1 /*****************************************************************************
2 * zvbi.c : VBI and Teletext PES demux and decoder using libzvbi
3 *****************************************************************************
4 * Copyright (C) 2007, M2X
7 * Authors: Derk-Jan Hartman <djhartman at m2x dot nl>
8 * Jean-Paul Saman <jpsaman at m2x dot nl>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
24 /*****************************************************************************
26 * information on teletext format can be found here :
27 * http://pdc.ro.nu/teletext.html
29 *****************************************************************************/
31 /* This module implements:
32 * ETSI EN 301 775: VBI data in PES
33 * ETSI EN 300 472: EBU Teletext data in PES
34 * ETSI EN 300 706: Enhanced Teletext (libzvbi)
35 * ETSI EN 300 231: Video Programme System [VPS] (libzvbi)
36 * ETSI EN 300 294: 625-line Wide Screen Signaling [WSS] (libzvbi)
37 * EIA-608 Revision A: Closed Captioning [CC] (libzvbi)
44 #include <vlc_common.h>
45 #include <vlc_plugin.h>
50 #include <vlc_codec.h>
53 /*****************************************************************************
55 *****************************************************************************/
56 static int Open ( vlc_object_t * );
57 static void Close( vlc_object_t * );
59 #define PAGE_TEXT N_("Teletext page")
60 #define PAGE_LONGTEXT N_("Open the indicated Teletext page." \
61 "Default page is index 100")
63 #define OPAQUE_TEXT N_("Text is always opaque")
64 #define OPAQUE_LONGTEXT N_("Setting vbi-opaque to false " \
65 "makes the boxed text transparent." )
67 #define POS_TEXT N_("Teletext alignment")
68 #define POS_LONGTEXT N_( \
69 "You can enforce the teletext position on the video " \
70 "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
71 "also use combinations of these values, eg. 6 = top-right).")
73 #define TELX_TEXT N_("Teletext text subtitles")
74 #define TELX_LONGTEXT N_( "Output teletext subtitles as text " \
75 "instead of as RGBA" )
77 static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
78 static const char *const ppsz_pos_descriptions[] =
79 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
80 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
83 set_description( N_("VBI and Teletext decoder") );
84 set_shortname( N_("VBI & Teletext") );
85 set_capability( "decoder", 51 );
86 set_category( CAT_INPUT );
87 set_subcategory( SUBCAT_INPUT_SCODEC );
88 set_callbacks( Open, Close );
90 add_integer( "vbi-page", 100, NULL,
91 PAGE_TEXT, PAGE_LONGTEXT, false );
92 add_bool( "vbi-opaque", true, NULL,
93 OPAQUE_TEXT, OPAQUE_LONGTEXT, false );
94 add_integer( "vbi-position", 4, NULL, POS_TEXT, POS_LONGTEXT, false );
95 change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL );
96 add_bool( "vbi-text", false, NULL,
97 TELX_TEXT, TELX_LONGTEXT, false );
100 /****************************************************************************
102 ****************************************************************************/
104 // #define ZVBI_DEBUG
106 //Guessing table for missing "default region triplet"
107 static const int pi_default_triplet[] = {
110 24,24,24,24, //ssc scr slv rum
111 32,32,32,32,32, //est lit rus bul ukr
116 static const char *const ppsz_default_triplet[] = {
