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736 lines
29 KiB
736 lines
29 KiB
/*****************************************************************************
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* subsdec.c : text subtitles decoder
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*****************************************************************************
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* Copyright (C) 2000-2001 the VideoLAN team
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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* Samuel Hocevar <sam@zoy.org>
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* Derk-Jan Hartman <hartman at videolan dot org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <vlc/vlc.h>
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#include <vlc/vout.h>
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#include <vlc/decoder.h>
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#include "vlc_osd.h"
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#include "vlc_filter.h"
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#include "charset.h"
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typedef struct
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{
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char * psz_stylename; /* The name of the style, no comma's allowed */
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text_style_t font_style;
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int i_align;
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int i_margin_h;
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int i_margin_v;
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} ssa_style_t;
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/*****************************************************************************
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* decoder_sys_t : decoder descriptor
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*****************************************************************************/
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struct decoder_sys_t
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{
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vlc_bool_t b_ass; /* The subs are ASS */
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int i_original_height;
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int i_original_width;
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int i_align; /* Subtitles alignment on the vout */
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vlc_iconv_t iconv_handle; /* handle to iconv instance */
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ssa_style_t **pp_ssa_styles;
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int i_ssa_styles;
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};
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static int OpenDecoder ( vlc_object_t * );
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static void CloseDecoder ( vlc_object_t * );
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static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
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static subpicture_t *ParseText ( decoder_t *, block_t * );
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static void ParseSSAHeader ( decoder_t * );
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static void ParseSSAString ( decoder_t *, char *, subpicture_t * );
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static void ParseColor ( decoder_t *, char *, int *, int * );
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static void StripTags ( char * );
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#define DEFAULT_NAME "Default"
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#define MAX_LINE 8192
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/*****************************************************************************
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* Module descriptor.
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*****************************************************************************/
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static char *ppsz_encodings[] = { DEFAULT_NAME, "ASCII", "UTF-8", "",
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"ISO-8859-1", "CP1252", "MacRoman", "MacIceland","ISO-8859-15", "",
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"ISO-8859-2", "CP1250", "MacCentralEurope", "MacCroatian", "MacRomania", "",
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"ISO-8859-5", "CP1251", "MacCyrillic", "MacUkraine", "KOI8-R", "KOI8-U", "KOI8-RU", "",
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"ISO-8859-6", "CP1256", "MacArabic", "",
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"ISO-8859-7", "CP1253", "MacGreek", "",
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"ISO-8859-8", "CP1255", "MacHebrew", "",
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"ISO-8859-9", "CP1254", "MacTurkish", "",
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"ISO-8859-13", "CP1257", "",
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"ISO-2022-JP", "ISO-2022-JP-1", "ISO-2022-JP-2", "EUC-JP", "SHIFT_JIS", "",
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"ISO-2022-CN", "ISO-2022-CN-EXT", "EUC-CN", "EUC-TW", "BIG5", "BIG5-HKSCS", "",
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"ISO-2022-KR", "EUC-KR", "",
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"MacThai", "KOI8-T", "",
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"ISO-8859-3", "ISO-8859-4", "ISO-8859-10", "ISO-8859-14", "ISO-8859-16", "",
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"CP850", "CP862", "CP866", "CP874", "CP932", "CP949", "CP950", "CP1133", "CP1258", "",
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"Macintosh", "",
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"UTF-7", "UTF-16", "UTF-16BE", "UTF-16LE", "UTF-32", "UTF-32BE", "UTF-32LE",
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"C99", "JAVA", "UCS-2", "UCS-2BE", "UCS-2LE", "UCS-4", "UCS-4BE", "UCS-4LE", "",
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"HZ", "GBK", "GB18030", "JOHAB", "ARMSCII-8",
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"Georgian-Academy", "Georgian-PS", "TIS-620", "MuleLao-1", "VISCII", "TCVN",
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"HPROMAN8", "NEXTSTEP" };
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static int pi_justification[] = { 0, 1, 2 };
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static char *ppsz_justification_text[] = {N_("Center"),N_("Left"),N_("Right")};
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#define ENCODING_TEXT N_("Subtitles text encoding")
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#define ENCODING_LONGTEXT N_("Set the encoding used in text subtitles")
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#define ALIGN_TEXT N_("Subtitles justification")
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#define ALIGN_LONGTEXT N_("Set the justification of subtitles")
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#define FORMAT_TEXT N_("Formatted Subtitles")
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#define FORMAT_LONGTEXT N_("Some subtitle formats allow for text formatting.\
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VLC partly implements this, but you can choose to disable all formatting.")
