/*****************************************************************************
* marq.c : marquee display video plugin for vlc
*****************************************************************************
- * Copyright (C) 2003-2005 the VideoLAN team
+ * Copyright (C) 2003-2008 VLC authors and VideoLAN
* $Id$
*
* Authors: Mark Moriarty
* Sigmund Augdal Helberg <dnumgis@videolan.org>
* Antoine Cellerier <dionoea . videolan \ org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
-#include <vlc_vout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#include "vlc_filter.h"
-#include "vlc_block.h"
-#include "vlc_osd.h"
+#include <errno.h>
-#include "vlc_strings.h"
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_filter.h>
+#include <vlc_block.h>
+#include <vlc_fs.h>
+#include <vlc_strings.h>
/*****************************************************************************
* Local prototypes
static void DestroyFilter( vlc_object_t * );
static subpicture_t *Filter( filter_t *, mtime_t );
-
+static char *MarqueeReadFile( filter_t *, const char * );
static int MarqueeCallback( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval,
void *p_data );
-static int pi_color_values[] = { 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
+static const int pi_color_values[] = {
+ 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
0x00FFFFFF, 0x00800000, 0x00FF0000, 0x00FF00FF, 0x00FFFF00,
0x00808000, 0x00008000, 0x00008080, 0x0000FF00, 0x00800080,
0x00000080, 0x000000FF, 0x0000FFFF};
-static const char *ppsz_color_descriptions[] = { N_("Default"), N_("Black"),
- N_("Gray"), N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
+static const char *const ppsz_color_descriptions[] = {
+ N_("Default"), N_("Black"), N_("Gray"),
+ N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
N_("Fuchsia"), N_("Yellow"), N_("Olive"), N_("Green"),
N_("Teal"), N_("Lime"), N_("Purple"), N_("Navy"), N_("Blue"),
N_("Aqua") };
*****************************************************************************/
struct filter_sys_t
{
+ vlc_mutex_t lock;
+
int i_xoff, i_yoff; /* offsets for the display string in the video window */
int i_pos; /* permit relative positioning (top, bottom, left, right, center) */
int i_timeout;
- char *psz_marquee; /* marquee string */
+ char *format; /**< marquee text format */
+ char *filepath; /**< marquee file path */
+ char *message; /**< marquee plain text */
text_style_t *p_style; /* font control */
- time_t last_time;
-
- vlc_bool_t b_need_update;
+ mtime_t last_time;
+ mtime_t i_refresh;
};
#define MSG_TEXT N_("Text")
#define MSG_LONGTEXT N_( \
"Marquee text to display. " \
"(Available format strings: " \
- "Time related: %Y = year, %m = month, %d = day, %H = hour, " \
- "%M = minute, %S = second, ... " \
- "Meta data related: $a = artist, $b = album, $c = copyright, " \
- "$d = description, $e = encoded by, $g = genre, " \
- "$l = language, $n = track num, $p = now playing, " \
- "$r = rating, $s = subtitles language, $t = title, "\
- "$u = url, $A = date, " \
- "$B = audio bitrate (in kb/s), $C = chapter," \
- "$D = duration, $F = full name with path, $I = title, "\
- "$L = time left, " \
- "$N = name, $O = audio language, $P = position (in %), $R = rate, " \
- "$S = audio sample rate (in kHz), " \
- "$T = time, $U = publisher, $V = volume, $_ = new line) ")
+ "%Y = year, %m = month, %d = day, %H = hour, " \
+ "%M = minute, %S = second, ...)" )
+#define FILE_TEXT N_("Text file")
+#define FILE_LONGTEXT N_("File to read the marquee text from.")
#define POSX_TEXT N_("X offset")
#define POSX_LONGTEXT N_("X offset, from the left screen edge." )
#define POSY_TEXT N_("Y offset")
#define TIMEOUT_LONGTEXT N_("Number of milliseconds the marquee must remain " \
"displayed. Default value is " \
"0 (remains forever).")
