1 /*****************************************************************************
2 * subsdec.c : text subtitles decoder
3 *****************************************************************************
4 * Copyright (C) 2000-2006 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@videolan.org>
8 * Samuel Hocevar <sam@zoy.org>
9 * Derk-Jan Hartman <hartman at videolan dot org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
31 #include <vlc_codec.h>
34 #include <vlc_filter.h>
35 #include <vlc_charset.h>
41 char * psz_stylename; /* The name of the style, no comma's allowed */
42 text_style_t font_style;
48 /*****************************************************************************
49 * decoder_sys_t : decoder descriptor
50 *****************************************************************************/
53 vlc_bool_t b_ass; /* The subs are ASS */
54 int i_original_height;
56 int i_align; /* Subtitles alignment on the vout */
57 vlc_iconv_t iconv_handle; /* handle to iconv instance */
58 vlc_bool_t b_autodetect_utf8;
60 ssa_style_t **pp_ssa_styles;
64 /*****************************************************************************
66 *****************************************************************************/
67 static int OpenDecoder ( vlc_object_t * );
68 static void CloseDecoder ( vlc_object_t * );
70 static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
71 static subpicture_t *ParseText ( decoder_t *, block_t * );
72 static void ParseSSAHeader ( decoder_t * );
73 static void ParseSSAString ( decoder_t *, char *, subpicture_t * );
74 static void ParseColor ( decoder_t *, char *, int *, int * );
75 static void StripTags ( char * );
77 #define DEFAULT_NAME "Default"
80 /*****************************************************************************
82 *****************************************************************************/
83 static const char *ppsz_encodings[] = { DEFAULT_NAME, "ASCII", "UTF-8", "",
84 "ISO-8859-1", "CP1252", "MacRoman", "MacIceland","ISO-8859-15", "",
85 "ISO-8859-2", "CP1250", "MacCentralEurope", "MacCroatian", "MacRomania", "",
86 "ISO-8859-5", "CP1251", "MacCyrillic", "MacUkraine", "KOI8-R", "KOI8-U", "KOI8-RU", "",
87 "ISO-8859-6", "CP1256", "MacArabic", "",
88 "ISO-8859-7", "CP1253", "MacGreek", "",
89 "ISO-8859-8", "CP1255", "MacHebrew", "",
90 "ISO-8859-9", "CP1254", "MacTurkish", "",
91 "ISO-8859-13", "CP1257", "",
92 "ISO-2022-JP", "ISO-2022-JP-1", "ISO-2022-JP-2", "EUC-JP", "SHIFT_JIS", "",
93 "ISO-2022-CN", "ISO-2022-CN-EXT", "EUC-CN", "EUC-TW", "BIG5", "BIG5-HKSCS", "",
94 "ISO-2022-KR", "EUC-KR", "",
95 "MacThai", "KOI8-T", "",
96 "ISO-8859-3", "ISO-8859-4", "ISO-8859-10", "ISO-8859-14", "ISO-8859-16", "",
97 "CP850", "CP862", "CP866", "CP874", "CP932", "CP949", "CP950", "CP1133", "CP1258", "",
99 "UTF-7", "UTF-16", "UTF-16BE", "UTF-16LE", "UTF-32", "UTF-32BE", "UTF-32LE",
100 "C99", "JAVA", "UCS-2", "UCS-2BE", "UCS-2LE", "UCS-4", "UCS-4BE", "UCS-4LE", "",
101 "HZ", "GBK", "GB18030", "JOHAB", "ARMSCII-8",
102 "Georgian-Academy", "Georgian-PS", "TIS-620", "MuleLao-1", "VISCII", "TCVN",
103 "HPROMAN8", "NEXTSTEP" };
105 SSA supports charset selection.
106 The following known charsets are used:
108 0 = Ansi - Western European
113 128 = Japanese (Shift JIS)
116 134 = GB2312 Simplified Chinese
117 136 = Big5 Traditional Chinese
124 204 = Russian (Cyrillic)
126 238 = Eastern European
130 static int pi_justification[] = { 0, 1, 2 };
131 static const char *ppsz_justification_text[] = {N_("Center"),N_("Left"),N_("Right")};
133 #define ENCODING_TEXT N_("Subtitles text encoding")
134 #define ENCODING_LONGTEXT N_("Set the encoding used in text subtitles")
135 #define ALIGN_TEXT N_("Subtitles justification")
136 #define ALIGN_LONGTEXT N_("Set the justification of subtitles")
137 #define AUTODETECT_UTF8_TEXT N_("UTF-8 subtitles autodetection")
138 #define AUTODETECT_UTF8_LONGTEXT N_("This enables automatic detection of " \
139 "UTF-8 encoding within subtitles files.")
