/*****************************************************************************
- * subtitle.c: Demux vobsub files.
+ * vobsub.c: Demux vobsub files.
*****************************************************************************
- * Copyright (C) 1999-2004 the VideoLAN team
+ * Copyright (C) 1999-2004 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Derk-Jan Hartman <hartman at videolan dot org>
*
- * 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <limits.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
#include <vlc_demux.h>
-#include <vlc_charset.h>
#include "ps.h"
-
-#define MAX_LINE 8192
+#include "vobsub.h"
/*****************************************************************************
* Module descriptor
static int Open ( vlc_object_t *p_this );
static void Close( vlc_object_t *p_this );
-vlc_module_begin();
- set_description( _("Vobsub subtitles parser") );
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_DEMUX );
- set_capability( "demux2", 1 );
+vlc_module_begin ()
+ set_description( N_("Vobsub subtitles parser") )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_DEMUX )
+ set_capability( "demux", 1 )
- set_callbacks( Open, Close );
+ set_callbacks( Open, Close )
- add_shortcut( "vobsub" );
- add_shortcut( "subtitle" );
-vlc_module_end();
+ add_shortcut( "vobsub", "subtitle" )
+vlc_module_end ()
/*****************************************************************************
* Prototypes:
int i_line;
char **line;
} text_t;
-static int TextLoad( text_t *, stream_t *s );
-static void TextUnload( text_t * );
typedef struct
{
typedef struct
{
- es_format_t fmt;
es_out_id_t *p_es;
int i_track_id;
struct demux_sys_t
{
- int64_t i_next_demux_date;
- int64_t i_length;
+ int64_t i_next_demux_date;
+ int64_t i_length;
- text_t txt;
- stream_t *p_vobsub_stream;
+ text_t txt;
+ 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];
+ int i_original_frame_width;
+ int i_original_frame_height;
+ bool b_palette;
+ uint32_t palette[16];
};
+
static int Demux( demux_t * );
static int Control( demux_t *, int, va_list );
+static int TextLoad( text_t *, stream_t *s );
+static void TextUnload( text_t * );
static int ParseVobSubIDX( demux_t * );
static int DemuxVobSub( demux_t *, block_t *);
return VLC_EGENERIC;
}
free( s );
-
}
else
{
return VLC_EGENERIC;
}
- p_demux->pf_demux = Demux;
- p_demux->pf_control = Control;
+ /* */
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+ if( unlikely( !p_sys ) )
+ return VLC_ENOMEM;
+
p_sys->i_length = 0;
p_sys->p_vobsub_stream = NULL;
p_sys->i_tracks = 0;
- p_sys->track = (vobsub_track_t *)malloc( sizeof( vobsub_track_t ) );
+ p_sys->track = malloc( sizeof( vobsub_track_t ) );
+ if( unlikely( !p_sys->track ) )
+ goto error;
p_sys->i_original_frame_width = -1;
p_sys->i_original_frame_height = -1;
- p_sys->b_palette = VLC_FALSE;
+ p_sys->b_palette = false;
memset( p_sys->palette, 0, 16 * sizeof( uint32_t ) );
/* Load the whole file */
/* Find the total length of the vobsubs */
if( p_sys->i_tracks > 0 )
{
- int i;
- for( i = 0; i < p_sys->i_tracks; i++ )
+ for( int i = 0; i < p_sys->i_tracks; i++ )
{
if( p_sys->track[i].i_subtitles > 1 )
{
}
}
- asprintf( &psz_vobname, "%s://%s", p_demux->psz_access, p_demux->psz_path );
