From ae045ef3f6cea8028d8814bd48c59187e4bff485 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Mon, 11 Dec 2023 16:07:57 +0100
Subject: [PATCH] raop: use 1500ms of latency as fallback

The Pro Link 1 replies with Audio-latency=0, patch that up to
1500ms to make it work again.

Previously it configured 1500ms as the default latency but that seems
unnecessary in the usual case.

Fixes #3698
---
 src/modules/module-raop-sink.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/modules/module-raop-sink.c b/src/modules/module-raop-sink.c
index fee6d520b..ed5630ac0 100644
--- a/src/modules/module-raop-sink.c
+++ b/src/modules/module-raop-sink.c
@@ -153,6 +153,7 @@ PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
 #define RAOP_STRIDE		(2*DEFAULT_CHANNELS)
 #define RAOP_RATE		44100
 #define RAOP_LATENCY_MS		250
+#define DEFAULT_LATENCY_MS	1500
 
 #define VOLUME_MAX		0.0
 #define VOLUME_MIN		-30.0
@@ -890,8 +891,11 @@ static int rtsp_record_reply(void *data, int status, const struct spa_dict *head
 
 	if ((str = spa_dict_lookup(headers, "Audio-Latency")) != NULL) {
 		uint32_t l;
-		if (spa_atou32(str, &l, 0))
+		if (spa_atou32(str, &l, 0)) {
+			if (l == 0)
+				l = msec_to_samples(impl, DEFAULT_LATENCY_MS);
 			impl->latency = SPA_MAX(l, impl->latency);
+		}
 	}
 
 	spa_zero(latency);