subtitle.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:59k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * subtitle.c: Demux for subtitle text files.
- *****************************************************************************
- * Copyright (C) 1999-2007 the VideoLAN team
- * $Id: 426659c924f6b023e0dd6c970e6bd1781b05ab1f $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Derk-Jan Hartman <hartman at videolan dot org>
- * Jean-Baptiste Kempf <jb@videolan.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
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.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", "subviewer", "ssa1", "ssa2-4", "ass", "vplayer", "
- ""sami", "dvdsubtitle", "mpl2", "aqt", "pjs", "
- ""mpsub", "jacosub", "psb", "realtext", "dks", "subviewer1", "
- " and "auto" (meaning autodetection, this should always work).")
- static const char *const ppsz_sub_type[] =
- {
- "auto", "microdvd", "subrip", "subviewer", "ssa1",
- "ssa2-4", "ass", "vplayer", "sami", "dvdsubtitle", "mpl2",
- "aqt", "pjs", "mpsub", "jacosub", "psb", "realtext", "dks",
- "subviewer1"
- };
- vlc_module_begin ()
- set_shortname( N_("Subtitles"))
- set_description( N_("Text subtitles parser") )
- set_capability( "demux", 0 )
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_DEMUX )
- add_float( "sub-fps", 0.0, NULL,
- N_("Frames per second"),
- SUB_FPS_LONGTEXT, true )
- add_integer( "sub-delay", 0, NULL,
- N_("Subtitles delay"),
- SUB_DELAY_LONGTEXT, true )
- add_string( "sub-type", "auto", NULL, N_("Subtitles format"),
- SUB_TYPE_LONGTEXT, 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_SUBRIP_DOT, /* Invalid SubRip file (dot instead of comma) */
- SUB_TYPE_SSA1,
- SUB_TYPE_SSA2_4,
- SUB_TYPE_ASS,
- SUB_TYPE_VPLAYER,
- SUB_TYPE_SAMI,
- SUB_TYPE_SUBVIEWER, /* SUBVIEWER 2 */
- SUB_TYPE_DVDSUBTITLE, /* Mplayer calls it subviewer2 */
- SUB_TYPE_MPL2,
- SUB_TYPE_AQT,
- SUB_TYPE_PJS,
- SUB_TYPE_MPSUB,
- SUB_TYPE_JACOSUB,
- SUB_TYPE_PSB,
- SUB_TYPE_RT,
- SUB_TYPE_DKS,
- SUB_TYPE_SUBVIEW1 /* SUBVIEWER 1 - mplayer calls it subrip09,
- and Gnome subtitles SubViewer 1.0 */
- };
- 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;
- /* */
- struct
- {
- bool b_inited;
- int i_comment;
- int i_time_resolution;
- int i_time_shift;
- } jss;
- struct
- {
- bool b_inited;
- float f_total;
- float f_factor;
- } mpsub;
- };
- static int ParseMicroDvd ( demux_t *, subtitle_t *, int );
- static int ParseSubRip ( demux_t *, subtitle_t *, int );
- static int ParseSubRipDot ( demux_t *, subtitle_t *, int );
- static int ParseSubViewer ( demux_t *, subtitle_t *, int );
- static int ParseSSA ( demux_t *, subtitle_t *, int );
- static int ParseVplayer ( demux_t *, subtitle_t *, int );
- static int ParseSami ( demux_t *, subtitle_t *, int );
- static int ParseDVDSubtitle( demux_t *, subtitle_t *, int );
- static int ParseMPL2 ( demux_t *, subtitle_t *, int );
- static int ParseAQT ( demux_t *, subtitle_t *, int );
- static int ParsePJS ( demux_t *, subtitle_t *, int );
- static int ParseMPSub ( demux_t *, subtitle_t *, int );
- static int ParseJSS ( demux_t *, subtitle_t *, int );
- static int ParsePSB ( demux_t *, subtitle_t *, int );