140 #define FORMAT_TEXT N_("Formatted Subtitles")
141 #define FORMAT_LONGTEXT N_("Some subtitle formats allow for text formatting. " \
142 "VLC partly implements this, but you can choose to disable all formatting.")
146 set_shortname( _("Subtitles"));
147 set_description( _("Text subtitles decoder") );
148 set_capability( "decoder", 50 );
149 set_callbacks( OpenDecoder, CloseDecoder );
150 set_category( CAT_INPUT );
151 set_subcategory( SUBCAT_INPUT_SCODEC );
153 add_integer( "subsdec-align", 0, NULL, ALIGN_TEXT, ALIGN_LONGTEXT,
155 change_integer_list( pi_justification, ppsz_justification_text, 0 );
156 add_string( "subsdec-encoding", DEFAULT_NAME, NULL,
157 ENCODING_TEXT, ENCODING_LONGTEXT, VLC_FALSE );
158 change_string_list( ppsz_encodings, 0, 0 );
159 add_bool( "subsdec-autodetect-utf8", VLC_TRUE, NULL,
160 AUTODETECT_UTF8_TEXT, AUTODETECT_UTF8_LONGTEXT, VLC_FALSE );
161 add_bool( "subsdec-formatted", VLC_TRUE, NULL, FORMAT_TEXT, FORMAT_LONGTEXT,
165 /*****************************************************************************
166 * OpenDecoder: probe the decoder and return score
167 *****************************************************************************
168 * Tries to launch a decoder and return score so that the interface is able
170 *****************************************************************************/
171 static int OpenDecoder( vlc_object_t *p_this )
173 decoder_t *p_dec = (decoder_t*)p_this;
174 decoder_sys_t *p_sys;
177 if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','u','b','t') &&
178 p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
183 p_dec->pf_decode_sub = DecodeBlock;
185 /* Allocate the memory needed to store the decoder's structure */
186 if( ( p_dec->p_sys = p_sys =
187 (decoder_sys_t *)calloc(1, sizeof(decoder_sys_t)) ) == NULL )
189 msg_Err( p_dec, "out of memory" );
195 p_sys->iconv_handle = (vlc_iconv_t)-1;
196 p_sys->b_autodetect_utf8 = VLC_FALSE;
197 p_sys->b_ass = VLC_FALSE;
198 p_sys->i_original_height = -1;
199 p_sys->i_original_width = -1;
200 p_sys->pp_ssa_styles = NULL;
201 p_sys->i_ssa_styles = 0;
203 char *psz_charset = NULL;
204 /* First try demux-specified encoding */
205 if( p_dec->fmt_in.subs.psz_encoding && *p_dec->fmt_in.subs.psz_encoding )
207 psz_charset = strdup (p_dec->fmt_in.subs.psz_encoding);
208 msg_Dbg (p_dec, "trying demuxer-specified character encoding: %s",
209 p_dec->fmt_in.subs.psz_encoding ?: "not specified");
212 /* Second, try configured encoding */
213 if (psz_charset == NULL)
215 psz_charset = var_CreateGetNonEmptyString (p_dec, "subsdec-encoding");
216 if ((psz_charset != NULL) && !strcasecmp (psz_charset, DEFAULT_NAME))
222 msg_Dbg (p_dec, "trying configured character encoding: %s",
223 psz_charset ?: "not specified");
226 /* Third, try "local" encoding with optional UTF-8 autodetection */
227 if (psz_charset == NULL)
229 psz_charset = strdup (GetFallbackEncoding ());
230 msg_Dbg (p_dec, "trying default character encoding: %s",
231 psz_charset ?: "not specified");
233 if (var_CreateGetBool (p_dec, "subsdec-autodetect-utf8"))
235 msg_Dbg (p_dec, "using automatic UTF-8 detection");
236 p_sys->b_autodetect_utf8 = VLC_TRUE;
240 if (psz_charset == NULL)
242 psz_charset = strdup ("UTF-8");
243 msg_Dbg (p_dec, "trying hard-coded character encoding: %s",
244 psz_charset ?: "error");
247 if (psz_charset == NULL)
253 if (strcasecmp (psz_charset, "UTF-8") && strcasecmp (psz_charset, "utf8"))
255 p_sys->iconv_handle = vlc_iconv_open ("UTF-8", psz_charset);
256 if (p_sys->iconv_handle == (vlc_iconv_t)(-1))
257 msg_Err (p_dec, "cannot convert from %s: %s", psz_charset,
262 var_Create( p_dec, "subsdec-align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
263 var_Get( p_dec, "subsdec-align", &val );
264 p_sys->i_align = val.i_int;
266 if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','s','a',' ') && var_CreateGetBool( p_dec, "subsdec-formatted" ) )
268 if( p_dec->fmt_in.i_extra > 0 )
269 ParseSSAHeader( p_dec );
275 /****************************************************************************
276 * DecodeBlock: the whole thing
277 ****************************************************************************
278 * This function must be fed with complete subtitles units.
