Merge branch 'maint'

[paraslash.git] / audiod.h

diff --git a/audiod.h b/audiod.h
index 234c67a0d9eb9d09643544a498d96e5be5d69093..94399602b22280afbe88304cad8d832349f26780 100644 (file)
--- a/audiod.h
+++ b/audiod.h
@@ -1,6 +1,14 @@
+/*
+ * Copyright (C) 2006-2011 Andre Noll <maan@systemlinux.org>
+ *
+ * Licensed under the GPL v2. For licencing details see COPYING.
+ */
+
 /** \file audiod.h symbols exported from audiod.c */
+
+
 int num_filters(int audio_format_num);
-int get_audio_format_num(char *name);
+int get_audio_format_num(const char *name);
 
 /** enum of audio formats supported by para_audiod */
 enum {AUDIOD_AUDIO_FORMATS_ENUM};
@@ -17,82 +25,58 @@ extern const char *audio_formats[];
  * - off: disconnect from para_server
  * - on: receive status information from para_server and play the audio stream
  * - sb: only receive status information but not the audio stream
-*/
-enum {AUDIOD_OFF, AUDIOD_ON, AUDIOD_STANDBY};
-
-/**
- * describes one instance of a receiver-filter-writer chain
- *
- * \sa receier_node, receiver, filter, filter_node, filter_chain, writer,
- * writer_node, writer_node_group.
-  */
-struct slot_info {
-       /** number of the audio format in this slot */
-       int format;
-       /** writer start time */
-       struct timeval wstime;
-       /** the receiver info associated with this slot */
-       struct receiver_node *receiver_node;
-       /** the active filter chain */
-       struct filter_chain *fc;
-       /** the active writer node group */
-       struct writer_node_group *wng;
-};
-
-/**
- * the main task of audiod
- *
- * \sa struct task, struct sched
  */
-struct audiod_task {
-       struct timeval *now;
-       struct task task;
+enum audiod_status_info {AUDIOD_OFF, AUDIOD_ON, AUDIOD_STANDBY};
+
+/** defines one command of para_audiod */
+struct audiod_command {
+       /** the name of the command */
+       const char *name;
+       /** pointer to the function that handles the command */
+       int (*handler)(int, int, char**);
+       /** one-line description of the command */
+       const char *description;
+       /** summary of the command line options */
+       const char *usage;
+       /** the long help text */
+       const char *help;
 };
 
 /**
- * the task for obtaining para_server's status (para_client stat)
+ * Describes one instance of a receiver-filter-writer chain.
  *
- * \sa struct task, struct sched
+ * \sa receiver_node, receiver, filter, filter_node, writer, writer_node,
+ * writer_node_group.
  */
-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 slot_info {
+       /** Number of the audio format in this slot. */
+       int format;
+       /** The stream_start status item announced by 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;
-       /** 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;
+       /** The offset status item announced by para_server. */
+       unsigned offset_seconds;
+       /** The seconds_total status item announced by para_server. */
+       unsigned seconds_total;
+       /** The receiver info associated with this slot. */
+       struct receiver_node *receiver_node;
+       /** The array of filter nodes. */
+       struct filter_node *fns;
+       /** The array of writers attached to the last filter. */
+       struct writer_node *wns;
 };
 
-extern struct status_task *stat_task;
 extern struct slot_info slot[MAX_STREAM_SLOTS];
 extern struct audiod_args_info conf;
 extern int audiod_status;
-extern const char *status_item_list[NUM_STAT_ITEMS];
 
 void __noreturn clean_exit(int status, const char *msg);
-int handle_connect(int accept_fd);
+int handle_connect(int accept_fd, fd_set *rfds);
 void audiod_status_dump(void);
-void dump_empty_status(void);
+char *get_time_string(int slot_num);
+struct btr_node *audiod_get_btr_root(void);
+
+void stat_client_write_item(int item_num);
+void clear_and_dump_items(void);
 
 /** iterate over all slots */
 #define FOR_EACH_SLOT(_slot) for (_slot = 0; _slot < MAX_STREAM_SLOTS; _slot++)