+ 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 void IconvText( filter_t *p_filter, const char *psz_string,
+ uint32_t *i_string_length, uint32_t **ppsz_unicode )
+{
+ vlc_iconv_t iconv_handle = (vlc_iconv_t)(-1);
+
+ /* If memory hasn't been allocated for our output string, allocate it here
+ * - the calling function must now be responsible for freeing it.
+ */
+ if( !*ppsz_unicode )
+ *ppsz_unicode = (uint32_t *)
+ malloc( (strlen( psz_string ) + 1) * sizeof( uint32_t ));
+
+ /* We don't need to handle a NULL pointer in *ppsz_unicode
+ * if we are instead testing for a non NULL value like we are here */
+
+ if( *ppsz_unicode )
+ {
+#if defined(WORDS_BIGENDIAN)
+ iconv_handle = vlc_iconv_open( "UCS-4BE", "UTF-8" );
+#else
+ iconv_handle = vlc_iconv_open( "UCS-4LE", "UTF-8" );
+#endif
+ if( iconv_handle != (vlc_iconv_t)-1 )
+ {
+ char *p_in_buffer, *p_out_buffer;
+ size_t i_in_bytes, i_out_bytes, i_out_bytes_left, i_ret;
+ i_in_bytes = strlen( psz_string );
+ i_out_bytes = i_in_bytes * sizeof( uint32_t );
+ i_out_bytes_left = i_out_bytes;
+ p_in_buffer = (char *) psz_string;
+ p_out_buffer = (char *) *ppsz_unicode;
+ i_ret = vlc_iconv( iconv_handle, (const char**)&p_in_buffer,
+ &i_in_bytes, &p_out_buffer, &i_out_bytes_left );
+
+ vlc_iconv_close( iconv_handle );
+
+ if( i_in_bytes )
+ {
+ msg_Warn( p_filter, "failed to convert string to unicode (%m), "
+ "bytes left %u", (unsigned)i_in_bytes );
+ }
+ else
+ {
+ *(uint32_t*)p_out_buffer = 0;
+ *i_string_length =
+ (i_out_bytes - i_out_bytes_left) / sizeof(uint32_t);
+ }
+ }
+ else
+ {
+ msg_Warn( p_filter, "unable to do conversion" );
+ }
+ }
+}
+
+static ft_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
+ font_stack_t **p_fonts, bool b_bold, bool b_italic,
+ bool b_uline )
+{
+ ft_style_t *p_style = NULL;
+
+ 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( VLC_SUCCESS == PeekFont( p_fonts, &psz_fontname, &i_font_size,
+ &i_font_color, &i_karaoke_bg_color ))
+ {
+ p_style = CreateStyle( psz_fontname, i_font_size, i_font_color,
+ i_karaoke_bg_color, b_bold, b_italic, b_uline );
+ }
+ return p_style;
+}
+
+static int RenderTag( filter_t *p_filter, FT_Face p_face, int i_font_color,
+ bool b_uline, int i_karaoke_bgcolor,
+ line_desc_t *p_line, uint32_t *psz_unicode,
+ int *pi_pen_x, int i_pen_y, int *pi_start,
+ FT_Vector *p_result )
+{
+ FT_BBox line;
+ int i_yMin, i_yMax;
+ int i;
+ bool b_first_on_line = true;
+
+ int i_previous = 0;
+ int i_pen_x_start = *pi_pen_x;
+
+ uint32_t *psz_unicode_start = psz_unicode;
+
+ line.xMin = line.xMax = line.yMin = line.yMax = 0;
+
+ /* Account for part of line already in position */
+ for( i=0; i<*pi_start; i++ )
+ {
+ FT_BBox glyph_size;
+
+ FT_Glyph_Get_CBox( (FT_Glyph) p_line->pp_glyphs[ i ],
+ ft_glyph_bbox_pixels, &glyph_size );
+
+ line.xMax = p_line->p_glyph_pos[ i ].x + glyph_size.xMax -
+ glyph_size.xMin + p_line->pp_glyphs[ i ]->left;
+ line.yMax = __MAX( line.yMax, glyph_size.yMax );
+ line.yMin = __MIN( line.yMin, glyph_size.yMin );
+ }
+ i_yMin = line.yMin;
+ i_yMax = line.yMax;
+
+ if( line.xMax > 0 )
+ b_first_on_line = false;
+
+ while( *psz_unicode && ( *psz_unicode != '\n' ) )
+ {
+ FT_BBox glyph_size;
+ FT_Glyph tmp_glyph;
+ int i_error;
+
+ int i_glyph_index = FT_Get_Char_Index( p_face, *psz_unicode++ );
+ if( FT_HAS_KERNING( p_face ) && i_glyph_index
+ && i_previous )
+ {
+ FT_Vector delta;
+ FT_Get_Kerning( p_face, i_previous, i_glyph_index,
+ ft_kerning_default, &delta );
+ *pi_pen_x += delta.x >> 6;
+ }
+ p_line->p_glyph_pos[ i ].x = *pi_pen_x;
+ p_line->p_glyph_pos[ i ].y = i_pen_y;
+
+ i_error = FT_Load_Glyph( p_face, i_glyph_index, FT_LOAD_DEFAULT );
+ if( i_error )
+ {
+ msg_Err( p_filter,
+ "unable to render text FT_Load_Glyph returned %d", i_error );
+ p_line->pp_glyphs[ i ] = NULL;
+ return VLC_EGENERIC;
+ }
+ i_error = FT_Get_Glyph( p_face->glyph, &tmp_glyph );
+ if( i_error )
+ {
+ msg_Err( p_filter,
+ "unable to render text FT_Get_Glyph returned %d", i_error );
+ p_line->pp_glyphs[ i ] = NULL;
+ return VLC_EGENERIC;
+ }
+ FT_Glyph_Get_CBox( tmp_glyph, ft_glyph_bbox_pixels, &glyph_size );
+ i_error = FT_Glyph_To_Bitmap( &tmp_glyph, FT_RENDER_MODE_NORMAL, 0, 1);
+ if( i_error )
+ {
+ FT_Done_Glyph( tmp_glyph );
+ continue;
+ }
+ if( b_uline )
+ {
+ float aOffset = FT_FLOOR(FT_MulFix(p_face->underline_position,
+ p_face->size->metrics.y_scale));
+ float aSize = FT_CEIL(FT_MulFix(p_face->underline_thickness,
+ p_face->size->metrics.y_scale));
+
+ p_line->pi_underline_offset[ i ] =
+ ( aOffset < 0 ) ? -aOffset : aOffset;
+ p_line->pi_underline_thickness[ i ] =
+ ( aSize < 0 ) ? -aSize : aSize;
+ }
+ p_line->pp_glyphs[ i ] = (FT_BitmapGlyph)tmp_glyph;
+ p_line->p_fg_rgb[ i ] = i_font_color & 0x00ffffff;
+ p_line->p_bg_rgb[ i ] = i_karaoke_bgcolor & 0x00ffffff;