279 ****************************************************************************/
280 static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
282 subpicture_t *p_spu = NULL;
284 if( !pp_block || *pp_block == NULL ) return NULL;
286 p_spu = ParseText( p_dec, *pp_block );
288 block_Release( *pp_block );
294 /*****************************************************************************
295 * CloseDecoder: clean up the decoder
296 *****************************************************************************/
297 static void CloseDecoder( vlc_object_t *p_this )
299 decoder_t *p_dec = (decoder_t *)p_this;
300 decoder_sys_t *p_sys = p_dec->p_sys;
302 if( p_sys->iconv_handle != (vlc_iconv_t)-1 )
304 vlc_iconv_close( p_sys->iconv_handle );
307 if( p_sys->pp_ssa_styles )
310 for( i = 0; i < p_sys->i_ssa_styles; i++ )
312 if( p_sys->pp_ssa_styles[i]->psz_stylename ) free( p_sys->pp_ssa_styles[i]->psz_stylename );
313 p_sys->pp_ssa_styles[i]->psz_stylename = NULL;
314 if( p_sys->pp_ssa_styles[i]->font_style.psz_fontname ) free( p_sys->pp_ssa_styles[i]->font_style.psz_fontname );
315 p_sys->pp_ssa_styles[i]->font_style.psz_fontname = NULL;
316 if( p_sys->pp_ssa_styles[i] ) free( p_sys->pp_ssa_styles[i] ); p_sys->pp_ssa_styles[i] = NULL;
318 free( p_sys->pp_ssa_styles ); p_sys->pp_ssa_styles = NULL;
324 /*****************************************************************************
325 * ParseText: parse an text subtitle packet and send it to the video output
326 *****************************************************************************/
327 static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
329 decoder_sys_t *p_sys = p_dec->p_sys;
330 subpicture_t *p_spu = NULL;
331 char *psz_subtitle = NULL;
334 /* We cannot display a subpicture with no date */
335 if( p_block->i_pts == 0 )
337 msg_Warn( p_dec, "subtitle without a date" );
341 /* Check validity of packet data */
342 /* An "empty" line containing only \0 can be used to force
343 and ephemer picture from the screen */
344 if( p_block->i_buffer < 1 )
346 msg_Warn( p_dec, "no subtitle data" );
350 /* Should be resiliant against bad subtitles */
351 psz_subtitle = strndup( (const char *)p_block->p_buffer,
353 if( psz_subtitle == NULL )
356 if( p_sys->iconv_handle == (vlc_iconv_t)-1 )
358 if (EnsureUTF8( psz_subtitle ) == NULL)
360 msg_Err( p_dec, _("failed to convert subtitle encoding.\n"
361 "Try manually setting a character-encoding "
362 "before you open the file.") );
368 if( p_sys->b_autodetect_utf8 )
370 if( IsUTF8( psz_subtitle ) == NULL )
372 msg_Dbg( p_dec, "invalid UTF-8 sequence: "
373 "disabling UTF-8 subtitles autodetection" );
374 p_sys->b_autodetect_utf8 = VLC_FALSE;
378 if( !p_sys->b_autodetect_utf8 )
380 size_t inbytes_left = strlen( psz_subtitle );
381 size_t outbytes_left = 6 * inbytes_left;
382 char *psz_new_subtitle = malloc( outbytes_left + 1 );
383 char *psz_convert_buffer_out = psz_new_subtitle;
384 const char *psz_convert_buffer_in = psz_subtitle;
386 size_t ret = vlc_iconv( p_sys->iconv_handle,
387 &psz_convert_buffer_in, &inbytes_left,
388 &psz_convert_buffer_out, &outbytes_left );
390 *psz_convert_buffer_out++ = '\0';
391 free( psz_subtitle );
393 if( ( ret == (size_t)(-1) ) || inbytes_left )
395 free( psz_new_subtitle );
396 msg_Err( p_dec, _("failed to convert subtitle encoding.\n"
397 "Try manually setting a character-encoding "
