X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fvideo_filter%2Frss.c;h=70bbdf1ee3f5009fe39c9c628c70f30a5f0f7908;hb=4e9597b800d1140dfab1cf33c3df8c608d58878f;hp=db96b0dbbbf58ba72427a1eeaa52908231ebceb7;hpb=38311fb4d2c4a2845d771e2fcd0d96e426772cde;p=vlc diff --git a/modules/video_filter/rss.c b/modules/video_filter/rss.c index db96b0dbbb..70bbdf1ee3 100644 --- a/modules/video_filter/rss.c +++ b/modules/video_filter/rss.c @@ -1,10 +1,10 @@ /***************************************************************************** - * rss.c : rss feed display video plugin for vlc + * rss.c : rss/atom feed display video plugin for vlc ***************************************************************************** - * Copyright (C) 2003-2005 the VideoLAN team + * Copyright (C) 2003-2006 the VideoLAN team * $Id$ * - * Authors: Antoine Cellerier + * Authors: Antoine Cellerier * * 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 @@ -18,25 +18,38 @@ * * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +/***************************************************************************** + * Atom : http://www.ietf.org/rfc/rfc4287.txt + * RSS : http://www.rssboard.org/rss-specification *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ -#include /* malloc(), free() */ -#include -#include -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include #include "vlc_filter.h" #include "vlc_block.h" -#include "osd.h" +#include "vlc_osd.h" #include "vlc_block.h" #include "vlc_stream.h" #include "vlc_xml.h" +#include + +#include "vlc_image.h" + +#include /***************************************************************************** * Local prototypes @@ -48,11 +61,13 @@ static subpicture_t *Filter( filter_t *, mtime_t ); static int FetchRSS( filter_t * ); static void FreeRSS( filter_t * ); -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 char *ppsz_color_descriptions[] = { N_("Default"), N_("Black"), +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"), @@ -74,6 +89,8 @@ struct rss_feed_t char *psz_title; char *psz_description; char *psz_link; + char *psz_image; + picture_t *p_pic; int i_items; struct rss_item_t *p_items; @@ -91,90 +108,127 @@ struct filter_sys_t char *psz_marquee; /* marquee string */ - int i_font_color, i_font_opacity, i_font_size; /* font control */ + text_style_t *p_style; /* font control */ mtime_t last_date; - //vlc_bool_t b_need_update; - char *psz_urls; int i_feeds; struct rss_feed_t *p_feeds; + int i_ttl; + time_t t_last_update; + bool b_images; + int i_title; + int i_cur_feed; int i_cur_item; int i_cur_char; }; -#define MSG_TEXT N_("RSS feed URLs") -#define MSG_LONGTEXT N_("RSS feed comma seperated URLs") -#define SPEED_TEXT N_("RSS feed speed") -#define SPEED_LONGTEXT N_("RSS feed speed (bigger is slower)") -#define LENGTH_TEXT N_("RSS feed max number of chars displayed") -#define LENGTH_LONGTEXT N_("RSS feed max number of chars displayed") - -#define POSX_TEXT N_("X offset, from left") -#define POSX_LONGTEXT N_("X offset, from the left screen edge" ) -#define POSY_TEXT N_("Y offset, from the top") -#define POSY_LONGTEXT N_("Y offset, down from the top" ) +#define MSG_TEXT N_("Feed URLs") +#define MSG_LONGTEXT N_("RSS/Atom feed '|' (pipe) seperated URLs.") +#define SPEED_TEXT N_("Speed of feeds") +#define SPEED_LONGTEXT N_("Speed of the RSS/Atom feeds in microseconds (bigger is slower).") +#define LENGTH_TEXT N_("Max length") +#define LENGTH_LONGTEXT N_("Maximum number of characters displayed on the " \ + "screen." ) +#define TTL_TEXT N_("Refresh time") +#define TTL_LONGTEXT N_("Number of seconds between each forced refresh " \ + "of the feeds. 