+ p_line->p_fg_bg_ratio[ i ] = 0x00;
+
+ line.xMax = p_line->p_glyph_pos[i].x + glyph_size.xMax -
+ glyph_size.xMin + ((FT_BitmapGlyph)tmp_glyph)->left;
+ if( line.xMax > (int)p_filter->fmt_out.video.i_visible_width - 20 )
+ {
+ while( --i > *pi_start )
+ {
+ FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
+ }
+
+ while( psz_unicode > psz_unicode_start && *psz_unicode != ' ' )
+ {
+ psz_unicode--;
+ }
+ if( psz_unicode == psz_unicode_start )
+ {
+ if( b_first_on_line )
+ {
+ msg_Warn( p_filter, "unbreakable string" );
+ p_line->pp_glyphs[ i ] = NULL;
+ return VLC_EGENERIC;
+ }
+ *pi_pen_x = i_pen_x_start;
+
+ p_line->i_width = line.xMax;
+ p_line->i_height = __MAX( p_line->i_height,
+ p_face->size->metrics.height >> 6 );
+ p_line->pp_glyphs[ i ] = NULL;
+
+ p_result->x = __MAX( p_result->x, line.xMax );
+ p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
+ i_yMax - i_yMin ) );
+
+ *pi_start = i;
+ return VLC_SUCCESS;
+ }
+ else
+ {
+ *psz_unicode = '\n';
+ }
+ psz_unicode = psz_unicode_start;
+ *pi_pen_x = i_pen_x_start;
+ i_previous = 0;
+
+ line.yMax = i_yMax;
+ line.yMin = i_yMin;
+
+ continue;
+ }
+ line.yMax = __MAX( line.yMax, glyph_size.yMax );
+ line.yMin = __MIN( line.yMin, glyph_size.yMin );
+
+ i_previous = i_glyph_index;
+ *pi_pen_x += p_face->glyph->advance.x >> 6;
+ i++;
+ }
+ p_line->i_width = line.xMax;
+ p_line->i_height = __MAX( p_line->i_height,
+ p_face->size->metrics.height >> 6 );
+ p_line->pp_glyphs[ i ] = NULL;
+
+ p_result->x = __MAX( p_result->x, line.xMax );
+ p_result->y = __MAX( p_result->y, __MAX( p_line->i_height,
+ line.yMax - line.yMin ) );
+
+ *pi_start = i;
+
+ /* Get rid of any text processed - if necessary repositioning
+ * at the start of a new line of text
+ */
+ if( !*psz_unicode )
+ {
+ *psz_unicode_start = '\0';
+ }
+ else if( psz_unicode > psz_unicode_start )
+ {
+ for( i=0; psz_unicode[ i ]; i++ )
+ psz_unicode_start[ i ] = psz_unicode[ i ];
+ psz_unicode_start[ i ] = '\0';
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int HandleFontAttributes( xml_reader_t *p_xml_reader,
+ font_stack_t **p_fonts, int i_scale )
+{
+ int rv;
+ char *psz_fontname = NULL;
+ uint32_t i_font_color = 0xffffff;
+ int i_font_alpha = 0;
+ 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 * 1000 / i_scale;
+ }
+ i_font_alpha = (i_font_color >> 24) & 0xff;
+ i_font_color &= 0x00ffffff;
+
+ while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
+ {
+ char *psz_name = xml_ReaderName( p_xml_reader );
+ char *psz_value = xml_ReaderValue( p_xml_reader );
+
+ if( psz_name && psz_value )
+ {
+ if( !strcasecmp( "face", psz_name ) )
+ {
+ free( psz_fontname );
+ psz_fontname = strdup( psz_value );
+ }
+ else if( !strcasecmp( "size", psz_name ) )
+ {
+ if( ( *psz_value == '+' ) || ( *psz_value == '-' ) )
+ {
+ int i_value = atoi( psz_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( psz_value );
+ }
+ else if( !strcasecmp( "color", psz_name ) &&
+ ( psz_value[0] == '#' ) )
+ {
+ i_font_color = strtol( psz_value + 1, NULL, 16 );
+ i_font_color &= 0x00ffffff;
+ }
+ else if( !strcasecmp( "alpha", psz_name ) &&
+ ( psz_value[0] == '#' ) )
+ {
+ i_font_alpha = strtol( psz_value + 1, NULL, 16 );
+ i_font_alpha &= 0xff;
+ }
+ free( psz_name );
+ free( psz_value );
+ }
+ }
+ rv = PushFont( p_fonts,
+ psz_fontname,
+ i_font_size * i_scale / 1000,
+ (i_font_color & 0xffffff) | ((i_font_alpha & 0xff) << 24),
+ i_karaoke_bg_color );
+
+ free( psz_fontname );
+
+ return rv;
+}
+
+static void SetupLine( filter_t *p_filter, const char *psz_text_in,
+ uint32_t **psz_text_out, uint32_t *pi_runs,
+ uint32_t **ppi_run_lengths, ft_style_t ***ppp_styles,
+ ft_style_t *p_style )
+{
+ uint32_t i_string_length = 0;
+
+ IconvText( p_filter, psz_text_in, &i_string_length, psz_text_out );
+ *psz_text_out += i_string_length;
+
+ if( ppp_styles && ppi_run_lengths )
+ {
+ (*pi_runs)++;
+
+ if( *ppp_styles )
+ {
+ *ppp_styles = (ft_style_t **)
+ realloc( *ppp_styles, *pi_runs * sizeof( ft_style_t * ) );
+ }
+ else if( *pi_runs == 1 )
+ {
+ *ppp_styles = (ft_style_t **)
+ malloc( *pi_runs * sizeof( ft_style_t * ) );
+ }
+
+ /* We have just malloc'ed this memory successfully -
+ * *pi_runs HAS to be within the memory area of *ppp_styles */
+ if( *ppp_styles )
+ {
+ (*ppp_styles)[ *pi_runs - 1 ] = p_style;
+ p_style = NULL;
+ }
+
+ if( *ppi_run_lengths )
+ {
+ *ppi_run_lengths = (uint32_t *)
+ realloc( *ppi_run_lengths, *pi_runs * sizeof( uint32_t ) );
+ }
+ else if( *pi_runs == 1 )
+ {
+ *ppi_run_lengths = (uint32_t *)
+ malloc( *pi_runs * sizeof( uint32_t ) );
+ }
+
+ /* same remarks here */
+ if( *ppi_run_lengths )
+ {
+ (*ppi_run_lengths)[ *pi_runs - 1 ] = i_string_length;
+ }
+ }
+ /* If we couldn't use the p_style argument due to memory allocation
+ * problems above, release it here.
