* Authors: Derk-Jan Hartman <djhartman at m2x dot nl>
* Jean-Paul Saman <jpsaman at m2x dot nl>
*
- * 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+
/*****************************************************************************
*
* information on teletext format can be found here :
#include <assert.h>
#include <libzvbi.h>
-#include <vlc_vout.h>
#include <vlc_codec.h>
-#include <vlc_osd.h>
/*****************************************************************************
* Module descriptor.
#define PAGE_LONGTEXT N_("Open the indicated Teletext page." \
"Default page is index 100")
-#define OPAQUE_TEXT N_("Text is always opaque")
+#define OPAQUE_TEXT N_("Teletext transparency")
#define OPAQUE_LONGTEXT N_("Setting vbi-opaque to false " \
"makes the boxed text transparent." )
{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
-vlc_module_begin();
- set_description( N_("VBI and Teletext decoder") );
- set_shortname( N_("VBI & Teletext") );
- set_capability( "decoder", 51 );
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_SCODEC );
- set_callbacks( Open, Close );
-
- add_integer( "vbi-page", 100, NULL,
- PAGE_TEXT, PAGE_LONGTEXT, false );
- add_bool( "vbi-opaque", true, NULL,
- OPAQUE_TEXT, OPAQUE_LONGTEXT, false );
- add_integer( "vbi-position", 4, NULL, POS_TEXT, POS_LONGTEXT, false );
- change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL );
- add_bool( "vbi-text", false, NULL,
- TELX_TEXT, TELX_LONGTEXT, false );
-vlc_module_end();
+vlc_module_begin ()
+ set_description( N_("VBI and Teletext decoder") )
+ set_shortname( N_("VBI & Teletext") )
+ set_capability( "decoder", 51 )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_SCODEC )
+ set_callbacks( Open, Close )
+
+ add_integer( "vbi-page", 100,
+ PAGE_TEXT, PAGE_LONGTEXT, false )
+ add_bool( "vbi-opaque", true,
+ OPAQUE_TEXT, OPAQUE_LONGTEXT, false )
+ add_integer( "vbi-position", 4, POS_TEXT, POS_LONGTEXT, false )
+ change_integer_list( pi_pos_values, ppsz_pos_descriptions );
+ add_bool( "vbi-text", false,
+ TELX_TEXT, TELX_LONGTEXT, false )
+vlc_module_end ()
/****************************************************************************
* Local structures
//Guessing table for missing "default region triplet"
static const int pi_default_triplet[] = {
- 0, 0, // slo cze
+ 0, 0, 0, 0, // slo slk cze ces
8, // pol
- 24,24,24,24, //ssc scr slv rum
+ 24,24,24,24, //scc scr slv rum
32,32,32,32,32, //est lit rus bul ukr
48,48, //gre ell
64, //ara
88, //heb
16 }; //default
static const char *const ppsz_default_triplet[] = {
- "slo", "cze",
+ "slo", "slk", "cze", "ces",
"pol",
- "ssc", "scr", "slv", "rum",
+ "scc", "scr", "slv", "rum",
"est", "lit", "rus", "bul", "ukr",
"gre", "ell",
"ara",
DATA_UNIT_STUFFING = 0xFF,
} data_unit_id;
+#define MAX_SLICES 32
+
struct decoder_sys_t
{
