/*****************************************************************************
* subtitle.c: Demux vobsub files.
*****************************************************************************
- * Copyright (C) 1999-2004 VideoLAN
+ * Copyright (C) 1999-2004 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* 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, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h>
+#include <vlc/vlc.h>
#include <errno.h>
#include <sys/types.h>
-#include <vlc/vlc.h>
-#include <vlc/input.h>
-#include "vlc_video.h"
+#include <vlc_demux.h>
+#include <vlc_charset.h>
#include "ps.h"
static void Close( vlc_object_t *p_this );
vlc_module_begin();
- set_description( _("Vobsub subtitles demux") );
+ set_description( _("Vobsub subtitles parser") );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_DEMUX );
set_capability( "demux2", 1 );
-
+
set_callbacks( Open, Close );
add_shortcut( "vobsub" );
es_format_t fmt;
es_out_id_t *p_es;
int i_track_id;
-
+
int i_current_subtitle;
int i_subtitles;
subtitle_t *p_subtitles;
+
+ int64_t i_delay;
} vobsub_track_t;
struct demux_sys_t
int64_t i_length;
text_t txt;
- FILE *p_vobsub_file;
-
+ stream_t *p_vobsub_stream;
+
/* all tracks */
int i_tracks;
vobsub_track_t *track;
-
+
int i_original_frame_width;
int i_original_frame_height;
+ vlc_bool_t b_palette;
+ uint32_t palette[16];
};
static int Demux( demux_t * );
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
p_sys->i_length = 0;
- p_sys->p_vobsub_file = NULL;
+ p_sys->p_vobsub_stream = NULL;
p_sys->i_tracks = 0;
p_sys->track = (vobsub_track_t *)malloc( sizeof( vobsub_track_t ) );
p_sys->i_original_frame_width = -1;
p_sys->i_original_frame_height = -1;
+ p_sys->b_palette = VLC_FALSE;
+ memset( p_sys->palette, 0, 16 * sizeof( uint32_t ) );
/* Load the whole file */
TextLoad( &p_sys->txt, p_demux->s );
}
}
- i_len = strlen( p_demux->psz_path );
- psz_vobname = strdup( p_demux->psz_path );
-
- strcpy( psz_vobname + i_len - 4, ".sub" );
+ asprintf( &psz_vobname, "%s://%s", p_demux->psz_access, p_demux->psz_path );
+ i_len = strlen( psz_vobname );
+ if( i_len >= 4 ) memcpy( psz_vobname + i_len - 4, ".sub", 4 );
/* open file */
- if( !( p_sys->p_vobsub_file = fopen( psz_vobname, "rb" ) ) )
+ p_sys->p_vobsub_stream = stream_UrlNew( p_demux, psz_vobname );
+ if( p_sys->p_vobsub_stream == NULL )
{
msg_Err( p_demux, "couldn't open .sub Vobsub file: %s",
psz_vobname );
- free( p_sys );
free( psz_vobname );
+ free( p_sys );
return VLC_EGENERIC;
}
free( psz_vobname );
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
+ int i;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
- /* Clean all subs from all tracks
- if( p_sys->subtitle )
- free( p_sys->subtitle );
-*/
- if( p_sys->p_vobsub_file )
- fclose( p_sys->p_vobsub_file );
+ /* Clean all subs from all tracks */
+ for( i = 0; i < p_sys->i_tracks; i++ )
