text_style_t *text_style_Duplicate( const text_style_t *p_src )
{
if( !p_src )
return NULL;
text_style_t *p_dst = calloc( 1, sizeof(*p_dst) );
if( p_dst )
text_style_Copy( p_dst, p_src );
return p_dst;
}
static void ParseUSFHeaderTags( decoder_t *p_dec, xml_reader_t *p_xml_reader )
{
decoder_sys_t *p_sys = p_dec->p_sys;
const char *node;
ssa_style_t *p_ssa_style = NULL;
int i_style_level = 0;
int i_metadata_level = 0;
int type;
while( (type = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
{
switch( type )
{
case XML_READER_ENDELEM:
switch (i_style_level)
{
case 0:
if( !strcasecmp( "metadata", node ) && (i_metadata_level == 1) )
i_metadata_level--;
break;
case 1:
if( !strcasecmp( "styles", node ) )
i_style_level--;
break;
case 2:
if( !strcasecmp( "style", node ) )
{
TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_ssa_style );
p_ssa_style = NULL;
i_style_level--;
}
break;
}
break;
case XML_READER_STARTELEM:
if( !strcasecmp( "metadata", node ) && (i_style_level == 0) )
i_metadata_level++;
else if( !strcasecmp( "resolution", node ) &&
( i_metadata_level == 1) )
{
const char *attr, *val;
while( (attr = xml_ReaderNextAttr( p_xml_reader, &val )) )
{
if( !strcasecmp( "x", attr ) )
p_sys->i_original_width = atoi( val );
else if( !strcasecmp( "y", attr ) )
p_sys->i_original_height = atoi( val );
}
}
else if( !strcasecmp( "styles", node ) && (i_style_level == 0) )
{
i_style_level++;
}
else if( !strcasecmp( "style", node ) && (i_style_level == 1) )
{
i_style_level++;
p_ssa_style = calloc( 1, sizeof(ssa_style_t) );
if( unlikely(!p_ssa_style) )
return;
p_ssa_style->p_style = text_style_Create( STYLE_NO_DEFAULTS );
if( unlikely(!p_ssa_style->p_style) )
{
free(p_ssa_style);
return;
}
/* All styles are supposed to default to Default, and then
* one or more settings are over-ridden.
* At the moment this only effects styles defined AFTER
* Default in the XML
*/
for( int i = 0; i < p_sys->i_ssa_styles; i++ )
{
if( !strcasecmp( p_sys->pp_ssa_styles[i]->psz_stylename, "Default" ) )
{
ssa_style_t *p_default_style = p_sys->pp_ssa_styles[i];
memcpy( p_ssa_style, p_default_style, sizeof( ssa_style_t ) );
//FIXME: Make font_style a pointer. Actually we double copy some data here,
// we use text_style_Copy to avoid copying psz_fontname, though .
text_style_Copy( p_ssa_style->p_style, p_default_style->p_style );
p_ssa_style->psz_stylename = NULL;
}
}
const char *attr, *val;
while( (attr = xml_ReaderNextAttr( p_xml_reader, &val )) )
{
if( !strcasecmp( "name", attr ) )
{
free( p_ssa_style->psz_stylename );
p_ssa_style->psz_stylename = strdup( val );
}
}
}
else if( !strcasecmp( "fontstyle", node ) && (i_style_level == 2) )
{
const char *attr, *val;
while( (attr = xml_ReaderNextAttr( p_xml_reader, &val )) )
{
if( !strcasecmp( "face", attr ) )
{
free( p_ssa_style->p_style->psz_fontname );
p_ssa_style->p_style->psz_fontname = strdup( val );
}
else if( !strcasecmp( "size", attr ) )
{
if( ( *val == '+' ) || ( *val == '-' ) )
{
int i_value = atoi( val );
if( ( i_value >= -5 ) && ( i_value <= 5 ) )
p_ssa_style->p_style->i_font_size +=
( i_value * p_ssa_style->p_style->i_font_size ) / 10;
else if( i_value < -5 )
p_ssa_style->p_style->i_font_size = - i_value;
else if( i_value > 5 )
p_ssa_style->p_style->i_font_size = i_value;
}
else
p_ssa_style->p_style->i_font_size = atoi( val );
}
else if( !strcasecmp( "italic", attr ) )
{
if( !strcasecmp( "yes", val ))
p_ssa_style->p_style->i_style_flags |= STYLE_ITALIC;
else
p_ssa_style->p_style->i_style_flags &= ~STYLE_ITALIC;
p_ssa_style->p_style->i_features |= STYLE_HAS_FLAGS;
}
else if( !strcasecmp( "weight", attr ) )
{
if( !strcasecmp( "bold", val ))
p_ssa_style->p_style->i_style_flags |= STYLE_BOLD;
else
p_ssa_style->p_style->i_style_flags &= ~STYLE_BOLD;
p_ssa_style->p_style->i_features |= STYLE_HAS_FLAGS;
}
else if( !strcasecmp( "underline", attr ) )
{
if( !strcasecmp( "yes", val ))
p_ssa_style->p_style->i_style_flags |= STYLE_UNDERLINE;
else
p_ssa_style->p_style->i_style_flags &= ~STYLE_UNDERLINE;
p_ssa_style->p_style->i_features |= STYLE_HAS_FLAGS;
}
else if( !strcasecmp( "color", attr ) )
{
if( *val == '#' )
{
unsigned long col = strtol(val+1, NULL, 16);
p_ssa_style->p_style->i_font_color = (col & 0x00ffffff);
p_ssa_style->p_style->i_font_alpha = (col >> 24) & 0xff;
p_ssa_style->p_style->i_features |= STYLE_HAS_FONT_COLOR
| STYLE_HAS_FONT_ALPHA;
}
}
