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MKV USF subtitles support and other Subtitles improvements. 

Patch by Bernie Purcell, with two small modifications by thedj.
This commit is contained in:
Jean-Baptiste Kempf 2007-03-13 21:28:34 +00:00
parent c3ce1f59a6
commit cf9e0c8116
12 changed files with 1303 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
NEWS
View File

@ -35,6 +35,7 @@ Input/Demuxers:
Decoders:
* VP60/VP61 codecs support
* Teletext subtitles (telx) support
* MKV USF subtitles support
Video output:
* Adjust, Invert and Distort (now splitted into Wave, Ripple, Gradient
@ -43,6 +44,7 @@ Video output:
* Rewrite motion detection video filter
* New extract video filter (extract Red, Green and Blue components from a video)
* New sharpen video filter (increase the contrast of adjacent pixels)
* Enhancements to subtitles' renderer to support bold, italics and some HTML tags
Stream output:
* UDP-Lite (requires OS support) for RTP/TS encapsulation

1
THANKS
View File

@ -30,6 +30,7 @@ Basil Achermann <vlc at acherma dot com> - Patch to handle esc and space key eve
Barak Ori <barakori at gmail dot com> - Bidi fixes
Benjamin Mironer <bmironer at noos.fr> - Mac OS X fixes
Benoit Steiner <benny at via.ecp.fr> - MPEG system input, network input
Bernie Purcell <b dot purcell at adbglobal dot com> - MKV USF subtitles support,HTML tags for subtitles and subtitles renderer enhancements
Bill <wenwuangel at hotmail .com> - memleak fixes
Bill Eldridge <bill at rfa.org> - documentation
Bob Maguire <maguirer at rjmaguire dot com> - addition of some controls to the OSX interface

3
configure.ac
View File

@ -3948,6 +3948,9 @@ then
VLC_ADD_PLUGINS([freetype])
VLC_ADD_CFLAGS([freetype],[`${FREETYPE_CONFIG} --cflags`])
VLC_ADD_LDFLAGS([freetype],[`${FREETYPE_CONFIG} --libs`])
AC_CHECK_HEADERS(fontconfig/fontconfig.h,
[VLC_ADD_CFLAGS([freetype],[-DHAVE_FONTCONFIG])
VLC_ADD_LDFLAGS([freetype],[-lfontconfig])])
AC_CHECK_HEADERS(Carbon/Carbon.h,
[VLC_ADD_LDFLAGS([freetype],[-framework Carbon])])
elif test "${enable_freetype}" = "yes"

2
include/vlc_filter.h
View File

@ -68,6 +68,8 @@ struct filter_t
subpicture_t * ( *pf_sub_filter ) ( filter_t *, mtime_t );
int ( *pf_render_text ) ( filter_t *, subpicture_region_t *,
subpicture_region_t * );
int ( *pf_render_html ) ( filter_t *, subpicture_region_t *,
subpicture_region_t * );
/*
* Buffers allocation

1
include/vlc_vout.h
View File

@ -213,6 +213,7 @@ struct subpicture_region_t
int i_align; /**< alignment within a region */
char *psz_text; /**< text string comprising this region */
char *psz_html; /**< HTML version of subtitle (NULL = use psz_text) */
text_style_t *p_style; /* a description of the text style formatting */
subpicture_region_t *p_next; /**< next region in the list */

