-static text_style_t *CreateStyle( char *psz_fontname, int i_font_size,
- uint32_t i_font_color, uint32_t i_karaoke_bg_color,
- int i_style_flags )
-{
- text_style_t *p_style = text_style_New();
- if( !p_style )
- return NULL;
-
- p_style->psz_fontname = psz_fontname ? strdup( psz_fontname ) : NULL;
- p_style->i_font_size = i_font_size;
- p_style->i_font_color = (i_font_color & 0x00ffffff) >> 0;
- p_style->i_font_alpha = (i_font_color & 0xff000000) >> 24;
- p_style->i_karaoke_background_color = (i_karaoke_bg_color & 0x00ffffff) >> 0;
- p_style->i_karaoke_background_alpha = (i_karaoke_bg_color & 0xff000000) >> 24;
- p_style->i_style_flags |= i_style_flags;
- return p_style;
-}
-
-static int PushFont( font_stack_t **p_font, const char *psz_name, int i_size,
- uint32_t i_color, uint32_t i_karaoke_bg_color )
-{
- if( !p_font )
- return VLC_EGENERIC;
-
- font_stack_t *p_new = malloc( sizeof(*p_new) );
- if( !p_new )
- return VLC_ENOMEM;
-
- p_new->p_next = NULL;
-
- if( psz_name )
- p_new->psz_name = strdup( psz_name );
- else
- p_new->psz_name = NULL;
-
- p_new->i_size = i_size;
- p_new->i_color = i_color;
- p_new->i_karaoke_bg_color = i_karaoke_bg_color;
-
- if( !*p_font )
- {
- *p_font = p_new;
- }
- else
- {
- font_stack_t *p_last;
-
- for( p_last = *p_font;
- p_last->p_next;
- p_last = p_last->p_next )
- ;
-
- p_last->p_next = p_new;
- }
- return VLC_SUCCESS;
-}
-
-static int PopFont( font_stack_t **p_font )
-{
- font_stack_t *p_last, *p_next_to_last;
-
- if( !p_font || !*p_font )
- return VLC_EGENERIC;
-
- p_next_to_last = NULL;
- for( p_last = *p_font;
- p_last->p_next;
- p_last = p_last->p_next )
- {
- p_next_to_last = p_last;
- }
-
- if( p_next_to_last )
- p_next_to_last->p_next = NULL;
- else
- *p_font = NULL;
-
- free( p_last->psz_name );
- free( p_last );
-
- return VLC_SUCCESS;
-}
-
-static int PeekFont( font_stack_t **p_font, char **psz_name, int *i_size,
- uint32_t *i_color, uint32_t *i_karaoke_bg_color )
-{
- font_stack_t *p_last;
-
- if( !p_font || !*p_font )
- return VLC_EGENERIC;
-
- for( p_last=*p_font;
- p_last->p_next;
- p_last=p_last->p_next )
- ;
-
- *psz_name = p_last->psz_name;
- *i_size = p_last->i_size;
- *i_color = p_last->i_color;
- *i_karaoke_bg_color = p_last->i_karaoke_bg_color;
-
- return VLC_SUCCESS;
-}
-
-static const struct {
- const char *psz_name;
- uint32_t i_value;
-} p_html_colors[] = {
- /* Official html colors */
- { "Aqua", 0x00FFFF },
- { "Black", 0x000000 },
- { "Blue", 0x0000FF },
- { "Fuchsia", 0xFF00FF },
- { "Gray", 0x808080 },
- { "Green", 0x008000 },
- { "Lime", 0x00FF00 },
- { "Maroon", 0x800000 },
- { "Navy", 0x000080 },
- { "Olive", 0x808000 },
- { "Purple", 0x800080 },
- { "Red", 0xFF0000 },
- { "Silver", 0xC0C0C0 },
- { "Teal", 0x008080 },
- { "White", 0xFFFFFF },
- { "Yellow", 0xFFFF00 },
-
- /* Common ones */
- { "AliceBlue", 0xF0F8FF },
