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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
#include <xine/os_types.h>
#include <xine/buffer.h>
#ifdef XINE_COMPILE
# include <xine/plugin_catalog.h>
#endif
#define AUDIO_DECODER_IFACE_VERSION 16
/*
* 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);
/**
* @brief short human readable identifier for this plugin class
*/
const char *identifier;
/**
* @brief human readable (verbose = 1 line) description for this plugin class
*
* The description is passed to gettext() to internationalise.
*/
const char *description;
/**
* @brief Optional non-standard catalog to use with dgettext() for description.
*/
const char *text_domain;
/*
* free all class-related resources
*/
void (*dispose) (audio_decoder_class_t *this);
};
#define default_audio_decoder_class_dispose (void (*) (audio_decoder_class_t *this))free
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);
/**
* @brief Pointer to the loaded plugin node.
*
* Used by the plugins loader. It's an opaque type when using the
* structure outside of xine's build.
*/
#ifdef XINE_COMPILE
plugin_node_t *node;
#else
void *node;
#endif
};
#endif
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