shout.c 9.34 KB
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/*****************************************************************************
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 * shout.c:  Shoutcast services discovery module
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 *****************************************************************************
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 * Copyright (C) 2005-2007 the VideoLAN team
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 * $Id$
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 *
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 * Authors: Sigmund Augdal Helberg <dnumgis@videolan.org>
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 *          Antoine Cellerier <dionoea -@T- videolan -d.t- org>
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 *          Pierre d'Herbemont <pdherbemont # videolan.org>
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 *
 * 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
 * (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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
Antoine Cellerier's avatar
Antoine Cellerier committed
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

/*****************************************************************************
 * Includes
 *****************************************************************************/

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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_services_discovery.h>
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/*****************************************************************************
 * Module descriptor
 *****************************************************************************/
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enum type_e { ShoutRadio = 0, ShoutTV = 1, Freebox = 2, FrenchTV = 3 };
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static int  Open( vlc_object_t *, enum type_e );
static void Close( vlc_object_t * );
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struct shout_item_t
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{
    const char *psz_url;
    const char *psz_name;
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    const char *ppsz_options[2];
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    const struct shout_item_t * p_children;
};

#define endItem( ) { NULL, NULL, { NULL }, NULL }
#define item( title, url ) { url, title, { NULL }, NULL }
#define itemWithOption( title, url, option ) { url, title, { option, NULL }, NULL }
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#define itemWithChildren( title, children ) { "vlc://nop", title, { NULL }, children }
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/* WARN: We support only two levels */

static const struct shout_item_t p_frenchtv_canalplus[] = {
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    itemWithOption( N_("Les Guignols"), "http://www.canalplus.fr/index.php?pid=1784", "http-forward-cookies" ),
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    endItem()
};
    
static const struct shout_item_t p_frenchtv[] = {
    itemWithChildren( N_("Canal +"),  p_frenchtv_canalplus ),
    endItem()
};

static const struct shout_item_t p_items[] = {
    item(            N_("Shoutcast Radio"), "http/shout-winamp://www.shoutcast.com/sbin/newxml.phtml" ),
    item(            N_("Shoutcast TV"),    "http/shout-winamp://www.shoutcast.com/sbin/newtvlister.phtml?alltv=1" ),
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    item(            N_("Freebox TV"),      "http://mafreebox.freebox.fr/freeboxtv/playlist.m3u" ),
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    itemWithChildren(N_("French TV"),        p_frenchtv ),
    endItem()
};

#undef endItem
#undef item
#undef itemWithOptions
#undef itemWithChildren

struct shout_category_t {
    services_discovery_t * p_sd;
    const char * psz_category;
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};
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/* Main functions */
#define OPEN( type )                                \
static int Open ## type ( vlc_object_t *p_this )    \
{                                                   \
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    msg_Dbg( p_this, "Starting " #type );           \
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    return Open( p_this, type );                    \
}
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OPEN( ShoutRadio )
OPEN( ShoutTV )
OPEN( Freebox )
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OPEN( FrenchTV )
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vlc_module_begin ()
    set_category( CAT_PLAYLIST )
    set_subcategory( SUBCAT_PLAYLIST_SD )

    add_obsolete_integer( "shoutcast-limit" )

        set_shortname( "Shoutcast")
        set_description( N_("Shoutcast radio listings") )
        set_capability( "services_discovery", 0 )
        set_callbacks( OpenShoutRadio, Close )
        add_shortcut( "shoutcast" )

    add_submodule ()
        set_shortname( "ShoutcastTV" )
        set_description( N_("Shoutcast TV listings") )
        set_capability( "services_discovery", 0 )
        set_callbacks( OpenShoutTV, Close )
        add_shortcut( "shoutcasttv" )

    add_submodule ()
        set_shortname( "frenchtv")
        set_description( N_("French TV") )
        set_capability( "services_discovery", 0 )
        set_callbacks( OpenFrenchTV, Close )
        add_shortcut( "frenchtv" )

    add_submodule ()
        set_shortname( "Freebox")
        set_description( N_("Freebox TV listing (French ISP free.fr services)") )
        set_capability( "services_discovery", 0 )
        set_callbacks( OpenFreebox, Close )
        add_shortcut( "freebox" )

vlc_module_end ()
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/*****************************************************************************
 * Local prototypes
 *****************************************************************************/