399
modules/codec/subsdec.c
View File

@ -33,6 +33,8 @@
#include <vlc_osd.h>
#include <vlc_filter.h>
#include <vlc_charset.h>
#include <vlc_stream.h>
#include <vlc_xml.h>
#include <errno.h>
#include <string.h>
@ -70,7 +72,10 @@ static void CloseDecoder ( vlc_object_t * );
static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
static subpicture_t *ParseText ( decoder_t *, block_t * );
static void ParseSSAHeader ( decoder_t * );
static void ParseUSFHeader ( decoder_t * );
static void ParseUSFHeaderTags( decoder_sys_t *, xml_reader_t * );
static void ParseSSAString ( decoder_t *, char *, subpicture_t * );
static void ParseUSFString ( decoder_t *, char *, subpicture_t * );
static void ParseColor ( decoder_t *, char *, int *, int * );
static void StripTags ( char * );
@ -175,6 +180,7 @@ static int OpenDecoder( vlc_object_t *p_this )
vlc_value_t val;
if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','u','b','t') &&
p_dec->fmt_in.i_codec != VLC_FOURCC('u','s','f',' ') &&
p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
{
return VLC_EGENERIC;
@ -268,6 +274,11 @@ static int OpenDecoder( vlc_object_t *p_this )
if( p_dec->fmt_in.i_extra > 0 )
ParseSSAHeader( p_dec );
}
else if( p_dec->fmt_in.i_codec == VLC_FOURCC('u','s','f',' ') && var_CreateGetBool( p_dec, "subsdec-formatted" ) )
{
if( p_dec->fmt_in.i_extra > 0 )
ParseUSFHeader( p_dec );
}
return VLC_SUCCESS;
}
@ -431,7 +442,8 @@ static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
}
/* Decode and format the subpicture unit */
if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') )
if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','s','a',' ') &&
p_dec->fmt_in.i_codec != VLC_FOURCC('u','s','f',' ') )
{
/* Normal text subs, easy markup */
p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
@ -442,6 +454,7 @@ static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
StripTags( psz_subtitle );
p_spu->p_region->psz_text = psz_subtitle;
p_spu->p_region->psz_html = NULL;
p_spu->i_start = p_block->i_pts;
p_spu->i_stop = p_block->i_pts + p_block->i_length;
p_spu->b_ephemer = (p_block->i_length == 0);
@ -449,8 +462,12 @@ static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
}
else
{
/* Decode SSA strings */
ParseSSAString( p_dec, psz_subtitle, p_spu );
/* Decode SSA/USF strings */
if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','s','a',' ') )
ParseSSAString( p_dec, psz_subtitle, p_spu );
else
ParseUSFString( p_dec, psz_subtitle, p_spu );
p_spu->i_start = p_block->i_pts;
p_spu->i_stop = p_block->i_pts + p_block->i_length;
p_spu->b_ephemer = (p_block->i_length == 0);
@ -462,6 +479,111 @@ static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
return p_spu;
}
static void ParseUSFString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *p_spu_in )
{
decoder_sys_t *p_sys = p_dec->p_sys;
subpicture_t *p_spu = p_spu_in;
char *psz_text;
char *psz_text_start;
ssa_style_t *p_style = NULL;
int i;
/* Create a text only copy of the subtitle (for legacy implementations) and copy
* the rich html version across as is - for parsing by a rendering engine capable
* of understanding it.
*/
p_spu->p_region->psz_text = NULL;
p_spu->p_region->psz_html = strdup( psz_subtitle );
for( i = 0; i < p_sys->i_ssa_styles; i++ )
{
if( !strcasecmp( p_sys->pp_ssa_styles[i]->psz_stylename, "Default" ) )
p_style = p_sys->pp_ssa_styles[i];
}
/* The StripTags() function doesn't handle HTML tags that have attribute/values with
* them, or properly translate <br/> sequences into newlines, or handle &' sequences
* so do it here ourselves.
*/
psz_text_start = malloc( strlen( psz_subtitle ));
psz_text = psz_text_start;
while( *psz_subtitle )
{
if( *psz_subtitle == '<' )
{
if( !strncasecmp( psz_subtitle, "<br/>", 5 ))
*psz_text++ = '\n';
else if( strncasecmp( psz_subtitle, "<text ", 6 ))
{
char *psz_style = strcasestr( psz_subtitle, "style=\"" );
if( psz_style && ( psz_style < strchr( psz_subtitle, '>' ) ))
{
int i_len;
psz_style += strspn( psz_style, "\"" ) + 1;
i_len = strspn( psz_style, "\"" );
psz_style[ i_len ] = '\0';
for( i = 0; i < p_sys->i_ssa_styles; i++ )
{
if( !strcmp( p_sys->pp_ssa_styles[i]->psz_stylename, psz_style ) )
p_style = p_sys->pp_ssa_styles[i];
}
psz_style[ i_len ] = '\"';
}
}
psz_subtitle += strcspn( psz_subtitle, ">" );
}
else if( *psz_subtitle == '&' )
{
if( !strncasecmp( psz_subtitle, "&lt;", 4 ))
*psz_text++ = '<';
else if( !strncasecmp( psz_subtitle, "&gt;", 4 ))
*psz_text++ = '>';
else if( !strncasecmp( psz_subtitle, "&amp;", 5 ))
*psz_text++ = '&';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else if( ( *psz_subtitle == '\t' ) ||
( *psz_subtitle == '\r' ) ||
( *psz_subtitle == '\n' ) ||
( *psz_subtitle == ' ' ) )
{
if( ( psz_text_start < psz_text ) &&
( *(psz_text-1) != ' ' ) )
{
*psz_text++ = ' ';
}
}
else
*psz_text++ = *psz_subtitle;
psz_subtitle++;
}
*psz_text = '\0';
p_spu->p_region->psz_text = strdup( psz_text_start );
free( psz_text_start );
if( p_style == NULL )
{
p_spu->i_flags = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
p_spu->i_x = p_sys->i_align ? 20 : 0;
p_spu->i_y = 10;
}
else
{
msg_Dbg( p_dec, "style is: %s", p_style->psz_stylename);
p_spu->p_region->p_style = &p_style->font_style;
p_spu->i_flags = p_style->i_align;
}
}
static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *p_spu_in )
{
/* We expect MKV formatted SSA:
@ -480,6 +602,8 @@ static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *
psz_buffer_sub = psz_subtitle;
p_spu->p_region->psz_html = NULL;
i_comma = 0;
while( i_comma < 8 && *psz_buffer_sub != '\0' )
{
@ -614,6 +738,275 @@ static void ParseColor( decoder_t *p_dec, char *psz_color, int *pi_color, int *p
*pi_alpha = ( i_color & 0xFF000000 ) >> 24;
}