- { "AntiqueWhite", 0xFAEBD7 },
- { "Aqua", 0x00FFFF },
- { "Aquamarine", 0x7FFFD4 },
- { "Azure", 0xF0FFFF },
- { "Beige", 0xF5F5DC },
- { "Bisque", 0xFFE4C4 },
- { "Black", 0x000000 },
- { "BlanchedAlmond", 0xFFEBCD },
- { "Blue", 0x0000FF },
- { "BlueViolet", 0x8A2BE2 },
- { "Brown", 0xA52A2A },
- { "BurlyWood", 0xDEB887 },
- { "CadetBlue", 0x5F9EA0 },
- { "Chartreuse", 0x7FFF00 },
- { "Chocolate", 0xD2691E },
- { "Coral", 0xFF7F50 },
- { "CornflowerBlue", 0x6495ED },
- { "Cornsilk", 0xFFF8DC },
- { "Crimson", 0xDC143C },
- { "Cyan", 0x00FFFF },
- { "DarkBlue", 0x00008B },
- { "DarkCyan", 0x008B8B },
- { "DarkGoldenRod", 0xB8860B },
- { "DarkGray", 0xA9A9A9 },
- { "DarkGrey", 0xA9A9A9 },
- { "DarkGreen", 0x006400 },
- { "DarkKhaki", 0xBDB76B },
- { "DarkMagenta", 0x8B008B },
- { "DarkOliveGreen", 0x556B2F },
- { "Darkorange", 0xFF8C00 },
- { "DarkOrchid", 0x9932CC },
- { "DarkRed", 0x8B0000 },
- { "DarkSalmon", 0xE9967A },
- { "DarkSeaGreen", 0x8FBC8F },
- { "DarkSlateBlue", 0x483D8B },
- { "DarkSlateGray", 0x2F4F4F },
- { "DarkSlateGrey", 0x2F4F4F },
- { "DarkTurquoise", 0x00CED1 },
- { "DarkViolet", 0x9400D3 },
- { "DeepPink", 0xFF1493 },
- { "DeepSkyBlue", 0x00BFFF },
- { "DimGray", 0x696969 },
- { "DimGrey", 0x696969 },
- { "DodgerBlue", 0x1E90FF },
- { "FireBrick", 0xB22222 },
- { "FloralWhite", 0xFFFAF0 },
- { "ForestGreen", 0x228B22 },
- { "Fuchsia", 0xFF00FF },
- { "Gainsboro", 0xDCDCDC },
- { "GhostWhite", 0xF8F8FF },
- { "Gold", 0xFFD700 },
- { "GoldenRod", 0xDAA520 },
- { "Gray", 0x808080 },
- { "Grey", 0x808080 },
- { "Green", 0x008000 },
- { "GreenYellow", 0xADFF2F },
- { "HoneyDew", 0xF0FFF0 },
- { "HotPink", 0xFF69B4 },
- { "IndianRed", 0xCD5C5C },
- { "Indigo", 0x4B0082 },
- { "Ivory", 0xFFFFF0 },
- { "Khaki", 0xF0E68C },
- { "Lavender", 0xE6E6FA },
- { "LavenderBlush", 0xFFF0F5 },
- { "LawnGreen", 0x7CFC00 },
- { "LemonChiffon", 0xFFFACD },
- { "LightBlue", 0xADD8E6 },
- { "LightCoral", 0xF08080 },
- { "LightCyan", 0xE0FFFF },
- { "LightGoldenRodYellow", 0xFAFAD2 },
- { "LightGray", 0xD3D3D3 },
- { "LightGrey", 0xD3D3D3 },
- { "LightGreen", 0x90EE90 },
- { "LightPink", 0xFFB6C1 },
- { "LightSalmon", 0xFFA07A },
- { "LightSeaGreen", 0x20B2AA },
- { "LightSkyBlue", 0x87CEFA },
- { "LightSlateGray", 0x778899 },
- { "LightSlateGrey", 0x778899 },
- { "LightSteelBlue", 0xB0C4DE },
- { "LightYellow", 0xFFFFE0 },
- { "Lime", 0x00FF00 },
- { "LimeGreen", 0x32CD32 },
- { "Linen", 0xFAF0E6 },
- { "Magenta", 0xFF00FF },
- { "Maroon", 0x800000 },
- { "MediumAquaMarine", 0x66CDAA },
- { "MediumBlue", 0x0000CD },
- { "MediumOrchid", 0xBA55D3 },
- { "MediumPurple", 0x9370D8 },
- { "MediumSeaGreen", 0x3CB371 },
- { "MediumSlateBlue", 0x7B68EE },
- { "MediumSpringGreen", 0x00FA9A },
- { "MediumTurquoise", 0x48D1CC },
- { "MediumVioletRed", 0xC71585 },
- { "MidnightBlue", 0x191970 },
