82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*****************************************************************************
|
|
* vlc_access.h: Access descriptor, queries and methods
|
|
*****************************************************************************
|
|
* Copyright (C) 1999-2006 VLC authors and VideoLAN
|
|
* $Id: da06554814885d03823aefbf58e858f6941b3400 $
|
|
*
|
|
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
|
|
*
|
|
* 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_ACCESS_H
|
|
#define VLC_ACCESS_H 1
|
|
|
|
#include <vlc_stream.h>
|
|
|
|
/**
|
|
* \defgroup access Access
|
|
* \ingroup stream
|
|
* Raw input byte streams
|
|
* @{
|
|
* \file
|
|
* Input byte stream modules interface
|
|
*/
|
|
|
|
/**
|
|
* Special redirection error code.
|
|
*
|
|
* In case of redirection, the access open function should clean up (as in
|
|
* normal failure case), store the heap-allocated redirection URL in
|
|
* stream_t.psz_url, and return this value.
|
|
*/
|
|
#define VLC_ACCESS_REDIRECT VLC_ETIMEOUT
|
|
|
|
/**
|
|
* Opens a new read-only byte stream.
|
|
*
|
|
* This function might block.
|
|
* The initial offset is of course always zero.
|
|
*
|
|
* \param obj parent VLC object
|
|
* \param mrl media resource location to read
|
|
* \return a new access object on success, NULL on failure
|
|
*/
|
|
VLC_API stream_t *vlc_access_NewMRL(vlc_object_t *obj, const char *mrl);
|
|
|
|
/**
|
|
* \defgroup access_helper Access Helpers
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* Default pf_control callback for directory accesses.
|
|
*/
|
|
VLC_API int access_vaDirectoryControlHelper( stream_t *p_access, int i_query, va_list args );
|
|
|
|
#define ACCESS_SET_CALLBACKS( read, block, control, seek ) \
|
|
do { \
|
|
p_access->pf_read = (read); \
|
|
p_access->pf_block = (block); \
|
|
p_access->pf_control = (control); \
|
|
p_access->pf_seek = (seek); \
|
|
} while(0)
|
|
|
|
/**
|
|
* @} @}
|
|
*/
|
|
|
|
#endif
|