From 1d84bb54585e986015986cb4702c65c7a166fecc Mon Sep 17 00:00:00 2001
From: xia-chu <771730766@qq.com>
Date: Mon, 26 Apr 2021 21:50:31 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E5=96=84twcc=E7=9B=B8=E5=85=B3?=
 =?UTF-8?q?=E9=80=BB=E8=BE=91?=
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---
 src/Rtcp/RtcpFCI.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/Rtcp/RtcpFCI.cpp b/src/Rtcp/RtcpFCI.cpp
index e9627abc..dc48be52 100644
--- a/src/Rtcp/RtcpFCI.cpp
+++ b/src/Rtcp/RtcpFCI.cpp
@@ -423,22 +423,26 @@ map<uint16_t, std::pair<SymbolStatus, uint32_t/*stamp*/> > FCI_TWCC::getPacketCh
     auto end = (uint8_t *) this + total_size;
     CHECK(ptr < end);
     auto seq = getBaseSeq();
-
-    for (uint8_t i = 0; i < getPacketCount();) {
+    auto rtp_count = getPacketCount();
+    for (uint8_t i = 0; i < rtp_count;) {
         CHECK(ptr + RunLengthChunk::kSize <= end);
         RunLengthChunk *chunk = (RunLengthChunk *) ptr;
         if (!chunk->type) {
             //RunLengthChunk
             for (auto j = 0; j < chunk->getRunLength(); ++j) {
                 ret.emplace(seq++, std::make_pair((SymbolStatus) chunk->symbol, 0));
-                ++i;
+                if (++i >= rtp_count) {
+                    break;
+                }
             }
         } else {
             //StatusVecChunk
             StatusVecChunk *chunk = (StatusVecChunk *) ptr;
             for (auto &symbol : chunk->getSymbolList()) {
                 ret.emplace(seq++, std::make_pair(symbol, 0));
-                ++i;
+                if (++i >= rtp_count) {
+                    break;
+                }
             }
         }
         ptr += 2;