- { "MintCream", 0xF5FFFA },
- { "MistyRose", 0xFFE4E1 },
- { "Moccasin", 0xFFE4B5 },
- { "NavajoWhite", 0xFFDEAD },
- { "Navy", 0x000080 },
- { "OldLace", 0xFDF5E6 },
- { "Olive", 0x808000 },
- { "OliveDrab", 0x6B8E23 },
- { "Orange", 0xFFA500 },
- { "OrangeRed", 0xFF4500 },
- { "Orchid", 0xDA70D6 },
- { "PaleGoldenRod", 0xEEE8AA },
- { "PaleGreen", 0x98FB98 },
- { "PaleTurquoise", 0xAFEEEE },
- { "PaleVioletRed", 0xD87093 },
- { "PapayaWhip", 0xFFEFD5 },
- { "PeachPuff", 0xFFDAB9 },
- { "Peru", 0xCD853F },
- { "Pink", 0xFFC0CB },
- { "Plum", 0xDDA0DD },
- { "PowderBlue", 0xB0E0E6 },
- { "Purple", 0x800080 },
- { "Red", 0xFF0000 },
- { "RosyBrown", 0xBC8F8F },
- { "RoyalBlue", 0x4169E1 },
- { "SaddleBrown", 0x8B4513 },
- { "Salmon", 0xFA8072 },
- { "SandyBrown", 0xF4A460 },
- { "SeaGreen", 0x2E8B57 },
- { "SeaShell", 0xFFF5EE },
- { "Sienna", 0xA0522D },
- { "Silver", 0xC0C0C0 },
- { "SkyBlue", 0x87CEEB },
- { "SlateBlue", 0x6A5ACD },
- { "SlateGray", 0x708090 },
- { "SlateGrey", 0x708090 },
- { "Snow", 0xFFFAFA },
- { "SpringGreen", 0x00FF7F },
- { "SteelBlue", 0x4682B4 },
- { "Tan", 0xD2B48C },
- { "Teal", 0x008080 },
- { "Thistle", 0xD8BFD8 },
- { "Tomato", 0xFF6347 },
- { "Turquoise", 0x40E0D0 },
- { "Violet", 0xEE82EE },
- { "Wheat", 0xF5DEB3 },
- { "White", 0xFFFFFF },
- { "WhiteSmoke", 0xF5F5F5 },
- { "Yellow", 0xFFFF00 },
- { "YellowGreen", 0x9ACD32 },
-
- { NULL, 0 }
-};
-
-static int HandleFontAttributes( xml_reader_t *p_xml_reader,
- font_stack_t **p_fonts )
-{
- int rv;
- char *psz_fontname = NULL;
- uint32_t i_font_color = 0xffffff;
- int i_font_alpha = 255;
- uint32_t i_karaoke_bg_color = 0x00ffffff;
- int i_font_size = 24;
-
- /* Default all attributes to the top font in the stack -- in case not
- * all attributes are specified in the sub-font
- */
- if( VLC_SUCCESS == PeekFont( p_fonts,
- &psz_fontname,
- &i_font_size,
- &i_font_color,
- &i_karaoke_bg_color ))
- {
- psz_fontname = strdup( psz_fontname );
- i_font_size = i_font_size;
- }
- i_font_alpha = (i_font_color >> 24) & 0xff;
- i_font_color &= 0x00ffffff;
-
- const char *name, *value;
- while( (name = xml_ReaderNextAttr( p_xml_reader, &value )) != NULL )
- {
- if( !strcasecmp( "face", name ) )
- {
- free( psz_fontname );
- psz_fontname = strdup( value );
- }
- else if( !strcasecmp( "size", name ) )
- {
- if( ( *value == '+' ) || ( *value == '-' ) )
- {
- int i_value = atoi( value );
-
- if( ( i_value >= -5 ) && ( i_value <= 5 ) )
- i_font_size += ( i_value * i_font_size ) / 10;
- else if( i_value < -5 )
- i_font_size = - i_value;
- else if( i_value > 5 )
- i_font_size = i_value;
- }
- else
- i_font_size = atoi( value );
- }
- else if( !strcasecmp( "color", name ) )
- {
- if( value[0] == '#' )
- {
- i_font_color = strtol( value + 1, NULL, 16 );
- i_font_color &= 0x00ffffff;
- }
- else
- {
- char *end;
- uint32_t i_value = strtol( value, &end, 16 );
