Remove autogenerated doxygen comments for commands.
[paraslash.git] / audiod.c
index 32047a1..40a35c6 100644 (file)
--- a/audiod.c
+++ b/audiod.c
@@ -1,5 +1,5 @@
 /*
 /*
- * Copyright (C) 2005-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -9,7 +9,6 @@
 #include <sys/types.h>
 #include <dirent.h>
 #include <signal.h>
 #include <sys/types.h>
 #include <dirent.h>
 #include <signal.h>
-#include <openssl/rc4.h>
 #include <stdbool.h>
 
 #include "para.h"
 #include <stdbool.h>
 
 #include "para.h"
@@ -167,7 +166,7 @@ struct command_task {
  * \return The audio format number on success, -E_UNSUPPORTED_AUDIO_FORMAT if
  * \a name is not a supported audio format.
  */
  * \return The audio format number on success, -E_UNSUPPORTED_AUDIO_FORMAT if
  * \a name is not a supported audio format.
  */
-int get_audio_format_num(const char *name)
+static int get_audio_format_num(const char *name)
 {
        int i;
 
 {
        int i;
 
@@ -191,7 +190,7 @@ int get_audio_format_num(const char *name)
  * It has to to take into account that probably the stream was not started at
  * the beginning of the file, that the clock between the server and the client
  * host may differ and that playback of the stream was delayed, e.g. because
  * It has to to take into account that probably the stream was not started at
  * the beginning of the file, that the clock between the server and the client
  * host may differ and that playback of the stream was delayed, e.g. because
- * the prebuffer filter is used in the filter chain of the given slot.
+ * the prebuffer filter is used in the filter configuration of the given slot.
  *
  * If no writer is active in the given slot, or \a slot_num is negative
  * (indicating that para_audiod runs in standby mode), an approximation based
  *
  * If no writer is active in the given slot, or \a slot_num is negative
  * (indicating that para_audiod runs in standby mode), an approximation based
@@ -358,6 +357,8 @@ static void close_receiver(int slot_num)
        btr_free_node(s->receiver_node->btrn);
        free(s->receiver_node);
        s->receiver_node = NULL;
        btr_free_node(s->receiver_node->btrn);
        free(s->receiver_node);
        s->receiver_node = NULL;
+       tv_add(now, &(struct timeval)EMBRACE(0, 200 * 1000),
+               &a->restart_barrier);
 }
 
 static void writer_cleanup(struct writer_node *wn)
 }
 
 static void writer_cleanup(struct writer_node *wn)
@@ -467,20 +468,6 @@ static int get_empty_slot(void)
        return -E_NO_MORE_SLOTS;
 }
 
        return -E_NO_MORE_SLOTS;
 }
 
-/**
- * get the number of filters
- *
- * \param audio_format_num the number identifying the audio format
- *
- * \return the number of filters for the given audio format
- *
- * \sa struct filter;
- */
-int num_filters(int audio_format_num)
-{
-       return afi[audio_format_num].num_filters;
-}
-
 static void open_filters(struct slot_info *s)
 {
        struct audio_format_info *a = afi + s->format;
 static void open_filters(struct slot_info *s)
 {
        struct audio_format_info *a = afi + s->format;
@@ -633,6 +620,8 @@ static bool must_start_decoder(void)
        int cafn = stat_task->current_audio_format_num;
        unsigned vs = stat_task->vss_status;
 
        int cafn = stat_task->current_audio_format_num;
        unsigned vs = stat_task->vss_status;
 