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vlc_module_begin();
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set_shortname( _("Subtitles"));
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set_description( _("Text subtitles decoder") );
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set_capability( "decoder", 50 );
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set_callbacks( OpenDecoder, CloseDecoder );
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set_category( CAT_INPUT );
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set_subcategory( SUBCAT_INPUT_SCODEC );
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add_integer( "subsdec-align", 0, NULL, ALIGN_TEXT, ALIGN_LONGTEXT,
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VLC_FALSE );
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change_integer_list( pi_justification, ppsz_justification_text, 0 );
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add_string( "subsdec-encoding", DEFAULT_NAME, NULL,
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ENCODING_TEXT, ENCODING_LONGTEXT, VLC_FALSE );
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change_string_list( ppsz_encodings, 0, 0 );
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add_bool( "subsdec-formatted", VLC_TRUE, NULL, FORMAT_TEXT, FORMAT_LONGTEXT,
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VLC_FALSE );
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vlc_module_end();
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/*****************************************************************************
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* OpenDecoder: probe the decoder and return score
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*****************************************************************************
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* Tries to launch a decoder and return score so that the interface is able
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* to chose.
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*****************************************************************************/
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static int OpenDecoder( vlc_object_t *p_this )
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{
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decoder_t *p_dec = (decoder_t*)p_this;
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decoder_sys_t *p_sys;
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vlc_value_t val;
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if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','u','b','t') &&
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p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
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{
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return VLC_EGENERIC;
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}
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p_dec->pf_decode_sub = DecodeBlock;
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/* Allocate the memory needed to store the decoder's structure */
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if( ( p_dec->p_sys = p_sys =
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(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
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{
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msg_Err( p_dec, "out of memory" );
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return VLC_EGENERIC;
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}
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/* init of p_sys */
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p_sys->i_align = 0;
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p_sys->iconv_handle = (vlc_iconv_t)-1;
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p_sys->b_ass = VLC_FALSE;
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p_sys->i_original_height = -1;
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p_sys->i_original_width = -1;
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p_sys->pp_ssa_styles = NULL;
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p_sys->i_ssa_styles = 0;
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if( p_dec->fmt_in.subs.psz_encoding && *p_dec->fmt_in.subs.psz_encoding )
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{
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msg_Dbg( p_dec, "using character encoding: %s",
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p_dec->fmt_in.subs.psz_encoding );
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if( strcmp( p_dec->fmt_in.subs.psz_encoding, "UTF-8" ) )
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p_sys->iconv_handle = vlc_iconv_open( "UTF-8", p_dec->fmt_in.subs.psz_encoding );
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}
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else
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{
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var_Create( p_dec, "subsdec-encoding",
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VLC_VAR_STRING | VLC_VAR_DOINHERIT );
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var_Get( p_dec, "subsdec-encoding", &val );
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if( !strcmp( val.psz_string, DEFAULT_NAME ) )
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{
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char *psz_charset =(char*)malloc( 100 );
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#ifdef __APPLE__
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/* Most subtitles are not in UTF-8, which is the default on Mac OS X */
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psz_charset = "ISO-8859-1";
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#else
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vlc_current_charset( &psz_charset );
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#endif
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p_sys->iconv_handle = vlc_iconv_open( "UTF-8", psz_charset );
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msg_Dbg( p_dec, "using default character encoding: %s", psz_charset );
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free( psz_charset );
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}
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else if( !strcmp( val.psz_string, "UTF-8" ) )
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{
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msg_Dbg( p_dec, "using character encoding: UTF-8" );
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}
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else if( val.psz_string )
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{
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msg_Dbg( p_dec, "using character encoding: %s", val.psz_string );
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p_sys->iconv_handle = vlc_iconv_open( "UTF-8", val.psz_string );
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if( p_sys->iconv_handle == (vlc_iconv_t)-1 )
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{
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msg_Warn( p_dec, "unable to do requested conversion" );
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}
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}
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if( val.psz_string ) free( val.psz_string );
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}
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var_Create( p_dec, "subsdec-align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
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var_Get( p_dec, "subsdec-align", &val );
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p_sys->i_align = val.i_int;
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if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','s','a',' ') && var_CreateGetBool( p_dec, "subsdec-formatted" ) )
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{
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if( p_dec->fmt_in.i_extra > 0 )
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ParseSSAHeader( p_dec );
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}
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return VLC_SUCCESS;
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}
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/****************************************************************************
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* DecodeBlock: the whole thing
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****************************************************************************
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* This function must be fed with complete subtitles units.
