+/** The vss status flags audiod is interested in. */
+enum vss_status_flags {
+ /** Whether the 'N' flag is set. */
+ VSS_STATUS_FLAG_NEXT = 1,
+ /** The 'P' flag is set. */
+ VSS_STATUS_FLAG_PLAYING = 2,
+};
+
+/**
+ * The task for obtaining para_server's status (para_client stat).
+ *
+ * \sa struct task, struct sched.
+ */
+struct status_task {
+ /** The associated task structure of audiod. */
+ struct task task;
+ /** Client data associated with the stat task. */
+ struct client_task *ct;
+ /** Do not restart client command until this time. */
+ struct timeval restart_barrier;
+ /** Last time we received status data from para_server. */
+ struct timeval last_status_read;
+ /** The offset value announced by para_server. */
+ int offset_seconds;
+ /** The length of the current audio file as announced by para_server. */
+ int length_seconds;
+ /** The start of the current stream from the view of para_server. */
+ struct timeval server_stream_start;
+ /** The average time deviation between para_server and para_audiod. */
+ struct timeval sa_time_diff;
+ /** Whether client time is ahead of server time. */
+ int sa_time_diff_sign;
+ /** The 'P' and the 'N' flags as announced by para_server. */
+ enum vss_status_flags vss_status;
+ /** Number of times the clock difference is to be checked. */
+ unsigned clock_diff_count;
+ /** When to start the next check for clock difference. */
+ struct timeval clock_diff_barrier;
+ /** Number of the audio format as announced by para_server. */
+ int current_audio_format_num;
+};