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/*
* Copyright (C) 2000-2004 the xine project
*
* This file is part of xine, a free video player.
*
* xine 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.
*
* xine 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* xine audio decoder plugin interface
*/
#ifndef HAVE_AUDIO_DECODER_H
#define HAVE_AUDIO_DECODER_H
#ifdef XINE_COMPILE
# include <inttypes.h>
# include "buffer.h"
#else
# include <xine/os_types.h>
# include <xine/buffer.h>
#endif
#define AUDIO_DECODER_IFACE_VERSION 15
/*
* generic xine audio decoder plugin interface
*/
typedef struct audio_decoder_class_s audio_decoder_class_t;
typedef struct audio_decoder_s audio_decoder_t;
struct audio_decoder_class_s {
/*
* open a new instance of this plugin class
*/
audio_decoder_t* (*open_plugin) (audio_decoder_class_t *this, xine_stream_t *stream);
/*
* return short, human readable identifier for this plugin class
*/
char* (*get_identifier) (audio_decoder_class_t *this);
/*
* return human readable (verbose = 1 line) description for
* this plugin class
*/
char* (*get_description) (audio_decoder_class_t *this);
/*
* free all class-related resources
*/
void (*dispose) (audio_decoder_class_t *this);
};
struct audio_decoder_s {
/*
* decode data from buf and feed decoded samples to
* audio output
*/
void (*decode_data) (audio_decoder_t *this, buf_element_t *buf);
/*
* reset decoder after engine flush (prepare for new
* audio data not related to recently decoded data)
*/
void (*reset) (audio_decoder_t *this);
/*
* inform decoder that a time reference discontinuity has happened.
* that is, it must forget any currently held pts value
*/
void (*discontinuity) (audio_decoder_t *this);
/*
* close down, free all resources
*/
void (*dispose) (audio_decoder_t *this);
void *node; /* used by plugin loader */
};
#endif
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