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pipe.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_PIPE_H
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#define MPD_PIPE_H
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#include <glib.h>
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#include <stdbool.h>
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#ifndef NDEBUG
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struct
audio_format
;
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#endif
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struct
music_chunk
;
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struct
music_buffer;
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struct
music_pipe;
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G_GNUC_MALLOC
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struct
music_pipe *
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music_pipe_new
(
void
);
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void
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music_pipe_free
(
struct
music_pipe *mp);
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#ifndef NDEBUG
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bool
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music_pipe_check_format
(
const
struct
music_pipe *pipe,
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const
struct
audio_format
*
audio_format
);
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bool
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music_pipe_contains
(
const
struct
music_pipe *mp,
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const
struct
music_chunk
*chunk);
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#endif
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G_GNUC_PURE
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const
struct
music_chunk
*
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music_pipe_peek
(
const
struct
music_pipe *mp);
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struct
music_chunk
*
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music_pipe_shift
(
struct
music_pipe *mp);
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void
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music_pipe_clear
(
struct
music_pipe *mp,
struct
music_buffer *buffer);
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void
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music_pipe_push
(
struct
music_pipe *mp,
struct
music_chunk
*chunk);
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G_GNUC_PURE
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unsigned
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music_pipe_size
(
const
struct
music_pipe *mp);
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G_GNUC_PURE
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static
inline
bool
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music_pipe_empty
(
const
struct
music_pipe *mp)
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{
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return
music_pipe_size
(mp) == 0;
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}
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#endif
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