1 /*****************************************************************************
2 * subsdec.c : text subtitles decoder
3 *****************************************************************************
4 * Copyright (C) 2000-2001 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/decoder.h>
34 #include "vlc_filter.h"
39 char * psz_stylename; /* The name of the style, no comma's allowed */
40 text_style_t font_style;
46 /*****************************************************************************
47 * decoder_sys_t : decoder descriptor
48 *****************************************************************************/
51 vlc_bool_t b_ass; /* The subs are ASS */
52 int i_original_height;
54 int i_align; /* Subtitles alignment on the vout */
55 vlc_iconv_t iconv_handle; /* handle to iconv instance */
57 ssa_style_t **pp_ssa_styles;
61 /*****************************************************************************
63 *****************************************************************************/
64 static int OpenDecoder ( vlc_object_t * );
65 static void CloseDecoder ( vlc_object_t * );
67 static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
68 static subpicture_t *ParseText ( decoder_t *, block_t * );
69 static void ParseSSAHeader ( decoder_t * );
70 static void ParseSSAString ( decoder_t *, char *, subpicture_t * );
71 static void ParseColor ( decoder_t *, char *, int *, int * );
72 static void StripTags ( char * );
74 #define DEFAULT_NAME "Default"
77 /*****************************************************************************
79 *****************************************************************************/
80 static char *ppsz_encodings[] = { DEFAULT_NAME, "ASCII", "UTF-8", "",
81 "ISO-8859-1", "CP1252", "MacRoman", "MacIceland","ISO-8859-15", "",
82 "ISO-8859-2", "CP1250", "MacCentralEurope", "MacCroatian", "MacRomania", "",
83 "ISO-8859-5", "CP1251", "MacCyrillic", "MacUkraine", "KOI8-R", "KOI8-U", "KOI8-RU", "",
84 "ISO-8859-6", "CP1256", "MacArabic", "",
85 "ISO-8859-7", "CP1253", "MacGreek", "",
86 "ISO-8859-8", "CP1255", "MacHebrew", "",
87 "ISO-8859-9", "CP1254", "MacTurkish", "",
88 "ISO-8859-13", "CP1257", "",
89 "ISO-2022-JP", "ISO-2022-JP-1", "ISO-2022-JP-2", "EUC-JP", "SHIFT_JIS", "",
90 "ISO-2022-CN", "ISO-2022-CN-EXT", "EUC-CN", "EUC-TW", "BIG5", "BIG5-HKSCS", "",
91 "ISO-2022-KR", "EUC-KR", "",
92 "MacThai", "KOI8-T", "",
93 "ISO-8859-3", "ISO-8859-4", "ISO-8859-10", "ISO-8859-14", "ISO-8859-16", "",
94 "CP850", "CP862", "CP866", "CP874", "CP932", "CP949", "CP950", "CP1133", "CP1258", "",
96 "UTF-7", "UTF-16", "UTF-16BE", "UTF-16LE", "UTF-32", "UTF-32BE", "UTF-32LE",
97 "C99", "JAVA", "UCS-2", "UCS-2BE", "UCS-2LE", "UCS-4", "UCS-4BE", "UCS-4LE", "",
98 "HZ", "GBK", "GB18030", "JOHAB", "ARMSCII-8",
99 "Georgian-Academy", "Georgian-PS", "TIS-620", "MuleLao-1", "VISCII", "TCVN",
100 "HPROMAN8", "NEXTSTEP" };
102 static int pi_justification[] = { 0, 1, 2 };
103 static char *ppsz_justification_text[] = {N_("Center"),N_("Left"),N_("Right")};
105 #define ENCODING_TEXT N_("Subtitles text encoding")
106 #define ENCODING_LONGTEXT N_("Set the encoding used in text subtitles")
107 #define ALIGN_TEXT N_("Subtitles justification")
108 #define ALIGN_LONGTEXT N_("Set the justification of subtitles")
109 #define FORMAT_TEXT N_("Formatted Subtitles")
110 #define FORMAT_LONGTEXT N_("Some subtitle formats allow for text formatting.\