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****************************************************************************/
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static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
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{
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subpicture_t *p_spu = NULL;
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if( !pp_block || *pp_block == NULL ) return NULL;
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p_spu = ParseText( p_dec, *pp_block );
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block_Release( *pp_block );
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*pp_block = NULL;
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return p_spu;
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}
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/*****************************************************************************
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* CloseDecoder: clean up the decoder
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*****************************************************************************/
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static void CloseDecoder( vlc_object_t *p_this )
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{
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decoder_t *p_dec = (decoder_t *)p_this;
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decoder_sys_t *p_sys = p_dec->p_sys;
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if( p_sys->iconv_handle != (vlc_iconv_t)-1 )
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{
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vlc_iconv_close( p_sys->iconv_handle );
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}
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if( p_sys->pp_ssa_styles )
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{
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int i;
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for( i = 0; i < p_sys->i_ssa_styles; i++ )
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{
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if( p_sys->pp_ssa_styles[i]->psz_stylename ) free( p_sys->pp_ssa_styles[i]->psz_stylename );
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p_sys->pp_ssa_styles[i]->psz_stylename = NULL;
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if( p_sys->pp_ssa_styles[i]->font_style.psz_fontname ) free( p_sys->pp_ssa_styles[i]->font_style.psz_fontname );
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p_sys->pp_ssa_styles[i]->font_style.psz_fontname = NULL;
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if( p_sys->pp_ssa_styles[i] ) free( p_sys->pp_ssa_styles[i] ); p_sys->pp_ssa_styles[i] = NULL;
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}
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free( p_sys->pp_ssa_styles ); p_sys->pp_ssa_styles = NULL;
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}
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free( p_sys );
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}
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/*****************************************************************************
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* ParseText: parse an text subtitle packet and send it to the video output
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*****************************************************************************/
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static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
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{
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decoder_sys_t *p_sys = p_dec->p_sys;
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subpicture_t *p_spu = NULL;
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char *psz_subtitle = NULL;
