From 00c9749b5d6ca6e7eb048da5f415493bd94ad1bb Mon Sep 17 00:00:00 2001
From: xiongziliang <771730766@qq.com>
Date: Sat, 3 Sep 2022 16:47:37 +0800
Subject: [PATCH] =?UTF-8?q?=E9=98=B2=E6=AD=A2=E5=A4=9A=E4=B8=AAtrack?=
 =?UTF-8?q?=E6=97=B6=E8=8E=B7=E5=8F=96rtp=E6=8E=A8=E6=B5=81=E4=B8=A2?=
 =?UTF-8?q?=E5=8C=85=E7=8E=87=E5=A4=B1=E8=B4=A5?=
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---
 server/WebApi.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index b5ab143e..ad3b8a27 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -341,6 +341,7 @@ Value makeMediaSourceJson(MediaSource &media){
 
     //getLossRate有线程安全问题；使用getMediaInfo接口才能获取丢包率；getMediaList接口将忽略丢包率
     auto current_thread = media.getOwnerPoller()->isCurrentThread();
+    float last_loss = -1;
     for(auto &track : media.getTracks(false)){
         Value obj;
         auto codec_type = track->getTrackType();
@@ -349,7 +350,14 @@ Value makeMediaSourceJson(MediaSource &media){
         obj["ready"] = track->ready();
         obj["codec_type"] = codec_type;
         if (current_thread) {
-            obj["loss"] = media.getLossRate(codec_type);
+            //rtp推流只有一个统计器，但是可能有多个track，如果短时间多次获取间隔丢包率，第二次会获取为-1
+            auto loss = media.getLossRate(codec_type);
+            if (loss == -1) {
+                loss = last_loss;
+            } else {
+                last_loss = loss;
+            }
+            obj["loss"] = loss;
         }
         switch(codec_type){
             case TrackAudio : {