+#include <time.h>
/*****************************************************************************
* freetype.c : Put text on the video, using freetype2
*****************************************************************************
*
* Authors: Sigmund Augdal Helberg <dnumgis@videolan.org>
* Gildas Bazin <gbazin@videolan.org>
- * Bernie Purcell <b dot purcell at adbglobal dot com>
+ * 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
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* malloc(), free() */
-#include <string.h>
#ifdef HAVE_LINUX_LIMITS_H
# include <linux/limits.h>
#include <vlc_filter.h>
#include <vlc_stream.h>
#include <vlc_xml.h>
+#include <vlc_input.h>
#include <math.h>
static int Create ( vlc_object_t * );
static void Destroy( vlc_object_t * );
+static int LoadFontsFromAttachments( filter_t *p_filter );
+
/* The RenderText call maps to pf_render_string, defined in vlc_filter.h */
static int RenderText( filter_t *, subpicture_region_t *,
subpicture_region_t * );
#endif
static line_desc_t *NewLine( int );
+static int GetFontSize( filter_t *p_filter );
static int SetFontSize( filter_t *, int );
+static void YUVFromRGB( uint32_t i_argb,
+ uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v );
/*****************************************************************************
* Module descriptor
* -- if the rendering mode supports it (RenderYUVA) and
* b_new_color_mode is set, then it becomes possible to
* have multicoloured text within the subtitles. */
- uint32_t *p_rgb;
+ uint32_t *p_fg_rgb;
+ uint32_t *p_bg_rgb;
+ uint8_t *p_fg_bg_ratio; /* 0x00=100% FG --> 0x7F=100% BG */
vlc_bool_t b_new_color_mode;
/** underline information -- only supplied if text should be underlined */
uint16_t *pi_underline_offset;
{
char *psz_name;
int i_size;
- int i_color;
- int i_alpha;
+ uint32_t i_color; /* ARGB */
+ uint32_t i_karaoke_bg_color; /* ARGB */
font_stack_t *p_next;
};
typedef struct
{
int i_font_size;
- uint32_t i_font_color; /* ARGB */
+ uint32_t i_font_color; /* ARGB */
+ uint32_t i_karaoke_bg_color; /* ARGB */
vlc_bool_t b_italic;
vlc_bool_t b_bold;
vlc_bool_t b_underline;
static int Render( filter_t *, subpicture_region_t *, line_desc_t *, int, int);
static void FreeLines( line_desc_t * );
static void FreeLine( line_desc_t * );
+#ifdef HAVE_FONTCONFIG
+static void FontBuilder( vlc_object_t *p_this);
+#endif
/*****************************************************************************
* filter_sys_t: freetype local data
int i_display_height;
#ifdef HAVE_FONTCONFIG
FcConfig *p_fontconfig;
+ vlc_bool_t b_fontconfig_ok;
+ vlc_mutex_t fontconfig_lock;
#endif
+
+ input_attachment_t **pp_font_attachments;
+ int i_font_attachments;
};
/*****************************************************************************
}
#ifdef HAVE_FONTCONFIG
- if( FcInit() )
- p_sys->p_fontconfig = FcConfigGetCurrent();
+ vlc_mutex_init( p_filter, &p_sys->fontconfig_lock );
+ p_sys->b_fontconfig_ok = VLC_FALSE;
+
+ p_sys->p_fontconfig = FcInitLoadConfig();
+
+ if( p_sys->p_fontconfig )
+ {
+ /* Normally this doesn't take very long, but an initial build of
+ * the fontconfig database or the addition of a lot of new fonts
+ * can cause it to take several minutes for a large number of fonts.
+ * Even a small number can take several seconds - much longer than
+ * we can afford to block, so we build the list in the background
+ * and if it succeeds we allow fontconfig to be used.
