mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
45ee8540f9
var_CreateGetBool( p_demux, "meta-preparsed" ) (The demuxer should NOT overwrite it) subtitle: do not look for p_input when not necessary.
1216 lines
34 KiB
C
1216 lines
34 KiB
C
/*****************************************************************************
|
|
* subtitle.c: Demux for subtitle text files.
|
|
*****************************************************************************
|
|
* Copyright (C) 1999-2007 the VideoLAN team
|
|
* $Id$
|
|
*
|
|
* 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
|
|
* (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.
|
|
*
|
|
* 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.
|
|
*****************************************************************************/
|
|
|
|
/*****************************************************************************
|
|
* Preamble
|
|
*****************************************************************************/
|
|
#include <vlc/vlc.h>
|
|
#include <vlc_input.h>
|
|
|
|
|
|
#include <errno.h>
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
# include <sys/types.h>
|
|
#endif
|
|
#include <ctype.h>
|
|
|
|
#include <vlc_demux.h>
|
|
#include <vlc_charset.h>
|
|
|
|
/*****************************************************************************
|
|
* Module descriptor
|
|
*****************************************************************************/
|
|
static int Open ( vlc_object_t *p_this );
|
|
static void Close( vlc_object_t *p_this );
|
|
|
|
#define SUB_DELAY_LONGTEXT \
|
|
N_("Apply a delay to all subtitles (in 1/10s, eg 100 means 10s).")
|
|
#define SUB_FPS_LONGTEXT \
|
|
N_("Override the normal frames per second settings. " \
|
|
"This will only work with MicroDVD and SubRIP (SRT) subtitles.")
|
|
#define SUB_TYPE_LONGTEXT \
|
|
N_("Force the subtiles format. Valid values are : \"microdvd\", " \
|
|
"\"subrip\", \"ssa1\", \"ssa2-4\", \"ass\", \"vplayer\" " \
|
|
"\"sami\", \"dvdsubtitle\", \"mpl2\" and \"auto\" (meaning autodetection, this " \
|
|
"should always work).")
|
|
static const char *ppsz_sub_type[] =
|
|
{
|
|
"auto", "microdvd", "subrip", "subviewer", "ssa1",
|
|
"ssa2-4", "ass", "vplayer", "sami", "dvdsubtitle", "mpl2"
|
|
};
|
|
|
|
vlc_module_begin();
|
|
set_shortname( _("Subtitles"));
|
|
set_description( _("Text subtitles parser") );
|
|
set_capability( "demux2", 0 );
|
|
set_category( CAT_INPUT );
|
|
set_subcategory( SUBCAT_INPUT_DEMUX );
|
|
add_float( "sub-fps", 0.0, NULL,
|
|
N_("Frames per second"),
|
|
SUB_FPS_LONGTEXT, VLC_TRUE );
|
|
add_integer( "sub-delay", 0, NULL,
|
|
N_("Subtitles delay"),
|
|
SUB_DELAY_LONGTEXT, VLC_TRUE );
|
|
add_string( "sub-type", "auto", NULL, N_("Subtitles format"),
|
|
SUB_TYPE_LONGTEXT, VLC_TRUE );
|
|
change_string_list( ppsz_sub_type, NULL, NULL );
|
|
set_callbacks( Open, Close );
|
|
|
|
add_shortcut( "subtitle" );
|
|
vlc_module_end();
|
|
|
|
/*****************************************************************************
|
|
* Prototypes:
|
|
*****************************************************************************/
|
|
enum
|
|
{
|
|
SUB_TYPE_UNKNOWN = -1,
|
|
SUB_TYPE_MICRODVD,
|
|
SUB_TYPE_SUBRIP,
|
|
SUB_TYPE_SSA1,
|
|
SUB_TYPE_SSA2_4,
|
|
SUB_TYPE_ASS,
|
|
SUB_TYPE_VPLAYER,
|
|
SUB_TYPE_SAMI,
|
|
SUB_TYPE_SUBVIEWER,
|
|
SUB_TYPE_DVDSUBTITLE,
|
|
SUB_TYPE_MPL2
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
int i_line_count;
|
|
int i_line;
|
|
char **line;
|
|
} text_t;
|
|
static int TextLoad( text_t *, stream_t *s );
|
|
static void TextUnload( text_t * );
|
|
|
|
typedef struct
|
|
{
|
|
int64_t i_start;
|
|
int64_t i_stop;
|
|
|
|
char *psz_text;
|
|
} subtitle_t;
|
|
|
|
|
|
struct demux_sys_t
