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Fix #2415, refine dtls fragment and rtp payload size (#2652)

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ChenGH 2021-10-07 21:05:30 +08:00 • committed by GitHub
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commit 7a4de9ffe7
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2 changed files with 11 additions and 3 deletions
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trunk/src/app/srs_app_rtc_source.cpp
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@ -64,7 +64,11 @@ const int kVideoSamplerate = 90000;
// kRtpPacketSize = kRtpMaxPayloadSize + paddings
// For example, if kRtpPacketSize is 1500, recommend to set kRtpMaxPayloadSize to 1400,
// which reserves 100 bytes for SRTP or paddings.
const int kRtpMaxPayloadSize = kRtpPacketSize - 200;
// otherwise, the kRtpPacketSize must less than MTU, in webrtc source code,
// the rtp max size is assigned by kVideoMtu = 1200.
// so we set kRtpMaxPayloadSize = 1200.
// see @doc https://groups.google.com/g/discuss-webrtc/c/gH5ysR3SoZI
const int kRtpMaxPayloadSize = kRtpPacketSize - 300;
using namespace std;