Add audio player

src/player.h

@@ -0,0 +1,111 @@
+
+#ifndef __PLAYER_H__
+#define __PLAYER_H__
+
+#include <stdint.h>
+
+/* AirTunes v2 packet interval in ns */
+#define AIRTUNES_V2_STREAM_PERIOD   7980000
+
+/* AirTunes v2 number of samples per packet */
+#define AIRTUNES_V2_PACKET_SAMPLES  352
+
+
+/* Samples to bytes, bytes to samples */
+#define STOB(s) ((s) * 4)
+#define BTOS(b) ((b) / 4)
+
+enum play_status {
+  PLAY_STOPPED = 2,
+  PLAY_PAUSED  = 3,
+  PLAY_PLAYING = 4,
+};
+
+enum repeat_mode {
+  REPEAT_OFF  = 0,
+  REPEAT_SONG = 1,
+  REPEAT_ALL  = 2,
+};
+
+struct player_status {
+  enum play_status status;
+  enum repeat_mode repeat;
+  char shuffle;
+
+  int volume;
+
+  uint32_t id;
+  uint32_t pos_ms;
+  int pos_pl;
+};
+
+typedef void (*spk_enum_cb)(uint64_t id, const char *name, int selected, int has_password, void *arg);
+
+struct player_source;
+
+
+int
+player_get_current_pos(uint64_t *pos, struct timespec *ts, int commit);
+
+int
+player_get_status(struct player_status *status);
+
+int
+player_now_playing(uint32_t *id);
+
+
+void
+player_speaker_enumerate(spk_enum_cb cb, void *arg);
+
+int
+player_speaker_set(uint64_t *ids);
+
+int
+player_playback_start(uint32_t *idx_id);
+
+int
+player_playback_stop(void);
+
+int
+player_playback_pause(void);
+
+int
+player_playback_seek(int ms);
+
+int
+player_playback_next(void);
+
+int
+player_playback_prev(void);
+
+
+int
+player_volume_set(int vol);
+
+int
+player_repeat_set(enum repeat_mode mode);
+
+int
+player_shuffle_set(int enable);
+
+
+struct player_source *
+player_queue_make(const char *query, const char *sort);
+
+int
+player_queue_add(struct player_source *ps);
+
+void
+player_queue_clear(void);
+
+
+void
+player_set_updatefd(int fd);
+
+int
+player_init(void);
+
+void
+player_deinit(void);
+
+#endif /* !__PLAYER_H__ */