|
|
{
|
|
int i_type;
|
|
text_t txt;
|
|
es_out_id_t *es;
|
|
|
|
int64_t i_next_demux_date;
|
|
int64_t i_microsecperframe;
|
|
|
|
char *psz_header;
|
|
int i_subtitle;
|
|
int i_subtitles;
|
|
subtitle_t *subtitle;
|
|
|
|
int64_t i_length;
|
|
};
|
|
|
|
static int ParseMicroDvd ( demux_t *, subtitle_t * );
|
|
static int ParseSubRip ( demux_t *, subtitle_t * );
|
|
static int ParseSubViewer ( demux_t *, subtitle_t * );
|
|
static int ParseSSA ( demux_t *, subtitle_t * );
|
|
static int ParseVplayer ( demux_t *, subtitle_t * );
|
|
static int ParseSami ( demux_t *, subtitle_t * );
|
|
static int ParseDVDSubtitle( demux_t *, subtitle_t * );
|
|
static int ParseMPL2 ( demux_t *, subtitle_t * );
|
|
|
|
static struct
|
|
{
|
|
const char *psz_type_name;
|
|
int i_type;
|
|
const char *psz_name;
|
|
int (*pf_read)( demux_t *, subtitle_t* );
|
|
} sub_read_subtitle_function [] =
|
|
{
|
|
{ "microdvd", SUB_TYPE_MICRODVD, "MicroDVD", ParseMicroDvd },
|
|
{ "subrip", SUB_TYPE_SUBRIP, "SubRIP", ParseSubRip },
|
|
{ "subviewer", SUB_TYPE_SUBVIEWER, "SubViewer", ParseSubViewer },
|
|
{ "ssa1", SUB_TYPE_SSA1, "SSA-1", ParseSSA },
|
|
{ "ssa2-4", SUB_TYPE_SSA2_4, "SSA-2/3/4", ParseSSA },
|
|
{ "ass", SUB_TYPE_ASS, "SSA/ASS", ParseSSA },
|
|
{ "vplayer", SUB_TYPE_VPLAYER, "VPlayer", ParseVplayer },
|
|
{ "sami", SUB_TYPE_SAMI, "SAMI", ParseSami },
|
|
{ "dvdsubtitle",SUB_TYPE_DVDSUBTITLE, "DVDSubtitle", ParseDVDSubtitle },
|
|
{ "mpl2", SUB_TYPE_MPL2, "MPL2", ParseMPL2 },
|
|
{ NULL, SUB_TYPE_UNKNOWN, "Unknown", NULL }
|
|
};
|
|
|
|
static int Demux( demux_t * );
|
|
static int Control( demux_t *, int, va_list );
|
|
|
|
/*static void Fix( demux_t * );*/
|
|
|
|
/*****************************************************************************
|
|
* Module initializer
|
|
*****************************************************************************/
|
|
static int Open ( vlc_object_t *p_this )
|
|
{
|
|
demux_t *p_demux = (demux_t*)p_this;
|
|
demux_sys_t *p_sys;
|
|
es_format_t fmt;
|
|
float f_fps;
|
|
char *psz_type;
|
|
int (*pf_read)( demux_t *, subtitle_t* );
|
|
int i, i_max;
|
|
|
|
if( !p_demux->b_force )
|
|
{
|
|
msg_Dbg( p_demux, "subtitle demux discarded" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
p_demux->pf_demux = Demux;
|
|
p_demux->pf_control = Control;
|
|
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
|
|
p_sys->psz_header = NULL;
|
|
p_sys->i_subtitle = 0;
|
|
p_sys->i_subtitles = 0;
|
|
p_sys->subtitle = NULL;
|
|
p_sys->i_microsecperframe = 40000;
|
|
|
|
/* Get the FPS */
|
|
f_fps = var_CreateGetFloat( p_demux, "sub-original-fps" );
|
|
if( f_fps >= 1.0 )
|
|
p_sys->i_microsecperframe = (int64_t)( (float)1000000 / f_fps );
|
|
|
|
msg_Dbg( p_demux, "Movie fps: %f", f_fps );
|
|
|
|
/* Check for override of the fps */
|
|
f_fps = var_CreateGetFloat( p_demux, "sub-fps" );
|
|
if( f_fps >= 1.0 )
|
|
{
|
|
p_sys->i_microsecperframe = (int64_t)( (float)1000000 / f_fps );
|
|
msg_Dbg( p_demux, "Override subtitle fps %f", f_fps );
|
|
}
|
|
|
|
/* Get or probe the type */
|
|
p_sys->i_type = SUB_TYPE_UNKNOWN;
|
|
psz_type = var_CreateGetString( p_demux, "sub-type" );
|
|
if( *psz_type )
|
|
{
|
|
int i;
|
|
|
|
for( i = 0; ; i++ )
|
|
{
|
|
if( sub_read_subtitle_function[i].psz_type_name == NULL )
|
|
break;
|
|
|
|
if( !strcmp( sub_read_subtitle_function[i].psz_type_name,
|
|
psz_type ) )
|
|
{
|
|
p_sys->i_type = sub_read_subtitle_function[i].i_type;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
free( psz_type );
|
|
|
|
/* Probe if unknown type */
|
|
if( p_sys->i_type == SUB_TYPE_UNKNOWN )
|
|
{
|
|
int i_try;
|
|
char *s = NULL;
|
|
|
|
msg_Dbg( p_demux, "autodetecting subtitle format" );
|
|