+ */
+ if( vlc_thread_create( p_filter, "fontlist builder", FontBuilder,
+ VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
+ {
+ /* Don't destroy the fontconfig object - we won't be able to do
+ * italics or bold or change the font face, but we will still
+ * be able to do underline and change the font size.
+ */
+ msg_Warn( p_filter, "fontconfig database builder thread can't "
+ "be launched. Font styling support will be limited." );
+ };
+ }
else
- p_sys->p_fontconfig = NULL;
+ {
+ msg_Warn( p_filter, "Couldn't initialise Fontconfig. "
+ "Font styling won't be available." );
+ }
#endif
i_error = FT_Init_FreeType( &p_sys->p_library );
if( i_error )
if( SetFontSize( p_filter, 0 ) != VLC_SUCCESS ) goto error;
if( psz_fontfile ) free( psz_fontfile );
+
+ p_sys->pp_font_attachments = NULL;
+ p_sys->i_font_attachments = 0;
+
p_filter->pf_render_text = RenderText;
#ifdef HAVE_FONTCONFIG
- p_filter->pf_render_html = RenderHtml;
-#else
- p_filter->pf_render_html = NULL;
+ if( p_sys->p_fontconfig )
+ p_filter->pf_render_html = RenderHtml;
+ else
#endif
+ p_filter->pf_render_html = NULL;
+
+ LoadFontsFromAttachments( p_filter );
+
return VLC_SUCCESS;
error:
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
+ if( p_sys->pp_font_attachments )
+ {
+ int k;
+
+ for( k = 0; k < p_sys->i_font_attachments; k++ )
+ {
+ vlc_input_attachment_Delete( p_sys->pp_font_attachments[k] );
+ }
+
+ free( p_sys->pp_font_attachments );
+ }
+
#ifdef HAVE_FONTCONFIG
- FcConfigDestroy( p_sys->p_fontconfig );
- p_sys->p_fontconfig = NULL;
+ vlc_mutex_destroy( &p_sys->fontconfig_lock );
+
+ if( p_sys->p_fontconfig )
+ {
+ FcConfigDestroy( p_sys->p_fontconfig );
+ p_sys->p_fontconfig = NULL;
+ }
/* FcFini asserts calling the subfunction FcCacheFini()
* even if no other library functions have been made since FcInit(),
* so don't call it. */
free( p_sys );
}
+#ifdef HAVE_FONTCONFIG
+
+static void FontBuilder( vlc_object_t *p_this)
+{
+ filter_t *p_filter = (filter_t*)p_this;
+ filter_sys_t *p_sys = p_filter->p_sys;
+ time_t t1, t2;
+
+ /* Find the session to announce */
+ vlc_mutex_lock( &p_sys->fontconfig_lock );
+
+ msg_Dbg( p_filter, "Building font database..." );
+ time(&t1);
+ if(! FcConfigBuildFonts( p_sys->p_fontconfig ))
+ {
+ /* Don't destroy the fontconfig object - we won't be able to do
+ * italics or bold or change the font face, but we will still
+ * be able to do underline and change the font size.