398 "before you open the file.") );
402 psz_subtitle = realloc( psz_new_subtitle,
403 psz_convert_buffer_out - psz_new_subtitle );
407 /* Create the subpicture unit */
408 p_spu = p_dec->pf_spu_buffer_new( p_dec );
411 msg_Warn( p_dec, "can't get spu buffer" );
412 if( psz_subtitle ) free( psz_subtitle );
416 p_spu->b_pausable = VLC_TRUE;
418 /* Create a new subpicture region */
419 memset( &fmt, 0, sizeof(video_format_t) );
420 fmt.i_chroma = VLC_FOURCC('T','E','X','T');
422 fmt.i_width = fmt.i_height = 0;
423 fmt.i_x_offset = fmt.i_y_offset = 0;
424 p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
425 if( !p_spu->p_region )
427 msg_Err( p_dec, "cannot allocate SPU region" );
428 if( psz_subtitle ) free( psz_subtitle );
429 p_dec->pf_spu_buffer_del( p_dec, p_spu );
433 /* Decode and format the subpicture unit */
434 if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
436 /* Normal text subs, easy markup */
437 p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
438 p_spu->i_x = p_sys->i_align ? 20 : 0;
441 /* Remove formatting from string */
442 StripTags( psz_subtitle );
444 p_spu->p_region->psz_text = psz_subtitle;
445 p_spu->i_start = p_block->i_pts;
446 p_spu->i_stop = p_block->i_pts + p_block->i_length;
447 p_spu->b_ephemer = (p_block->i_length == 0);
448 p_spu->b_absolute = VLC_FALSE;
452 /* Decode SSA strings */
453 ParseSSAString( p_dec, psz_subtitle, p_spu );
454 p_spu->i_start = p_block->i_pts;
455 p_spu->i_stop = p_block->i_pts + p_block->i_length;
456 p_spu->b_ephemer = (p_block->i_length == 0);
457 p_spu->b_absolute = VLC_FALSE;
458 p_spu->i_original_picture_width = p_sys->i_original_width;
459 p_spu->i_original_picture_height = p_sys->i_original_height;
460 if( psz_subtitle ) free( psz_subtitle );
465 static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *p_spu_in )
467 /* We expect MKV formatted SSA:
468 * ReadOrder, Layer, Style, CharacterName, MarginL, MarginR,
469 * MarginV, Effect, Text */
470 decoder_sys_t *p_sys = p_dec->p_sys;
471 subpicture_t *p_spu = p_spu_in;
472 ssa_style_t *p_style = NULL;
473 char *psz_new_subtitle = NULL;
474 char *psz_buffer_sub = NULL;
475 char *psz_style = NULL;
476 char *psz_style_start = NULL;
477 char *psz_style_end = NULL;
478 int i_text = 0, i_comma = 0, i_strlen = 0, i;
479 int i_margin_l = 0, i_margin_r = 0, i_margin_v = 0;
481 psz_buffer_sub = psz_subtitle;
484 while( i_comma < 8 && *psz_buffer_sub != '\0' )
486 if( *psz_buffer_sub == ',' )
489 if( i_comma == 2 ) psz_style_start = &psz_buffer_sub[1];
490 if( i_comma == 3 ) psz_style_end = &psz_buffer_sub[0];
491 if( i_comma == 4 ) i_margin_l = (int)strtol( psz_buffer_sub+1, NULL, 10 );
492 if( i_comma == 5 ) i_margin_r = (int)strtol( psz_buffer_sub+1, NULL, 10 );
493 if( i_comma == 6 ) i_margin_v = (int)strtol( psz_buffer_sub+1, NULL, 10 );
498 if( *psz_buffer_sub == '\0' && i_comma == 8 )
500 msg_Dbg( p_dec, "couldn't find all fields in this SSA line" );
504 psz_new_subtitle = malloc( strlen( psz_buffer_sub ) + 1);
506 while( psz_buffer_sub[0] != '\0' )
508 if( psz_buffer_sub[0] == '\\' && psz_buffer_sub[1] == 'n' )
510 psz_new_subtitle[i_text] = ' ';
514 else if( psz_buffer_sub[0] == '\\' && psz_buffer_sub[1] == 'N' )
516 psz_new_subtitle[i_text] = '\n';
520 else if( psz_buffer_sub[0] == '{' &&
521 psz_buffer_sub[1] == '\\' )
523 /* SSA control code */
524 while( psz_buffer_sub[0] != '\0' &&
