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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
* This project's homepage is: 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_CONTROL_H
#define MPD_DECODER_CONTROL_H
#include "decoder_api.h"
#include "audio_format.h"
#include "notify.h"
#define DECODE_TYPE_FILE 0
#define DECODE_TYPE_URL 1
enum decoder_state {
DECODE_STATE_STOP = 0,
DECODE_STATE_START,
DECODE_STATE_DECODE
};
#define DECODE_ERROR_NOERROR 0
#define DECODE_ERROR_UNKTYPE 10
#define DECODE_ERROR_FILE 20
struct decoder_control {
struct notify notify;
volatile enum decoder_state state;
volatile enum decoder_command command;
volatile uint16_t error;
bool seekError;
bool seekable;
volatile double seekWhere;
/** the format of the song file */
struct audio_format in_audio_format;
/** the format being sent to the music pipe */
struct audio_format out_audio_format;
struct song *current_song;
struct song *volatile next_song;
volatile float totalTime;
};
extern struct decoder_control dc;
void dc_init(void);
void dc_deinit(void);
static inline bool decoder_is_idle(void)
{
return dc.state == DECODE_STATE_STOP &&
dc.command != DECODE_COMMAND_START;
}
static inline bool decoder_is_starting(void)
{
return dc.command == DECODE_COMMAND_START ||
dc.state == DECODE_STATE_START;
}
static inline struct song *
decoder_current_song(void)
{
if (dc.state == DECODE_STATE_STOP ||
dc.error != DECODE_ERROR_NOERROR)
return NULL;
return dc.current_song;
}
void
dc_command_wait(struct notify *notify);
void
dc_start(struct notify *notify, struct song *song);
void
dc_start_async(struct song *song);
void
dc_stop(struct notify *notify);
bool
dc_seek(struct notify *notify, double where);
#endif
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