libvlc_internal.h 4.6 KB
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/*****************************************************************************
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 * libvlc_internal.h : Definition of opaque structures for libvlc exported API
 * Also contains some internal utility functions
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 *****************************************************************************
 * Copyright (C) 2005 the VideoLAN team
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 * $Id: control_structures.h 13752 2005-12-15 10:14:42Z oaubert $
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 *
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 * Authors: Clément Stenac <zorglub@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
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

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#ifndef _LIBVLC_INTERNAL_H
#define _LIBVLC_INTERNAL_H 1
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# ifdef __cplusplus
extern "C" {
# endif

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#include <vlc/vlc.h>
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#include <vlc/libvlc_structures.h>
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#include <vlc_input.h>
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/***************************************************************************
 * Internal creation and destruction functions
 ***************************************************************************/
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VLC_EXPORT (libvlc_int_t *, libvlc_InternalCreate, ( void ) );
VLC_EXPORT (int, libvlc_InternalInit, ( libvlc_int_t *, int, char *ppsz_argv[] ) );
VLC_EXPORT (int, libvlc_InternalCleanup, ( libvlc_int_t * ) );
VLC_EXPORT (int, libvlc_InternalDestroy, ( libvlc_int_t *, vlc_bool_t ) );
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VLC_EXPORT (int, libvlc_InternalAddIntf, ( libvlc_int_t *, const char *, vlc_bool_t,
                            vlc_bool_t, int, const char *const * ) );
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VLC_EXPORT (void, libvlc_event_init, ( libvlc_instance_t *, libvlc_exception_t * ) );
VLC_EXPORT (void, libvlc_event_fini, ( libvlc_instance_t *, libvlc_exception_t * ) );

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/***************************************************************************
 * Opaque structures for libvlc API
 ***************************************************************************/

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struct libvlc_callback_entry_t
{
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    libvlc_instance_t *p_instance;
    libvlc_callback_t f_callback;
    libvlc_event_type_t i_event_type;
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    void *p_user_data;
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};

struct libvlc_callback_entry_list_t
{
    struct libvlc_callback_entry_t *elmt;
    struct libvlc_callback_entry_list_t *next;
    struct libvlc_callback_entry_list_t *prev;
};
    
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struct libvlc_instance_t
{
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    libvlc_int_t *p_libvlc_int;
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    vlm_t        *p_vlm;
    int           b_playlist_locked;
    vlc_mutex_t   instance_lock;
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    vlc_mutex_t   event_callback_lock;
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    struct libvlc_callback_entry_list_t *p_callback_list;
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};

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struct libvlc_media_descriptor_t
{
    int                b_preparsed;
    input_item_t      *p_input_item;
    libvlc_instance_t *p_libvlc_instance;
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};
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struct libvlc_media_instance_t
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{
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    int i_input_id;  /* Input object id. We don't use a pointer to
                        avoid any crash */
    struct libvlc_instance_t  *p_libvlc_instance; /* Parent instance */
    libvlc_media_descriptor_t *p_md; /* current media descriptor */
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};

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/***************************************************************************
 * Other internal functions
 ***************************************************************************/
VLC_EXPORT (input_thread_t *, libvlc_get_input_thread,
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                        ( struct libvlc_media_instance_t *, libvlc_exception_t * ) );

VLC_EXPORT (libvlc_media_instance_t *, libvlc_media_instance_new_from_input_thread,
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                        ( struct libvlc_instance_t *, input_thread_t *, libvlc_exception_t * ) );
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VLC_EXPORT (libvlc_media_descriptor_t *, libvlc_media_descriptor_new_from_input_item,
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                        ( struct libvlc_instance_t *, input_item_t *, libvlc_exception_t * ) );
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VLC_EXPORT (libvlc_media_descriptor_t *, libvlc_media_descriptor_duplicate,
                        ( libvlc_media_descriptor_t * ) );
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#define RAISENULL( psz,a... ) { libvlc_exception_raise( p_e, psz,##a ); \
                                return NULL; }
#define RAISEVOID( psz,a... ) { libvlc_exception_raise( p_e, psz,##a ); \
                                return; }
#define RAISEZERO( psz,a... ) { libvlc_exception_raise( p_e, psz,##a ); \
                                return 0; }
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# ifdef __cplusplus
}
# endif

#endif