/* 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 PLAYER_H
#define PLAYER_H
#include "notify.h"
#include "audio_format.h"
#include <stdint.h>
enum player_state {
PLAYER_STATE_STOP = 0,
PLAYER_STATE_PAUSE,
PLAYER_STATE_PLAY
};
enum player_command {
PLAYER_COMMAND_NONE = 0,
PLAYER_COMMAND_EXIT,
PLAYER_COMMAND_STOP,
PLAYER_COMMAND_PLAY,
PLAYER_COMMAND_PAUSE,
PLAYER_COMMAND_SEEK,
PLAYER_COMMAND_CLOSE_AUDIO,
PLAYER_COMMAND_LOCK_QUEUE,
PLAYER_COMMAND_UNLOCK_QUEUE
};
#define PLAYER_ERROR_NOERROR 0
#define PLAYER_ERROR_FILE 1
#define PLAYER_ERROR_AUDIO 2
#define PLAYER_ERROR_SYSTEM 3
#define PLAYER_ERROR_UNKTYPE 4
#define PLAYER_ERROR_FILENOTFOUND 5
/* 0->1->2->3->5 regular playback
* ->4->0 don't play queued song
*/
enum player_queue_state {
/** there is no queued song */
PLAYER_QUEUE_BLANK = 0,
/** there is a queued song */
PLAYER_QUEUE_FULL = 1,
/** the player thread has forwarded the queued song to the
decoder; it waits for PLAY or STOP */
PLAYER_QUEUE_DECODE = 2,
/** tells the player thread to start playing the queued song;
this is a response to DECODE */
PLAYER_QUEUE_PLAY = 3,
/** tells the player thread to stop before playing the queued
song; this is a response to DECODE */
PLAYER_QUEUE_STOP = 4,
/** the player thread has begun playing the queued song, and
thus its queue is empty */
PLAYER_QUEUE_EMPTY = 5
};
#define PLAYER_QUEUE_UNLOCKED 0
#define PLAYER_QUEUE_LOCKED 1
struct player_control {
unsigned int buffered_before_play;
struct notify notify;
volatile enum player_command command;
volatile enum player_state state;
volatile int8_t error;
volatile uint16_t bitRate;
struct audio_format audio_format;
volatile float totalTime;
volatile float elapsedTime;
volatile float fileTime;
struct song *volatile next_song;
struct song *errored_song;
volatile enum player_queue_state queueState;
volatile int8_t queueLockState;
volatile double seekWhere;
volatile float crossFade;
volatile uint16_t softwareVolume;
volatile double totalPlayTime;
};
extern struct player_control pc;
void pc_init(unsigned int buffered_before_play);
void pc_deinit(void);
void
playerPlay(struct song *song);
void playerSetPause(int pause_flag);
void playerPause(void);
void playerKill(void);
int getPlayerTotalTime(void);
int getPlayerElapsedTime(void);
unsigned long getPlayerBitRate(void);
enum player_state getPlayerState(void);
void clearPlayerError(void);
char *getPlayerErrorStr(void);
int getPlayerError(void);
void playerWait(void);
void
queueSong(struct song *song);
enum player_queue_state getPlayerQueueState(void);
void setQueueState(enum player_queue_state queueState);
void playerQueueLock(void);
void playerQueueUnlock(void);
int
playerSeek(struct song *song, float seek_time);
void setPlayerCrossFade(float crossFadeInSeconds);
float getPlayerCrossFade(void);
void setPlayerSoftwareVolume(int volume);
double getPlayerTotalPlayTime(void);
static inline const struct audio_format *
player_get_audio_format(void)
{
return &pc.audio_format;
}
struct song *
playerCurrentDecodeSong(void);
void playerInit(void);
#endif
