mirror of https://code.videolan.org/videolan/vlc
82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*****************************************************************************
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* vlc_access.h: Access descriptor, queries and methods
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*****************************************************************************
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* Copyright (C) 1999-2006 VLC authors and VideoLAN
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*
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* Authors: 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 it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_ACCESS_H
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#define VLC_ACCESS_H 1
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#include <vlc_stream.h>
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/**
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* \defgroup access Access
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* \ingroup stream
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* Raw input byte streams
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* @{
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* \file
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* Input byte stream modules interface
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*/
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/**
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* Special redirection error code.
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*
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* In case of redirection, the access open function should clean up (as in
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* normal failure case), store the heap-allocated redirection URL in
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* stream_t.psz_url, and return this value.
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*/
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#define VLC_ACCESS_REDIRECT VLC_ETIMEOUT
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/**
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* Opens a new read-only byte stream.
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*
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* This function might block.
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* The initial offset is of course always zero.
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*
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* \param obj parent VLC object
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* \param mrl media resource location to read
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* \return a new access object on success, NULL on failure
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*/
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VLC_API stream_t *vlc_access_NewMRL(vlc_object_t *obj, const char *mrl);
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/**
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* \defgroup access_helper Access Helpers
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* @{
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*/
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/**
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* Default pf_control callback for directory accesses.
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*/
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VLC_API int access_vaDirectoryControlHelper( stream_t *p_access, int i_query, va_list args );
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#define ACCESS_SET_CALLBACKS( read, block, control, seek ) \
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do { \
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p_access->pf_read = (read); \
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p_access->pf_block = (block); \
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p_access->pf_control = (control); \
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p_access->pf_seek = (seek); \
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p_access->pf_demux = NULL; \
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} while(0)
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/**
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* @} @}
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*/
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#endif
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