+ */
+ msg_Err( p_filter, "fontconfig database can't be built. "
+ "Font styling won't be available" );
+ }
+ time(&t2);
+
+ msg_Dbg( p_filter, "Finished building font database." );
+ if( t1 > 0 && t2 > 0 )
+ msg_Dbg( p_filter, "Took %ld seconds", t2 - t1 );
+
+ FcConfigSetCurrent( p_sys->p_fontconfig );
+ p_sys->b_fontconfig_ok = VLC_TRUE;
+
+ vlc_mutex_unlock( &p_sys->fontconfig_lock );
+}
+
+#endif
+
+/*****************************************************************************
+ * Make any TTF/OTF fonts present in the attachments of the media file
+ * and store them for later use by the FreeType Engine
+ *****************************************************************************/
+static int LoadFontsFromAttachments( filter_t *p_filter )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+ input_thread_t *p_input;
+ input_attachment_t **pp_attachments;
+ int i_attachments_cnt;
+ int k;
+ int rv = VLC_SUCCESS;
+
+ p_input = (input_thread_t *)vlc_object_find( p_filter, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( ! p_input )
+ return VLC_EGENERIC;
+
+ if( VLC_SUCCESS != input_Control( p_input, INPUT_GET_ATTACHMENTS, &pp_attachments, &i_attachments_cnt ))
+ {
+ vlc_object_release(p_input);
+ return VLC_EGENERIC;
+ }
+
+ p_sys->i_font_attachments = 0;
+ p_sys->pp_font_attachments = malloc( i_attachments_cnt * sizeof( input_attachment_t * ));
+ if(! p_sys->pp_font_attachments )
+ rv = VLC_ENOMEM;
+
+ for( k = 0; k < i_attachments_cnt; k++ )
+ {
+ input_attachment_t *p_attach = pp_attachments[k];
+
+ if( p_sys->pp_font_attachments )
+ {
+ if(( !strcmp( p_attach->psz_mime, "application/x-truetype-font" ) || // TTF
+ !strcmp( p_attach->psz_mime, "application/x-font-otf" ) ) && // OTF
+ ( p_attach->i_data > 0 ) &&
+ ( p_attach->p_data != NULL ) )
+ {
+ p_sys->pp_font_attachments[ p_sys->i_font_attachments++ ] = p_attach;
+ }
+ else
+ {
+ vlc_input_attachment_Delete( p_attach );
+ }
+ }
+ else
+ {
+ vlc_input_attachment_Delete( p_attach );
+ }
+ }
+ free( pp_attachments );
+
+ vlc_object_release(p_input);
+
+ return rv;
+}
+
/*****************************************************************************
* Render: place string in picture
*****************************************************************************
free( p_region_tmp );
/* Calculate text color components */
- i_y = (uint8_t)__MIN(abs( 2104 * p_line->i_red + 4130 * p_line->i_green +
- 802 * p_line->i_blue + 4096 + 131072 ) >> 13, 235);
- i_u = (uint8_t)__MIN(abs( -1214 * p_line->i_red + -2384 * p_line->i_green +
- 3598 * p_line->i_blue + 4096 + 1048576) >> 13, 240);
- i_v = (uint8_t)__MIN(abs( 3598 * p_line->i_red + -3013 * p_line->i_green +
- -585 * p_line->i_blue + 4096 + 1048576) >> 13, 240);
+ YUVFromRGB( (p_line->i_red << 16) |
+ (p_line->i_green << 8) |
+ (p_line->i_blue ),
+ &i_y, &i_u, &i_v);
i_alpha = p_line->i_alpha;
p_dst_y = p_region->picture.Y_PIXELS;
if( p_line->b_new_color_mode )
{
/* Every glyph can (and in fact must) have its own color */
- int i_red = ( p_line->p_rgb[ i ] & 0x00ff0000 ) >> 16;
- int i_green = ( p_line->p_rgb[ i ] & 0x0000ff00 ) >> 8;
- int i_blue = ( p_line->p_rgb[ i ] & 0x000000ff );
-
- i_y = (uint8_t)__MIN(abs( 2104 * i_red + 4130 * i_green +
- 802 * i_blue + 4096 + 131072 ) >> 13, 235);
- i_u = (uint8_t)__MIN(abs( -1214 * i_red + -2384 * i_green +
- 3598 * i_blue + 4096 + 1048576) >> 13, 240);