for( i_try = 0; i_try < 256; i_try++ )
|
|
{
|
|
int i_dummy;
|
|
|
|
if( ( s = stream_ReadLine( p_demux->s ) ) == NULL )
|
|
break;
|
|
|
|
if( strcasestr( s, "<SAMI>" ) )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_SAMI;
|
|
break;
|
|
}
|
|
else if( sscanf( s, "{%d}{%d}", &i_dummy, &i_dummy ) == 2 ||
|
|
sscanf( s, "{%d}{}", &i_dummy ) == 1)
|
|
{
|
|
p_sys->i_type = SUB_TYPE_MICRODVD;
|
|
break;
|
|
}
|
|
else if( sscanf( s,
|
|
"%d:%d:%d,%d --> %d:%d:%d,%d",
|
|
&i_dummy,&i_dummy,&i_dummy,&i_dummy,
|
|
&i_dummy,&i_dummy,&i_dummy,&i_dummy ) == 8 )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_SUBRIP;
|
|
break;
|
|
}
|
|
else if( !strncasecmp( s, "!: This is a Sub Station Alpha v1", 33 ) )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_SSA1;
|
|
break;
|
|
}
|
|
else if( !strncasecmp( s, "ScriptType: v4.00+", 18 ) )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_ASS;
|
|
break;
|
|
}
|
|
else if( !strncasecmp( s, "ScriptType: v4.00", 17 ) )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_SSA2_4;
|
|
break;
|
|
}
|
|
else if( !strncasecmp( s, "Dialogue: Marked", 16 ) )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_SSA2_4;
|
|
break;
|
|
}
|
|
else if( !strncasecmp( s, "Dialogue:", 9 ) )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_ASS;
|
|
break;
|
|
}
|
|
else if( strcasestr( s, "[INFORMATION]" ) )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_SUBVIEWER; /* I hope this will work */
|
|
break;
|
|
}
|
|
else if( sscanf( s, "%d:%d:%d:", &i_dummy, &i_dummy, &i_dummy ) == 3 ||
|
|
sscanf( s, "%d:%d:%d ", &i_dummy, &i_dummy, &i_dummy ) == 3 )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_VPLAYER;
|
|
break;
|
|
}
|
|
else if( sscanf( s, "{T %d:%d:%d:%d", &i_dummy, &i_dummy,
|
|
&i_dummy, &i_dummy ) == 4 )
|
|
{
|
|
p_sys->i_type = SUB_TYPE_DVDSUBTITLE;
|
|
break;
|
|
}
|
|
else if( sscanf( s, "[%d][%d]", &i_dummy, &i_dummy ) == 2 ||
|
|
sscanf( s, "[%d][]", &i_dummy ) == 1)
|
|
{
|
|
p_sys->i_type = SUB_TYPE_MPL2;
|
|
break;
|
|
}
|
|
|
|
free( s );
|
|
s = NULL;
|
|
}
|
|
|
|
if( s ) free( s );
|
|
|
|
/* It will nearly always work even for non seekable stream thanks the
|
|
* caching system, and if it fails we lose just a few sub */
|
|
if( stream_Seek( p_demux->s, 0 ) )
|
|
{
|
|
msg_Warn( p_demux, "failed to rewind" );
|
|
}
|
|
}
|
|
if( p_sys->i_type == SUB_TYPE_UNKNOWN )
|
|
{
|
|
msg_Err( p_demux, "failed to recognize subtitle type" );
|
|
free( p_sys );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
for( i = 0; ; i++ )
|
|
{
|
|
if( sub_read_subtitle_function[i].i_type == p_sys->i_type )
|
|
{
|
|
msg_Dbg( p_demux, "detected %s format",
|
|
sub_read_subtitle_function[i].psz_name );
|
|
pf_read = sub_read_subtitle_function[i].pf_read;
|
|
break;
|
|
}
|
|
}
|
|
|
|
msg_Dbg( p_demux, "loading all subtitles..." );
|
|
|
|
/* Load the whole file */
|
|
TextLoad( &p_sys->txt, p_demux->s );
|
|
|
|
/* Parse it */
|
|
for( i_max = 0;; )
|
|
{
|
|
if( p_sys->i_subtitles >= i_max )
|
|
{
|
|
i_max += 500;
|
|
if( !( p_sys->subtitle = realloc( p_sys->subtitle,
|
|
sizeof(subtitle_t) * i_max ) ) )
|
|
{
|
|
msg_Err( p_demux, "out of memory");
|
|
if( p_sys->subtitle != NULL )
|
|
free( p_sys->subtitle );
|
|
TextUnload( &p_sys->txt );
|
|
free( p_sys );
|
|
return VLC_ENOMEM;
|
|
}
|
|
}
|
|
|
|
if( pf_read( p_demux, &p_sys->subtitle[p_sys->i_subtitles] ) )
|
|
break;
|
|
|
|
p_sys->i_subtitles++;
|
|
}
|
|
/* Unload */
|
|
TextUnload( &p_sys->txt );
|
|
|
|
msg_Dbg(p_demux, "loaded %d subtitles", p_sys->i_subtitles );
|
|
|
|
/* Fix subtitle (order and time) *** */
|
|
p_sys->i_subtitle = 0;
|
|
p_sys->i_length = 0;
|
|
if( p_sys->i_subtitles > 0 )
|
|
{
|
|