/*****************************************************************************
* ParseUSFHeader: Retrieve global formatting information etc
*****************************************************************************/
static void ParseUSFHeader( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
stream_t *p_sub = NULL;
xml_t *p_xml = NULL;
xml_reader_t *p_xml_reader = NULL;
p_sub = stream_MemoryNew( VLC_OBJECT(p_dec),
p_dec->fmt_in.p_extra,
p_dec->fmt_in.i_extra,
VLC_FALSE );
if( p_sub )
{
p_xml = xml_Create( p_dec );
if( p_xml )
{
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( "usfsubtitles", psz_node ) )
ParseUSFHeaderTags( p_sys, p_xml_reader );
free( psz_node );
}
xml_ReaderDelete( p_xml, p_xml_reader );
}
xml_Delete( p_xml );
}
stream_Delete( p_sub );
}
}
static void ParseUSFHeaderTags( decoder_sys_t *p_sys, xml_reader_t *p_xml_reader )
{
char *psz_node;
ssa_style_t *p_style = NULL;
int i_style_level = 0;
int i_metadata_level = 0;
while ( xml_ReaderRead( p_xml_reader ) == 1 )
{
switch ( xml_ReaderNodeType( p_xml_reader ) )
{
case XML_READER_TEXT:
case XML_READER_NONE:
break;
case XML_READER_ENDELEM:
psz_node = xml_ReaderName( p_xml_reader );
if( psz_node )
{
switch (i_style_level)
{
case 0:
if( !strcasecmp( "metadata", psz_node ) && (i_metadata_level == 1) )
{
i_metadata_level--;
}
break;
case 1:
if( !strcasecmp( "styles", psz_node ) )
{
i_style_level--;
}
break;
case 2:
if( !strcasecmp( "style", psz_node ) )
{
p_style->font_style.i_text_align = p_style->i_align;
TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
p_style = NULL;
i_style_level--;
}
break;
}
free( psz_node );
}
break;
case XML_READER_STARTELEM:
psz_node = xml_ReaderName( p_xml_reader );
if( psz_node )
{
if( !strcasecmp( "metadata", psz_node ) && (i_style_level == 0) )
{
i_metadata_level++;
}
else if( !strcasecmp( "resolution", psz_node ) && (i_metadata_level == 1) )
{
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( "x", psz_name ) )
p_sys->i_original_width = atoi( psz_value );
else if( !strcasecmp( "y", psz_name ) )
p_sys->i_original_height = atoi( psz_value );
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
}
}
else if( !strcasecmp( "styles", psz_node ) && (i_style_level == 0) )
{
i_style_level++;
}
else if( !strcasecmp( "style", psz_node ) && (i_style_level == 1) )
{
i_style_level++;
p_style = calloc( 1, sizeof(ssa_style_t) );
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( "name", psz_name ) )
p_style->psz_stylename = strdup( psz_value);
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
}
}
else if( !strcasecmp( "fontstyle", psz_node ) && (i_style_level == 2) )
{
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 ) )
p_style->font_style.psz_fontname = strdup( psz_value);
else if( !strcasecmp( "size", psz_name ) )
p_style->font_style.i_font_size = atoi( psz_value);
else if( !strcasecmp( "italic", psz_name ) )
{
if( !strcasecmp( "yes", psz_value ))
p_style->font_style.i_style_flags |= STYLE_ITALIC;
}
else if( !strcasecmp( "weight", psz_name ) )
{
if( !strcasecmp( "bold", psz_value ))
p_style->font_style.i_style_flags |= STYLE_BOLD;
}
else if( !strcasecmp( "underline", psz_name ) )
{
if( !strcasecmp( "yes", psz_value ))
p_style->font_style.i_style_flags |= STYLE_UNDERLINE;
}
else if( !strcasecmp( "color", psz_name ) )
{
if( *psz_value == '#' )
{
unsigned long col = strtol(psz_value+1, NULL, 16);
p_style->font_style.i_font_color = (col & 0x00ffffff);
// From DTD: <!-- alpha range = 0..100 -->
p_style->font_style.i_font_alpha = ((col >> 24) & 0xff) * 255 / 100;
}
}
else if( !strcasecmp( "outline-color", psz_name ) )
{
if( *psz_value == '#' )
{
unsigned long col = strtol(psz_value+1, NULL, 16);
p_style->font_style.i_outline_color = (col & 0x00ffffff);
// From DTD: <!-- alpha range = 0..100 -->
p_style->font_style.i_outline_alpha = ((col >> 24) & 0xff) * 255 / 100;
}
}
else if( !strcasecmp( "shadow-color", psz_name ) )
{
if( *psz_value == '#' )
{
unsigned long col = strtol(psz_value+1, NULL, 16);
p_style->font_style.i_shadow_color = (col & 0x00ffffff);
// From DTD: <!-- alpha range = 0..100 -->
p_style->font_style.i_shadow_alpha = ((col >> 24) & 0xff) * 255 / 100;
}
}
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
}
}
else if( !strcasecmp( "position", psz_node ) && (i_style_level == 2) )
{
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( "alignment", psz_name ) )
{
if( !strcasecmp( "TopLeft", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_TOP;
p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
}
else if( !strcasecmp( "TopCenter", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_TOP;
}
else if( !strcasecmp( "TopRight", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_TOP;
p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
}
else if( !strcasecmp( "MiddleLeft", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
}
else if( !strcasecmp( "MiddleCenter", psz_value ) )
{
p_style->i_align = 0;
}
else if( !strcasecmp( "MiddleRight", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
}
else if( !strcasecmp( "BottomLeft", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
p_style->i_align |= SUBPICTURE_ALIGN_LEFT;
}
else if( !strcasecmp( "BottomCenter", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
}
else if( !strcasecmp( "BottomRight", psz_value ) )
{
p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
p_style->i_align |= SUBPICTURE_ALIGN_RIGHT;
}
}
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
}
}
free( psz_node );
}
break;
}
}
if( p_style ) free( p_style );
}
/*****************************************************************************
* ParseSSAHeader: Retrieve global formatting information etc
*****************************************************************************/