0 means that the feeds are never updated." ) +#define IMAGE_TEXT N_("Feed images") +#define IMAGE_LONGTEXT N_("Display feed images if available.") + +#define POSX_TEXT N_("X offset") +#define POSX_LONGTEXT N_("X offset, from the left screen edge." ) +#define POSY_TEXT N_("Y offset") +#define POSY_LONGTEXT N_("Y offset, down from the top." ) #define OPACITY_TEXT N_("Opacity") -#define OPACITY_LONGTEXT N_("The opacity (inverse of transparency) of " \ - "overlay text. 0 = transparent, 255 = totally opaque. " ) +#define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \ + "overlay text. 0 = transparent, 255 = totally opaque." ) + #define SIZE_TEXT N_("Font size, pixels") -#define SIZE_LONGTEXT N_("Specify the font size, in pixels, " \ - "with -1 = use freetype-fontsize" ) +#define SIZE_LONGTEXT N_("Font size, in pixels. Default is -1 (use default " \ + "font size)." ) -#define COLOR_TEXT N_("Text Default Color") -#define COLOR_LONGTEXT N_("The color of overlay text. 1 byte for each color, hexadecimal. " \ - "#000000 = all colors off, " \ - "0xFF0000 = just Red, 0xFFFFFF = all color on [White]" ) +#define COLOR_TEXT N_("Color") +#define COLOR_LONGTEXT N_("Color of the text that will be rendered on "\ + "the video. This must be an hexadecimal (like HTML colors). The first two "\ + "chars are for red, then green, then blue. #000000 = black, #FF0000 = red,"\ + " #00FF00 = green, #FFFF00 = yellow (red + green), #FFFFFF = white" ) -#define POS_TEXT N_("Marquee position") +#define POS_TEXT N_("Text position") #define POS_LONGTEXT N_( \ - "You can enforce the marquee position on the video " \ - "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \ - "also use combinations of these values by adding them).") + "You can enforce the text position on the video " \ + "(0=center, 1=left, 2=right, 4=top, 8=bottom; you can " \ + "also use combinations of these values, eg 6 = top-right).") + +#define TITLE_TEXT N_("Title display mode") +#define TITLE_LONGTEXT N_("Title display mode. Default is 0 (hidden) if the feed has an image and feed images are enabled, 1 otherwise.") -static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 }; -static 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") }; +enum title_modes { + default_title=-1, + hide_title, + prepend_title, + scroll_title }; + +static const int pi_title_modes[] = { default_title, hide_title, prepend_title, scroll_title }; +static const char *const ppsz_title_modes[] = + { N_("Default"), N_("Don't show"), N_("Always visible"), N_("Scroll with feed") }; + +#define CFG_PREFIX "rss-" + /***************************************************************************** * Module descriptor *****************************************************************************/ vlc_module_begin(); - set_capability( "sub filter", 0 ); - set_shortname( N_("RSS" )); + set_capability( "sub filter", 1 ); + set_shortname( "RSS / Atom" ); set_callbacks( CreateFilter, DestroyFilter ); set_category( CAT_VIDEO ); set_subcategory( SUBCAT_VIDEO_SUBPIC ); - add_string( "rss-urls", "rss", NULL, MSG_TEXT, MSG_LONGTEXT, VLC_FALSE ); + add_string( CFG_PREFIX "urls", "rss", NULL, MSG_TEXT, MSG_LONGTEXT, false ); set_section( N_("Position"), NULL ); - add_integer( "rss-x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, VLC_FALSE ); - add_integer( "rss-y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_FALSE ); - add_integer( "rss-position", 5, NULL, POS_TEXT, POS_LONGTEXT, VLC_TRUE ); + add_integer( CFG_PREFIX "x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, true ); + add_integer( CFG_PREFIX "y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, true ); + add_integer( CFG_PREFIX "position", -1, NULL, POS_TEXT, POS_LONGTEXT, false ); + change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 ); set_section( N_("Font"), NULL ); /* 5 sets the default to top [1] left [4] */ - change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 ); - add_integer_with_range( "rss-opacity", 