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Commit 4d4eb334 authored by Laurent Aimar's avatar Laurent Aimar
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all: Subtitle improvment patch by Bernie Purcell. 

Author comments:

It makes the following changes:
* Changes to vout_subpictures.c to create some new variables which
renderers are free to use to render time-specific subtitling
information, such as karaoke. One of these variables allows for the text
region to not be permanently converted to YUVA/YUVP - so that more than
one pass can be made on the subtitle - so that it will update correctly
over time. If a rendering module doesn't use or change any of the
variables it behaves the same as usual, with the text region being
rendered just the once to a YUVA/YUVP region and then just blended to
the video on future passes.

* Changes to alignment implementation: no longer use the i_text_align
field of font_style_t at all; require the alignment to be correctly
setup solely in the subpicture_region_t's i_align field (this is so that
the alignment initially inherited from a style can be overridden). This
meant minor changes to freetype.c and quartztext.c as well as the
deletion of the i_text_align field in vlc_osd.h. It also involved some
changes in subsdec.c, where most of the work in this patch occurs.

* Minor change to quartztext.c to correct the interpretation of font
size parameter, making it consistent with a similar change being made in
subsdec.c, and to strip out multiple whitespace in html subtitles
(Similar changes to the freetype.c module have already been made as part
of a separate larger patch submission to fix problems with bidirectional
styled text in that module)

* Adds 2 new fields for carrying karaoke specific information to the
text_style_t struct in vlc_osd.h. Changed the default_text_style's
definition to agree with the changes made in the fields of text_style_t
struct.

* Support for <image> and <karaoke> subtitles in subsdec.c. (Full
working karaoke also requires an as-yet unsubmitted patch to the
renderers to implement)

* Support for more than one subpicture_region_t per timestamp, with each
subpicture region being able to have its own alignment and margins and
type: text or image

* Better calculation of plain-text versions of html subtitles

NB: This patch still makes use of a mechanism of explicitly requesting
the sdl_image module to decode any images it wants. The main reason for
this is that the bmp decoder in ffmpeg (the image decoder with the
highest score) presently only handles 16, 24 and 32 bit depths. An
alternative is for us to switch off the bmp support in ffmpeg for the
time being and the segment of code in subsdec.c that explicitly requests
this module (along with one line added to sdl_image.c) can be removed.
I'm not fussed by either implementation, but this way probably affects
fewer other modules, so have submitted it this way.
parent 50975df6
Hide whitespace changes
Inline Side-by-side
Showing with 1035 additions and 331 deletions
include/vlc_osd.h
View file @ 4d4eb334
......@@ -249,10 +249,13 @@ struct text_style_t
int i_background_alpha;/**< The transparency of the background.
0x00 is fully opaque,
0xFF fully transparent */
int i_karaoke_background_color;/**< Background color for karaoke 0xRRGGBB */
int i_karaoke_background_alpha;/**< The transparency of the karaoke bg.
0x00 is fully opaque,
0xFF fully transparent */
int i_outline_width; /**< The width of the outline in pixels */
int i_shadow_width; /**< The width of the shadow in pixels */
int i_spacing; /**< The spaceing between glyphs in pixels */
int i_text_align; /**< An alignment hint for the text */
};
/* Style flags for \ref text_style_t */
......@@ -265,7 +268,7 @@ struct text_style_t
#define STYLE_STRIKEOUT 64
static const text_style_t default_text_style = { NULL, 22, 0xffffff, 0xff, STYLE_OUTLINE,
0x000000, 0xff, 0x000000, 0xff, 0xffffff, 0x80, 1, 0, -1, 0 };
0x000000, 0xff, 0x000000, 0xff, 0xffffff, 0x80, 0xffffff, 0xff, 1, 0, -1 };
......
modules/codec/sdl_image.c
View file @ 4d4eb334
......@@ -52,6 +52,7 @@ static picture_t *DecodeBlock ( decoder_t *, block_t ** );
vlc_module_begin();
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_VCODEC );
set_shortname( _("SDL Image decoder"));
set_description( _("SDL_image video decoder") );
set_capability( "decoder", 60 );
set_callbacks( OpenDecoder, CloseDecoder );
......
modules/codec/subsdec.c
View file @ 4d4eb334
......@@ -30,15 +30,34 @@
#include <vlc/vlc.h>
#include <vlc_vout.h>
#include <vlc_codec.h>
#include <vlc_input.h>
#include <vlc_osd.h>
#include <vlc_filter.h>
#include <vlc_image.h>
#include <vlc_charset.h>
#include <vlc_stream.h>
#include <vlc_xml.h>
#include <errno.h>
#include <string.h>
#define NO_BREAKING_SPACE "&#160;"
enum
{
ATTRIBUTE_ALIGNMENT = (1 << 0),
ATTRIBUTE_X = (1 << 1),
ATTRIBUTE_X_PERCENT = (1 << 2),
ATTRIBUTE_Y = (1 << 3),
ATTRIBUTE_Y_PERCENT = (1 << 4),
};
typedef struct
{
char *psz_filename;
picture_t *p_pic;
} image_attach_t;
typedef struct
{
char * psz_stylename; /* The name of the style, no comma's allowed */
......@@ -46,6 +65,8 @@ typedef struct
int i_align;
int i_margin_h;
int i_margin_v;
int i_margin_percent_h;
int i_margin_percent_v;
} ssa_style_t;
/*****************************************************************************
......@@ -62,6 +83,9 @@ struct decoder_sys_t
ssa_style_t **pp_ssa_styles;
int i_ssa_styles;
image_attach_t **pp_images;
int i_images;
};
/*****************************************************************************
......@@ -74,12 +98,15 @@ 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 ParseUSFHeaderTags( decoder_t *, xml_reader_t * );
static void ParseSSAString ( decoder_t *, char *, subpicture_t * );
static void ParseUSFString ( decoder_t *, char *, subpicture_t * );
static subpicture_region_t *ParseUSFString ( decoder_t *, char *, subpicture_t * );
static void ParseColor ( decoder_t *, char *, int *, int * );
static char *StripTags ( char * );
static char *CreateHtmlSubtitle ( char * );
static char *CreatePlainText( char * );
static int ParseImageAttachments( decoder_t *p_dec );
static subpicture_region_t *LoadEmbeddedImage( decoder_t *p_dec, subpicture_t *p_spu, const char *psz_filename, int i_transparent_color );
