qt_demoe/video/playvlc/vlc/vlc3/include/libvlc_media_discoverer.h

189 lines
6.0 KiB
C

/*****************************************************************************
* libvlc_media_discoverer.h: libvlc external API
*****************************************************************************
* Copyright (C) 1998-2009 VLC authors and VideoLAN
* $Id: 96c0515ffec98f439867814d68525288b2702b0f $
*
* Authors: Clément Stenac <zorglub@videolan.org>
* Jean-Paul Saman <jpsaman@videolan.org>
* Pierre d'Herbemont <pdherbemont@videolan.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
#ifndef VLC_LIBVLC_MEDIA_DISCOVERER_H
#define VLC_LIBVLC_MEDIA_DISCOVERER_H 1
# ifdef __cplusplus
extern "C" {
# endif
/**
* Category of a media discoverer
* \see libvlc_media_discoverer_list_get()
*/
typedef enum libvlc_media_discoverer_category_t {
/** devices, like portable music player */
libvlc_media_discoverer_devices,
/** LAN/WAN services, like Upnp, SMB, or SAP */
libvlc_media_discoverer_lan,
/** Podcasts */
libvlc_media_discoverer_podcasts,
/** Local directories, like Video, Music or Pictures directories */
libvlc_media_discoverer_localdirs,
} libvlc_media_discoverer_category_t;
/**
* Media discoverer description
* \see libvlc_media_discoverer_list_get()
*/
typedef struct libvlc_media_discoverer_description_t {
char *psz_name;
char *psz_longname;
libvlc_media_discoverer_category_t i_cat;
} libvlc_media_discoverer_description_t;
/** \defgroup libvlc_media_discoverer LibVLC media discovery
* \ingroup libvlc
* LibVLC media discovery finds available media via various means.
* This corresponds to the service discovery functionality in VLC media player.
* Different plugins find potential medias locally (e.g. user media directory),
* from peripherals (e.g. video capture device), on the local network
* (e.g. SAP) or on the Internet (e.g. Internet radios).
* @{
* \file
* LibVLC media discovery external API
*/
typedef struct libvlc_media_discoverer_t libvlc_media_discoverer_t;
/**
* Create a media discoverer object by name.
*
* After this object is created, you should attach to media_list events in
* order to be notified of new items discovered.
*
* You need to call libvlc_media_discoverer_start() in order to start the
* discovery.
*
* \see libvlc_media_discoverer_media_list
* \see libvlc_media_discoverer_event_manager
* \see libvlc_media_discoverer_start
*
* \param p_inst libvlc instance
* \param psz_name service name; use libvlc_media_discoverer_list_get() to get
* a list of the discoverer names available in this libVLC instance
* \return media discover object or NULL in case of error
* \version LibVLC 3.0.0 or later
*/
LIBVLC_API libvlc_media_discoverer_t *
libvlc_media_discoverer_new( libvlc_instance_t * p_inst,
const char * psz_name );
/**
* Start media discovery.
*
* To stop it, call libvlc_media_discoverer_stop() or
* libvlc_media_discoverer_list_release() directly.
*
* \see libvlc_media_discoverer_stop
*
* \param p_mdis media discover object
* \return -1 in case of error, 0 otherwise
* \version LibVLC 3.0.0 or later
*/
LIBVLC_API int
libvlc_media_discoverer_start( libvlc_media_discoverer_t * p_mdis );
/**
* Stop media discovery.
*
* \see libvlc_media_discoverer_start
*
* \param p_mdis media discover object
* \version LibVLC 3.0.0 or later
*/
LIBVLC_API void
libvlc_media_discoverer_stop( libvlc_media_discoverer_t * p_mdis );
/**
* Release media discover object. If the reference count reaches 0, then
* the object will be released.
*
* \param p_mdis media service discover object
*/
LIBVLC_API void
libvlc_media_discoverer_release( libvlc_media_discoverer_t * p_mdis );
/**
* Get media service discover media list.
*
* \param p_mdis media service discover object
* \return list of media items
*/
LIBVLC_API libvlc_media_list_t *
libvlc_media_discoverer_media_list( libvlc_media_discoverer_t * p_mdis );
/**
* Query if media service discover object is running.
*
* \param p_mdis media service discover object
* \return true if running, false if not
*
* \libvlc_return_bool
*/
LIBVLC_API int
libvlc_media_discoverer_is_running( libvlc_media_discoverer_t * p_mdis );
/**
* Get media discoverer services by category
*
* \version LibVLC 3.0.0 and later.
*
* \param p_inst libvlc instance
* \param i_cat category of services to fetch
* \param ppp_services address to store an allocated array of media discoverer
* services (must be freed with libvlc_media_discoverer_list_release() by
* the caller) [OUT]
*
* \return the number of media discoverer services (0 on error)
*/
LIBVLC_API size_t
libvlc_media_discoverer_list_get( libvlc_instance_t *p_inst,
libvlc_media_discoverer_category_t i_cat,
libvlc_media_discoverer_description_t ***ppp_services );
/**
* Release an array of media discoverer services
*
* \version LibVLC 3.0.0 and later.
*
* \see libvlc_media_discoverer_list_get()
*
* \param pp_services array to release
* \param i_count number of elements in the array
*/
LIBVLC_API void
libvlc_media_discoverer_list_release( libvlc_media_discoverer_description_t **pp_services,
size_t i_count );
/**@} */
# ifdef __cplusplus
}
# endif
#endif /* <vlc/libvlc.h> */