+ */
+ if( p_style ) DeleteStyle( p_style );
+}
+
+static void SetKaraokeLen( uint32_t i_runs, uint32_t *pi_run_lengths,
+ uint32_t i_k_runs, uint32_t *pi_k_run_lengths )
+{
+ /* Karaoke tags _PRECEDE_ the text they specify a duration
+ * for, therefore we are working out the length for the
+ * previous tag, and first time through we have nothing
+ */
+ if( pi_k_run_lengths )
+ {
+ int i_chars = 0;
+ uint32_t i;
+
+ /* Work out how many characters are presently in the string
+ */
+ for( i = 0; i < i_runs; i++ )
+ i_chars += pi_run_lengths[ i ];
+
+ /* Subtract away those we've already allocated to other
+ * karaoke tags
+ */
+ for( i = 0; i < i_k_runs; i++ )
+ i_chars -= pi_k_run_lengths[ i ];
+
+ pi_k_run_lengths[ i_k_runs - 1 ] = i_chars;
+ }
+}
+
+static void SetupKaraoke( xml_reader_t *p_xml_reader, uint32_t *pi_k_runs,
+ uint32_t **ppi_k_run_lengths,
+ uint32_t **ppi_k_durations )
+{
+ while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
+ {
+ char *psz_name = xml_ReaderName( p_xml_reader );
+ char *psz_value = xml_ReaderValue( p_xml_reader );
+
+ if( psz_name && psz_value &&
+ !strcasecmp( "t", psz_name ) )
+ {
+ if( ppi_k_durations && ppi_k_run_lengths )
+ {
+ (*pi_k_runs)++;
+
+ if( *ppi_k_durations )
+ {
+ *ppi_k_durations = (uint32_t *)
+ realloc( *ppi_k_durations,
+ *pi_k_runs * sizeof( uint32_t ) );
+ }
+ else if( *pi_k_runs == 1 )
+ {
+ *ppi_k_durations = (uint32_t *)
+ malloc( *pi_k_runs * sizeof( uint32_t ) );
+ }
+
+ if( *ppi_k_run_lengths )
+ {
+ *ppi_k_run_lengths = (uint32_t *)
+ realloc( *ppi_k_run_lengths,
+ *pi_k_runs * sizeof( uint32_t ) );
+ }
+ else if( *pi_k_runs == 1 )
+ {
+ *ppi_k_run_lengths = (uint32_t *)
+ malloc( *pi_k_runs * sizeof( uint32_t ) );
+ }
+ if( *ppi_k_durations )
+ (*ppi_k_durations)[ *pi_k_runs - 1 ] = atoi( psz_value );
+
+ if( *ppi_k_run_lengths )
+ (*ppi_k_run_lengths)[ *pi_k_runs - 1 ] = 0;
+ }
+ }
+ free( psz_name );
+ free( psz_value );
+ }
+}
+
+static int ProcessNodes( filter_t *p_filter,
+ xml_reader_t *p_xml_reader,
+ text_style_t *p_font_style,
+ uint32_t *psz_text,
+ int *pi_len,
+
+ uint32_t *pi_runs,
+ uint32_t **ppi_run_lengths,
+ ft_style_t ***ppp_styles,
+
+ bool b_karaoke,
+ uint32_t *pi_k_runs,
+ uint32_t **ppi_k_run_lengths,
+ uint32_t **ppi_k_durations )
+{
+ int rv = VLC_SUCCESS;
+ filter_sys_t *p_sys = p_filter->p_sys;
+ uint32_t *psz_text_orig = psz_text;
+ font_stack_t *p_fonts = NULL;
+ vlc_value_t val;
+ int i_scale = 1000;
+
+ char *psz_node = NULL;
+
+ bool b_italic = false;
+ bool b_bold = false;
+ bool b_uline = false;
+
+ if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
+ i_scale = val.i_int;
+
+ if( p_font_style )
+ {
+ rv = PushFont( &p_fonts,
+ p_font_style->psz_fontname,
+ p_font_style->i_font_size * i_scale / 1000,
+ (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));
+
+ if( p_font_style->i_style_flags & STYLE_BOLD )
+ b_bold = true;
+ if( p_font_style->i_style_flags & STYLE_ITALIC )
+ b_italic = true;
+ if( p_font_style->i_style_flags & STYLE_UNDERLINE )
+ b_uline = true;
+ }
+ else
+ {
+ rv = PushFont( &p_fonts,
+ FC_DEFAULT_FONT,
+ p_sys->i_font_size,
+ 0x00ffffff,
+ 0x00ffffff );
+ }
+ if( rv != VLC_SUCCESS )
+ return rv;
+
+ while ( ( xml_ReaderRead( p_xml_reader ) == 1 ) )
+ {
+ switch ( xml_ReaderNodeType( p_xml_reader ) )
+ {
+ case XML_READER_NONE:
+ break;
+ case XML_READER_ENDELEM:
+ psz_node = xml_ReaderName( p_xml_reader );
+
+ if( psz_node )
+ {
+ if( !strcasecmp( "font", psz_node ) )
+ PopFont( &p_fonts );
+ else if( !strcasecmp( "b", psz_node ) )
+ b_bold = false;
+ else if( !strcasecmp( "i", psz_node ) )
+ b_italic = false;
+ else if( !strcasecmp( "u", psz_node ) )
+ b_uline = false;
+
+ free( psz_node );