119 "ssc", "scr", "slv", "rum",
120 "est", "lit", "rus", "bul", "ukr",
128 ZVBI_KEY_RED = 'r' << 16,
129 ZVBI_KEY_GREEN = 'g' << 16,
130 ZVBI_KEY_YELLOW = 'y' << 16,
131 ZVBI_KEY_BLUE = 'b' << 16,
132 ZVBI_KEY_INDEX = 'i' << 16,
136 DATA_UNIT_EBU_TELETEXT_NON_SUBTITLE = 0x02,
137 DATA_UNIT_EBU_TELETEXT_SUBTITLE = 0x03,
138 DATA_UNIT_EBU_TELETEXT_INVERTED = 0x0C,
140 DATA_UNIT_ZVBI_WSS_CPR1204 = 0xB4,
141 DATA_UNIT_ZVBI_CLOSED_CAPTION_525 = 0xB5,
142 DATA_UNIT_ZVBI_MONOCHROME_SAMPLES_525 = 0xB6,
144 DATA_UNIT_VPS = 0xC3,
145 DATA_UNIT_WSS = 0xC4,
146 DATA_UNIT_CLOSED_CAPTION = 0xC5,
147 DATA_UNIT_MONOCHROME_SAMPLES = 0xC6,
149 DATA_UNIT_STUFFING = 0xFF,
154 vbi_decoder * p_vbi_dec;
155 vbi_dvb_demux * p_dvb_demux;
156 unsigned int i_last_page;
158 bool b_text; /* Subtitles as text */
160 vlc_mutex_t lock; /* Lock to protect the following variables */
161 /* Positioning of Teletext images */
164 unsigned int i_wanted_page;
165 unsigned int i_wanted_subpage;
174 static subpicture_t *Decode( decoder_t *, block_t ** );
176 static subpicture_t *Subpicture( decoder_t *p_dec, video_format_t *p_fmt,
178 int i_columns, int i_rows,
179 int i_align, mtime_t i_pts );
181 static void EventHandler( vbi_event *ev, void *user_data );
182 static int OpaquePage( picture_t *p_src, const vbi_page p_page,
183 const video_format_t fmt, bool b_opaque );
185 /* Properties callbacks */
186 static int RequestPage( vlc_object_t *p_this, char const *psz_cmd,
187 vlc_value_t oldval, vlc_value_t newval, void *p_data );
188 static int Opaque( vlc_object_t *p_this, char const *psz_cmd,
189 vlc_value_t oldval, vlc_value_t newval, void *p_data );
190 static int Position( vlc_object_t *p_this, char const *psz_cmd,
191 vlc_value_t oldval, vlc_value_t newval, void *p_data );
192 static int EventKey( vlc_object_t *p_this, char const *psz_cmd,
193 vlc_value_t oldval, vlc_value_t newval, void *p_data );
195 /*****************************************************************************
196 * Open: probe the decoder and return score
197 *****************************************************************************
198 * Tries to launch a decoder and return score so that the interface is able
200 *****************************************************************************/
201 static int Open( vlc_object_t *p_this )
203 decoder_t *p_dec = (decoder_t *) p_this;
204 decoder_sys_t *p_sys = NULL;
206 if( p_dec->fmt_in.i_codec != VLC_FOURCC('t','e','l','x') )
209 p_dec->pf_decode_sub = Decode;
210 p_sys = p_dec->p_sys = malloc( sizeof(decoder_sys_t) );
213 memset( p_sys, 0, sizeof(decoder_sys_t) );
215 p_sys->i_key[0] = p_sys->i_key[1] = p_sys->i_key[2] = '*' - '0';
216 p_sys->b_update = false;
217 p_sys->p_vbi_dec = vbi_decoder_new();
218 p_sys->p_dvb_demux = vbi_dvb_pes_demux_new( NULL, NULL );
219 vlc_mutex_init( &p_sys->lock );
221 if( (p_sys->p_vbi_dec == NULL) || (p_sys->p_dvb_demux == NULL) )
223 msg_Err( p_dec, "VBI decoder/demux could not be created." );
228 /* Some broadcasters in countries with level 1 and level 1.5 still not send a G0 to do
229 * matches against table 32 of ETSI 300 706. We try to do some best effort guessing
230 * This is not perfect, but might handle some cases where we know the vbi language
231 * is known. It would be better if people started sending G0 */
