/***************************************************************************** * item.c: input_item management ***************************************************************************** * Copyright (C) 1998-2004 the VideoLAN team * $Id$ * * Authors: Clément Stenac <zorglub@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 * (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 Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include <assert.h> #include <vlc_common.h> #include <vlc_url.h> #include "vlc_playlist.h" #include "vlc_interface.h" #include "item.h" static void GuessType( input_item_t *p_item ); /** Stuff moved out of vlc_input.h -- FIXME: should probably not be inline * anyway. */ static inline void input_item_Init( vlc_object_t *p_o, input_item_t *p_i ) { memset( p_i, 0, sizeof(input_item_t) ); p_i->psz_name = NULL; p_i->psz_uri = NULL; TAB_INIT( p_i->i_es, p_i->es ); TAB_INIT( p_i->i_options, p_i->ppsz_options ); p_i->optflagv = NULL, p_i->optflagc = 0; TAB_INIT( p_i->i_categories, p_i->pp_categories ); p_i->i_type = ITEM_TYPE_UNKNOWN; p_i->b_fixed_name = true; p_i->p_stats = NULL; p_i->p_meta = NULL; vlc_mutex_init( &p_i->lock ); vlc_event_manager_t * p_em = &p_i->event_manager; vlc_event_manager_init( p_em, p_i, p_o ); vlc_event_manager_register_event_type( p_em, vlc_InputItemMetaChanged ); vlc_event_manager_register_event_type( p_em, vlc_InputItemSubItemAdded ); vlc_event_manager_register_event_type( p_em, vlc_InputItemDurationChanged ); vlc_event_manager_register_event_type( p_em, vlc_InputItemPreparsedChanged ); vlc_event_manager_register_event_type( p_em, vlc_InputItemNameChanged ); vlc_event_manager_register_event_type( p_em, vlc_InputItemInfoChanged ); vlc_event_manager_register_event_type( p_em, vlc_InputItemErrorWhenReadingChanged ); } static inline void input_item_Clean( input_item_t *p_i ) { int i; vlc_event_manager_fini( &p_i->event_manager ); free( p_i->psz_name ); free( p_i->psz_uri ); if( p_i->p_stats ) { vlc_mutex_destroy( &p_i->p_stats->lock ); free( p_i->p_stats ); } if( p_i->p_meta ) vlc_meta_Delete( p_i->p_meta ); for( i = 0; i < p_i->i_options; i++ ) free( p_i->ppsz_options[i] ); TAB_CLEAN( p_i->i_options, p_i->ppsz_options ); free( p_i->optflagv); for( i = 0; i < p_i->i_es; i++ ) { es_format_Clean( p_i->es[i] ); free( p_i->es[i] ); } TAB_CLEAN( p_i->i_es, p_i->es ); for( i = 0; i < p_i->i_categories; i++ ) { info_category_t *p_category = p_i->pp_categories[i]; int j; for( j = 0; j < p_category->i_infos; j++ ) { struct info_t *p_info = p_category->pp_infos[j]; free( p_info->psz_name); free( p_info->psz_value ); free( p_info ); } TAB_CLEAN( p_category->i_infos, p_category->pp_infos ); free( p_category->psz_name ); free( p_category ); } TAB_CLEAN( p_i->i_categories, p_i->pp_categories ); vlc_mutex_destroy( &p_i->lock ); } void input_item_SetErrorWhenReading( input_item_t *p_i, bool b_error ) { bool b_changed; vlc_mutex_lock( &p_i->lock ); b_changed = p_i->b_error_when_reading != b_error; p_i->b_error_when_reading = b_error; vlc_mutex_unlock( &p_i->lock ); if( b_changed ) { vlc_event_t event; event.type = vlc_InputItemErrorWhenReadingChanged; event.u.input_item_error_when_reading_changed.new_value = b_error; vlc_event_send( &p_i->event_manager, &event ); } } void input_item_SetPreparsed( input_item_t *p_i, bool b_preparsed ) { bool b_send_event = false; vlc_mutex_lock( &p_i->lock ); if( !p_i->p_meta ) p_i->p_meta = vlc_meta_New(); int i_new_status; if( b_preparsed ) i_new_status = p_i->p_meta->i_status | ITEM_PREPARSED; else i_new_status = p_i->p_meta->i_status & ~ITEM_PREPARSED; if( p_i->p_meta->i_status != i_new_status ) { p_i->p_meta->i_status = i_new_status; b_send_event = true; } vlc_mutex_unlock( &p_i->lock ); if( b_send_event ) { vlc_event_t event; event.type = vlc_InputItemPreparsedChanged; event.u.input_item_preparsed_changed.new_status = i_new_status; vlc_event_send( &p_i->event_manager, &event ); } } void input_item_SetArtNotFound( input_item_t *p_i, bool b_not_found ) { vlc_mutex_lock( &p_i->lock ); if( !p_i->p_meta ) p_i->p_meta = vlc_meta_New(); if( b_not_found ) p_i->p_meta->i_status |= ITEM_ART_NOTFOUND; else p_i->p_meta->i_status &= ~ITEM_ART_NOTFOUND; vlc_mutex_unlock( &p_i->lock ); } void input_item_SetArtFetched( input_item_t *p_i, bool b_art_fetched ) { vlc_mutex_lock( &p_i->lock ); if( !p_i->p_meta ) p_i->p_meta = vlc_meta_New(); if( b_art_fetched ) p_i->p_meta->i_status |= ITEM_ART_FETCHED; else p_i->p_meta->i_status &= ~ITEM_ART_FETCHED; vlc_mutex_unlock( &p_i->lock ); } void input_item_SetMeta( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz_val ) { vlc_event_t event; vlc_mutex_lock( &p_i->lock ); if( !p_i->p_meta ) p_i->p_meta = vlc_meta_New(); vlc_meta_Set( p_i->p_meta, meta_type, psz_val ); vlc_mutex_unlock( &p_i->lock ); /* Notify interested third parties */ event.type = vlc_InputItemMetaChanged; event.u.input_item_meta_changed.meta_type = meta_type; vlc_event_send( &p_i->event_manager, &event ); } /* FIXME GRRRRRRRRRR args should be in the reverse order to be * consistant with (nearly?) all or copy funcs */ void input_item_CopyOptions( input_item_t *p_parent, input_item_t *p_child ) { vlc_mutex_lock( &p_parent->lock ); for( int i = 0 ; i< p_parent->i_options; i++ ) { if( !strcmp( p_parent->ppsz_options[i], "meta-file" ) ) continue; input_item_AddOption( p_child, p_parent->ppsz_options[i], p_parent->optflagv[i] ); } vlc_mutex_unlock( &p_parent->lock ); } /* This won't hold the item, but can tell to interested third parties * Like the playlist, that there is a new sub item. With this design * It is not the input item's responsability to keep all the ref of * the input item children. */ void input_item_AddSubItem( input_item_t *p_parent, input_item_t *p_child ) { vlc_mutex_lock( &p_parent->lock ); p_parent->i_type = ITEM_TYPE_PLAYLIST; vlc_mutex_unlock( &p_parent->lock ); /* Notify interested third parties */ vlc_event_t event; event.type = vlc_InputItemSubItemAdded; event.u.input_item_subitem_added.p_new_child = p_child; vlc_event_send( &p_parent->event_manager, &event ); } bool input_item_HasErrorWhenReading( input_item_t *p_item ) { vlc_mutex_lock( &p_item->lock ); bool b_error = p_item->b_error_when_reading; vlc_mutex_unlock( &p_item->lock ); return b_error; } bool input_item_MetaMatch( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz ) { vlc_mutex_lock( &p_i->lock ); if( !p_i->p_meta ) { vlc_mutex_unlock( &p_i->lock ); return false; } const char *psz_meta = vlc_meta_Get( p_i->p_meta, meta_type ); bool b_ret = psz_meta && strcasestr( psz_meta, psz ); vlc_mutex_unlock( &p_i->lock ); return b_ret; } char *input_item_GetMeta( input_item_t *p_i, vlc_meta_type_t meta_type ) { vlc_mutex_lock( &p_i->lock ); if( !p_i->p_meta ) { vlc_mutex_unlock( &p_i->lock ); return NULL; } char *psz = NULL; if( vlc_meta_Get( p_i->p_meta, meta_type ) ) psz = strdup( vlc_meta_Get( p_i->p_meta, meta_type ) ); vlc_mutex_unlock( &p_i->lock ); return psz; } /* Get the title of a given item or fallback to the name if the title is empty */ char *input_item_GetTitleFbName( input_item_t *p_item ) { char *psz_ret; vlc_mutex_lock( &p_item->lock ); if( !p_item->p_meta ) { psz_ret = p_item->psz_name ? strdup( p_item->psz_name ) : NULL; vlc_mutex_unlock( &p_item->lock ); return psz_ret; } const char *psz_title = vlc_meta_Get( p_item->p_meta, vlc_meta_Title ); if( !EMPTY_STR( psz_title ) ) psz_ret = strdup( psz_title ); else psz_ret = p_item->psz_name ? strdup( p_item->psz_name ) : NULL; vlc_mutex_unlock( &p_item->lock ); return psz_ret; } char *input_item_GetName( input_item_t *p_item ) { vlc_mutex_lock( &p_item->lock ); char *psz_name = p_item->psz_name ? strdup( p_item->psz_name ) : NULL; vlc_mutex_unlock( &p_item->lock ); return psz_name; } void input_item_SetName( input_item_t *p_item, const char *psz_name ) { vlc_mutex_lock( &p_item->lock ); free( p_item->psz_name ); p_item->psz_name = strdup( psz_name ); vlc_mutex_unlock( &p_item->lock ); } char *input_item_GetURI( input_item_t *p_i ) { vlc_mutex_lock( &p_i->lock ); char *psz_s = p_i->psz_uri ? strdup( p_i->psz_uri ) : NULL; vlc_mutex_unlock( &p_i->lock ); return psz_s; } void input_item_SetURI( input_item_t *p_i, const char *psz_uri ) { vlc_mutex_lock( &p_i->lock ); free( p_i->psz_uri ); p_i->psz_uri = strdup( psz_uri ); GuessType( p_i ); if( !p_i->psz_name && p_i->i_type == ITEM_TYPE_FILE ) { const char *psz_filename; bool b_path = !strstr( p_i->psz_uri, "://" ); psz_filename = strrchr( p_i->psz_uri, b_path ? DIR_SEP_CHAR : '/' ); if( psz_filename && ( *psz_filename == (b_path ? DIR_SEP_CHAR : '/') ) ) psz_filename++; if( psz_filename && *psz_filename ) p_i->psz_name = strdup( psz_filename ); /* Make the name more readable */ if( !b_path && p_i->psz_name ) decode_URI( p_i->psz_name ); } /* The name is NULL: fill it with everything except login and password */ if( !p_i->psz_name ) { int r; vlc_url_t url; vlc_UrlParse( &url, psz_uri, 0 ); if( url.psz_protocol ) { if( url.i_port > 0 ) r=asprintf( &p_i->psz_name, "%s://%s:%d%s", url.psz_protocol, url.psz_host, url.i_port, url.psz_path ? url.psz_path : "" ); else r=asprintf( &p_i->psz_name, "%s://%s%s", url.psz_protocol, url.psz_host ? url.psz_host : "", url.psz_path ? url.psz_path : "" ); } else { if( url.i_port > 0 ) r=asprintf( &p_i->psz_name, "%s:%d%s", url.psz_host, url.i_port, url.psz_path ? url.psz_path : "" ); else r=asprintf( &p_i->psz_name, "%s%s", url.psz_host, url.psz_path ? url.psz_path : "" ); } vlc_UrlClean( &url ); if( -1==r ) p_i->psz_name=NULL; /* recover from undefined value */ } vlc_mutex_unlock( &p_i->lock ); } mtime_t