#define DEFAULT_NAME "Default"
#define MAX_LINE 8192
......@@ -205,8 +232,8 @@ static int OpenDecoder( vlc_object_t *p_this )
p_sys->b_ass = VLC_FALSE;
p_sys->i_original_height = -1;
p_sys->i_original_width = -1;
p_sys->pp_ssa_styles = NULL;
p_sys->i_ssa_styles = 0;
TAB_INIT( p_sys->i_ssa_styles, p_sys->pp_ssa_styles );
TAB_INIT( p_sys->i_images, p_sys->pp_images );
char *psz_charset = NULL;
/* First try demux-specified encoding */
......@@ -271,6 +298,8 @@ static int OpenDecoder( vlc_object_t *p_this )
var_Get( p_dec, "subsdec-align", &val );
p_sys->i_align = val.i_int;
ParseImageAttachments( p_dec );
if( p_dec->fmt_in.i_codec == VLC_FOURCC('s','s','a',' ') && var_CreateGetBool( p_dec, "subsdec-formatted" ) )
{
if( p_dec->fmt_in.i_extra > 0 )
......@@ -313,22 +342,41 @@ static void CloseDecoder( vlc_object_t *p_this )
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->iconv_handle != (vlc_iconv_t)-1 )
{
vlc_iconv_close( p_sys->iconv_handle );
}
if( p_sys->pp_ssa_styles )
{
int i;
for( i = 0; i < p_sys->i_ssa_styles; i++ )
{
if( p_sys->pp_ssa_styles[i]->psz_stylename ) free( p_sys->pp_ssa_styles[i]->psz_stylename );
p_sys->pp_ssa_styles[i]->psz_stylename = NULL;
if( p_sys->pp_ssa_styles[i]->font_style.psz_fontname ) free( p_sys->pp_ssa_styles[i]->font_style.psz_fontname );
p_sys->pp_ssa_styles[i]->font_style.psz_fontname = NULL;
if( p_sys->pp_ssa_styles[i] ) free( p_sys->pp_ssa_styles[i] ); p_sys->pp_ssa_styles[i] = NULL;
if( !p_sys->pp_ssa_styles[i] )
continue;
if( p_sys->pp_ssa_styles[i]->psz_stylename )
free( p_sys->pp_ssa_styles[i]->psz_stylename );
if( p_sys->pp_ssa_styles[i]->font_style.psz_fontname )
free( p_sys->pp_ssa_styles[i]->font_style.psz_fontname );
if( p_sys->pp_ssa_styles[i] )
free( p_sys->pp_ssa_styles[i] );
}
TAB_CLEAN( p_sys->i_ssa_styles, p_sys->pp_ssa_styles );
}
if( p_sys->pp_images )
{
int i;
for( i = 0; i < p_sys->i_images; i++ )
{
if( !p_sys->pp_images[i] )
continue;
if( p_sys->pp_images[i]->p_pic )
p_sys->pp_images[i]->p_pic->pf_release( p_sys->pp_images[i]->p_pic );
if( p_sys->pp_images[i]->psz_filename )
free( p_sys->pp_images[i]->psz_filename );
free( p_sys->pp_images[i] );
}
free( p_sys->pp_ssa_styles ); p_sys->pp_ssa_styles = NULL;
TAB_CLEAN( p_sys->i_images, p_sys->pp_images );
}
free( p_sys );
......@@ -468,7 +516,10 @@ static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
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->pf_destroy_region( VLC_OBJECT(p_dec), p_spu->p_region );
p_spu->p_region = 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;
......@@ -482,108 +533,357 @@ 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 )
static char *GrabAttributeValue( const char *psz_attribute,
const char *psz_tag_start )
{
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;
if( psz_attribute && psz_tag_start )
{
char *psz_tag_end = strchr( psz_tag_start, '>' );
char *psz_found = strcasestr( psz_tag_start, psz_attribute );
/* 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 );
if( psz_found )
{
psz_found += strlen( psz_attribute );
for( i = 0; i < p_sys->i_ssa_styles; i++ )
if(( *(psz_found++) == '=' ) &&
( *(psz_found++) == '\"' ))
{
if( psz_found < psz_tag_end )
{
int i_len = strcspn( psz_found, "\"" );
return strndup( psz_found, i_len );
}
}
}
}
return NULL;
}
static ssa_style_t *ParseStyle( decoder_sys_t *p_sys, char *psz_subtitle )
{
ssa_style_t *p_style = NULL;
char *psz_style = GrabAttributeValue( "style", psz_subtitle );
if( psz_style )
{
if( !strcasecmp( p_sys->pp_ssa_styles[i]->psz_stylename, "Default" ) )
p_style = p_sys->pp_ssa_styles[i];
int i;
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];
}
free( psz_style );
}
return p_style;
}
/* The StripTags() function doesn't do everything we need (eg. <br/> tag )
* so do it here ourselves.
static int ParsePositionAttributeList( char *psz_subtitle, int *i_align, int *i_x, int *i_y )
{
int i_mask = 0;
char *psz_align = GrabAttributeValue( "alignment", psz_subtitle );
char *psz_margin_x = GrabAttributeValue( "horizontal-margin", psz_subtitle );
char *psz_margin_y = GrabAttributeValue( "vertical-margin", psz_subtitle );
/* -- UNSUPPORTED
char *psz_relative = GrabAttributeValue( "relative-to", psz_subtitle );
char *psz_rotate_x = GrabAttributeValue( "rotate-x", psz_subtitle );
char *psz_rotate_y = GrabAttributeValue( "rotate-y", psz_subtitle );
char *psz_rotate_z = GrabAttributeValue( "rotate-z", psz_subtitle );
*/
*i_align = SUBPICTURE_ALIGN_BOTTOM;
*i_x = 0;
*i_y = 0;
if( psz_align )
{
if( !strcasecmp( "TopLeft", psz_align ) )
*i_align = SUBPICTURE_ALIGN_TOP | SUBPICTURE_ALIGN_LEFT;
else if( !strcasecmp( "TopCenter", psz_align ) )
*i_align = SUBPICTURE_ALIGN_TOP;
else if( !strcasecmp( "TopRight", psz_align ) )
*i_align = SUBPICTURE_ALIGN_TOP | SUBPICTURE_ALIGN_RIGHT;
else if( !strcasecmp( "MiddleLeft", psz_align ) )
*i_align = SUBPICTURE_ALIGN_LEFT;
else if( !strcasecmp( "MiddleCenter", psz_align ) )
*i_align = 0;
else if( !strcasecmp( "MiddleRight", psz_align ) )
*i_align = SUBPICTURE_ALIGN_RIGHT;
else if( !strcasecmp( "BottomLeft", psz_align ) )
*i_align = SUBPICTURE_ALIGN_BOTTOM | SUBPICTURE_ALIGN_LEFT;
else if( !strcasecmp( "BottomCenter", psz_align ) )
*i_align = SUBPICTURE_ALIGN_BOTTOM;
else if( !strcasecmp( "BottomRight", psz_align ) )
*i_align = SUBPICTURE_ALIGN_BOTTOM | SUBPICTURE_ALIGN_RIGHT;
i_mask |= ATTRIBUTE_ALIGNMENT;
free( psz_align );
}
if( psz_margin_x )
{
*i_x = atoi( psz_margin_x );
if( strchr( psz_margin_x, '%' ) )
i_mask |= ATTRIBUTE_X_PERCENT;
else
i_mask |= ATTRIBUTE_X;
free( psz_margin_x );
}
if( psz_margin_y )
{
*i_y = atoi( psz_margin_y );
if( strchr( psz_margin_y, '%' ) )
i_mask |= ATTRIBUTE_Y_PERCENT;
else
i_mask |= ATTRIBUTE_Y;
free( psz_margin_y );
}
return i_mask;
}
static void SetupPositions( subpicture_region_t *p_region, char *psz_subtitle )
{
int i_mask = 0;
int i_align;
int i_x, i_y;
i_mask = ParsePositionAttributeList( psz_subtitle, &i_align, &i_x, &i_y );
if( i_mask & ATTRIBUTE_ALIGNMENT )
p_region->i_align = i_align;
/* TODO: Setup % based offsets properly, without adversely affecting
* everything else in vlc. Will address with separate patch, to
* prevent this one being any more complicated.