- static int ParseRealText ( demux_t *, subtitle_t *, int );
- static int ParseDKS ( demux_t *, subtitle_t *, int );
- static int ParseSubViewer1 ( demux_t *, subtitle_t *, int );
- static const struct
- {
- const char *psz_type_name;
- int i_type;
- const char *psz_name;
- int (*pf_read)( demux_t *, subtitle_t*, int );
- } sub_read_subtitle_function [] =
- {
- { "microdvd", SUB_TYPE_MICRODVD, "MicroDVD", ParseMicroDvd },
- { "subrip", SUB_TYPE_SUBRIP, "SubRIP", ParseSubRip },
- { "subrip-dot", SUB_TYPE_SUBRIP_DOT, "SubRIP(Dot)", ParseSubRipDot },
- { "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 },
- { "aqt", SUB_TYPE_AQT, "AQTitle", ParseAQT },
- { "pjs", SUB_TYPE_PJS, "PhoenixSub", ParsePJS },
- { "mpsub", SUB_TYPE_MPSUB, "MPSub", ParseMPSub },
- { "jacosub", SUB_TYPE_JACOSUB, "JacoSub", ParseJSS },
- { "psb", SUB_TYPE_PSB, "PowerDivx", ParsePSB },
- { "realtext", SUB_TYPE_RT, "RealText", ParseRealText },
- { "dks", SUB_TYPE_DKS, "DKS", ParseDKS },
- { "subviewer1", SUB_TYPE_SUBVIEW1, "Subviewer 1", ParseSubViewer1 },
- { NULL, SUB_TYPE_UNKNOWN, "Unknown", NULL }
- };
- /* When adding support for more formats, be sure to add their file extension
- * to src/input/subtitles.c to enable auto-detection.
- */
- 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 );
- 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 ) );
- if( p_sys == NULL )
- return VLC_ENOMEM;
- p_sys->psz_header = NULL;
- p_sys->i_subtitle = 0;
- p_sys->i_subtitles = 0;
- p_sys->subtitle = NULL;
- p_sys->i_microsecperframe = 40000;
- p_sys->jss.b_inited = false;
- p_sys->mpsub.b_inited = false;
- /* Get the FPS */
- f_fps = var_CreateGetFloat( p_demux, "sub-original-fps" ); /* FIXME */
- 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 && *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;
- char p_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( 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 )
- {
- msg_Err( p_demux, "Detected invalid SubRip file, playing anyway" );
- p_sys->i_type = SUB_TYPE_SUBRIP_DOT;
- 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.%d %d:%d:%d",
- &i_dummy, &i_dummy, &i_dummy, &i_dummy,
- &i_dummy, &i_dummy, &i_dummy ) == 7 ||
- sscanf( s, "@%d @%d", &i_dummy, &i_dummy) == 2)
- {
- p_sys->i_type = SUB_TYPE_JACOSUB;
- 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:%d]%c",
- &i_dummy, &i_dummy, &i_dummy, &p_dummy ) == 4 )
- {
- p_sys->i_type = SUB_TYPE_DKS;
- break;
- }
- else if( strstr( s, "*** START SCRIPT" ) )
- {
- p_sys->i_type = SUB_TYPE_SUBVIEW1;
- 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;
- }
- else if( sscanf (s, "FORMAT=%d", &i_dummy) == 1 ||
- ( sscanf (s, "FORMAT=TIM%c", &p_dummy) == 1
- && p_dummy =='E' ) )
- {
- p_sys->i_type = SUB_TYPE_MPSUB;
- break;
- }
- else if( sscanf( s, "-->> %d", &i_dummy) == 1 )
- {
- p_sys->i_type = SUB_TYPE_AQT;
- break;
- }
- else if( sscanf( s, "%d,%d,", &i_dummy, &i_dummy ) == 2 )
- {
- p_sys->i_type = SUB_TYPE_PJS;
- break;
- }
- else if( sscanf( s, "{%d:%d:%d}",
- &i_dummy, &i_dummy, &i_dummy ) == 3 )
- {
- p_sys->i_type = SUB_TYPE_PSB;
- break;
- }
- else if( strcasestr( s, "<time" ) )
- {
- p_sys->i_type = SUB_TYPE_RT;
- break;
- }
- free( s );
- s = NULL;
- }
