X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audiod.c;h=41be3c4f757c64e200c1e6772f82bac6cbe56d9b;hp=4f2d4151b58cf62e980c4f61c94c8ca1e1923297;hb=a7f2d19821d3251298364b8a45d5c5f7bf9d5baa;hpb=3879481ddabc38236b9eee979a090c2a9bfa74d3

diff --git a/audiod.c b/audiod.c
index 4f2d4151..41be3c4f 100644
--- a/audiod.c
+++ b/audiod.c
@@ -495,8 +495,13 @@ static void open_filters(struct slot_info *s)
 		fn->filter_num = a->filter_nums[i];
 		fn->conf = a->filter_conf[i];
 		fn->task.pre_select = f->pre_select;
-		fn->task.post_select = f->post_select;
-
+		if (f->new_post_select) {
+			fn->task.new_post_select = f->new_post_select;
+			fn->task.post_select = NULL;
+		} else {
+			fn->task.new_post_select = NULL;
+			fn->task.post_select = f->post_select;
+		}
 		fn->btrn = btr_new_node(&(struct btr_node_description)
 			EMBRACE(.name = f->name, .parent = parent,
 				.handler = f->execute, .context = fn));
@@ -560,7 +565,13 @@ static int open_receiver(int format)
 	PARA_NOTICE_LOG("started %s: %s receiver in slot %d\n",
 		audio_formats[format], r->name, slot_num);
 	rn->task.pre_select = r->pre_select;
-	rn->task.post_select = r->post_select;
+	if (r->new_post_select) {
+		rn->task.new_post_select = r->new_post_select;
+		rn->task.post_select = NULL;
+	} else {
+		rn->task.new_post_select = NULL;
+		rn->task.post_select = r->post_select;
+	}
 	sprintf(rn->task.status, "%s receiver node", r->name);
 	register_task(&sched, &rn->task);
 	return slot_num;
@@ -992,7 +1003,7 @@ 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, __a_unused struct task *t)
+static int signal_post_select(struct sched *s, __a_unused struct task *t)
 {
 	int signum;
 
@@ -1004,12 +1015,14 @@ static void signal_post_select(struct sched *s, __a_unused struct task *t)
 		PARA_EMERG_LOG("terminating on signal %d\n", signum);
 		clean_exit(EXIT_FAILURE, "caught deadly signal");
 	}
+	return 0;
 }
 
 static void signal_setup_default(struct signal_task *st)
 {
 	st->task.pre_select = signal_pre_select;
-	st->task.post_select = signal_post_select;
+	st->task.new_post_select = signal_post_select;
+	st->task.post_select = NULL;
 	sprintf(st->task.status, "signal task");
 }
 
@@ -1042,6 +1055,7 @@ static void init_command_task(struct command_task *ct)
 {
 	ct->task.pre_select = command_pre_select;
 	ct->task.post_select = command_post_select;
+	ct->task.new_post_select = NULL;
 	ct->task.error = 0;
 	ct->fd = audiod_get_socket(); /* doesn't return on errors */
 	sprintf(ct->task.status, "command task");
@@ -1089,32 +1103,44 @@ static void set_stat_task_restart_barrier(unsigned seconds)
 	tv_add(now, &delay, &stat_task->restart_barrier);
 }
 
-static void try_to_close_slot(int slot_num)
+static bool must_close_slot(int slot_num)
 {
 	struct slot_info *s = &slot[slot_num];
 	struct audio_format_info *a = afi + s->format;
 	int i;
 
 	if (s->format < 0)
-		return;
+		return false;
 	if (s->receiver_node && s->receiver_node->task.error >= 0)
-		return;
+		return false;
 	for (i = 0; i < a->num_filters; i++)
 		if (s->fns && s->fns[i].task.error >= 0)
-			return;
+			return false;
 	if (a->num_writers > 0) {
 		for (i = 0; i < a->num_writers; i++)
 			if (s->wns && s->wns[i].task.error >= 0)
-				return;
+				return false;
 	} else {
 		if (s->wns && s->wns[0].task.error >= 0)
-			return;
+			return false;
+	}
+	return true;
+}
+
+static void close_unused_slots(void)
+{
+	int i;
+
+	FOR_EACH_SLOT(i) {
+		struct slot_info *s = slot + i;
+		if (!must_close_slot(i))
+			continue;
+		PARA_INFO_LOG("closing slot %d\n", i);
+		close_writers(s);
+		close_filters(s);
+		close_receiver(i);
+		clear_slot(i);
 	}
-	PARA_INFO_LOG("closing slot %d\n", slot_num);
-	close_writers(s);
-	close_filters(s);
-	close_receiver(slot_num);
-	clear_slot(slot_num);
 }
 
 /*
@@ -1123,12 +1149,11 @@ static void try_to_close_slot(int slot_num)
  */
 static void start_stop_decoders(void)
 {
-	int i, ret;
+	int ret;
 	struct slot_info *sl;
 	struct audio_format_info *a;
 
-	FOR_EACH_SLOT(i)
-		try_to_close_slot(i);
+	close_unused_slots();
 	if (audiod_status != AUDIOD_ON ||
 			!(stat_task->vss_status & VSS_STATUS_FLAG_PLAYING))
 		return notify_receivers(E_NOT_PLAYING);
@@ -1151,10 +1176,13 @@ static void start_stop_decoders(void)
 static void status_pre_select(struct sched *s, struct task *t)
 {
 	struct status_task *st = container_of(t, struct status_task, task);
-	int ret, cafn = stat_task->current_audio_format_num;
+	int i, ret, cafn = stat_task->current_audio_format_num;
 
 	if (must_start_decoder())
 		goto min_delay;
+	FOR_EACH_SLOT(i)
+		if (must_close_slot(i))
+			goto min_delay;
 	ret = btr_node_status(st->btrn, st->min_iqs, BTR_NT_LEAF);
 	if (ret > 0)
 		goto min_delay;