vbi_decoder * p_vbi_dec;
- vbi_dvb_demux * p_dvb_demux;
+ vbi_sliced p_vbi_sliced[MAX_SLICES];
unsigned int i_last_page;
bool b_update;
bool b_text; /* Subtitles as text */
decoder_t *p_dec = (decoder_t *) p_this;
decoder_sys_t *p_sys = NULL;
- if( p_dec->fmt_in.i_codec != VLC_FOURCC('t','e','l','x') )
+ if( p_dec->fmt_in.i_codec != VLC_CODEC_TELETEXT )
return VLC_EGENERIC;
p_dec->pf_decode_sub = Decode;
- p_sys = p_dec->p_sys = malloc( sizeof(decoder_sys_t) );
+ p_sys = p_dec->p_sys = calloc( 1, sizeof(decoder_sys_t) );
if( p_sys == NULL )
return VLC_ENOMEM;
- memset( p_sys, 0, sizeof(decoder_sys_t) );
p_sys->i_key[0] = p_sys->i_key[1] = p_sys->i_key[2] = '*' - '0';
p_sys->b_update = false;
p_sys->p_vbi_dec = vbi_decoder_new();
- p_sys->p_dvb_demux = vbi_dvb_pes_demux_new( NULL, NULL );
vlc_mutex_init( &p_sys->lock );
- if( (p_sys->p_vbi_dec == NULL) || (p_sys->p_dvb_demux == NULL) )
+ if( p_sys->p_vbi_dec == NULL )
{
- msg_Err( p_dec, "VBI decoder/demux could not be created." );
+ msg_Err( p_dec, "VBI decoder could not be created." );
Close( p_this );
return VLC_ENOMEM;
}
/* Create the var on vlc_global. */
p_sys->i_wanted_page = var_CreateGetInteger( p_dec, "vbi-page" );
- var_AddCallback( p_dec, "vbi-page",
- RequestPage, p_sys );
+ var_AddCallback( p_dec, "vbi-page", RequestPage, p_sys );
/* Check if the Teletext track has a known "initial page". */
- if( p_sys->i_wanted_page == 100 && p_dec->fmt_in.subs.dvb.i_id != -1 )
+ if( p_sys->i_wanted_page == 100 && p_dec->fmt_in.subs.teletext.i_magazine != -1 )
{
- int i_wanted_magazine = p_dec->fmt_in.subs.dvb.i_id >> 16;
- if( i_wanted_magazine == 0 )
- i_wanted_magazine = 8;
- p_sys->i_wanted_page = vbi_bcd2dec(p_dec->fmt_in.subs.dvb.i_id & 0xff);
- p_sys->i_wanted_page += 100*i_wanted_magazine;
+ p_sys->i_wanted_page = 100 * p_dec->fmt_in.subs.teletext.i_magazine +
+ vbi_bcd2dec( p_dec->fmt_in.subs.teletext.i_page );
+ var_SetInteger( p_dec, "vbi-page", p_sys->i_wanted_page );
}
p_sys->i_wanted_subpage = VBI_ANY_SUBNO;
// var_AddCallback( p_dec, "vbi-text", Text, p_sys );
/* Listen for keys */
- var_AddCallback( p_dec->p_libvlc, "key-pressed", EventKey, p_sys );
+ var_AddCallback( p_dec->p_libvlc, "key-pressed", EventKey, p_dec );
- es_format_Init( &p_dec->fmt_out, SPU_ES, VLC_FOURCC( 's','p','u',' ' ) );
+ es_format_Init( &p_dec->fmt_out, SPU_ES, VLC_CODEC_SPU );
if( p_sys->b_text )
- p_dec->fmt_out.video.i_chroma = VLC_FOURCC('T','E','X','T');
+ p_dec->fmt_out.video.i_chroma = VLC_CODEC_TEXT;
else
- p_dec->fmt_out.video.i_chroma = VLC_FOURCC('R','G','B','A');
+ p_dec->fmt_out.video.i_chroma = VLC_CODEC_RGBA;
return VLC_SUCCESS;
}
var_DelCallback( p_dec, "vbi-position", Position, p_sys );
var_DelCallback( p_dec, "vbi-opaque", Opaque, p_sys );
var_DelCallback( p_dec, "vbi-page", RequestPage, p_sys );