input_item_GetDuration( input_item_t *p_i ) { vlc_mutex_lock( &p_i->lock ); mtime_t i_duration = p_i->i_duration; vlc_mutex_unlock( &p_i->lock ); return i_duration; } void input_item_SetDuration( input_item_t *p_i, mtime_t i_duration ) { bool b_send_event = false; vlc_mutex_lock( &p_i->lock ); if( p_i->i_duration != i_duration ) { p_i->i_duration = i_duration; b_send_event = true; } vlc_mutex_unlock( &p_i->lock ); if( b_send_event ) { vlc_event_t event; event.type = vlc_InputItemDurationChanged; event.u.input_item_duration_changed.new_duration = i_duration; vlc_event_send( &p_i->event_manager, &event ); } } bool input_item_IsPreparsed( input_item_t *p_item ) { vlc_mutex_lock( &p_item->lock ); bool b_preparsed = p_item->p_meta ? ( p_item->p_meta->i_status & ITEM_PREPARSED ) != 0 : false; vlc_mutex_unlock( &p_item->lock ); return b_preparsed; } bool input_item_IsArtFetched( input_item_t *p_item ) { vlc_mutex_lock( &p_item->lock ); bool b_fetched = p_item->p_meta ? ( p_item->p_meta->i_status & ITEM_ART_FETCHED ) != 0 : false; vlc_mutex_unlock( &p_item->lock ); return b_fetched; } static void input_item_Destroy ( gc_object_t *p_gc ) { input_item_t *p_item = vlc_priv( p_gc, input_item_t ); input_item_Clean( p_item ); free( p_item ); } int input_item_AddOption( input_item_t *p_input, const char *psz_option, unsigned flags ) { int err = VLC_SUCCESS; if( psz_option == NULL ) return VLC_EGENERIC; vlc_mutex_lock( &p_input->lock ); if (flags & VLC_INPUT_OPTION_UNIQUE) { for (int i = 0 ; i < p_input->i_options; i++) if( !strcmp( p_input->ppsz_options[i], psz_option ) ) goto out; } uint8_t *flagv = realloc (p_input->optflagv, p_input->optflagc + 1); if (flagv == NULL) { err = VLC_ENOMEM; goto out; } p_input->optflagv = flagv; flagv[p_input->optflagc++] = flags; INSERT_ELEM( p_input->ppsz_options, p_input->i_options, p_input->i_options, strdup( psz_option ) ); out: vlc_mutex_unlock( &p_input->lock ); return err; } /** * Get a info item from a given category in a given input item. * * \param p_i The input item to get info from * \param psz_cat String representing the category for the info * \param psz_name String representing the name of the desired info * \return A pointer to the string with the given info if found, or an * empty string otherwise. The caller should free the returned * pointer. */ char *input_item_GetInfo( input_item_t *p_i, const char *psz_cat, const char *psz_name ) { vlc_mutex_lock( &p_i->lock ); for( int i = 0; i< p_i->i_categories; i++ ) { const info_category_t *p_cat = p_i->pp_categories[i]; if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) ) continue; for( int j = 0; j < p_cat->i_infos; j++ ) { if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) ) { char *psz_ret = strdup( p_cat->pp_infos[j]->psz_value ); vlc_mutex_unlock( &p_i->lock ); return psz_ret; } } } vlc_mutex_unlock( &p_i->lock ); return strdup( "" ); } static int InputItemVaAddInfo( input_item_t *p_i, const char *psz_cat, const char *psz_name, const char *psz_format, va_list args ) { int i; info_t *p_info = NULL; info_category_t *p_cat = NULL ; vlc_assert_locked( &p_i->lock ); for( i = 0 ; i < p_i->i_categories ; i ++ ) { if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) ) { p_cat = p_i->pp_categories[i]; break; } } if( !p_cat ) { if( !