- 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" );
- }
- }
- /* Quit on unknown subtitles */
- if( p_sys->i_type == SUB_TYPE_UNKNOWN )
- {
- msg_Warn( 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 ) ) )
- {
- 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],
- 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++ )
- free( p_sys->subtitle[i].psz_text );
- 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 )
- {
- const subtitle_t *p_subtitle = &p_sys->subtitle[p_sys->i_subtitle];
- if( p_subtitle->i_start > i64 )
- break;
- if( p_subtitle->i_stop > p_subtitle->i_start && p_subtitle->i_stop > i64 )
- break;
- 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:
- case DEMUX_HAS_UNSUPPORTED_META:
- case DEMUX_CAN_RECORD:
- return VLC_EGENERIC;
- default:
- msg_Err( p_demux, "unknown query %d in subtitle control", i_query );
- 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 )
- {
- const subtitle_t *p_subtitle = &p_sys->subtitle[p_sys->i_subtitle];
- block_t *p_block;
- int i_len = strlen( p_subtitle->psz_text ) + 1;
- if( i_len <= 1 || p_subtitle->i_start < 0 )
- {
- p_sys->i_subtitle++;
- continue;
- }
- if( ( p_block = block_New( p_demux, i_len ) ) == NULL )
- {
- p_sys->i_subtitle++;
- continue;
- }
- p_block->i_dts =
- p_block->i_pts = 1 + p_subtitle->i_start;
- if( p_subtitle->i_stop > 0 && p_subtitle->i_stop >= p_subtitle->i_start )
- p_block->i_length = p_subtitle->i_stop - p_subtitle->i_start;
- memcpy( p_block->p_buffer, p_subtitle->psz_text, i_len );
- es_out_Send( p_demux->out, p_sys->es, 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;
- bool 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 = 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 = 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,
- int i_idx )
- {
- VLC_UNUSED( i_idx );
- 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}{}%[^rn]", &i_start, psz_text ) == 2 ||
- sscanf( s, "{%d}{%d}%[^rn]", &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] != ' '; 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,
- bool 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;
- if( p_subtitle->i_start < p_subtitle->i_stop )
- 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;
- i_len = s ? strlen( s ) : 0;
- 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,
- int i_idx )
- {
- VLC_UNUSED( i_idx );
- return ParseSubRipSubViewer( p_demux, p_subtitle,
- "%d:%d:%d,%d --> %d:%d:%d,%d",
- false );
- }
- /* ParseSubRipDot
- * Special version for buggy file using '.' instead of ','
- */
- static int ParseSubRipDot( demux_t *p_demux, subtitle_t *p_subtitle,
- int i_idx )
- {
- VLC_UNUSED( i_idx );
- return ParseSubRipSubViewer( p_demux, p_subtitle,
- "%d:%d:%d.%d --> %d:%d:%d.%d",
- false );
- }
- /* ParseSubViewer
- */
- static int ParseSubViewer( demux_t *p_demux, subtitle_t *p_subtitle,
- int i_idx )
- {
- VLC_UNUSED( i_idx );
- return ParseSubRipSubViewer( p_demux, p_subtitle,
- "%d:%d:%d.%d,%d:%d:%d.%d",
- true );
- }
- /* ParseSSA
- */
- static int ParseSSA( demux_t *p_demux, subtitle_t *p_subtitle,
- int i_idx )
- {
- 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;
- char temp[16];
- 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 ?