- i_v = (uint8_t)__MIN(abs( 3598 * i_red + -3013 * i_green +
- -585 * i_blue + 4096 + 1048576) >> 13, 240);
+ YUVFromRGB( p_line->p_fg_rgb[ i ], &i_y, &i_u, &i_v );
}
for( y = 0, i_bitmap_offset = 0; y < p_glyph->bitmap.rows; y++ )
{
for( x = 0; x < p_glyph->bitmap.width; x++, i_bitmap_offset++ )
{
+ uint8_t i_y_local = i_y;
+ uint8_t i_u_local = i_u;
+ uint8_t i_v_local = i_v;
+
+ if( p_line->p_fg_bg_ratio != 0x00 )
+ {
+ int i_split = p_glyph->bitmap.width *
+ p_line->p_fg_bg_ratio[ i ] / 0x7f;
+
+ if( x > i_split )
+ {
+ YUVFromRGB( p_line->p_bg_rgb[ i ],
+ &i_y_local, &i_u_local, &i_v_local );
+ }
+ }
+
if( p_glyph->bitmap.buffer[i_bitmap_offset] )
{
p_dst_y[i_offset+x] = ((p_dst_y[i_offset+x] *(255-(int)p_glyph->bitmap.buffer[i_bitmap_offset])) +
char *psz_string;
vlc_iconv_t iconv_handle = (vlc_iconv_t)(-1);
int i_font_color, i_font_alpha, i_font_size, i_red, i_green, i_blue;
+ vlc_value_t val;
+ int i_scale = 1000;
FT_BBox line;
FT_BBox glyph_size;
psz_string = p_region_in->psz_text;
if( !psz_string || !*psz_string ) return VLC_EGENERIC;
+ if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
+ i_scale = val.i_int;
+
if( p_region_in->p_style )
{
i_font_color = __MAX( __MIN( p_region_in->p_style->i_font_color, 0xFFFFFF ), 0 );
i_font_alpha = __MAX( __MIN( p_region_in->p_style->i_font_alpha, 255 ), 0 );
- i_font_size = __MAX( __MIN( p_region_in->p_style->i_font_size, 255 ), 0 );
+ i_font_size = __MAX( __MIN( p_region_in->p_style->i_font_size, 255 ), 0 ) * i_scale / 1000;
}
else
{
i_font_color = p_sys->i_font_color;
i_font_alpha = 255 - p_sys->i_font_opacity;
- i_font_size = p_sys->i_default_font_size;
+ i_font_size = p_sys->i_default_font_size * i_scale / 1000;
}
if( i_font_color == 0xFFFFFF ) i_font_color = p_sys->i_font_color;
#ifdef HAVE_FONTCONFIG
static ft_style_t *CreateStyle( char *psz_fontname, int i_font_size,
- int i_font_color, int i_font_alpha, vlc_bool_t b_bold,
+ uint32_t i_font_color, uint32_t i_karaoke_bg_color, vlc_bool_t b_bold,
vlc_bool_t b_italic, vlc_bool_t b_uline )
{
ft_style_t *p_style = malloc( sizeof( ft_style_t ));
if( p_style )
{
- p_style->i_font_size = i_font_size;
- p_style->i_font_color = ( i_font_color & 0x00ffffff )
- | (( i_font_alpha & 0xff ) << 24 );
- p_style->b_italic = b_italic;
- p_style->b_bold = b_bold;
- p_style->b_underline = b_uline;
- /* p_style has just been malloc'ed in this function -
- * it CAN'T have a previous assignment, and hence we
- * don't need to do a free() for any previous value -
- * which will in fact be undefined. */
+ p_style->i_font_size = i_font_size;
+ p_style->i_font_color = i_font_color;
+ p_style->i_karaoke_bg_color = i_karaoke_bg_color;
+ p_style->b_italic = b_italic;
+ p_style->b_bold = b_bold;
+ p_style->b_underline = b_uline;
+
p_style->psz_fontname = strdup( psz_fontname );
}
return p_style;
}
static int PushFont( font_stack_t **p_font, const char *psz_name, int i_size,
- int i_color, int i_alpha )
+ uint32_t i_color, uint32_t i_karaoke_bg_color )
{
font_stack_t *p_new;
else
p_new->psz_name = NULL;
- p_new->i_size = i_size;
- p_new->i_color = i_color;
- p_new->i_alpha = i_alpha;
+ 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 )
{
}
static int PeekFont( font_stack_t **p_font, char **psz_name, int *i_size,
- int *i_color, int *i_alpha )
+ uint32_t *i_color, uint32_t *i_karaoke_bg_color )
{
font_stack_t *p_last;
