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/*****************************************************************************
* vlc_codec.h: codec related structures
*****************************************************************************
* Copyright (C) 1999-2003 VideoLAN
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
* 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
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#ifndef _VLC_FILTER_H
#define _VLC_FILTER_H 1
/**
* \file
* This file defines the structure and types used by video and audio filters
*/
typedef struct filter_owner_sys_t filter_owner_sys_t;
/**
* \defgroup filter Filter
*
* The structure describing a filter
*
* @{
*/
struct filter_t
{
VLC_COMMON_MEMBERS
/* Module properties */
module_t * p_module;
filter_sys_t * p_sys;
/* Input format */
es_format_t fmt_in;
/* Output format of filter */
es_format_t fmt_out;
picture_t * ( * pf_video_filter ) ( filter_t *, picture_t * );
block_t * ( * pf_audio_filter ) ( filter_t *, block_t * );
void ( * pf_video_blend ) ( filter_t *, picture_t *,
picture_t *, picture_t *,
int, int );
subpicture_t * ( *pf_subpicture_filter ) ( filter_t * );
subpicture_t * ( *pf_render_string ) ( filter_t *, block_t * );
/*
* Buffers allocation
*/
/* Audio output callbacks */
block_t * ( * pf_audio_buffer_new) ( filter_t *, int );
/* Video output callbacks */
picture_t * ( * pf_vout_buffer_new) ( filter_t * );
void ( * pf_vout_buffer_del) ( filter_t *, picture_t * );
void ( * pf_picture_link) ( filter_t *, picture_t * );
void ( * pf_picture_unlink) ( filter_t *, picture_t * );
/* SPU output callbacks */
subpicture_t * ( * pf_spu_buffer_new) ( filter_t * );
void ( * pf_spu_buffer_del) ( filter_t *, subpicture_t * );
/* Private structure for the owner of the decoder */
filter_owner_sys_t *p_owner;
};
/**
* @}
*/
#endif /* _VLC_FILTER_H */