+ }
+ break;
+ case XML_READER_STARTELEM:
+ psz_node = xml_ReaderName( p_xml_reader );
+ if( psz_node )
+ {
+ if( !strcasecmp( "font", psz_node ) )
+ rv = HandleFontAttributes( p_xml_reader, &p_fonts, i_scale );
+ else if( !strcasecmp( "b", psz_node ) )
+ b_bold = true;
+ else if( !strcasecmp( "i", psz_node ) )
+ b_italic = true;
+ else if( !strcasecmp( "u", psz_node ) )
+ b_uline = true;
+ else if( !strcasecmp( "br", psz_node ) )
+ {
+ SetupLine( p_filter, "\n", &psz_text,
+ pi_runs, ppi_run_lengths, ppp_styles,
+ GetStyleFromFontStack( p_sys,
+ &p_fonts,
+ b_bold,
+ b_italic,
+ b_uline ) );
+ }
+ else if( !strcasecmp( "k", psz_node ) )
+ {
+ /* Only valid in karaoke */
+ if( b_karaoke )
+ {
+ if( *pi_k_runs > 0 )
+ {
+ SetKaraokeLen( *pi_runs, *ppi_run_lengths,
+ *pi_k_runs, *ppi_k_run_lengths );
+ }
+ SetupKaraoke( p_xml_reader, pi_k_runs,
+ ppi_k_run_lengths, ppi_k_durations );
+ }
+ }
+
+ free( psz_node );
+ }
+ break;
+ case XML_READER_TEXT:
+ psz_node = xml_ReaderValue( p_xml_reader );
+ if( psz_node )
+ {
+ /* Turn any multiple-whitespaces into single spaces */
+ 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 " );
+ }
+ SetupLine( p_filter, psz_node, &psz_text,
+ pi_runs, ppi_run_lengths, ppp_styles,
+ GetStyleFromFontStack( p_sys,
+ &p_fonts,
+ b_bold,
+ b_italic,
+ b_uline ) );
+ free( psz_node );
+ }
+ break;
+ }
+ if( rv != VLC_SUCCESS )
+ {
+ psz_text = psz_text_orig;
+ break;
+ }
+ }
+ if( b_karaoke )
+ {
+ SetKaraokeLen( *pi_runs, *ppi_run_lengths,
+ *pi_k_runs, *ppi_k_run_lengths );
+ }
+
+ *pi_len = psz_text - psz_text_orig;
+
+ while( VLC_SUCCESS == PopFont( &p_fonts ) );
+
+ return rv;
+}
+
+static int CheckForEmbeddedFont( filter_sys_t *p_sys, FT_Face *pp_face, ft_style_t *p_style )
+{
+ int k;
+
+ for( k=0; k < p_sys->i_font_attachments; k++ )
+ {
+ input_attachment_t *p_attach = p_sys->pp_font_attachments[k];
+ int i_font_idx = 0;
+ FT_Face p_face = NULL;
+
+ while( 0 == FT_New_Memory_Face( p_sys->p_library,
+ p_attach->p_data,
+ p_attach->i_data,
+ i_font_idx,
+ &p_face ))
+ {
+ if( p_face )
+ {
+ bool match = !strcasecmp( p_face->family_name,
+ p_style->psz_fontname );
+
+ if( p_face->style_flags & FT_STYLE_FLAG_BOLD )
+ match = match && p_style->b_bold;
+ else
+ match = match && !p_style->b_bold;
+
+ if( p_face->style_flags & FT_STYLE_FLAG_ITALIC )
+ match = match && p_style->b_italic;
+ else
+ match = match && !p_style->b_italic;
+
+ if( match )
+ {
+ *pp_face = p_face;
+ return VLC_SUCCESS;
+ }
+
+ FT_Done_Face( p_face );
+ }
+ i_font_idx++;
+ }
+ }
+ return VLC_EGENERIC;
+}
+
+static int ProcessLines( filter_t *p_filter,
+ uint32_t *psz_text,
+ int i_len,
+
+ uint32_t i_runs,
+ uint32_t *pi_run_lengths,
+ ft_style_t **pp_styles,
+ line_desc_t **pp_lines,
+
+ FT_Vector *p_result,
+
+ bool b_karaoke,
+ uint32_t i_k_runs,
+ uint32_t *pi_k_run_lengths,
+ uint32_t *pi_k_durations )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+ ft_style_t **pp_char_styles;
+ int *p_new_positions = NULL;
+ int8_t *p_levels = NULL;
+ uint8_t *pi_karaoke_bar = NULL;
+ uint32_t i, j, k;
+ int i_prev;
+
+ /* Assign each character in the text string its style explicitly, so that
+ * after the characters have been shuffled around by Fribidi, we can re-apply
+ * the styles, and to simplify the calculation of runs within a line.
+ */
+ pp_char_styles = (ft_style_t **) malloc( i_len * sizeof( ft_style_t * ));
+ if( !pp_char_styles )
+ return VLC_ENOMEM;
+
+ if( b_karaoke )
+ {
+ pi_karaoke_bar = (uint8_t *) malloc( i_len * sizeof( uint8_t ));
+ /* If we can't allocate sufficient memory for karaoke, continue anyway -
+ * we just won't be able to display the progress bar; at least we'll
+ * get the text.
