X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audiod.c;h=668b0f744cf316d3c1b8ad916845831f3c88b2d0;hp=136557adca486f65bdb38c592254461284148459;hb=6b935f552ebfe3a0a83ec9367deb2f42c1aff252;hpb=6668ac4a8c7f2a92efb9e6d405d954beff77d230

diff --git a/audiod.c b/audiod.c
index 136557ad..668b0f74 100644
--- a/audiod.c
+++ b/audiod.c
@@ -92,6 +92,7 @@ struct status_task {
 	struct timeval restart_barrier;
 	/** Last time we received status data from para_server. */
 	struct timeval last_status_read;
+	size_t min_iqs;
 	/** The offset value announced by para_server. */
 	int offset_seconds;
 	/** The length of the current audio file as announced by para_server. */
@@ -190,7 +191,7 @@ 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
- * 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
@@ -357,6 +358,8 @@ static void close_receiver(int slot_num)
 	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)
@@ -632,6 +635,8 @@ static bool must_start_decoder(void)
 	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)
@@ -860,7 +865,8 @@ static int init_default_filters(void)
 		 * 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);
@@ -977,19 +983,16 @@ static void signal_pre_select(struct sched *s, struct task *t)
 	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);
-
-	if (!FD_ISSET(st->fd, &s->rfds))
-		return;
+	int signum;
 
-	st->signum = para_next_signal();
-	switch (st->signum) {
+	signum = para_next_signal(&s->rfds);
+	switch (signum) {
 	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");
 	}
 }
@@ -1020,11 +1023,10 @@ static void command_post_select(struct sched *s, struct task *t)
 		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));
+	audiod_status_dump();
 }
 
 static void init_command_task(struct command_task *ct)
@@ -1148,10 +1150,19 @@ 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;
-	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);
+	/*
+	 * 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);
@@ -1187,25 +1198,28 @@ static void status_post_select(__a_unused struct sched *s, struct task *t)
 		}
 		if (st->ct->status != CL_RECEIVING)
 			goto out;
-		ret = btr_node_status(st->btrn, 0, BTR_NT_LEAF);
-		if (ret <= 0)
+		ret = btr_node_status(st->btrn, st->min_iqs, BTR_NT_LEAF);
+		if (ret <= 0) {
+			struct timeval diff;
+			tv_diff(now, &st->last_status_read, &diff);
+			if (diff.tv_sec > 61)
+				kill_btrn(st->ct->btrn, &st->ct->task,
+					-E_STATUS_TIMEOUT);
 			goto out;
+		}
+		btr_merge(st->btrn, st->min_iqs);
 		sz = btr_next_buffer(st->btrn, &buf);
 		ret = for_each_stat_item(buf, sz, update_item);
 		if (ret < 0) {
 			kill_btrn(st->ct->btrn, &st->ct->task, ret);
 			goto out;
 		}
-		if (sz != ret)
+		if (sz != ret) {
+			btr_consume(st->btrn, sz - ret);
 			st->last_status_read = *now;
-		else {
-			struct timeval diff;
-			tv_diff(now, &st->last_status_read, &diff);
-			if (diff.tv_sec > 61)
-				kill_btrn(st->ct->btrn, &st->ct->task,
-					-E_STATUS_TIMEOUT);
-		}
-		btr_consume(st->btrn, sz - ret);
+			st->min_iqs = 0;
+		} else /* current status item crosses buffers */
+			st->min_iqs = sz + 1;
 		goto out;
 	}
 	if (tv_diff(now, &st->restart_barrier, NULL) < 0)