p_sys->i_length = p_sys->subtitle[p_sys->i_subtitles-1].i_stop;
|
|
/* +1 to avoid 0 */
|
|
if( p_sys->i_length <= 0 )
|
|
p_sys->i_length = p_sys->subtitle[p_sys->i_subtitles-1].i_start+1;
|
|
}
|
|
|
|
/* *** add subtitle ES *** */
|
|
if( p_sys->i_type == SUB_TYPE_SSA1 ||
|
|
p_sys->i_type == SUB_TYPE_SSA2_4 ||
|
|
p_sys->i_type == SUB_TYPE_ASS )
|
|
{
|
|
es_format_Init( &fmt, SPU_ES, VLC_FOURCC( 's','s','a',' ' ) );
|
|
}
|
|
else
|
|
{
|
|
es_format_Init( &fmt, SPU_ES, VLC_FOURCC( 's','u','b','t' ) );
|
|
}
|
|
if( p_sys->psz_header != NULL )
|
|
{
|
|
fmt.i_extra = strlen( p_sys->psz_header ) + 1;
|
|
fmt.p_extra = strdup( p_sys->psz_header );
|
|
}
|
|
p_sys->es = es_out_Add( p_demux->out, &fmt );
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Close: Close subtitle demux
|
|
*****************************************************************************/
|
|
static void Close( vlc_object_t *p_this )
|
|
{
|
|
demux_t *p_demux = (demux_t*)p_this;
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
int i;
|
|
|
|
for( i = 0; i < p_sys->i_subtitles; i++ )
|
|
{
|
|
if( p_sys->subtitle[i].psz_text )
|
|
free( p_sys->subtitle[i].psz_text );
|
|
}
|
|
if( p_sys->subtitle )
|
|
free( p_sys->subtitle );
|
|
|
|
free( p_sys );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Control:
|
|
*****************************************************************************/
|
|
static int Control( demux_t *p_demux, int i_query, va_list args )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
int64_t *pi64, i64;
|
|
double *pf, f;
|
|
|
|
switch( i_query )
|
|
{
|
|
case DEMUX_GET_LENGTH:
|
|
pi64 = (int64_t*)va_arg( args, int64_t * );
|
|
*pi64 = p_sys->i_length;
|
|
return VLC_SUCCESS;
|
|
|
|
case DEMUX_GET_TIME:
|
|
pi64 = (int64_t*)va_arg( args, int64_t * );
|
|
if( p_sys->i_subtitle < p_sys->i_subtitles )
|
|
{
|
|
*pi64 = p_sys->subtitle[p_sys->i_subtitle].i_start;
|
|
return VLC_SUCCESS;
|
|
}
|
|
return VLC_EGENERIC;
|
|
|
|
case DEMUX_SET_TIME:
|
|
i64 = (int64_t)va_arg( args, int64_t );
|
|
p_sys->i_subtitle = 0;
|
|
while( p_sys->i_subtitle < p_sys->i_subtitles &&
|
|
p_sys->subtitle[p_sys->i_subtitle].i_start < i64 )
|
|
{
|
|
p_sys->i_subtitle++;
|
|
}
|
|
|
|
if( p_sys->i_subtitle >= p_sys->i_subtitles )
|
|
return VLC_EGENERIC;
|
|
return VLC_SUCCESS;
|
|
|
|
case DEMUX_GET_POSITION:
|
|
pf = (double*)va_arg( args, double * );
|
|
if( p_sys->i_subtitle >= p_sys->i_subtitles )
|
|
{
|
|
*pf = 1.0;
|
|
}
|
|
else if( p_sys->i_subtitles > 0 )
|
|
{
|
|
*pf = (double)p_sys->subtitle[p_sys->i_subtitle].i_start /
|
|
(double)p_sys->i_length;
|
|
}
|
|
else
|
|
{
|
|
*pf = 0.0;
|
|
}
|
|
return VLC_SUCCESS;
|
|
|
|
case DEMUX_SET_POSITION:
|
|
f = (double)va_arg( args, double );
|
|
i64 = f * p_sys->i_length;
|
|
|
|
p_sys->i_subtitle = 0;
|
|
while( p_sys->i_subtitle < p_sys->i_subtitles &&
|
|
p_sys->subtitle[p_sys->i_subtitle].i_start < i64 )
|
|
{
|
|
p_sys->i_subtitle++;
|
|
}
|
|
if( p_sys->i_subtitle >= p_sys->i_subtitles )
|
|
return VLC_EGENERIC;
|
|
return VLC_SUCCESS;
|
|
|
|
case DEMUX_SET_NEXT_DEMUX_TIME:
|
|
p_sys->i_next_demux_date = (int64_t)va_arg( args, int64_t );
|
|
return VLC_SUCCESS;
|
|
|
|
case DEMUX_GET_FPS:
|
|
case DEMUX_GET_META:
|
|
case DEMUX_GET_ATTACHMENTS:
|
|
case DEMUX_GET_TITLE_INFO:
|
|
return VLC_EGENERIC;
|
|
|
|
default:
|
|
msg_Err( p_demux, "unknown query in subtitle control" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Demux: Send subtitle to decoder
|
|
*****************************************************************************/
|
|
static int Demux( demux_t *p_demux )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
int64_t i_maxdate;
|
|
|
|
if( p_sys->i_subtitle >= p_sys->i_subtitles )
|
|
