/*****************************************************************************
* subsusf.c : USF subtitles decoder
*****************************************************************************
- * Copyright (C) 2000-2006 the VideoLAN team
+ * Copyright (C) 2000-2006 VLC authors and VideoLAN
* $Id$
*
* Authors: Bernie Purcell <bitmap@videolan.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+#include <assert.h>
-#include "subsdec.h"
+#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_modules.h>
-#include <assert.h>
+#include <vlc_codec.h>
+#include <vlc_input.h>
+#include <vlc_charset.h>
+#include <vlc_image.h>
+#include <vlc_xml.h>
+#include <vlc_stream.h>
/*****************************************************************************
- * Local prototypes
+ * Module descriptor.
*****************************************************************************/
static int OpenDecoder ( vlc_object_t * );
static void CloseDecoder ( vlc_object_t * );
-static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
-static char *CreatePlainText( char * );
-static int ParseImageAttachments( decoder_t *p_dec );
-
-static subpicture_t *ParseText ( decoder_t *, block_t * );
-static void ParseUSFHeader( decoder_t * );
-static subpicture_region_t *ParseUSFString( decoder_t *, char * );
-static subpicture_region_t *LoadEmbeddedImage( decoder_t *p_dec, const char *psz_filename, int i_transparent_color );
-
-/*****************************************************************************
- * Module descriptor.
- *****************************************************************************/
-
vlc_module_begin ()
set_capability( "decoder", 40 )
set_shortname( N_("USFSubs"))
/* We inherit subsdec-align and subsdec-formatted from subsdec.c */
vlc_module_end ()
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+enum
+{
+ ATTRIBUTE_ALIGNMENT = (1 << 0),
+ ATTRIBUTE_X = (1 << 1),
+ ATTRIBUTE_X_PERCENT = (1 << 2),
+ ATTRIBUTE_Y = (1 << 3),
+ ATTRIBUTE_Y_PERCENT = (1 << 4),
+};
+
+typedef struct
+{
+ char *psz_filename;
+ picture_t *p_pic;
+} image_attach_t;
+
+typedef struct
+{
+ char * psz_stylename; /* The name of the style, no comma's allowed */
+ text_style_t font_style;
+ int i_align;
+ int i_margin_h;
+ int i_margin_v;
+ int i_margin_percent_h;
+ int i_margin_percent_v;
+} ssa_style_t;
+
+struct decoder_sys_t
+{
+ int i_original_height;
+ int i_original_width;
+ int i_align; /* Subtitles alignment on the vout */
+
+ ssa_style_t **pp_ssa_styles;
+ int i_ssa_styles;
+
+ image_attach_t **pp_images;
+ int i_images;
+};
+
+static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
+static char *CreatePlainText( char * );
+static int ParseImageAttachments( decoder_t *p_dec );
+
+static subpicture_t *ParseText ( decoder_t *, block_t * );
+static void ParseUSFHeader( decoder_t * );
+static subpicture_region_t *ParseUSFString( decoder_t *, char * );
+static subpicture_region_t *LoadEmbeddedImage( decoder_t *p_dec, const char *psz_filename, int i_transparent_color );
+
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************
p_dec->fmt_out.i_cat = SPU_ES;
p_dec->fmt_out.i_codec = 0;
- /* Unused fields of p_sys - not needed for USF decoding */
- p_sys->b_ass = false;
- p_sys->iconv_handle = (vlc_iconv_t)-1;
- p_sys->b_autodetect_utf8 = false;
-
/* init of p_sys */
p_sys->i_align = 0;
p_sys->i_original_height = 0;
{
block_t *p_block;
- p_block = block_New( p_image->p_parent, p_attach->i_data );
+ p_block = block_Alloc( p_attach->i_data );
if( p_block != NULL )
{
else if( !strcasecmp( "resolution", node ) &&