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video_format_t fmt;
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/* We cannot display a subpicture with no date */
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if( p_block->i_pts == 0 )
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{
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msg_Warn( p_dec, "subtitle without a date" );
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return NULL;
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}
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/* Check validity of packet data */
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if( p_block->i_buffer <= 1 || p_block->p_buffer[0] == '\0' )
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{
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msg_Warn( p_dec, "empty subtitle" );
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return NULL;
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}
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/* Should be resiliant against bad subtitles */
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psz_subtitle = strndup( (const char *)p_block->p_buffer,
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p_block->i_buffer );
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if( p_sys->iconv_handle != (vlc_iconv_t)-1 )
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{
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char *psz_new_subtitle;
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char *psz_convert_buffer_out;
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char *psz_convert_buffer_in;
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size_t ret, inbytes_left, outbytes_left;
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psz_new_subtitle = malloc( 6 * strlen( psz_subtitle ) );
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psz_convert_buffer_out = psz_new_subtitle;
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psz_convert_buffer_in = psz_subtitle;
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inbytes_left = strlen( psz_subtitle );
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outbytes_left = 6 * inbytes_left;
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ret = vlc_iconv( p_sys->iconv_handle, &psz_convert_buffer_in,
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&inbytes_left, &psz_convert_buffer_out,
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&outbytes_left );
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*psz_convert_buffer_out = '\0';
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if( psz_subtitle ) free( psz_subtitle );
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psz_subtitle = NULL;
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if( inbytes_left )
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{
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msg_Err( p_dec, _("Failed to convert subtitle encoding.\n"
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"Try manually setting a character-encoding "
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"before you open the file.") );
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return NULL;
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}
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psz_subtitle = psz_new_subtitle;
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}
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/* Create the subpicture unit */
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p_spu = p_dec->pf_spu_buffer_new( p_dec );
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if( !p_spu )
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{
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msg_Warn( p_dec, "can't get spu buffer" );
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if( psz_subtitle ) free( psz_subtitle );
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return NULL;
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}
