ps rtp推流支持4个字节的头

src/Rtp/RtpSplitter.cpp

@@ -12,13 +12,20 @@
 #include "RtpSplitter.h"
 namespace mediakit{
 
-RtpSplitter::RtpSplitter() {
+RtpSplitter::RtpSplitter() {}
-}
 
-RtpSplitter::~RtpSplitter() {
+RtpSplitter::~RtpSplitter() {}
-}
 
 const char *RtpSplitter::onSearchPacketTail(const char *data, int len) {
+    if (data[0] == '$') {
+        //可能是4个字节的rtp头
+        return onSearchPacketTail_l(data + 2, len - 2);
+    }
+    //两个字节的rtp头
+    return onSearchPacketTail_l(data, len);
+}
+
+const char *RtpSplitter::onSearchPacketTail_l(const char *data, int len) {
     //这是rtp包
     if (len < 2) {
         //数据不够

src/Rtp/RtpSplitter.h

@@ -20,15 +20,16 @@ class RtpSplitter : public HttpRequestSplitter{
 public:
     RtpSplitter();
     virtual ~RtpSplitter();
+
 protected:
     /**
      * 收到rtp包回调
-     * @param data
-     * @param len
      */
     virtual void onRtpPacket(const char *data,uint64_t len) = 0;
+
 protected:
     const char *onSearchPacketTail(const char *data,int len) override ;
+    const char *onSearchPacketTail_l(const char *data,int len);
     int64_t onRecvHeader(const char *data,uint64_t len) override;
 };