else if( !strcasecmp( "outline-color", attr ) )
{
if( *val == '#' )
{
unsigned long col = strtol(val+1, NULL, 16);
p_ssa_style->p_style->i_outline_color = (col & 0x00ffffff);
p_ssa_style->p_style->i_outline_alpha = (col >> 24) & 0xff;
p_ssa_style->p_style->i_features |= STYLE_HAS_OUTLINE_COLOR
| STYLE_HAS_OUTLINE_ALPHA;
}
}
else if( !strcasecmp( "outline-level", attr ) )
{
p_ssa_style->p_style->i_outline_width = atoi( val );
}
else if( !strcasecmp( "shadow-color", attr ) )
{
if( *val == '#' )
{
unsigned long col = strtol(val+1, NULL, 16);
p_ssa_style->p_style->i_shadow_color = (col & 0x00ffffff);
p_ssa_style->p_style->i_shadow_alpha = (col >> 24) & 0xff;
p_ssa_style->p_style->i_features |= STYLE_HAS_SHADOW_COLOR
| STYLE_HAS_SHADOW_ALPHA;
}
}
static void ParseUSFHeaderTags( decoder_t *p_dec, xml_reader_t *p_xml_reader )
{
decoder_sys_t *p_sys = p_dec->p_sys;
char *psz_node;
ssa_style_t *p_ssa_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 )
break;
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 ) )
{
TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_ssa_style );
p_ssa_style = NULL;
i_style_level--;
}
break;
}
free( psz_node );
break;
case XML_READER_STARTELEM:
psz_node = xml_ReaderName( p_xml_reader );
if( !psz_node )
break;
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 );
}
free( psz_name );
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_ssa_style = calloc( 1, sizeof(ssa_style_t) );
if( !p_ssa_style )
{
free( psz_node );
return;
}
/* All styles are supposed to default to Default, and then
* one or more settings are over-ridden.
* At the moment this only effects styles defined AFTER
* Default in the XML
*/
int i;
for( i = 0; i < p_sys->i_ssa_styles; i++ )
{
if( !strcasecmp( p_sys->pp_ssa_styles[i]->psz_stylename, "Default" ) )
{
ssa_style_t *p_default_style = p_sys->pp_ssa_styles[i];
memcpy( p_ssa_style, p_default_style, sizeof( ssa_style_t ) );
//FIXME: Make font_style a pointer. Actually we double copy some data here,
// we use text_style_Copy to avoid copying psz_fontname, though .
text_style_Copy( &p_ssa_style->font_style, &p_default_style->font_style );
p_ssa_style->psz_stylename = NULL;
}
}
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_ssa_style->psz_stylename = strdup( psz_value );
}
free( psz_name );
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 ) )
{
free( p_ssa_style->font_style.psz_fontname );
p_ssa_style->font_style.psz_fontname = strdup( psz_value );
}
else if( !strcasecmp( "size", psz_name ) )
{
if( ( *psz_value == '+' ) || ( *psz_value == '-' ) )
{
int i_value = atoi( psz_value );
if( ( i_value >= -5 ) && ( i_value <= 5 ) )
p_ssa_style->font_style.i_font_size +=
( i_value * p_ssa_style->font_style.i_font_size ) / 10;
else if( i_value < -5 )
p_ssa_style->font_style.i_font_size = - i_value;
else if( i_value > 5 )
p_ssa_style->font_style.i_font_size = i_value;
}
else
p_ssa_style->font_style.i_font_size = atoi( psz_value );
}
else if( !strcasecmp( "italic", psz_name ) )
{
if( !strcasecmp( "yes", psz_value ))
p_ssa_style->font_style.i_style_flags |= STYLE_ITALIC;
else
p_ssa_style->font_style.i_style_flags &= ~STYLE_ITALIC;
}
else if( !strcasecmp( "weight", psz_name ) )
{
if( !strcasecmp( "bold", psz_value ))
p_ssa_style->font_style.i_style_flags |= STYLE_BOLD;
else
p_ssa_style->font_style.i_style_flags &= ~STYLE_BOLD;
}
else if( !strcasecmp( "underline", psz_name ) )
{
if( !strcasecmp( "yes", psz_value ))
p_ssa_style->font_style.i_style_flags |= STYLE_UNDERLINE;
else
p_ssa_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_ssa_style->font_style.i_font_color = (col & 0x00ffffff);
p_ssa_style->font_style.i_font_alpha = (col >> 24) & 0xff;
}
}
else if( !strcasecmp( "outline-color", psz_name ) )
{
if( *psz_value == '#' )
{
unsigned long col = strtol(psz_value+1, NULL, 16);
p_ssa_style->font_style.i_outline_color = (col & 0x00ffffff);
p_ssa_style->font_style.i_outline_alpha = (col >> 24) & 0xff;
}
}
else if( !strcasecmp( "outline-level", psz_name ) )
{
p_ssa_style->font_style.i_outline_width = atoi( psz_value );
}
else if( !strcasecmp( "shadow-color", psz_name ) )
{
if( *psz_value == '#' )
{
unsigned long col = strtol(psz_value+1, NULL, 16);
p_ssa_style->font_style.i_shadow_color = (col & 0x00ffffff);
p_ssa_style->font_style.i_shadow_alpha = (col >> 24) & 0xff;
}
}
else if( !strcasecmp( "shadow-level", psz_name ) )