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|
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/* Create a new subpicture region */
|
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memset( &fmt, 0, sizeof(video_format_t) );
|
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fmt.i_chroma = VLC_FOURCC('T','E','X','T');
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fmt.i_aspect = 0;
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fmt.i_width = fmt.i_height = 0;
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fmt.i_x_offset = fmt.i_y_offset = 0;
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p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
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if( !p_spu->p_region )
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{
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msg_Err( p_dec, "cannot allocate SPU region" );
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if( psz_subtitle ) free( psz_subtitle );
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p_dec->pf_spu_buffer_del( p_dec, p_spu );
|
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return NULL;
|
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}
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|
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/* Decode and format the subpicture unit */
|
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if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
|
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{
|
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/* Normal text subs, easy markup */
|
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p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
|
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p_spu->i_x = p_sys->i_align ? 20 : 0;
|
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p_spu->i_y = 10;
|
|
|
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/* Remove formatting from string */
|
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StripTags( psz_subtitle );
|
|
|
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p_spu->p_region->psz_text = psz_subtitle;
|
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p_spu->i_start = p_block->i_pts;
|
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p_spu->i_stop = p_block->i_pts + p_block->i_length;
|
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p_spu->b_ephemer = (p_block->i_length == 0);
|
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p_spu->b_absolute = VLC_FALSE;
|
|
}
|
|
else
|
|
{
|
|
/* Decode SSA strings */
|
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ParseSSAString( p_dec, psz_subtitle, p_spu );
|
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p_spu->i_start = p_block->i_pts;
|
|
p_spu->i_stop = p_block->i_pts + p_block->i_length;
|
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p_spu->b_ephemer = (p_block->i_length == 0);
|
|
p_spu->b_absolute = VLC_FALSE;
|
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if( psz_subtitle ) free( psz_subtitle );
|
|
}
|
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return p_spu;
|
|
}
|
|
|
|
static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *p_spu_in )
|
|
{
|
|
/* We expect MKV formatted SSA:
|
|
* ReadOrder, Layer, Style, CharacterName, MarginL, MarginR,
|
|
* MarginV, Effect, Text */
|
|
decoder_sys_t *p_sys = p_dec->p_sys;
|
|
subpicture_t *p_spu = p_spu_in;
|
|
ssa_style_t *p_style = NULL;
|
|
char *psz_new_subtitle = NULL;
|
|
char *psz_buffer_sub = NULL;
|
|
char *psz_style = NULL;
|
|
char *psz_style_start = NULL;
|
|
char *psz_style_end = NULL;
|
|
int i_text = 0, i_comma = 0, i_strlen = 0, i;
|
|
int i_margin_l = 0, i_margin_r = 0, i_margin_v = 0;
|
|
|
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psz_buffer_sub = psz_subtitle;
|
|
|
|
i_comma = 0;
|
|
while( i_comma < 8 && *psz_buffer_sub != '\0' )
|
|
{
|
|
if( *psz_buffer_sub == ',' )
|
|
{
|
|
i_comma++;
|
|
if( i_comma == 2 ) psz_style_start = &psz_buffer_sub[1];