*/
psz_text_start = malloc( strlen( psz_subtitle ));
if( i_mask & ATTRIBUTE_X )
p_region->i_x = i_x;
else if( i_mask & ATTRIBUTE_X_PERCENT )
p_region->i_x = 0;
if( i_mask & ATTRIBUTE_Y )
p_region->i_y = i_y;
else if( i_mask & ATTRIBUTE_Y_PERCENT )
p_region->i_y = 0;
}
static subpicture_region_t *CreateTextRegion( decoder_t *p_dec,
subpicture_t *p_spu,
char *psz_subtitle,
int i_len,
int i_sys_align )
{
decoder_sys_t *p_sys = p_dec->p_sys;
subpicture_region_t *p_text_region;
video_format_t fmt;
/* Create a new subpicture region */
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = VLC_FOURCC('T','E','X','T');
fmt.i_aspect = 0;
fmt.i_width = fmt.i_height = 0;
fmt.i_x_offset = fmt.i_y_offset = 0;
p_text_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt );
if( p_text_region != NULL )
{
ssa_style_t *p_style = NULL;
p_text_region->psz_text = NULL;
p_text_region->psz_html = strndup( psz_subtitle, i_len );
if( ! p_text_region->psz_html )
{
msg_Err( p_dec, "out of memory" );
p_spu->pf_destroy_region( VLC_OBJECT(p_dec), p_text_region );
return NULL;
}
p_style = ParseStyle( p_sys, p_text_region->psz_html );
if( !p_style )
{
int i;
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];
}
}
if( p_style )
{
msg_Dbg( p_dec, "style is: %s", p_style->psz_stylename );
p_text_region->p_style = &p_style->font_style;
p_text_region->i_align = p_style->i_align;
/* TODO: Setup % based offsets properly, without adversely affecting
* everything else in vlc. Will address with separate patch,
* to prevent this one being any more complicated.
* p_style->i_margin_percent_h;
* p_style->i_margin_percent_v;
*/
p_text_region->i_x = p_style->i_margin_h;
p_text_region->i_y = p_style->i_margin_v;
}
else
{
p_text_region->i_align = SUBPICTURE_ALIGN_BOTTOM | i_sys_align;
p_text_region->i_x = i_sys_align ? 20 : 0;
p_text_region->i_y = 10;
}
/* Look for position arguments which may override the style-based
* defaults.
*/
SetupPositions( p_text_region, psz_subtitle );
p_text_region->p_next = NULL;
}
return p_text_region;
}
static subpicture_region_t *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;
subpicture_region_t *p_region_first = NULL;
subpicture_region_t *p_region_upto = p_region_first;
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_end = NULL;
if(( !strncasecmp( psz_subtitle, "<text ", 6 )) ||
( !strncasecmp( psz_subtitle, "<text>", 6 )))
{
char *psz_style = strcasestr( psz_subtitle, "style=\"" );
psz_end = strcasestr( psz_subtitle, "</text>" );
if( psz_end )
{
subpicture_region_t *p_text_region;
psz_end += strcspn( psz_end, ">" ) + 1;
if( psz_style && ( psz_style < strchr( psz_subtitle, '>' ) ))
p_text_region = CreateTextRegion( p_dec,
p_spu,
psz_subtitle,
psz_end - psz_subtitle,
p_sys->i_align );
if( p_text_region )
p_text_region->psz_text = CreatePlainText( p_text_region->psz_html );
if( !p_region_first )
{
p_region_first = p_region_upto = p_text_region;
}
else if( p_text_region )
{
p_region_upto->p_next = p_text_region;
p_region_upto = p_region_upto->p_next;
}
}
}
else if(( !strncasecmp( psz_subtitle, "<karaoke ", 9 )) ||
( !strncasecmp( psz_subtitle, "<karaoke>", 9 )))
{
psz_end = strcasestr( psz_subtitle, "</karaoke>" );
if( psz_end )
{
int i_len;
subpicture_region_t *p_text_region;
psz_style += strspn( psz_style, "\"" ) + 1;
i_len = strcspn( psz_style, "\"" );
psz_end += strcspn( psz_end, ">" ) + 1;
psz_style[ i_len ] = '\0';
p_text_region = CreateTextRegion( p_dec,
p_spu,
psz_subtitle,
psz_end - psz_subtitle,
p_sys->i_align );
if( !p_region_first )
{
p_region_first = p_region_upto = p_text_region;
}
else if( p_text_region )
{
p_region_upto->p_next = p_text_region;
p_region_upto = p_region_upto->p_next;
}
}
}
else if(( !strncasecmp( psz_subtitle, "<image ", 7 )) ||
( !strncasecmp( psz_subtitle, "<image>", 7 )))
{
subpicture_region_t *p_image_region = NULL;
for( i = 0; i < p_sys->i_ssa_styles; i++ )
char *psz_end = strcasestr( psz_subtitle, "</image>" );
char *psz_content = strchr( psz_subtitle, '>' );
int i_transparent = -1;
/* If a colorkey parameter is specified, then we have to map
* that index in the picture through as transparent (it is
* required by the USF spec but is also recommended that if the
* creator really wants a transparent colour that they use a
* type like PNG that properly supports it; this goes doubly
* for VLC because the pictures are stored internally in YUV
* and the resulting colour-matching may not produce the
* desired results.)
