X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fservices_discovery%2Fpodcast.c;h=86663ae411a368e5a09131495cb1f5e1b0fa6fab;hb=56220f86120b3d7b7d8c7b2957befede19f669b6;hp=a59ae2ecfc1c2a2b18fc564f3ca7f052682325f8;hpb=05492281965ed211badf7e1f4c2220be720d3356;p=vlc diff --git a/modules/services_discovery/podcast.c b/modules/services_discovery/podcast.c index a59ae2ecfc..86663ae411 100644 --- a/modules/services_discovery/podcast.c +++ b/modules/services_discovery/podcast.c @@ -1,7 +1,7 @@ /***************************************************************************** * podcast.c: Podcast services discovery module ***************************************************************************** - * Copyright (C) 2005 the VideoLAN team + * Copyright (C) 2005-2009 the VideoLAN team * $Id$ * * Authors: Antoine Cellerier @@ -29,20 +29,14 @@ # include "config.h" #endif +#define VLC_MODULE_LICENSE VLC_LICENSE_GPL_2_PLUS #include #include -#include +#include #include -#include - -#include /* ENOMEM */ -#ifdef HAVE_UNISTD_H -# include -#endif -#ifdef HAVE_SYS_TIME_H -# include -#endif +#include +#include /************************************************************************ * Macros and definitions @@ -56,6 +50,8 @@ static int Open ( vlc_object_t * ); static void Close( vlc_object_t * ); +VLC_SD_PROBE_HELPER("podcast", "Podcasts", SD_CAT_INTERNET) + #define URLS_TEXT N_("Podcast URLs list") #define URLS_LONGTEXT N_("Enter the list of podcasts to retrieve, " \ "separated by '|' (pipe)." ) @@ -66,13 +62,14 @@ vlc_module_begin () set_category( CAT_PLAYLIST ) set_subcategory( SUBCAT_PLAYLIST_SD ) - add_string( "podcast-urls", NULL, NULL, - URLS_TEXT, URLS_LONGTEXT, false ); - change_autosave () + add_string( "podcast-urls", NULL, + URLS_TEXT, URLS_LONGTEXT, false ) set_capability( "services_discovery", 0 ) set_callbacks( Open, Close ) + VLC_SD_PROBE_SUBMODULE + vlc_module_end () @@ -80,6 +77,11 @@ vlc_module_end () * Local structures *****************************************************************************/ +enum { + UPDATE_URLS, + UPDATE_REQUEST +}; /* FIXME Temporary. Updating by compound urls string to be removed later. */ + struct services_discovery_sys_t { /* playlist node */ @@ -89,10 +91,16 @@ struct services_discovery_sys_t char **ppsz_urls; int i_urls; + input_item_t **pp_items; + int i_items; + vlc_thread_t thread; vlc_mutex_t lock; vlc_cond_t wait; bool b_update; + bool b_savedurls_loaded; + char *psz_request; + int update_type; }; /***************************************************************************** @@ -101,16 +109,22 @@ struct services_discovery_sys_t static void *Run( void * ); static int UrlsChange( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * ); +static int Request( vlc_object_t *, char const *, vlc_value_t, + vlc_value_t, void * ); +static void ParseRequest( services_discovery_t *p_sd ); static void ParseUrls( services_discovery_t *p_sd, char *psz_urls ); +static void SaveUrls( services_discovery_t *p_sd ); /***************************************************************************** * Open: initialize and create stuff *****************************************************************************/ static int Open( vlc_object_t *p_this ) { + if( strcmp( p_this->p_parent->psz_object_type, "playlist" ) ) + return VLC_EGENERIC; /* FIXME: support LibVLC SD too! */ + services_discovery_t *p_sd = ( services_discovery_t* )p_this; - services_discovery_sys_t *p_sys = malloc( - sizeof( services_discovery_sys_t ) ); + services_discovery_sys_t *p_sys = malloc( sizeof( *p_sys ) ); if( !p_sys ) return VLC_ENOMEM; @@ -118,20 +132,31 @@ static int Open( vlc_object_t *p_this ) p_sys->ppsz_urls = NULL; p_sys->i_input = 0; p_sys->pp_input = NULL; + p_sys->pp_items = NULL; + p_sys->i_items = 0; vlc_mutex_init( &p_sys->lock ); vlc_cond_init( &p_sys->wait ); p_sys->b_update = true; + p_sys->b_savedurls_loaded = false; + p_sys->psz_request = NULL; + p_sys->update_type = UPDATE_URLS; p_sd->p_sys = p_sys; - /* Give us a name */ - services_discovery_SetLocalizedName( p_sd, _("Podcasts") ); /* Launch the callback associated with this variable */ - var_Create( p_sd, "podcast-urls", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); - var_AddCallback( p_sd, "podcast-urls", UrlsChange, p_sys ); + vlc_object_t *pl = p_sd->p_parent; + var_Create( pl, "podcast-urls", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); + var_AddCallback( pl, "podcast-urls", UrlsChange, p_sys ); + + var_Create( pl, "podcast-request", VLC_VAR_STRING ); + var_AddCallback( pl, "podcast-request", Request, p_sys ); if (vlc_clone (&p_sys->thread, Run, p_sd, VLC_THREAD_PRIORITY_LOW)) { + var_DelCallback( pl, "podcast-request", Request, p_sys ); + var_DelCallback( pl, "podcast-urls", UrlsChange, p_sys ); + vlc_cond_destroy( &p_sys->wait ); + vlc_mutex_destroy( &p_sys->lock ); free (p_sys); return VLC_EGENERIC; } @@ -144,34 +169,42 @@ static int Open( vlc_object_t *p_this ) static void Close( vlc_object_t *p_this ) { services_discovery_t *p_sd = ( services_discovery_t* )p_this; - services_discovery_sys_t *p_sys = p_sd->p_sys; + services_discovery_sys_t *p_sys = p_sd->p_sys; + vlc_object_t *pl = p_sd->p_parent; int i; vlc_cancel (p_sys->thread); vlc_join (p_sys->thread, NULL); - var_DelCallback( p_sd, "podcast-urls", UrlsChange, p_sys ); + var_DelCallback( pl, "podcast-urls", UrlsChange, p_sys ); + var_DelCallback( pl, "podcast-request", Request, p_sys ); vlc_cond_destroy( &p_sys->wait ); vlc_mutex_destroy( &p_sys->lock ); for( i = 0; i < p_sys->i_input; i++ ) { - if( p_sd->p_sys->pp_input[i] ) - { - input_StopThread( p_sd->p_sys->pp_input[i] ); - vlc_object_release( p_sd->p_sys->pp_input[i] ); - p_sd->p_sys->pp_input[i] = NULL; - } + input_thread_t *p_input = p_sd->p_sys->pp_input[i]; + if( !p_input ) + continue; + + input_Stop( p_input ); + input_Close( p_input ); + + p_sd->p_sys->pp_input[i] = NULL; } free( p_sd->p_sys->pp_input ); for( i = 0; i < p_sys->i_urls; i++ ) free( p_sys->ppsz_urls[i] ); free( p_sys->ppsz_urls ); + for( i = 0; i < p_sys->i_items; i++ ) vlc_gc_decref( p_sys->pp_items[i] ); + free( p_sys->pp_items ); + free( p_sys->psz_request ); free( p_sys ); } /***************************************************************************** * Run: main thread *****************************************************************************/ +VLC_NORETURN static void *Run( void *data ) { services_discovery_t *p_sd = data; @@ -186,19 +219,28 @@ static void *Run( void *data ) int