|
|
if( i_comma == 3 ) psz_style_end = &psz_buffer_sub[0];
|
|
if( i_comma == 4 ) i_margin_l = (int)strtol( psz_buffer_sub+1, NULL, 10 );
|
|
if( i_comma == 5 ) i_margin_r = (int)strtol( psz_buffer_sub+1, NULL, 10 );
|
|
if( i_comma == 6 ) i_margin_v = (int)strtol( psz_buffer_sub+1, NULL, 10 );
|
|
}
|
|
psz_buffer_sub++;
|
|
}
|
|
|
|
if( *psz_buffer_sub == '\0' && i_comma == 8 )
|
|
{
|
|
msg_Dbg( p_dec, "couldn't find all fields in this SSA line" );
|
|
return;
|
|
}
|
|
|
|
psz_new_subtitle = malloc( strlen( psz_buffer_sub ) + 1);
|
|
i_text = 0;
|
|
while( psz_buffer_sub[0] != '\0' )
|
|
{
|
|
if( psz_buffer_sub[0] == '\\' && psz_buffer_sub[0] == 'n' )
|
|
{
|
|
psz_new_subtitle[i_text] = ' ';
|
|
i_text++;
|
|
psz_buffer_sub += 2;
|
|
}
|
|
else if( psz_buffer_sub[0] == '\\' && psz_buffer_sub[1] == 'N' )
|
|
{
|
|
psz_new_subtitle[i_text] = '\n';
|
|
i_text++;
|
|
psz_buffer_sub += 2;
|
|
}
|
|
else if( psz_buffer_sub[0] == '{' &&
|
|
psz_buffer_sub[1] == '\\' )
|
|
{
|
|
/* SSA control code */
|
|
while( psz_buffer_sub[0] != '\0' &&
|
|
psz_buffer_sub[0] != '}' )
|
|
{
|
|
psz_buffer_sub++;
|
|
}
|
|
psz_buffer_sub++;
|
|
}
|
|
else
|
|
{
|
|
psz_new_subtitle[i_text] = psz_buffer_sub[0];
|
|
i_text++;
|
|
psz_buffer_sub++;
|
|
}
|
|
}
|
|
psz_new_subtitle[i_text] = '\0';
|
|
|
|
i_strlen = __MAX( psz_style_end - psz_style_start, 0);
|
|
psz_style = (char *)malloc( i_strlen + 1);
|
|
psz_style = memcpy( psz_style, psz_style_start, i_strlen );
|
|
psz_style[i_strlen] = '\0';
|
|
|
|
for( i = 0; i < p_sys->i_ssa_styles; i++ )
|
|
{
|
|
if( !strcmp( p_sys->pp_ssa_styles[i]->psz_stylename, psz_style ) )
|
|
p_style = p_sys->pp_ssa_styles[i];
|
|
}
|
|
if( psz_style ) free( psz_style );
|
|
|
|
p_spu->p_region->psz_text = psz_new_subtitle;
|
|
if( p_style == NULL )
|
|
{
|
|
p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
|
|
p_spu->i_x = p_sys->i_align ? 20 : 0;
|
|
p_spu->i_y = 10;
|
|
}
|
|
else
|
|
{
|
|
msg_Dbg( p_dec, "style is: %s", p_style->psz_stylename);
|
|
p_spu->p_region->p_style = &p_style->font_style;
|
|
p_spu->i_flags = p_style->i_align;
|
|
if( p_style->i_align & SUBPICTURE_ALIGN_LEFT )
|
|
{
|
|
p_spu->i_x = (i_margin_l) ? i_margin_l : p_style->i_margin_h;
|
|
}
|
|
else if( p_style->i_align & SUBPICTURE_ALIGN_RIGHT )
|
|
{
|
|
p_spu->i_x = (i_margin_r) ? i_margin_r : p_style->i_margin_h;
|
|
}
|
|
p_spu->i_y = (i_margin_v) ? i_margin_v : p_style->i_margin_v;
|
|
}
|
|
}
|
|
|
|
static char* GotoNextLine( char *psz_text )
|
|
{
|
|
char *p_newline = psz_text;
|
|
|
|
while( p_newline[0] != '\0' )
|
|
{
|
|
if( p_newline[0] == '\n' || p_newline[0] == '\r' )
|
|
{
|
|
p_newline++;
|
|
while( p_newline[0] == '\n' || p_newline[0] == '\r' )
|
|
p_newline++;
|
|
break;
|
|
}
|
|
else p_newline++;
|
|
}
|
|
return p_newline;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* ParseColor: SSA stores color in BBGGRR, in ASS it uses AABBGGRR
|
|
* The string value in the string can be a pure integer, or hexadecimal &HBBGGRR
|
|
*****************************************************************************/
|
|
static void ParseColor( decoder_t *p_dec, char *psz_color, int *pi_color, int *pi_alpha )
|
|
{
|
|
int i_color = 0;
|
|
if( !strncasecmp( psz_color, "&H", 2 ) )
|
|
{
|
|
/* textual HEX representation */
|
|
i_color = (int) strtol( psz_color+2, NULL, 16 );
|
|
}
|
|
else i_color = (int) strtol( psz_color, NULL, 0 );
|
|
|
|
*pi_color = 0;
|
|
*pi_color |= ( ( i_color & 0x000000FF ) << 16 ); /* Red */
|
|
*pi_color |= ( ( i_color & 0x0000FF00 ) ); /* Green */
|
|
*pi_color |= ( ( i_color & 0x00FF0000 ) >> 16 ); /* Blue */
|
|
|
|
if( pi_alpha != NULL )
|
|
*pi_alpha = ( i_color & 0xFF000000 ) >> 24;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* ParseSSAHeader: Retrieve global formatting information etc
|
|
*****************************************************************************/
|
|
static void ParseSSAHeader( decoder_t *p_dec )
|
|
{
|
|
decoder_sys_t *p_sys = p_dec->p_sys;
|
|
char *psz_parser = NULL;
|
|