+ */
+ }
+
+ i = 0;
+ for( j = 0; j < i_runs; j++ )
+ for( k = 0; k < pi_run_lengths[ j ]; k++ )
+ pp_char_styles[ i++ ] = pp_styles[ j ];
+
+#if defined(HAVE_FRIBIDI)
+ {
+ ft_style_t **pp_char_styles_new;
+ int *p_old_positions;
+ uint32_t *p_fribidi_string;
+ int start_pos, pos = 0;
+
+ pp_char_styles_new = (ft_style_t **)
+ malloc( i_len * sizeof( ft_style_t * ));
+
+ p_fribidi_string = (uint32_t *)
+ malloc( (i_len + 1) * sizeof(uint32_t) );
+ p_old_positions = (int *)
+ malloc( (i_len + 1) * sizeof( int ) );
+ p_new_positions = (int *)
+ malloc( (i_len + 1) * sizeof( int ) );
+ p_levels = (int8_t *)
+ malloc( (i_len + 1) * sizeof( int8_t ) );
+
+ if( ! pp_char_styles_new ||
+ ! p_fribidi_string ||
+ ! p_old_positions ||
+ ! p_new_positions ||
+ ! p_levels )
+ {
+ free( p_levels );
+ free( p_old_positions );
+ free( p_new_positions );
+ free( p_fribidi_string );
+ free( pp_char_styles_new );
+ free( pi_karaoke_bar );
+
+ free( pp_char_styles );
+ return VLC_ENOMEM;
+ }
+
+ /* Do bidi conversion line-by-line */
+ while(pos < i_len)
+ {
+ while(pos < i_len) {
+ if (psz_text[pos] != '\n')
+ break;
+ p_fribidi_string[pos] = psz_text[pos];
+ pp_char_styles_new[pos] = pp_char_styles[pos];
+ p_new_positions[pos] = pos;
+ p_levels[pos] = 0;
+ ++pos;
+ }
+ start_pos = pos;
+ while(pos < i_len) {
+ if (psz_text[pos] == '\n')
+ break;
+ ++pos;
+ }
+ if (pos > start_pos)
+ {
+ FriBidiCharType base_dir = FRIBIDI_TYPE_LTR;
+ fribidi_log2vis((FriBidiChar*)psz_text + start_pos,
+ pos - start_pos, &base_dir,
+ (FriBidiChar*)p_fribidi_string + start_pos,
+ p_new_positions + start_pos,
+ p_old_positions,
+ p_levels + start_pos );
+ for( j = (uint32_t) start_pos; j < (uint32_t) pos; j++ )
+ {
+ pp_char_styles_new[ j ] = pp_char_styles[ start_pos +
+ p_old_positions[ j - start_pos ] ];
+ p_new_positions[ j ] += start_pos;
+ }
+ }
+ }
+ free( p_old_positions );
+ free( pp_char_styles );
+ pp_char_styles = pp_char_styles_new;
+ psz_text = p_fribidi_string;
+ p_fribidi_string[ i_len ] = 0;
+ }
+#endif
+ /* Work out the karaoke */
+ if( pi_karaoke_bar )
+ {
+ int64_t i_last_duration = 0;
+ int64_t i_duration = 0;
+ int64_t i_start_pos = 0;
+ int64_t i_elapsed = var_GetTime( p_filter, "spu-elapsed" ) / 1000;
+
+ for( k = 0; k< i_k_runs; k++ )
+ {
+ double fraction = 0.0;
+
+ i_duration += pi_k_durations[ k ];
+
+ if( i_duration < i_elapsed )
+ {
+ /* Completely finished this run-length -
+ * let it render normally */
+
+ fraction = 1.0;
+ }
+ else if( i_elapsed < i_last_duration )
+ {
+ /* Haven't got up to this segment yet -
+ * render it completely in karaoke BG mode */
+
+ fraction = 0.0;
+ }
+ else
+ {
+ /* Partway through this run */
+
+ fraction = (double)(i_elapsed - i_last_duration) /
+ (double)pi_k_durations[ k ];
+ }
+ for( i = 0; i < pi_k_run_lengths[ k ]; i++ )
+ {
+ double shade = pi_k_run_lengths[ k ] * fraction;
+
+ if( p_new_positions )
+ j = p_new_positions[ i_start_pos + i ];
+ else
+ j = i_start_pos + i;
+
+ if( i < (uint32_t)shade )
+ pi_karaoke_bar[ j ] = 0xff;
+ else if( (double)i > shade )
+ pi_karaoke_bar[ j ] = 0x00;
+ else
+ {
+ shade -= (int)shade;
+ pi_karaoke_bar[ j ] = ((int)(shade * 128.0) & 0x7f) |
+ ((p_levels ? (p_levels[ j ] % 2) : 0 ) << 7);
+ }
+ }
+
+ i_last_duration = i_duration;
+ i_start_pos += pi_k_run_lengths[ k ];
+ }
+ }
+ free( p_levels );
+ free( p_new_positions );
+
+ FT_Vector tmp_result;
+
+ line_desc_t *p_line = NULL;
+ line_desc_t *p_prev = NULL;
+
+ int i_pen_x = 0;
+ int i_pen_y = 0;
+ int i_posn = 0;
+
+ p_result->x = p_result->y = 0;
+ tmp_result.x = tmp_result.y = 0;
+
+ i_prev = 0;
+ for( k = 0; k <= (uint32_t) i_len; k++ )
+ {
+ if( ( k == (uint32_t) i_len ) ||
+ ( ( k > 0 ) &&
+ !StyleEquals( pp_char_styles[ k ], pp_char_styles[ k - 1] ) ) )
+ {
+ ft_style_t *p_style = pp_char_styles[ k - 1 ];
+
+ /* End of the current style run */
+ FT_Face p_face = NULL;
+ int i_idx = 0;
+
+ /* Look for a match amongst our attachments first */
+ CheckForEmbeddedFont( p_sys, &p_face, p_style );
+
+ if( ! p_face )
+ {
+ char *psz_fontfile = NULL;
+
+ vlc_mutex_lock( p_sys->p_fontconfig_lock );
+ if( p_sys->b_fontconfig_ok )
+ {
+ /* FIXME Is there really a race condition between FontConfig_Select with default fontconfig(NULL)
+ * and FcConfigBuildFonts ? If not it would be better to remove the check on b_fontconfig_ok */
+ psz_fontfile = FontConfig_Select( p_sys->p_fontconfig,
+ p_style->psz_fontname,
+ p_style->b_bold,
+ p_style->b_italic,
+ &i_idx );
+ }
+ vlc_mutex_unlock( p_sys->p_fontconfig_lock );
+
+ if( psz_fontfile && ! *psz_fontfile )
+ {
+ msg_Warn( p_filter, "Fontconfig was unable to find a font: \"%s\" %s"
+ " so using default font", p_style->psz_fontname,
+ ((p_style->b_bold && p_style->b_italic) ? "(Bold,Italic)" :
+ (p_style->b_bold ? "(Bold)" :
+ (p_style->b_italic ? "(Italic)" : ""))) );
+ free( psz_fontfile );
+ psz_fontfile = NULL;
+ }
+
+ if( psz_fontfile )
+ {
+ if( FT_New_Face( p_sys->p_library,
+ psz_fontfile, i_idx, &p_face ) )
+ {
+ free( psz_fontfile );
+ free( pp_char_styles );
+#if defined(HAVE_FRIBIDI)
+ free( psz_text );
+#endif
+ free( pi_karaoke_bar );
+ return VLC_EGENERIC;
+ }
+ free( psz_fontfile );
+ }
+ }
+ if( p_face &&
+ FT_Select_Charmap( p_face, ft_encoding_unicode ) )
+ {
+ /* We've loaded a font face which is unhelpful for actually
+ * rendering text - fallback to the default one.