- if( *end == '\0' || *end == ' ' )
- i_font_color = i_value & 0x00ffffff;
-
- for( int i = 0; p_html_colors[i].psz_name != NULL; i++ )
- {
- if( !strncasecmp( value, p_html_colors[i].psz_name, strlen(p_html_colors[i].psz_name) ) )
- {
- i_font_color = p_html_colors[i].i_value;
- break;
- }
- }
- }
- }
- else if( !strcasecmp( "alpha", name ) && ( value[0] == '#' ) )
- {
- i_font_alpha = strtol( value + 1, NULL, 16 );
- i_font_alpha &= 0xff;
- }
- }
- rv = PushFont( p_fonts,
- psz_fontname,
- i_font_size,
- (i_font_color & 0xffffff) | ((i_font_alpha & 0xff) << 24),
- i_karaoke_bg_color );
-
- free( psz_fontname );
-
- return rv;
-}
-
-/* Turn any multiple-whitespaces into single spaces */
-static void HandleWhiteSpace( char *psz_node )
-{
- char *s = strpbrk( psz_node, "\t\r\n " );
- while( s )
- {
- int i_whitespace = strspn( s, "\t\r\n " );
-
- if( i_whitespace > 1 )
- memmove( &s[1],
- &s[i_whitespace],
- strlen( s ) - i_whitespace + 1 );
- *s++ = ' ';
-
- s = strpbrk( s, "\t\r\n " );
- }
-}
-
-
-static text_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
- font_stack_t **p_fonts,
- int i_style_flags )
-{
- char *psz_fontname = NULL;
- uint32_t i_font_color = p_sys->i_font_color & 0x00ffffff;
- uint32_t i_karaoke_bg_color = i_font_color;
- int i_font_size = p_sys->i_font_size;
-
- if( PeekFont( p_fonts, &psz_fontname, &i_font_size,
- &i_font_color, &i_karaoke_bg_color ) )
- return NULL;
-
- return CreateStyle( psz_fontname, i_font_size, i_font_color,
- i_karaoke_bg_color,
- i_style_flags );
-}
-
-static unsigned SetupText( filter_t *p_filter,
- uint32_t *psz_text_out,
- text_style_t **pp_styles,
- uint32_t *pi_k_dates,
-
- const char *psz_text_in,
- text_style_t *p_style,
- uint32_t i_k_date )
-{
- size_t i_string_length;
-
- size_t i_string_bytes;
-#if defined(WORDS_BIGENDIAN)
- uint32_t *psz_tmp = ToCharset( "UCS-4BE", psz_text_in, &i_string_bytes );
-#else
- uint32_t *psz_tmp = ToCharset( "UCS-4LE", psz_text_in, &i_string_bytes );
-#endif
- if( psz_tmp )
- {
- memcpy( psz_text_out, psz_tmp, i_string_bytes );
- i_string_length = i_string_bytes / 4;
- free( psz_tmp );
- }
- else
- {
- msg_Warn( p_filter, "failed to convert string to unicode (%m)" );
- i_string_length = 0;
- }
-
- if( i_string_length > 0 )
- {
- for( unsigned i = 0; i < i_string_length; i++ )
- pp_styles[i] = p_style;
- }
- else
- {
- text_style_Delete( p_style );
- }
- if( i_string_length > 0 && pi_k_dates )
- {
- for( unsigned i = 0; i < i_string_length; i++ )
- pi_k_dates[i] = i_k_date;
- }
- return i_string_length;
-}
-
-static int ProcessNodes( filter_t *p_filter,
- uint32_t *psz_text,
- text_style_t **pp_styles,
- uint32_t *pi_k_dates,
- int *pi_len,
- xml_reader_t *p_xml_reader,
- text_style_t *p_font_style )
-{
- int rv = VLC_SUCCESS;
- filter_sys_t *p_sys = p_filter->p_sys;
- int i_text_length = 0;