canc = vlc_savecancel (); msg_Dbg( p_sd, "Update required" ); - char* psz_urls = var_GetNonEmptyString( p_sd, "podcast-urls" ); - if( psz_urls != NULL ) + + if( p_sys->update_type == UPDATE_URLS ) + { + char *psz_urls = var_GetNonEmptyString( p_sd->p_parent, + "podcast-urls" ); ParseUrls( p_sd, psz_urls ); - free( psz_urls ); + free( psz_urls ); + } + else if( p_sys->update_type == UPDATE_REQUEST ) + ParseRequest( p_sd ); + p_sys->b_update = false; for( int i = 0; i < p_sd->p_sys->i_input; i++ ) { - if( p_sd->p_sys->pp_input[i]->b_eof - || p_sd->p_sys->pp_input[i]->b_error ) + input_thread_t *p_input = p_sd->p_sys->pp_input[i]; + + if( p_input->b_eof || p_input->b_error ) { - input_StopThread( p_sd->p_sys->pp_input[i] ); - vlc_object_release( p_sd->p_sys->pp_input[i] ); + input_Stop( p_input ); + input_Close( p_input ); + p_sd->p_sys->pp_input[i] = NULL; REMOVE_ELEM( p_sys->pp_input, p_sys->i_input, i ); i--; @@ -207,7 +249,7 @@ static void *Run( void *data ) vlc_restorecancel (canc); } vlc_cleanup_pop(); - assert(0); /* dead code */ + vlc_assert_unreachable(); /* dead code */ } static int UrlsChange( vlc_object_t *p_this, char const *psz_var, @@ -220,40 +262,186 @@ static int UrlsChange( vlc_object_t *p_this, char const *psz_var, vlc_mutex_lock( &p_sys->lock ); p_sys->b_update = true; + p_sys->update_type = UPDATE_URLS; vlc_cond_signal( &p_sys->wait ); vlc_mutex_unlock( &p_sys->lock ); return VLC_SUCCESS; } +static int Request( vlc_object_t *p_this, char const *psz_var, + vlc_value_t oldval, vlc_value_t newval, + void *p_data ) +{ + VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval); + services_discovery_sys_t *p_sys = (services_discovery_sys_t *)p_data; + + vlc_mutex_lock( &p_sys->lock ); + free( p_sys->psz_request ); + p_sys->psz_request = NULL; + if( newval.psz_string && *newval.psz_string ) { + p_sys->psz_request = strdup( newval.psz_string ); + p_sys->b_update = true; + p_sys->update_type = UPDATE_REQUEST; + vlc_cond_signal( &p_sys->wait ); + } + vlc_mutex_unlock( &p_sys->lock ); + return VLC_SUCCESS; +} + static void ParseUrls( services_discovery_t *p_sd, char *psz_urls ) { services_discovery_sys_t *p_sys = p_sd->p_sys; + int i_new_items = 0; + input_item_t **pp_new_items = NULL; + + int i_new_urls = 0; + char **ppsz_new_urls = NULL; + p_sys->b_savedurls_loaded = true; + + int i, j; + for( ;; ) { - int i; + if( !psz_urls ) + break; + char *psz_tok = strchr( psz_urls, '|' ); if( psz_tok ) *psz_tok = '\0'; + for( i = 0; i < p_sys->i_urls; i++ ) if( !strcmp( psz_urls, p_sys->ppsz_urls[i] ) ) break; if( i == p_sys->i_urls ) { - /* Only add new urls. - * FIXME: We don't delete urls which have been removed from - * the config since we don't have a way to know which inputs - * they spawned */ + INSERT_ELEM( ppsz_new_urls, i_new_urls, i_new_urls, + strdup( psz_urls ) ); + input_item_t *p_input; + p_input = input_item_New( psz_urls, psz_urls ); + input_item_AddOption( p_input, "demux=podcast", VLC_INPUT_OPTION_TRUSTED ); + + INSERT_ELEM( pp_new_items, i_new_items, i_new_items, p_input ); + services_discovery_AddItem( p_sd, p_input, NULL /* no cat */ ); + + INSERT_ELEM( p_sys->pp_input, p_sys->i_input, p_sys->i_input, + input_CreateAndStart( p_sd, p_input, NULL ) ); + } + else + { + INSERT_ELEM( ppsz_new_urls, i_new_urls, i_new_urls, + strdup( p_sys->ppsz_urls[i]) ); + INSERT_ELEM( pp_new_items, i_new_items, i_new_items, p_sys->pp_items[i] ); + } + if( psz_tok ) + psz_urls = psz_tok+1; + else + break; + } + + /* delete removed items and signal the removal */ + for( i = 0; ii_items; ++i ) + { + for( j = 0; j < i_new_items; ++j ) + if( pp_new_items[j] == p_sys->pp_items[i] ) break; + if( j == i_new_items ) + { + services_discovery_RemoveItem( p_sd, p_sys->pp_items[i] ); + vlc_gc_decref( p_sys->pp_items[i] ); + } + } + free( p_sys->pp_items ); + for( int i = 0; i < p_sys->i_urls; i++ ) + free( p_sys->ppsz_urls[i] ); + free( p_sys->ppsz_urls ); + + p_sys->ppsz_urls = ppsz_new_urls; + p_sys->i_urls = i_new_urls; + p_sys->pp_items = pp_new_items; + p_sys->i_items = i_new_items; +} + +static void ParseRequest( services_discovery_t *p_sd ) +{ + services_discovery_sys_t *p_sys = p_sd->p_sys; + + char *psz_request = p_sys->psz_request; + + int i; + + char *psz_tok = strchr( psz_request, ':' ); + if( !psz_tok ) return; + *psz_tok = '\0'; + + if ( ! p_sys->b_savedurls_loaded ) + { + char *psz_urls = var_GetNonEmptyString( p_sd->p_parent, + "podcast-urls" ); + ParseUrls( p_sd, psz_urls ); + free( psz_urls ); + } + + if( !strcmp( psz_request, "ADD" ) ) + { + psz_request = psz_tok + 1; + for( i = 0; ii_urls; i++ ) + if( !strcmp(p_sys->ppsz_urls[i],psz_request) ) + break; + if( i == p_sys->i_urls ) + { INSERT_ELEM( p_sys->ppsz_urls, p_sys->i_urls, p_sys->i_urls, - strdup( psz_urls ) ); - p_input = input_item_NewExt( p_sd, psz_urls, - psz_urls, 0, NULL, -1 ); - input_item_AddOption( p_input, "demux=podcast" ); + strdup( psz_request ) ); + + input_item_t *p_input; + p_input = input_item_New( psz_request, psz_request ); + input_item_AddOption( p_input, "demux=podcast", VLC_INPUT_OPTION_TRUSTED ); + + INSERT_ELEM( p_sys->pp_items, p_sys->i_items, p_sys->i_items, p_input ); services_discovery_AddItem( p_sd, p_input, NULL /* no cat */ ); - vlc_gc_decref( p_input ); + INSERT_ELEM( p_sys->pp_input, p_sys->i_input, p_sys->i_input, - input_CreateThread( p_sd, p_input ) ); + input_CreateAndStart( p_sd, p_input, NULL ) ); + SaveUrls( p_sd ); + } + } + else if ( !strcmp( psz_request, "RM" ) ) + { + psz_request = psz_tok + 1; + for( i = 0; ii_urls; i++ ) + if( !strcmp(p_sys->ppsz_urls[i],psz_request) ) + break; + if( i != p_sys->i_urls ) + { + services_discovery_RemoveItem( p_sd, p_sys->pp_items[i] ); + vlc_gc_decref( p_sys->pp_items[i] ); + REMOVE_ELEM( p_sys->ppsz_urls, p_sys->i_urls, i ); + REMOVE_ELEM( p_sys->pp_items, p_sys->i_items, i ); } - if( psz_tok ) psz_urls = psz_tok+1; - else return; + SaveUrls( p_sd ); + } + + free( p_sys->psz_request ); + p_sys->psz_request = NULL; +} + +static void SaveUrls( services_discovery_t *p_sd ) +{ + services_discovery_sys_t *p_sys = p_sd->p_sys; + int i; + char *psz_urls; + int len = 0; + + for( i=0; i < p_sys->i_urls; i++ ) + len += strlen( p_sys->ppsz_urls[i] ) + 1; + + psz_urls = (char*) calloc( len, sizeof(char) ); + + for( i=0; i < p_sys->i_urls; i++ ) + { + strcat( psz_urls, p_sys->ppsz_urls[i] ); + if( i < p_sys->i_urls - 1 ) strcat( psz_urls, "|" ); } + + config_PutPsz( p_sd, "podcast-urls", psz_urls ); + + free( psz_urls ); }