X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audiod.h;h=856bc05126dbcb54a24a311a2f0eb19b42060d95;hp=7e2e2769985f08efcf3227db068e2d7b155ab564;hb=98d0c34a0377546a4ed0062ad32e8161d611d6e6;hpb=7d1805d1559e08e0af701155574aef220925d411 diff --git a/audiod.h b/audiod.h index 7e2e2769..856bc051 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 * @@ -37,6 +38,7 @@ struct slot_info { /** the active writer node group */ struct writer_node_group *wng; }; + /** * the main task of audiod * @@ -46,39 +48,46 @@ struct audiod_task { struct timeval *now; struct task task; }; + /** * the task for audiod's child (para_client stat) * * \sa struct task, struct sched */ struct status_task { - /** the output of the stat command is read from this fd */ - int fd; - /** stat data is stored here */ - char buf[STRINGSIZE]; - /** number of bytes loaded in \a buf */ - unsigned loaded; - /** the associated task structure */ + /** the associated task structure of audiod */ struct task 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; - int playing; + /** 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; - int sa_time_diff_sign; - char *stat_item_values[NUM_STAT_ITEMS]; + /** 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 */ struct timeval sa_time_diff; + /** whether client time is ahead of server time */ + int sa_time_diff_sign; + /** non-zero if \a af_status is "playing" */ + int playing; }; + extern struct status_task *stat_task; extern struct slot_info slot[MAX_STREAM_SLOTS]; -extern struct gengetopt_args_info conf; +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++)