+ {
+ if( p_sys->track[i].p_subtitles ) free( p_sys->track[i].p_subtitles );
+ }
+ if( p_sys->track ) free( p_sys->track );
+
+ if( p_sys->p_vobsub_stream )
+ stream_Delete( p_sys->p_vobsub_stream );
free( p_sys );
}
if( i_size <= 0 ) i_size = 65535; /* Invalid or EOF */
/* Seek at the right place */
- if( fseek( p_sys->p_vobsub_file, i_pos, SEEK_SET ) )
+ if( stream_Seek( p_sys->p_vobsub_stream, i_pos ) )
{
msg_Warn( p_demux,
- "cannot seek at right vobsub location %d", i_pos );
+ "cannot seek in the VobSub to the correct time %d", i_pos );
tk.i_current_subtitle++;
continue;
}
}
/* read data */
- p_block->i_buffer = fread( p_block->p_buffer, 1, i_size,
- p_sys->p_vobsub_file );
+ p_block->i_buffer = stream_Read( p_sys->p_vobsub_stream, p_block->p_buffer, i_size );
if( p_block->i_buffer <= 6 )
{
block_Release( p_block );
if( txt->i_line_count <= 0 )
{
- free( txt->line );
+ if( txt->line ) free( txt->line );
return VLC_EGENERIC;
}
for( i = 0; i < txt->i_line_count; i++ )
{
- free( txt->line[i] );
+ if( txt->line[i] ) free( txt->line[i] );
}
- free( txt->line );
+ if( txt->line ) free( txt->line );
txt->i_line = 0;
txt->i_line_count = 0;
}
{
return( VLC_EGENERIC );
}
-
- if( *line == 0 || *line == '\r' || *line == '\n' || *line == '#' )
+
+ if( *line == 0 || *line == '\r' || *line == '\n' || *line == '#' )
continue;
else if( !strncmp( "size:", line, 5 ) )
{
msg_Warn( p_demux, "reading original frame size failed" );
}
}
+ else if( !strncmp( "palette:", line, 8 ) )
+ {
+ int i;
+
+ /* Store the palette of the subs */
+ if( sscanf( line, "palette: %x, %x, %x, %x, %x, %x, %x, %x, %x, %x, %x, %x, %x, %x, %x, %x",
+ &p_sys->palette[0], &p_sys->palette[1], &p_sys->palette[2], &p_sys->palette[3],
+ &p_sys->palette[4], &p_sys->palette[5], &p_sys->palette[6], &p_sys->palette[7],
+ &p_sys->palette[8], &p_sys->palette[9], &p_sys->palette[10], &p_sys->palette[11],
+ &p_sys->palette[12], &p_sys->palette[13], &p_sys->palette[14], &p_sys->palette[15] ) == 16 )
+ {
+ for( i = 0; i < 16; i++ )
+ {
+ uint8_t r = 0, g = 0, b = 0;
+ uint8_t y = 0, u = 0, v = 0;
+ r = (p_sys->palette[i] >> 16) & 0xff;
+ g = (p_sys->palette[i] >> 8) & 0xff;
+ b = (p_sys->palette[i] >> 0) & 0xff;
+ /* msg_Dbg( p_demux, "palette %d: R=%x, G=%x, B=%x", i, r, g, b ); */
+ y = (uint8_t) __MIN(abs(r * 2104 + g * 4130 + b * 802 + 4096 + 131072) >> 13, 235);
+ u = (uint8_t) __MIN(abs(r * -1214 + g * -2384 + b * 3598 + 4096 + 1048576) >> 13, 240);
+ v = (uint8_t) __MIN(abs(r * 3598 + g * -3013 + b * -585 + 4096 + 1048576) >> 13, 240);
+ p_sys->palette[i] = 0;
+ p_sys->palette[i] |= (y&0xff)<<16;
+ p_sys->palette[i] |= (u&0xff);
+ p_sys->palette[i] |= (v&0xff)<<8;
+ /* msg_Dbg( p_demux, "palette %d: y=%x, u=%x, v=%x", i, y, u, v ); */
+
+ }
+ p_sys->b_palette = VLC_TRUE;
+ msg_Dbg( p_demux, "vobsub palette read" );
+ }
+ else
+ {
+ msg_Warn( p_demux, "reading original palette failed" );