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_alpha = p_last->i_alpha;
+ *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 ft_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
- font_stack_t **p_fonts, vlc_bool_t b_bold, vlc_bool_t b_italic,
+ font_stack_t **p_fonts, vlc_bool_t b_bold, vlc_bool_t b_italic,
vlc_bool_t b_uline )
{
ft_style_t *p_style = NULL;
- char *psz_fontname = NULL;
- int i_font_color = p_sys->i_font_color;
- int i_font_alpha = 0;
- int i_font_size = p_sys->i_font_size;
+ 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_font_alpha ) )
+ &i_font_color, &i_karaoke_bg_color ))
{
p_style = CreateStyle( psz_fontname, i_font_size, i_font_color,
- i_font_alpha, b_bold, b_italic, b_uline );
+ 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,
- vlc_bool_t b_uline, line_desc_t *p_line,
- uint32_t *psz_unicode, int *pi_pen_x, int i_pen_y,
- int *pi_start, FT_Vector *p_result )
+ vlc_bool_t 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;
( aSize < 0 ) ? -aSize : aSize;
}
p_line->pp_glyphs[ i ] = (FT_BitmapGlyph)tmp_glyph;
- p_line->p_rgb[ i ] = i_font_color & 0x00ffffff;
+ 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;
}
static int HandleFontAttributes( xml_reader_t *p_xml_reader,
- font_stack_t **p_fonts )
+ font_stack_t **p_fonts, int i_scale )
{
- int rv;
- char *psz_fontname = NULL;
- int i_font_color = 0xffffff;
- int i_font_alpha = 0;
- int i_font_size = 24;
+ 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
&psz_fontname,
&i_font_size,
&i_font_color,
- &i_font_alpha ))
+ &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 );
+ char *psz_name = xml_ReaderName( p_xml_reader );
+ char *psz_value = xml_ReaderValue( p_xml_reader );
if( psz_name && psz_value )
{
}
rv = PushFont( p_fonts,
psz_fontname,
- i_font_size,
- i_font_color,
- i_font_alpha );
+ i_font_size * i_scale / 1000,
+ (i_font_color & 0xffffff) | ((i_font_alpha & 0xff) << 24),
+ i_karaoke_bg_color );
free( psz_fontname );
if( p_style ) DeleteStyle( p_style );
}
-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)
+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;
+ }
+ }
+ if( psz_name ) free( psz_name );
+ if( psz_value ) 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,
+
+ vlc_bool_t 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;
vlc_bool_t b_bold = VLC_FALSE;
vlc_bool_t b_uline = VLC_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,
- p_font_style->i_font_color,
- p_font_style->i_font_alpha );
+ 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 = VLC_TRUE;
rv = PushFont( &p_fonts,
FC_DEFAULT_FONT,
p_sys->i_font_size,
- 0xffffff,
- 0 );
+ 0x00ffffff,
+ 0x00ffffff );
}
if( rv != VLC_SUCCESS )
return rv;
if( psz_node )
{
if( !strcasecmp( "font", psz_node ) )
- rv = HandleFontAttributes( p_xml_reader, &p_fonts );
+ rv = HandleFontAttributes( p_xml_reader, &p_fonts, i_scale );
else if( !strcasecmp( "b", psz_node ) )
b_bold = VLC_TRUE;
else if( !strcasecmp( "i", psz_node ) )
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;
}
}
+ if( b_karaoke )
+ {
+ SetKaraokeLen( *pi_runs, *ppi_run_lengths,
+ *pi_k_runs, *ppi_k_run_lengths );
+ }
*pi_len = psz_text - psz_text_orig;
return rv;
}
-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 )
+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 )
+ {
+ vlc_bool_t 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,