111 VLC partly implements this, but you can choose to disable all formatting.")
115 set_shortname( _("Subtitles"));
116 set_description( _("Text subtitles decoder") );
117 set_capability( "decoder", 50 );
118 set_callbacks( OpenDecoder, CloseDecoder );
119 set_category( CAT_INPUT );
120 set_subcategory( SUBCAT_INPUT_SCODEC );
122 add_integer( "subsdec-align", 0, NULL, ALIGN_TEXT, ALIGN_LONGTEXT,
124 change_integer_list( pi_justification, ppsz_justification_text, 0 );
125 add_string( "subsdec-encoding", DEFAULT_NAME, NULL,
126 ENCODING_TEXT, ENCODING_LONGTEXT, VLC_FALSE );
127 change_string_list( ppsz_encodings, 0, 0 );
128 add_bool( "subsdec-formatted", VLC_TRUE, NULL, FORMAT_TEXT, FORMAT_LONGTEXT,
132 /*****************************************************************************
133 * OpenDecoder: probe the decoder and return score
134 *****************************************************************************
135 * Tries to launch a decoder and return score so that the interface is able
137 *****************************************************************************/
138 static int OpenDecoder( vlc_object_t *p_this )
140 decoder_t *p_dec = (decoder_t*)p_this;
141 decoder_sys_t *p_sys;
144 if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','u','b','t') &&
145 p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
150 p_dec->pf_decode_sub = DecodeBlock;
152 /* Allocate the memory needed to store the decoder's structure */
153 if( ( p_dec->p_sys = p_sys =
154 (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
156 msg_Err( p_dec, "out of memory" );
162 p_sys->iconv_handle = (vlc_iconv_t)-1;
163 p_sys->b_ass = VLC_FALSE;
164 p_sys->i_original_height = -1;
165 p_sys->i_original_width = -1;
166 p_sys->pp_ssa_styles = NULL;
167 p_sys->i_ssa_styles = 0;
169 if( p_dec->fmt_in.subs.psz_encoding && *p_dec->fmt_in.subs.psz_encoding )
171 msg_Dbg( p_dec, "using character encoding: %s",
172 p_dec->fmt_in.subs.psz_encoding );
173 if( strcmp( p_dec->fmt_in.subs.psz_encoding, "UTF-8" ) )
174 p_sys->iconv_handle = vlc_iconv_open( "UTF-8", p_dec->fmt_in.subs.psz_encoding );
178 var_Create( p_dec, "subsdec-encoding",
179 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
180 var_Get( p_dec, "subsdec-encoding", &val );
181 if( !strcmp( val.psz_string, DEFAULT_NAME ) )
185 if( vlc_current_charset( &psz_charset ) )
188 * Most subtitles are not in UTF-8.
189 * FIXME: This is western-centric. We should use a fallback
190 * charset depending on the locale language instead.
192 if( psz_charset != NULL)
194 psz_charset = strdup( "CP1252" );
197 if( psz_charset == NULL )
203 p_sys->iconv_handle = vlc_iconv_open( "UTF-8", psz_charset );
204 msg_Dbg( p_dec, "using default character encoding: %s", psz_charset );
207 else if( !strcmp( val.psz_string, "UTF-8" ) )
209 msg_Dbg( p_dec, "using character encoding: UTF-8" );
211 else if( val.psz_string )
213 msg_Dbg( p_dec, "using character encoding: %s", val.psz_string );
214 p_sys->iconv_handle = vlc_iconv_open( "UTF-8", val.psz_string );
215 if( p_sys->iconv_handle == (vlc_iconv_t)-1 )
217 msg_Warn( p_dec, "unable to do requested conversion" );
220 if( val.psz_string ) free( val.psz_string );
223 var_Create( p_dec, "subsdec-align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
224 var_Get( p_dec, "subsdec-align", &val );
225 p_sys->i_align = val.i_int;
227 if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','s','a',' ') && var_CreateGetBool( p_dec, "subsdec-formatted" ) )
229 if( p_dec->fmt_in.i_extra > 0 )
230 ParseSSAHeader( p_dec );
236 /****************************************************************************
237 * DecodeBlock: the whole thing
238 ****************************************************************************
239 * This function must be fed with complete subtitles units.
