优化rtp推流相关代码

media-server @ 1603194d

-Subproject commit 8d40dad3dbdce171756691d4511aca49fcf2a231
+Subproject commit 1603194dafdcecda9036e5741ec8d3e8c9ab1e01

src/Common/MediaSink.cpp

@@ -137,6 +137,7 @@ void MediaSink::emitAllTrackReady() {
         //移除未准备好的Track
         for (auto it = _track_map.begin(); it != _track_map.end();) {
             if (!it->second->ready()) {
+                WarnL << "该track长时间未被初始化,已忽略:" << it->second->getCodecName();
                 it = _track_map.erase(it);
                 continue;
             }

src/Extension/Factory.cpp

@@ -155,7 +155,7 @@ RtpCodec::Ptr Factory::getRtpDecoderByTrack(const Track::Ptr &track) {
         case CodecAAC:
             return std::make_shared<AACRtpDecoder>(track->clone());
         default:
-            WarnL << "暂不支持该CodecId:" << track->getCodecId();
+            WarnL << "暂不支持该CodecId:" << track->getCodecName();
             return nullptr;
     }
 }
@@ -212,7 +212,7 @@ RtmpCodec::Ptr Factory::getRtmpCodecByTrack(const Track::Ptr &track) {
         case CodecAAC:
             return std::make_shared<AACRtmpEncoder>(track);
         default:
-            WarnL << "暂不支持该CodecId:" << track->getCodecId();
+            WarnL << "暂不支持该CodecId:" << track->getCodecName();
             return nullptr;
     }
 }

src/Extension/Frame.cpp

@@ -38,5 +38,16 @@ Frame::Ptr Frame::getCacheAbleFrame(const Frame::Ptr &frame){
     return std::make_shared<FrameCacheAble>(frame);
 }
 
+#define SWITCH_CASE(codec_id) case codec_id : return #codec_id
+char *CodecInfo::getCodecName() {
+    switch (getCodecId()) {
+        SWITCH_CASE(CodecH264);
+        SWITCH_CASE(CodecH265);
+        SWITCH_CASE(CodecAAC);
+        default:
+            return "unknown codec";
+    }
+}
+
 }//namespace mediakit
 

src/Extension/Frame.h

@@ -72,6 +72,12 @@ public:
      * 获取编解码器类型
      */
     virtual CodecId getCodecId() const = 0;
+
+    /**
+     * 获取编码器名称
+     * @return 编码器名称
+     */
+    char *getCodecName();
 };
 
 /**

src/Record/MP4Muxer.cpp

@@ -258,7 +258,7 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
         }
             break;
         default:
-            WarnL << "MP4录制不支持该编码格式:" << track->getCodecId();
+            WarnL << "MP4录制不支持该编码格式:" << track->getCodecName();
             break;
     }
 }

src/Rtp/RtpDecoder.cpp

@@ -25,7 +25,6 @@
  */
 
 #if defined(ENABLE_RTPPROXY)
-#include <assert.h>
 #include "Util/logger.h"
 #include "RtpDecoder.h"
 #include "rtp-payload.h"
@@ -44,13 +43,7 @@ RtpDecoder::~RtpDecoder() {
     }
 }
 
-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;
-    }
-
+void RtpDecoder::decodeRtp(const void *data, int bytes) {
     if(!_rtp_decoder){
         static rtp_payload_t s_func= {
                 [](void* param, int bytes){
@@ -69,11 +62,9 @@ void RtpDecoder::decodeRtp(const void *data, int bytes,const string &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.data(), &s_func, this);
+        _rtp_decoder = rtp_payload_decode_create(rtp_type, "MP4V-ES", &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;
         }
     }
 

src/Rtp/RtpDecoder.h

@@ -38,12 +38,11 @@ public:
     RtpDecoder();
     virtual ~RtpDecoder();
 protected:
-    void decodeRtp(const void *data, int bytes,const string &type_name);
+    void decodeRtp(const void *data, int bytes);
     virtual void onRtpDecode(const uint8_t *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

@@ -33,8 +33,6 @@
 
 namespace mediakit{
 
-static const vector<string> kRtpTypes = {"MP2P","MP4V-ES"};
-
 /**
 * 合并一些时间戳相同的frame
 */
@@ -85,7 +83,6 @@ RtpProcess::RtpProcess(uint32_t ssrc) {
     _track->_samplerate = 90000;
     _track->_type = TrackVideo;
     _track->_ssrc = _ssrc;
-    getNextRtpType();
     DebugL << printSSRC(_ssrc);
 
     GET_CONFIG(bool,toRtxp,General::kPublishToRtxp);
@@ -155,12 +152,9 @@ 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;
-    }
+//判断是否为ts负载
+static inline bool checkTS(const uint8_t *packet, int bytes){
+    return bytes % 188 == 0 && packet[0] == 0x47;
 }
 
 void RtpProcess::onRtpSorted(const RtpPacket::Ptr &rtp, int) {
@@ -168,25 +162,23 @@ void RtpProcess::onRtpSorted(const RtpPacket::Ptr &rtp, int) {
         WarnL << rtp->sequence << " != " << _sequence << "+1";
     }
     _sequence = rtp->sequence;
-
     if(_save_file_rtp){
         uint16_t  size = rtp->size() - 4;
         size = htons(size);
         fwrite((uint8_t *) &size, 2, 1, _save_file_rtp.get());
         fwrite((uint8_t *) rtp->data() + 4, rtp->size() - 4, 1, _save_file_rtp.get());
     }
-
-    decodeRtp(rtp->data() + 4 ,rtp->size() - 4,_rtp_type);
+    decodeRtp(rtp->data() + 4 ,rtp->size() - 4);
 }
 
-void RtpProcess::onRtpDecode(const uint8_t *packet, int bytes, uint32_t, int flags) {
+void RtpProcess::onRtpDecode(const uint8_t *packet, int bytes, uint32_t timestamp, int flags) {
     if(_save_file_ps){
         fwrite((uint8_t *)packet,bytes, 1, _save_file_ps.get());
     }
 
     if(!_decoder){
         //创建解码器
-        if(bytes % 188 == 0 && packet[0] == 0x47){
+        if(checkTS(packet, bytes)){
             //猜测是ts负载
             _decoder = Decoder::createDecoder(Decoder::decoder_ts);
         }else{
@@ -201,12 +193,6 @@ void RtpProcess::onRtpDecode(const uint8_t *packet, int bytes, uint32_t, int fla
     auto ret = _decoder->input((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;
     }
 }
 

src/Rtp/RtpProcess.h

@@ -49,7 +49,6 @@ public:
     bool alive();
     string get_peer_ip();
     uint16_t get_peer_port();
-
     int totalReaderCount();
     void setListener(const std::weak_ptr<MediaSourceEvent> &listener);
 protected:
@@ -73,9 +72,6 @@ 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;
     Decoder::Ptr _decoder;
 };