232 for( int i = 0; ppsz_default_triplet[i] != NULL; i++ )
234 if( p_dec->fmt_in.psz_language && !strcasecmp( p_dec->fmt_in.psz_language, ppsz_default_triplet[i] ) )
236 vbi_teletext_set_default_region( p_sys->p_vbi_dec, pi_default_triplet[i]);
237 msg_Dbg( p_dec, "overwriting default zvbi region: %d", pi_default_triplet[i] );
241 vbi_event_handler_register( p_sys->p_vbi_dec, VBI_EVENT_TTX_PAGE | VBI_EVENT_NETWORK |
243 VBI_EVENT_CAPTION | VBI_EVENT_TRIGGER |
244 VBI_EVENT_ASPECT | VBI_EVENT_PROG_INFO | VBI_EVENT_NETWORK_ID |
246 0 , EventHandler, p_dec );
248 /* Create the var on vlc_global. */
249 p_sys->i_wanted_page = var_CreateGetInteger( p_dec, "vbi-page" );
250 var_AddCallback( p_dec, "vbi-page",
251 RequestPage, p_sys );
253 /* Check if the Teletext track has a known "initial page". */
254 if( p_sys->i_wanted_page == 100 && p_dec->fmt_in.subs.dvb.i_id != -1 )
256 int i_wanted_magazine = p_dec->fmt_in.subs.dvb.i_id >> 16;
257 if( i_wanted_magazine == 0 )
258 i_wanted_magazine = 8;
259 p_sys->i_wanted_page = vbi_bcd2dec(p_dec->fmt_in.subs.dvb.i_id & 0xff);
260 p_sys->i_wanted_page += 100*i_wanted_magazine;
262 p_sys->i_wanted_subpage = VBI_ANY_SUBNO;
264 p_sys->b_opaque = var_CreateGetBool( p_dec, "vbi-opaque" );
265 var_AddCallback( p_dec, "vbi-opaque", Opaque, p_sys );
267 p_sys->i_align = var_CreateGetInteger( p_dec, "vbi-position" );
268 var_AddCallback( p_dec, "vbi-position", Position, p_sys );
270 p_sys->b_text = var_CreateGetBool( p_dec, "vbi-text" );
271 // var_AddCallback( p_dec, "vbi-text", Text, p_sys );
273 /* Listen for keys */
274 var_AddCallback( p_dec->p_libvlc, "key-pressed", EventKey, p_sys );
276 es_format_Init( &p_dec->fmt_out, SPU_ES, VLC_FOURCC( 's','p','u',' ' ) );
278 p_dec->fmt_out.video.i_chroma = VLC_FOURCC('T','E','X','T');
280 p_dec->fmt_out.video.i_chroma = VLC_FOURCC('R','G','B','A');
284 /*****************************************************************************
286 *****************************************************************************/
287 static void Close( vlc_object_t *p_this )
289 decoder_t *p_dec = (decoder_t*) p_this;
290 decoder_sys_t *p_sys = p_dec->p_sys;
292 var_DelCallback( p_dec, "vbi-position", Position, p_sys );
293 var_DelCallback( p_dec, "vbi-opaque", Opaque, p_sys );
294 var_DelCallback( p_dec, "vbi-page", RequestPage, p_sys );
295 var_DelCallback( p_dec->p_libvlc, "key-pressed", EventKey, p_sys );
297 vlc_mutex_destroy( &p_sys->lock );
299 if( p_sys->p_vbi_dec )
300 vbi_decoder_delete( p_sys->p_vbi_dec );
301 if( p_sys->p_dvb_demux )
302 vbi_dvb_demux_delete( p_sys->p_dvb_demux );
306 #define MAX_SLICES 32
308 #ifdef WORDS_BIGENDIAN
309 # define ZVBI_PIXFMT_RGBA32 VBI_PIXFMT_RGBA32_BE
311 # define ZVBI_PIXFMT_RGBA32 VBI_PIXFMT_RGBA32_LE
315 /*****************************************************************************
317 *****************************************************************************/
318 static subpicture_t *Decode( decoder_t *p_dec, block_t **pp_block )
320 decoder_sys_t *p_sys = p_dec->p_sys;
322 subpicture_t *p_spu = NULL;
324 bool b_cached = false;
326 const uint8_t *p_pos;
329 if( (pp_block == NULL) || (*pp_block == NULL) )
335 p_pos = p_block->p_buffer;
336 i_left = p_block->i_buffer;
340 vbi_sliced p_sliced[MAX_SLICES];