*/
char *psz_tmp = GrabAttributeValue( "colorkey", psz_subtitle );
if( psz_tmp )
{
if( *psz_tmp == '#' )
i_transparent = strtol( psz_tmp + 1, NULL, 16 ) & 0x00ffffff;
free( psz_tmp );
}
if( psz_content && ( psz_content < psz_end ) )
{
char *psz_filename = strndup( &psz_content[1], psz_end - &psz_content[1] );
if( psz_filename )
{
if( !strcmp( p_sys->pp_ssa_styles[i]->psz_stylename, psz_style ) )
p_style = p_sys->pp_ssa_styles[i];
p_image_region = LoadEmbeddedImage( p_dec, p_spu, psz_filename, i_transparent );
free( psz_filename );
}
}
if( psz_end ) psz_end += strcspn( psz_end, ">" ) + 1;
if( p_image_region )
{
SetupPositions( p_image_region, psz_subtitle );
psz_style[ i_len ] = '\"';
p_image_region->p_next = NULL;
p_image_region->psz_text = NULL;
p_image_region->psz_html = NULL;
}
if( !p_region_first )
{
p_region_first = p_region_upto = p_image_region;
}
else if( p_image_region )
{
p_region_upto->p_next = p_image_region;
p_region_upto = p_region_upto->p_next;
}
}
if( psz_end )
psz_subtitle = psz_end - 1;
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->p_region->i_align = 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->p_region->i_align = p_style->i_align;
}
return p_region_first;
}
static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *p_spu_in )
......@@ -612,11 +912,16 @@ static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *
if( *psz_buffer_sub == ',' )
{
i_comma++;
if( i_comma == 2 ) psz_style_start = &psz_buffer_sub[1];
if( i_comma == 3 ) psz_style_end = &psz_buffer_sub[0];
if( i_comma == 4 ) i_margin_l = (int)strtol( psz_buffer_sub+1, NULL, 10 );
if( i_comma == 5 ) i_margin_r = (int)strtol( psz_buffer_sub+1, NULL, 10 );
if( i_comma == 6 ) i_margin_v = (int)strtol( psz_buffer_sub+1, NULL, 10 );
if( i_comma == 2 )
psz_style_start = &psz_buffer_sub[1];
else if( i_comma == 3 )
psz_style_end = &psz_buffer_sub[0];
else if( i_comma == 4 )
i_margin_l = (int)strtol( &psz_buffer_sub[1], NULL, 10 );
else if( i_comma == 5 )
i_margin_r = (int)strtol( &psz_buffer_sub[1], NULL, 10 );
else if( i_comma == 6 )
i_margin_v = (int)strtol( &psz_buffer_sub[1], NULL, 10 );
}
psz_buffer_sub++;
}
......@@ -664,9 +969,7 @@ static void ParseSSAString( decoder_t *p_dec, char *psz_subtitle, subpicture_t *
psz_new_subtitle[i_text] = '\0';
i_strlen = __MAX( psz_style_end - psz_style_start, 0);
psz_style = (char *)malloc( i_strlen + 1);
psz_style = memcpy( psz_style, psz_style_start, i_strlen );
psz_style[i_strlen] = '\0';
psz_style = strndup( psz_style_start, i_strlen );
for( i = 0; i < p_sys->i_ssa_styles; i++ )
{
......@@ -740,12 +1043,122 @@ static void ParseColor( decoder_t *p_dec, char *psz_color, int *pi_color, int *p
*pi_alpha = ( i_color & 0xFF000000 ) >> 24;
}
static int ParseImageAttachments( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
input_attachment_t **pp_attachments;
int i_attachments_cnt;
int k = 0;
if( VLC_SUCCESS != decoder_GetInputAttachments( p_dec, &pp_attachments, &i_attachments_cnt ))
return VLC_EGENERIC;
for( k = 0; k < i_attachments_cnt; k++ )
{
input_attachment_t *p_attach = pp_attachments[k];
vlc_fourcc_t type = 0;
if( ( !strcmp( p_attach->psz_mime, "image/bmp" ) ) || /* BMP */
( !strcmp( p_attach->psz_mime, "image/x-bmp" ) ) ||
( !strcmp( p_attach->psz_mime, "image/x-bitmap" ) ) ||
( !strcmp( p_attach->psz_mime, "image/x-ms-bmp" ) ) )
{
type = VLC_FOURCC('b','m','p',' ');
}
else if( ( !strcmp( p_attach->psz_mime, "image/x-portable-anymap" ) ) || /* PNM */
( !strcmp( p_attach->psz_mime, "image/x-portable-bitmap" ) ) || /* PBM */
( !strcmp( p_attach->psz_mime, "image/x-portable-graymap" ) ) || /* PGM */
( !strcmp( p_attach->psz_mime, "image/x-portable-pixmap" ) ) ) /* PPM */
{
type = VLC_FOURCC('p','n','m',' ');
}
else if ( !strcmp( p_attach->psz_mime, "image/gif" ) ) /* GIF */
type = VLC_FOURCC('g','i','f',' ');
else if ( !strcmp( p_attach->psz_mime, "image/jpeg" ) ) /* JPG, JPEG */
type = VLC_FOURCC('j','p','e','g');
else if ( !strcmp( p_attach->psz_mime, "image/pcx" ) ) /* PCX */
type = VLC_FOURCC('p','c','x',' ');
else if ( !strcmp( p_attach->psz_mime, "image/png" ) ) /* PNG */
type = VLC_FOURCC('p','n','g',' ');
else if ( !strcmp( p_attach->psz_mime, "image/tiff" ) ) /* TIF, TIFF */
type = VLC_FOURCC('t','i','f','f');
else if ( !strcmp( p_attach->psz_mime, "image/x-tga" ) ) /* TGA */
type = VLC_FOURCC('t','g','a',' ');
else if ( !strcmp( p_attach->psz_mime, "image/x-xpixmap") ) /* XPM */
type = VLC_FOURCC('x','p','m',' ');
if( ( type != 0 ) &&
( p_attach->i_data > 0 ) &&
( p_attach->p_data != NULL ) )
{
picture_t *p_pic = NULL;
image_handler_t *p_image;
p_image = image_HandlerCreate( p_dec );
if( p_image != NULL )
{
block_t *p_block;
p_block = block_New( p_image->p_parent, p_attach->i_data );
if( p_block != NULL )
{
video_format_t fmt_in;
video_format_t fmt_out;
memcpy( p_block->p_buffer, p_attach->p_data, p_attach->i_data );
memset( &fmt_in, 0, sizeof( video_format_t));
memset( &fmt_out, 0, sizeof( video_format_t));
fmt_in.i_chroma = type;
fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
/* Find a suitable decoder module */
if( module_Exists( p_dec, "SDL Image decoder" ) )
{
/* ffmpeg thinks it can handle bmp properly but it can't (at least
* not all of them), so use sdl_image if it is available */
vlc_value_t val;
var_Create( p_dec, "codec", VLC_VAR_MODULE | VLC_VAR_DOINHERIT );
val.psz_string = (char*) "sdl_image";
var_Set( p_dec, "codec", val );
}
p_pic = image_Read( p_image, p_block, &fmt_in, &fmt_out );
var_Destroy( p_dec, "codec" );
}
image_HandlerDelete( p_image );
}
if( p_pic )
{
image_attach_t *p_picture = malloc( sizeof(image_attach_t) );
if( p_picture )
{
p_picture->psz_filename = strdup( p_attach->psz_name );
p_picture->p_pic = p_pic;
TAB_APPEND( p_sys->i_images, p_sys->pp_images, p_picture );
}
}
}
vlc_input_attachment_Delete( pp_attachments[ k ] );
}
free( pp_attachments );
