LONGTEXT, VLC_TRUE );
165 add_integer( "dvb-transmission", 0, NULL, TRANSMISSION_TEXT,
166 TRANSMISSION_LONGTEXT, VLC_TRUE );
167 add_integer( "dvb-hierarchy", 0, NULL, HIERARCHY_TEXT, HIERARCHY_LONGTEXT,
170 set_capability( "access2", 0 );
171 add_shortcut( "dvb" );
172 add_shortcut( "dvb-s" );
173 add_shortcut( "qpsk" );
174 add_shortcut( "dvb-c" );
175 add_shortcut( "cable" );
176 add_shortcut( "dvb-t" );
177 add_shortcut( "terrestrial" );
178 add_shortcut( "satellite" ); /* compatibility with the interface. */
179 set_callbacks( Open, Close );
183 /*****************************************************************************
185 *****************************************************************************/
186 static block_t *Block( access_t * );
187 static int Control( access_t *, int, va_list );
189 #define DVB_READ_ONCE 3
190 #define TS_PACKET_SIZE 188
192 static void FilterUnset( access_t *, int i_max );
193 static void FilterUnsetPID( access_t *, int i_pid );
194 static void FilterSet( access_t *, int i_pid, int i_type );
196 static void VarInit( access_t * );
197 static int ParseMRL( access_t * );
200 /*****************************************************************************
201 * Open: open the frontend device
202 *****************************************************************************/
203 static int Open( vlc_object_t *p_this )
205 access_t *p_access = (access_t*)p_this;
208 /* Only if selected */
209 if( *p_access->psz_access == '\0' )
213 p_access->pf_read = NULL;
214 p_access->pf_block = Block;
215 p_access->pf_control = Control;
216 p_access->pf_seek = NULL;
217 p_access->info.i_update = 0;
218 p_access->info.i_size = 0;
219 p_access->info.i_pos = 0;
220 p_access->info.b_eof = VLC_FALSE;
221 p_access->info.i_title = 0;
222 p_access->info.i_seekpoint = 0;
224 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
225 memset( p_sys, 0, sizeof( access_sys_t ) );
227 /* Create all variables */
230 /* Parse the command line */
231 if( ParseMRL( p_access ) )
237 /* Getting frontend info */
238 if( E_(FrontendOpen)( p_access) )
244 /* Setting frontend parameters for tuning the hardware */
245 msg_Dbg( p_access, "trying to tune the frontend...");
246 if( E_(FrontendSet)( p_access ) < 0 )
248 E_(FrontendClose)( p_access );
253 /* Opening DVR device */
254 if( E_(DVROpen)( p_access ) < 0 )
256 E_(FrontendClose)( p_access );
261 p_sys->b_budget_mode = var_GetBool( p_access, "dvb-budget-mode" );
262 if( p_sys->b_budget_mode )
264 msg_Dbg( p_access, "setting filter on all PIDs" );
265 FilterSet( p_access, 0x2000, OTHER_TYPE );
269 msg_Dbg( p_access, "setting filter on PAT" );
270 FilterSet( p_access, 0x0, OTHER_TYPE );
273 E_(CAMOpen)( p_access );
278 /*****************************************************************************
279 * Close : Close the device
280 *****************************************************************************/
281 static void Close( vlc_object_t *p_this )
283 access_t *p_access = (access_t*)p_this;
284 access_sys_t *p_sys = p_access->p_sys;
286 FilterUnset( p_access, p_sys->b_budget_mode ? 1 : MAX_DEMUX );
288 E_(DVRClose)( p_access );
289 E_(FrontendClose)( p_access );
290 E_(CAMClose)( p_access );
295 /*****************************************************************************
297 *****************************************************************************/
298 static block_t *Block( access_t *p_access )
300 access_sys_t *p_sys = p_access->p_sys;
305 struct timeval timeout;
309 /* Initialize file descriptor set */
311 FD_SET( p_sys->i_handle, &fds );
313 /* We'll wait 0.5 second if nothing happens */
315 timeout.tv_usec = 500000;
317 /* Find if some data is available */
318 i_ret = select( p_sys->i_handle + 1, &fds, NULL, NULL, &timeout );
320 if ( p_access->b_die )
323 if ( i_ret < 0 && errno == EINTR )
328 msg_Err( p_access, "select error (%s)", strerror(errno) );
332 if ( p_sys->i_ca_handle && mdate() > p_sys->i_ca_next_event )
334 E_(CAMPoll)( p_access );