341 unsigned int i_lines = 0;
344 i_lines = vbi_dvb_demux_cor( p_sys->p_dvb_demux, p_sliced,
345 MAX_SLICES, &i_pts, &p_pos, &i_left );
348 vbi_decode( p_sys->p_vbi_dec, p_sliced, i_lines, i_pts / 90000.0 );
352 vlc_mutex_lock( &p_sys->lock );
353 const int i_align = p_sys->i_align;
354 const unsigned int i_wanted_page = p_sys->i_wanted_page;
355 const unsigned int i_wanted_subpage = p_sys->i_wanted_subpage;
356 const bool b_opaque = p_sys->b_opaque;
357 vlc_mutex_unlock( &p_sys->lock );
359 /* Try to see if the page we want is in the cache yet */
360 b_cached = vbi_fetch_vt_page( p_sys->p_vbi_dec, &p_page,
361 vbi_dec2bcd( i_wanted_page ),
362 i_wanted_subpage, VBI_WST_LEVEL_3p5,
365 if( i_wanted_page == p_sys->i_last_page && !p_sys->b_update )
370 if( p_sys->i_last_page != i_wanted_page )
372 /* We need to reset the subtitle */
373 p_spu = Subpicture( p_dec, &fmt, true,
374 p_page.columns, p_page.rows,
375 i_align, p_block->i_pts );
378 p_spu->p_region->psz_text = strdup("");
380 p_sys->b_update = true;
381 p_sys->i_last_page = i_wanted_page;
387 p_sys->b_update = false;
388 p_sys->i_last_page = i_wanted_page;
390 msg_Dbg( p_dec, "we now have page: %d ready for display",
393 /* If there is a page or sub to render, then we do that here */
394 /* Create the subpicture unit */
395 p_spu = Subpicture( p_dec, &fmt, p_sys->b_text,
396 p_page.columns, p_page.rows,
397 i_align, p_block->i_pts );
403 unsigned int i_textsize = 7000;
405 char p_text[i_textsize+1];
407 i_total = vbi_print_page_region( &p_page, p_text, i_textsize,
408 "UTF-8", 0, 0, 0, 0, p_page.columns, p_page.rows );
409 p_text[i_total] = '\0';
410 /* Strip off the pagenumber */
413 p_spu->p_region->psz_text = strdup( &p_text[8] );
416 msg_Info( p_dec, "page %x-%x(%d)\n%s", p_page.pgno, p_page.subno, i_total, p_text );
421 picture_t *p_pic = &p_spu->p_region->picture;
423 /* ZVBI is stupid enough to assume pitch == width */
424 p_pic->p->i_pitch = 4 * fmt.i_width;
425 vbi_draw_vt_page( &p_page, ZVBI_PIXFMT_RGBA32,
426 p_spu->p_region->picture.p->p_pixels, 1, 1 );
428 vlc_mutex_lock( &p_sys->lock );
429 memcpy( p_sys->nav_link, &p_page.nav_link, sizeof( p_sys->nav_link )) ;
430 vlc_mutex_unlock( &p_sys->lock );
432 OpaquePage( p_pic, p_page, fmt, b_opaque );
436 vbi_unref_page( &p_page );
437 block_Release( p_block );
441 vbi_unref_page( &p_page );
444 p_dec->pf_spu_buffer_del( p_dec, p_spu );
448 block_Release( p_block );
452 static subpicture_t *Subpicture( decoder_t *p_dec, video_format_t *p_fmt,
454 int i_columns, int i_rows, int i_align,
460 /* If there is a page or sub to render, then we do that here */
461 /* Create the subpicture unit */
462 p_spu = p_dec->pf_spu_buffer_new( p_dec );
465 msg_Warn( p_dec, "can't get spu buffer" );
469 memset( &fmt, 0, sizeof(video_format_t) );
470 fmt.i_chroma = b_text ? VLC_FOURCC('T','E','X','T') :
471 VLC_FOURCC('R','G','B','A');
472 fmt.i_aspect = b_text ? 0 : VOUT_ASPECT_FACTOR;
475 fmt.i_bits_per_pixel = 0;
479 fmt.i_sar_num = fmt.i_sar_den = 1;
480 fmt.i_width = fmt.i_visible_width = i_columns * 12;
481 fmt.i_height = fmt.i_visible_height = i_rows * 10;
482 fmt.i_bits_per_pixel = 32;
484 fmt.i_x_offset = fmt.i_y_offset = 0;
486 p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
487 if( p_spu->p_region == NULL )