return VLC_SUCCESS;
}
/*****************************************************************************
* 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;
......@@ -754,35 +1167,36 @@ static void ParseUSFHeader( decoder_t *p_dec )
p_dec->fmt_in.p_extra,
p_dec->fmt_in.i_extra,
VLC_TRUE );
if( p_sub )
if( !p_sub )
return;
p_xml = xml_Create( p_dec );
if( p_xml )
{
p_xml = xml_Create( p_dec );
if( p_xml )
p_xml_reader = xml_ReaderCreate( p_xml, p_sub );
if( p_xml_reader )
{
p_xml_reader = xml_ReaderCreate( p_xml, p_sub );
if( p_xml_reader )
/* Look for Root Node */
if( xml_ReaderRead( p_xml_reader ) == 1 )
{
/* 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 );
char *psz_node = xml_ReaderName( p_xml_reader );
free( psz_node );
}
if( !strcasecmp( "usfsubtitles", psz_node ) )
ParseUSFHeaderTags( p_dec, p_xml_reader );
xml_ReaderDelete( p_xml, p_xml_reader );
free( psz_node );
}
xml_Delete( p_xml );
xml_ReaderDelete( p_xml, p_xml_reader );
}
stream_Delete( p_sub );
xml_Delete( p_xml );
}
stream_Delete( p_sub );
}
static void ParseUSFHeaderTags( decoder_sys_t *p_sys, xml_reader_t *p_xml_reader )
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_style = NULL;
int i_style_level = 0;
......@@ -798,212 +1212,277 @@ static void ParseUSFHeaderTags( decoder_sys_t *p_sys, xml_reader_t *p_xml_reader
case XML_READER_ENDELEM:
psz_node = xml_ReaderName( p_xml_reader );
if( psz_node )
if( !psz_node )
break;
switch (i_style_level)
{
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 );
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_style );
p_style = NULL;
i_style_level--;
}
break;
}
free( psz_node );
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( !psz_node )
break;
if( !strcasecmp( "metadata", psz_node ) && (i_style_level == 0) )
{
if( !strcasecmp( "metadata", psz_node ) && (i_style_level == 0) )
{
i_metadata_level++;
}
else if( !strcasecmp( "resolution", psz_node ) && (i_metadata_level == 1) )
i_metadata_level++;
}
else if( !strcasecmp( "resolution", psz_node ) && (i_metadata_level == 1) )
{
while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
{
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 )
{
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 );
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) )
}
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) );
if( ! p_style )
{
i_style_level++;
msg_Err( p_dec, "out of memory" );
free( psz_node );
break;
}
else if( !strcasecmp( "style", psz_node ) && (i_style_level == 1) )
/* 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++ )
{
i_style_level++;
p_style = calloc( 1, sizeof(ssa_style_t) );
while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
if( !strcasecmp( p_sys->pp_ssa_styles[i]->psz_stylename, "Default" ) )
{
char *psz_name = xml_ReaderName ( p_xml_reader );
char *psz_value = xml_ReaderValue ( p_xml_reader );
ssa_style_t *p_default_style = p_sys->pp_ssa_styles[i];
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 );
memcpy( p_style, p_default_style, sizeof( ssa_style_t ) );
p_style->font_style.psz_fontname = strdup( p_style->font_style.psz_fontname );
p_style->psz_stylename = NULL;
}
}
else if( !strcasecmp( "fontstyle", psz_node ) && (i_style_level == 2) )
while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
{
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 )
{
char *psz_name = xml_ReaderName ( p_xml_reader );
char *psz_value = xml_ReaderValue ( p_xml_reader );
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( psz_name && psz_value )
{
if( !strcasecmp( "face", psz_name ) )
{
if( p_style->font_style.psz_fontname ) free( p_style->font_style.psz_fontname );
p_style->font_style.psz_fontname = strdup( psz_value );
}
else if( !strcasecmp( "size", psz_name ) )
{
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( ( *psz_value == '+' ) || ( *psz_value == '-' ) )
{
if( !strcasecmp( "yes", psz_value ))
p_style->font_style.i_style_flags |= STYLE_ITALIC;
int i_value = atoi( psz_value );
if( ( i_value >= -5 ) && ( i_value <= 5 ) )
p_style->font_style.i_font_size += ( i_value * p_style->font_style.i_font_size ) / 10;
else if( i_value < -5 )
p_style->font_style.i_font_size = - i_value;
else if( i_value > 5 )
p_style->font_style.i_font_size = i_value;
}
else if( !strcasecmp( "weight", psz_name ) )
else
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
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
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
p_style->font_style.i_style_flags &= ~STYLE_UNDERLINE;
}
else if( !strcasecmp( "color", psz_name ) )
{
if( *psz_value == '#' )
{
if( !strcasecmp( "bold", psz_value ))
p_style->font_style.i_style_flags |= STYLE_BOLD;
unsigned long col = strtol(psz_value+1, NULL, 16);
p_style->font_style.i_font_color = (col & 0x00ffffff);
p_style->font_style.i_font_alpha = (col >> 24) & 0xff;
}
else if( !strcasecmp( "underline", psz_name ) )
}
else if( !strcasecmp( "outline-color", psz_name ) )
{
if( *psz_value == '#' )
{
if( !strcasecmp( "yes", psz_value ))
p_style->font_style.i_style_flags |= STYLE_UNDERLINE;
unsigned long col = strtol(psz_value+1, NULL, 16);
p_style->font_style.i_outline_color = (col & 0x00ffffff);
p_style->font_style.i_outline_alpha = (col >> 24) & 0xff;
}
else if( !strcasecmp( "color", psz_name ) )
}
else if( !strcasecmp( "outline-level", psz_name ) )
{
p_style->font_style.i_outline_width = atoi( psz_value );
}
else if( !strcasecmp( "shadow-color", psz_name ) )
{
if( *psz_value == '#' )
{
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;
}
unsigned long col = strtol(psz_value+1, NULL, 16);
p_style->font_style.i_shadow_color = (col & 0x00ffffff);
p_style->font_style.i_shadow_alpha = (col >> 24) & 0xff;
}
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 ) )
}
else if( !strcasecmp( "shadow-level", psz_name ) )
{
p_style->font_style.i_shadow_width = atoi( psz_value );
}