525 psz_buffer_sub[0] != '}' )
533 psz_new_subtitle[i_text] = psz_buffer_sub[0];
538 psz_new_subtitle[i_text] = '\0';
540 i_strlen = __MAX( psz_style_end - psz_style_start, 0);
541 psz_style = (char *)malloc( i_strlen + 1);
542 psz_style = memcpy( psz_style, psz_style_start, i_strlen );
543 psz_style[i_strlen] = '\0';
545 for( i = 0; i < p_sys->i_ssa_styles; i++ )
547 if( !strcmp( p_sys->pp_ssa_styles[i]->psz_stylename, psz_style ) )
548 p_style = p_sys->pp_ssa_styles[i];
550 if( psz_style ) free( psz_style );
552 p_spu->p_region->psz_text = psz_new_subtitle;
553 if( p_style == NULL )
555 p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
556 p_spu->i_x = p_sys->i_align ? 20 : 0;
561 msg_Dbg( p_dec, "style is: %s", p_style->psz_stylename);
562 p_spu->p_region->p_style = &p_style->font_style;
563 p_spu->i_flags = p_style->i_align;
564 if( p_style->i_align & SUBPICTURE_ALIGN_LEFT )
566 p_spu->i_x = (i_margin_l) ? i_margin_l : p_style->i_margin_h;
568 else if( p_style->i_align & SUBPICTURE_ALIGN_RIGHT )
570 p_spu->i_x = (i_margin_r) ? i_margin_r : p_style->i_margin_h;
572 p_spu->i_y = (i_margin_v) ? i_margin_v : p_style->i_margin_v;
576 static char* GotoNextLine( char *psz_text )
578 char *p_newline = psz_text;
580 while( p_newline[0] != '\0' )
582 if( p_newline[0] == '\n' || p_newline[0] == '\r' )
585 while( p_newline[0] == '\n' || p_newline[0] == '\r' )
594 /*****************************************************************************
595 * ParseColor: SSA stores color in BBGGRR, in ASS it uses AABBGGRR
596 * The string value in the string can be a pure integer, or hexadecimal &HBBGGRR
597 *****************************************************************************/
598 static void ParseColor( decoder_t *p_dec, char *psz_color, int *pi_color, int *pi_alpha )
601 if( !strncasecmp( psz_color, "&H", 2 ) )
603 /* textual HEX representation */
604 i_color = (int) strtol( psz_color+2, NULL, 16 );
606 else i_color = (int) strtol( psz_color, NULL, 0 );
609 *pi_color |= ( ( i_color & 0x000000FF ) << 16 ); /* Red */
610 *pi_color |= ( ( i_color & 0x0000FF00 ) ); /* Green */
611 *pi_color |= ( ( i_color & 0x00FF0000 ) >> 16 ); /* Blue */
613 if( pi_alpha != NULL )
614 *pi_alpha = ( i_color & 0xFF000000 ) >> 24;
617 /*****************************************************************************
618 * ParseSSAHeader: Retrieve global formatting information etc
619 *****************************************************************************/
620 static void ParseSSAHeader( decoder_t *p_dec )
622 decoder_sys_t *p_sys = p_dec->p_sys;
623 char *psz_parser = NULL;
624 char *psz_header = malloc( p_dec->fmt_in.i_extra+1 );
625 int i_section_type = 1;
627 memcpy( psz_header, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
628 psz_header[ p_dec->fmt_in.i_extra] = '\0';
630 /* Handle [Script Info] section */
631 psz_parser = strcasestr( psz_header, "[Script Info]" );
632 if( psz_parser == NULL ) goto eof;
634 psz_parser = GotoNextLine( psz_parser );
636 while( psz_parser[0] != '\0' )
639 char buffer_text[MAX_LINE + 1];
641 if( psz_parser[0] == '!' || psz_parser[0] == ';' ) /* comment */;
642 else if( sscanf( psz_parser, "PlayResX: %d", &temp ) == 1 )
643 p_sys->i_original_width = ( temp > 0 ) ? temp : -1;
644 else if( sscanf( psz_parser, "PlayResY: %d", &temp ) == 1 )
645 p_sys->i_original_height = ( temp > 0 ) ? temp : -1;