char *psz_header = malloc( p_dec->fmt_in.i_extra+1 );
|
|
int i_section_type = 1;
|
|
|
|
memcpy( psz_header, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
|
|
psz_header[ p_dec->fmt_in.i_extra] = '\0';
|
|
|
|
/* Handle [Script Info] section */
|
|
psz_parser = strcasestr( psz_header, "[Script Info]" );
|
|
if( psz_parser == NULL ) goto eof;
|
|
|
|
psz_parser = GotoNextLine( psz_parser );
|
|
|
|
while( psz_parser[0] != '\0' )
|
|
{
|
|
int temp;
|
|
char buffer_text[MAX_LINE + 1];
|
|
|
|
if( psz_parser[0] == '!' || psz_parser[0] == ';' ) /* comment */;
|
|
else if( sscanf( psz_parser, "PlayResX: %d", &temp ) == 1 )
|
|
p_sys->i_original_width = temp;
|
|
else if( sscanf( psz_parser, "PlayResY: %d", &temp ) == 1 )
|
|
p_sys->i_original_height = temp;
|
|
else if( sscanf( psz_parser, "Script Type: %8192s", buffer_text ) == 1 )
|
|
{
|
|
if( !strcasecmp( buffer_text, "V4.00+" ) ) p_sys->b_ass = VLC_TRUE;
|
|
}
|
|
else if( !strncasecmp( psz_parser, "[V4 Styles]", 11 ) )
|
|
i_section_type = 1;
|
|
else if( !strncasecmp( psz_parser, "[V4+ Styles]", 12) )
|
|
{
|
|
i_section_type = 2;
|
|
p_sys->b_ass = VLC_TRUE;
|
|
}
|
|
else if( !strncasecmp( psz_parser, "[Events]", 8 ) )
|
|
i_section_type = 4;
|
|
else if( !strncasecmp( psz_parser, "Style:", 6 ) )
|
|
{
|
|
int i_font_size, i_bold, i_italic, i_border, i_outline, i_shadow, i_underline,
|
|
i_strikeout, i_scale_x, i_scale_y, i_spacing, i_align, i_margin_l, i_margin_r, i_margin_v;
|
|
|
|
char psz_temp_stylename[MAX_LINE+1];
|
|
char psz_temp_fontname[MAX_LINE+1];
|
|
char psz_temp_color1[MAX_LINE+1];
|
|
char psz_temp_color2[MAX_LINE+1];
|
|
char psz_temp_color3[MAX_LINE+1];
|
|
char psz_temp_color4[MAX_LINE+1];
|
|
|
|
if( i_section_type == 1 ) /* V4 */
|
|
{
|
|
if( sscanf( psz_parser, "Style: %8192[^,],%8192[^,],%d,%8192[^,],%8192[^,],%8192[^,],%8192[^,],%d,%d,%d,%d,%d,%d,%d,%d,%d%*[^\r\n]",
|
|
psz_temp_stylename, psz_temp_fontname, &i_font_size,
|
|
psz_temp_color1, psz_temp_color2, psz_temp_color3, psz_temp_color4, &i_bold, &i_italic,
|
|
&i_border, &i_outline, &i_shadow, &i_align, &i_margin_l, &i_margin_r, &i_margin_v ) == 16 )
|
|
{
|
|
ssa_style_t *p_style = malloc( sizeof(ssa_style_t) );
|
|
|
|
p_style->psz_stylename = strdup( psz_temp_stylename );
|
|
p_style->font_style.psz_fontname = strdup( psz_temp_fontname );
|
|
p_style->font_style.i_font_size = i_font_size;
|
|
|
|
ParseColor( p_dec, psz_temp_color1, &p_style->font_style.i_font_color, NULL );
|
|
ParseColor( p_dec, psz_temp_color4, &p_style->font_style.i_shadow_color, NULL );
|
|
p_style->font_style.i_outline_color = p_style->font_style.i_shadow_color;
|
|
p_style->font_style.i_font_alpha = p_style->font_style.i_outline_alpha = p_style->font_style.i_shadow_alpha = 0x00;
|
|
p_style->font_style.i_style_flags = 0;
|
|
if( i_bold ) p_style->font_style.i_style_flags |= STYLE_BOLD;
|
|
if( i_italic ) p_style->font_style.i_style_flags |= STYLE_ITALIC;
|
|
|
|
if( i_border == 1 ) p_style->font_style.i_style_flags |= (STYLE_ITALIC | STYLE_OUTLINE);
|
|
else if( i_border == 3 )
|
|
{
|
|
p_style->font_style.i_style_flags |= STYLE_BACKGROUND;
|
|
p_style->font_style.i_background_color = p_style->font_style.i_shadow_color;
|
|
p_style->font_style.i_background_alpha = p_style->font_style.i_shadow_alpha;
|
|
}
|
|
p_style->font_style.i_shadow_width = i_shadow;
|
|
p_style->font_style.i_outline_width = i_outline;
|
|
|
|
p_style->i_align = 0;
|
|
if( i_align == 1 || i_align == 5 || i_align == 9 ) p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
|
|
if( i_align == 3 || i_align == 7 || i_align == 11 ) p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
|
|
if( i_align < 4 ) p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
|
|
else if( i_align < 8 ) p_style->i_align |= SUBPICTURE_ALIGN_TOP;
|
|
|
|
p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
|
|
p_style->i_margin_v = i_margin_v;
|
|
|
|
TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
|
|
}
|
|
else msg_Warn( p_dec, "SSA v4 styleline parsing failed" );
|
|
}
|
|
else if( i_section_type == 2 ) /* V4+ */