- */
- /* The output text is - at least, not removing numbers - 18 chars shorter than the input text. */
- psz_text = malloc( strlen(s) );
- if( !psz_text )
- return VLC_ENOMEM;
- if( sscanf( s,
- "Dialogue: %15[^,],%d:%d:%d.%d,%d:%d:%d.%d,%[^rn]",
- temp,
- &h1, &m1, &s1, &c1,
- &h2, &m2, &s2, &c2,
- psz_text ) == 10 )
- {
- /* 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
- {
- int i_layer = ( p_sys->i_type == SUB_TYPE_ASS ) ? atoi( temp ) : 0;
- /* ReadOrder, Layer, %s(rest of fields) */
- snprintf( temp, sizeof(temp), "%d,%d,", i_idx, i_layer );
- memmove( psz_text + strlen(temp), psz_text, strlen(psz_text)+1 );
- memcpy( psz_text, temp, strlen(temp) );
- }
- 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,
- int i_idx )
- {
- VLC_UNUSED( i_idx );
- 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%[^rn]",
- &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] != ' '; 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, int i_idx )
- {
- VLC_UNUSED( i_idx );
- 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] = ' ';
- /* now get all txt until a "Start=" line */
- for( ;; )
- {
- char c = ' ';
- /* Search non empty line */
- while( s && *s == ' ' )
- 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 != ' ' && i_text+1 < sizeof(text) )
- {
- text[i_text++] = c;
- text[i_text] = ' ';
- }
- }
- 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,
- int i_idx )
- {
- VLC_UNUSED( i_idx );
- 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, int i_idx )
- {
- VLC_UNUSED( i_idx );
- 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][] %[^rn]", &i_start, psz_text ) == 2 ||
- sscanf( s, "[%d][%d] %[^rn]", &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 );
- }
- for( i = 0; psz_text[i] != ' '; )
- {
- /* replace | by n */
- 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;
- }
- static int ParseAQT( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- demux_sys_t *p_sys = p_demux->p_sys;
- text_t *txt = &p_sys->txt;
- char *psz_text = strdup( "" );
- int i_old = 0;
- int i_firstline = 1;
- for( ;; )
- {
- int t; /* Time */
- const char *s = TextGetLine( txt );
- if( !s )
- {
- free( psz_text );
- return VLC_EGENERIC;
- }
- /* Data Lines */
- if( sscanf (s, "-->> %d", &t) == 1)
- {
- p_subtitle->i_start = (int64_t)t; /* * FPS*/
- p_subtitle->i_stop = 0;
- /* Starting of a subtitle */
- if( i_firstline )
- {
- i_firstline = 0;
- }
- /* We have been too far: end of the subtitle, begin of next */
- else
- {
- TextPreviousLine( txt );
- break;
- }
- }
- /* Text Lines */
- else
- {
- i_old = strlen( psz_text ) + 1;
- psz_text = realloc( psz_text, i_old + strlen( s ) + 1 );
- if( !psz_text )
- return VLC_ENOMEM;
- strcat( psz_text, s );
- strcat( psz_text, "n" );
- if( txt->i_line == txt->i_line_count )
- break;
- }
- }
- p_subtitle->psz_text = psz_text;
- return VLC_SUCCESS;
- }
- static int ParsePJS( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- 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 t1, t2;
- if( !s )
- return VLC_EGENERIC;
- psz_text = malloc( strlen(s) + 1 );
- if( !psz_text )
- return VLC_ENOMEM;
- /* Data Lines */
