2004-06-22 21:29:37 +02:00
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/*****************************************************************************
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* vlc_input.h:
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*****************************************************************************
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* Copyright (C) 1999-2004 VideoLAN
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* $Id: input_ext-intf.h 7954 2004-06-07 22:19:12Z fenrir $
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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* Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/* __ is need because conflict with <vlc/input.h> */
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#ifndef _VLC__INPUT_H
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#define _VLC__INPUT_H 1
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/*****************************************************************************
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2004-09-14 22:30:12 +02:00
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* input_item_t: Describes an input and is used to spawn input_thread_t objects
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2004-06-22 21:29:37 +02:00
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*****************************************************************************/
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struct info_t
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{
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char *psz_name; /**< Name of this info */
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char *psz_value; /**< Value of the info */
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};
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struct info_category_t
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{
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char *psz_name; /**< Name of this category */
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int i_infos; /**< Number of infos in the category */
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struct info_t **pp_infos; /**< Pointer to an array of infos */
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};
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struct input_item_t
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{
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char *psz_name; /**< text describing this item */
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char *psz_uri; /**< mrl of this item */
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int i_options; /**< Number of input options */
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char **ppsz_options; /**< Array of input options */
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mtime_t i_duration; /**< A hint about the duration of this
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* item, in milliseconds*/
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2004-11-06 12:17:46 +01:00
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int i_id; /**< Identifier of the item */
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uint8_t i_type; /**< Type (file, disc, ...) */
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2004-06-22 21:29:37 +02:00
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int i_categories; /**< Number of info categories */
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info_category_t **pp_categories; /**< Pointer to the first info category */
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2004-09-14 22:30:12 +02:00
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int i_es; /**< Number of es format descriptions */
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es_format_t **es; /**< Pointer to an array of es formats */
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2004-11-19 16:07:55 +01:00
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vlc_bool_t b_fixed_name; /**< Can the interface change the name ?*/
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2004-06-22 21:29:37 +02:00
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vlc_mutex_t lock; /**< Item cannot be changed without this lock */
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};
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2004-11-06 12:17:46 +01:00
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#define ITEM_TYPE_UNKNOWN 0
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2005-01-11 17:52:42 +01:00
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#define ITEM_TYPE_AFILE 1
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#define ITEM_TYPE_VFILE 2
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#define ITEM_TYPE_DIRECTORY 3
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#define ITEM_TYPE_DISC 4
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#define ITEM_TYPE_CDDA 5
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#define ITEM_TYPE_CARD 6
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#define ITEM_TYPE_NET 7
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#define ITEM_TYPE_PLAYLIST 8
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#define ITEM_TYPE_NODE 9
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2004-11-06 12:17:46 +01:00
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2004-09-19 21:22:04 +02:00
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static inline void vlc_input_item_Init( vlc_object_t *p_o, input_item_t *p_i )
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{
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memset( p_i, 0, sizeof(input_item_t) );
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2004-11-06 12:17:46 +01:00
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p_i->i_options = 0;
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p_i->i_es = 0;
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p_i->i_categories = 0 ;
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2004-09-19 21:22:04 +02:00
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p_i->psz_name = 0;
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p_i->psz_uri = 0;
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p_i->ppsz_options = 0;
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p_i->pp_categories = 0;
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p_i->es = 0;
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2004-11-06 12:17:46 +01:00
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p_i->i_type = ITEM_TYPE_UNKNOWN;
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2004-11-19 16:07:55 +01:00
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p_i->b_fixed_name = VLC_TRUE;
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2004-09-19 21:22:04 +02:00
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vlc_mutex_init( p_o, &p_i->lock );
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}
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2004-11-18 00:22:43 +01:00
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static inline void vlc_input_item_CopyOptions( input_item_t *p_parent,
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input_item_t *p_child )
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{
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int i;
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for( i = 0 ; i< p_parent->i_options; i++ )
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{
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char *psz_option= strdup( p_parent->ppsz_options[i] );
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2004-11-18 01:07:28 +01:00
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p_child->i_options++;
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p_child->ppsz_options = (char **)realloc( p_child->ppsz_options,
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p_child->i_options *
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sizeof( char * ) );
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p_child->ppsz_options[p_child->i_options-1] = psz_option;
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2004-11-18 00:22:43 +01:00
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}
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}
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2004-09-19 21:22:04 +02:00
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static inline void vlc_input_item_Clean( input_item_t *p_i )
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{
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if( p_i->psz_name ) free( p_i->psz_name );
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if( p_i->psz_uri ) free( p_i->psz_uri );
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p_i->psz_name = 0;
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p_i->psz_uri = 0;
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while( p_i->i_options )
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{
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p_i->i_options--;
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if( p_i->ppsz_options[p_i->i_options] )
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free( p_i->ppsz_options[p_i->i_options] );
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if( !p_i->i_options ) free( p_i->ppsz_options );
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}
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while( p_i->i_es )
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{
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p_i->i_es--;
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es_format_Clean( p_i->es[p_i->i_es] );
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if( !p_i->i_es ) free( p_i->es );
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}
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while( p_i->i_categories )
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{