+ */
+ FT_Done_Face( p_face );
+ p_face = NULL;
+ }
+
+ if( FT_Select_Charmap( p_face ? p_face : p_sys->p_face,
+ ft_encoding_unicode ) ||
+ FT_Set_Pixel_Sizes( p_face ? p_face : p_sys->p_face, 0,
+ p_style->i_font_size ) )
+ {
+ if( p_face ) FT_Done_Face( p_face );
+ free( pp_char_styles );
+#if defined(HAVE_FRIBIDI)
+ free( psz_text );
+#endif
+ free( pi_karaoke_bar );
+ return VLC_EGENERIC;
+ }
+ p_sys->i_use_kerning =
+ FT_HAS_KERNING( ( p_face ? p_face : p_sys->p_face ) );
+
+
+ uint32_t *psz_unicode = (uint32_t *)
+ malloc( (k - i_prev + 1) * sizeof( uint32_t ));
+ if( !psz_unicode )
+ {
+ if( p_face ) FT_Done_Face( p_face );
+ free( pp_char_styles );
+ free( psz_unicode );
+#if defined(HAVE_FRIBIDI)
+ free( psz_text );
+#endif
+ free( pi_karaoke_bar );
+ return VLC_ENOMEM;
+ }
+ memcpy( psz_unicode, psz_text + i_prev,
+ sizeof( uint32_t ) * ( k - i_prev ) );
+ psz_unicode[ k - i_prev ] = 0;
+ while( *psz_unicode )
+ {
+ if( !p_line )
+ {
+ if( !(p_line = NewLine( i_len - i_prev)) )
+ {
+ if( p_face ) FT_Done_Face( p_face );
+ free( pp_char_styles );
+ free( psz_unicode );
+#if defined(HAVE_FRIBIDI)
+ free( psz_text );
+#endif
+ free( pi_karaoke_bar );
+ return VLC_ENOMEM;
+ }
+ /* New Color mode only works in YUVA rendering mode --
+ * (RGB mode has palette constraints on it). We therefore
+ * need to populate the legacy colour fields also.
+ */
+ p_line->b_new_color_mode = true;
+ p_line->i_alpha = ( p_style->i_font_color & 0xff000000 ) >> 24;
+ p_line->i_red = ( p_style->i_font_color & 0x00ff0000 ) >> 16;
+ p_line->i_green = ( p_style->i_font_color & 0x0000ff00 ) >> 8;
+ p_line->i_blue = ( p_style->i_font_color & 0x000000ff );
+ p_line->p_next = NULL;
+ i_pen_x = 0;
+ i_pen_y += tmp_result.y;
+ tmp_result.x = 0;
+ tmp_result.y = 0;
+ i_posn = 0;
+ if( p_prev ) p_prev->p_next = p_line;
+ else *pp_lines = p_line;
+ }
+
+ if( RenderTag( p_filter, p_face ? p_face : p_sys->p_face,
+ p_style->i_font_color, p_style->b_underline,
+ p_style->i_karaoke_bg_color,
+ p_line, psz_unicode, &i_pen_x, i_pen_y, &i_posn,
+ &tmp_result ) != VLC_SUCCESS )
+ {
+ if( p_face ) FT_Done_Face( p_face );
+ free( pp_char_styles );
+ free( psz_unicode );
+#if defined(HAVE_FRIBIDI)
+ free( psz_text );
+#endif
+ free( pi_karaoke_bar );
+ return VLC_EGENERIC;
+ }
+
+ if( *psz_unicode )
+ {
+ p_result->x = __MAX( p_result->x, tmp_result.x );
+ p_result->y += tmp_result.y;
+
+ p_prev = p_line;
+ p_line = NULL;
+
+ if( *psz_unicode == '\n')
+ {
+ uint32_t *c_ptr;
+
+ for( c_ptr = psz_unicode; *c_ptr; c_ptr++ )
+ {
+ *c_ptr = *(c_ptr+1);
+ }
+ }
+ }
+ }
+ free( psz_unicode );
+ if( p_face ) FT_Done_Face( p_face );
+ i_prev = k;
+ }
+ }
+ free( pp_char_styles );
+#if defined(HAVE_FRIBIDI)
+ free( psz_text );
+#endif
+ if( p_line )
+ {
+ p_result->x = __MAX( p_result->x, tmp_result.x );
+ p_result->y += tmp_result.y;
+ }
+
+ if( pi_karaoke_bar )
+ {
+ int i = 0;
+ for( p_line = *pp_lines; p_line; p_line=p_line->p_next )
+ {
+ for( k = 0; p_line->pp_glyphs[ k ]; k++, i++ )
+ {
+ if( (pi_karaoke_bar[ i ] & 0x7f) == 0x7f)
+ {
+ /* do nothing */
+ }
+ else if( (pi_karaoke_bar[ i ] & 0x7f) == 0x00)
+ {
