尝试添加rtp类型自动判断逻辑

conf/config.ini

@@ -168,8 +168,6 @@ checkSource=1
 dumpDir=
 #udp和tcp代理服务器，支持rtp(必须是ts或ps类型)代理
 port=10000
-#rtp如果是ts/ps类型则选择MP2P，还可以设置为MP4V-ES
-rtp_type=MP2P
 #rtp超时时间，单位秒
 timeoutSec=15
 

src/Common/config.cpp

@@ -282,15 +282,12 @@ namespace RtpProxy {
 const string kDumpDir = RTP_PROXY_FIELD"dumpDir";
 //是否限制udp数据来源ip和端口
 const string kCheckSource = RTP_PROXY_FIELD"checkSource";
-//rtp类型，支持MP2P/MP4V-ES
-const string kRtpType = RTP_PROXY_FIELD"rtp_type";
 //rtp接收超时时间
 const string kTimeoutSec = RTP_PROXY_FIELD"timeoutSec";
 
 onceToken token([](){
 	mINI::Instance()[kDumpDir] = "";
 	mINI::Instance()[kCheckSource] = 1;
-	mINI::Instance()[kRtpType] = "MP2P";
 	mINI::Instance()[kTimeoutSec] = 15;
 },nullptr);
 } //namespace RtpProxy

src/Common/config.h

@@ -306,8 +306,6 @@ namespace RtpProxy {
 extern const string kDumpDir;
 //是否限制udp数据来源ip和端口
 extern const string kCheckSource;
-//rtp类型，支持MP2P/MP4V-ES
-extern const string kRtpType;
 //rtp接收超时时间
 extern const string kTimeoutSec;
 } //namespace RtpProxy

src/Rtp/RtpDecoder.cpp

@@ -29,7 +29,6 @@
 #include "Util/logger.h"
 #include "RtpDecoder.h"
 #include "rtp-payload.h"
-
 using namespace toolkit;
 
 namespace mediakit{
@@ -45,7 +44,13 @@ RtpDecoder::~RtpDecoder() {
     }
 }
 
-void RtpDecoder::decodeRtp(const void *data, int bytes,const char *type_name) {
+void RtpDecoder::decodeRtp(const void *data, int bytes,const string &type_name) {
+    if(_rtp_type != type_name && _rtp_decoder){
+        //rtp类型发生变化，切换之
+        rtp_payload_decode_destroy(_rtp_decoder);
+        _rtp_decoder = nullptr;
+    }
+
     if(!_rtp_decoder){
         static rtp_payload_t s_func= {
                 [](void* param, int bytes){
@@ -64,11 +69,14 @@ void RtpDecoder::decodeRtp(const void *data, int bytes,const char *type_name) {
 
         uint8_t rtp_type = 0x7F & ((uint8_t *) data)[1];
         InfoL << "rtp type:" << (int) rtp_type;
-        _rtp_decoder = rtp_payload_decode_create(rtp_type, type_name, &s_func, this);
+        _rtp_decoder = rtp_payload_decode_create(rtp_type, type_name.data(), &s_func, this);
         if (!_rtp_decoder) {
             WarnL << "unsupported rtp type:" << (int) rtp_type << ",size:" << bytes << ",hexdump" << hexdump(data, bytes > 16 ? 16 : bytes);
+        }else{
+            _rtp_type = type_name;
         }
     }
+
     if(_rtp_decoder){
         rtp_payload_decode_input(_rtp_decoder,data,bytes);
     }

src/Rtp/RtpDecoder.h

@@ -38,11 +38,12 @@ public:
     RtpDecoder();
     virtual ~RtpDecoder();
 protected:
-    void decodeRtp(const void *data, int bytes,const char *type_name);
+    void decodeRtp(const void *data, int bytes,const string &type_name);
     virtual void onRtpDecode(const void *packet, int bytes, uint32_t timestamp, int flags) = 0;
 private:
     void *_rtp_decoder = nullptr;
     BufferRaw::Ptr _buffer;
+    string _rtp_type;
 };
 