255, 0, 255, NULL, - OPACITY_TEXT, OPACITY_LONGTEXT, VLC_FALSE ); - add_integer( "rss-color", 0xFFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT, VLC_TRUE ); + add_integer_with_range( CFG_PREFIX "opacity", 255, 0, 255, NULL, + OPACITY_TEXT, OPACITY_LONGTEXT, false ); + add_integer( CFG_PREFIX "color", 0xFFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT, + false ); change_integer_list( pi_color_values, ppsz_color_descriptions, 0 ); - add_integer( "rss-size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE ); + add_integer( CFG_PREFIX "size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT, false ); set_section( N_("Misc"), NULL ); - add_integer( "rss-speed", 100000, NULL, SPEED_TEXT, SPEED_LONGTEXT, - VLC_FALSE ); - add_integer( "rss-length", 60, NULL, LENGTH_TEXT, LENGTH_LONGTEXT, - VLC_FALSE ); - - set_description( _("RSS feed display sub filter") ); + add_integer( CFG_PREFIX "speed", 100000, NULL, SPEED_TEXT, SPEED_LONGTEXT, + false ); + add_integer( CFG_PREFIX "length", 60, NULL, LENGTH_TEXT, LENGTH_LONGTEXT, + false ); + add_integer( CFG_PREFIX "ttl", 1800, NULL, TTL_TEXT, TTL_LONGTEXT, false ); + add_bool( CFG_PREFIX "images", 1, NULL, IMAGE_TEXT, IMAGE_LONGTEXT, false ); + add_integer( CFG_PREFIX "title", default_title, NULL, TITLE_TEXT, TITLE_LONGTEXT, false ); + change_integer_list( pi_title_modes, ppsz_title_modes, 0 ); + + set_description( N_("RSS and Atom feed display") ); add_shortcut( "rss" ); + add_shortcut( "atom" ); vlc_module_end(); +static const char *const ppsz_filter_options[] = { + "urls", "x", "y", "position", "color", "size", "speed", "length", + "ttl", "images", "title", NULL +}; + /***************************************************************************** * CreateFilter: allocates RSS video filter *****************************************************************************/ @@ -187,51 +241,98 @@ static int CreateFilter( vlc_object_t *p_this ) /* 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; - } - vlc_mutex_init( p_filter, &p_sys->lock ); + vlc_mutex_init( &p_sys->lock ); vlc_mutex_lock( &p_sys->lock ); - p_sys->psz_urls = var_CreateGetString( p_filter, "rss-urls" ); + config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options, + p_filter->p_cfg ); + + p_sys->psz_urls = var_CreateGetString( p_filter, CFG_PREFIX "urls" ); + p_sys->i_title = var_CreateGetInteger( p_filter, CFG_PREFIX "title" ); p_sys->i_cur_feed = 0; - p_sys->i_cur_item = 0; + p_sys->i_cur_item = p_sys->i_title == scroll_title ? -1 : 0; p_sys->i_cur_char = 0; p_sys->i_feeds = 0; p_sys->p_feeds = NULL; - p_sys->i_speed = var_CreateGetInteger( p_filter, "rss-speed" ); - p_sys->i_length = var_CreateGetInteger( p_filter, "rss-length" ); - p_sys->psz_marquee = (char *)malloc( p_sys->i_length ); - - p_sys->i_xoff = var_CreateGetInteger( p_filter, "rss-x" ); - p_sys->i_yoff = var_CreateGetInteger( p_filter, "rss-y" ); - p_sys->i_pos = var_CreateGetInteger( p_filter, "rss-position" ); - var_Create( p_filter, "rss-opacity", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT ); - p_sys->i_font_opacity = var_CreateGetInteger( p_filter, "rss-opacity" ); - p_sys->i_font_color = var_CreateGetInteger( p_filter, "rss-color" ); - p_sys->i_font_size = var_CreateGetInteger( p_filter, "rss-size" ); + p_sys->i_speed = var_CreateGetInteger( p_filter, CFG_PREFIX "speed" ); + p_sys->i_length = var_CreateGetInteger( p_filter, CFG_PREFIX "length" ); + p_sys->i_ttl = __MAX( 0, var_CreateGetInteger( p_filter, CFG_PREFIX "ttl" ) ); + p_sys->b_images = var_CreateGetBool( p_filter, CFG_PREFIX "images" ); + + p_sys->psz_marquee = (char *)malloc( p_sys->i_length + 1 ); + if( p_sys->psz_marquee == NULL ) + { + vlc_mutex_unlock( &p_sys->lock ); + vlc_mutex_destroy( &p_sys->lock ); + free( p_sys->psz_urls ); + free( p_sys ); + return VLC_ENOMEM; + } + p_sys->psz_marquee[p_sys->i_length] = '\0'; + + p_sys->p_style = malloc( sizeof( text_style_t )); + if( p_sys->p_style == NULL ) + { + free( p_sys->psz_marquee ); + vlc_mutex_unlock( &p_sys->lock ); + vlc_mutex_destroy( &p_sys->lock ); + free( p_sys->psz_urls ); + free( p_sys ); + return VLC_ENOMEM; + } + memcpy( p_sys->p_style, &default_text_style, sizeof( text_style_t )); + + p_sys->i_xoff = var_CreateGetInteger( p_filter, CFG_PREFIX "x" ); + p_sys->i_yoff = var_CreateGetInteger( p_filter, CFG_PREFIX "y" ); + p_sys->i_pos = var_CreateGetInteger( p_filter, CFG_PREFIX "position" ); + p_sys->p_style->i_font_alpha = 255 - var_CreateGetInteger( p_filter, CFG_PREFIX "opacity" ); + p_sys->p_style->i_font_color = var_CreateGetInteger( p_filter, CFG_PREFIX "color" ); + p_sys->p_style->i_font_size = var_CreateGetInteger( p_filter, CFG_PREFIX "size" ); + + if( p_sys->b_images == true && p_sys->p_style->i_font_size == -1 ) + { + msg_Warn( p_filter, "rss-size wasn't specified. Feed images will thus be displayed without being resized" ); + } if( FetchRSS( p_filter ) ) { msg_Err( p_filter, "failed while fetching RSS ... too bad" ); + free( p_sys->p_style ); + free( p_sys->psz_marquee ); vlc_mutex_unlock( &p_sys->lock ); + vlc_mutex_destroy( &p_sys->lock ); + free( p_sys->psz_urls ); + free( p_sys ); return VLC_EGENERIC; } + p_sys->t_last_update = time( NULL ); if( p_sys->i_feeds == 0 ) { + free( p_sys->p_style ); + free( p_sys->psz_marquee ); vlc_mutex_unlock( &p_sys->lock ); + vlc_mutex_destroy( &p_sys->lock ); + free( p_sys->psz_urls ); + free( p_sys ); return VLC_EGENERIC; } for( i_feed=0; i_feed < p_sys->i_feeds; i_feed ++ ) + { if( p_sys->p_feeds[i_feed].i_items == 0 ) { + free( p_sys->p_style ); + free( p_sys->psz_marquee ); + FreeRSS( p_filter ); vlc_mutex_unlock( &p_sys->lock ); + vlc_mutex_destroy( &p_sys->lock ); + free( p_sys->psz_urls ); + free( p_sys ); return VLC_EGENERIC; } - + } /* Misc init */ p_filter->pf_sub_filter = Filter; p_sys->last_date = (mtime_t)0; @@ -250,7 +351,8 @@ static void DestroyFilter( vlc_object_t *p_this ) vlc_mutex_lock( &p_sys->lock ); - if( p_sys->psz_marquee ) free( p_sys->psz_marquee ); + free( p_sys->p_style ); + free( p_sys->psz_marquee ); free( p_sys->psz_urls ); FreeRSS( p_filter ); vlc_mutex_unlock( &p_sys->lock ); @@ -258,15 +360,18 @@ static void DestroyFilter( vlc_object_t *p_this ) free( p_sys ); /* Delete the RSS variables */ - var_Destroy( p_filter, "rss-urls" ); - var_Destroy( p_filter, "rss-speed" ); - var_Destroy( p_filter, "rss-length" ); - var_Destroy( p_filter, "rss-x" ); - var_Destroy( p_filter, "rss-y" ); - var_Destroy( p_filter, "rss-position" ); - var_Destroy( p_filter, "rss-color"); - var_Destroy( p_filter, "rss-opacity"); - var_Destroy( p_filter, "rss-size"); + var_Destroy( p_filter, CFG_PREFIX "urls" ); + var_Destroy( p_filter, CFG_PREFIX "speed" ); + var_Destroy( p_filter, CFG_PREFIX "length" ); + var_Destroy( p_filter, CFG_PREFIX "ttl" ); + var_Destroy( p_filter, CFG_PREFIX "images" ); + var_Destroy( p_filter, CFG_PREFIX "x" ); + var_Destroy( p_filter, CFG_PREFIX "y" ); + var_Destroy( p_filter, CFG_PREFIX "position" ); + var_Destroy( p_filter, CFG_PREFIX "color"); + var_Destroy( p_filter, CFG_PREFIX "opacity"); + var_Destroy( p_filter, CFG_PREFIX "size"); + var_Destroy( p_filter, CFG_PREFIX "title" ); } /**************************************************************************** @@ -279,45 +384,65 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date ) filter_sys_t *p_sys = p_filter->p_sys; subpicture_t *p_spu; video_format_t fmt; + subpicture_region_t *p_region; int i_feed, i_item; + struct rss_feed_t *p_feed; + + memset( &fmt, 0, sizeof(video_format_t) ); + vlc_mutex_lock( &p_sys->lock ); - /* wait more for the 1st char */ - if( p_sys->last_date + ( p_sys->i_cur_char == 0 && p_sys->i_cur_item == 0 ? 