+ /* 100% BG colour will render faster if we
+ * instead make it 100% FG colour, so leave
+ * the ratio alone and copy the value across
+ */
+ p_line->p_fg_rgb[ k ] = p_line->p_bg_rgb[ k ];
+ }
+ else
+ {
+ if( pi_karaoke_bar[ i ] & 0x80 )
+ {
+ /* Swap Left and Right sides over for Right aligned
+ * language text (eg. Arabic, Hebrew)
+ */
+ uint32_t i_tmp = p_line->p_fg_rgb[ k ];
+
+ p_line->p_fg_rgb[ k ] = p_line->p_bg_rgb[ k ];
+ p_line->p_bg_rgb[ k ] = i_tmp;
+ }
+ p_line->p_fg_bg_ratio[ k ] = (pi_karaoke_bar[ i ] & 0x7f);
+ }
+ }
+ /* Jump over the '\n' at the line-end */
+ i++;
+ }
+ free( pi_karaoke_bar );
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
+ subpicture_region_t *p_region_in )
+{
+ int rv = VLC_SUCCESS;
+ stream_t *p_sub = NULL;
+ xml_t *p_xml = NULL;
+ xml_reader_t *p_xml_reader = NULL;
+
+ if( !p_region_in || !p_region_in->psz_html )
+ return VLC_EGENERIC;
+
+ /* Reset the default fontsize in case screen metrics have changed */
+ p_filter->p_sys->i_font_size = GetFontSize( p_filter );
+
+ p_sub = stream_MemoryNew( VLC_OBJECT(p_filter),
+ (uint8_t *) p_region_in->psz_html,
+ strlen( p_region_in->psz_html ),
+ true );
+ if( p_sub )
+ {
+ p_xml = xml_Create( p_filter );
+ if( p_xml )
+ {
+ bool b_karaoke = false;
+
+ p_xml_reader = xml_ReaderCreate( p_xml, p_sub );
+ if( p_xml_reader )
+ {
+ /* Look for Root Node */
+ if( xml_ReaderRead( p_xml_reader ) == 1 )
+ {
+ char *psz_node = xml_ReaderName( p_xml_reader );
+
+ if( !strcasecmp( "karaoke", psz_node ) )
+ {
+ /* We're going to have to render the text a number
+ * of times to show the progress marker on the text.
+ */
+ var_SetBool( p_filter, "text-rerender", true );
+ b_karaoke = true;
+ }
+ else if( !strcasecmp( "text", psz_node ) )
+ {
+ b_karaoke = false;
+ }
+ else
+ {
+ /* Only text and karaoke tags are supported */
+ msg_Dbg( p_filter, "Unsupported top-level tag '%s' ignored.", psz_node );
+ xml_ReaderDelete( p_xml, p_xml_reader );
+ p_xml_reader = NULL;
+ rv = VLC_EGENERIC;
+ }
+
+ free( psz_node );
+ }
+ }
+
+ if( p_xml_reader )
+ {
+ uint32_t *psz_text;
+ int i_len = 0;
+ uint32_t i_runs = 0;
+ uint32_t i_k_runs = 0;
+ uint32_t *pi_run_lengths = NULL;
+ uint32_t *pi_k_run_lengths = NULL;
+ uint32_t *pi_k_durations = NULL;
+ ft_style_t **pp_styles = NULL;
+ FT_Vector result;
+ line_desc_t *p_lines = NULL;
+
+ psz_text = (uint32_t *)malloc( strlen( p_region_in->psz_html ) *
+ sizeof( uint32_t ) );
+ if( psz_text )
+ {
+ uint32_t k;
+
+ rv = ProcessNodes( p_filter, p_xml_reader,
+ p_region_in->p_style, psz_text, &i_len,
+ &i_runs, &pi_run_lengths, &pp_styles,
+ b_karaoke, &i_k_runs, &pi_k_run_lengths,
+ &pi_k_durations );
+
+ p_region_out->i_x = p_region_in->i_x;
+ p_region_out->i_y = p_region_in->i_y;
+
+ if(( rv == VLC_SUCCESS ) && ( i_len > 0 ))
+ {
+ rv = ProcessLines( p_filter, psz_text, i_len, i_runs,
+ pi_run_lengths, pp_styles, &p_lines, &result,
+ b_karaoke, i_k_runs, pi_k_run_lengths,
+ pi_k_durations );
+ }
+
+ for( k=0; k<i_runs; k++)
+ DeleteStyle( pp_styles[k] );
+ free( pp_styles );
+ free( pi_run_lengths );
+ free( psz_text );
+
+ /* Don't attempt to render text that couldn't be layed out
+ * properly.
