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vlc-2-2
Commit 00b78e93 authored by Laurent Aimar's avatar Laurent Aimar
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Small simplifications (freetype).

parent 28474ebf
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Showing with 83 additions and 85 deletions
modules/misc/text_renderer/freetype.c
View file @ 00b78e93
......@@ -1037,31 +1037,6 @@ static bool StyleEquals( text_style_t *s1, text_style_t *s2 )
!strcmp( s1->psz_fontname, s2->psz_fontname );
}
static void IconvText( filter_t *p_filter, const char *psz_string,
size_t *i_string_length, uint32_t *psz_unicode )
{
*i_string_length = 0;
if( psz_unicode == NULL )
return;
size_t i_length;
uint32_t *psz_tmp =
#if defined(WORDS_BIGENDIAN)
ToCharset( "UCS-4BE", psz_string, &i_length );
#else
ToCharset( "UCS-4LE", psz_string, &i_length );
#endif
if( !psz_tmp )
{
msg_Warn( p_filter, "failed to convert string to unicode (%m)" );
return;
}
memcpy( psz_unicode, psz_tmp, i_length );
*i_string_length = i_length / 4;
free( psz_tmp );
}
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 )
{
......@@ -1715,17 +1690,36 @@ static int RenderTag( filter_t *p_filter, FT_Face p_face,
return VLC_SUCCESS;
}
static void SetupLine( filter_t *p_filter, const char *psz_text_in,
uint32_t **ppsz_text_out, uint32_t *pi_runs,
uint32_t **ppi_run_lengths, text_style_t ***ppp_styles,
text_style_t *p_style )
static unsigned SetupText( filter_t *p_filter,
uint32_t *psz_text_out,
uint32_t *pi_runs,
uint32_t **ppi_run_lengths,
text_style_t ***ppp_styles,
const char *psz_text_in,
text_style_t *p_style )
{
size_t i_string_length;
IconvText( p_filter, psz_text_in, &i_string_length, *ppsz_text_out );
*ppsz_text_out += i_string_length;
size_t i_string_bytes;
#if defined(WORDS_BIGENDIAN)
uint32_t *psz_tmp = ToCharset( "UCS-4BE", psz_text_in, &i_string_bytes );
#else
uint32_t *psz_tmp = ToCharset( "UCS-4LE", psz_text_in, &i_string_bytes );
#endif
if( psz_tmp )
{
memcpy( psz_text_out, psz_tmp, i_string_bytes );
i_string_length = i_string_bytes / 4;
free( psz_tmp );
}
else
{
msg_Warn( p_filter, "failed to convert string to unicode (%m)" );
i_string_length = 0;
}
if( ppp_styles && ppi_run_lengths )
if( i_string_length > 0 && ppp_styles && ppi_run_lengths )
{
(*pi_runs)++;
......@@ -1771,6 +1765,7 @@ static void SetupLine( filter_t *p_filter, const char *psz_text_in,
* problems above, release it here.
*/
text_style_Delete( p_style );
return i_string_length;
}
static int CheckForEmbeddedFont( filter_sys_t *p_sys, FT_Face *pp_face, text_style_t *p_style )
......@@ -1820,10 +1815,10 @@ static int ProcessNodes( filter_t *p_filter,
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;
int rv = VLC_SUCCESS;
filter_sys_t *p_sys = p_filter->p_sys;
int i_text_length = 0;
font_stack_t *p_fonts = NULL;
int i_style_flags = 0;
......@@ -1890,11 +1885,13 @@ static int ProcessNodes( filter_t *p_filter,
i_style_flags |= STYLE_STRIKEOUT;
else if( !strcasecmp( "br", node ) )
{
SetupLine( p_filter, "\n", &psz_text,
pi_runs, ppi_run_lengths, ppp_styles,
GetStyleFromFontStack( p_sys,
&p_fonts,
i_style_flags ) );
i_text_length += SetupText( p_filter,
&psz_text[i_text_length],
pi_runs, ppi_run_lengths, ppp_styles,
"\n",
GetStyleFromFontStack( p_sys,
&p_fonts,
i_style_flags ) );
}
else if( !strcasecmp( "k", node ) )
{
......@@ -1919,18 +1916,20 @@ static int ProcessNodes( filter_t *p_filter,
HandleWhiteSpace( psz_node );
resolve_xml_special_chars( psz_node );
SetupLine( p_filter, psz_node, &psz_text,
pi_runs, ppi_run_lengths, ppp_styles,
GetStyleFromFontStack( p_sys,
&p_fonts,
i_style_flags ) );
i_text_length += SetupText( p_filter,