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static void *Run( void * );
struct services_discovery_sys_t
{
    vlc_thread_t thread;
    enum type_e i_type;
};
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/*****************************************************************************
 * Open: initialize and create stuff
 *****************************************************************************/
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static int Open( vlc_object_t *p_this, enum type_e i_type )
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{
    services_discovery_t *p_sd = ( services_discovery_t* )p_this;
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    p_sd->p_sys = malloc (sizeof (*(p_sd->p_sys)));
    if (p_sd->p_sys == NULL)
        return VLC_ENOMEM;

    p_sd->p_sys->i_type = i_type;
    if (vlc_clone (&p_sd->p_sys->thread, Run, p_sd, VLC_THREAD_PRIORITY_LOW))
    {
        free (p_sd->p_sys);
        return VLC_EGENERIC;
    }
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    return VLC_SUCCESS;
}

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/*****************************************************************************
 * ItemAdded:
 *****************************************************************************/
static void ItemAdded( const vlc_event_t * p_event, void * user_data )
{
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    struct shout_category_t * params = user_data;
    services_discovery_AddItem( params->p_sd,
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            p_event->u.input_item_subitem_added.p_new_child,
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            params->psz_category );
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}

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/*****************************************************************************
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 * CreateInputItemFromShoutItem:
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 *****************************************************************************/
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static input_item_t * CreateInputItemFromShoutItem( services_discovery_t *p_sd,
                                         const struct shout_item_t * p_item )
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{
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    int i;
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    /* Create the item */
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    input_item_t *p_input = input_item_NewExt( p_sd,
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                    p_item->psz_url, _(p_item->psz_name),
                    0, NULL, -1 );

    /* Copy options */
    for( i = 0; p_item->ppsz_options[i] != NULL; i++ )
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        input_item_AddOption( p_input, p_item->ppsz_options[i], VLC_INPUT_OPTION_TRUSTED );
    input_item_AddOption( p_input, "no-playlist-autostart", VLC_INPUT_OPTION_TRUSTED );
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    return p_input;
}

/*****************************************************************************
 * AddSubitemsOfShoutItemURL:
 *****************************************************************************/
static void AddSubitemsOfShoutItemURL( services_discovery_t *p_sd,
                                       const struct shout_item_t * p_item,
                                       const char * psz_category )
{
    struct shout_category_t category = { p_sd, psz_category };

    /* Create the item */
    input_item_t *p_input = CreateInputItemFromShoutItem( p_sd, p_item );

    /* Read every subitems, and add them in ItemAdded */
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    vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemAdded,
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                      ItemAdded, &category );
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    input_Read( p_sd, p_input, true );
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    vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemAdded,
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                      ItemAdded, &category );

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    vlc_gc_decref( p_input );
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}

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/*****************************************************************************
 * Run:
 *****************************************************************************/
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static void *Run( void *data )
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{
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    services_discovery_t *p_sd = data;
    services_discovery_sys_t *p_sys = p_sd->p_sys;
    enum type_e i_type = p_sys->i_type;
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    int i, j;
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    int canc = vlc_savecancel();
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    if( !p_items[i_type].p_children )
    {
        AddSubitemsOfShoutItemURL( p_sd, &p_items[i_type], NULL );
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        vlc_restorecancel(canc);
        return NULL;
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    }
    for( i = 0; p_items[i_type].p_children[i].psz_name; i++ )
    {
        const struct shout_item_t * p_subitem = &p_items[i_type].p_children[i];
        if( !p_subitem->p_children )
        {
            AddSubitemsOfShoutItemURL( p_sd, p_subitem, p_subitem->psz_name );
            continue;
        }
        for( j = 0; p_subitem->p_children[j].psz_name; j++ )
        {
            input_item_t *p_input = CreateInputItemFromShoutItem( p_sd, &p_subitem->p_children[j] );
            services_discovery_AddItem( p_sd,
                p_input,
                p_subitem->psz_name );
            vlc_gc_decref( p_input );
        }
    }
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    vlc_restorecancel(canc);
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    return NULL;
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}

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/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
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    services_discovery_t *p_sd = (services_discovery_t *)p_this;
    services_discovery_sys_t *p_sys = p_sd->p_sys;

    vlc_join (p_sys->thread, NULL);
    free (p_sys);
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}