11
modules/demux/mkv.cpp
View File

@ -2489,6 +2489,17 @@ bool matroska_segment_c::Select( mtime_t i_start_time )
tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
}
else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
{
tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
if( tracks[i_track]->i_extra_data )
{
tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
}
}
else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
!strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
!strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||

1
modules/misc/dummy/renderer.c
View File

@ -35,6 +35,7 @@ int E_(OpenRenderer)( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
p_filter->pf_render_text = RenderText;
p_filter->pf_render_html = NULL;
return VLC_SUCCESS;
}

882
modules/misc/freetype.c
View File

@ -37,6 +37,8 @@
#include <vlc_osd.h>
#include <vlc_block.h>
#include <vlc_filter.h>
#include <vlc_stream.h>
#include <vlc_xml.h>
#include <math.h>
@ -47,21 +49,32 @@
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_GLYPH_H
#define FT_FLOOR(X) ((X & -64) >> 6)
#define FT_CEIL(X) (((X + 63) & -64) >> 6)
#define FT_MulFix(v, s) (((v)*(s))>>16)
#ifdef __APPLE__
#define DEFAULT_FONT "/System/Library/Fonts/LucidaGrande.dfont"
#define FC_DEFAULT_FONT "Lucida Grande"
#elif defined( SYS_BEOS )
#define DEFAULT_FONT "/boot/beos/etc/fonts/ttfonts/Swiss721.ttf"
#define FC_DEFAULT_FONT "Swiss"
#elif defined( WIN32 )
#define DEFAULT_FONT "" /* Default font found at run-time */
#define FC_DEFAULT_FONT "Arial"
#else
#define DEFAULT_FONT "/usr/share/fonts/truetype/freefont/FreeSerifBold.ttf"
#define FC_DEFAULT_FONT "Serif Bold"
#endif
#if defined(HAVE_FRIBIDI)
#include <fribidi/fribidi.h>
#endif
#ifdef HAVE_FONTCONFIG
#include <fontconfig/fontconfig.h>
#endif
typedef struct line_desc_t line_desc_t;
/*****************************************************************************
@ -73,6 +86,12 @@ static void Destroy( vlc_object_t * );
/* The RenderText call maps to pf_render_string, defined in vlc_filter.h */
static int RenderText( filter_t *, subpicture_region_t *,
subpicture_region_t * );
#ifdef HAVE_FONTCONFIG
static int RenderHtml( filter_t *, subpicture_region_t *,
subpicture_region_t * );
static char *FontConfig_Select( FcConfig *, const char *,
vlc_bool_t, vlc_bool_t, int * );
#endif
static line_desc_t *NewLine( byte_t * );
static int SetFontSize( filter_t *, int );
@ -169,6 +188,15 @@ struct line_desc_t
FT_BitmapGlyph *pp_glyphs;
/** list of relative positions for the glyphs */
FT_Vector *p_glyph_pos;
/** list of RGB information for styled text
* -- 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;
vlc_bool_t b_new_color_mode;
/** underline information -- only supplied if text should be underlined */
uint16_t *pi_underline_offset;
uint16_t *pi_underline_thickness;
int i_height;
int i_width;
@ -178,6 +206,17 @@ struct line_desc_t
line_desc_t *p_next;
};
typedef struct font_stack_t font_stack_t;
struct font_stack_t
{
char *psz_name;
int i_size;
int i_color;
int i_alpha;
font_stack_t *p_next;
};
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 * );
@ -200,6 +239,9 @@ struct filter_sys_t
int i_default_font_size;
int i_display_height;
#ifdef HAVE_FONTCONFIG
FcConfig *p_fontconfig;
#endif
};
/*****************************************************************************
@ -263,6 +305,12 @@ static int Create( vlc_object_t *p_this )
#endif
}
#ifdef HAVE_FONTCONFIG
if( FcInit() )
p_sys->p_fontconfig = FcConfigGetCurrent();
else
p_sys->p_fontconfig = NULL;
#endif
i_error = FT_Init_FreeType( &p_sys->p_library );
if( i_error )
{
@ -298,6 +346,11 @@ static int Create( vlc_object_t *p_this )
if( psz_fontfile ) free( psz_fontfile );
p_filter->pf_render_text = RenderText;
#ifdef HAVE_FONTCONFIG
p_filter->pf_render_html = RenderHtml;
#else
p_filter->pf_render_html = NULL;
#endif
return VLC_SUCCESS;
error:
@ -318,6 +371,13 @@ static void Destroy( vlc_object_t *p_this )
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
#ifdef HAVE_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. */
#endif