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info_category_t *p_category =
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p_i->pp_categories[--(p_i->i_categories)];
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while( p_category->i_infos )
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{
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p_category->i_infos--;
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if( p_category->pp_infos[p_category->i_infos]->psz_name )
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free( p_category->pp_infos[p_category->i_infos]->psz_name);
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if( p_category->pp_infos[p_category->i_infos]->psz_value )
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free( p_category->pp_infos[p_category->i_infos]->psz_value );
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free( p_category->pp_infos[p_category->i_infos] );
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if( !p_category->i_infos ) free( p_category->pp_infos );
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}
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if( p_category->psz_name ) free( p_category->psz_name );
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free( p_category );
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if( !p_i->i_categories ) free( p_i->pp_categories );
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}
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vlc_mutex_destroy( &p_i->lock );
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}
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2004-06-22 21:29:37 +02:00
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2005-01-16 15:10:47 +01:00
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VLC_EXPORT( char *, vlc_input_item_GetInfo, ( input_item_t *p_i, const char *psz_cat,const char *psz_name ) );
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VLC_EXPORT(int, vlc_input_item_AddInfo, ( input_item_t *p_i, const char *psz_cat, const char *psz_name, const char *psz_format, ... ) );
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2004-06-22 21:29:37 +02:00
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/*****************************************************************************
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* Seek point: (generalisation of chapters)
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*****************************************************************************/
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struct seekpoint_t
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{
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int64_t i_byte_offset;
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int64_t i_time_offset;
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char *psz_name;
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2005-02-14 10:38:51 +01:00
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int i_level;
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2004-06-22 21:29:37 +02:00
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};
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static inline seekpoint_t *vlc_seekpoint_New( void )
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{
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seekpoint_t *point = (seekpoint_t*)malloc( sizeof( seekpoint_t ) );
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point->i_byte_offset =
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point->i_time_offset = 0;
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2005-02-14 10:38:51 +01:00
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point->i_level = 0;
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2004-06-22 21:29:37 +02:00
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point->psz_name = NULL;
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return point;
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}
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static inline void vlc_seekpoint_Delete( seekpoint_t *point )
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{
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if( !point ) return;
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if( point->psz_name ) free( point->psz_name );
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free( point );
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}
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static inline seekpoint_t *vlc_seekpoint_Duplicate( seekpoint_t *src )
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{
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seekpoint_t *point = vlc_seekpoint_New();
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if( src->psz_name ) point->psz_name = strdup( src->psz_name );
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point->i_time_offset = src->i_time_offset;
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point->i_byte_offset = src->i_byte_offset;
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return point;
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}
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/*****************************************************************************
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* Title:
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*****************************************************************************/
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typedef struct
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{
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char *psz_name;
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vlc_bool_t b_menu; /* Is it a menu or a normal entry */
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int64_t i_length; /* Length(microsecond) if known, else 0 */
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int64_t i_size; /* Size (bytes) if known, else 0 */
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/* Title seekpoint */
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int i_seekpoint;
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seekpoint_t **seekpoint;
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} input_title_t;
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static inline input_title_t *vlc_input_title_New( )
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{
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input_title_t *t = (input_title_t*)malloc( sizeof( input_title_t ) );
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t->psz_name = NULL;
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t->b_menu = VLC_FALSE;
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t->i_length = 0;
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t->i_size = 0;
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t->i_seekpoint = 0;
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t->seekpoint = NULL;
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return t;
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}
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2004-09-19 21:22:04 +02:00
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2004-06-22 21:29:37 +02:00
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static inline void vlc_input_title_Delete( input_title_t *t )
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{
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int i;
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if( t == NULL )
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return;
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if( t->psz_name ) free( t->psz_name );
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for( i = 0; i < t->i_seekpoint; i++ )
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{
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if( t->seekpoint[i]->psz_name ) free( t->seekpoint[i]->psz_name );
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free( t->seekpoint[i] );
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}
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if( t->seekpoint ) free( t->seekpoint );
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free( t );
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}
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static inline input_title_t *vlc_input_title_Duplicate( input_title_t *t )
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{
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input_title_t *dup = vlc_input_title_New( );
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int i;
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if( t->psz_name ) dup->psz_name = strdup( t->psz_name );
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dup->b_menu = t->b_menu;
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dup->i_length = t->i_length;
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dup->i_size = t->i_size;
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dup->i_seekpoint = t->i_seekpoint;
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if( t->i_seekpoint > 0 )
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{
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dup->seekpoint = (seekpoint_t**)calloc( t->i_seekpoint,
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sizeof(seekpoint_t*) );
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for( i = 0; i < t->i_seekpoint; i++ )
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{
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dup->seekpoint[i] = vlc_seekpoint_Duplicate( t->seekpoint[i] );
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}
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}
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return dup;
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}
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/*****************************************************************************
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* input defines/constants.