- if( sscanf (s, "%d,%d,"%[^nr]", &t1, &t2, psz_text ) == 3 )
- {
- /* 1/10th of second ? Frame based ? FIXME */
- p_subtitle->i_start = 10 * t1;
- p_subtitle->i_stop = 10 * t2;
- /* Remove latest " */
- psz_text[ strlen(psz_text) - 1 ] = ' ';
- break;
- }
- free( psz_text );
- }
- /* replace | by n */
- for( i = 0; psz_text[i] != ' '; i++ )
- {
- if( psz_text[i] == '|' )
- psz_text[i] = 'n';
- }
- p_subtitle->psz_text = psz_text;
- msg_Dbg( p_demux, "%s", psz_text );
- return VLC_SUCCESS;
- }
- static int ParseMPSub( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- demux_sys_t *p_sys = p_demux->p_sys;
- text_t *txt = &p_sys->txt;
- char *psz_text = strdup( "" );
- if( !p_sys->mpsub.b_inited )
- {
- p_sys->mpsub.f_total = 0.0;
- p_sys->mpsub.f_factor = 0.0;
- p_sys->mpsub.b_inited = true;
- }
- for( ;; )
- {
- float f1, f2;
- char p_dummy;
- char *psz_temp;
- const char *s = TextGetLine( txt );
- if( !s )
- {
- free( psz_text );
- return VLC_EGENERIC;
- }
- if( strstr( s, "FORMAT" ) )
- {
- if( sscanf (s, "FORMAT=TIM%c", &p_dummy ) == 1 && p_dummy == 'E')
- {
- p_sys->mpsub.f_factor = 100.0;
- break;
- }
- psz_temp = malloc( strlen(s) );
- if( !psz_temp )
- {
- free( psz_text );
- return VLC_ENOMEM;
- }
- if( sscanf( s, "FORMAT=%[^rn]", psz_temp ) )
- {
- float f_fps;
- f_fps = us_strtod( psz_temp, NULL );
- if( f_fps > 0.0 && var_GetFloat( p_demux, "sub-fps" ) <= 0.0 )
- var_SetFloat( p_demux, "sub-fps", f_fps );
- p_sys->mpsub.f_factor = 1.0;
- free( psz_temp );
- break;
- }
- free( psz_temp );
- }
- /* Data Lines */
- f1 = us_strtod( s, &psz_temp );
- if( *psz_temp )
- {
- f2 = us_strtod( psz_temp, NULL );
- p_sys->mpsub.f_total += f1 * p_sys->mpsub.f_factor;
- p_subtitle->i_start = (int64_t)(10000.0 * p_sys->mpsub.f_total);
- p_sys->mpsub.f_total += f2 * p_sys->mpsub.f_factor;
- p_subtitle->i_stop = (int64_t)(10000.0 * p_sys->mpsub.f_total);
- break;
- }
- }
- for( ;; )
- {
- const char *s = TextGetLine( txt );
- if( !s )
- {
- free( psz_text );
- return VLC_EGENERIC;
- }
- int i_len = strlen( s );
- if( i_len == 0 )
- break;
- int 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" );
- }
- p_subtitle->psz_text = psz_text;
- return VLC_SUCCESS;
- }
- static int ParseJSS( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- demux_sys_t *p_sys = p_demux->p_sys;
- text_t *txt = &p_sys->txt;
- char *psz_text, *psz_orig;
- char *psz_text2, *psz_orig2;
- int h1, h2, m1, m2, s1, s2, f1, f2;
- if( !p_sys->jss.b_inited )
- {
- p_sys->jss.i_comment = 0;
- p_sys->jss.i_time_resolution = 30;
- p_sys->jss.i_time_shift = 0;
- p_sys->jss.b_inited = true;
- }
- /* Parse the main lines */
- for( ;; )
- {
- const char *s = TextGetLine( txt );
- if( !s )
- return VLC_EGENERIC;
- psz_orig = malloc( strlen( s ) + 1 );
- if( !psz_orig )
- return VLC_ENOMEM;
- psz_text = psz_orig;
- /* Complete time lines */
- if( sscanf( s, "%d:%d:%d.%d %d:%d:%d.%d %[^nr]",
- &h1, &m1, &s1, &f1, &h2, &m2, &s2, &f2, psz_text ) == 9 )
- {
- p_subtitle->i_start = ( (int64_t)( h1 *3600 + m1 * 60 + s1 ) +
- (int64_t)( ( f1 + p_sys->jss.i_time_shift ) / p_sys->jss.i_time_resolution ) )
- * 1000000;