return 0;
|
|
|
|
i_maxdate = p_sys->i_next_demux_date - var_GetTime( p_demux->p_parent, "spu-delay" );;
|
|
if( i_maxdate <= 0 && p_sys->i_subtitle < p_sys->i_subtitles )
|
|
{
|
|
/* Should not happen */
|
|
i_maxdate = p_sys->subtitle[p_sys->i_subtitle].i_start + 1;
|
|
}
|
|
|
|
while( p_sys->i_subtitle < p_sys->i_subtitles &&
|
|
p_sys->subtitle[p_sys->i_subtitle].i_start < i_maxdate )
|
|
{
|
|
block_t *p_block;
|
|
int i_len = strlen( p_sys->subtitle[p_sys->i_subtitle].psz_text ) + 1;
|
|
|
|
if( i_len <= 1 )
|
|
{
|
|
/* empty subtitle */
|
|
p_sys->i_subtitle++;
|
|
continue;
|
|
}
|
|
|
|
if( ( p_block = block_New( p_demux, i_len ) ) == NULL )
|
|
{
|
|
p_sys->i_subtitle++;
|
|
continue;
|
|
}
|
|
|
|
if( p_sys->subtitle[p_sys->i_subtitle].i_start < 0 )
|
|
{
|
|
p_sys->i_subtitle++;
|
|
continue;
|
|
}
|
|
|
|
p_block->i_pts = p_sys->subtitle[p_sys->i_subtitle].i_start;
|
|
p_block->i_dts = p_block->i_pts;
|
|
if( p_sys->subtitle[p_sys->i_subtitle].i_stop > 0 )
|
|
{
|
|
p_block->i_length =
|
|
p_sys->subtitle[p_sys->i_subtitle].i_stop - p_block->i_pts;
|
|
}
|
|
|
|
memcpy( p_block->p_buffer,
|
|
p_sys->subtitle[p_sys->i_subtitle].psz_text, i_len );
|
|
if( p_block->i_pts > 0 )
|
|
{
|
|
es_out_Send( p_demux->out, p_sys->es, p_block );
|
|
}
|
|
else
|
|
{
|
|
block_Release( p_block );
|
|
}
|
|
p_sys->i_subtitle++;
|
|
}
|
|
|
|
/* */
|
|
p_sys->i_next_demux_date = 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Fix: fix time stamp and order of subtitle
|
|
*****************************************************************************/
|
|
#ifdef USE_THIS_UNUSED_PIECE_OF_CODE
|
|
static void Fix( demux_t *p_demux )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
vlc_bool_t b_done;
|
|
int i_index;
|
|
|
|
/* *** fix order (to be sure...) *** */
|
|
/* We suppose that there are near in order and this durty bubble sort
|
|
* wont take too much time
|
|
*/
|
|
do
|
|
{
|
|
b_done = VLC_TRUE;
|
|
for( i_index = 1; i_index < p_sys->i_subtitles; i_index++ )
|
|
{
|
|
if( p_sys->subtitle[i_index].i_start <
|
|
p_sys->subtitle[i_index - 1].i_start )
|
|
{
|
|
subtitle_t sub_xch;
|
|
memcpy( &sub_xch,
|
|
p_sys->subtitle + i_index - 1,
|
|
sizeof( subtitle_t ) );
|
|
memcpy( p_sys->subtitle + i_index - 1,
|
|
p_sys->subtitle + i_index,
|
|
sizeof( subtitle_t ) );
|
|
memcpy( p_sys->subtitle + i_index,
|
|
&sub_xch,
|
|
sizeof( subtitle_t ) );
|
|
b_done = VLC_FALSE;
|
|
}
|
|
}
|
|
} while( !b_done );
|
|
}
|
|
#endif
|
|
|
|
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 * ) );
|
|
|
|
/* load the complete file */
|
|
for( ;; )
|
|
{
|
|
char *psz = stream_ReadLine( s );
|
|
|
|
if( psz == NULL )
|
|
break;
|
|
|
|
txt->line[txt->i_line_count++] = psz;
|
|
if( txt->i_line_count >= i_line_max )
|
|
{
|
|
i_line_max += 100;
|
|
txt->line = realloc( txt->line, i_line_max * sizeof( char * ) );
|
|
}
|
|
}
|
|
|
|
if( txt->i_line_count <= 0 )
|
|
{
|
|
free( txt->line );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
static void TextUnload( text_t *txt )
|
|
{
|
|
int i;
|
|
|
|
for( i = 0; i < txt->i_line_count; i++ )
|
|
{
|
|
free( txt->line[i] );
|
|
}
|
|
free( txt->line );
|
|
txt->i_line = 0;
|
|
txt->i_line_count = 0;
|
|
}
|
|
|
|
static char *TextGetLine( text_t *txt )
|
|
{
|
|
if( txt->i_line >= txt->i_line_count )
|
|
return( NULL );
|
|
|
|
return txt->line[txt->i_line++];
|
|
}
|
|
static void TextPreviousLine( text_t *txt )
|
|
{
|
|
if( txt->i_line > 0 )
|
|
txt->i_line--;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Specific Subtitle function
|
|
*****************************************************************************/
|
|
/* ParseMicroDvd:
|
|
* Format:
|
|
* {n1}{n2}Line1|Line2|Line3....