- var_DelCallback( p_dec->p_libvlc, "key-pressed", EventKey, p_sys );
+ var_DelCallback( p_dec->p_libvlc, "key-pressed", EventKey, p_dec );
vlc_mutex_destroy( &p_sys->lock );
if( p_sys->p_vbi_dec )
vbi_decoder_delete( p_sys->p_vbi_dec );
- if( p_sys->p_dvb_demux )
- vbi_dvb_demux_delete( p_sys->p_dvb_demux );
free( p_sys );
}
-#define MAX_SLICES 32
-
#ifdef WORDS_BIGENDIAN
# define ZVBI_PIXFMT_RGBA32 VBI_PIXFMT_RGBA32_BE
#else
# define ZVBI_PIXFMT_RGBA32 VBI_PIXFMT_RGBA32_LE
#endif
-
/*****************************************************************************
* Decode:
*****************************************************************************/
video_format_t fmt;
bool b_cached = false;
vbi_page p_page;
- const uint8_t *p_pos;
- unsigned int i_left;
if( (pp_block == NULL) || (*pp_block == NULL) )
return NULL;
p_block = *pp_block;
*pp_block = NULL;
- p_pos = p_block->p_buffer;
- i_left = p_block->i_buffer;
-
- while( i_left > 0 )
+ if( p_block->i_buffer > 0 &&
+ ( ( p_block->p_buffer[0] >= 0x10 && p_block->p_buffer[0] <= 0x1f ) ||
+ ( p_block->p_buffer[0] >= 0x99 && p_block->p_buffer[0] <= 0x9b ) ) )
{
- vbi_sliced p_sliced[MAX_SLICES];
- unsigned int i_lines = 0;
- int64_t i_pts;
+ vbi_sliced *p_sliced = p_sys->p_vbi_sliced;
+ unsigned int i_lines = 0;
- i_lines = vbi_dvb_demux_cor( p_sys->p_dvb_demux, p_sliced,
- MAX_SLICES, &i_pts, &p_pos, &i_left );
+ p_block->i_buffer--;
+ p_block->p_buffer++;
+ while( p_block->i_buffer >= 2 )
+ {
+ int i_id = p_block->p_buffer[0];
+ unsigned i_size = p_block->p_buffer[1];
+
+ if( 2 + i_size > p_block->i_buffer )
+ break;
+
+ if( ( i_id == 0x02 || i_id == 0x03 ) && i_size >= 44 && i_lines < MAX_SLICES )
+ {
+ unsigned line_offset = p_block->p_buffer[2] & 0x1f;
+ unsigned field_parity = p_block->p_buffer[2] & 0x20;
+
+ p_sliced[i_lines].id = VBI_SLICED_TELETEXT_B;
+ if( line_offset > 0 )
+ p_sliced[i_lines].line = line_offset + (field_parity ? 0 : 313);
+ else
+ p_sliced[i_lines].line = 0;
+ for( int i = 0; i < 42; i++ )
+ p_sliced[i_lines].data[i] = vbi_rev8( p_block->p_buffer[4 + i] );
+ i_lines++;
+ }
+
+ p_block->i_buffer -= 2 + i_size;
+ p_block->p_buffer += 2 + i_size;
+ }
if( i_lines > 0 )
- vbi_decode( p_sys->p_vbi_dec, p_sliced, i_lines, i_pts / 90000.0 );
+ vbi_decode( p_sys->p_vbi_dec, p_sliced, i_lines, (double)p_block->i_pts / 1000000 );
}
/* */
vlc_mutex_unlock( &p_sys->lock );
/* Try to see if the page we want is in the cache yet */
+ memset( &p_page, 0, sizeof(vbi_page) );
b_cached = vbi_fetch_vt_page( p_sys->p_vbi_dec, &p_page,
vbi_dec2bcd( i_wanted_page ),
i_wanted_subpage, VBI_WST_LEVEL_3p5,
vbi_unref_page( &p_page );
if( p_spu != NULL )
{
- p_dec->pf_spu_buffer_del( p_dec, p_spu );
+ decoder_DeleteSubpicture( p_dec, p_spu );
p_spu = NULL;
}
/* If there is a page or sub to render, then we do that here */
