From 5efe8435958492e51a49bafcad4bef5d2369cd6f Mon Sep 17 00:00:00 2001
From: JanffuChan <94026533+JanffuChan@users.noreply.github.com>
Date: Tue, 25 Nov 2025 19:00:38 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Drtp=E6=97=A0=E5=AE=9E?=
 =?UTF-8?q?=E9=99=85=E8=B4=9F=E8=BD=BD=E6=97=B6=E5=88=A4=E5=AE=9A=E4=B8=BA?=
 =?UTF-8?q?=E4=B8=A2=E5=8C=85=E7=9A=84bug=20(#4563)?=
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RTP无负载时，也记录序号
---
 src/Extension/CommonRtp.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Extension/CommonRtp.cpp b/src/Extension/CommonRtp.cpp
index fd3b8abd..b4687d07 100644
--- a/src/Extension/CommonRtp.cpp
+++ b/src/Extension/CommonRtp.cpp
@@ -28,6 +28,8 @@ bool CommonRtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool){
     if (payload_size <= 0) {
         // 无实际负载  [AUTO-TRANSLATED:305af48f]
         // No actual load
+        // 无实际负载也需要记录序号，否则会误判丢包
+        _last_seq = rtp->getSeq();
         return false;
     }
     auto payload = rtp->getPayload();
@@ -93,4 +95,4 @@ bool CommonRtpEncoder::inputFrame(const Frame::Ptr &frame){
         is_key = false;
     }
     return len > 0;
-}
\ No newline at end of file
+}