2 * Copyright (C) 2005-2013 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file recv.c the stand-alone audio stream receiver */
10 #include <sys/types.h>
16 #include "buffer_tree.h"
18 #include "recv.cmdline.h"
25 extern void afh_recv_init(struct receiver *r);
27 #define AFH_RECEIVER {.name = "afh", .init = afh_recv_init},
28 DEFINE_RECEIVER_ARRAY;
30 /** The gengetopt args info struct. */
31 static struct recv_args_info conf;
34 /** Always log to stderr. */
35 INIT_STDERR_LOGGING(loglevel);
37 /** init array of error codes used by para_recv */
40 __noreturn static void print_help_and_die(void)
42 int d = conf.detailed_help_given;
43 const char **p = d? recv_args_info_detailed_help
44 : recv_args_info_help;
46 printf_or_die("%s\n\n", VERSION_SINGLE_LINE("recv"));
47 printf_or_die("%s\n\n", recv_args_info_usage);
49 printf_or_die("%s\n", *p);
50 print_receiver_helps(d);
55 * The main function of para_recv.
57 * \param argc number of arguments
58 * \param argv vector of arguments
60 * para_recv uses the specified receiver to receive an audio stream sent by
61 * para_server. The received data is written to stdout.
63 * \return \a EXIT_SUCCESS on success, \a EXIT_FAILURE on errors.
65 int main(int argc, char *argv[])
67 int ret, r_opened = 0, receiver_num;
68 struct receiver *r = NULL;
69 struct receiver_node rn;
70 struct stdout_task sot;
71 static struct sched s;
73 recv_cmdline_parser(argc, argv, &conf);
74 loglevel = get_loglevel_by_name(conf.loglevel_arg);
75 HANDLE_VERSION_FLAG("recv", conf);
77 if (conf.help_given || conf.detailed_help_given)
80 memset(&rn, 0, sizeof(struct receiver_node));
81 rn.conf = check_receiver_arg(conf.receiver_arg, &receiver_num);
83 PARA_EMERG_LOG("invalid receiver specifier\n");
87 r = &receivers[receiver_num];
89 rn.btrn = btr_new_node(&(struct btr_node_description)
90 EMBRACE(.name = r->name));
96 memset(&sot, 0, sizeof(struct stdout_task));
97 sot.btrn = btr_new_node(&(struct btr_node_description)
98 EMBRACE(.parent = rn.btrn, .name = "stdout"));
99 stdout_set_defaults(&sot);
100 register_task(&s, &sot.task);
102 rn.task.pre_select = r->pre_select;
103 rn.task.post_select = r->post_select;
104 sprintf(rn.task.status, "%s", r->name);
105 register_task(&s, &rn.task);
107 s.default_timeout.tv_sec = 1;
108 s.default_timeout.tv_usec = 0;
113 btr_remove_node(&rn.btrn);
114 btr_remove_node(&sot.btrn);
116 r->free_config(rn.conf);
119 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
120 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;