489 msg_Err( p_dec, "cannot allocate SPU region" );
490 p_dec->pf_spu_buffer_del( p_dec, p_spu );
494 p_spu->p_region->i_x = 0;
495 p_spu->p_region->i_y = 0;
496 p_spu->p_region->i_align = i_align;
498 /* Normal text subs, easy markup */
499 p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM;
501 p_spu->i_start = i_pts;
503 p_spu->b_ephemer = true;
504 p_spu->b_absolute = false;
508 p_spu->i_original_picture_width = fmt.i_width;
509 p_spu->i_original_picture_height = fmt.i_height;
517 static void EventHandler( vbi_event *ev, void *user_data )
519 decoder_t *p_dec = (decoder_t *)user_data;
520 decoder_sys_t *p_sys = p_dec->p_sys;
522 if( ev->type == VBI_EVENT_TTX_PAGE )
525 msg_Info( p_dec, "Page %03x.%02x ",
526 ev->ev.ttx_page.pgno,
527 ev->ev.ttx_page.subno & 0xFF);
529 if( p_sys->i_last_page == vbi_bcd2dec( ev->ev.ttx_page.pgno ) )
530 p_sys->b_update = true;
532 if( ev->ev.ttx_page.clock_update )
533 msg_Dbg( p_dec, "clock" );
534 if( ev->ev.ttx_page.header_update )
535 msg_Dbg( p_dec, "header" );
538 else if( ev->type == VBI_EVENT_CLOSE )
539 msg_Dbg( p_dec, "Close event" );
540 else if( ev->type == VBI_EVENT_CAPTION )
541 msg_Dbg( p_dec, "Caption line: %x", ev->ev.caption.pgno );
542 else if( ev->type == VBI_EVENT_NETWORK )
544 msg_Dbg( p_dec, "Network change");
545 vbi_network n = ev->ev.network;
546 msg_Dbg( p_dec, "Network id:%d name: %s, call: %s ", n.nuid, n.name, n.call );
548 else if( ev->type == VBI_EVENT_TRIGGER )
549 msg_Dbg( p_dec, "Trigger event" );
550 else if( ev->type == VBI_EVENT_ASPECT )
551 msg_Dbg( p_dec, "Aspect update" );
552 else if( ev->type == VBI_EVENT_PROG_INFO )
553 msg_Dbg( p_dec, "Program info received" );
554 else if( ev->type == VBI_EVENT_NETWORK_ID )
555 msg_Dbg( p_dec, "Network ID changed" );
558 static int OpaquePage( picture_t *p_src, const vbi_page p_page,
559 const video_format_t fmt, bool b_opaque )
563 assert( fmt.i_chroma == VLC_FOURCC('R','G','B','A' ) );
565 /* Kludge since zvbi doesn't provide an option to specify opacity. */
566 for( y = 0; y < fmt.i_height; y++ )
568 for( x = 0; x < fmt.i_width; x++ )
570 const vbi_opacity opacity = p_page.text[ y/10 * p_page.columns + x/12 ].opacity;
571 const int background = p_page.text[ y/10 * p_page.columns + x/12 ].background;
572 uint32_t *p_pixel = (uint32_t*)&p_src->p->p_pixels[y * p_src->p->i_pitch + 4*x];
576 /* Show video instead of this character */
577 case VBI_TRANSPARENT_SPACE:
580 /* Display foreground and background color */
581 /* To make the boxed text "closed captioning" transparent
582 * change true to false.
585 /* alpha blend video into background color */
586 case VBI_SEMI_TRANSPARENT:
589 /* Full text transparency. only foreground color is show */
590 case VBI_TRANSPARENT_FULL:
591 if( (*p_pixel) == (0xff000000 | p_page.color_map[background] ) )
602 static int RequestPage( vlc_object_t *p_this, char const *psz_cmd,
603 vlc_value_t oldval, vlc_value_t newval, void *p_data )
605 decoder_sys_t *p_sys = p_data;
606 VLC_UNUSED(p_this); VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
608 vlc_mutex_lock( &p_sys->lock );
609 switch( newval.i_int )
612 p_sys->i_wanted_page = vbi_bcd2dec( p_sys->nav_link[0].pgno );
613 p_sys->i_wanted_subpage = p_sys->nav_link[0].subno;
616 p_sys->i_wanted_page = vbi_bcd2dec( p_sys->nav_link[1].pgno );
