Commit f24d0efb authored by Jean-Baptiste Kempf's avatar Jean-Baptiste Kempf

Subsdec: Split the decoder for subsdec / SSA / USF in three files, since the...

Subsdec: Split the decoder for subsdec / SSA / USF in three files, since the code has grown a bit too much in order to improve readability.
Some functions may still need to be renamed and moved from a file to another.
I hope it is done in the correct way, if not, tell me or revert.

parent 232de8ce
......@@ -6036,6 +6036,7 @@ AC_CONFIG_FILES([
modules/codec/cmml/Makefile
modules/codec/dmo/Makefile
modules/codec/ffmpeg/Makefile
modules/codec/subtitles/Makefile
modules/codec/spudec/Makefile
modules/codec/xvmc/Makefile
modules/control/Makefile
......
......@@ -15,7 +15,6 @@ SOURCES_mpeg_audio = mpeg_audio.c
SOURCES_libmpeg2 = libmpeg2.c
SOURCES_rawvideo = rawvideo.c
SOURCES_quicktime = quicktime.c
SOURCES_subsdec = subsdec.c
SOURCES_faad = faad.c
SOURCES_dvbsub = dvbsub.c
SOURCES_telx = telx.c
......
SOURCES_subsdec = subsass.c subsusf.c subsdec.c
/*****************************************************************************
* subsass.c : ASS/SSA subtitles decoder
*****************************************************************************
* Copyright (C) 2000-2006 the VideoLAN team
* $Id: subsdec.c 20996 2007-08-05 20:01:21Z jb $
*
* Authors: Gildas Bazin <gbazin@videolan.org>
* Samuel Hocevar <sam@zoy.org>
* Derk-Jan Hartman <hartman at videolan dot org>
* Bernie Purcell <b dot purcell at adbglobal dot com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "subsdec.h"
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;
psz_buffer_sub = psz_subtitle;
p_spu->p_region->psz_html = NULL;
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];
else if( i_comma == 3 )
psz_style_end = &psz_buffer_sub[0];
else if( i_comma == 4 )
i_margin_l = (int)strtol( &psz_buffer_sub[1], NULL, 10 );
else if( i_comma == 5 )
i_margin_r = (int)strtol( &psz_buffer_sub[1], NULL, 10 );
else 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[1] == '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 = strndup( psz_style_start, i_strlen );
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->p_region->i_align = 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->p_region->i_align = 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;
}
}
/*****************************************************************************
* 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
*****************************************************************************/
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 > 0 ) ? temp : -1;
else if( sscanf( psz_parser, "PlayResY: %d", &temp ) == 1 )
p_sys->i_original_height = ( temp > 0 ) ? temp : -1;
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;
p_style->i_margin_percent_h = 0;
p_style->i_margin_percent_v = 0;
p_style->font_style.i_karaoke_background_color = 0xffffff;
p_style->font_style.i_karaoke_background_alpha = 0xff;
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 == 0x7 )
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;
p_style->i_margin_percent_h = 0;
p_style->i_margin_percent_v = 0;
p_style->font_style.i_karaoke_background_color = 0xffffff;
p_style->font_style.i_karaoke_background_alpha = 0xff;
/*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;
}
/*****************************************************************************
* subsdec.c : text subtitles decoder
*****************************************************************************
* Copyright (C) 2000-2006 the VideoLAN team
* $Id: subsdec.c 20996 2007-08-05 20:01:21Z jb $
*
* Authors: Gildas Bazin <gbazin@videolan.org>
* Samuel Hocevar <sam@zoy.org>
* Derk-Jan Hartman <hartman at videolan dot org>
* Bernie Purcell <b dot purcell at adbglobal dot com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "subsdec.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int OpenDecoder ( vlc_object_t * );
static void CloseDecoder ( vlc_object_t * );
static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
static subpicture_t *ParseText ( decoder_t *, block_t * );
static char *StripTags ( char * );
static char *CreateHtmlSubtitle ( char * );
static int ParseImageAttachments( decoder_t *p_dec );
static int ParsePositionAttributeList( char *, int *, int *, int * );
/*****************************************************************************
* Module descriptor.