335 p_sys->i_ca_next_event = mdate() + p_sys->i_ca_timeout;
338 if ( FD_ISSET( p_sys->i_handle, &fds ) )
344 p_block = block_New( p_access, DVB_READ_ONCE * TS_PACKET_SIZE );
345 if( ( p_block->i_buffer = read( p_sys->i_handle, p_block->p_buffer,
346 DVB_READ_ONCE * TS_PACKET_SIZE ) ) <= 0 )
348 msg_Err( p_access, "read failed (%s)", strerror(errno) );
349 block_Release( p_block );
356 /*****************************************************************************
358 *****************************************************************************/
359 static int Control( access_t *p_access, int i_query, va_list args )
361 access_sys_t *p_sys = p_access->p_sys;
362 vlc_bool_t *pb_bool, b_bool;
369 case ACCESS_CAN_SEEK:
370 case ACCESS_CAN_FASTSEEK:
371 case ACCESS_CAN_PAUSE:
372 case ACCESS_CAN_CONTROL_PACE:
373 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
374 *pb_bool = VLC_FALSE;
378 pi_int = (int*)va_arg( args, int * );
379 *pi_int = DVB_READ_ONCE * TS_PACKET_SIZE;
382 case ACCESS_GET_PTS_DELAY:
383 pi_64 = (int64_t*)va_arg( args, int64_t * );
384 *pi_64 = var_GetInteger( p_access, "dvb-caching" ) * 1000;
388 case ACCESS_SET_PAUSE_STATE:
389 case ACCESS_GET_TITLE_INFO:
390 case ACCESS_SET_TITLE:
391 case ACCESS_SET_SEEKPOINT:
394 case ACCESS_SET_PRIVATE_ID_STATE:
395 i_int = (int)va_arg( args, int ); /* Private data (pid for now)*/
396 b_bool = (vlc_bool_t)va_arg( args, vlc_bool_t ); /* b_selected */
397 if( !p_sys->b_budget_mode )
399 /* FIXME we may want to give the real type (me ?, I don't ;) */
401 FilterSet( p_access, i_int, OTHER_TYPE );
403 FilterUnsetPID( p_access, i_int );
407 case ACCESS_SET_PRIVATE_ID_CA:
412 pp_capmts = (uint8_t **)va_arg( args, uint8_t ** );
413 i_nb_capmts = (int)va_arg( args, int );
415 E_(CAMSet)( p_access, pp_capmts, i_nb_capmts );
419 msg_Warn( p_access, "unimplemented query in control" );
426 /*****************************************************************************
427 * FilterSet/FilterUnset:
428 *****************************************************************************/
429 static void FilterSet( access_t *p_access, int i_pid, int i_type )
431 access_sys_t *p_sys = p_access->p_sys;
434 /* Find first free slot */
435 for( i = 0; i < MAX_DEMUX; i++ )
437 if( !p_sys->p_demux_handles[i].i_type )
440 if( p_sys->p_demux_handles[i].i_pid == i_pid )
441 return; /* Already set */
446 msg_Err( p_access, "no free p_demux_handles !" );
450 if( E_(DMXSetFilter)( p_access, i_pid,
451 &p_sys->p_demux_handles[i].i_handle, i_type ) )
453 msg_Err( p_access, "DMXSetFilter failed" );
456 p_sys->p_demux_handles[i].i_type = i_type;
457 p_sys->p_demux_handles[i].i_pid = i_pid;
460 static void FilterUnset( access_t *p_access, int i_max )
462 access_sys_t *p_sys = p_access->p_sys;
465 for( i = 0; i < i_max; i++ )
467 if( p_sys->p_demux_handles[i].i_type )
469 E_(DMXUnsetFilter)( p_access, p_sys->p_demux_handles[i].i_handle );
470 p_sys->p_demux_handles[i].i_type = 0;
475 static void FilterUnsetPID( access_t *p_access, int i_pid )
477 access_sys_t *p_sys = p_access->p_sys;
480 for( i = 0; i < MAX_DEMUX; i++ )
482 if( p_sys->p_demux_handles[i].i_type &&
483 p_sys->p_demux_handles[i].i_pid == i_pid )
485 E_(DMXUnsetFilter)( p_access, p_sys->p_demux_handles[i].i_handle );
486 p_sys->p_demux_handles[i].i_type = 0;
491 /*****************************************************************************
493 *****************************************************************************/
494 static void VarInit( access_t *p_access )
497 var_Create( p_access, "dvb-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
500 var_Create( p_access, "dvb-adapter", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
501 var_Create( p_access, "dvb-device", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
502 var_Create( p_access, "dvb-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
503 var_Create( p_access, "dvb-inversion", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
