# include "config.h"
#endif
-#include <vlc/vlc.h>
+#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_vout.h>
#include <vlc_codec.h>
#include <vlc_input.h>
-#include <vlc_osd.h>
#include <vlc_filter.h>
#include <vlc_image.h>
#include <vlc_charset.h>
#include <vlc_stream.h>
#include <vlc_xml.h>
-#include <errno.h>
#include <string.h>
+#include <assert.h>
+
/*****************************************************************************
* Module descriptor.
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
-vlc_module_begin();
- set_shortname( N_("CC 608/708"));
- set_description( N_("Closed Captions decoder") );
- set_capability( "decoder", 50 );
- set_callbacks( Open, Close );
-vlc_module_end();
+vlc_module_begin ()
+ set_shortname( N_("CC 608/708"))
+ set_description( N_("Closed Captions decoder") )
+ set_capability( "decoder", 50 )
+ set_callbacks( Open, Close )
+vlc_module_end ()
/*****************************************************************************
* Local prototypes
p_dec->pf_decode_sub = Decode;
/* Allocate the memory needed to store the decoder's structure */
- p_dec->p_sys = p_sys = malloc( sizeof( *p_sys ) );
+ p_dec->p_sys = p_sys = calloc( 1, sizeof( *p_sys ) );
if( p_sys == NULL )
return VLC_ENOMEM;
/* init of p_sys */
- memset( p_sys, 0, sizeof( *p_sys ) );
- p_sys->i_block = 0;
-
p_sys->i_field = i_field;
p_sys->i_channel = i_channel;
Eia608Init( &p_sys->eia608 );
+ p_dec->fmt_out.i_cat = SPU_ES;
+ p_dec->fmt_out.i_codec = VLC_CODEC_TEXT;
+
return VLC_SUCCESS;
}
return NULL;
p_block = p_sys->pp_block[i_index = 0];
- if( p_block->i_pts > 0 )
+ if( p_block->i_pts > VLC_TS_INVALID )
{
for( i = 1; i < p_sys->i_block-1; i++ )
{
- if( p_sys->pp_block[i]->i_pts > 0 && p_block->i_pts > 0 &&
+ if( p_sys->pp_block[i]->i_pts > VLC_TS_INVALID && p_block->i_pts > VLC_TS_INVALID &&
p_sys->pp_block[i]->i_pts < p_block->i_pts )
p_block = p_sys->pp_block[i_index = i];
}
video_format_t fmt;
/* We cannot display a subpicture with no date */
- if( i_pts == 0 )
+ if( i_pts <= VLC_TS_INVALID )
{
msg_Warn( p_dec, "subtitle without a date" );
return NULL;
EnsureUTF8( psz_html );
/* 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" );
return NULL;
}
- p_spu->b_pausable = true;
-
/* Create a new subpicture region */
memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_FOURCC('T','E','X','T');
- fmt.i_aspect = 0;
+ fmt.i_chroma = VLC_CODEC_TEXT;
fmt.i_width = fmt.i_height = 0;
fmt.i_x_offset = fmt.i_y_offset = 0;
- p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
+ p_spu->p_region = subpicture_region_New( &fmt );
if( !p_spu->p_region )
{
msg_Err( p_dec, "cannot allocate SPU region" );
free( psz_subtitle );
free( psz_html );
- p_dec->pf_spu_buffer_del( p_dec, p_spu );
+ decoder_DeleteSubpicture( p_dec, p_spu );
return NULL;
}
/* Decode and format the subpicture unit */
/* Normal text subs, easy markup */
p_spu->p_region->i_align = SUBPICTURE_ALIGN_BOTTOM;// | SUBPICTURE_ALIGN_LEFT;// | p_sys->i_align;
- p_spu->i_x = 0; //p_sys->i_align ? 20 : 0;
- p_spu->i_y = 10;
+ p_spu->p_region->i_x = 0; //p_sys->i_align ? 20 : 0;
+ p_spu->p_region->i_y = 10;
p_spu->p_region->psz_text = psz_subtitle;
p_spu->p_region->psz_html = psz_html;
static subpicture_t *Convert( decoder_t *p_dec, block_t *p_block )
{
+ assert( p_block );
+
decoder_sys_t *p_sys = p_dec->p_sys;
const int64_t i_pts = p_block->i_pts;
bool b_changed = false;
if( p_block )
block_Release( p_block );
- static int64_t i_last = 0;
- if( b_changed )//&& i_pts - i_last > 100*1000 )
+ if( b_changed )
{
char *psz_subtitle = Eia608Text( &p_sys->eia608, false );
char *psz_html = NULL;//Eia608Text( &p_sys->eia608, true );
- i_last = i_pts;
return Subtitle( p_dec, psz_subtitle, psz_html, i_pts );
}
return NULL;
static void Eia608RollUp( eia608_t *h )
{
+ if( h->mode == EIA608_MODE_TEXT )
+ return;
+
const int i_screen = Eia608GetWritingScreenIndex( h );
eia608_screen *screen = &h->screen[i_screen];
/* Reset current row */
Eia608ClearScreenRow( h, i_screen, h->cursor.i_row );
}
-static void Eia608ParseChannel( eia608_t *h, uint8_t d1 )
+static void Eia608ParseChannel( eia608_t *h, const uint8_t d[2] )
{
- if( d1 == 0x14 )
- h->i_channel = 1;
- else if( d1 == 0x1c )
- h->i_channel = 2;
- else if( ( d1 >= 0x01 && d1 <= 0x0f ) || d1 == 0x15 )
+ /* Check odd parity */
+ static const int p4[16] = {
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0
+ };
+ if( p4[d[0] & 0xf] == p4[d[0] >> 4] ||
+ p4[d[1] & 0xf] == p4[ d[1] >> 4] )
+ {
+ h->i_channel = -1;
+ return;
+ }
+
+ /* */
+ const int d1 = d[0] & 0x7f;
+ if( d1 >= 0x10 && d1 <= 0x1f )
+ h->i_channel = 1 + ((d1 & 0x08) != 0);
+ else if( d1 < 0x10 )
h->i_channel = 3;
- else if( d1 == 0x1d )
- h->i_channel = 4;
}
static bool Eia608ParseTextAttribute( eia608_t *h, uint8_t d2 )
{
}
static bool Eia608Parse( eia608_t *h, int i_channel_selected, const uint8_t data[2] )
{
- const uint8_t d1 = data[0] & 0x7f; /* Removed parity bit TODO we might want to check them */
+ const uint8_t d1 = data[0] & 0x7f; /* Removed parity bit */
const uint8_t d2 = data[1] & 0x7f;
bool b_screen_changed = false;
if( d1 == 0 && d2 == 0 )
- return false; /* Ignore padding */
+ return false; /* Ignore padding (parity check are sometimes invalid on them) */
- Eia608ParseChannel( h, d1 );
+ Eia608ParseChannel( h, data );
if( h->i_channel != i_channel_selected )
return false;
//fprintf( stderr, "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC %x %x\n", data[0], data[1] );
static void Eia608Exit( eia608_t *h )
{
+ VLC_UNUSED( h );
}