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vlc-1.1
Commit c8b3f40f authored by Laurent Aimar's avatar Laurent Aimar
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Moved more common codes to text_renderer.h

parent 64f85cb0
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Showing with 281 additions and 429 deletions
modules/misc/freetype.c
View file @ c8b3f40f
......@@ -75,8 +75,6 @@
#include <assert.h>
#include "text_renderer.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
......@@ -273,6 +271,13 @@ struct filter_sys_t
vlc_object_t *p_fontbuilder;
};
#define UCHAR uint32_t
#define TR_DEFAULT_FONT FC_DEFAULT_FONT
#define TR_DEFAULT_COLOR 0x00ffffff
#define TR_FONT_STYLE_PTR ft_style_t *
#include "text_renderer.h"
/*****************************************************************************
* Create: allocates osd-text video thread output method
*****************************************************************************
......@@ -1750,254 +1755,6 @@ static void SetupLine( filter_t *p_filter, const char *psz_text_in,
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;
......@@ -2552,6 +2309,7 @@ static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
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 );
......
modules/misc/quartztext.c
View file @ c8b3f40f
......@@ -43,8 +43,6 @@
#include <Carbon/Carbon.h>
#include "text_renderer.h"
#define DEFAULT_FONT "Arial Black"
#define DEFAULT_FONT_COLOR 0xffffff
#define DEFAULT_REL_FONT_SIZE 16
......@@ -155,6 +153,13 @@ struct filter_sys_t
int i_fonts;
};
#define UCHAR UniChar
#define TR_DEFAULT_FONT p_sys->psz_font_name
#define TR_DEFAULT_COLOR p_sys->i_font_color
#define TR_FONT_STYLE_PTR ATSUStyle
#include "text_renderer.h"
//////////////////////////////////////////////////////////////////////////////
// Create: allocates osd-text video thread output method
//////////////////////////////////////////////////////////////////////////////
......@@ -509,7 +514,7 @@ static ATSUStyle GetStyleFromFontStack( filter_sys_t *p_sys,
}
static void SetupLine( filter_t *p_filter, const char *psz_text_in,
uint32_t **psz_text_out, uint32_t *pi_runs,
UniChar **psz_text_out, uint32_t *pi_runs,
uint32_t **ppi_run_lengths, ft_style_t ***ppp_styles,
ft_style_t *p_style )
{
......@@ -542,187 +547,14 @@ static void SetupLine( filter_t *p_filter, const char *psz_text_in,
static void SetKaraokeLen( uint32_t i_runs, uint32_t *pi_run_lengths,
uint32_t i_k_runs, uint32_t *pi_k_run_lengths )
{
/* TODO */
}
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 )
{
}
static int ProcessNodes( filter_t *p_filter,
xml_reader_t *p_xml_reader,
text_style_t *p_font_style,
UniChar *psz_text,
int *pi_len,
uint32_t *pi_runs,
uint32_t **ppi_run_lengths,
ATSUStyle **ppp_styles )
{
bool b_karaoke = false;
uint32_t *pi_k_runs = NULL;
uint32_t **ppi_k_run_lengths = NULL;
uint32_t **ppi_k_durations = NULL;
int rv = VLC_SUCCESS;
filter_sys_t *p_sys = p_filter->p_sys;
UniChar *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),
/* TODO no idea how ATSUStyle works
(p_font_style->i_karaoke_background_color & 0xffffff) |
((p_font_style->i_karaoke_background_alpha & 0xff) << 24)
*/
0x00ffffff );
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,
p_sys->psz_font_name,
p_sys->i_font_size,
p_sys->i_font_color,
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;
/* TODO */
}
static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
......@@ -787,7 +619,10 @@ static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
UniChar *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;
ATSUStyle *pp_styles = NULL;
psz_text = (UniChar *) malloc( strlen( p_region_in->psz_html ) *
......@@ -798,7 +633,11 @@ static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
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,
/* No karaoke support */
false, &i_k_runs, &pi_k_run_lengths, &pi_k_durations );
assert( pi_k_run_lengths == NULL && pi_k_durations == NULL );
p_region_out->i_x = p_region_in->i_x;
p_region_out->i_y = p_region_in->i_y;
......
modules/misc/text_renderer.h
View file @ c8b3f40f
......@@ -33,6 +33,15 @@ struct font_stack_t
font_stack_t *p_next;
};
static void SetupLine( filter_t *p_filter, const char *psz_text_in,
UCHAR **psz_text_out, uint32_t *pi_runs,
uint32_t **ppi_run_lengths, TR_FONT_STYLE_PTR **ppp_styles,
TR_FONT_STYLE_PTR p_style );
static TR_FONT_STYLE_PTR GetStyleFromFontStack( filter_sys_t *p_sys,
font_stack_t **p_fonts, bool b_bold, bool b_italic,
bool b_uline );
static int PushFont( font_stack_t **p_font, const char *psz_name, int i_size,
uint32_t i_color, uint32_t i_karaoke_bg_color )
{
......@@ -388,3 +397,249 @@ static int HandleFontAttributes( xml_reader_t *p_xml_reader,
return rv;
}
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,
UCHAR *psz_text,
int *pi_len,
uint32_t *pi_runs,
uint32_t **ppi_run_lengths,
TR_FONT_STYLE_PTR **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;
UCHAR *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,
TR_DEFAULT_FONT,
p_sys->i_font_size,
TR_DEFAULT_COLOR,
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;
}
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