(p_cat = malloc( sizeof(*p_cat) )) ) return VLC_ENOMEM; p_cat->psz_name = strdup( psz_cat ); p_cat->i_infos = 0; p_cat->pp_infos = 0; INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories, p_cat ); } for( i = 0; i< p_cat->i_infos; i++ ) { if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) ) { p_info = p_cat->pp_infos[i]; break; } } if( !p_info ) { if( ( p_info = malloc( sizeof( *p_info ) ) ) == NULL ) return VLC_ENOMEM; INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info ); p_info->psz_name = strdup( psz_name ); } else { free( p_info->psz_value ); } if( vasprintf( &p_info->psz_value, psz_format, args ) == -1 ) p_info->psz_value = NULL; return p_info->psz_value ? VLC_SUCCESS : VLC_ENOMEM; } static int InputItemAddInfo( input_item_t *p_i, const char *psz_cat, const char *psz_name, const char *psz_format, ... ) { va_list args; va_start( args, psz_format ); const int i_ret = InputItemVaAddInfo( p_i, psz_cat, psz_name, psz_format, args ); va_end( args ); return i_ret; } int input_item_AddInfo( input_item_t *p_i, const char *psz_cat, const char *psz_name, const char *psz_format, ... ) { va_list args; vlc_mutex_lock( &p_i->lock ); va_start( args, psz_format ); const int i_ret = InputItemVaAddInfo( p_i, psz_cat, psz_name, psz_format, args ); va_end( args ); vlc_mutex_unlock( &p_i->lock ); if( !i_ret ) { vlc_event_t event; event.type = vlc_InputItemInfoChanged; vlc_event_send( &p_i->event_manager, &event ); } return i_ret; } int input_item_DelInfo( input_item_t *p_i, const char *psz_cat, const char *psz_name ) { info_category_t *p_cat = NULL; int i_cat; int i; vlc_mutex_lock( &p_i->lock ); for( i_cat = 0; i_cat < p_i->i_categories; i_cat++ ) { if( !strcmp( p_i->pp_categories[i_cat]->psz_name, psz_cat ) ) { p_cat = p_i->pp_categories[i_cat]; break; } } if( p_cat == NULL ) { vlc_mutex_unlock( &p_i->lock ); return VLC_EGENERIC; } if( psz_name ) { /* Remove a specific info */ for( i = 0; i < p_cat->i_infos; i++ ) { if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) ) { free( p_cat->pp_infos[i]->psz_name ); free( p_cat->pp_infos[i]->psz_value ); free( p_cat->pp_infos[i] ); REMOVE_ELEM( p_cat->pp_infos, p_cat->i_infos, i ); break; } } if( i >= p_cat->i_infos ) { vlc_mutex_unlock( &p_i->lock ); return VLC_EGENERIC; } } else { /* Remove the complete categorie */ for( i = 0; i < p_cat->i_infos; i++ ) { free( p_cat->pp_infos[i]->psz_name ); free( p_cat->pp_infos[i]->psz_value ); free( p_cat->pp_infos[i] ); } free( p_cat->pp_infos ); REMOVE_ELEM( p_i->pp_categories, p_i->i_categories, i_cat ); } // Free the category free( p_cat->psz_name ); free( p_cat ); vlc_mutex_unlock( &p_i->lock ); vlc_event_t event; event.type = vlc_InputItemInfoChanged; vlc_event_send( &p_i->event_manager, &event ); return VLC_SUCCESS; } void input_item_SetEpg( input_item_t *p_item, const char *psz_epg, const vlc_epg_t *p_epg ) { input_item_DelInfo( p_item, psz_epg, NULL ); vlc_mutex_lock( &p_item->lock ); for( int i = 0; i < p_epg->i_event; i++ ) { const vlc_epg_event_t *p_evt = p_epg->pp_event[i]; time_t t_start = (time_t)p_evt->i_start; struct tm tm_start; char