|
|
* where n1 and n2 are the video frame number (n2 can be empty)
|
|
*/
|
|
static int ParseMicroDvd( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
text_t *txt = &p_sys->txt;
|
|
char *psz_text;
|
|
int i_start;
|
|
int i_stop;
|
|
int i;
|
|
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
if( !s )
|
|
return VLC_EGENERIC;
|
|
|
|
psz_text = malloc( strlen(s) + 1 );
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
|
|
i_start = 0;
|
|
i_stop = 0;
|
|
if( sscanf( s, "{%d}{}%[^\r\n]", &i_start, psz_text ) == 2 ||
|
|
sscanf( s, "{%d}{%d}%[^\r\n]", &i_start, &i_stop, psz_text ) == 3)
|
|
{
|
|
float f_fps;
|
|
if( i_start != 1 || i_stop != 1 )
|
|
break;
|
|
|
|
/* We found a possible setting of the framerate "{1}{1}23.976" */
|
|
/* Check if it's usable, and if the sub-fps is not set */
|
|
f_fps = us_strtod( psz_text, NULL );
|
|
if( f_fps > 0.0 && var_GetFloat( p_demux, "sub-fps" ) <= 0.0 )
|
|
p_sys->i_microsecperframe = (int64_t)((float)1000000 / f_fps);
|
|
}
|
|
free( psz_text );
|
|
}
|
|
|
|
/* replace | by \n */
|
|
for( i = 0; psz_text[i] != '\0'; i++ )
|
|
{
|
|
if( psz_text[i] == '|' )
|
|
psz_text[i] = '\n';
|
|
}
|
|
|
|
/* */
|
|
p_subtitle->i_start = i_start * p_sys->i_microsecperframe;
|
|
p_subtitle->i_stop = i_stop * p_sys->i_microsecperframe;
|
|
p_subtitle->psz_text = psz_text;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/* ParseSubRipSubViewer
|
|
* Format SubRip
|
|
* n
|
|
* h1:m1:s1,d1 --> h2:m2:s2,d2
|
|
* Line1
|
|
* Line2
|
|
* ....
|
|
* [Empty line]
|
|
* Format SubViewer v1/v2
|
|
* h1:m1:s1.d1,h2:m2:s2.d2
|
|
* Line1[br]Line2
|
|
* Line3
|
|
* ...
|
|
* [empty line]
|
|
* We ignore line number for SubRip
|
|
*/
|
|
static int ParseSubRipSubViewer( demux_t *p_demux, subtitle_t *p_subtitle,
|
|
const char *psz_fmt,
|
|
vlc_bool_t b_replace_br )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
text_t *txt = &p_sys->txt;
|
|
char *psz_text;
|
|
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
int h1, m1, s1, d1, h2, m2, s2, d2;
|
|
|
|
if( !s )
|
|
return VLC_EGENERIC;
|
|
|
|
if( sscanf( s, psz_fmt,
|
|
&h1, &m1, &s1, &d1,
|
|
&h2, &m2, &s2, &d2 ) == 8 )
|
|
{
|
|
p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
|
|
(int64_t)m1 * 60*1000 +
|
|
(int64_t)s1 * 1000 +
|
|
(int64_t)d1 ) * 1000;
|
|
|
|
p_subtitle->i_stop = ( (int64_t)h2 * 3600*1000 +
|
|
(int64_t)m2 * 60*1000 +
|
|
(int64_t)s2 * 1000 +
|
|
(int64_t)d2 ) * 1000;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Now read text until an empty line */
|
|
psz_text = strdup("");
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
int i_len;
|
|
int i_old;
|
|
|
|
if( !s )
|
|
{
|
|
free( psz_text );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
i_len = strlen( s );
|
|
if( i_len <= 0 )
|
|
{
|
|
p_subtitle->psz_text = psz_text;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
i_old = strlen( psz_text );
|
|
psz_text = realloc( psz_text, i_old + i_len + 1 + 1 );
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
strcat( psz_text, s );
|
|
strcat( psz_text, "\n" );
|
|
|
|
/* replace [br] by \n */
|
|
if( b_replace_br )
|
|
{
|
|
char *p;
|
|
|
|
while( ( p = strstr( psz_text, "[br]" ) ) )
|
|
{
|
|
*p++ = '\n';
|
|
memmove( p, &p[3], strlen(&p[3])+1 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* ParseSubRip
|
|
*/
|
|
static int ParseSubRip( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
return ParseSubRipSubViewer( p_demux, p_subtitle,
|
|
"%d:%d:%d,%d --> %d:%d:%d,%d",
|
|
VLC_FALSE );
|
|
}
|
|
/* ParseSubViewer
|
|
*/
|
|
static int ParseSubViewer( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
return ParseSubRipSubViewer( p_demux, p_subtitle,
|
|
"%d:%d:%d.%d,%d:%d:%d.%d",
|
|
VLC_TRUE );
|
|
}
|
|
|
|
/* ParseSSA
|
|
*/
|
|
static int ParseSSA( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
text_t *txt = &p_sys->txt;
|
|
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
int h1, m1, s1, c1, h2, m2, s2, c2;
|
|
char *psz_text;
|
|
|
|
if( !s )
|
|
return VLC_EGENERIC;
|
|
|
|
/* We expect (SSA2-4):
|
|
* Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
|
* Dialogue: Marked=0,0:02:40.65,0:02:41.79,Wolf main,Cher,0000,0000,0000,,Et les enregistrements de ses ondes delta ?
|
|
*
|
|
* SSA-1 is similar but only has 8 commas up untill the subtitle text. Probably the Effect field is no present, but not 100 % sure.
|
|
*/
|
|
|
|
/* For ASS:
|
|
* Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
|
* Dialogue: Layer#,0:02:40.65,0:02:41.79,Wolf main,Cher,0000,0000,0000,,Et les enregistrements de ses ondes delta ?