+ */
+ if(( rv == VLC_SUCCESS ) && ( i_len > 0 ))
+ {
+ if( config_GetInt( p_filter, "freetype-yuvp" ) )
+ {
+ Render( p_filter, p_region_out, p_lines,
+ result.x, result.y );
+ }
+ else
+ {
+ RenderYUVA( p_filter, p_region_out, p_lines,
+ result.x, result.y );
+ }
+ }
+ }
+ FreeLines( p_lines );
+
+ xml_ReaderDelete( p_xml, p_xml_reader );
+ }
+ xml_Delete( p_xml );
+ }
+ stream_Delete( p_sub );
+ }
+
+ return rv;
+}
+
+static char* FontConfig_Select( FcConfig* priv, const char* family,
+ bool b_bold, bool b_italic, int *i_idx )
+{
+ FcResult result;
+ FcPattern *pat, *p_pat;
+ FcChar8* val_s;
+ FcBool val_b;
+
+ pat = FcPatternCreate();
+ if (!pat) return NULL;
+
+ FcPatternAddString( pat, FC_FAMILY, (const FcChar8*)family );
+ FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
+ FcPatternAddInteger( pat, FC_SLANT, b_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN );
+ FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? FC_WEIGHT_EXTRABOLD : FC_WEIGHT_NORMAL );
+
+ FcDefaultSubstitute( pat );
+
+ if( !FcConfigSubstitute( priv, pat, FcMatchPattern ) )
+ {
+ FcPatternDestroy( pat );
+ return NULL;
+ }
+
+ p_pat = FcFontMatch( priv, pat, &result );
+ FcPatternDestroy( pat );
+ if( !p_pat ) return NULL;
+
+ if( ( FcResultMatch != FcPatternGetBool( p_pat, FC_OUTLINE, 0, &val_b ) )
+ || ( val_b != FcTrue ) )
+ {
+ FcPatternDestroy( p_pat );
+ return NULL;
+ }
+ if( FcResultMatch != FcPatternGetInteger( p_pat, FC_INDEX, 0, i_idx ) )
+ {
+ *i_idx = 0;
+ }
+
+ if( FcResultMatch != FcPatternGetString( p_pat, FC_FAMILY, 0, &val_s ) )
+ {
+ FcPatternDestroy( p_pat );
+ return NULL;
+ }
+
+ /*
+ if( strcasecmp((const char*)val_s, family ) != 0 )
+ msg_Warn( p_filter, "fontconfig: selected font family is not"
+ "the requested one: '%s' != '%s'\n",
+ (const char*)val_s, family );
+ */
+
+ if( FcResultMatch != FcPatternGetString( p_pat, FC_FILE, 0, &val_s ) )
+ {
+ FcPatternDestroy( p_pat );
+ return NULL;
+ }
+
+ FcPatternDestroy( p_pat );
+ return strdup( (const char*)val_s );
+}
+#endif
+
+static void FreeLine( line_desc_t *p_line )
+{
+ unsigned int i;
+ for( i = 0; p_line->pp_glyphs[ i ] != NULL; i++ )
+ {
+ FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
+ }
+ free( p_line->pp_glyphs );
+ free( p_line->p_glyph_pos );
+ free( p_line->p_fg_rgb );
+ free( p_line->p_bg_rgb );
+ free( p_line->p_fg_bg_ratio );
+ free( p_line->pi_underline_offset );
+ free( p_line->pi_underline_thickness );
+ free( p_line );
+}
+
+static void FreeLines( line_desc_t *p_lines )
+{
+ line_desc_t *p_line, *p_next;
+
+ if( !p_lines ) return;
+
+ for( p_line = p_lines; p_line != NULL; p_line = p_next )
+ {
+ p_next = p_line->p_next;
+ FreeLine( p_line );
+ }
+}
+
+static line_desc_t *NewLine( int i_count )
+{
+ line_desc_t *p_line = malloc( sizeof(line_desc_t) );
+
+ if( !p_line ) return NULL;
+ p_line->i_height = 0;
+ p_line->i_width = 0;
+ p_line->p_next = NULL;
+
+ p_line->pp_glyphs = malloc( sizeof(FT_BitmapGlyph) * ( i_count + 1 ) );
+ p_line->p_glyph_pos = malloc( sizeof( FT_Vector ) * ( i_count + 1 ) );
+ p_line->p_fg_rgb = malloc( sizeof( uint32_t ) * ( i_count + 1 ) );
+ p_line->p_bg_rgb = malloc( sizeof( uint32_t ) * ( i_count + 1 ) );
+ p_line->p_fg_bg_ratio = calloc( i_count + 1, sizeof( uint8_t ) );
+ p_line->pi_underline_offset = calloc( i_count + 1, sizeof( uint16_t ) );
+ p_line->pi_underline_thickness = calloc( i_count + 1, sizeof( uint16_t ) );
+ if( ( p_line->pp_glyphs == NULL ) ||
+ ( p_line->p_glyph_pos == NULL ) ||
+ ( p_line->p_fg_rgb == NULL ) ||
+ ( p_line->p_bg_rgb == NULL ) ||
+ ( p_line->p_fg_bg_ratio == NULL ) ||
+ ( p_line->pi_underline_offset == NULL ) ||
+ ( p_line->pi_underline_thickness == NULL ) )
+ {
+ free( p_line->pi_underline_thickness );
+ free( p_line->pi_underline_offset );
+ free( p_line->p_fg_rgb );
+ free( p_line->p_bg_rgb );
+ free( p_line->p_fg_bg_ratio );
+ free( p_line->p_glyph_pos );
+ free( p_line->pp_glyphs );
+ free( p_line );
+ return NULL;
+ }
+ p_line->pp_glyphs[0] = NULL;
+ p_line->b_new_color_mode = false;
+
+ return p_line;
+}
+
+static int GetFontSize( filter_t *p_filter )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+ vlc_value_t val;
+ int i_size = 0;
+
+ if( p_sys->i_default_font_size )
+ {
+ if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
+ i_size = p_sys->i_default_font_size * val.i_int / 1000;
+ else
+ i_size = p_sys->i_default_font_size;
+ }
+ else
+ {
+ var_Get( p_filter, "freetype-rel-fontsize", &val );
+ i_size = (int)p_filter->fmt_out.video.i_height / val.i_int;
+ p_filter->p_sys->i_display_height =
+ p_filter->fmt_out.video.i_height;
+ }
+ if( i_size <= 0 )
+ {
+ msg_Warn( p_filter, "invalid fontsize, using 12" );
+ if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
+ i_size = 12 * val.i_int / 1000;
+ else
+ i_size = 12;
+ }
+ return i_size;
+}
+
+static int SetFontSize( filter_t *p_filter, int i_size )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+
+ if( !i_size )
+ {
+ i_size = GetFontSize( p_filter );
+
+ msg_Dbg( p_filter, "using fontsize: %i", i_size );
+ }