+#define REFRESH_TEXT N_("Refresh period in ms")
+#define REFRESH_LONGTEXT N_("Number of milliseconds between string updates. " \
+ "This is mainly useful when using meta data " \
+ "or time format string sequences.")
#define OPACITY_TEXT N_("Opacity")
#define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \
"overlayed text. 0 = transparent, 255 = totally opaque. " )
"(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
"also use combinations of these values, eg 6 = top-right).")
-static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
-static const char *ppsz_pos_descriptions[] =
+static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
+static const char *const ppsz_pos_descriptions[] =
{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
#define CFG_PREFIX "marq-"
+#define MARQUEE_HELP N_("Display text above the video")
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-vlc_module_begin();
- set_capability( "sub filter", 0 );
- set_shortname( _("Marquee" ));
- set_callbacks( CreateFilter, DestroyFilter );
- set_category( CAT_VIDEO );
- set_subcategory( SUBCAT_VIDEO_SUBPIC );
- add_string( CFG_PREFIX "marquee", "VLC", NULL, MSG_TEXT, MSG_LONGTEXT,
- VLC_FALSE );
-
- set_section( N_("Position"), NULL );
- add_integer( CFG_PREFIX "x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, VLC_TRUE );
- add_integer( CFG_PREFIX "y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_TRUE );
- add_integer( CFG_PREFIX "position", 5, NULL, POS_TEXT, POS_LONGTEXT, VLC_FALSE );
- change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
-
- set_section( N_("Font"), NULL );
+vlc_module_begin ()
+ set_capability( "sub source", 0 )
+ set_shortname( N_("Marquee" ))
+ set_description( N_("Marquee display") )
+ set_help(MARQUEE_HELP)
+ set_callbacks( CreateFilter, DestroyFilter )
+ set_category( CAT_VIDEO )
+ set_subcategory( SUBCAT_VIDEO_SUBPIC )
+ add_string( CFG_PREFIX "marquee", "VLC", MSG_TEXT, MSG_LONGTEXT,
+ false )
+ add_loadfile( CFG_PREFIX "file", NULL, FILE_TEXT, FILE_LONGTEXT, true )
+
+ set_section( N_("Position"), NULL )
+ add_integer( CFG_PREFIX "x", 0, POSX_TEXT, POSX_LONGTEXT, true )
+ add_integer( CFG_PREFIX "y", 0, POSY_TEXT, POSY_LONGTEXT, true )
+ add_integer( CFG_PREFIX "position", -1, POS_TEXT, POS_LONGTEXT, false )
+ change_integer_list( pi_pos_values, ppsz_pos_descriptions )
+
+ set_section( N_("Font"), NULL )
/* 5 sets the default to top [1] left [4] */
- add_integer_with_range( CFG_PREFIX "opacity", 255, 0, 255, NULL,
- OPACITY_TEXT, OPACITY_LONGTEXT, VLC_FALSE );
- add_integer( CFG_PREFIX "color", 0xFFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
- VLC_FALSE );
- change_integer_list( pi_color_values, ppsz_color_descriptions, 0 );
- add_integer( CFG_PREFIX "size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT,
- VLC_FALSE );
-
- set_section( N_("Misc"), NULL );
- add_integer( CFG_PREFIX "timeout", 0, NULL, TIMEOUT_TEXT, TIMEOUT_LONGTEXT,
- VLC_FALSE );
-
- set_description( _("Marquee display") );
- add_shortcut( "marq" );