( i_metadata_level == 1) )
{
- const char *attr;
- while( (attr = xml_ReaderNextAttr( p_xml_reader )) )
+ const char *attr, *val;
+ while( (attr = xml_ReaderNextAttr( p_xml_reader, &val )) )
{
- char *psz_value = xml_ReaderValue ( p_xml_reader );
- if( !psz_value )
- continue;
-
if( !strcasecmp( "x", attr ) )
- p_sys->i_original_width = atoi( psz_value );
+ p_sys->i_original_width = atoi( val );
else if( !strcasecmp( "y", attr ) )
- p_sys->i_original_height = atoi( psz_value );
- free( psz_value );
+ p_sys->i_original_height = atoi( val );
}
}
else if( !strcasecmp( "styles", node ) && (i_style_level == 0) )
}
}
- const char *attr;
- while( (attr = xml_ReaderNextAttr( p_xml_reader )) )
+ const char *attr, *val;
+ while( (attr = xml_ReaderNextAttr( p_xml_reader, &val )) )
{
- char *psz_value = xml_ReaderValue ( p_xml_reader );
- if( !psz_value )
- continue;
-
if( !strcasecmp( "name", attr ) )
{
free( p_ssa_style->psz_stylename );
- p_ssa_style->psz_stylename = strdup( psz_value );
+ p_ssa_style->psz_stylename = strdup( val );
}
- free( psz_value );
}
}
else if( !strcasecmp( "fontstyle", node ) && (i_style_level == 2) )
{
- const char *attr;
- while( (attr = xml_ReaderNextAttr( p_xml_reader )) )
+ const char *attr, *val;
+ while( (attr = xml_ReaderNextAttr( p_xml_reader, &val )) )
{
- char *psz_value = xml_ReaderValue ( p_xml_reader );
- if( !psz_value )
- continue;
-
if( !strcasecmp( "face", attr ) )
{
free( p_ssa_style->font_style.psz_fontname );
- p_ssa_style->font_style.psz_fontname = strdup( psz_value );
+ p_ssa_style->font_style.psz_fontname = strdup( val );
}
else if( !strcasecmp( "size", attr ) )
{
- if( ( *psz_value == '+' ) || ( *psz_value == '-' ) )
+ if( ( *val == '+' ) || ( *val == '-' ) )
{
- int i_value = atoi( psz_value );
+ int i_value = atoi( val );
if( ( i_value >= -5 ) && ( i_value <= 5 ) )
p_ssa_style->font_style.i_font_size +=
p_ssa_style->font_style.i_font_size = i_value;
}
else
- p_ssa_style->font_style.i_font_size = atoi( psz_value );
+ p_ssa_style->font_style.i_font_size = atoi( val );
}
else if( !strcasecmp( "italic", attr ) )
{
- if( !strcasecmp( "yes", psz_value ))
+ if( !strcasecmp( "yes", val ))
p_ssa_style->font_style.i_style_flags |= STYLE_ITALIC;
else
p_ssa_style->font_style.i_style_flags &= ~STYLE_ITALIC;
}
else if( !strcasecmp( "weight", attr ) )
{
- if( !strcasecmp( "bold", psz_value ))
+ if( !strcasecmp( "bold", val ))
p_ssa_style->font_style.i_style_flags |= STYLE_BOLD;
else
p_ssa_style->font_style.i_style_flags &= ~STYLE_BOLD;
}
else if( !strcasecmp( "underline", attr ) )
{
- if( !strcasecmp( "yes", psz_value ))
+ if( !strcasecmp( "yes", val ))
p_ssa_style->font_style.i_style_flags |= STYLE_UNDERLINE;
else
p_ssa_style->font_style.i_style_flags &= ~STYLE_UNDERLINE;
}
else if( !strcasecmp( "color", attr ) )
{
- if( *psz_value == '#' )
+ if( *val == '#' )
{
- unsigned long col = strtol(psz_value+1, NULL, 16);
+ unsigned long col = strtol(val+1, NULL, 16);
p_ssa_style->font_style.i_font_color = (col & 0x00ffffff);
p_ssa_style->font_style.i_font_alpha = (col >> 24) & 0xff;
}
}
else if( !strcasecmp( "outline-color", attr ) )
{
- if( *psz_value == '#' )
+ if( *val == '#' )
{
- unsigned long col = strtol(psz_value+1, NULL, 16);
+ unsigned long col = strtol(val+1, NULL, 16);
p_ssa_style->font_style.i_outline_color = (col & 0x00ffffff);
p_ssa_style->font_style.i_outline_alpha = (col >> 24) & 0xff;
}
}
else if( !strcasecmp( "outline-level", attr ) )
{
- p_ssa_style->font_style.i_outline_width = atoi( psz_value );
+ p_ssa_style->font_style.i_outline_width = atoi( val );
}