*****************************************************************************/
static const char *ppsz_encodings[] = { DEFAULT_NAME, "ASCII", "UTF-8", "",
"ISO-8859-1", "CP1252", "MacRoman", "MacIceland","ISO-8859-15", "",
"ISO-8859-2", "CP1250", "MacCentralEurope", "MacCroatian", "MacRomania", "",
"ISO-8859-5", "CP1251", "MacCyrillic", "MacUkraine", "KOI8-R", "KOI8-U", "KOI8-RU", "",
"ISO-8859-6", "CP1256", "MacArabic", "",
"ISO-8859-7", "CP1253", "MacGreek", "",
"ISO-8859-8", "CP1255", "MacHebrew", "",
"ISO-8859-9", "CP1254", "MacTurkish", "",
"ISO-8859-13", "CP1257", "",
"ISO-2022-JP", "ISO-2022-JP-1", "ISO-2022-JP-2", "EUC-JP", "SHIFT_JIS", "",
"ISO-2022-CN", "ISO-2022-CN-EXT", "EUC-CN", "EUC-TW", "BIG5", "BIG5-HKSCS", "",
"ISO-2022-KR", "EUC-KR", "",
"MacThai", "KOI8-T", "",
"ISO-8859-3", "ISO-8859-4", "ISO-8859-10", "ISO-8859-14", "ISO-8859-16", "",
"CP850", "CP862", "CP866", "CP874", "CP932", "CP949", "CP950", "CP1133", "CP1258", "",
"Macintosh", "",
"UTF-7", "UTF-16", "UTF-16BE", "UTF-16LE", "UTF-32", "UTF-32BE", "UTF-32LE",
"C99", "JAVA", "UCS-2", "UCS-2BE", "UCS-2LE", "UCS-4", "UCS-4BE", "UCS-4LE", "",
"HZ", "GBK", "GB18030", "JOHAB", "ARMSCII-8",
"Georgian-Academy", "Georgian-PS", "TIS-620", "MuleLao-1", "VISCII", "TCVN",
"HPROMAN8", "NEXTSTEP" };
/*
SSA supports charset selection.
The following known charsets are used:
0 = Ansi - Western European
1 = default
2 = symbol
3 = invalid
77 = Mac
128 = Japanese (Shift JIS)
129 = Hangul
130 = Johab
134 = GB2312 Simplified Chinese
136 = Big5 Traditional Chinese
161 = Greek
162 = Turkish
163 = Vietnamese
177 = Hebrew
178 = Arabic
186 = Baltic
204 = Russian (Cyrillic)
222 = Thai
238 = Eastern European
254 = PC 437
*/
static int pi_justification[] = { 0, 1, 2 };
static const char *ppsz_justification_text[] = {N_("Center"),N_("Left"),N_("Right")};
#define ENCODING_TEXT N_("Subtitles text encoding")
#define ENCODING_LONGTEXT N_("Set the encoding used in text subtitles")
#define ALIGN_TEXT N_("Subtitles justification")
#define ALIGN_LONGTEXT N_("Set the justification of subtitles")
#define AUTODETECT_UTF8_TEXT N_("UTF-8 subtitles autodetection")
#define AUTODETECT_UTF8_LONGTEXT N_("This enables automatic detection of " \
"UTF-8 encoding within subtitles files.")
#define FORMAT_TEXT N_("Formatted Subtitles")
#define FORMAT_LONGTEXT N_("Some subtitle formats allow for text formatting. " \
"VLC partly implements this, but you can choose to disable all formatting.")
vlc_module_begin();
set_shortname( _("Subtitles"));
set_description( _("Text subtitles decoder") );
set_capability( "decoder", 50 );
set_callbacks( OpenDecoder, CloseDecoder );
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_SCODEC );
add_integer( "subsdec-align", 0, NULL, ALIGN_TEXT, ALIGN_LONGTEXT,
VLC_FALSE );
change_integer_list( pi_justification, ppsz_justification_text, 0 );
add_string( "subsdec-encoding", DEFAULT_NAME, NULL,
ENCODING_TEXT, ENCODING_LONGTEXT, VLC_FALSE );
change_string_list( ppsz_encodings, 0, 0 );
add_bool( "subsdec-autodetect-utf8", VLC_TRUE, NULL,
AUTODETECT_UTF8_TEXT, AUTODETECT_UTF8_LONGTEXT, VLC_FALSE );
add_bool( "subsdec-formatted", VLC_TRUE, NULL, FORMAT_TEXT, FORMAT_LONGTEXT,
VLC_FALSE );
vlc_module_end();
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************
* Tries to launch a decoder and return score so that the interface is able
* to chose.