else if( !strcasecmp( "back-color", psz_name ) )
{
if( *psz_value == '#' )
{
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;
}
unsigned long col = strtol(psz_value+1, NULL, 16);
p_style->font_style.i_karaoke_background_color = (col & 0x00ffffff);
p_style->font_style.i_karaoke_background_alpha = (col >> 24) & 0xff;
}
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
else if( !strcasecmp( "spacing", psz_name ) )
{
p_style->font_style.i_spacing = atoi( psz_value );
}
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
}
else if( !strcasecmp( "position", psz_node ) && (i_style_level == 2) )
}
else if( !strcasecmp( "position", psz_node ) && (i_style_level == 2) )
{
while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
{
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 )
if( psz_name && psz_value )
{
if( !strcasecmp( "alignment", psz_name ) )
{
if( !strcasecmp( "TopLeft", psz_value ) )
p_style->i_align = SUBPICTURE_ALIGN_TOP | 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 | 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 | 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 | SUBPICTURE_ALIGN_RIGHT;
}
else if( !strcasecmp( "horizontal-margin", psz_name ) )
{
if( strchr( psz_value, '%' ) )
{
p_style->i_margin_h = 0;
p_style->i_margin_percent_h = atoi( psz_value );
}
else
{
p_style->i_margin_h = atoi( psz_value );
p_style->i_margin_percent_h = 0;
}
}
else if( !strcasecmp( "vertical-margin", psz_name ) )
{
if( !strcasecmp( "alignment", psz_name ) )
if( strchr( psz_value, '%' ) )
{
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;
}
p_style->i_margin_v = 0;
p_style->i_margin_percent_v = atoi( psz_value );
}
else
{
p_style->i_margin_v = atoi( psz_value );
p_style->i_margin_percent_v = 0;
}
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
}
if( psz_name ) free( psz_name );
if( psz_value ) free( psz_value );
}
free( psz_node );
}
free( psz_node );
break;
}
}
......@@ -1102,6 +1581,11 @@ static void ParseSSAHeader( decoder_t *p_dec )
p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
p_style->i_margin_v = i_margin_v;
p_style->i_margin_percent_h = 0;
p_style->i_margin_percent_v = 0;
p_style->font_style.i_karaoke_background_color = 0xffffff;
p_style->font_style.i_karaoke_background_alpha = 0xff;
TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
}
......@@ -1153,6 +1637,11 @@ static void ParseSSAHeader( decoder_t *p_dec )
if( i_align == 0x1 || i_align == 0x2 || i_align == 0x3 ) p_style->i_align |= SUBPICTURE_ALIGN_BOTTOM;
p_style->i_margin_h = ( p_style->i_align & SUBPICTURE_ALIGN_RIGHT ) ? i_margin_r : i_margin_l;
p_style->i_margin_v = i_margin_v;
p_style->i_margin_percent_h = 0;
p_style->i_margin_percent_v = 0;
p_style->font_style.i_karaoke_background_color = 0xffffff;
p_style->font_style.i_karaoke_background_alpha = 0xff;
/*TODO: Ignored: angle i_scale_x|y (fontscaling), i_encoding */
TAB_APPEND( p_sys->i_ssa_styles, p_sys->pp_ssa_styles, p_style );
......@@ -1175,52 +1664,59 @@ eof:
static char *StripTags( char *psz_subtitle )
{
char *psz_text_start;
char *psz_text;
psz_text_start = malloc( strlen( psz_subtitle ) + 1 );
psz_text = psz_text_start = malloc( strlen( psz_subtitle ) + 1 );
if( !psz_text_start )
return NULL;
if( psz_text_start != NULL )
while( *psz_subtitle )
{
char *psz_text = psz_text_start;
if( *psz_subtitle == '<' )
{
if( strncasecmp( psz_subtitle, "<br/>", 5 ) == 0 )
*psz_text++ = '\n';
while( *psz_subtitle )
psz_subtitle += strcspn( psz_subtitle, ">" );
}
else if( *psz_subtitle == '&' )
{
if( *psz_subtitle == '<' )
if( !strncasecmp( psz_subtitle, "&lt;", 4 ))
{
psz_subtitle += strcspn( psz_subtitle, ">" );
*psz_text++ = '<';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else if( *psz_subtitle == '&' )
else if( !strncasecmp( psz_subtitle, "&gt;", 4 ))
{
if( !strncasecmp( psz_subtitle, "&lt;", 4 ))
{
*psz_text++ = '<';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else if( !strncasecmp( psz_subtitle, "&gt;", 4 ))
{
*psz_text++ = '>';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else if( !strncasecmp( psz_subtitle, "&amp;", 5 ))
{
*psz_text++ = '&';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else
{
/* Assume it is just a normal ampersand */
*psz_text++ = '&';
}
*psz_text++ = '>';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else if( !strncasecmp( psz_subtitle, "&amp;", 5 ))
{
*psz_text++ = '&';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else if( !strncasecmp( psz_subtitle, "&quot;", 6 ))
{
*psz_text++ = '\"';
psz_subtitle += strcspn( psz_subtitle, ";" );
}
else
{
*psz_text++ = *psz_subtitle;
/* Assume it is just a normal ampersand */
*psz_text++ = '&';
}
psz_subtitle++;
}
*psz_text = '\0';
psz_text_start = realloc( psz_text_start, strlen( psz_text_start ) + 1 );
else
{
*psz_text++ = *psz_subtitle;
}
psz_subtitle++;
}
*psz_text = '\0';
psz_text_start = realloc( psz_text_start, strlen( psz_text_start ) + 1 );
return psz_text_start;
}
......@@ -1428,7 +1924,21 @@ static char *CreateHtmlSubtitle( char *psz_subtitle )
}
else
{
*psz_html++ = *psz_subtitle++;
*psz_html = *psz_subtitle;
if( psz_html > psz_html_start )
{
/* Check for double whitespace */
if((( *psz_html == ' ' ) ||
( *psz_html == '\t' )) &&
(( *(psz_html-1) == ' ' ) ||
( *(psz_html-1) == '\t' )))
{
strcpy( psz_html, NO_BREAKING_SPACE );
psz_html += strlen( NO_BREAKING_SPACE ) - 1;
}
}
psz_html++;
psz_subtitle++;
}
if( ( size_t )( psz_html - psz_html_start ) > i_buf_size - 10 )
......@@ -1458,3 +1968,129 @@ static char *CreateHtmlSubtitle( char *psz_subtitle )
}
return psz_html_start;
}
/* The reverse of the above function - given a HTML subtitle, turn it
* into a plain-text version, complete with sensible whitespace compaction
*/
static char *CreatePlainText( char *psz_subtitle )
{
char *psz_text = StripTags( psz_subtitle );
char *s;
if( !psz_text )
return NULL;