- p_subtitle->i_stop = ( (int64_t)( h2 *3600 + m2 * 60 + s2 ) +
- (int64_t)( ( f2 + p_sys->jss.i_time_shift ) / p_sys->jss.i_time_resolution ) )
- * 1000000;
- break;
- }
- /* Short time lines */
- else if( sscanf( s, "@%d @%d %[^nr]", &f1, &f2, psz_text ) == 3 )
- {
- p_subtitle->i_start = (int64_t)(
- ( f1 + p_sys->jss.i_time_shift ) / p_sys->jss.i_time_resolution * 1000000.0 );
- p_subtitle->i_stop = (int64_t)(
- ( f2 + p_sys->jss.i_time_shift ) / p_sys->jss.i_time_resolution * 1000000.0 );
- break;
- }
- /* General Directive lines */
- /* Only TIME and SHIFT are supported so far */
- else if( s[0] == '#' )
- {
- int h = 0, m =0, sec = 1, f = 1;
- unsigned shift = 1;
- int inv = 1;
- strcpy( psz_text, s );
- switch( toupper( psz_text[1] ) )
- {
- case 'S':
- shift = isalpha( psz_text[2] ) ? 6 : 2 ;
- if( sscanf( &psz_text[shift], "%d", &h ) )
- {
- /* Negative shifting */
- if( h < 0 )
- {
- h *= -1;
- inv = -1;
- }
- if( sscanf( &psz_text[shift], "%*d:%d", &m ) )
- {
- if( sscanf( &psz_text[shift], "%*d:%*d:%d", &sec ) )
- {
- sscanf( &psz_text[shift], "%*d:%*d:%*d.%d", &f );
- }
- else
- {
- h = 0;
- sscanf( &psz_text[shift], "%d:%d.%d",
- &m, &sec, &f );
- m *= inv;
- }
- }
- else
- {
- h = m = 0;
- sscanf( &psz_text[shift], "%d.%d", &sec, &f);
- sec *= inv;
- }
- p_sys->jss.i_time_shift = ( ( h * 3600 + m * 60 + sec )
- * p_sys->jss.i_time_resolution + f ) * inv;
- }
- break;
- case 'T':
- shift = isalpha( psz_text[2] ) ? 8 : 2 ;
- sscanf( &psz_text[shift], "%d", &p_sys->jss.i_time_resolution );
- break;
- }
- free( psz_orig );
- continue;
- }
- else
- /* Unkown type line, probably a comment */
- {
- free( psz_orig );
- continue;
- }
- }
- while( psz_text[ strlen( psz_text ) - 1 ] == '\' )
- {
- const char *s2 = TextGetLine( txt );
- if( !s2 )
- {
- free( psz_orig );
- return VLC_EGENERIC;
- }
- int i_len = strlen( s2 );
- if( i_len == 0 )
- break;
- int i_old = strlen( psz_text );
- psz_text = realloc( psz_text, i_old + i_len + 1 );
- if( !psz_text )
- return VLC_ENOMEM;
- psz_orig = psz_text;
- strcat( psz_text, s2 );
- }
- /* Skip the blanks */
- while( *psz_text == ' ' || *psz_text == 't' ) psz_text++;
- /* Parse the directives */
- if( isalpha( *psz_text ) || *psz_text == '[' )
- {
- while( *psz_text != ' ' )
- { psz_text++ ;};
- /* Directives are NOT parsed yet */
- /* This has probably a better place in a decoder ? */
- /* directive = malloc( strlen( psz_text ) + 1 );
- if( sscanf( psz_text, "%s %[^nr]", directive, psz_text2 ) == 2 )*/
- }
- /* Skip the blanks after directives */
- while( *psz_text == ' ' || *psz_text == 't' ) psz_text++;
- /* Clean all the lines from inline comments and other stuffs */
- psz_orig2 = calloc( strlen( psz_text) + 1, 1 );
- psz_text2 = psz_orig2;
- for( ; *psz_text != ' ' && *psz_text != 'n' && *psz_text != 'r'; )
- {
- switch( *psz_text )
- {
- case '{':
- p_sys->jss.i_comment++;
- break;
- case '}':
- if( p_sys->jss.i_comment )
- {
- p_sys->jss.i_comment = 0;
- if( (*(psz_text + 1 ) ) == ' ' ) psz_text++;
- }
- break;
- case '~':
- if( !p_sys->jss.i_comment )
- {
- *psz_text2 = ' ';
- psz_text2++;
- }
- break;
- case ' ':
- case 't':