FT_Done_Face( p_sys->p_face );
FT_Done_FreeType( p_sys->p_library );
free( p_sys );
@ -468,6 +528,78 @@ static int Render( filter_t *p_filter, subpicture_region_t *p_region,
return VLC_SUCCESS;
}
static void UnderlineGlyphYUVA( int i_line_thickness, int i_line_offset, vlc_bool_t b_ul_next_char,
FT_BitmapGlyph p_this_glyph, FT_Vector *p_this_glyph_pos,
FT_BitmapGlyph p_next_glyph, FT_Vector *p_next_glyph_pos,
int i_glyph_tmax, int i_align_offset,
uint8_t i_y, uint8_t i_u, uint8_t i_v, uint8_t i_alpha,
subpicture_region_t *p_region)
{
int y, x, z;
int i_pitch;
uint8_t *p_dst_y,*p_dst_u,*p_dst_v,*p_dst_a;
p_dst_y = p_region->picture.Y_PIXELS;
p_dst_u = p_region->picture.U_PIXELS;
p_dst_v = p_region->picture.V_PIXELS;
p_dst_a = p_region->picture.A_PIXELS;
i_pitch = p_region->picture.A_PITCH;
int i_offset = ( p_this_glyph_pos->y + i_glyph_tmax + i_line_offset + 3 ) * i_pitch +
p_this_glyph_pos->x + p_this_glyph->left + 3 + i_align_offset;
for( y = 0; y < i_line_thickness; y++ )
{
int i_extra = p_this_glyph->bitmap.width;
if( b_ul_next_char )
{
i_extra = (p_next_glyph_pos->x + p_next_glyph->left) -
(p_this_glyph_pos->x + p_this_glyph->left);
}
for( x = 0; x < i_extra; x++ )
{
vlc_bool_t b_ok = VLC_TRUE;
/* break the underline around the tails of any glyphs which cross it */
for( z = x - i_line_thickness;
z < x + i_line_thickness && b_ok;
z++ )
{
if( p_next_glyph && ( z >= i_extra ) )
{
int i_row = i_line_offset + p_next_glyph->top + y;
if( ( p_next_glyph->bitmap.rows > i_row ) &&
p_next_glyph->bitmap.buffer[p_next_glyph->bitmap.width * i_row + z-i_extra] )
{
b_ok = VLC_FALSE;
}
}
else if ((z > 0 ) && (z < p_this_glyph->bitmap.width))
{
int i_row = i_line_offset + p_this_glyph->top + y;
if( ( p_this_glyph->bitmap.rows > i_row ) &&
p_this_glyph->bitmap.buffer[p_this_glyph->bitmap.width * i_row + z] )
{
b_ok = VLC_FALSE;
}
}
}
if( b_ok )
{
p_dst_y[i_offset+x] = (i_y * 255) >> 8;
p_dst_u[i_offset+x] = i_u;
p_dst_v[i_offset+x] = i_v;
p_dst_a[i_offset+x] = 255;
}
}
i_offset += i_pitch;
}
}
static void DrawBlack( line_desc_t *p_line, int i_width, subpicture_region_t *p_region, int xoffset, int yoffset )
{
uint8_t *p_dst = p_region->picture.A_PIXELS;
@ -655,6 +787,21 @@ static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region,
i_pitch + p_line->p_glyph_pos[ i ].x + p_glyph->left + 3 +
i_align_offset;
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);
}
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++ )
@ -673,6 +820,18 @@ static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region,
}
i_offset += i_pitch;
}
if( p_line->pi_underline_thickness[ i ] )
{
UnderlineGlyphYUVA( p_line->pi_underline_thickness[ i ],
p_line->pi_underline_offset[ i ],
(p_line->pp_glyphs[i+1] && (p_line->pi_underline_thickness[ i + 1] > 0)),
p_line->pp_glyphs[i], &(p_line->p_glyph_pos[i]),
p_line->pp_glyphs[i+1], &(p_line->p_glyph_pos[i+1]),
i_glyph_tmax, i_align_offset,
i_y, i_u, i_v, i_alpha,
p_region);
}
}
}
@ -971,6 +1130,700 @@ static int RenderText( filter_t *p_filter, subpicture_region_t *p_region_out,
return VLC_EGENERIC;
}
#ifdef HAVE_FONTCONFIG
static int PushFont( font_stack_t **p_font, char *psz_name, int i_size,
int i_color, int i_alpha )
{
font_stack_t *p_new;
if( !p_font )
return VLC_EGENERIC;
p_new = malloc( sizeof( font_stack_t ) );
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_alpha = i_alpha;
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,
int *i_color, int *i_alpha )
{
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_alpha = p_last->i_alpha;
return VLC_SUCCESS;
}
static uint32_t *IconvText( filter_t *p_filter, char *psz_string )
{
vlc_iconv_t iconv_handle = (vlc_iconv_t)(-1);
uint32_t *psz_unicode;
int i_string_length;
psz_unicode =
malloc( ( strlen( psz_string ) + 1 ) * sizeof( uint32_t ) );
if( psz_unicode == NULL )
{
msg_Err( p_filter, "out of memory" );
return NULL;;
}
#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 )
{
msg_Warn( p_filter, "unable to do conversion" );
free( psz_unicode );
return NULL;;
}
{
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 = psz_string;