- add_shortcut( "time" );
-vlc_module_end();
-
-static const char *ppsz_filter_options[] = {
- "marquee", "x", "y", "position", "color", "size", "timeout", NULL
+ add_integer_with_range( CFG_PREFIX "opacity", 255, 0, 255,
+ OPACITY_TEXT, OPACITY_LONGTEXT, false )
+ add_rgb( CFG_PREFIX "color", 0xFFFFFF, COLOR_TEXT, COLOR_LONGTEXT,
+ false )
+ change_integer_list( pi_color_values, ppsz_color_descriptions )
+ add_integer( CFG_PREFIX "size", -1, SIZE_TEXT, SIZE_LONGTEXT,
+ false )
+ change_integer_range( -1, 4096)
+
+ set_section( N_("Misc"), NULL )
+ add_integer( CFG_PREFIX "timeout", 0, TIMEOUT_TEXT, TIMEOUT_LONGTEXT,
+ false )
+ add_integer( CFG_PREFIX "refresh", 1000, REFRESH_TEXT,
+ REFRESH_LONGTEXT, false )
+
+ add_shortcut( "time" )
+vlc_module_end ()
+
+static const char *const ppsz_filter_options[] = {
+ "marquee", "x", "y", "position", "color", "size", "timeout", "refresh",
+ "opacity","file",
+ NULL
};
/*****************************************************************************
/* Allocate structure */
p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_sys == NULL )
- {
- msg_Err( p_filter, "out of memory" );
return VLC_ENOMEM;
- }
- p_sys->p_style = malloc( sizeof( text_style_t ) );
- memcpy( p_sys->p_style, &default_text_style, sizeof( text_style_t ) );
+ vlc_mutex_init( &p_sys->lock );
+ p_sys->p_style = text_style_New();
config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
+
#define CREATE_VAR( stor, type, var ) \
p_sys->stor = var_CreateGet##type##Command( p_filter, var ); \
var_AddCallback( p_filter, var, MarqueeCallback, p_sys );
CREATE_VAR( i_xoff, Integer, "marq-x" );
CREATE_VAR( i_yoff, Integer, "marq-y" );
CREATE_VAR( i_timeout,Integer, "marq-timeout" );
+ p_sys->i_refresh = 1000 * var_CreateGetIntegerCommand( p_filter,
+ "marq-refresh" );
+ var_AddCallback( p_filter, "marq-refresh", MarqueeCallback, p_sys );
CREATE_VAR( i_pos, Integer, "marq-position" );
- CREATE_VAR( psz_marquee, String, "marq-marquee" );
- CREATE_VAR( p_style->i_font_alpha, Integer, "marq-opacity" );
+ CREATE_VAR( format, String, "marq-marquee" );
+ p_sys->filepath = var_InheritString( p_filter, "marq-file" );
+ p_sys->message = NULL;
+ p_sys->p_style->i_font_alpha = var_CreateGetIntegerCommand( p_filter,
+ "marq-opacity" );
+ var_AddCallback( p_filter, "marq-opacity", MarqueeCallback, p_sys );
CREATE_VAR( p_style->i_font_color, Integer, "marq-color" );
CREATE_VAR( p_style->i_font_size, Integer, "marq-size" );
- p_sys->p_style->i_font_alpha = 255 - p_sys->p_style->i_font_alpha ;
-
/* Misc init */
- p_filter->pf_sub_filter = Filter;
- p_sys->last_time = ((time_t)-1);
- p_sys->b_need_update = VLC_TRUE;
+ p_filter->pf_sub_source = Filter;
+ p_sys->last_time = 0;
return VLC_SUCCESS;
}
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
- if( p_sys->p_style ) free( p_sys->p_style );
- if( p_sys->psz_marquee ) free( p_sys->psz_marquee );
-
/* Delete the marquee variables */
#define DEL_VAR(var) \
var_DelCallback( p_filter, var, MarqueeCallback, p_sys ); \