|
|
*/
|
|
psz_text = malloc( 2 + strlen( s ) + 1 );
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
|
|
if( sscanf( s,
|
|
"Dialogue: %*[^,],%d:%d:%d.%d,%d:%d:%d.%d,%[^\r\n]",
|
|
&h1, &m1, &s1, &c1,
|
|
&h2, &m2, &s2, &c2,
|
|
psz_text ) == 9 )
|
|
{
|
|
/* The dec expects: ReadOrder, Layer, Style, Name, MarginL, MarginR, MarginV, Effect, Text */
|
|
/* (Layer comes from ASS specs ... it's empty for SSA.) */
|
|
if( p_sys->i_type == SUB_TYPE_SSA1 )
|
|
{
|
|
/* SSA1 has only 8 commas before the text starts, not 9 */
|
|
memmove( &psz_text[1], psz_text, strlen(psz_text)+1 );
|
|
psz_text[0] = ',';
|
|
}
|
|
else
|
|
{
|
|
/* ReadOrder, Layer, %s(rest of fields) */
|
|
memmove( &psz_text[2], psz_text, strlen(psz_text)+1 );
|
|
psz_text[0] = ',';
|
|
psz_text[1] = ',';
|
|
}
|
|
|
|
p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
|
|
(int64_t)m1 * 60*1000 +
|
|
(int64_t)s1 * 1000 +
|
|
(int64_t)c1 * 10 ) * 1000;
|
|
p_subtitle->i_stop = ( (int64_t)h2 * 3600*1000 +
|
|
(int64_t)m2 * 60*1000 +
|
|
(int64_t)s2 * 1000 +
|
|
(int64_t)c2 * 10 ) * 1000;
|
|
p_subtitle->psz_text = psz_text;
|
|
return VLC_SUCCESS;
|
|
}
|
|
free( psz_text );
|
|
|
|
/* All the other stuff we add to the header field */
|
|
if( !p_sys->psz_header )
|
|
p_sys->psz_header = strdup( "" );
|
|
if( !p_sys->psz_header )
|
|
return VLC_ENOMEM;
|
|
|
|
p_sys->psz_header =
|
|
realloc( p_sys->psz_header,
|
|
strlen( p_sys->psz_header ) + strlen( s ) + 2 );
|
|
strcat( p_sys->psz_header, s );
|
|
strcat( p_sys->psz_header, "\n" );
|
|
}
|
|
}
|
|
|
|
/* ParseVplayer
|
|
* Format
|
|
* h:m:s:Line1|Line2|Line3....
|
|
* or
|
|
* h:m:s Line1|Line2|Line3....
|
|
*/
|
|
static int ParseVplayer( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
text_t *txt = &p_sys->txt;
|
|
char *psz_text;
|
|
int i;
|
|
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
int h1, m1, s1;
|
|
|
|
if( !s )
|
|
return VLC_EGENERIC;
|
|
|
|
psz_text = malloc( strlen( s ) + 1 );
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
|
|
if( sscanf( s, "%d:%d:%d%*c%[^\r\n]",
|
|
&h1, &m1, &s1, psz_text ) == 4 )
|
|
{
|
|
p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
|
|
(int64_t)m1 * 60*1000 +
|
|
(int64_t)s1 * 1000 ) * 1000;
|
|
p_subtitle->i_stop = 0;
|
|
break;
|
|
}
|
|
free( psz_text );
|
|
}
|
|
|
|
/* replace | by \n */
|
|
for( i = 0; psz_text[i] != '\0'; i++ )
|
|
{
|
|
if( psz_text[i] == '|' )
|
|
psz_text[i] = '\n';
|
|
}
|
|
p_subtitle->psz_text = psz_text;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/* ParseSami
|
|
*/
|
|
static char *ParseSamiSearch( text_t *txt,
|
|
char *psz_start, const char *psz_str )
|
|
{
|
|
if( psz_start && strcasestr( psz_start, psz_str ) )
|
|
{
|
|
char *s = strcasestr( psz_start, psz_str );
|
|
return &s[strlen( psz_str )];
|
|
}
|
|
|
|
for( ;; )
|
|
{
|
|
char *p = TextGetLine( txt );
|
|
if( !p )
|
|
return NULL;
|
|
|
|
if( strcasestr( p, psz_str ) )
|
|
{
|
|
char *s = strcasestr( p, psz_str );
|
|
return &s[strlen( psz_str )];
|
|
}
|
|
}
|
|
}
|
|
static int ParseSami( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
text_t *txt = &p_sys->txt;
|
|
|
|
char *s;
|
|
int64_t i_start;
|
|
|
|
unsigned int i_text;
|
|
char text[8192]; /* Arbitrary but should be long enough */
|
|
|
|
/* search "Start=" */
|
|
if( !( s = ParseSamiSearch( txt, NULL, "Start=" ) ) )
|
|
return VLC_EGENERIC;
|
|
|
|
/* get start value */
|
|
i_start = strtol( s, &s, 0 );
|
|
|
|
/* search <P */
|
|
if( !( s = ParseSamiSearch( txt, s, "<P" ) ) )
|
|
return VLC_EGENERIC;
|
|
|
|
/* search > */
|
|
if( !( s = ParseSamiSearch( txt, s, ">" ) ) )
|
|
return VLC_EGENERIC;
|
|
|
|
i_text = 0;
|
|