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*****************************************************************************/
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/* "state" value */
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enum input_state_e
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{
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INIT_S,
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PLAYING_S,
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PAUSE_S,
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END_S,
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};
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/* "rate" default, min/max */
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#define INPUT_RATE_DEFAULT 1000
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#define INPUT_RATE_MIN 125 /* Up to 8/1 */
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#define INPUT_RATE_MAX 8000 /* Up to 1/8 */
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2004-07-16 13:33:32 +02:00
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/* input_source_t: gathers all information per input source */
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2004-06-22 21:29:37 +02:00
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typedef struct
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{
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/* Input item description */
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input_item_t *p_item;
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/* Access/Stream/Demux plugins */
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access_t *p_access;
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stream_t *p_stream;
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demux_t *p_demux;
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/* Title infos for that input */
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vlc_bool_t b_title_demux; /* Titles/Seekpoints provided by demux */
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int i_title;
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input_title_t **title;
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2004-08-21 01:37:40 +02:00
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int i_title_offset;
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int i_seekpoint_offset;
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int i_title_start;
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int i_title_end;
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int i_seekpoint_start;
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int i_seekpoint_end;
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2004-06-22 21:29:37 +02:00
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/* Properties */
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vlc_bool_t b_can_pace_control;
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vlc_bool_t b_can_pause;
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vlc_bool_t b_eof; /* eof of demuxer */
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/* Clock average variation */
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int i_cr_average;
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} input_source_t;
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/* i_update field of access_t/demux_t */
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#define INPUT_UPDATE_NONE 0x0000
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#define INPUT_UPDATE_SIZE 0x0001
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#define INPUT_UPDATE_TITLE 0x0010
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#define INPUT_UPDATE_SEEKPOINT 0x0020
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2004-08-25 20:50:36 +02:00
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#define INPUT_UPDATE_META 0x0040
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2004-06-22 21:29:37 +02:00
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/* Input control XXX: internal */
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#define INPUT_CONTROL_FIFO_SIZE 100
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/*****************************************************************************
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* input_thread_t
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*****************************************************************************
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* XXX: this strucrures is *PRIVATE* so nobody can touch it out of src/input.
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* I plan to move it to src/input/input_internal.h anyway
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*
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* XXX: look at src/input/input.c:input_CreateThread for accessible variables
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* YOU CANNOT HAVE ACCESS TO THE CONTENT OF input_thread_t except
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* p_input->input.p_item (and it's only temporary).
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* XXX: move the docs somewhere (better than src/input )
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*****************************************************************************/
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struct input_thread_t
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{
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VLC_COMMON_MEMBERS
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/* Global properties */
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vlc_bool_t b_eof;
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vlc_bool_t b_can_pace_control;
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vlc_bool_t b_can_pause;
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/* Global state */
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int i_state;
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int i_rate;
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/* */
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int64_t i_start; /* :start-time,0 by default */
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int64_t i_time; /* Current time */
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int64_t i_stop; /* :stop-time, 0 if none */
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/* Title infos FIXME multi-input (not easy) ? */
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int i_title;
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input_title_t **title;
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2004-08-21 01:37:40 +02:00
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int i_title_offset;
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int i_seekpoint_offset;
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2004-06-22 21:29:37 +02:00
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/* User bookmarks FIXME won't be easy with multiples input */
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int i_bookmark;
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seekpoint_t **bookmark;
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2004-11-15 18:05:52 +01:00
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/* Global meta datas FIXME move to input_item_t ? */
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vlc_meta_t *p_meta;
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2004-06-22 21:29:37 +02:00
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/* Output */
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es_out_t *p_es_out;
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sout_instance_t *p_sout; /* XXX Move it to es_out ? */