var_Destroy( p_filter, var );
DEL_VAR( "marq-x" );
DEL_VAR( "marq-y" );
- DEL_VAR( "marq-marquee" );
DEL_VAR( "marq-timeout" );
+ DEL_VAR( "marq-refresh" );
DEL_VAR( "marq-position" );
- DEL_VAR( "marq-color" );
+ DEL_VAR( "marq-marquee" );
DEL_VAR( "marq-opacity" );
+ DEL_VAR( "marq-color" );
DEL_VAR( "marq-size" );
+ vlc_mutex_destroy( &p_sys->lock );
+ text_style_Delete( p_sys->p_style );
+ free( p_sys->format );
+ free( p_sys->filepath );
+ free( p_sys->message );
free( p_sys );
}
static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
{
filter_sys_t *p_sys = p_filter->p_sys;
- subpicture_t *p_spu;
+ subpicture_t *p_spu = NULL;
video_format_t fmt;
- time_t t;
- if( p_sys->last_time == time( NULL ) )
+ vlc_mutex_lock( &p_sys->lock );
+ if( p_sys->last_time + p_sys->i_refresh > date )
+ goto out;
+
+ if( p_sys->filepath != NULL )
{
- return NULL;
+ char *fmt = MarqueeReadFile( p_filter, p_sys->filepath );
+ if( fmt != NULL )
+ {
+ free( p_sys->format );
+ p_sys->format = fmt;
+ }
}
- if( p_sys->b_need_update == VLC_FALSE )
+ char *msg = str_format_time( p_sys->format ? p_sys->format : "" );
+ if( unlikely( msg == NULL ) )
+ goto out;
+ if( p_sys->message != NULL && !strcmp( msg, p_sys->message ) )
{
- return NULL;
+ free( msg );
+ goto out;
}
+ free( p_sys->message );
+ p_sys->message = msg;
- p_spu = p_filter->pf_sub_buffer_new( p_filter );
- if( !p_spu ) return NULL;
+ p_spu = filter_NewSubpicture( p_filter );
+ if( !p_spu )
+ goto out;
memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_FOURCC('T','E','X','T');
- fmt.i_aspect = 0;
+ fmt.i_chroma = VLC_CODEC_TEXT;
fmt.i_width = fmt.i_height = 0;
fmt.i_x_offset = 0;
fmt.i_y_offset = 0;
- p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
+ p_spu->p_region = subpicture_region_New( &fmt );
if( !p_spu->p_region )
{
- p_filter->pf_sub_buffer_del( p_filter, p_spu );
- return NULL;
+ subpicture_Delete( p_spu );
+ p_spu = NULL;
+ goto out;
}
- t = p_sys->last_time = time( NULL );
+ p_sys->last_time = date;
- if( strchr( p_sys->psz_marquee, '%' ) || strchr( p_sys->psz_marquee, '$' ) )
- {
- p_sys->b_need_update = VLC_TRUE;
- }
- else
- {
- p_sys->b_need_update = VLC_FALSE;
- }
- p_spu->p_region->psz_text = str_format( p_filter, p_sys->psz_marquee );
+ p_spu->p_region->psz_text = strdup( msg );
p_spu->i_start = date;
p_spu->i_stop = p_sys->i_timeout == 0 ? 0 : date + p_sys->i_timeout * 1000;
- p_spu->b_ephemer = VLC_TRUE;
+ p_spu->b_ephemer = true;
/* where to locate the string: */
- if( p_sys->i_xoff < 0 || p_sys->i_yoff < 0 )
- { /* set to one of the 9 relative locations */
- p_spu->p_region->i_align = p_sys->i_pos;
- p_spu->i_x = 0;
- p_spu->i_y = 0;
- p_spu->b_absolute = VLC_FALSE;
+ if( p_sys->i_pos < 0 )
+ { /* set to an absolute xy */
+ p_spu->p_region->i_align = SUBPICTURE_ALIGN_LEFT | SUBPICTURE_ALIGN_TOP;
+ p_spu->b_absolute = true;
}
else
- { /* set to an absolute xy, referenced to upper left corner */
- p_spu->p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
