From bad419e41f034a38f3401b23bfc7eb220626e037 Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Sat, 7 Nov 2020 17:44:30 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dcts=E5=B0=8F=E4=BA=8E0?=
 =?UTF-8?q?=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 src/Extension/H264Rtmp.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Extension/H264Rtmp.cpp b/src/Extension/H264Rtmp.cpp
index c1a94b96..20e58da1 100644
--- a/src/Extension/H264Rtmp.cpp
+++ b/src/Extension/H264Rtmp.cpp
@@ -200,7 +200,10 @@ void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
         _lastPacket->buffer.clear();
         _lastPacket->buffer.push_back(flags);
         _lastPacket->buffer.push_back(!is_config);
-        auto cts = frame->pts() - frame->dts();
+        int32_t cts = frame->pts() - frame->dts();
+        if (cts < 0) {
+            cts = 0;
+        }
         cts = htonl(cts);
         _lastPacket->buffer.append((char *)&cts + 1, 3);