504 var_Create( p_access, "dvb-probe", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
505 var_Create( p_access, "dvb-lnb-lof1", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
506 var_Create( p_access, "dvb-lnb-lof2", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
507 var_Create( p_access, "dvb-lnb-slof", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
510 var_Create( p_access, "dvb-budget-mode", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
511 var_Create( p_access, "dvb-satno", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
512 var_Create( p_access, "dvb-voltage", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
513 var_Create( p_access, "dvb-tone", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
514 var_Create( p_access, "dvb-fec", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
515 var_Create( p_access, "dvb-srate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
518 var_Create( p_access, "dvb-modulation", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
521 var_Create( p_access, "dvb-code-rate-hp", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
522 var_Create( p_access, "dvb-code-rate-lp", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
523 var_Create( p_access, "dvb-bandwidth", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
524 var_Create( p_access, "dvb-transmission", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
525 var_Create( p_access, "dvb-guard", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
526 var_Create( p_access, "dvb-hierarchy", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
530 static int ParseMRL( access_t *p_access )
532 char *psz_dup = strdup( p_access->psz_path );
533 char *psz_parser = psz_dup;
537 #define GET_OPTION_INT( option ) \
538 if ( !strncmp( psz_parser, option "=", strlen(option "=") ) ) \
540 val.i_int = strtol( psz_parser + strlen(option "="), &psz_parser, \
542 var_Set( p_access, "dvb-" option, val ); \
545 #define GET_OPTION_BOOL( option ) \
546 if ( !strncmp( psz_parser, option "=", strlen(option "=") ) ) \
548 val.b_bool = strtol( psz_parser + strlen(option "="), &psz_parser, \
550 var_Set( p_access, "dvb-" option, val ); \
553 /* Test for old syntax */
554 strtol( psz_parser, &psz_next, 10 );
555 if( psz_next != psz_parser )
557 msg_Err( p_access, "the DVB input old syntax is deprecated, use vlc "
558 "-p dvb to see an explanation of the new syntax" );
565 GET_OPTION_INT("adapter")
566 else GET_OPTION_INT("device")
567 else GET_OPTION_INT("frequency")
568 else GET_OPTION_INT("inversion")
569 else GET_OPTION_BOOL("probe")
570 else GET_OPTION_INT("lnb-lof1")
571 else GET_OPTION_INT("lnb-lof2")
572 else GET_OPTION_INT("lnb-slof")
574 else GET_OPTION_BOOL("budget-mode")
575 else GET_OPTION_INT("voltage")
576 else GET_OPTION_INT("tone")
577 else GET_OPTION_INT("fec")
578 else GET_OPTION_INT("srate")
580 else GET_OPTION_INT("modulation")
582 else GET_OPTION_INT("code-rate-hp")
583 else GET_OPTION_INT("code-rate-lp")
584 else GET_OPTION_INT("bandwidth")
585 else GET_OPTION_INT("transmission")
586 else GET_OPTION_INT("guard")
587 else GET_OPTION_INT("hierarchy")
589 else if( !strncmp( psz_parser, "satno=",
590 strlen( "satno=" ) ) )
592 psz_parser += strlen( "satno=" );
593 if ( *psz_parser == 'A' || *psz_parser == 'a' )
595 else if ( *psz_parser == 'B' || *psz_parser == 'b' )
598 val.i_int = strtol( psz_parser, &psz_parser, 0 );
599 var_Set( p_access, "dvb-satno", val );
601 /* Redundant with voltage but much easier to use */
602 else if( !strncmp( psz_parser, "polarization=",
603 strlen( "polarization=" ) ) )
605 psz_parser += strlen( "polarization=" );
606 if ( *psz_parser == 'V' || *psz_parser == 'v' )
608 else if ( *psz_parser == 'H' || *psz_parser == 'h' )
612 msg_Err( p_access, "illegal polarization %c", *psz_parser );
616 var_Set( p_access, "dvb-voltage", val );
620 msg_Err( p_access, "unknown option (%s)", psz_parser );
628 #undef GET_OPTION_INT
629 #undef GET_OPTION_BOOL