|
|
{
|
|
/* Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour,
|
|
Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline,
|
|
Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
|
*/
|
|
if( sscanf( psz_parser, "Style: %8192[^,],%8192[^,],%d,%8192[^,],%8192[^,],%8192[^,],%8192[^,],%d,%d,%d,%d,%d,%d,%d,%*f,%d,%d,%d,%d,%d,%d,%d%*[^\r\n]",
|
|
psz_temp_stylename, psz_temp_fontname, &i_font_size,
|
|
psz_temp_color1, psz_temp_color2, psz_temp_color3, psz_temp_color4, &i_bold, &i_italic,
|
|
&i_underline, &i_strikeout, &i_scale_x, &i_scale_y, &i_spacing, &i_border, &i_outline,
|
|
&i_shadow, &i_align, &i_margin_l, &i_margin_r, &i_margin_v ) == 21 )
|
|
{
|
|
ssa_style_t *p_style = malloc( sizeof(ssa_style_t) );
|
|
|
|
p_style->psz_stylename = strdup( psz_temp_stylename );
|
|
p_style->font_style.psz_fontname = strdup( psz_temp_fontname );
|
|
p_style->font_style.i_font_size = i_font_size;
|
|
msg_Dbg( p_dec, psz_temp_color1 );
|
|
ParseColor( p_dec, psz_temp_color1, &p_style->font_style.i_font_color, &p_style->font_style.i_font_alpha );
|
|
ParseColor( p_dec, psz_temp_color3, &p_style->font_style.i_outline_color, &p_style->font_style.i_outline_alpha );
|
|
ParseColor( p_dec, psz_temp_color4, &p_style->font_style.i_shadow_color, &p_style->font_style.i_shadow_alpha );
|
|
|
|
p_style->font_style.i_style_flags = 0;
|
|
if( i_bold ) p_style->font_style.i_style_flags |= STYLE_BOLD;
|
|
if( i_italic ) p_style->font_style.i_style_flags |= STYLE_ITALIC;
|
|
if( i_underline ) p_style->font_style.i_style_flags |= STYLE_UNDERLINE;
|
|
if( i_strikeout ) p_style->font_style.i_style_flags |= STYLE_STRIKEOUT;
|
|
if( i_border == 1 ) p_style->font_style.i_style_flags |= (STYLE_ITALIC | STYLE_OUTLINE);
|
|
else if( i_border == 3 )
|
|
{
|
|
p_style->font_style.i_style_flags |= STYLE_BACKGROUND;
|
|
p_style->font_style.i_background_color = p_style->font_style.i_shadow_color;
|
|
p_style->font_style.i_background_alpha = p_style->font_style.i_shadow_alpha;
|
|
}
|
|
p_style->font_style.i_shadow_width = ( i_border == 1 ) ? i_shadow : 0;
|
|
p_style->font_style.i_outline_width = ( i_border == 1 ) ? i_outline : 0;
|
|
p_style->font_style.i_spacing = i_spacing;
|
|
//p_style->font_style.f_angle = f_angle;
|
|
|
|
p_style->i_align = 0;
|
|
if( i_align == 0x1 || i_align == 0x4 || i_align == 0x1 ) p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
|
|
if( i_align == 0x3 || i_align == 0x6 || i_align == 0x9 ) p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
|
|
if( i_align == 0x7 || i_align == 0x8 || i_align == 0x9 ) p_style->i_align |= SUBPICTURE_ALIGN_TOP;
|
|
if( i_align == 0x1 || i_align == 0x2 || i_align == 0x3 ) p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
|
|
p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
|
|
p_style->i_margin_v = i_margin_v;
|
|
|
|
/*TODO: Ignored: angle i_scale_x|y (fontscaling), i_encoding */
|
|
TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
|
|
}
|
|
else msg_Dbg( p_dec, "SSA V4+ styleline parsing failed" );
|
|
}
|
|
}
|
|
psz_parser = GotoNextLine( psz_parser );
|
|
}
|
|
|
|
eof:
|
|
if( psz_header ) free( psz_header );
|
|
return;
|
|
}
|
|
|
|
static void StripTags( char *psz_text )
|
|
{
|
|
int i_left_moves = 0;
|
|
vlc_bool_t b_inside_tag = VLC_FALSE;
|
|
int i = 0;
|
|
int i_tag_start = -1;
|
|
while( psz_text[ i ] )
|
|
{
|
|
if( !b_inside_tag )
|
|
{
|
|
if( psz_text[ i ] == '<' )
|
|
{
|
|
b_inside_tag = VLC_TRUE;
|
|
i_tag_start = i;
|
|
}
|
|
psz_text[ i - i_left_moves ] = psz_text[ i ];
|
|
}
|
|
else
|
|
{
|
|
if( ( psz_text[ i ] == ' ' ) ||
|
|
( psz_text[ i ] == '\t' ) ||
|
|
( psz_text[ i ] == '\n' ) ||
|
|
( psz_text[ i ] == '\r' ) )
|
|
{
|
|
b_inside_tag = VLC_FALSE;
|
|
i_tag_start = -1;
|
|
}
|
|
else if( psz_text[ i ] == '>' )
|
|
{
|
|
i_left_moves += i - i_tag_start + 1;
|
|
i_tag_start = -1;
|
|
b_inside_tag = VLC_FALSE;
|
|
}
|
|
else
|
|
{
|
|
psz_text[ i - i_left_moves ] = psz_text[ i ];
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
psz_text[ i - i_left_moves ] = '\0';
|
|
}
|
|
|