646 else if( sscanf( psz_parser, "Script Type: %8192s", buffer_text ) == 1 )
648 if( !strcasecmp( buffer_text, "V4.00+" ) ) p_sys->b_ass = VLC_TRUE;
650 else if( !strncasecmp( psz_parser, "[V4 Styles]", 11 ) )
652 else if( !strncasecmp( psz_parser, "[V4+ Styles]", 12) )
655 p_sys->b_ass = VLC_TRUE;
657 else if( !strncasecmp( psz_parser, "[Events]", 8 ) )
659 else if( !strncasecmp( psz_parser, "Style:", 6 ) )
661 int i_font_size, i_bold, i_italic, i_border, i_outline, i_shadow, i_underline,
662 i_strikeout, i_scale_x, i_scale_y, i_spacing, i_align, i_margin_l, i_margin_r, i_margin_v;
664 char psz_temp_stylename[MAX_LINE+1];
665 char psz_temp_fontname[MAX_LINE+1];
666 char psz_temp_color1[MAX_LINE+1];
667 char psz_temp_color2[MAX_LINE+1];
668 char psz_temp_color3[MAX_LINE+1];
669 char psz_temp_color4[MAX_LINE+1];
671 if( i_section_type == 1 ) /* V4 */
673 if( sscanf( psz_parser, "Style: %8192[^,],%8192[^,],%d,%8192[^,],%8192[^,],%8192[^,],%8192[^,],%d,%d,%d,%d,%d,%d,%d,%d,%d%*[^\r\n]",
674 psz_temp_stylename, psz_temp_fontname, &i_font_size,
675 psz_temp_color1, psz_temp_color2, psz_temp_color3, psz_temp_color4, &i_bold, &i_italic,
676 &i_border, &i_outline, &i_shadow, &i_align, &i_margin_l, &i_margin_r, &i_margin_v ) == 16 )
678 ssa_style_t *p_style = malloc( sizeof(ssa_style_t) );
680 p_style->psz_stylename = strdup( psz_temp_stylename );
681 p_style->font_style.psz_fontname = strdup( psz_temp_fontname );
682 p_style->font_style.i_font_size = i_font_size;
684 ParseColor( p_dec, psz_temp_color1, &p_style->font_style.i_font_color, NULL );
685 ParseColor( p_dec, psz_temp_color4, &p_style->font_style.i_shadow_color, NULL );
686 p_style->font_style.i_outline_color = p_style->font_style.i_shadow_color;
687 p_style->font_style.i_font_alpha = p_style->font_style.i_outline_alpha = p_style->font_style.i_shadow_alpha = 0x00;
688 p_style->font_style.i_style_flags = 0;
689 if( i_bold ) p_style->font_style.i_style_flags |= STYLE_BOLD;
690 if( i_italic ) p_style->font_style.i_style_flags |= STYLE_ITALIC;
692 if( i_border == 1 ) p_style->font_style.i_style_flags |= (STYLE_ITALIC | STYLE_OUTLINE);
693 else if( i_border == 3 )
695 p_style->font_style.i_style_flags |= STYLE_BACKGROUND;
696 p_style->font_style.i_background_color = p_style->font_style.i_shadow_color;
697 p_style->font_style.i_background_alpha = p_style->font_style.i_shadow_alpha;
699 p_style->font_style.i_shadow_width = i_shadow;
700 p_style->font_style.i_outline_width = i_outline;
702 p_style->i_align = 0;
703 if( i_align == 1 || i_align == 5 || i_align == 9 ) p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
704 if( i_align == 3 || i_align == 7 || i_align == 11 ) p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
705 if( i_align < 4 ) p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
706 else if( i_align < 8 ) p_style->i_align |= SUBPICTURE_ALIGN_TOP;
708 p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
709 p_style->i_margin_v = i_margin_v;
711 TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
713 else msg_Warn( p_dec, "SSA v4 styleline parsing failed" );
715 else if( i_section_type == 2 ) /* V4+ */
717 /* Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour,
718 Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline,
719 Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
721 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]",