s = strpbrk( psz_text, "\t\r\n " );
while( s )
{
int k;
char spc = ' ';
int i_whitespace = strspn( s, "\t\r\n " );
/* Favour '\n' over other whitespaces - if one of these
* occurs in the whitespace use a '\n' as our value,
* otherwise just use a ' '
*/
for( k = 0; k < i_whitespace; k++ )
if( s[k] == '\n' ) spc = '\n';
if( i_whitespace > 1 )
{
memmove( &s[1],
&s[i_whitespace],
strlen( s ) - i_whitespace + 1 );
}
*s++ = spc;
s = strpbrk( s, "\t\r\n " );
}
return psz_text;
}
/****************************************************************************
* download and resize image located at psz_url
***************************************************************************/
static subpicture_region_t *LoadEmbeddedImage( decoder_t *p_dec, subpicture_t *p_spu, const char *psz_filename, int i_transparent_color )
{
decoder_sys_t *p_sys = p_dec->p_sys;
subpicture_region_t *p_region;
video_format_t fmt_out;
int k;
picture_t *p_pic = NULL;
for( k = 0; k < p_sys->i_images; k++ )
{
if( p_sys->pp_images &&
!strcmp( p_sys->pp_images[k]->psz_filename, psz_filename ) )
{
p_pic = p_sys->pp_images[k]->p_pic;
break;
}
}
if( !p_pic )
{
msg_Err( p_dec, "Unable to read image %s", psz_filename );
return NULL;
}
/* Display the feed's image */
memset( &fmt_out, 0, sizeof( video_format_t));
fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
fmt_out.i_aspect = VOUT_ASPECT_FACTOR;
fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
fmt_out.i_width =
fmt_out.i_visible_width = p_pic->p[Y_PLANE].i_visible_pitch;
fmt_out.i_height =
fmt_out.i_visible_height = p_pic->p[Y_PLANE].i_visible_lines;
p_region = p_spu->pf_create_region( VLC_OBJECT(p_dec), &fmt_out );
if( !p_region )
{
msg_Err( p_dec, "cannot allocate SPU region" );
return NULL;
}
vout_CopyPicture( p_dec, &p_region->picture, p_pic );
/* This isn't the best way to do this - if you really want transparency, then
* you're much better off using an image type that supports it like PNG. The
* spec requires this support though.
*/
if( i_transparent_color > 0 )
{
uint8_t i_r = ( i_transparent_color >> 16 ) & 0xff;
uint8_t i_g = ( i_transparent_color >> 8 ) & 0xff;
uint8_t i_b = ( i_transparent_color ) & 0xff;
uint8_t i_y = ( ( ( 66 * i_r + 129 * i_g + 25 * i_b + 128 ) >> 8 ) + 16 );
uint8_t i_u = ( ( -38 * i_r - 74 * i_g + 112 * i_b + 128 ) >> 8 ) + 128 ;
uint8_t i_v = ( ( 112 * i_r - 94 * i_g - 18 * i_b + 128 ) >> 8 ) + 128 ;
if( ( p_region->picture.Y_PITCH == p_region->picture.U_PITCH ) &&
( p_region->picture.Y_PITCH == p_region->picture.V_PITCH ) &&
( p_region->picture.Y_PITCH == p_region->picture.A_PITCH ) )
{
int i_lines = p_region->picture.p[ Y_PLANE ].i_lines;
if( i_lines > p_region->picture.p[ U_PLANE ].i_lines )
i_lines = p_region->picture.p[ U_PLANE ].i_lines;
if( i_lines > p_region->picture.p[ V_PLANE ].i_lines )
i_lines = p_region->picture.p[ V_PLANE ].i_lines;
if( i_lines > p_region->picture.p[ A_PLANE ].i_lines )
i_lines = p_region->picture.p[ A_PLANE ].i_lines;
int i;
for( i = 0; i < p_region->picture.A_PITCH * i_lines; i++ )
{
if(( p_region->picture.Y_PIXELS[ i ] == i_y ) &&
( p_region->picture.U_PIXELS[ i ] == i_u ) &&
( p_region->picture.V_PIXELS[ i ] == i_v ) )
{
p_region->picture.A_PIXELS[ i ] = 1;
}
}
}
}
return p_region;
}
modules/misc/freetype.c
View file @ 4d4eb334
......@@ -486,13 +486,11 @@ static int Render( filter_t *p_filter, subpicture_region_t *p_region,
if( p_line->i_width < i_width )
{
if( ( p_region->p_style && p_region->p_style->i_text_align == SUBPICTURE_ALIGN_RIGHT ) ||
( !p_region->p_style && (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT ) )
if( (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT )
{
i_align_offset = i_width - p_line->i_width;
}
else if( ( p_region->p_style && p_region->p_style->i_text_align != SUBPICTURE_ALIGN_LEFT ) ||
( !p_region->p_style && (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT ) )
else if( (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT )
{
i_align_offset = ( i_width - p_line->i_width ) / 2;
}
......@@ -637,13 +635,11 @@ static void DrawBlack( line_desc_t *p_line, int i_width, subpicture_region_t *p_
if( p_line->i_width < i_width )
{
if( ( p_region->p_style && p_region->p_style->i_text_align == SUBPICTURE_ALIGN_RIGHT ) ||
( !p_region->p_style && (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT ) )
if( (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT )
{
i_align_offset = i_width - p_line->i_width;
}
else if( ( p_region->p_style && p_region->p_style->i_text_align != SUBPICTURE_ALIGN_LEFT ) ||
( !p_region->p_style && (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT ) )
else if( (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT )
{
i_align_offset = ( i_width - p_line->i_width ) / 2;
}
......@@ -789,13 +785,11 @@ static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region,
if( p_line->i_width < i_width )
{
if( ( p_region->p_style && p_region->p_style->i_text_align == SUBPICTURE_ALIGN_RIGHT ) ||
( !p_region->p_style && (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT ) )
if( (p_region->i_align & 0x3) == SUBPICTURE_ALIGN_RIGHT )
{
i_align_offset = i_width - p_line->i_width;
}
else if( ( p_region->p_style && p_region->p_style->i_text_align != SUBPICTURE_ALIGN_LEFT ) ||
( !p_region->p_style && (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT ) )
else if( (p_region->i_align & 0x3) != SUBPICTURE_ALIGN_LEFT )
{
i_align_offset = ( i_width - p_line->i_width ) / 2;
}
......@@ -1784,12 +1778,12 @@ static int ProcessNodes( filter_t *p_filter, xml_reader_t *p_xml_reader,
int i_whitespace = strspn( s, "\t\r\n " );
if( i_whitespace > 1 )
memmove( s + 1,
s + i_whitespace,
memmove( &s[1],
&s[i_whitespace],
strlen( s ) - i_whitespace + 1 );
*s = ' ';
*s++ = ' ';
s = strpbrk( s+1, "\t\r\n " );
s = strpbrk( s, "\t\r\n " );
}
SetupLine( p_filter, psz_node, &psz_text,
pi_runs, ppi_run_lengths, ppp_styles,
......