240 ****************************************************************************/
241 static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
243 subpicture_t *p_spu = NULL;
245 if( !pp_block || *pp_block == NULL ) return NULL;
247 p_spu = ParseText( p_dec, *pp_block );
249 block_Release( *pp_block );
255 /*****************************************************************************
256 * CloseDecoder: clean up the decoder
257 *****************************************************************************/
258 static void CloseDecoder( vlc_object_t *p_this )
260 decoder_t *p_dec = (decoder_t *)p_this;
261 decoder_sys_t *p_sys = p_dec->p_sys;
263 if( p_sys->iconv_handle != (vlc_iconv_t)-1 )
265 vlc_iconv_close( p_sys->iconv_handle );
268 if( p_sys->pp_ssa_styles )
271 for( i = 0; i < p_sys->i_ssa_styles; i++ )
273 if( p_sys->pp_ssa_styles[i]->psz_stylename ) free( p_sys->pp_ssa_styles[i]->psz_stylename );
274 p_sys->pp_ssa_styles[i]->psz_stylename = NULL;
275 if( p_sys->pp_ssa_styles[i]->font_style.psz_fontname ) free( p_sys->pp_ssa_styles[i]->font_style.psz_fontname );
276 p_sys->pp_ssa_styles[i]->font_style.psz_fontname = NULL;
277 if( p_sys->pp_ssa_styles[i] ) free( p_sys->pp_ssa_styles[i] ); p_sys->pp_ssa_styles[i] = NULL;
279 free( p_sys->pp_ssa_styles ); p_sys->pp_ssa_styles = NULL;
285 /*****************************************************************************
286 * ParseText: parse an text subtitle packet and send it to the video output
287 *****************************************************************************/
288 static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
290 decoder_sys_t *p_sys = p_dec->p_sys;
291 subpicture_t *p_spu = NULL;
292 char *psz_subtitle = NULL;
295 /* We cannot display a subpicture with no date */
296 if( p_block->i_pts == 0 )
298 msg_Warn( p_dec, "subtitle without a date" );
302 /* Check validity of packet data */
303 if( p_block->i_buffer <= 1 || p_block->p_buffer[0] == '\0' )
305 msg_Warn( p_dec, "empty subtitle" );
309 /* Should be resiliant against bad subtitles */
310 psz_subtitle = strndup( (const char *)p_block->p_buffer,
313 if( p_sys->iconv_handle != (vlc_iconv_t)-1 )
315 char *psz_new_subtitle;
316 char *psz_convert_buffer_out;
317 char *psz_convert_buffer_in;
318 size_t ret, inbytes_left, outbytes_left;
320 psz_new_subtitle = malloc( 6 * strlen( psz_subtitle ) );
321 psz_convert_buffer_out = psz_new_subtitle;
322 psz_convert_buffer_in = psz_subtitle;
323 inbytes_left = strlen( psz_subtitle );
324 outbytes_left = 6 * inbytes_left;
325 ret = vlc_iconv( p_sys->iconv_handle, &psz_convert_buffer_in,
326 &inbytes_left, &psz_convert_buffer_out,
328 *psz_convert_buffer_out = '\0';
330 if( psz_subtitle ) free( psz_subtitle );
335 msg_Err( p_dec, _("Failed to convert subtitle encoding.\n"
336 "Try manually setting a character-encoding "
337 "before you open the file.") );
340 psz_subtitle = psz_new_subtitle;
343 /* Create the subpicture unit */
344 p_spu = p_dec->pf_spu_buffer_new( p_dec );
347 msg_Warn( p_dec, "can't get spu buffer" );
348 if( psz_subtitle ) free( psz_subtitle );
352 /* Create a new subpicture region */
353 memset( &fmt, 0, sizeof(video_format_t) );
354 fmt.i_chroma = VLC_FOURCC('T','E','X','T');