722 psz_temp_stylename, psz_temp_fontname, &i_font_size,
723 psz_temp_color1, psz_temp_color2, psz_temp_color3, psz_temp_color4, &i_bold, &i_italic,
724 &i_underline, &i_strikeout, &i_scale_x, &i_scale_y, &i_spacing, &i_border, &i_outline,
725 &i_shadow, &i_align, &i_margin_l, &i_margin_r, &i_margin_v ) == 21 )
727 ssa_style_t *p_style = malloc( sizeof(ssa_style_t) );
729 p_style->psz_stylename = strdup( psz_temp_stylename );
730 p_style->font_style.psz_fontname = strdup( psz_temp_fontname );
731 p_style->font_style.i_font_size = i_font_size;
732 msg_Dbg( p_dec, psz_temp_color1 );
733 ParseColor( p_dec, psz_temp_color1, &p_style->font_style.i_font_color, &p_style->font_style.i_font_alpha );
734 ParseColor( p_dec, psz_temp_color3, &p_style->font_style.i_outline_color, &p_style->font_style.i_outline_alpha );
735 ParseColor( p_dec, psz_temp_color4, &p_style->font_style.i_shadow_color, &p_style->font_style.i_shadow_alpha );
737 p_style->font_style.i_style_flags = 0;
738 if( i_bold ) p_style->font_style.i_style_flags |= STYLE_BOLD;
739 if( i_italic ) p_style->font_style.i_style_flags |= STYLE_ITALIC;
740 if( i_underline ) p_style->font_style.i_style_flags |= STYLE_UNDERLINE;
741 if( i_strikeout ) p_style->font_style.i_style_flags |= STYLE_STRIKEOUT;
742 if( i_border == 1 ) p_style->font_style.i_style_flags |= (STYLE_ITALIC | STYLE_OUTLINE);
743 else if( i_border == 3 )
745 p_style->font_style.i_style_flags |= STYLE_BACKGROUND;
746 p_style->font_style.i_background_color = p_style->font_style.i_shadow_color;
747 p_style->font_style.i_background_alpha = p_style->font_style.i_shadow_alpha;
749 p_style->font_style.i_shadow_width = ( i_border == 1 ) ? i_shadow : 0;
750 p_style->font_style.i_outline_width = ( i_border == 1 ) ? i_outline : 0;
751 p_style->font_style.i_spacing = i_spacing;
752 //p_style->font_style.f_angle = f_angle;
754 p_style->i_align = 0;
755 if( i_align == 0x1 || i_align == 0x4 || i_align == 0x1 ) p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
756 if( i_align == 0x3 || i_align == 0x6 || i_align == 0x9 ) p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
757 if( i_align == 0x7 || i_align == 0x8 || i_align == 0x9 ) p_style->i_align |= SUBPICTURE_ALIGN_TOP;
758 if( i_align == 0x1 || i_align == 0x2 || i_align == 0x3 ) p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
759 p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
760 p_style->i_margin_v = i_margin_v;
762 /*TODO: Ignored: angle i_scale_x|y (fontscaling), i_encoding */
763 TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
765 else msg_Dbg( p_dec, "SSA V4+ styleline parsing failed" );
768 psz_parser = GotoNextLine( psz_parser );
772 if( psz_header ) free( psz_header );
776 static void StripTags( char *psz_text )
778 int i_left_moves = 0;
779 vlc_bool_t b_inside_tag = VLC_FALSE;
781 int i_tag_start = -1;
782 while( psz_text[ i ] )
786 if( psz_text[ i ] == '<' )
788 b_inside_tag = VLC_TRUE;
791 psz_text[ i - i_left_moves ] = psz_text[ i ];
795 if( ( psz_text[ i ] == ' ' ) ||
796 ( psz_text[ i ] == '\t' ) ||
797 ( psz_text[ i ] == '\n' ) ||
798 ( psz_text[ i ] == '\r' ) )
800 b_inside_tag = VLC_FALSE;
803 else if( psz_text[ i ] == '>' )
805 i_left_moves += i - i_tag_start + 1;
807 b_inside_tag = VLC_FALSE;
811 psz_text[ i - i_left_moves ] = psz_text[ i ];
816 psz_text[ i - i_left_moves ] = '\0';