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player.h

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+/*
+ * Copyright 2008-2013 Various Authors
+ * Copyright 2004 Timo Hirvonen
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CMUS_PLAYER_H
+#define CMUS_PLAYER_H
+
+#include "locking.h"
+#include "track_info.h"
+
+#include <pthread.h>
+
+enum {
+	/* no error */
+	PLAYER_ERROR_SUCCESS,
+	/* system error (error code in errno) */
+	PLAYER_ERROR_ERRNO,
+	/* function not supported */
+	PLAYER_ERROR_NOT_SUPPORTED
+};
+
+extern const char * const player_status_names[];
+enum player_status {
+	PLAYER_STATUS_STOPPED,
+	PLAYER_STATUS_PLAYING,
+	PLAYER_STATUS_PAUSED,
+	NR_PLAYER_STATUS
+};
+
+enum replaygain {
+	RG_DISABLED,
+	RG_TRACK,
+	RG_ALBUM,
+	RG_TRACK_PREFERRED,
+	RG_ALBUM_PREFERRED,
+	RG_SMART
+};
+
+struct player_info {
+	/* current track */
+	struct track_info *ti;
+
+	/* status */
+	enum player_status status;
+	int pos;
+	int current_bitrate;
+
+	int buffer_fill;
+	int buffer_size;
+
+	/* display this if not NULL */
+	char *error_msg;
+
+	unsigned int file_changed : 1;
+	unsigned int metadata_changed : 1;
+	unsigned int status_changed : 1;
+	unsigned int position_changed : 1;
+	unsigned int buffer_fill_changed : 1;
+};
+
+extern char player_metadata[255 * 16 + 1];
+extern struct player_info player_info;
+extern int player_cont;
+extern int player_cont_album;
+extern int player_repeat_current;
+extern enum replaygain replaygain;
+extern int replaygain_limit;
+extern double replaygain_preamp;
+extern int soft_vol;
+extern int soft_vol_l;
+extern int soft_vol_r;
+
+void player_init(void);
+void player_exit(void);
+
+/* set current file */
+void player_set_file(struct track_info *ti);
+
+/* set current file and start playing */
+void player_play_file(struct track_info *ti);
+
+/* update track info */
+void player_file_changed(struct track_info *ti);
+
+void player_play(void);
+void player_stop(void);
+void player_pause(void);
+void player_pause_playback(void);
+void player_seek(double offset, int relative, int start_playing);
+void player_set_op(const char *name);
+void player_set_buffer_chunks(unsigned int nr_chunks);
+int player_get_buffer_chunks(void);
+void player_info_snapshot(void);
+
+void player_set_soft_volume(int l, int r);
+void player_set_soft_vol(int soft);
+void player_set_rg(enum replaygain rg);
+void player_set_rg_limit(int limit);
+void player_set_rg_preamp(double db);
+
+#define VF_RELATIVE	0x01
+#define VF_PERCENTAGE	0x02
+int player_set_vol(int l, int lf, int r, int rf);
+
+void player_metadata_lock(void);
+void player_metadata_unlock(void);
+
+#endif