356 fmt.i_width = fmt.i_height = 0;
357 fmt.i_x_offset = fmt.i_y_offset = 0;
358 p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
359 if( !p_spu->p_region )
361 msg_Err( p_dec, "cannot allocate SPU region" );
362 if( psz_subtitle ) free( psz_subtitle );
363 p_dec->pf_spu_buffer_del( p_dec, p_spu );
367 /* Decode and format the subpicture unit */
368 if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
370 /* Normal text subs, easy markup */
371 p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
372 p_spu->i_x = p_sys->i_align ? 20 : 0;
375 /* Remove formatting from string */
376 StripTags( psz_subtitle );
378 p_spu->p_region->psz_text = psz_subtitle;
379 p_spu->i_start = p_block->i_pts;
380 p_spu->i_stop = p_block->i_pts + p_block->i_length;
381 p_spu->b_ephemer = (p_block->i_length == 0);
382 p_spu->b_absolute = VLC_FALSE;
386 /* Decode SSA strings */
387 ParseSSAString( p_dec, psz_subtitle, p_spu );
388 p_spu->i_start = p_block->i_pts;
389 p_spu->i_stop = p_block->i_pts + p_block->i_length;
390 p_spu->b_ephemer = (p_block->i_length == 0);
391 p_spu->b_absolute = VLC_FALSE;
392 p_spu->i_original_picture_width = p_sys->i_original_width;
393 p_spu->i_original_picture_height = p_sys->i_original_height;
394 if( psz_subtitle ) free( psz_subtitle );
399 static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *p_spu_in )
401 /* We expect MKV formatted SSA:
402 * ReadOrder, Layer, Style, CharacterName, MarginL, MarginR,
403 * MarginV, Effect, Text */
404 decoder_sys_t *p_sys = p_dec->p_sys;
405 subpicture_t *p_spu = p_spu_in;
406 ssa_style_t *p_style = NULL;
407 char *psz_new_subtitle = NULL;
408 char *psz_buffer_sub = NULL;
409 char *psz_style = NULL;
410 char *psz_style_start = NULL;
411 char *psz_style_end = NULL;
412 int i_text = 0, i_comma = 0, i_strlen = 0, i;
413 int i_margin_l = 0, i_margin_r = 0, i_margin_v = 0;
415 psz_buffer_sub = psz_subtitle;
418 while( i_comma < 8 && *psz_buffer_sub != '\0' )
420 if( *psz_buffer_sub == ',' )
423 if( i_comma == 2 ) psz_style_start = &psz_buffer_sub[1];
424 if( i_comma == 3 ) psz_style_end = &psz_buffer_sub[0];
425 if( i_comma == 4 ) i_margin_l = (int)strtol( psz_buffer_sub+1, NULL, 10 );
426 if( i_comma == 5 ) i_margin_r = (int)strtol( psz_buffer_sub+1, NULL, 10 );
427 if( i_comma == 6 ) i_margin_v = (int)strtol( psz_buffer_sub+1, NULL, 10 );
432 if( *psz_buffer_sub == '\0' && i_comma == 8 )
434 msg_Dbg( p_dec, "couldn't find all fields in this SSA line" );
438 psz_new_subtitle = malloc( strlen( psz_buffer_sub ) + 1);
440 while( psz_buffer_sub[0] != '\0' )
442 if( psz_buffer_sub[0] == '\\' && psz_buffer_sub[1] == 'n' )
444 psz_new_subtitle[i_text] = ' ';
448 else if( psz_buffer_sub[0] == '\\' && psz_buffer_sub[1] == 'N' )
450 psz_new_subtitle[i_text] = '\n';
454 else if( psz_buffer_sub[0] == '{' &&
455 psz_buffer_sub[1] == '\\' )
457 /* SSA control code */
458 while( psz_buffer_sub[0] != '\0' &&
459 psz_buffer_sub[0] != '}' )
467 psz_new_subtitle[i_text] = psz_buffer_sub[0];
472 psz_new_subtitle[i_text] = '\0';
474 i_strlen = __MAX( psz_style_end - psz_style_start, 0);
475 psz_style = (char *)malloc( i_strlen + 1);
476 psz_style = memcpy( psz_style, psz_style_start, i_strlen );
477 psz_style[i_strlen] = '\0';
479 for( i = 0; i < p_sys->i_ssa_styles; i++ )