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vlc_bool_t b_out_pace_control; /* idem ? */
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/* Internal caching common for all inputs */
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int64_t i_pts_delay;
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2004-06-25 00:18:33 +02:00
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/* Main input properties */
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2004-06-22 21:29:37 +02:00
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input_source_t input;
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2004-06-25 00:18:33 +02:00
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/* Slave demuxers (subs, and others) */
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int i_slave;
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input_source_t **slave;
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2004-06-22 21:29:37 +02:00
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/* Buffer of pending actions */
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vlc_mutex_t lock_control;
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int i_control;
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struct
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{
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/* XXX: val isn't duplicated so it won't works with string */
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int i_type;
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vlc_value_t val;
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} control[INPUT_CONTROL_FIFO_SIZE];
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};
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/*****************************************************************************
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* Prototypes
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*****************************************************************************/
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#define input_CreateThread(a,b) __input_CreateThread(VLC_OBJECT(a),b)
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VLC_EXPORT( input_thread_t *, __input_CreateThread, ( vlc_object_t *, input_item_t * ) );
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2004-12-10 19:58:22 +01:00
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#define input_Preparse(a,b) __input_Preparse(VLC_OBJECT(a),b)
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VLC_EXPORT( int, __input_Preparse, ( vlc_object_t *, input_item_t * ) );
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2004-06-22 21:29:37 +02:00
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VLC_EXPORT( void, input_StopThread, ( input_thread_t * ) );
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VLC_EXPORT( void, input_DestroyThread, ( input_thread_t * ) );
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enum input_query_e
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{
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/* input variable "position" */
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INPUT_GET_POSITION, /* arg1= double * res= */
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INPUT_SET_POSITION, /* arg1= double res=can fail */
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/* input variable "length" */
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INPUT_GET_LENGTH, /* arg1= int64_t * res=can fail */
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/* input variable "time" */
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INPUT_GET_TIME, /* arg1= int64_t * res= */
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INPUT_SET_TIME, /* arg1= int64_t res=can fail */
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/* input variable "rate" (1 is DEFAULT_RATE) */
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INPUT_GET_RATE, /* arg1= int * res= */
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INPUT_SET_RATE, /* arg1= int res=can fail */
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/* input variable "state" */
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INPUT_GET_STATE, /* arg1= int * res= */
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INPUT_SET_STATE, /* arg1= int res=can fail */
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2005-02-15 21:29:29 +01:00
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/* input variable "audio-delay" and "sub-delay" */
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2004-06-23 19:49:26 +02:00
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INPUT_GET_AUDIO_DELAY, /* arg1 = int* res=can fail */
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INPUT_SET_AUDIO_DELAY, /* arg1 = int res=can fail */
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INPUT_GET_SPU_DELAY, /* arg1 = int* res=can fail */
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INPUT_SET_SPU_DELAY, /* arg1 = int res=can fail */
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/* Meta datas */
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INPUT_ADD_INFO, /* arg1= char * arg2= char * arg3=... res=can fail */
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INPUT_GET_INFO, /* arg1= char * arg2= char * arg3= char ** res=can fail*/
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INPUT_SET_NAME, /* arg1= char * res=can fail */
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2004-08-05 14:45:23 +02:00
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/* Input config options */
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INPUT_ADD_OPTION, /* arg1= char * arg2= char * res=can fail*/
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/* Input properties */
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INPUT_GET_BYTE_POSITION, /* arg1= int64_t * res= */
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INPUT_SET_BYTE_SIZE, /* arg1= int64_t * res= */
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2004-06-22 21:29:37 +02:00
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/* bookmarks */
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INPUT_GET_BOOKMARKS, /* arg1= seekpoint_t *** arg2= int * res=can fail */
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INPUT_CLEAR_BOOKMARKS, /* res=can fail */
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INPUT_ADD_BOOKMARK, /* arg1= seekpoint_t * res=can fail */
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INPUT_CHANGE_BOOKMARK, /* arg1= seekpoint_t * arg2= int * res=can fail */
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INPUT_DEL_BOOKMARK, /* arg1= seekpoint_t * res=can fail */
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INPUT_SET_BOOKMARK, /* arg1= int res=can fail */
|
2004-11-22 10:52:06 +01:00
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|
/* On the fly input slave */
|
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|
INPUT_ADD_SLAVE, /* arg1= char * */
|
2004-06-22 21:29:37 +02:00
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|
};
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|
VLC_EXPORT( int, input_vaControl,( input_thread_t *, int i_query, va_list ) );
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|
VLC_EXPORT( int, input_Control, ( input_thread_t *, int i_query, ... ) );
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|
VLC_EXPORT( decoder_t *, input_DecoderNew, ( input_thread_t *, es_format_t *, vlc_bool_t b_force_decoder ) );
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|
VLC_EXPORT( void, input_DecoderDelete, ( decoder_t * ) );
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|
VLC_EXPORT( void, input_DecoderDecode,( decoder_t *, block_t * ) );
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|
#endif
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