From b438ecb88cdc92729dbc7ecba9274593701f70cf Mon Sep 17 00:00:00 2001
From: ziyue <1213642868@qq.com>
Date: Wed, 27 Oct 2021 13:23:27 +0800
Subject: [PATCH] =?UTF-8?q?=E5=85=BC=E5=AE=B9=E4=B8=8D=E8=A7=84=E8=8C=83?=
 =?UTF-8?q?=E7=9A=84aac=20rtsp=E6=8E=A8=E6=B5=81?=
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---
 src/Extension/AACRtp.cpp | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/Extension/AACRtp.cpp b/src/Extension/AACRtp.cpp
index c64f2039..3c55da7e 100644
--- a/src/Extension/AACRtp.cpp
+++ b/src/Extension/AACRtp.cpp
@@ -132,13 +132,19 @@ bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) {
 }
 
 void AACRtpDecoder::flushData() {
-    //插入adts头
-    char adts_header[32] = {0};
-    auto size = dumpAacConfig(_aac_cfg, _frame->_buffer.size(), (uint8_t *) adts_header, sizeof(adts_header));
-    if (size > 0) {
-        //插入adts头
-        _frame->_buffer.insert(0, adts_header, size);
-        _frame->_prefix_size = size;
+    auto ptr = reinterpret_cast<const uint8_t *>(_frame->_buffer.data());
+    if ((ptr[0] == 0xFF && (ptr[1] & 0xF0) == 0xF0)) {
+        //adts头打入了rtp包，不符合规范，兼容EasyPusher的bug
+        _frame->_prefix_size = ADTS_HEADER_LEN;
+    } else {
+        //没有adts头则插入adts头
+        char adts_header[32] = {0};
+        auto size = dumpAacConfig(_aac_cfg, _frame->_buffer.size(), (uint8_t *) adts_header, sizeof(adts_header));
+        if (size > 0) {
+            //插入adts头
+            _frame->_buffer.insert(0, adts_header, size);
+            _frame->_prefix_size = size;
+        }
     }
     RtpCodec::inputFrame(_frame);
     obtainFrame();