X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/515cd2bb4f4ec548f464edeb5be7564fa5b0139f..a684c959cadb4166c695f70cc4aa3a8f5603b67c:/server/speaker.h

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