617 p_sys->i_wanted_subpage = p_sys->nav_link[1].subno;
619 case ZVBI_KEY_YELLOW:
620 p_sys->i_wanted_page = vbi_bcd2dec( p_sys->nav_link[2].pgno );
621 p_sys->i_wanted_subpage = p_sys->nav_link[2].subno;
624 p_sys->i_wanted_page = vbi_bcd2dec( p_sys->nav_link[3].pgno );
625 p_sys->i_wanted_subpage = p_sys->nav_link[3].subno;
628 p_sys->i_wanted_page = vbi_bcd2dec( p_sys->nav_link[5].pgno ); /* #4 is SKIPPED */
629 p_sys->i_wanted_subpage = p_sys->nav_link[5].subno;
632 if( newval.i_int > 0 && newval.i_int < 999 )
634 p_sys->i_wanted_page = newval.i_int;
635 p_sys->i_wanted_subpage = VBI_ANY_SUBNO;
637 vlc_mutex_unlock( &p_sys->lock );
642 static int Opaque( vlc_object_t *p_this, char const *psz_cmd,
643 vlc_value_t oldval, vlc_value_t newval, void *p_data )
645 decoder_sys_t *p_sys = p_data;
646 VLC_UNUSED(p_this); VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
648 vlc_mutex_lock( &p_sys->lock );
649 p_sys->b_opaque = newval.b_bool;
650 p_sys->b_update = true;
651 vlc_mutex_unlock( &p_sys->lock );
656 static int Position( vlc_object_t *p_this, char const *psz_cmd,
657 vlc_value_t oldval, vlc_value_t newval, void *p_data )
659 decoder_sys_t *p_sys = p_data;
660 VLC_UNUSED(p_this); VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
662 vlc_mutex_lock( &p_sys->lock );
663 p_sys->i_align = newval.i_int;
664 vlc_mutex_unlock( &p_sys->lock );
669 static int EventKey( vlc_object_t *p_this, char const *psz_cmd,
670 vlc_value_t oldval, vlc_value_t newval, void *p_data )
672 decoder_sys_t *p_sys = p_data;
673 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
675 /* FIXME: Capture + and - key for subpage browsing */
676 if( newval.i_int == '-' || newval.i_int == '+' )
678 vlc_mutex_lock( &p_sys->lock );
679 if( p_sys->i_wanted_subpage == VBI_ANY_SUBNO && newval.i_int == '+' )
680 p_sys->i_wanted_subpage = vbi_dec2bcd(1);
681 else if ( newval.i_int == '+' )
682 p_sys->i_wanted_subpage = vbi_add_bcd( p_sys->i_wanted_subpage, 1);
683 else if( newval.i_int == '-')
684 p_sys->i_wanted_subpage = vbi_add_bcd( p_sys->i_wanted_subpage, 0xF9999999); /* BCD complement - 1 */
686 if ( !vbi_bcd_digits_greater( p_sys->i_wanted_subpage, 0x00 ) || vbi_bcd_digits_greater( p_sys->i_wanted_subpage, 0x99 ) )
687 p_sys->i_wanted_subpage = VBI_ANY_SUBNO;
689 vout_OSDMessage( p_this, DEFAULT_CHAN, "%s: %d", _("Subpage"), vbi_bcd2dec( p_sys->i_wanted_subpage) );
691 p_sys->b_update = true;
692 vlc_mutex_unlock( &p_sys->lock );
695 /* Capture 0-9 for page selection */
696 if( newval.i_int < '0' || newval.i_int > '9' )
699 vlc_mutex_lock( &p_sys->lock );
700 p_sys->i_key[0] = p_sys->i_key[1];
701 p_sys->i_key[1] = p_sys->i_key[2];
702 p_sys->i_key[2] = (int)(newval.i_int - '0');
703 vout_OSDMessage( p_this, DEFAULT_CHAN, "%s: %c%c%c", _("Page"), (char)(p_sys->i_key[0]+'0'), (char)(p_sys->i_key[1]+'0'), (char)(p_sys->i_key[2]+'0') );
705 if( p_sys->i_key[0] > 0 && p_sys->i_key[0] <= 8 &&
706 p_sys->i_key[1] >= 0 && p_sys->i_key[1] <= 9 &&
707 p_sys->i_key[2] >= 0 && p_sys->i_key[2] <= 9 )
709 p_sys->i_wanted_page = p_sys->i_key[0]*100 + p_sys->i_key[1]*10 + p_sys->i_key[2];
710 p_sys->i_wanted_subpage = VBI_ANY_SUBNO;
711 p_sys->i_key[0] = p_sys->i_key[1] = p_sys->i_key[2] = '*' - '0';
713 vlc_mutex_unlock( &p_sys->lock );