p_out_buffer = (char *)psz_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 (%s), "
"bytes left %d", strerror(errno), (int)i_in_bytes );
free( psz_unicode );
return NULL;;
}
*(uint32_t*)p_out_buffer = 0;
i_string_length = (i_out_bytes - i_out_bytes_left) / sizeof(uint32_t);
}
#if defined(HAVE_FRIBIDI)
{
uint32_t *p_fribidi_string;
p_fribidi_string = malloc( (i_string_length + 1) * sizeof(uint32_t) );
/* Do bidi conversion line-by-line */
FriBidiCharType base_dir = FRIBIDI_TYPE_LTR;
fribidi_log2vis((FriBidiChar*)psz_unicode, i_string_length,
&base_dir, (FriBidiChar*)p_fribidi_string, 0, 0, 0);
free( psz_unicode );
psz_unicode = p_fribidi_string;
p_fribidi_string[ i_string_length ] = 0;
}
#endif
return psz_unicode;
}
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 )
{
FT_BBox line;
int i_yMin, i_yMax;
int i;
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( 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;
while( *psz_unicode && ( *psz_unicode != 0xffff ) )
{
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_rgb[ i ] = i_font_color & 0x00ffffff;
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 )
{
msg_Warn( p_filter, "unbreakable string" );
p_line->pp_glyphs[ i ] = NULL;
return VLC_EGENERIC;
}
else
{
*psz_unicode = 0xffff;
}
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
{
psz_unicode++;
for( i=0; psz_unicode[ i ]; i++ )
psz_unicode_start[ i ] = psz_unicode[ i ];
psz_unicode_start[ i ] = '\0';
}
return VLC_SUCCESS;
}
static int ProcessNodes( filter_t *p_filter, xml_reader_t *p_xml_reader, char *psz_html, text_style_t *p_font_style, line_desc_t **p_lines, FT_Vector *p_result )
{
filter_sys_t *p_sys = p_filter->p_sys;
FT_Vector tmp_result;
font_stack_t *p_fonts = NULL;
vlc_bool_t b_italic = VLC_FALSE;
vlc_bool_t b_bold = VLC_FALSE;
vlc_bool_t b_uline = VLC_FALSE;
line_desc_t *p_line = NULL;
line_desc_t *p_prev = NULL;
char *psz_node = NULL;
int i_pen_x = 0;
int i_pen_y = 0;
int i_posn = 0;
int rv = VLC_SUCCESS;
p_result->x = p_result->y = 0;
tmp_result.x = tmp_result.y = 0;
if( p_font_style )
{
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 );
if( p_font_style->i_style_flags & STYLE_BOLD )
b_bold = VLC_TRUE;
if( p_font_style->i_style_flags & STYLE_ITALIC )
b_italic = VLC_TRUE;
if( p_font_style->i_style_flags & STYLE_UNDERLINE )
b_uline = VLC_TRUE;
}
else
{
PushFont( &p_fonts, FC_DEFAULT_FONT, 24, 0xffffff, 0 );
}
while ( ( xml_ReaderRead( p_xml_reader ) == 1 ) && ( rv == VLC_SUCCESS ) )
{
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 = VLC_FALSE;
else if( !strcasecmp( "i", psz_node ) )
b_italic = VLC_FALSE;
else if( !strcasecmp( "u", psz_node ) )
b_uline = VLC_FALSE;
free( psz_node );
}
break;
case XML_READER_STARTELEM:
psz_node = xml_ReaderName( p_xml_reader );
if( psz_node )
{
if( !strcasecmp( "font", psz_node ) )
{
char *psz_fontname = NULL;
int i_font_color = 0xffffff;
int i_font_alpha = 0;
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_font_alpha ))
{
psz_fontname = strdup( psz_fontname );
}
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 ) )
{
if( psz_fontname ) free( psz_fontname );
psz_fontname = strdup( psz_value );
}
else if( !strcasecmp( "size", psz_name ) )
{
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 );
}
}
PushFont( &p_fonts, psz_fontname, i_font_size, i_font_color, i_font_alpha );
free( psz_fontname );
}
else if( !strcasecmp( "b", psz_node ) )
{
b_bold = VLC_TRUE;
}
else if( !strcasecmp( "i", psz_node ) )
{
b_italic = VLC_TRUE;
}
else if( !strcasecmp( "u", psz_node ) )
{
b_uline = VLC_TRUE;
}
else if( !strcasecmp( "br", psz_node ) )
{
if( p_line )
{
p_prev = p_line;
if( !(p_line = NewLine( (byte_t *)psz_html )) )
{
msg_Err( p_filter, "out of memory" );
free( psz_node );
rv = VLC_EGENERIC;
break;
}
p_line->b_new_color_mode = VLC_TRUE;
p_result->x = __MAX( p_result->x, tmp_result.x );
p_result->y += tmp_result.y;
p_line->p_next = NULL;
i_pen_x = 0;
i_pen_y += tmp_result.y;
i_posn = 0;
p_prev->p_next = p_line;
tmp_result.x = 0;
tmp_result.y = 0;
}
}
free( psz_node );
}
break;
case XML_READER_TEXT:
psz_node = xml_ReaderValue( p_xml_reader );
if( psz_node )
{
char *psz_fontname = NULL;
int i_font_color = 0xffffff;
int i_font_alpha = 0;
int i_font_size = 24;
FT_Face p_face = NULL;
if( VLC_SUCCESS == PeekFont( &p_fonts, &psz_fontname, &i_font_size, &i_font_color, &i_font_alpha ) )
{
int i_idx = 0;
char *psz_fontfile = FontConfig_Select( p_sys->p_fontconfig, psz_fontname, b_bold, b_italic, &i_idx );
if( psz_fontfile )
{
if( FT_New_Face( p_sys->p_library, psz_fontfile ? psz_fontfile : "",
i_idx, &p_face ) )
{
free( psz_fontfile );
free( psz_node );
rv = VLC_EGENERIC;
break;
}
free( psz_fontfile );
}
}
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, i_font_size ) )
{
free( psz_node );
rv = VLC_EGENERIC;
break;
}
p_sys->i_use_kerning = FT_HAS_KERNING( ( p_face ? p_face : p_sys->p_face ) );
uint32_t *psz_unicode = IconvText( p_filter, psz_node );
if( !psz_unicode )
{
free( psz_node );
if( p_face ) FT_Done_Face( p_face );
rv = VLC_EGENERIC;
break;
}
while( *psz_unicode )
{
if( !p_line )
{
if( !(p_line = NewLine( (byte_t *)psz_html )) )
{
msg_Err( p_filter, "out of memory" );
free( psz_node );
if( p_face ) FT_Done_Face( p_face );
rv = VLC_EGENERIC;
break;
}
/* 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 = VLC_TRUE;
p_line->i_alpha = i_font_alpha;
p_line->i_red = ( i_font_color & 0xff0000 ) >> 16;
p_line->i_green = ( i_font_color & 0x00ff00 ) >> 8;
p_line->i_blue = ( i_font_color & 0x0000ff );
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 *p_lines = p_line;
}
if( RenderTag( p_filter, p_face, i_font_color, b_uline, p_line, psz_unicode, &i_pen_x, i_pen_y, &i_posn, &tmp_result ) != VLC_SUCCESS )
{
free( psz_node );
if( p_face ) FT_Done_Face( p_face );
rv = VLC_EGENERIC;
break;
}
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( rv != VLC_SUCCESS ) break;
if( p_face ) FT_Done_Face( p_face );
free( psz_unicode );
free( psz_node );
}
break;
}
}
if( p_line )
{
p_result->x = __MAX( p_result->x, tmp_result.x );
p_result->y += tmp_result.y;
}
while( VLC_SUCCESS == PopFont( &p_fonts ) );
return rv;
}
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;
p_sub = stream_MemoryNew( VLC_OBJECT(p_filter),
p_region_in->psz_html,
strlen( p_region_in->psz_html ),
VLC_FALSE );
if( p_sub )
{
p_xml = xml_Create( p_filter );
if( p_xml )
{
p_xml_reader = xml_ReaderCreate( p_xml, p_sub );
if( p_xml_reader )
{
FT_Vector result;
line_desc_t *p_lines = NULL;
rv = ProcessNodes( p_filter, p_xml_reader, p_region_in->psz_html, p_region_in->p_style, &p_lines, &result );
if( rv == VLC_SUCCESS )
{
p_region_out->i_x = p_region_in->i_x;
p_region_out->i_y = p_region_in->i_y;
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 );
}
/* No longer need a HTML version of the text */
free( p_region_in->psz_html );
p_region_in->psz_html = NULL;
return rv;
}
static char* FontConfig_Select( FcConfig* priv, const char* family, vlc_bool_t b_bold, vlc_bool_t 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 ? 1000 : 0 );
FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? 1000 : 0 );
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;
@ -980,6 +1833,9 @@ static void FreeLine( line_desc_t *p_line )
}
free( p_line->pp_glyphs );
free( p_line->p_glyph_pos );
free( p_line->p_rgb );
free( p_line->pi_underline_offset );
free( p_line->pi_underline_thickness );
free( p_line );
}
@ -1011,21 +1867,27 @@ static line_desc_t *NewLine( byte_t *psz_string )
i_count = strlen( (char *)psz_string );
p_line->pp_glyphs = malloc( sizeof(FT_BitmapGlyph) * ( i_count + 1 ) );
if( p_line->pp_glyphs == NULL )
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->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->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_glyph_pos ) free( p_line->p_glyph_pos );
if( p_line->pp_glyphs ) free( p_line->pp_glyphs );
free( p_line );
return NULL;
}
p_line->pp_glyphs[0] = NULL;
p_line->p_glyph_pos = malloc( sizeof( FT_Vector ) * i_count + 1 );
if( p_line->p_glyph_pos == NULL )
{
free( p_line->pp_glyphs );
free( p_line );
return NULL;
}
p_line->b_new_color_mode = VLC_FALSE;
return p_line;
}