481 if( !strcmp( p_sys->pp_ssa_styles[i]->psz_stylename, psz_style ) )
482 p_style = p_sys->pp_ssa_styles[i];
484 if( psz_style ) free( psz_style );
486 p_spu->p_region->psz_text = psz_new_subtitle;
487 if( p_style == NULL )
489 p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
490 p_spu->i_x = p_sys->i_align ? 20 : 0;
495 msg_Dbg( p_dec, "style is: %s", p_style->psz_stylename);
496 p_spu->p_region->p_style = &p_style->font_style;
497 p_spu->i_flags = p_style->i_align;
498 if( p_style->i_align & SUBPICTURE_ALIGN_LEFT )
500 p_spu->i_x = (i_margin_l) ? i_margin_l : p_style->i_margin_h;
502 else if( p_style->i_align & SUBPICTURE_ALIGN_RIGHT )
504 p_spu->i_x = (i_margin_r) ? i_margin_r : p_style->i_margin_h;
506 p_spu->i_y = (i_margin_v) ? i_margin_v : p_style->i_margin_v;
510 static char* GotoNextLine( char *psz_text )
512 char *p_newline = psz_text;
514 while( p_newline[0] != '\0' )
516 if( p_newline[0] == '\n' || p_newline[0] == '\r' )
519 while( p_newline[0] == '\n' || p_newline[0] == '\r' )
528 /*****************************************************************************
529 * ParseColor: SSA stores color in BBGGRR, in ASS it uses AABBGGRR
530 * The string value in the string can be a pure integer, or hexadecimal &HBBGGRR
531 *****************************************************************************/
532 static void ParseColor( decoder_t *p_dec, char *psz_color, int *pi_color, int *pi_alpha )
535 if( !strncasecmp( psz_color, "&H", 2 ) )
537 /* textual HEX representation */
538 i_color = (int) strtol( psz_color+2, NULL, 16 );
540 else i_color = (int) strtol( psz_color, NULL, 0 );
543 *pi_color |= ( ( i_color & 0x000000FF ) << 16 ); /* Red */
544 *pi_color |= ( ( i_color & 0x0000FF00 ) ); /* Green */
545 *pi_color |= ( ( i_color & 0x00FF0000 ) >> 16 ); /* Blue */
547 if( pi_alpha != NULL )
548 *pi_alpha = ( i_color & 0xFF000000 ) >> 24;
551 /*****************************************************************************
552 * ParseSSAHeader: Retrieve global formatting information etc
553 *****************************************************************************/
554 static void ParseSSAHeader( decoder_t *p_dec )
556 decoder_sys_t *p_sys = p_dec->p_sys;
557 char *psz_parser = NULL;
558 char *psz_header = malloc( p_dec->fmt_in.i_extra+1 );
559 int i_section_type = 1;
561 memcpy( psz_header, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
562 psz_header[ p_dec->fmt_in.i_extra] = '\0';
564 /* Handle [Script Info] section */
565 psz_parser = strcasestr( psz_header, "[Script Info]" );
566 if( psz_parser == NULL ) goto eof;
568 psz_parser = GotoNextLine( psz_parser );
570 while( psz_parser[0] != '\0' )
573 char buffer_text[MAX_LINE + 1];
575 if( psz_parser[0] == '!' || psz_parser[0] == ';' ) /* comment */;
576 else if( sscanf( psz_parser, "PlayResX: %d", &temp ) == 1 )
577 p_sys->i_original_width = ( temp > 0 ) ? temp : -1;
578 else if( sscanf( psz_parser, "PlayResY: %d", &temp ) == 1 )
579 p_sys->i_original_height = ( temp > 0 ) ? temp : -1;
580 else if( sscanf( psz_parser, "Script Type: %8192s", buffer_text ) == 1 )
582 if( !strcasecmp( buffer_text, "V4.00+" ) ) p_sys->b_ass = VLC_TRUE;
584 else if( !strncasecmp( psz_parser, "[V4 Styles]", 11 ) )