text[0] = '\0';
|
|
/* now get all txt until a "Start=" line */
|
|
for( ;; )
|
|
{
|
|
char c = '\0';
|
|
/* Search non empty line */
|
|
while( s && *s == '\0' )
|
|
s = TextGetLine( txt );
|
|
if( !s )
|
|
break;
|
|
|
|
if( *s == '<' )
|
|
{
|
|
if( !strncasecmp( s, "<br", 3 ) )
|
|
{
|
|
c = '\n';
|
|
}
|
|
else if( strcasestr( s, "Start=" ) )
|
|
{
|
|
TextPreviousLine( txt );
|
|
break;
|
|
}
|
|
s = ParseSamiSearch( txt, s, ">" );
|
|
}
|
|
else if( !strncmp( s, " ", 6 ) )
|
|
{
|
|
c = ' ';
|
|
s += 6;
|
|
}
|
|
else if( *s == '\t' )
|
|
{
|
|
c = ' ';
|
|
s++;
|
|
}
|
|
else
|
|
{
|
|
c = *s;
|
|
s++;
|
|
}
|
|
if( c != '\0' && i_text+1 < sizeof(text) )
|
|
{
|
|
text[i_text++] = c;
|
|
text[i_text] = '\0';
|
|
}
|
|
}
|
|
|
|
p_subtitle->i_start = i_start * 1000;
|
|
p_subtitle->i_stop = 0;
|
|
p_subtitle->psz_text = strdup( text );
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/* ParseDVDSubtitle
|
|
* Format
|
|
* {T h1:m1:s1:c1
|
|
* Line1
|
|
* Line2
|
|
* ...
|
|
* }
|
|
* TODO it can have a header
|
|
* { HEAD
|
|
* ...
|
|
* CODEPAGE=...
|
|
* FORMAT=...
|
|
* LANG=English
|
|
* }
|
|
* LANG support would be cool
|
|
* CODEPAGE is probably mandatory FIXME
|
|
*/
|
|
static int ParseDVDSubtitle( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
text_t *txt = &p_sys->txt;
|
|
char *psz_text;
|
|
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
int h1, m1, s1, c1;
|
|
|
|
if( !s )
|
|
return VLC_EGENERIC;
|
|
|
|
if( sscanf( s,
|
|
"{T %d:%d:%d:%d",
|
|
&h1, &m1, &s1, &c1 ) == 4 )
|
|
{
|
|
p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
|
|
(int64_t)m1 * 60*1000 +
|
|
(int64_t)s1 * 1000 +
|
|
(int64_t)c1 * 10) * 1000;
|
|
p_subtitle->i_stop = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Now read text until a line containing "}" */
|
|
psz_text = strdup("");
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
int i_len;
|
|
int i_old;
|
|
|
|
if( !s )
|
|
{
|
|
free( psz_text );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
i_len = strlen( s );
|
|
if( i_len == 1 && s[0] == '}')
|
|
{
|
|
p_subtitle->psz_text = psz_text;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
i_old = strlen( psz_text );
|
|
psz_text = realloc( psz_text, i_old + i_len + 1 + 1 );
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
strcat( psz_text, s );
|
|
strcat( psz_text, "\n" );
|
|
}
|
|
}
|
|
|
|
/* ParseMPL2
|
|
* Format
|
|
* [n1][n2]Line1|Line2|Line3...
|
|
* where n1 and n2 are the video frame number (n2 can be empty)
|
|
*/
|
|
static int ParseMPL2( demux_t *p_demux, subtitle_t *p_subtitle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
text_t *txt = &p_sys->txt;
|
|
char *psz_text;
|
|
int i;
|
|
|
|
for( ;; )
|
|
{
|
|
const char *s = TextGetLine( txt );
|
|
int i_start;
|
|
int i_stop;
|
|
|
|
if( !s )
|
|
return VLC_EGENERIC;
|
|
|
|
psz_text = malloc( strlen(s) + 1 );
|
|
if( !psz_text )
|
|
return VLC_ENOMEM;
|
|
|
|
i_start = 0;
|
|
i_stop = 0;
|
|
if( sscanf( s, "[%d][] %[^\r\n]", &i_start, psz_text ) == 2 ||
|
|
sscanf( s, "[%d][%d] %[^\r\n]", &i_start, &i_stop, psz_text ) == 3)
|
|
{
|
|
p_subtitle->i_start = (int64_t)i_start * 100000;
|
|
p_subtitle->i_stop = (int64_t)i_stop * 100000;
|
|
break;
|
|
}
|
|
free( psz_text );
|
|
}
|
|
|
|
/* replace | by \n */
|
|
for( i = 0; psz_text[i] != '\0'; )
|
|
{
|
|
if( psz_text[i] == '|' )
|
|
psz_text[i] = '\n';
|
|
|
|
/* Remove italic */
|
|
if( psz_text[i] == '/' && ( i == 0 || psz_text[i-1] == '\n' ) )
|
|
memmove( &psz_text[i], &psz_text[i+1], strlen(&psz_text[i+1])+1 );
|
|
else
|
|
i++;
|
|
}
|
|
p_subtitle->psz_text = psz_text;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|