1
modules/misc/svg.c
View File

@ -145,6 +145,7 @@ static int Create( vlc_object_t *p_this )
p_sys->i_height = p_filter->fmt_out.video.i_height;
p_filter->pf_render_text = RenderText;
p_filter->pf_render_html = NULL;
p_filter->p_sys = p_sys;
/* MUST call this before any RSVG funcs */

1
modules/misc/win32text.c
View File

@ -184,6 +184,7 @@ static int Create( vlc_object_t *p_this )
if( psz_fontfile ) free( psz_fontfile );
p_filter->pf_render_text = RenderText;
p_filter->pf_render_html = NULL;
return VLC_SUCCESS;
error:

16
src/video_output/vout_subpictures.c
View File

@ -629,12 +629,20 @@ void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
{
if( p_spu->p_text && p_spu->p_text->p_module &&
p_spu->p_text->pf_render_text )
if( p_spu->p_text && p_spu->p_text->p_module )
{
p_region->i_align = p_subpic->i_flags;
p_spu->p_text->pf_render_text( p_spu->p_text,
p_region, p_region );
if( p_spu->p_text->pf_render_html && p_region->psz_html )
{
p_spu->p_text->pf_render_html( p_spu->p_text,
p_region, p_region );
}
else if( p_spu->p_text->pf_render_text )
{
p_spu->p_text->pf_render_text( p_spu->p_text,
p_region, p_region );
}
}
}