5 : 1 ) * p_sys->i_speed > date ) + if( p_sys->last_date + + ( p_sys->i_cur_char == 0 && p_sys->i_cur_item == ( p_sys->i_title == scroll_title ? -1 : 0 ) ? 5 : 1 ) + /* ( ... ? 5 : 1 ) means "wait 5 times more for the 1st char" */ + * p_sys->i_speed > date ) { vlc_mutex_unlock( &p_sys->lock ); return NULL; } + /* Do we need to update the feeds ? */ + if( p_sys->i_ttl + && time( NULL ) > p_sys->t_last_update + (time_t)p_sys->i_ttl ) + { + msg_Dbg( p_filter, "Forcing update of all the RSS feeds" ); + if( FetchRSS( p_filter ) ) + { + msg_Err( p_filter, "Failed while fetching RSS ... too bad" ); + vlc_mutex_unlock( &p_sys->lock ); + return NULL; /* FIXME : we most likely messed up all the data, + * so we might need to do something about it */ + } + p_sys->t_last_update = time( NULL ); + } + p_sys->last_date = date; p_sys->i_cur_char++; - if( p_sys->p_feeds[p_sys->i_cur_feed].p_items[p_sys->i_cur_item].psz_title[p_sys->i_cur_char] == 0 ) + if( p_sys->i_cur_item == -1 ? p_sys->p_feeds[p_sys->i_cur_feed].psz_title[p_sys->i_cur_char] == 0 : p_sys->p_feeds[p_sys->i_cur_feed].p_items[p_sys->i_cur_item].psz_title[p_sys->i_cur_char] == 0 ) { p_sys->i_cur_char = 0; p_sys->i_cur_item++; if( p_sys->i_cur_item >= p_sys->p_feeds[p_sys->i_cur_feed].i_items ) { - p_sys->i_cur_item = 0; + if( p_sys->i_title == scroll_title ) + p_sys->i_cur_item = -1; + else + p_sys->i_cur_item = 0; p_sys->i_cur_feed = (p_sys->i_cur_feed + 1)%p_sys->i_feeds; } } - p_spu = p_filter->pf_sub_buffer_new( p_filter ); + p_spu = filter_NewSubpicture( p_filter ); if( !p_spu ) { vlc_mutex_unlock( &p_sys->lock ); return NULL; } - memset( &fmt, 0, sizeof(video_format_t) ); fmt.i_chroma = VLC_FOURCC('T','E','X','T'); - fmt.i_aspect = 0; - fmt.i_width = 0; - 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 ); if( !p_spu->p_region ) { @@ -326,40 +451,121 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date ) return NULL; } + /* Generate the string that will be displayed. This string is supposed to + be p_sys->i_length characters long. */ i_item = p_sys->i_cur_item; i_feed = p_sys->i_cur_feed; - snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s", p_sys->p_feeds[i_feed].psz_title, p_sys->p_feeds[i_feed].p_items[i_item].psz_title+p_sys->i_cur_char ); + p_feed = &p_sys->p_feeds[i_feed]; + + if( ( p_feed->p_pic && p_sys->i_title == default_title ) + || p_sys->i_title == hide_title ) + { + /* Don't display the feed's title if we have an image */ + snprintf( p_sys->psz_marquee, p_sys->i_length, "%s", + p_sys->p_feeds[i_feed].p_items[i_item].psz_title + +p_sys->i_cur_char ); + } + else if( ( !p_feed->p_pic && p_sys->i_title == default_title ) + || p_sys->i_title == prepend_title ) + { + snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s", + p_sys->p_feeds[i_feed].psz_title, + p_sys->p_feeds[i_feed].p_items[i_item].psz_title + +p_sys->i_cur_char ); + } + else /* scrolling title */ + { + if( i_item == -1 ) + snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s", + p_sys->p_feeds[i_feed].psz_title + p_sys->i_cur_char, + p_sys->p_feeds[i_feed].p_items[i_item+1].psz_title ); + else + snprintf( p_sys->psz_marquee, p_sys->i_length, "%s", + p_sys->p_feeds[i_feed].p_items[i_item].psz_title + +p_sys->i_cur_char ); + } + while( strlen( p_sys->psz_marquee ) < (unsigned int)p_sys->i_length ) { i_item++; if( i_item == p_sys->p_feeds[i_feed].i_items ) break; - snprintf( strchr( p_sys->psz_marquee, 0 ), p_sys->i_length - strlen( p_sys->psz_marquee ), " - %s", p_sys->p_feeds[i_feed].p_items[i_item].psz_title ); + snprintf( strchr( p_sys->psz_marquee, 0 ), + p_sys->i_length - strlen( p_sys->psz_marquee ), + " - %s", + p_sys->p_feeds[i_feed].p_items[i_item].psz_title ); + } + + /* Calls to