From a684c959cadb4166c695f70cc4aa3a8f5603b67c Mon Sep 17 00:00:00 2001
Message-Id: <a684c959cadb4166c695f70cc4aa3a8f5603b67c.1713852955.git.mdw@distorted.org.uk>
From: Mark Wooding <mdw@chiark.greenend.org.uk>
Date: Fri, 5 Oct 2007 18:44:37 +0100
Subject: [PATCH] bump RTP packet size a bit
Organization: Straylight/Edgeware

From: Richard Kettlewell <rjk@greenend.org.uk>

---
 server/speaker.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server/speaker.h b/server/speaker.h
index 061da0b..ae4eac3 100644
--- a/server/speaker.h
+++ b/server/speaker.h
@@ -46,10 +46,14 @@
 #define FRAMES 4096
 
 /** @brief Bytes to send per network packet
+ *
+ * This is the maximum number of bytes we pass to write(2); to determine actual
+ * packet sizes, add a UDP header and an IP header (and a link layer header if
+ * it's the link layer size you care about).
  *
  * Don't make this too big or arithmetic will start to overflow.
  */
-#define NETWORK_BYTES (1024+sizeof(struct rtp_header))
+#define NETWORK_BYTES (1500-8/*UDP*/-40/*IP*/-8/*conservatism*/)
 
 /** @brief Maximum RTP playahead (ms) */
 #define RTP_AHEAD_MS 1000
-- 
[mdw]