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97 lines
3.1 KiB
97 lines
3.1 KiB
/*****************************************************************************
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* vlc_filter.h: filter related structures
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*****************************************************************************
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* Copyright (C) 1999-2003 the VideoLAN team
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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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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#ifndef _VLC_FILTER_H
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#define _VLC_FILTER_H 1
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/**
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* \file
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* This file defines the structure and types used by video and audio filters
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*/
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typedef struct filter_owner_sys_t filter_owner_sys_t;
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/**
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* \defgroup filter Filter
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*
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* The structure describing a filter
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*
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* @{
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*/
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/*
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* BIG FAT WARNING : the code relies in the first 4 members of filter_t
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* and decoder_t to be the same, so if you have anything to add, do it
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* at the end of the structure.
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*/
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struct filter_t
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{
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VLC_COMMON_MEMBERS
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/* Module properties */
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module_t * p_module;
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filter_sys_t * p_sys;
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/* Input format */
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es_format_t fmt_in;
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/* Output format of filter */
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es_format_t fmt_out;
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/* Filter configuration */
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sout_cfg_t * p_cfg;
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picture_t * ( * pf_video_filter ) ( filter_t *, picture_t * );
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block_t * ( * pf_audio_filter ) ( filter_t *, block_t * );
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void ( * pf_video_blend ) ( filter_t *, picture_t *,
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picture_t *, picture_t *,
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int, int, int );
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subpicture_t * ( *pf_sub_filter ) ( filter_t *, mtime_t );
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int ( *pf_render_text ) ( filter_t *, subpicture_region_t *, subpicture_region_t * );
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/*
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* Buffers allocation
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*/
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/* Audio output callbacks */
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block_t * ( * pf_audio_buffer_new) ( filter_t *, int );
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/* Video output callbacks */
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picture_t * ( * pf_vout_buffer_new) ( filter_t * );
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void ( * pf_vout_buffer_del) ( filter_t *, picture_t * );
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void ( * pf_picture_link) ( filter_t *, picture_t * );
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void ( * pf_picture_unlink) ( filter_t *, picture_t * );
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/* SPU output callbacks */
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subpicture_t * ( * pf_sub_buffer_new) ( filter_t * );
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void ( * pf_sub_buffer_del) ( filter_t *, subpicture_t * );
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/* Private structure for the owner of the decoder */
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filter_owner_sys_t *p_owner;
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};
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/**
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* @}
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*/
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#endif /* _VLC_FILTER_H */
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