X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audiod.h;h=b40fdd6743faa4650888c2bdf69756d6c12e40d8;hp=7628c1ea3a2ec9c8038d31a549a3b738a9b9a811;hb=f5c010bd27e131fca0c2ae58ebdde80e44655dcc;hpb=712e7b887bcd5cd389c76dafecf0edc5b7cc97c6 diff --git a/audiod.h b/audiod.h index 7628c1ea..b40fdd67 100644 --- a/audiod.h +++ b/audiod.h @@ -1,128 +1,25 @@ -/* - * Copyright (C) 2006-2007 Andre Noll - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. - */ +/* Copyright (C) 2006 Andre Noll , see file COPYING. */ -/** \file audiod.h symbols exported from audiod.c */ +/** \file audiod.h Symbols exported from audiod.c. */ -int num_filters(int audio_format_num); -int get_audio_format_num(char *name); - /** 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[]; -/** maximal number of simultaneous instances */ -#define MAX_STREAM_SLOTS 5 - -/** - * the possible modes of operation - * - * - 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}; - -/** 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**); - /** - * if the command prefers to handle the full line (rather than the usual - * argv[] array), it stores a pointer to the corresponding line handling - * function here. In this case, the above \a handler pointer must be NULL. - */ - int (*line_handler)(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; -}; - -/** - * 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 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 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; -}; - -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); -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++) +/* defined in audiod.c */ +struct btr_node *audiod_get_btr_root(void); +__malloc char *audiod_get_decoder_flags(void); +void clear_and_dump_items(void); +char *get_time_string(void); +bool uid_is_whitelisted(uid_t uid); + +/* defined in audiod_command.c */ +void audiod_status_dump(bool force); +void close_stat_clients(void); +int handle_connect(int accept_fd, fd_set *rfds); +void stat_client_write_item(int item_num);