 }//namespace mediakit

src/Rtp/RtpProcess.cpp

@@ -33,6 +33,7 @@
 
 namespace mediakit{
 
+static const vector<string> kRtpTypes = {"MP2P","MP4V-ES"};
 
 /**
 * 合并一些时间戳相同的frame
@@ -84,6 +85,7 @@ RtpProcess::RtpProcess(uint32_t ssrc) {
     _track->_samplerate = 90000;
     _track->_type = TrackVideo;
     _track->_ssrc = _ssrc;
+    getNextRtpType();
     DebugL << printSSRC(_ssrc);
 
     GET_CONFIG(bool,toRtxp,General::kPublishToRtxp);
@@ -153,6 +155,14 @@ bool RtpProcess::inputRtp(const char *data, int data_len,const struct sockaddr *
     return ret;
 }
 
+void RtpProcess::getNextRtpType(){
+    _rtp_type = kRtpTypes[_rtp_type_idx++];
+    _rtp_dec_failed_cnt = 0;
+    if(_rtp_type_idx == kRtpTypes.size()){
+        _rtp_type_idx = 0;
+    }
+}
+
 void RtpProcess::onRtpSorted(const RtpPacket::Ptr &rtp, int) {
     if(rtp->sequence != _sequence + 1){
         WarnL << rtp->sequence << " != " << _sequence << "+1";
@@ -166,8 +176,7 @@ void RtpProcess::onRtpSorted(const RtpPacket::Ptr &rtp, int) {
         fwrite((uint8_t *) rtp->data() + 4, rtp->size() - 4, 1, _save_file_rtp.get());
     }
 
-    GET_CONFIG(string,rtp_type,::RtpProxy::kRtpType);
+    decodeRtp(rtp->data() + 4 ,rtp->size() - 4,_rtp_type);
-    decodeRtp(rtp->data() + 4 ,rtp->size() - 4,rtp_type.data());
 }
 
 void RtpProcess::onRtpDecode(const void *packet, int bytes, uint32_t, int flags) {
@@ -178,6 +187,12 @@ void RtpProcess::onRtpDecode(const void *packet, int bytes, uint32_t, int flags)
     auto ret = decodePS((uint8_t *)packet,bytes);
     if(ret != bytes){
         WarnL << ret << " != " << bytes << " " << flags;
+        if(++_rtp_dec_failed_cnt == 10){
+            getNextRtpType();
+            InfoL << "rtp of ssrc " << printSSRC(_ssrc) << " change to type: " << _rtp_type ;
+        }
+    } else{
+        _rtp_dec_failed_cnt = 0;
     }
 }
 
@@ -307,5 +322,6 @@ void RtpProcess::setListener(const std::weak_ptr<MediaSourceEvent> &listener){
     _muxer->setListener(listener);
 }
 
+
 }//namespace mediakit
 #endif//defined(ENABLE_RTPPROXY)

src/Rtp/RtpProcess.h

@@ -62,6 +62,8 @@ protected:
                     int64_t dts,
                     const void *data,
                     int bytes) override ;
+private:
+    void getNextRtpType();
 private:
     std::shared_ptr<FILE> _save_file_rtp;
     std::shared_ptr<FILE> _save_file_ps;
@@ -77,6 +79,9 @@ private:
     Ticker _last_rtp_time;
     map<int,Stamp> _stamps;
     uint32_t _dts = 0;
+    int _rtp_type_idx = 0;
+    string _rtp_type;
+    int _rtp_dec_failed_cnt = 0;
 };
 
 }//namespace mediakit

tests/test_rtp.cpp

@@ -98,8 +98,6 @@ int main(int argc,char *argv[]) {
     rtspSrv->start<RtspSession>(554);//默认554
     rtmpSrv->start<RtmpSession>(1935);//默认1935
     httpSrv->start<HttpSession>(80);//默认80
-    //此处可以选择MP4V-ES或MP2P
-    mINI::Instance()[RtpProxy::kRtpType] = "MP4V-ES";
     //此处选择是否导出调试文件
 //    mINI::Instance()[RtpProxy::kDumpDir] = "/Users/xzl/Desktop/";