/* Create the subpicture unit */
- p_spu = p_dec->pf_spu_buffer_new( p_dec );
+ p_spu = decoder_NewSubpicture( p_dec, NULL );
if( !p_spu )
{
msg_Warn( p_dec, "can't get spu buffer" );
}
memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = b_text ? VLC_FOURCC('T','E','X','T') :
- VLC_FOURCC('R','G','B','A');
- fmt.i_aspect = b_text ? 0 : VOUT_ASPECT_FACTOR;
+ fmt.i_chroma = b_text ? VLC_CODEC_TEXT : VLC_CODEC_RGBA;
+ fmt.i_sar_num = 0;
+ fmt.i_sar_den = 1;
if( b_text )
{
fmt.i_bits_per_pixel = 0;
}
else
{
- fmt.i_sar_num = fmt.i_sar_den = 1;
fmt.i_width = fmt.i_visible_width = i_columns * 12;
fmt.i_height = fmt.i_visible_height = i_rows * 10;
fmt.i_bits_per_pixel = 32;
if( p_spu->p_region == NULL )
{
msg_Err( p_dec, "cannot allocate SPU region" );
- p_dec->pf_spu_buffer_del( p_dec, p_spu );
+ decoder_DeleteSubpicture( p_dec, p_spu );
return NULL;
}
{
unsigned int x, y;
- assert( fmt.i_chroma == VLC_FOURCC('R','G','B','A' ) );
+ assert( fmt.i_chroma == VLC_CODEC_RGBA );
/* Kludge since zvbi doesn't provide an option to specify opacity. */
for( y = 0; y < fmt.i_height; y++ )
static int EventKey( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
- decoder_sys_t *p_sys = p_data;
- VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
+ decoder_t *p_dec = p_data;
+ decoder_sys_t *p_sys = p_dec->p_sys;
+
+ VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED( p_this );
/* FIXME: Capture + and - key for subpage browsing */
if( newval.i_int == '-' || newval.i_int == '+' )
if ( !vbi_bcd_digits_greater( p_sys->i_wanted_subpage, 0x00 ) || vbi_bcd_digits_greater( p_sys->i_wanted_subpage, 0x99 ) )
p_sys->i_wanted_subpage = VBI_ANY_SUBNO;
else
- vout_OSDMessage( p_this, DEFAULT_CHAN, "%s: %d", _("Subpage"), vbi_bcd2dec( p_sys->i_wanted_subpage) );
+ msg_Info( p_dec, "subpage: %d",
+ vbi_bcd2dec( p_sys->i_wanted_subpage) );
p_sys->b_update = true;
vlc_mutex_unlock( &p_sys->lock );
p_sys->i_key[0] = p_sys->i_key[1];
p_sys->i_key[1] = p_sys->i_key[2];
p_sys->i_key[2] = (int)(newval.i_int - '0');
- 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') );
+ msg_Info( p_dec, "page: %c%c%c", (char)(p_sys->i_key[0]+'0'),
+ (char)(p_sys->i_key[1]+'0'), (char)(p_sys->i_key[2]+'0') );
+
+ int i_new_page = 0;
if( p_sys->i_key[0] > 0 && p_sys->i_key[0] <= 8 &&
p_sys->i_key[1] >= 0 && p_sys->i_key[1] <= 9 &&
p_sys->i_key[2] >= 0 && p_sys->i_key[2] <= 9 )
{
- p_sys->i_wanted_page = p_sys->i_key[0]*100 + p_sys->i_key[1]*10 + p_sys->i_key[2];
- p_sys->i_wanted_subpage = VBI_ANY_SUBNO;
+ i_new_page = p_sys->i_key[0]*100 + p_sys->i_key[1]*10 + p_sys->i_key[2];
p_sys->i_key[0] = p_sys->i_key[1] = p_sys->i_key[2] = '*' - '0';
}
vlc_mutex_unlock( &p_sys->lock );
+ if( i_new_page > 0 )
+ var_SetInteger( p_dec, "vbi-page", i_new_page );
+
return VLC_SUCCESS;
}
projects / vlc / blobdiff