- p_spu->i_x = p_sys->i_xoff;
- p_spu->i_y = p_sys->i_yoff;
- p_spu->b_absolute = VLC_TRUE;
+ { /* set to one of the 9 relative locations */
+ p_spu->p_region->i_align = p_sys->i_pos;
+ p_spu->b_absolute = false;
}
- p_spu->p_region->p_style = p_sys->p_style;
+ p_spu->p_region->i_x = p_sys->i_xoff;
+ p_spu->p_region->i_y = p_sys->i_yoff;
+
+ p_spu->p_region->p_style = text_style_Duplicate( p_sys->p_style );
+
+out:
+ vlc_mutex_unlock( &p_sys->lock );
return p_spu;
}
+static char *MarqueeReadFile( filter_t *obj, const char *path )
+{
+ FILE *stream = vlc_fopen( path, "rt" );
+ if( stream == NULL )
+ {
+ msg_Err( obj, "cannot open %s: %s", path, vlc_strerror_c(errno) );
+ return NULL;
+ }
+
+ char *line = NULL;
+
+ ssize_t len = getline( &line, &(size_t){ 0 }, stream );
+ if( len == -1 )
+ {
+ msg_Err( obj, "cannot read %s: %s", path, vlc_strerror_c(errno) );
+ clearerr( stream );
+ line = NULL;
+ }
+ fclose( stream );
+
+ if( len >= 1 && line[len - 1] == '\n' )
+ line[--len] = '\0';
+ return line;
+}
+
/**********************************************************************
* Callback to update params on the fly
**********************************************************************/
{
filter_sys_t *p_sys = (filter_sys_t *) p_data;
- if( !strncmp( psz_var, "marq-marquee", 7 ) )
+ VLC_UNUSED(oldval);
+ VLC_UNUSED(p_this);
+
+ vlc_mutex_lock( &p_sys->lock );
+ if( !strcmp( psz_var, "marq-marquee" ) )
{
- if( p_sys->psz_marquee ) free( p_sys->psz_marquee );
- p_sys->psz_marquee = strdup( newval.psz_string );
+ free( p_sys->format );
+ p_sys->format = strdup( newval.psz_string );
}
- else if ( !strncmp( psz_var, "marq-x", 6 ) )
+ else if ( !strcmp( psz_var, "marq-x" ) )
{
p_sys->i_xoff = newval.i_int;
}
- else if ( !strncmp( psz_var, "marq-y", 6 ) )
+ else if ( !strcmp( psz_var, "marq-y" ) )
{
p_sys->i_yoff = newval.i_int;
}
- else if ( !strncmp( psz_var, "marq-color", 8 ) ) /* "marq-col" */
+ else if ( !strcmp( psz_var, "marq-color" ) )
{
p_sys->p_style->i_font_color = newval.i_int;
}
- else if ( !strncmp( psz_var, "marq-opacity", 8 ) ) /* "marq-opa" */
+ else if ( !strcmp( psz_var, "marq-opacity" ) )
{
- p_sys->p_style->i_font_alpha = 255 - newval.i_int;
+ p_sys->p_style->i_font_alpha = newval.i_int;
}
- else if ( !strncmp( psz_var, "marq-size", 6 ) )
+ else if ( !strcmp( psz_var, "marq-size" ) )
{
p_sys->p_style->i_font_size = newval.i_int;
}
- else if ( !strncmp( psz_var, "marq-timeout", 12 ) )
+ else if ( !strcmp( psz_var, "marq-timeout" ) )
{
p_sys->i_timeout = newval.i_int;
}
- else if ( !strncmp( psz_var, "marq-position", 8 ) )
+ else if ( !strcmp( psz_var, "marq-refresh" ) )
+ {
+ p_sys->i_refresh = newval.i_int * 1000;
+ }
+ else if ( !strcmp( psz_var, "marq-position" ) )
/* willing to accept a match against marq-pos */
{
p_sys->i_pos = newval.i_int;
p_sys->i_xoff = -1; /* force to relative positioning */
}
- p_sys->b_need_update = VLC_TRUE;
+
+ free( p_sys->message );
+ p_sys->message = NULL; /* force update */
+
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}