586 else if( !strncasecmp( psz_parser, "[V4+ Styles]", 12) )
589 p_sys->b_ass = VLC_TRUE;
591 else if( !strncasecmp( psz_parser, "[Events]", 8 ) )
593 else if( !strncasecmp( psz_parser, "Style:", 6 ) )
595 int i_font_size, i_bold, i_italic, i_border, i_outline, i_shadow, i_underline,
596 i_strikeout, i_scale_x, i_scale_y, i_spacing, i_align, i_margin_l, i_margin_r, i_margin_v;
598 char psz_temp_stylename[MAX_LINE+1];
599 char psz_temp_fontname[MAX_LINE+1];
600 char psz_temp_color1[MAX_LINE+1];
601 char psz_temp_color2[MAX_LINE+1];
602 char psz_temp_color3[MAX_LINE+1];
603 char psz_temp_color4[MAX_LINE+1];
605 if( i_section_type == 1 ) /* V4 */
607 if( sscanf( psz_parser, "Style: %8192[^,],%8192[^,],%d,%8192[^,],%8192[^,],%8192[^,],%8192[^,],%d,%d,%d,%d,%d,%d,%d,%d,%d%*[^\r\n]",
608 psz_temp_stylename, psz_temp_fontname, &i_font_size,
609 psz_temp_color1, psz_temp_color2, psz_temp_color3, psz_temp_color4, &i_bold, &i_italic,
610 &i_border, &i_outline, &i_shadow, &i_align, &i_margin_l, &i_margin_r, &i_margin_v ) == 16 )
612 ssa_style_t *p_style = malloc( sizeof(ssa_style_t) );
614 p_style->psz_stylename = strdup( psz_temp_stylename );
615 p_style->font_style.psz_fontname = strdup( psz_temp_fontname );
616 p_style->font_style.i_font_size = i_font_size;
618 ParseColor( p_dec, psz_temp_color1, &p_style->font_style.i_font_color, NULL );
619 ParseColor( p_dec, psz_temp_color4, &p_style->font_style.i_shadow_color, NULL );
620 p_style->font_style.i_outline_color = p_style->font_style.i_shadow_color;
621 p_style->font_style.i_font_alpha = p_style->font_style.i_outline_alpha = p_style->font_style.i_shadow_alpha = 0x00;
622 p_style->font_style.i_style_flags = 0;
623 if( i_bold ) p_style->font_style.i_style_flags |= STYLE_BOLD;
624 if( i_italic ) p_style->font_style.i_style_flags |= STYLE_ITALIC;
626 if( i_border == 1 ) p_style->font_style.i_style_flags |= (STYLE_ITALIC | STYLE_OUTLINE);
627 else if( i_border == 3 )
629 p_style->font_style.i_style_flags |= STYLE_BACKGROUND;
630 p_style->font_style.i_background_color = p_style->font_style.i_shadow_color;
631 p_style->font_style.i_background_alpha = p_style->font_style.i_shadow_alpha;
633 p_style->font_style.i_shadow_width = i_shadow;
634 p_style->font_style.i_outline_width = i_outline;
636 p_style->i_align = 0;
637 if( i_align == 1 || i_align == 5 || i_align == 9 ) p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
638 if( i_align == 3 || i_align == 7 || i_align == 11 ) p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
639 if( i_align < 4 ) p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
640 else if( i_align < 8 ) p_style->i_align |= SUBPICTURE_ALIGN_TOP;
642 p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
643 p_style->i_margin_v = i_margin_v;
645 TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
647 else msg_Warn( p_dec, "SSA v4 styleline parsing failed" );
649 else if( i_section_type == 2 ) /* V4+ */
651 /* Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour,
652 Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline,
653 Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
655 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]",
656 psz_temp_stylename, psz_temp_fontname, &i_font_size,