- font_stack_t *p_fonts = NULL;
- uint32_t i_k_date = 0;
-
- int i_style_flags = 0;
-
- if( p_font_style )
- {
- rv = PushFont( &p_fonts,
- p_font_style->psz_fontname,
- p_font_style->i_font_size > 0 ? p_font_style->i_font_size
- : p_sys->i_font_size,
- (p_font_style->i_font_color & 0xffffff) |
- ((p_font_style->i_font_alpha & 0xff) << 24),
- (p_font_style->i_karaoke_background_color & 0xffffff) |
- ((p_font_style->i_karaoke_background_alpha & 0xff) << 24));
-
- i_style_flags = p_font_style->i_style_flags & (STYLE_BOLD |
- STYLE_ITALIC |
- STYLE_UNDERLINE |
- STYLE_STRIKEOUT);
- }
-#ifdef HAVE_STYLES
- else
- {
- rv = PushFont( &p_fonts,
- p_sys->psz_fontfamily,
- p_sys->i_font_size,
- (p_sys->i_font_color & 0xffffff) |
- ((p_sys->i_font_opacity & 0xff) << 24),
- 0x00ffffff );
- }
-#endif
- if( p_sys->b_font_bold )
- i_style_flags |= STYLE_BOLD;
-
- if( rv != VLC_SUCCESS )
- return rv;
-
- const char *node;
- int type;
-
- while ( (type = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
- {
- switch ( type )
- {
- case XML_READER_ENDELEM:
- if( !strcasecmp( "font", node ) )
- PopFont( &p_fonts );
- else if( !strcasecmp( "b", node ) )
- i_style_flags &= ~STYLE_BOLD;
- else if( !strcasecmp( "i", node ) )
- i_style_flags &= ~STYLE_ITALIC;
- else if( !strcasecmp( "u", node ) )
- i_style_flags &= ~STYLE_UNDERLINE;
- else if( !strcasecmp( "s", node ) )
- i_style_flags &= ~STYLE_STRIKEOUT;
- break;
-
- case XML_READER_STARTELEM:
- if( !strcasecmp( "font", node ) )
- HandleFontAttributes( p_xml_reader, &p_fonts );
- else if( !strcasecmp( "b", node ) )
- i_style_flags |= STYLE_BOLD;
- else if( !strcasecmp( "i", node ) )
- i_style_flags |= STYLE_ITALIC;
- else if( !strcasecmp( "u", node ) )
- i_style_flags |= STYLE_UNDERLINE;
- else if( !strcasecmp( "s", node ) )
- i_style_flags |= STYLE_STRIKEOUT;
- else if( !strcasecmp( "br", node ) )
- {
- i_text_length += SetupText( p_filter,
- &psz_text[i_text_length],
- &pp_styles[i_text_length],
- pi_k_dates ? &pi_k_dates[i_text_length] : NULL,
- "\n",
- GetStyleFromFontStack( p_sys,
- &p_fonts,
- i_style_flags ),
- i_k_date );
- }
- else if( !strcasecmp( "k", node ) )
- {
- /* Karaoke tags */
- const char *name, *value;
- while( (name = xml_ReaderNextAttr( p_xml_reader, &value )) != NULL )
- {
- if( !strcasecmp( "t", name ) && value )
- i_k_date += atoi( value );
- }
- }
- break;
-
- case XML_READER_TEXT:
- {
- char *psz_node = strdup( node );
- if( unlikely(!psz_node) )
- break;
-
- HandleWhiteSpace( psz_node );
- resolve_xml_special_chars( psz_node );
-
- i_text_length += SetupText( p_filter,
- &psz_text[i_text_length],
- &pp_styles[i_text_length],
- pi_k_dates ? &pi_k_dates[i_text_length] : NULL,
- psz_node,
- GetStyleFromFontStack( p_sys,
- &p_fonts,
- i_style_flags ),
- i_k_date );
- free( psz_node );
- break;
- }
- }
- }
-
- *pi_len = i_text_length;