psz_start[128]; localtime_r( &t_start, &tm_start ); snprintf( psz_start, sizeof(psz_start), "%4.4d-%2.2d-%2.2d %2.2d:%2.2d:%2.2d", 1900 + tm_start.tm_year, 1 + tm_start.tm_mon, tm_start.tm_mday, tm_start.tm_hour, tm_start.tm_min, tm_start.tm_sec ); if( p_evt->psz_short_description || p_evt->psz_description ) InputItemAddInfo( p_item, psz_epg, psz_start, "%s (%2.2d:%2.2d) - %s %s", p_evt->psz_name, p_evt->i_duration/60/60, (p_evt->i_duration/60)%60, p_evt->psz_short_description ? p_evt->psz_short_description : "" , p_evt->psz_description ? p_evt->psz_description : "" ); else InputItemAddInfo( p_item, psz_epg, psz_start, "%s (%2.2d:%2.2d)", p_evt->psz_name, p_evt->i_duration/60/60, (p_evt->i_duration/60)%60 ); } vlc_mutex_unlock( &p_item->lock ); if( p_epg->i_event > 0 ) { vlc_event_t event; event.type = vlc_InputItemInfoChanged; vlc_event_send( &p_item->event_manager, &event ); } } input_item_t *__input_item_NewExt( vlc_object_t *p_obj, const char *psz_uri, const char *psz_name, int i_options, const char *const *ppsz_options, unsigned i_option_flags, mtime_t i_duration ) { return input_item_NewWithType( p_obj, psz_uri, psz_name, i_options, ppsz_options, i_option_flags, i_duration, ITEM_TYPE_UNKNOWN ); } input_item_t *input_item_NewWithType( vlc_object_t *p_obj, const char *psz_uri, const char *psz_name, int i_options, const char *const *ppsz_options, unsigned i_option_flags, mtime_t i_duration, int i_type ) { libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc); static vlc_mutex_t input_id_lock = VLC_STATIC_MUTEX; input_item_t* p_input = malloc( sizeof(input_item_t ) ); if( !p_input ) return NULL; input_item_Init( p_obj, p_input ); vlc_gc_init( p_input, input_item_Destroy ); vlc_mutex_lock( &input_id_lock ); p_input->i_id = ++priv->i_last_input_id; vlc_mutex_unlock( &input_id_lock ); p_input->b_fixed_name = false; p_input->i_type = i_type; p_input->b_prefers_tree = false; if( psz_uri ) input_item_SetURI( p_input, psz_uri ); if( i_type != ITEM_TYPE_UNKNOWN ) p_input->i_type = i_type; if( psz_name ) input_item_SetName( p_input, psz_name ); p_input->i_duration = i_duration; for( int i = 0; i < i_options; i++ ) input_item_AddOption( p_input, ppsz_options[i], i_option_flags ); return p_input; } /* Guess the type of the item using the beginning of the mrl */ static void GuessType( input_item_t *p_item) { int i; static struct { const char *psz_search; int i_type; } types_array[] = { { "http", ITEM_TYPE_NET }, { "dvd", ITEM_TYPE_DISC }, { "cdda", ITEM_TYPE_CDDA }, { "mms", ITEM_TYPE_NET }, { "rtsp", ITEM_TYPE_NET }, { "udp", ITEM_TYPE_NET }, { "rtp", ITEM_TYPE_NET }, { "vcd", ITEM_TYPE_DISC }, { "v4l", ITEM_TYPE_CARD }, { "dshow", ITEM_TYPE_CARD }, { "pvr", ITEM_TYPE_CARD }, { "dvb", ITEM_TYPE_CARD }, { "qpsk", ITEM_TYPE_CARD }, { "sdp", ITEM_TYPE_NET }, { "ftp", ITEM_TYPE_NET }, { "smb", ITEM_TYPE_NET }, { NULL, 0 } }; if( !p_item->psz_uri || !strstr( p_item->psz_uri, "://" ) ) { p_item->i_type = ITEM_TYPE_FILE; return; } for( i = 0; types_array[i].psz_search != NULL; i++ ) { if( !strncmp( p_item->psz_uri, types_array[i].psz_search, strlen( types_array[i].psz_search ) ) ) { p_item->i_type = types_array[i].i_type; return; } } p_item->i_type = ITEM_TYPE_FILE; }