+ if( asprintf( &psz_vobname, "%s://%s", p_demux->psz_access, p_demux->psz_location ) == -1 )
+ goto error;
+
i_len = strlen( psz_vobname );
if( i_len >= 4 ) memcpy( psz_vobname + i_len - 4, ".sub", 4 );
msg_Err( p_demux, "couldn't open .sub Vobsub file: %s",
psz_vobname );
free( psz_vobname );
- free( p_sys );
- return VLC_EGENERIC;
+ goto error;
}
free( psz_vobname );
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
+
return VLC_SUCCESS;
+
+error:
+ /* Clean all subs from all tracks */
+ for( int i = 0; i < p_sys->i_tracks; i++ )
+ free( p_sys->track[i].p_subtitles );
+ free( p_sys->track );
+ free( p_sys );
+
+ return VLC_EGENERIC;
}
/*****************************************************************************
*****************************************************************************/
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 */
- 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 );
+ /* Clean all subs from all tracks */
+ for( int i = 0; i < p_sys->i_tracks; i++ )
+ free( p_sys->track[i].p_subtitles );
+ free( p_sys->track );
free( p_sys );
}
pi64 = (int64_t*)va_arg( args, int64_t * );
for( i = 0; i < p_sys->i_tracks; i++ )
{
- vlc_bool_t b_selected;
+ bool b_selected;
/* Check the ES is selected */
es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
p_sys->track[i].p_es, &b_selected );
pf = (double*)va_arg( args, double * );
for( i = 0; i < p_sys->i_tracks; i++ )
{
- vlc_bool_t b_selected;
+ bool b_selected;
/* Check the ES is selected */
es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
p_sys->track[i].p_es, &b_selected );
p_sys->i_next_demux_date = (int64_t)va_arg( args, int64_t );
return VLC_SUCCESS;
+ case DEMUX_GET_PTS_DELAY:
case DEMUX_GET_FPS:
case DEMUX_GET_META:
case DEMUX_GET_TITLE_INFO:
+ case DEMUX_HAS_UNSUPPORTED_META:
+ case DEMUX_GET_ATTACHMENTS:
+ case DEMUX_CAN_RECORD:
return VLC_EGENERIC;
default:
- msg_Err( p_demux, "unknown query in subtitle control" );
+ msg_Warn( p_demux, "unknown query in subtitle control" );
return VLC_EGENERIC;
}
}
{
demux_sys_t *p_sys = p_demux->p_sys;
int64_t i_maxdate;
- int i;
+ int i_read;
- for( i = 0; i < p_sys->i_tracks; i++ )
+ for( int i = 0; i < p_sys->i_tracks; i++ )
{
#define tk p_sys->track[i]
if( tk.i_current_subtitle >= tk.i_subtitles )
continue;
- i_maxdate = (int64_t) p_sys->i_next_demux_date;
+ i_maxdate = p_sys->i_next_demux_date;
if( i_maxdate <= 0 && tk.i_current_subtitle < tk.i_subtitles )
{
/* Should not happen */
- i_maxdate = (int64_t) tk.p_subtitles[tk.i_current_subtitle].i_start + 1;
+ i_maxdate = tk.p_subtitles[tk.i_current_subtitle].i_start + 1;
}
while( tk.i_current_subtitle < tk.i_subtitles &&
}
/* allocate a packet */
- if( ( p_block = block_New( p_demux, i_size ) ) == NULL )
+ if( ( p_block = block_Alloc( i_size ) ) == NULL )
{
tk.i_current_subtitle++;
continue;
}
/* read data */
- p_block->i_buffer = stream_Read( p_sys->p_vobsub_stream, p_block->p_buffer, i_size );
- if( p_block->i_buffer <= 6 )
+ i_read = stream_Read( p_sys->p_vobsub_stream, p_block->p_buffer, i_size );
+ if( i_read <= 6 )
{
block_Release( p_block );
tk.i_current_subtitle++;
continue;
}
+ p_block->i_buffer = i_read;
/* pts */
- p_block->i_pts = tk.p_subtitles[tk.i_current_subtitle].i_start;