+
+ vlc_bool_t 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;
+ 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;
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++ )
#if defined(HAVE_FRIBIDI)
{
ft_style_t **pp_char_styles_new;
- int *p_positions;
+ int *p_old_positions;
uint32_t *p_fribidi_string;
int start_pos, pos = 0;
- p_fribidi_string = malloc( (i_len + 1) * sizeof(uint32_t) );
- if(! p_fribidi_string )
- {
- msg_Err( p_filter, "out of memory" );
- free( pp_char_styles );
- return VLC_ENOMEM;
- }
pp_char_styles_new = (ft_style_t **)
- malloc( i_len * sizeof( ft_style_t * ));
- if(! pp_char_styles_new )
- {
- msg_Err( p_filter, "out of memory" );
- free( p_fribidi_string );
- free( pp_char_styles );
- return VLC_ENOMEM;
- }
- p_positions = (int *) malloc( (i_len + 1) * sizeof( int ) );
- if(! p_positions )
+ 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 )
{
msg_Err( p_filter, "out of memory" );
- free( pp_char_styles_new );
- free( p_fribidi_string );
+ if( p_levels ) free( p_levels );
+ if( p_old_positions ) free( p_old_positions );
+ if( p_new_positions ) free( p_new_positions );
+ if( p_fribidi_string ) free( p_fribidi_string );
+ if( pp_char_styles_new ) free( pp_char_styles_new );
+ if( pi_karaoke_bar ) free( pi_karaoke_bar );
+
free( pp_char_styles );
return VLC_ENOMEM;
}
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;
fribidi_log2vis((FriBidiChar*)psz_text + start_pos,
pos - start_pos, &base_dir,
(FriBidiChar*)p_fribidi_string + start_pos,
- 0,
- p_positions, 0);
-
+ 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_positions[ j - start_pos ] ];
+ p_old_positions[ j - start_pos ] ];
+ p_new_positions[ j ] += start_pos;
}
}
}
- free( p_positions );
+ 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 ];
+ }
+ }
+ if( p_levels ) free( p_levels );
+ if( p_new_positions ) free( p_new_positions );
+
FT_Vector tmp_result;
line_desc_t *p_line = NULL;
/* End of the current style run */
FT_Face p_face = NULL;
int i_idx = 0;
- char *psz_fontfile = FontConfig_Select( p_sys->p_fontconfig,
- p_style->psz_fontname,
- p_style->b_bold,
- p_style->b_italic,
- &i_idx );
- if( psz_fontfile )
+
+ /* Look for a match amongst our attachments first */
+ CheckForEmbeddedFont( p_sys, &p_face, p_style );
+
+ if( ! p_face && p_sys->b_fontconfig_ok )
{
- if( FT_New_Face( p_sys->p_library,
- psz_fontfile ? psz_fontfile : "", i_idx, &p_face ) )
+ char *psz_fontfile;
+
+ vlc_mutex_lock( &p_sys->fontconfig_lock );
+
+ 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->fontconfig_lock );
+
+ if( psz_fontfile )
{
- free( psz_fontfile );
- free( pp_char_styles );
+ 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 );
+ free( psz_text );
#endif
- return VLC_EGENERIC;
+ if( pi_karaoke_bar )
+ free( pi_karaoke_bar );
+ return VLC_EGENERIC;
+ }
+ free( psz_fontfile );
}
- 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,
#if defined(HAVE_FRIBIDI)
free( psz_text );
#endif
+ if( pi_karaoke_bar )
+ free( pi_karaoke_bar );
return VLC_EGENERIC;
}
p_sys->i_use_kerning =
#if defined(HAVE_FRIBIDI)
free( psz_text );
#endif
+ if( pi_karaoke_bar )
+ free( pi_karaoke_bar );
return VLC_ENOMEM;
}
memcpy( psz_unicode, psz_text + i_prev,
#if defined(HAVE_FRIBIDI)
free( psz_text );
#endif
+ if( pi_karaoke_bar )
+ free( pi_karaoke_bar );
return VLC_ENOMEM;
}
