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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* 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 DECODE_H
#define DECODE_H
#include "song.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
};
enum decoder_command {
DECODE_COMMAND_NONE = 0,
DECODE_COMMAND_START,
DECODE_COMMAND_STOP,
DECODE_COMMAND_SEEK
};
#define DECODE_ERROR_NOERROR 0
#define DECODE_ERROR_UNKTYPE 10
#define DECODE_ERROR_FILE 20
typedef struct _DecoderControl {
Notify notify;
volatile enum decoder_state state;
volatile enum decoder_command command;
volatile mpd_uint16 error;
volatile mpd_sint8 seekError;
volatile mpd_sint8 seekable;
volatile double seekWhere;
AudioFormat audioFormat;
Song *current_song;
Song *volatile next_song;
volatile float totalTime;
} DecoderControl;
void decoderInit(void);
static inline int decoder_is_idle(DecoderControl *dc)
{
return dc->state == DECODE_STATE_STOP &&
dc->command != DECODE_COMMAND_START;
}
static inline int decoder_is_starting(DecoderControl *dc)
{
return dc->command == DECODE_COMMAND_START ||
dc->state == DECODE_STATE_START;
}
static inline Song *decoder_current_song(DecoderControl *dc)
{
if (dc->state == DECODE_STATE_STOP ||
dc->error != DECODE_ERROR_NOERROR)
return NULL;
return dc->current_song;
}
void dc_command_wait(Notify *notify);
void dc_start(Notify *notify, Song *song);
void dc_start_async(Song *song);
void dc_stop(Notify *notify);
int dc_seek(Notify *notify, double where);
#endif
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