+ p_block->i_pts = VLC_TS_0 + tk.p_subtitles[tk.i_current_subtitle].i_start;
/* demux this block */
DemuxVobSub( p_demux, p_block );
static int TextLoad( text_t *txt, stream_t *s )
{
- int i_line_max;
-
- /* init txt */
- i_line_max = 500;
- txt->i_line_count = 0;
- txt->i_line = 0;
- txt->line = calloc( i_line_max, sizeof( char * ) );
+ char **lines = NULL;
+ size_t n = 0;
/* load the complete file */
for( ;; )
{
char *psz = stream_ReadLine( s );
+ char **ppsz_new;
- if( psz == NULL )
+ if( psz == NULL || (n >= INT_MAX/sizeof(char *)) )
+ {
+ free( psz );
break;
+ }
- txt->line[txt->i_line_count++] = psz;
- if( txt->i_line_count >= i_line_max )
+ ppsz_new = realloc( lines, (n + 1) * sizeof (char *) );
+ if( ppsz_new == NULL )
{
- i_line_max += 100;
- txt->line = realloc( txt->line, i_line_max * sizeof( char*) );
+ free( psz );
+ break;
}
+ lines = ppsz_new;
+ lines[n++] = psz;
}
- if( txt->i_line_count <= 0 )
- {
- if( txt->line ) free( txt->line );
- return VLC_EGENERIC;
- }
+ txt->i_line_count = n;
+ txt->i_line = 0;
+ txt->line = lines;
return VLC_SUCCESS;
}
+
static void TextUnload( text_t *txt )
{
- int i;
+ for( int i = 0; i < txt->i_line_count; i++ )
+ free( txt->line[i] );
+ free( txt->line );
- for( i = 0; i < txt->i_line_count; i++ )
- {
- if( txt->line[i] ) free( txt->line[i] );
- }
- if( txt->line ) free( txt->line );
txt->i_line = 0;
txt->i_line_count = 0;
}
demux_sys_t *p_sys = p_demux->p_sys;
text_t *txt = &p_sys->txt;
char *line;
- vobsub_track_t *current_tk;
+ vobsub_track_t *current_tk = NULL;
for( ;; )
{
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 ) )
{
/* Store the original size of the video */
- if( sscanf( line, "size: %dx%d",
- &p_sys->i_original_frame_width, &p_sys->i_original_frame_height ) == 2 )
+ if( vobsub_size_parse( line, &p_sys->i_original_frame_width,
+ &p_sys->i_original_frame_height ) == VLC_SUCCESS )
{
msg_Dbg( p_demux, "original frame size: %dx%d", p_sys->i_original_frame_width, p_sys->i_original_frame_height );
}
}
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 )
+ if( vobsub_palette_parse( line, p_sys->palette ) == VLC_SUCCESS )
{
- 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;
+ p_sys->b_palette = true;
msg_Dbg( p_demux, "vobsub palette read" );
}
else
}
else if( !strncmp( "id:", line, 3 ) )
{
- char language[20];
+ char language[33]; /* Usually 2 or 3 letters, sometimes more.
+ Spec (or lack of) doesn't define any limit */
int i_track_id;
es_format_t fmt;
/* Lets start a new track */
- if( sscanf( line, "id: %2s, index: %d",
- language, &i_track_id ) == 2 )
+ if( sscanf( line, "id: %32[^ ,], index: %d",
+ language, &i_track_id ) != 2 )
{
- p_sys->i_tracks++;
- p_sys->track = (vobsub_track_t*)realloc( p_sys->track, sizeof( vobsub_track_t ) * (p_sys->i_tracks + 1 ) );
-
- /* Init the track */
- current_tk = &p_sys->track[p_sys->i_tracks - 1];
- memset( current_tk, 0, sizeof( vobsub_track_t ) );
- current_tk->i_current_subtitle = 0;
- 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 );
- if( p_sys->b_palette )
+ if( sscanf( line, "id: , index: %d", &i_track_id ) != 1 )
{
- fmt.subs.spu.palette[0] = 0xBeef;
- memcpy( &fmt.subs.spu.palette[1], p_sys->palette, 16 * sizeof( uint32_t ) );
+ msg_Warn( p_demux, "reading new track failed" );