&psz_text[i_text_length],
pi_runs, ppi_run_lengths, ppp_styles,
psz_node,
GetStyleFromFontStack( p_sys,
&p_fonts,
i_style_flags ) );
free( psz_node );
break;
}
}
if( rv != VLC_SUCCESS )
{
psz_text = psz_text_orig;
i_text_length = 0;
break;
}
}
......@@ -1940,7 +1939,7 @@ static int ProcessNodes( filter_t *p_filter,
*pi_k_runs, *ppi_k_run_lengths );
}
*pi_len = psz_text - psz_text_orig;
*pi_len = i_text_length;
while( VLC_SUCCESS == PopFont( &p_fonts ) );
......@@ -2461,6 +2460,14 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
FT_Vector result = {0, 0};
line_desc_t *p_lines = NULL;
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;
text_style_t **pp_styles = NULL;
bool b_karaoke = false;
#ifdef HAVE_STYLES
if( b_html )
{
......@@ -2481,7 +2488,6 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
if( !p_xml_reader )
rv = VLC_EGENERIC;
bool b_karaoke = false;
if( !rv )
{
/* Look for Root Node */
......@@ -2491,10 +2497,6 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
{
if( !strcasecmp( "karaoke", node ) )
{
/* We're going to have to render the text a number
* of times to show the progress marker on the text.
*/
var_SetBool( p_filter, "text-rerender", true );
b_karaoke = true;
}
else if( !strcasecmp( "text", node ) )
......@@ -2517,32 +2519,11 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
}
if( !rv )
{
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;
text_style_t **pp_styles = NULL;
rv = ProcessNodes( p_filter, p_xml_reader,
p_region_in->p_style, psz_text, &i_text_length,
&i_runs, &pi_run_lengths, &pp_styles,
b_karaoke, &i_k_runs, &pi_k_run_lengths,
&pi_k_durations );
if( !rv && i_text_length > 0 )
{
rv = ProcessLines( p_filter, psz_text, i_text_length, i_runs,
pi_run_lengths, pp_styles, &p_lines,
&result, b_karaoke, i_k_runs,
pi_k_run_lengths, pi_k_durations );
}
for( uint32_t k = 0; k < i_runs; k++ )
text_style_Delete( pp_styles[k] );
free( pp_styles );
free( pi_run_lengths );
}
if( p_xml_reader )
......@@ -2553,11 +2534,6 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
else
#endif
{
size_t i_iconv_length;
IconvText( p_filter, p_region_in->psz_text, &i_iconv_length, psz_text );
i_text_length = i_iconv_length;
text_style_t *p_style;
if( p_region_in->p_style )
p_style = CreateStyle( p_region_in->p_style->psz_fontname,
......@@ -2575,16 +2551,31 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
(p_sys->i_font_color & 0xffffff) |
(((255-p_sys->i_font_opacity) & 0xff) << 24),
0x00ffffff, 0);
uint32_t i_run_length = i_text_length;
rv = ProcessLines( p_filter, psz_text, i_text_length,
1, &i_run_length, &p_style,
&p_lines, &result,
false, 0, NULL, NULL );
text_style_Delete( p_style );
i_text_length = SetupText( p_filter,
psz_text,
&i_runs, &pi_run_lengths, &pp_styles,
p_region_in->psz_text, p_style );
}
if( !rv && i_text_length > 0 )
{
rv = ProcessLines( p_filter, psz_text, i_text_length, i_runs,
pi_run_lengths, pp_styles, &p_lines,
&result, b_karaoke, i_k_runs,
pi_k_run_lengths, pi_k_durations );
}
free( psz_text );
for( uint32_t k = 0; k < i_runs; k++ )
text_style_Delete( pp_styles[k] );
free( pp_styles );
free( pi_run_lengths );
free( pi_k_run_lengths );
free( pi_k_durations );
p_region_out->i_x = p_region_in->i_x;
p_region_out->i_y = p_region_in->i_y;
......@@ -2598,6 +2589,13 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
else
RenderYUVA( p_filter, p_region_out, p_lines,
result.x, result.y );
/* With karaoke, we're going to have to render the text a number
* of times to show the progress marker on the text.
*/
if( b_karaoke )
var_SetBool( p_filter, "text-rerender", true );
}
FreeLines( p_lines );
......
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