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/*
* Copyright (C) 2003-2009 The Music Player Daemon Project
* http://www.musicpd.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 02111-1307 USA
*/
#ifndef MPD_DECODER_PLUGIN_H
#define MPD_DECODER_PLUGIN_H
#include <stdbool.h>
struct input_stream;
struct tag;
/**
* Opaque handle which the decoder plugin passes to the functions in
* this header.
*/
struct decoder;
struct decoder_plugin {
const char *name;
/**
* optional, set this to NULL if the InputPlugin doesn't
* have/need one this must return < 0 if there is an error and
* >= 0 otherwise
*/
bool (*init)(void);
/**
* optional, set this to NULL if the InputPlugin doesn't have/need one
*/
void (*finish)(void);
/**
* this will be used to decode InputStreams, and is
* recommended for files and networked (HTTP) connections.
*
* @return false if the plugin cannot decode the stream, and
* true if it was able to do so (even if an error occured
* during playback)
*/
void (*stream_decode)(struct decoder *, struct input_stream *);
/**
* use this if and only if your InputPlugin can only be passed
* a filename or handle as input, and will not allow callbacks
* to be set (like Ogg-Vorbis and FLAC libraries allow)
*
* @return false if the plugin cannot decode the file, and
* true if it was able to do so (even if an error occured
* during playback)
*/
void (*file_decode)(struct decoder *, const char *path);
/**
* file should be the full path! Returns NULL if a tag cannot
* be found or read
*/
struct tag *(*tag_dup)(const char *file);
/* last element in these arrays must always be a NULL: */
const char *const*suffixes;
const char *const*mime_types;
};
#endif
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