/* New Color mode only works in YUVA rendering mode --
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 defined(HAVE_FRIBIDI)
free( psz_text );
#endif
+ if( pi_karaoke_bar )
+ free( pi_karaoke_bar );
return VLC_EGENERIC;
}
+
if( *psz_unicode )
{
p_result->x = __MAX( p_result->x, tmp_result.x );
#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;
}
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 ),
p_xml = xml_Create( p_filter );
if( p_xml )
{
+ vlc_bool_t b_karaoke = VLC_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", VLC_TRUE );
+ b_karaoke = VLC_TRUE;
+ }
+ else if( !strcasecmp( "text", psz_node ) )
+ {
+ b_karaoke = VLC_FALSE;
+ }
+ else
+ {
+ /* Only text and karaoke tags are supported */
+ 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;
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;
rv = ProcessNodes( p_filter, p_xml_reader,
p_region_in->p_style, psz_text, &i_len,
- &i_runs, &pi_run_lengths, &pp_styles );
+ &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 )
+ 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 );
+ 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++)
/* Don't attempt to render text that couldn't be layed out
* properly.
*/
- if( rv == VLC_SUCCESS )
+ if(( rv == VLC_SUCCESS ) && ( i_len > 0 ))
{
if( config_GetInt( p_filter, "freetype-yuvp" ) )
{
}
free( p_line->pp_glyphs );
free( p_line->p_glyph_pos );
- free( p_line->p_rgb );
+ 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 );
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_rgb = malloc( sizeof( uint32_t ) * ( 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_rgb == 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 ) )
{
if( p_line->pi_underline_thickness )
free( p_line->pi_underline_thickness );
if( p_line->pi_underline_offset ) free( p_line->pi_underline_offset );
- if( p_line->p_rgb ) free( p_line->p_rgb );
+ if( p_line->p_fg_rgb ) free( p_line->p_fg_rgb );
+ if( p_line->p_bg_rgb ) free( p_line->p_bg_rgb );
+ if( p_line->p_fg_bg_ratio ) free( p_line->p_fg_bg_ratio );
if( p_line->p_glyph_pos ) free( p_line->p_glyph_pos );
if( p_line->pp_glyphs ) free( p_line->pp_glyphs );
free( p_line );
return p_line;
}
-static int SetFontSize( filter_t *p_filter, int i_size )
+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( i_size && i_size == p_sys->i_font_size ) return VLC_SUCCESS;
-
- if( !i_size )
+ if( p_sys->i_default_font_size )
{
- vlc_value_t val;
-
- if( !p_sys->i_default_font_size &&
- p_sys->i_display_height == (int)p_filter->fmt_out.video.i_height )
- return VLC_SUCCESS;
-
- 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
- {
- 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" );
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 );
}
return VLC_SUCCESS;
}
+
+static void YUVFromRGB( uint32_t i_argb,
+ uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v )
+{
+ int i_red = ( i_argb & 0x00ff0000 ) >> 16;
+ int i_green = ( i_argb & 0x0000ff00 ) >> 8;
+ int i_blue = ( i_argb & 0x000000ff );
+
+ *pi_y = (uint8_t)__MIN(abs( 2104 * i_red + 4130 * i_green +
+ 802 * i_blue + 4096 + 131072 ) >> 13, 235);
+ *pi_u = (uint8_t)__MIN(abs( -1214 * i_red + -2384 * i_green +
+ 3598 * i_blue + 4096 + 1048576) >> 13, 240);
+ *pi_v = (uint8_t)__MIN(abs( 3598 * i_red + -3013 * i_green +
+ -585 * i_blue + 4096 + 1048576) >> 13, 240);
+}
projects / vlc / blobdiff