+ continue;
}
-
- current_tk->p_es = es_out_Add( p_demux->out, &fmt );
- msg_Dbg( p_demux, "new vobsub track detected" );
+ language[0] = '\0';
}
- else
+
+ p_sys->i_tracks++;
+ p_sys->track = xrealloc( p_sys->track,
+ sizeof( vobsub_track_t ) * (p_sys->i_tracks + 1 ) );
+
+ /* Init the track */
+ current_tk = &p_sys->track[p_sys->i_tracks - 1];
+ memset( current_tk, 0, sizeof( vobsub_track_t ) );
+ current_tk->i_current_subtitle = 0;
+ current_tk->i_subtitles = 0;
+ current_tk->p_subtitles = xmalloc( 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_CODEC_SPU );
+ 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 = language;
+ if( p_sys->b_palette )
{
- msg_Warn( p_demux, "reading new track failed" );
+ 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 if( !strncmp( line, "timestamp:", 10 ) )
{
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%n:%d:%d:%d, filepos: %x",
+ if( p_sys->i_tracks > 0 &&
+ sscanf( line, "timestamp: %d%n:%d:%d:%d, filepos: %x",
&h, &count, &m, &s, &ms, &loc ) >= 5 )
{
+ vobsub_track_t *current_tk = &p_sys->track[p_sys->i_tracks - 1];
subtitle_t *current_sub;
if( line[count-3] == '-' )
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_tk->p_subtitles =
+ xrealloc( 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 * i_sign;
+ current_sub->i_start = i_start * i_sign;
current_sub->i_start += current_tk->i_delay;
current_sub->i_vobsub_location = i_location;
}
+ else
+ {
+ msg_Warn( p_demux, "reading timestamp failed" );
+ }
}
else if( !strncasecmp( line, "delay:", 6 ) )
{
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",
+ if( p_sys->i_tracks > 0 &&
+ sscanf( line, "%*celay: %d%n:%d:%d:%d",
&h, &count, &m, &s, &ms ) >= 4 )
{
+ vobsub_track_t *current_tk = &p_sys->track[p_sys->i_tracks - 1];
if( line[count-3] == '-' )
{
i_sign = -1;
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, i_gap, current_tk->i_delay );
+ msg_Dbg( p_demux, "sign: %+d gap: %+"PRId64" global delay: %+"PRId64"",
+ i_sign, i_gap, current_tk->i_delay );
+ }
+ else
+ {
+ msg_Warn( p_demux, "reading delay failed" );
}
}
}
uint8_t *p_end = &p_bk->p_buffer[p_bk->i_buffer];
int i;
- while( p < p_end )
+ while( p + 6 < p_end )
{
int i_size = ps_pkt_size( p, p_end - p );
block_t *p_pkt;
int i_spu;
if( i_size <= 0 )
+ break;
+
+ if( i_size > p_end - p )
{
+ msg_Warn( p_demux, "broken PES size" );
break;
}
+
if( p[0] != 0 || p[1] != 0 || p[2] != 0x01 )
{
msg_Warn( p_demux, "invalid PES" );
}
/* Create a block */
- p_pkt = block_New( p_demux, i_size );
+ p_pkt = block_Alloc( i_size );
+ if( unlikely(p_pkt == NULL) )
+ break;
memcpy( p_pkt->p_buffer, p, i_size);
p += i_size;
for( i = 0; i < p_sys->i_tracks; i++ )
{
-#define tk p_sys->track[i]
+ vobsub_track_t *p_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 )
+ if( p_tk->p_es && p_tk->i_track_id == i_spu )
{
- es_out_Send( p_demux->out, tk.p_es, p_pkt );
- p_bk->i_pts = 0; /*only first packet has a pts */
+ es_out_Send( p_demux->out, p_tk->p_es, p_pkt );
+ p_bk->i_pts = VLC_TS_INVALID; /*only first packet has a pts */
break;
}
- else if( i == p_sys->i_tracks - 1 )
- {
- block_Release( p_pkt );
- }
-#undef tk
+ }
+ if( i >= p_sys->i_tracks )
+ {
+ block_Release( p_pkt );
}
}
return VLC_SUCCESS;
}
+