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filter_plugin.h
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/*
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* Copyright (C) 2003-2010 The Music Player Daemon Project
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* http://www.musicpd.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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_FILTER_PLUGIN_H
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#define MPD_FILTER_PLUGIN_H
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#include <glib.h>
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#include <stdbool.h>
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#include <stddef.h>
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struct
config_param
;
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struct
filter
;
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struct
filter_plugin
{
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const
char
*
name
;
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struct
filter
*(*init)(
const
struct
config_param
*param,
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GError **error_r);
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void (*
finish
)(
struct
filter
*
filter
);
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const
struct
audio_format
*
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(*open)(
struct
filter
*
filter
,
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struct
audio_format
*
audio_format
,
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GError **error_r);
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void (*
close
)(
struct
filter
*
filter
);
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const
void
*(*filter)(
struct
filter
*
filter
,
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const
void
*src,
size_t
src_size,
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size_t
*dest_buffer_r,
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GError **error_r);
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};
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struct
filter
*
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filter_new
(
const
struct
filter_plugin
*
plugin
,
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const
struct
config_param
*param, GError **error_r);
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struct
filter
*
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filter_configured_new
(
const
struct
config_param
*param, GError **error_r);
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void
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filter_free
(
struct
filter
*
filter
);
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const
struct
audio_format
*
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filter_open
(
struct
filter
*
filter
,
struct
audio_format
*
audio_format
,
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GError **error_r);
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void
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filter_close
(
struct
filter
*
filter
);
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const
void
*
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filter_filter
(
struct
filter
*
filter
,
const
void
*src,
size_t
src_size,
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size_t
*dest_size_r,
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GError **error_r);
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#endif
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