+ }
+ }
else if( !strncmp( "id:", line, 3 ) )
{
char language[20];
current_tk->i_subtitles = 0;
current_tk->p_subtitles = (subtitle_t*)malloc( sizeof( subtitle_t ) );;
current_tk->i_track_id = i_track_id;
+ current_tk->i_delay = (int64_t)0;
es_format_Init( &fmt, SPU_ES, VLC_FOURCC( 's','p','u',' ' ) );
fmt.subs.spu.i_original_frame_width = p_sys->i_original_frame_width;
fmt.subs.spu.i_original_frame_height = p_sys->i_original_frame_height;
fmt.psz_language = strdup( language );
- current_tk->p_es = es_out_Add( p_demux->out, &fmt );
+ if( p_sys->b_palette )
+ {
+ fmt.subs.spu.palette[0] = 0xBeef;
+ memcpy( &fmt.subs.spu.palette[1], p_sys->palette, 16 * sizeof( uint32_t ) );
+ }
+ current_tk->p_es = es_out_Add( p_demux->out, &fmt );
msg_Dbg( p_demux, "new vobsub track detected" );
}
else
else if( !strncmp( line, "timestamp:", 10 ) )
{
/*
- * timestamp: hh:mm:ss:mss, filepos: loc
+ * timestamp: [sign]hh:mm:ss:mss, filepos: loc
* loc is the hex location of the spu in the .sub file
- *
*/
- int h, m, s, ms, loc;
+ int h, m, s, ms, count, loc = 0;
+ int i_sign = 1;
int64_t i_start, i_location = 0;
-
+
vobsub_track_t *current_tk = &p_sys->track[p_sys->i_tracks - 1];
- if( sscanf( line, "timestamp: %d:%d:%d:%d, filepos: %x",
- &h, &m, &s, &ms, &loc ) == 5 )
+ if( sscanf( line, "timestamp: %d%n:%d:%d:%d, filepos: %x",
+ &h, &count, &m, &s, &ms, &loc ) >= 5 )
{
subtitle_t *current_sub;
-
+
+ if( line[count-3] == '-' )
+ {
+ i_sign = -1;
+ h = -h;
+ }
i_start = (int64_t) ( h * 3600*1000 +
m * 60*1000 +
s * 1000 +
ms ) * 1000;
i_location = loc;
-
+
current_tk->i_subtitles++;
current_tk->p_subtitles = (subtitle_t*)realloc( current_tk->p_subtitles, sizeof( subtitle_t ) * (current_tk->i_subtitles + 1 ) );
current_sub = ¤t_tk->p_subtitles[current_tk->i_subtitles - 1];
-
- current_sub->i_start = (int64_t) i_start;
+
+ current_sub->i_start = (int64_t) i_start * i_sign;
+ current_sub->i_start += current_tk->i_delay;
current_sub->i_vobsub_location = i_location;
}
}
+ else if( !strncasecmp( line, "delay:", 6 ) )
+ {
+ /*
+ * delay: [sign]hh:mm:ss:mss
+ */
+ int h, m, s, ms, count = 0;
+ int i_sign = 1;
+ int64_t i_gap = 0;
+
+ vobsub_track_t *current_tk = &p_sys->track[p_sys->i_tracks - 1];
+
+ if( sscanf( line, "%*celay: %d%n:%d:%d:%d",
+ &h, &count, &m, &s, &ms ) >= 4 )
+ {
+ if( line[count-3] == '-' )
+ {
+ i_sign = -1;
+ h = -h;
+ }
+ i_gap = (int64_t) ( h * 3600*1000 +
+ m * 60*1000 +
+ s * 1000 +
+ ms ) * 1000;
+
+ current_tk->i_delay = current_tk->i_delay + (i_gap * i_sign);
+ msg_Dbg( p_demux, "sign: %+d gap: %+lld global delay: %+lld",
+ i_sign, (long long)i_gap,
+ (long long)current_tk->i_delay );
+ }
+ }
}
return( 0 );
}
#define tk p_sys->track[i]
p_pkt->i_dts = p_pkt->i_pts = p_bk->i_pts;
p_pkt->i_length = 0;
-
+
if( tk.p_es && tk.i_track_id == i_spu )
{
es_out_Send( p_demux->out, tk.p_es, p_pkt );