- if( (*(psz_text + 1 ) ) == ' ' || (*(psz_text + 1 ) ) == 't' )
- break;
- if( !p_sys->jss.i_comment )
- {
- *psz_text2 = ' ';
- psz_text2++;
- }
- break;
- case '\':
- if( (*(psz_text + 1 ) ) == 'n' )
- {
- *psz_text2 = 'n';
- psz_text++;
- psz_text2++;
- break;
- }
- if( ( toupper(*(psz_text + 1 ) ) == 'C' ) ||
- ( toupper(*(psz_text + 1 ) ) == 'F' ) )
- {
- psz_text++; psz_text++;
- break;
- }
- if( (*(psz_text + 1 ) ) == 'B' || (*(psz_text + 1 ) ) == 'b' ||
- (*(psz_text + 1 ) ) == 'I' || (*(psz_text + 1 ) ) == 'i' ||
- (*(psz_text + 1 ) ) == 'U' || (*(psz_text + 1 ) ) == 'u' ||
- (*(psz_text + 1 ) ) == 'D' || (*(psz_text + 1 ) ) == 'N' )
- {
- psz_text++;
- break;
- }
- if( (*(psz_text + 1 ) ) == '~' || (*(psz_text + 1 ) ) == '{' ||
- (*(psz_text + 1 ) ) == '\' )
- psz_text++;
- else if( *(psz_text + 1 ) == 'r' || *(psz_text + 1 ) == 'n' ||
- *(psz_text + 1 ) == ' ' )
- {
- psz_text++;
- }
- break;
- default:
- if( !p_sys->jss.i_comment )
- {
- *psz_text2 = *psz_text;
- psz_text2++;
- }
- }
- psz_text++;
- }
- p_subtitle->psz_text = psz_orig2;
- msg_Dbg( p_demux, "%s", p_subtitle->psz_text );
- free( psz_orig );
- return VLC_SUCCESS;
- }
- static int ParsePSB( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- demux_sys_t *p_sys = p_demux->p_sys;
- text_t *txt = &p_sys->txt;
- char *psz_text;
- int i;
- for( ;; )
- {
- int h1, m1, s1;
- int h2, m2, s2;
- const char *s = TextGetLine( txt );
- if( !s )
- return VLC_EGENERIC;
- psz_text = malloc( strlen( s ) + 1 );
- if( !psz_text )
- return VLC_ENOMEM;
- if( sscanf( s, "{%d:%d:%d}{%d:%d:%d}%[^rn]",
- &h1, &m1, &s1, &h2, &m2, &s2, psz_text ) == 7 )
- {
- p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
- (int64_t)m1 * 60*1000 +
- (int64_t)s1 * 1000 ) * 1000;
- p_subtitle->i_stop = ( (int64_t)h2 * 3600*1000 +
- (int64_t)m2 * 60*1000 +
- (int64_t)s2 * 1000 ) * 1000;
- break;
- }
- free( psz_text );
- }
- /* replace | by n */
- for( i = 0; psz_text[i] != ' '; i++ )
- {
- if( psz_text[i] == '|' )
- psz_text[i] = 'n';
- }
- p_subtitle->psz_text = psz_text;
- return VLC_SUCCESS;
- }
- static int64_t ParseRealTime( char *psz, int *h, int *m, int *s, int *f )
- {
- if( strlen( psz ) == 0 ) return 0;
- if( sscanf( psz, "%d:%d:%d.%d", h, m, s, f ) == 4 ||
- sscanf( psz, "%d:%d.%d", m, s, f ) == 3 ||
- sscanf( psz, "%d.%d", s, f ) == 2 ||
- sscanf( psz, "%d:%d", m, s ) == 2 ||
- sscanf( psz, "%d", s ) == 1 )
- {
- return (int64_t)((( *h * 60 + *m ) * 60 ) + *s ) * 1000 * 1000
- + (int64_t)*f * 10 * 1000;
- }
- else return VLC_EGENERIC;
- }
- static int ParseRealText( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- demux_sys_t *p_sys = p_demux->p_sys;
- text_t *txt = &p_sys->txt;
- char *psz_text = NULL;
- for( ;; )
- {
- int h1 = 0, m1 = 0, s1 = 0, f1 = 0;
- int h2 = 0, m2 = 0, s2 = 0, f2 = 0;
- const char *s = TextGetLine( txt );
- free( psz_text );
- if( !s )
- return VLC_EGENERIC;
- psz_text = malloc( strlen( s ) + 1 );
- if( !psz_text )
- return VLC_ENOMEM;
- /* Find the good begining. This removes extra spaces at the beginning
- of the line.*/
- char *psz_temp = strcasestr( s, "<time");
- if( psz_temp != NULL )
- {