657 psz_temp_color1, psz_temp_color2, psz_temp_color3, psz_temp_color4, &i_bold, &i_italic,
658 &i_underline, &i_strikeout, &i_scale_x, &i_scale_y, &i_spacing, &i_border, &i_outline,
659 &i_shadow, &i_align, &i_margin_l, &i_margin_r, &i_margin_v ) == 21 )
661 ssa_style_t *p_style = malloc( sizeof(ssa_style_t) );
663 p_style->psz_stylename = strdup( psz_temp_stylename );
664 p_style->font_style.psz_fontname = strdup( psz_temp_fontname );
665 p_style->font_style.i_font_size = i_font_size;
666 msg_Dbg( p_dec, psz_temp_color1 );
667 ParseColor( p_dec, psz_temp_color1, &p_style->font_style.i_font_color, &p_style->font_style.i_font_alpha );
668 ParseColor( p_dec, psz_temp_color3, &p_style->font_style.i_outline_color, &p_style->font_style.i_outline_alpha );
669 ParseColor( p_dec, psz_temp_color4, &p_style->font_style.i_shadow_color, &p_style->font_style.i_shadow_alpha );
671 p_style->font_style.i_style_flags = 0;
672 if( i_bold ) p_style->font_style.i_style_flags |= STYLE_BOLD;
673 if( i_italic ) p_style->font_style.i_style_flags |= STYLE_ITALIC;
674 if( i_underline ) p_style->font_style.i_style_flags |= STYLE_UNDERLINE;
675 if( i_strikeout ) p_style->font_style.i_style_flags |= STYLE_STRIKEOUT;
676 if( i_border == 1 ) p_style->font_style.i_style_flags |= (STYLE_ITALIC | STYLE_OUTLINE);
677 else if( i_border == 3 )
679 p_style->font_style.i_style_flags |= STYLE_BACKGROUND;
680 p_style->font_style.i_background_color = p_style->font_style.i_shadow_color;
681 p_style->font_style.i_background_alpha = p_style->font_style.i_shadow_alpha;
683 p_style->font_style.i_shadow_width = ( i_border == 1 ) ? i_shadow : 0;
684 p_style->font_style.i_outline_width = ( i_border == 1 ) ? i_outline : 0;
685 p_style->font_style.i_spacing = i_spacing;
686 //p_style->font_style.f_angle = f_angle;
688 p_style->i_align = 0;
689 if( i_align == 0x1 || i_align == 0x4 || i_align == 0x1 ) p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
690 if( i_align == 0x3 || i_align == 0x6 || i_align == 0x9 ) p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
691 if( i_align == 0x7 || i_align == 0x8 || i_align == 0x9 ) p_style->i_align |= SUBPICTURE_ALIGN_TOP;
692 if( i_align == 0x1 || i_align == 0x2 || i_align == 0x3 ) p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
693 p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
694 p_style->i_margin_v = i_margin_v;
696 /*TODO: Ignored: angle i_scale_x|y (fontscaling), i_encoding */
697 TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
699 else msg_Dbg( p_dec, "SSA V4+ styleline parsing failed" );
702 psz_parser = GotoNextLine( psz_parser );
706 if( psz_header ) free( psz_header );
710 static void StripTags( char *psz_text )
712 int i_left_moves = 0;
713 vlc_bool_t b_inside_tag = VLC_FALSE;
715 int i_tag_start = -1;
716 while( psz_text[ i ] )
720 if( psz_text[ i ] == '<' )
722 b_inside_tag = VLC_TRUE;
725 psz_text[ i - i_left_moves ] = psz_text[ i ];
729 if( ( psz_text[ i ] == ' ' ) ||
730 ( psz_text[ i ] == '\t' ) ||
731 ( psz_text[ i ] == '\n' ) ||
732 ( psz_text[ i ] == '\r' ) )
734 b_inside_tag = VLC_FALSE;
737 else if( psz_text[ i ] == '>' )
739 i_left_moves += i - i_tag_start + 1;
741 b_inside_tag = VLC_FALSE;
745 psz_text[ i - i_left_moves ] = psz_text[ i ];
750 psz_text[ i - i_left_moves ] = '\0';