+       if (audiod_status != AUDIOD_ON)
+               return false;
        if (cafn < 0)
                return false;
        if (!stat_task->ct)
        if (cafn < 0)
                return false;
        if (!stat_task->ct)
@@ -819,6 +808,14 @@ static int parse_receiver_args(void)
                ret = get_audio_format_num(arg);
                if (ret < 0)
                        goto out;
                ret = get_audio_format_num(arg);
                if (ret < 0)
                        goto out;
+               /*
+                * If multiple receivers are given for this audio format, the
+                * last one wins and we have to free the previous receiver
+                * config here. Since we are iterating backwards, the winning
+                * receiver arg is in fact the first one given.
+                */
+               if (afi[ret].receiver_conf)
+                       afi[ret].receiver->free_config(afi[ret].receiver_conf);
                afi[ret].receiver_conf = check_receiver_arg(recv_arg, &receiver_num);
                if (!afi[ret].receiver_conf) {
                        ret = -E_RECV_SYNTAX;
                afi[ret].receiver_conf = check_receiver_arg(recv_arg, &receiver_num);
                if (!afi[ret].receiver_conf) {
                        ret = -E_RECV_SYNTAX;
@@ -826,9 +823,9 @@ static int parse_receiver_args(void)
                }
                afi[ret].receiver = &receivers[receiver_num];
        }
                }
                afi[ret].receiver = &receivers[receiver_num];
        }
-       /* use the first available receiver with no arguments
-        * for those audio formats for which no receiver
-        * was specified
+       /*
+        * Use the first available receiver with no arguments for those audio
+        * formats for which no receiver was specified.
         */
        cmd = para_strdup(receivers[0].name);
        FOR_EACH_AUDIO_FORMAT(i) {
         */
        cmd = para_strdup(receivers[0].name);
        FOR_EACH_AUDIO_FORMAT(i) {
@@ -861,7 +858,8 @@ static int init_default_filters(void)
                 * If udp is used to receive this audiod format, add fecdec as
                 * the first filter.
                 */
                 * If udp is used to receive this audiod format, add fecdec as
                 * the first filter.
                 */
-               if (strcmp(afi[i].receiver->name, "udp") == 0) {
+               if (strcmp(afi[i].receiver->name, "udp") == 0 ||
+                               strcmp(afi[i].receiver->name, "dccp") == 0) {
                        tmp = para_strdup("fecdec");
                        add_filter(i, tmp);
                        free(tmp);
                        tmp = para_strdup("fecdec");
                        add_filter(i, tmp);
                        free(tmp);
@@ -978,19 +976,16 @@ static void signal_pre_select(struct sched *s, struct task *t)
        para_fd_set(st->fd, &s->rfds, &s->max_fileno);
 }
 
        para_fd_set(st->fd, &s->rfds, &s->max_fileno);
 }
 
-static void signal_post_select(struct sched *s, struct task *t)
+static void signal_post_select(struct sched *s, __a_unused struct task *t)
 {
 {
-       struct signal_task *st = container_of(t, struct signal_task, task);
+       int signum;
 
 
-       if (!FD_ISSET(st->fd, &s->rfds))
-               return;
-
-       st->signum = para_next_signal();
-       switch (st->signum) {
+       signum = para_next_signal(&s->rfds);
+       switch (signum) {
        case SIGINT:
        case SIGTERM:
        case SIGHUP:
        case SIGINT:
        case SIGTERM:
        case SIGHUP:
-               PARA_EMERG_LOG("terminating on signal %d\n", st->signum);
+               PARA_EMERG_LOG("terminating on signal %d\n", signum);
                clean_exit(EXIT_FAILURE, "caught deadly signal");
        }
 }
                clean_exit(EXIT_FAILURE, "caught deadly signal");
        }
 }
@@ -1021,11 +1016,10 @@ static void command_post_select(struct sched *s, struct task *t)
                last_status_dump = *now;
        }
 
                last_status_dump = *now;
        }
 
-       if (!FD_ISSET(ct->fd, &s->rfds))
-               return;
-       ret = handle_connect(ct->fd);
+       ret = handle_connect(ct->fd, &s->rfds);
        if (ret < 0)
                PARA_ERROR_LOG("%s\n", para_strerror(-ret));
        if (ret < 0)
                PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+       audiod_status_dump();
 }
 
 static void init_command_task(struct command_task *ct)
 }
 
 static void init_command_task(struct command_task *ct)
@@ -1088,17 +1082,17 @@ static void try_to_close_slot(int slot_num)
 
        if (s->format < 0)
                return;
 