- char psz_end[12], psz_begin[12];
- /* Line has begin and end */
- if( ( sscanf( psz_temp,
- "<%*[t|T]ime %*[b|B]egin="%11[^"]" %*[e|E]nd="%11[^"]%*[^>]%[^nr]",
- psz_begin, psz_end, psz_text) != 3 ) &&
- /* Line has begin and no end */
- ( sscanf( psz_temp,
- "<%*[t|T]ime %*[b|B]egin="%11[^"]"%*[^>]%[^nr]",
- psz_begin, psz_text ) != 2) )
- /* Line is not recognized */
- {
- continue;
- }
- /* Get the times */
- int64_t i_time = ParseRealTime( psz_begin, &h1, &m1, &s1, &f1 );
- if( i_time >= 0)
- {
- p_subtitle->i_start = i_time;
- }
- i_time = ParseRealTime( psz_end, &h2, &m2, &s2, &f2 );
- if( i_time >= 0 )
- {
- p_subtitle->i_stop = i_time;
- }
- break;
- }
- }
- /* Get the following Lines */
- for( ;; )
- {
- const char *s = TextGetLine( txt );
- if( !s )
- {
- free( psz_text );
- return VLC_EGENERIC;
- }
- int i_len = strlen( s );
- if( i_len == 0 ) break;
- if( strcasestr( s, "<time" ) ||
- strcasestr( s, "<clear/") )
- {
- TextPreviousLine( txt );
- break;
- }
- int 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" );
- }
- /* Remove the starting ">" that remained after the sscanf */
- memmove( &psz_text[0], &psz_text[1], strlen( psz_text ) );
- p_subtitle->psz_text = psz_text;
- return VLC_SUCCESS;
- }
- static int ParseDKS( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- demux_sys_t *p_sys = p_demux->p_sys;
- text_t *txt = &p_sys->txt;
- char *psz_text;
- for( ;; )
- {
- int h1, m1, s1;
- int h2, m2, s2;
- char *s = TextGetLine( txt );
- if( !s )
- return VLC_EGENERIC;
- psz_text = malloc( strlen( s ) + 1 );
- if( !psz_text )
- return VLC_ENOMEM;
- if( sscanf( s, "[%d:%d:%d]%[^rn]",
- &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;
- char *s = TextGetLine( txt );
- if( !s )
- {
- free( psz_text );
- return VLC_EGENERIC;
- }
- if( sscanf( s, "[%d:%d:%d]", &h2, &m2, &s2 ) == 3 )
- p_subtitle->i_stop = ( (int64_t)h2 * 3600*1000 +
- (int64_t)m2 * 60*1000 +
- (int64_t)s2 * 1000 ) * 1000;
- break;
- }
- free( psz_text );
- }
- /* replace [br] by n */
- char *p;
- while( ( p = strstr( psz_text, "[br]" ) ) )
- {
- *p++ = 'n';
- memmove( p, &p[3], strlen(&p[3])+1 );
- }
- p_subtitle->psz_text = psz_text;
- return VLC_SUCCESS;
- }
- static int ParseSubViewer1( demux_t *p_demux, subtitle_t *p_subtitle, int i_idx )
- {
- VLC_UNUSED( i_idx );
- demux_sys_t *p_sys = p_demux->p_sys;
- text_t *txt = &p_sys->txt;
- char *psz_text;
- for( ;; )
- {
- int h1, m1, s1;
- int h2, m2, s2;
- char *s = TextGetLine( txt );
- if( !s )
- return VLC_EGENERIC;
- if( sscanf( s, "[%d:%d:%d]", &h1, &m1, &s1 ) == 3 )
- {
- p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
- (int64_t)m1 * 60*1000 +
- (int64_t)s1 * 1000 ) * 1000;
- char *s = TextGetLine( txt );
- if( !s )
- return VLC_EGENERIC;
- psz_text = strdup( s );
- if( !psz_text )
- return VLC_ENOMEM;
- s = TextGetLine( txt );
- if( !s )
- {
- free( psz_text );
- return VLC_EGENERIC;
- }
- if( sscanf( s, "[%d:%d:%d]", &h2, &m2, &s2 ) == 3 )
- p_subtitle->i_stop = ( (int64_t)h2 * 3600*1000 +
- (int64_t)m2 * 60*1000 +
- (int64_t)s2 * 1000 ) * 1000;
- break;
- }
- }
- p_subtitle->psz_text = psz_text;
- return VLC_SUCCESS;
- }