snprintf might split multibyte UTF8 chars ... + * which freetype doesn't like. */ + { + char *a = strdup( p_sys->psz_marquee ); + char *a2 = a; + char *b = p_sys->psz_marquee; + EnsureUTF8( p_sys->psz_marquee ); + /* we want to use ' ' instead of '?' for erroneous chars */ + while( *b != '\0' ) + { + if( *b != *a ) *b = ' '; + b++;a++; + } + free( a2 ); } p_spu->p_region->psz_text = strdup(p_sys->psz_marquee); + if( p_sys->p_style->i_font_size > 0 ) + p_spu->p_region->fmt.i_visible_height = p_sys->p_style->i_font_size; p_spu->i_start = date; p_spu->i_stop = 0; - 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->i_flags = 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 = OSD_ALIGN_LEFT | OSD_ALIGN_TOP; + p_spu->b_absolute = true; } else - { /* set to an absolute xy, referenced to upper left corner */ - p_spu->i_flags = 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->i_x = p_sys->i_xoff; + p_spu->i_y = p_sys->i_yoff; + p_spu->i_height = 1; - p_spu->p_region->i_text_color = p_sys->i_font_color; - p_spu->p_region->i_text_alpha = 255 - p_sys->i_font_opacity; - p_spu->p_region->i_text_size = p_sys->i_font_size; + p_spu->p_region->p_style = p_sys->p_style; + + if( p_feed->p_pic ) + { + /* Display the feed's image */ + picture_t *p_pic = p_feed->p_pic; + video_format_t fmt_out; + + 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_filter ), &fmt_out ); + if( !p_region ) + { + msg_Err( p_filter, "cannot allocate SPU region" ); + } + else + { + vout_CopyPicture( p_filter, &p_region->picture, p_pic ); + p_spu->p_region->p_next = p_region; + } + + /* Offset text to display right next to the image */ + p_spu->p_region->i_x = p_pic->p[Y_PLANE].i_visible_pitch; + } vlc_mutex_unlock( &p_sys->lock ); return p_spu; @@ -372,8 +578,85 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date ) * functions ***************************************************************************/ +#undef LoadImage /* do not conflict with Win32 API */ + +/**************************************************************************** + * download and resize image located at psz_url + ***************************************************************************/ +static picture_t *LoadImage( filter_t *p_filter, const char *psz_url ) +{ + filter_sys_t *p_sys = p_filter->p_sys; + video_format_t fmt_in; + video_format_t fmt_out; + picture_t *p_orig; + picture_t *p_pic = NULL; + image_handler_t *p_handler = image_HandlerCreate( p_filter ); + + memset( &fmt_in, 0, sizeof(video_format_t) ); + memset( &fmt_out, 0, sizeof(video_format_t) ); + + fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A'); + p_orig = image_ReadUrl( p_handler, psz_url, &fmt_in, &fmt_out ); + + if( !p_orig ) + { + msg_Warn( p_filter, "Unable to read image %s", psz_url ); + } + else if( p_sys->p_style->i_font_size > 0 ) + { + + fmt_in.i_chroma = VLC_FOURCC('Y','U','V','A'); + fmt_in.i_height = p_orig->p[Y_PLANE].i_visible_lines; + fmt_in.i_width = p_orig->p[Y_PLANE].i_visible_pitch; + fmt_out.i_width = p_orig->p[Y_PLANE].i_visible_pitch + *p_sys->p_style->i_font_size/p_orig->p[Y_PLANE].i_visible_lines; + fmt_out.i_height = p_sys->p_style->i_font_size; + + p_pic = image_Convert( p_handler, p_orig, &fmt_in, &fmt_out ); + picture_Release( p_orig ); + if( !p_pic ) + { + msg_Warn( p_filter, "Error while converting %s", psz_url ); + } + } + else + { + p_pic = p_orig; + } + + image_HandlerDelete( p_handler ); + + return p_pic; +} + +/**************************************************************************** + * remove all ' ' '\t' '\n' '\r' characters from the begining and end of the + * string. + ***************************************************************************/ +static char *removeWhiteChars( char *psz_src ) +{ + char *psz_src2 = strdup( psz_src ); + char *psz_clean = strdup( psz_src2 ); + char *psz_clean2; + int i; + while( ( *psz_clean == ' ' || *psz_clean == '\t' + || *psz_clean == '\n' || *psz_clean == '\r' ) + && *psz_clean != '\0' ) + { + psz_clean++; + } + i = strlen( psz_clean ); + while( --i > 0 && + ( psz_clean[i] == ' ' || psz_clean[i] == '\t' + || psz_clean[i] == '\n' || psz_clean[i] == '\r' ) ); + psz_clean[i+1] = '\0'; + psz_clean2 = strdup( psz_clean ); + free( psz_src2 ); + return psz_clean2; +} + /**************************************************************************** - * FetchRSS + * FetchRSS (or Atom) feeds ***************************************************************************/ static int FetchRSS( filter_t *p_filter) { @@ -391,14 +674,15 @@ static int FetchRSS( filter_t *p_filter) int i_feed; int i_item; - int i_is_item; + bool b_is_item; + bool b_is_image; int i_int; FreeRSS( p_filter ); p_sys->i_feeds = 1; i_int = 0; while( p_sys->psz_urls[i_int] != 0 ) - if( p_sys->psz_urls[i_int++] == ',' ) + if( p_sys->psz_urls[i_int++] == '|' ) p_sys->i_feeds++; p_sys->p_feeds = (struct rss_feed_t *)malloc( p_sys->i_feeds * sizeof( struct rss_feed_t ) ); @@ -419,16 +703,18 @@ static int FetchRSS( filter_t *p_filter) if( psz_buffer == NULL ) break; if( psz_buffer[0] == 0 ) psz_buffer++; psz_feed = psz_buffer; - psz_buffer = strchr( psz_buffer, ',' ); + psz_buffer = strchr( psz_buffer, '|' ); if( psz_buffer != NULL ) psz_buffer[0] = 0; p_feed->psz_title = NULL; p_feed->psz_description = NULL; p_feed->psz_link = NULL; + p_feed->psz_image = NULL; + p_feed->p_pic = NULL; p_feed->i_items = 0; p_feed->p_items = NULL; - msg_Dbg( p_filter, "Opening %s RSS feed ...", psz_feed ); + msg_Dbg( p_filter, "opening %s RSS/Atom feed ...", psz_feed ); p_stream = stream_UrlNew( p_filter, psz_feed ); if( !p_stream ) @@ -445,7 +731,8 @@ static int FetchRSS( filter_t *p_filter) } i_item = 0; - i_is_item = VLC_FALSE; + b_is_item = false; + b_is_image = false; while( xml_ReaderRead( p_xml_reader ) == 1 ) { @@ -456,90 +743,208 @@ static int FetchRSS( filter_t *p_filter) return 1; case XML_READER_STARTELEM: - if( psz_eltname ) free( psz_eltname ); + free( psz_eltname ); + psz_eltname = NULL; psz_eltname = xml_ReaderName( p_xml_reader ); if( !psz_eltname ) { return 1; } - msg_Dbg( p_filter, "element name : %s", psz_eltname ); - if( !strcmp( psz_eltname, "item" ) ) +# ifdef RSS_DEBUG + msg_Dbg( p_filter, "element name: %s", psz_eltname ); +# endif + if( !strcmp( psz_eltname, "item" ) /* rss */ + || !strcmp( psz_eltname, "entry" ) ) /* atom */ { - i_is_item = VLC_TRUE; + b_is_item = true; p_feed->i_items++; p_feed->p_items = (struct rss_item_t *)realloc( p_feed->p_items, p_feed->i_items * sizeof( struct rss_item_t ) ); + p_feed->p_items[p_feed->i_items-1].psz_title = NULL; + p_feed->p_items[p_feed->i_items-1].psz_description + = NULL; + p_feed->p_items[p_feed->i_items-1].psz_link = NULL; + } + else if( !strcmp( psz_eltname, "image" ) ) /* rss */ + { + b_is_image = true; + } + else if( !strcmp( psz_eltname, "link" ) ) /* atom */ + { + char *psz_href = NULL; + char *psz_rel = 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( !strcmp( psz_name, "rel" ) ) + { + psz_rel = psz_value; + } + else if( !strcmp( psz_name, "href" ) ) + { + psz_href = psz_value; + } + else + { + free( psz_value ); + } + free( psz_name ); + } + if( psz_rel && psz_href ) + { + if( !strcmp( psz_rel, "alternate" ) + && b_is_item == false + && b_is_image == false + && !p_feed->psz_link ) + { + p_feed->psz_link = psz_href; + } + /* this isn't in the rfc but i found some ... */ + else if( ( !strcmp( psz_rel, "logo" ) + || !strcmp( psz_rel, "icon" ) ) + && b_is_item == false + && b_is_image == false + && !p_feed->psz_image ) + { + p_feed->psz_image = psz_href; + } + else + { + free( psz_href ); + } + } + else + { + free( psz_href ); + } + free( psz_rel ); } break; case XML_READER_ENDELEM: - if( psz_eltname ) free( psz_eltname ); + free( psz_eltname ); + psz_eltname = NULL; psz_eltname = xml_ReaderName( p_xml_reader ); if( !psz_eltname ) { return 1; } +# ifdef RSS_DEBUG msg_Dbg( p_filter, "element end : %s", psz_eltname ); - if( !strcmp( psz_eltname, "item" ) ) +# endif + if( !strcmp( psz_eltname, "item" ) /* rss */ + || !strcmp( psz_eltname, "entry" ) ) /* atom */ { - i_is_item = VLC_FALSE; + b_is_item = false; i_item++; } - free( psz_eltname ); psz_eltname = NULL; + else if( !strcmp( psz_eltname, "image" ) ) /* rss */ + { + b_is_image = false; + } + free( psz_eltname ); + psz_eltname = NULL; break; case XML_READER_TEXT: + if( !psz_eltname ) break; psz_eltvalue = xml_ReaderValue( p_xml_reader ); if( !psz_eltvalue ) { return 1; } - msg_Dbg( p_filter, " text : %s", psz_eltvalue ); - if( i_is_item == VLC_FALSE ) + else + { + char *psz_clean; + psz_clean = removeWhiteChars( psz_eltvalue ); + free( psz_eltvalue ); psz_eltvalue = psz_clean; + } +# ifdef RSS_DEBUG + msg_Dbg( p_filter, " text : <%s>", psz_eltvalue ); +# endif + if( b_is_item == true ) { - if( !strcmp( psz_eltname, "title" ) ) + struct rss_item_t *p_item; + p_item = p_feed->p_items+i_item; + if( !strcmp( psz_eltname, "title" ) /* rss/atom */ + && !p_item->psz_title ) { - p_feed->psz_title = psz_eltvalue; + p_item->psz_title = psz_eltvalue; } - else if( !strcmp( psz_eltname, "link" ) ) + else if( !strcmp( psz_eltname, "link" ) /* rss */ + && !p_item->psz_link ) { - p_feed->psz_link = psz_eltvalue; + p_item->psz_link = psz_eltvalue; } - else if( !strcmp( psz_eltname, "description" ) ) + else if((!strcmp( psz_eltname, "description" ) /* rss */ + || !strcmp( psz_eltname, "summary" ) ) /* atom */ + && !p_item->psz_description ) { - p_feed->psz_description = psz_eltvalue; + p_item->psz_description = psz_eltvalue; } else { free( psz_eltvalue ); + psz_eltvalue = NULL; + } + } + else if( b_is_image == true ) + { + if( !strcmp( psz_eltname, "url" ) /* rss */ + && !p_feed->psz_image ) + { + p_feed->psz_image = psz_eltvalue; + } + else + { + free( psz_eltvalue ); + psz_eltvalue = NULL; } } else { - struct rss_item_t *p_item; - p_item = p_feed->p_items+i_item; - if( !strcmp( psz_eltname, "title" ) ) + if( !strcmp( psz_eltname, "title" ) /* rss/atom */ + && !p_feed->psz_title ) { - p_item->psz_title = psz_eltvalue; + p_feed->psz_title = psz_eltvalue; } - else if( !strcmp( psz_eltname, "link" ) ) + else if( !strcmp( psz_eltname, "link" ) /* rss */ + && !p_feed->psz_link ) { - p_item->psz_link = psz_eltvalue; + p_feed->psz_link = psz_eltvalue; } - else if( !strcmp( psz_eltname, "description" ) ) + else if((!strcmp( psz_eltname, "description" ) /* rss */ + || !strcmp( psz_eltname, "subtitle" ) ) /* atom */ + && !p_feed->psz_description ) { - p_item->psz_description = psz_eltvalue; + p_feed->psz_description = psz_eltvalue; + } + else if( ( !strcmp( psz_eltname, "logo" ) /* atom */ + || !strcmp( psz_eltname, "icon" ) ) /* atom */ + && !p_feed->psz_image ) + { + p_feed->psz_image = psz_eltvalue; } else { free( psz_eltvalue ); + psz_eltvalue = NULL; } } break; } } + if( p_sys->b_images == true + && p_feed->psz_image && !p_feed->p_pic ) + { + p_feed->p_pic = LoadImage( p_filter, p_feed->psz_image ); + } + if( p_xml_reader && p_xml ) xml_ReaderDelete( p_xml, p_xml_reader ); if( p_stream ) stream_Delete( p_stream ); + msg_Dbg( p_filter, "done with %s RSS/Atom feed", psz_feed ); } free( psz_buffer_2 ); if( p_xml ) xml_Delete( p_xml ); @@ -574,6 +979,9 @@ static void FreeRSS( filter_t *p_filter) free( p_feed->psz_title); free( p_feed->psz_link ); free( p_feed->psz_description ); + free( p_feed->psz_image ); + if( p_feed->p_pic != NULL ) + picture_Release( p_feed->p_pic ); } free( p_sys->p_feeds ); p_sys->i_feeds = 0;