else if( !strcasecmp( "shadow-color", attr ) )
{
- if( *psz_value == '#' )
+ if( *val == '#' )
{
- unsigned long col = strtol(psz_value+1, NULL, 16);
+ unsigned long col = strtol(val+1, NULL, 16);
p_ssa_style->font_style.i_shadow_color = (col & 0x00ffffff);
p_ssa_style->font_style.i_shadow_alpha = (col >> 24) & 0xff;
}
}
else if( !strcasecmp( "shadow-level", attr ) )
{
- p_ssa_style->font_style.i_shadow_width = atoi( psz_value );
+ p_ssa_style->font_style.i_shadow_width = atoi( val );
}
else if( !strcasecmp( "back-color", attr ) )
{
- if( *psz_value == '#' )
+ if( *val == '#' )
{
- unsigned long col = strtol(psz_value+1, NULL, 16);
+ unsigned long col = strtol(val+1, NULL, 16);
p_ssa_style->font_style.i_karaoke_background_color = (col & 0x00ffffff);
p_ssa_style->font_style.i_karaoke_background_alpha = (col >> 24) & 0xff;
}
}
else if( !strcasecmp( "spacing", attr ) )
{
- p_ssa_style->font_style.i_spacing = atoi( psz_value );
+ p_ssa_style->font_style.i_spacing = atoi( val );
}
- free( psz_value );
}
}
else if( !strcasecmp( "position", node ) && (i_style_level == 2) )
{
- const char *attr;
- while( (attr = xml_ReaderNextAttr( p_xml_reader )) )
+ const char *attr, *val;
+ while( (attr = xml_ReaderNextAttr( p_xml_reader, &val )) )
{
- char *psz_value = xml_ReaderValue ( p_xml_reader );
- if( !psz_value )
- continue;
-
if( !strcasecmp( "alignment", attr ) )
{
- if( !strcasecmp( "TopLeft", psz_value ) )
+ if( !strcasecmp( "TopLeft", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_TOP | SUBPICTURE_ALIGN_LEFT;
- else if( !strcasecmp( "TopCenter", psz_value ) )
+ else if( !strcasecmp( "TopCenter", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_TOP;
- else if( !strcasecmp( "TopRight", psz_value ) )
+ else if( !strcasecmp( "TopRight", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_TOP | SUBPICTURE_ALIGN_RIGHT;
- else if( !strcasecmp( "MiddleLeft", psz_value ) )
+ else if( !strcasecmp( "MiddleLeft", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_LEFT;
- else if( !strcasecmp( "MiddleCenter", psz_value ) )
+ else if( !strcasecmp( "MiddleCenter", val ) )
p_ssa_style->i_align = 0;
- else if( !strcasecmp( "MiddleRight", psz_value ) )
+ else if( !strcasecmp( "MiddleRight", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_RIGHT;
- else if( !strcasecmp( "BottomLeft", psz_value ) )
+ else if( !strcasecmp( "BottomLeft", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_BOTTOM | SUBPICTURE_ALIGN_LEFT;
- else if( !strcasecmp( "BottomCenter", psz_value ) )
+ else if( !strcasecmp( "BottomCenter", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_BOTTOM;
- else if( !strcasecmp( "BottomRight", psz_value ) )
+ else if( !strcasecmp( "BottomRight", val ) )
p_ssa_style->i_align = SUBPICTURE_ALIGN_BOTTOM | SUBPICTURE_ALIGN_RIGHT;
}
else if( !strcasecmp( "horizontal-margin", attr ) )
{
- if( strchr( psz_value, '%' ) )
+ if( strchr( val, '%' ) )
{
p_ssa_style->i_margin_h = 0;
- p_ssa_style->i_margin_percent_h = atoi( psz_value );
+ p_ssa_style->i_margin_percent_h = atoi( val );
}
else
{
- p_ssa_style->i_margin_h = atoi( psz_value );
+ p_ssa_style->i_margin_h = atoi( val );
p_ssa_style->i_margin_percent_h = 0;
}
}
else if( !strcasecmp( "vertical-margin", attr ) )
{
- if( strchr( psz_value, '%' ) )
+ if( strchr( val, '%' ) )
{
p_ssa_style->i_margin_v = 0;
- p_ssa_style->i_margin_percent_v = atoi( psz_value );
+ p_ssa_style->i_margin_percent_v = atoi( val );
}
else
{
- p_ssa_style->i_margin_v = atoi( psz_value );
+ p_ssa_style->i_margin_v = atoi( val );
p_ssa_style->i_margin_percent_v = 0;
}
}
- free( psz_value );
}
}
break;