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janus: reserve 50 bytes for RTP extensions

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This commit is contained in:
Maxim Devaev 2026-02-12 19:34:39 +02:00
parent e013356cf0
commit a05eab71a8
1 changed files with 4 additions and 2 deletions
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6
janus/src/rtp.h
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@ -25,8 +25,10 @@
#include "uslibs/types.h"
// https://stackoverflow.com/questions/47635545/why-webrtc-chose-rtp-max-packet-size-to-1200-bytes
#define US_RTP_TOTAL_SIZE 1200
// Max RTP size for WebRTC is 1200 bytes:
// - https://stackoverflow.com/questions/47635545/why-webrtc-chose-rtp-max-packet-size-to-1200-bytes
// We take this and substract 50 bytes for possible RTP extensions, see sdp.c
#define US_RTP_TOTAL_SIZE (1200 - 50)
#define US_RTP_HEADER_SIZE 12
#define US_RTP_PAYLOAD_SIZE (US_RTP_TOTAL_SIZE - US_RTP_HEADER_SIZE)