From 2b096993ed0404e035a592afa1bc5dba89f86d00 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Mon, 15 Oct 2018 12:46:50 +0200
Subject: [PATCH] media-session: only enable session when format is known

---
 src/examples/media-session.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/examples/media-session.c b/src/examples/media-session.c
index 21f107c6b..1f01ecd84 100644
--- a/src/examples/media-session.c
+++ b/src/examples/media-session.c
@@ -508,7 +508,7 @@ handle_node(struct impl *impl, uint32_t id, uint32_t parent_id,
 		sess->direction = direction;
 		sess->id = id;
 		sess->need_dsp = need_dsp;
-		sess->enabled = true;
+		sess->enabled = false;
 		sess->starting = true;
 		sess->node = node;
 		if ((str = spa_dict_lookup(props, "node.plugged")) != NULL)
@@ -564,8 +564,11 @@ static void port_event_param(void *object,
 	if (spa_format_audio_raw_parse(param, &info) < 0)
 		return;
 
-	if (info.channels > node->format.channels)
+	if (info.channels > node->format.channels) {
 		node->format = info;
+		if (node->manager)
+			node->manager->enabled = true;
+	}
 }
 
 static const struct pw_port_proxy_events port_events = {