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/*
* Copyright (C) 2003-2011 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_DECODER_INTERNAL_H
#define MPD_DECODER_INTERNAL_H
#include "decoder_command.h"
#include "pcm_convert.h"
#include "replay_gain_info.h"
struct input_stream;
struct decoder {
struct decoder_control *dc;
struct pcm_convert_state conv_state;
/**
* The time stamp of the next data chunk, in seconds.
*/
double timestamp;
/**
* Is the initial seek (to the start position of the sub-song)
* pending, or has it been performed already?
*/
bool initial_seek_pending;
/**
* Is the initial seek currently running? During this time,
* the decoder command is SEEK. This flag is set by
* decoder_get_virtual_command(), when the virtual SEEK
* command is generated for the first time.
*/
bool initial_seek_running;
/**
* This flag is set by decoder_seek_where(), and checked by
* decoder_command_finished(). It is used to clean up after
* seeking.
*/
bool seeking;
/**
* The tag from the song object. This is only used for local
* files, because we expect the stream server to send us a new
* tag each time we play it.
*/
struct tag *song_tag;
/** the last tag received from the stream */
struct tag *stream_tag;
/** the last tag received from the decoder plugin */
struct tag *decoder_tag;
struct replay_gain_info replay_gain_info;
/**
* A positive serial number for checking if replay gain info
* has changed since the last check.
*/
unsigned replay_gain_serial;
};
/**
* Returns the current chunk the decoder writes to, or allocates a new
* chunk if there is none.
*
* @return the chunk, or NULL if we have received a decoder command
*/
struct music_chunk *
decoder_get_chunk(struct decoder *decoder);
#endif
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