modules/misc/quartztext.c
View file @ 4d4eb334
......@@ -559,7 +559,19 @@ static void ProcessNodes( filter_t *p_filter, xml_reader_t *p_xml_reader,
}
else if( !strcasecmp( "size", psz_name ) )
{
i_font_size = atoi( psz_value );
if( ( *psz_value == '+' ) || ( *psz_value == '-' ) )
{
int i_value = atoi( psz_value );
if( ( i_value >= -5 ) && ( i_value <= 5 ) )
i_font_size += ( i_value * i_font_size ) / 10;
else if( i_value < -5 )
i_font_size = - i_value;
else if( i_value > 5 )
i_font_size = i_value;
}
else
i_font_size = atoi( psz_value );
}
else if( !strcasecmp( "color", psz_name ) &&
( psz_value[0] == '#' ) )
......@@ -624,6 +636,21 @@ static void ProcessNodes( filter_t *p_filter, xml_reader_t *p_xml_reader,
{
uint32_t i_string_length;
// 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 " );
}
ConvertToUTF16( psz_node, &i_string_length, &psz_text );
psz_text += i_string_length;
......@@ -881,12 +908,7 @@ static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region, UniCha
if( psz_utf16_str != NULL )
{
int i_text_align = 0;
if( p_region->p_style )
i_text_align = p_region->p_style->i_text_align;
else
i_text_align = p_region->i_align & 0x3;
int i_text_align = p_region->i_align & 0x3;
p_offScreen = Compose( i_text_align, psz_utf16_str, i_text_len,
i_runs, pi_run_lengths, pp_styles,
......
src/video_output/vout_subpictures.c
View file @ 4d4eb334
......@@ -653,6 +653,8 @@ void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
while( p_region && p_spu->p_blend && p_spu->p_blend->pf_video_blend )
{
video_format_t orig_fmt = p_region->fmt;
vlc_bool_t b_rerender_text = VLC_FALSE;
int i_fade_alpha = 255;
int i_x_offset = p_region->i_x + i_subpic_x;
int i_y_offset = p_region->i_y + p_subpic->i_y;
......@@ -661,6 +663,36 @@ void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
{
if( p_spu->p_text && p_spu->p_text->p_module )
{
vlc_value_t val;
/* Setup 3 variables which can be used to render time-dependent
* text (and effects). The first indicates the total amount of
* time the text will be on screen, the second the amount of time
* it has already been on screen (can be a negative value as text
* is layed out before it is rendered) and the third is a feedback
* variable from the renderer - if the renderer sets it then this
* particular text is time-dependent, eg. the visual progress bar
* inside the text in karaoke and the text needs to be rendered
* multiple times in order for the effect to work - we therefore
* need to return the region to its original state at the end of
* the loop, instead of leaving it in YUVA or YUVP
* Any renderer which is unaware of how to render time-dependent
* text can happily ignore the variables and render the text the
* same as usual - it should at least show up on screen, but the
* effect won't change the text over time.
*/
var_Create( p_spu->p_text, "spu-duration", VLC_VAR_TIME );
val.i_time = p_subpic->i_stop - p_subpic->i_start;
var_Set( p_spu->p_text, "spu-duration", val );
var_Create( p_spu->p_text, "spu-elapsed", VLC_VAR_TIME );
val.i_time = mdate() - p_subpic->i_start;
var_Set( p_spu->p_text, "spu-elapsed", val );
var_Create( p_spu->p_text, "text-rerender", VLC_VAR_BOOL );
var_SetBool( p_spu->p_text, "text-rerender", VLC_FALSE );
if( p_spu->p_text->pf_render_html && p_region->psz_html )
{
p_spu->p_text->pf_render_html( p_spu->p_text,
......@@ -671,6 +703,12 @@ void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
p_spu->p_text->pf_render_text( p_spu->p_text,
p_region, p_region );
}
b_rerender_text = var_GetBool( p_spu->p_text, "text-rerender" );
var_Destroy( p_spu->p_text, "spu-duration" );
var_Destroy( p_spu->p_text, "spu-elapsed" );
var_Destroy( p_spu->p_text, "text-rerender" );
}
}
......@@ -855,6 +893,16 @@ void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
p_pic_src, &p_region->picture, i_x_offset, i_y_offset,
i_fade_alpha * p_subpic->i_alpha / 255 );
if( b_rerender_text )
{
/* Some forms of subtitles need to be re-rendered more than once,
* eg. karaoke. We therefore restore the region to its pre-rendered
* state, so the next time through everything is calculated again.
*/
p_region->picture.pf_release( &p_region->picture );
memset( &p_region->picture, 0, sizeof( picture_t ) );
p_region->fmt = orig_fmt;
}
p_region = p_region->p_next;
}
......
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