        if (s->format < 0)
                return;
-       if (s->receiver_node && s->receiver_node->task.error != -E_TASK_UNREGISTERED)
+       if (s->receiver_node && s->receiver_node->task.error >= 0)
                return;
        for (i = 0; i < a->num_filters; i++)
                return;
        for (i = 0; i < a->num_filters; i++)
-               if (s->fns && s->fns[i].task.error != -E_TASK_UNREGISTERED)
+               if (s->fns && s->fns[i].task.error >= 0)
                        return;
        if (a->num_writers > 0) {
                for (i = 0; i < a->num_writers; i++)
                        return;
        if (a->num_writers > 0) {
                for (i = 0; i < a->num_writers; i++)
-                       if (s->wns && s->wns[i].task.error != -E_TASK_UNREGISTERED)
+                       if (s->wns && s->wns[i].task.error >= 0)
                                return;
        } else {
                                return;
        } else {
-               if (s->wns && s->wns[0].task.error != -E_TASK_UNREGISTERED)
+               if (s->wns && s->wns[0].task.error >= 0)
                        return;
        }
        PARA_INFO_LOG("closing slot %d\n", slot_num);
                        return;
        }
        PARA_INFO_LOG("closing slot %d\n", slot_num);
@@ -1149,10 +1143,19 @@ static void status_pre_select(struct sched *s, struct task *t)
        ret = btr_node_status(st->btrn, 0, BTR_NT_LEAF);
        if (ret > 0)
                goto min_delay;
        ret = btr_node_status(st->btrn, 0, BTR_NT_LEAF);
        if (ret > 0)
                goto min_delay;
-       if (!st->ct)
+       if (st->ct && audiod_status == AUDIOD_OFF)
+               goto min_delay;
+       if (!st->ct && audiod_status != AUDIOD_OFF)
                sched_request_barrier_or_min_delay(&st->restart_barrier, s);
        if (cafn >= 0)
                sched_request_barrier(&afi[cafn].restart_barrier, s);
                sched_request_barrier_or_min_delay(&st->restart_barrier, s);
        if (cafn >= 0)
                sched_request_barrier(&afi[cafn].restart_barrier, s);
+       /*
+        * If para_server is playing we'd like to have a smooth time display
+        * even if we are running in standby mode. So we request a timeout that
+        * expires at the next full second.
+        */
+       if (stat_task->vss_status & VSS_STATUS_FLAG_PLAYING)
+               sched_request_timeout_ms(1000 - now->tv_usec / 1000, s);
        return;
 min_delay:
        sched_min_delay(s);
        return;
 min_delay:
        sched_min_delay(s);
@@ -1170,7 +1173,7 @@ static void status_post_select(__a_unused struct sched *s, struct task *t)
                        kill_btrn(st->ct->btrn, &st->ct->task, -E_AUDIOD_OFF);
                        goto out;
                }
                        kill_btrn(st->ct->btrn, &st->ct->task, -E_AUDIOD_OFF);
                        goto out;
                }
-               if (st->ct->task.error != -E_TASK_UNREGISTERED)
+               if (st->ct->task.error >= 0)
                        goto out;
                close_stat_pipe();
                st->clock_diff_count = conf.clock_diff_count_arg;
                        goto out;
                close_stat_pipe();
                st->clock_diff_count = conf.clock_diff_count_arg;
@@ -1181,7 +1184,7 @@ static void status_post_select(__a_unused struct sched *s, struct task *t)
                size_t sz;
                int ret;
                if (st->ct->task.error < 0) {
                size_t sz;
                int ret;
                if (st->ct->task.error < 0) {
-                       if (st->ct->task.error != -E_TASK_UNREGISTERED)
+                       if (st->ct->task.error >= 0)
                                goto out;
                        close_stat_pipe();
                        goto out;
                                goto out;
                        close_stat_pipe();
                        goto out;
@@ -1212,6 +1215,8 @@ static void status_post_select(__a_unused struct sched *s, struct task *t)
                        st->min_iqs = sz + 1;
                goto out;
        }
                        st->min_iqs = sz + 1;
                goto out;
        }
+       btr_drain(st->btrn);
+       st->current_audio_format_num = -1;
        if (tv_diff(now, &st->restart_barrier, NULL) < 0)
                goto out;
        if (st->clock_diff_count) { /* get status only one time */
        if (tv_diff(now, &st->restart_barrier, NULL) < 0)
                goto out;
        if (st->clock_diff_count) { /* get status only one time */
@@ -1286,17 +1291,14 @@ __noreturn static void print_help_and_die(void)
 
 static void init_colors_or_die(void)
 {
 
 static void init_colors_or_die(void)
 {
-       int ret, i;
+       int i;
 
        if (!want_colors())
                return;
        daemon_set_default_log_colors();
        daemon_set_flag(DF_COLOR_LOG);
 
        if (!want_colors())
                return;
        daemon_set_default_log_colors();
        daemon_set_flag(DF_COLOR_LOG);
-       for (i = 0; i < conf.log_color_given; i++) {
-               ret = daemon_set_log_color(conf.log_color_arg[i]);
-               if (ret < 0)
-                       exit(EXIT_FAILURE);
-       }
+       for (i = 0; i < conf.log_color_given; i++)
+               daemon_set_log_color_or_die(conf.log_color_arg[i]);
 }
 
 /**
 }
 
 /**