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
vlc_value_t val;
if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','u','b','t') &&
p_dec->fmt_in.i_codec != VLC_FOURCC('u','s','f',' ') &&
p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
{
return VLC_EGENERIC;
}
p_dec->pf_decode_sub = DecodeBlock;
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)calloc(1, sizeof(decoder_sys_t)) ) == NULL )
{
msg_Err( p_dec, "out of memory" );
return VLC_ENOMEM;
}
/* init of p_sys */
p_sys->i_align = 0;
p_sys->iconv_handle = (vlc_iconv_t)-1;
p_sys->b_autodetect_utf8 = VLC_FALSE;
p_sys->b_ass = VLC_FALSE;
p_sys->i_original_height = -1;
p_sys->i_original_width = -1;
TAB_INIT( p_sys->i_ssa_styles, p_sys->pp_ssa_styles );
TAB_INIT( p_sys->i_images, p_sys->pp_images );
char *psz_charset = NULL;
/* First try demux-specified encoding */
if( p_dec->fmt_in.subs.psz_encoding && *p_dec->fmt_in.subs.psz_encoding )
{
psz_charset = strdup (p_dec->fmt_in.subs.psz_encoding);
msg_Dbg (p_dec, "trying demuxer-specified character encoding: %s",
p_dec->fmt_in.subs.psz_encoding ?: "not specified");
}
/* Second, try configured encoding */
if (psz_charset == NULL)
{
psz_charset = var_CreateGetNonEmptyString (p_dec, "subsdec-encoding");
if ((psz_charset != NULL) && !strcasecmp (psz_charset, DEFAULT_NAME))
{
free (psz_charset);
psz_charset = NULL;
}
msg_Dbg (p_dec, "trying configured character encoding: %s",
psz_charset ?: "not specified");
}
/* Third, try "local" encoding with optional UTF-8 autodetection */
if (psz_charset == NULL)
{
psz_charset = strdup (GetFallbackEncoding ());
msg_Dbg (p_dec, "trying default character encoding: %s",
psz_charset ?: "not specified");
if (var_CreateGetBool (p_dec, "subsdec-autodetect-utf8"))
{
msg_Dbg (p_dec, "using automatic UTF-8 detection");
p_sys->b_autodetect_utf8 = VLC_TRUE;
}
}
if (psz_charset == NULL)
{
psz_charset = strdup ("UTF-8");
msg_Dbg (p_dec, "trying hard-coded character encoding: %s",
psz_charset ?: "error");
}
if (psz_charset == NULL)
{
free (p_sys);
return VLC_ENOMEM;
}
if (strcasecmp (psz_charset, "UTF-8") && strcasecmp (psz_charset, "utf8"))
{
p_sys->iconv_handle = vlc_iconv_open ("UTF-8", psz_charset);
if (p_sys->iconv_handle == (vlc_iconv_t)(-1))
msg_Err (p_dec, "cannot convert from %s: %s", psz_charset,
strerror (errno));
}
free (psz_charset);
var_Create( p_dec, "subsdec-align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_dec, "subsdec-align", &val );
p_sys->i_align = val.i_int;
ParseImageAttachments( p_dec );
if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','s','a',' ') && var_CreateGetBool( p_dec, "subsdec-formatted" ) )
{
if( p_dec->fmt_in.i_extra > 0 )
ParseSSAHeader( p_dec );
}
else if( p_dec->fmt_in.i_codec == VLC_FOURCC('u','s','f',' ') && var_CreateGetBool( p_dec, "subsdec-formatted" ) )