X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audiod.h;h=234c67a0d9eb9d09643544a498d96e5be5d69093;hp=c8d5fc2ea704d19d77b3db50b399e7d28c0497f5;hb=c4012aab461993e6c8a9930d27d924a8462a9775;hpb=786010c598f79d20280e6ea9ea458cad4a7e9af7

diff --git a/audiod.h b/audiod.h
index c8d5fc2e..234c67a0 100644
--- a/audiod.h
+++ b/audiod.h
@@ -1,15 +1,16 @@
 /** \file audiod.h symbols exported from audiod.c */
 int num_filters(int audio_format_num);
 int get_audio_format_num(char *name);
-enum {
-	AUDIO_FORMAT_MP3,
-	AUDIO_FORMAT_OGG,
-	AUDIO_FORMAT_AAC,
-	NUM_AUDIO_FORMATS
-};
+
+/** enum of audio formats supported by para_audiod */
+enum {AUDIOD_AUDIO_FORMATS_ENUM};
+
+/** array of audio format names supported by para_audiod */
 extern const char *audio_formats[];
-#define DEFINE_AUDIO_FORMAT_ARRAY const char *audio_formats[] = {"mp3", "ogg", "aac", NULL}
+
+/** maximal number of simultaneous instances */
 #define MAX_STREAM_SLOTS 5
+
 /**
  * the possible modes of operation
  *
@@ -49,32 +50,37 @@ struct audiod_task {
 };
 
 /**
- * the task for audiod's child (para_client stat)
+ * 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 private_client_data *pcd;
 	/** the array of status items sent by para_server */
 	char *stat_item_values[NUM_STAT_ITEMS];
 	/** 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 averaged time deviation between para_server and para_audiod */
+	/** 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 audio format announced in server status */
-	char *af_status;
-	/** non-zero if \a af_status is "playing" */
+	/** non-zero if para_server's status is "playing" */
 	int playing;
+	/** 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;
 };
 
 extern struct status_task *stat_task;
@@ -86,6 +92,7 @@ extern const char *status_item_list[NUM_STAT_ITEMS];
 void __noreturn clean_exit(int status, const char *msg);
 int handle_connect(int accept_fd);
 void audiod_status_dump(void);
+void dump_empty_status(void);
 
 /** iterate over all slots */
 #define FOR_EACH_SLOT(_slot) for (_slot = 0; _slot < MAX_STREAM_SLOTS; _slot++)