SrsPacket supports converting to message, so can be sent by one API.

trunk/src/kernel/srs_kernel_buffer.hpp

@@ -95,6 +95,8 @@ private:
     int nb_bytes;
 public:
     SrsBuffer();
+    // Initialize buffer with data b and size nb_b.
+    // @remark User must free the data b.
     SrsBuffer(char* b, int nb_b);
     virtual ~SrsBuffer();
 // get the status of stream

trunk/src/kernel/srs_kernel_flv.hpp

@@ -37,6 +37,7 @@ class SrsBuffer;
 class ISrsWriter;
 class ISrsReader;
 class SrsFileReader;
+class SrsPacket;
 
 #define SRS_FLV_TAG_HEADER_SIZE 11
 #define SRS_FLV_PREVIOUS_TAG_SIZE 4
@@ -231,8 +232,9 @@ public:
 
 // The message header for shared ptr message.
 // only the message for all msgs are same.
-struct SrsSharedMessageHeader
+class SrsSharedMessageHeader
 {
+public:
     // 3bytes.
     // Three-byte field that represents the size of the payload in bytes.
     // It is set in big-endian format.
@@ -245,7 +247,7 @@ struct SrsSharedMessageHeader
     // set at decoding, and canbe used for directly send message,
     // For example, dispatch to all connections.
     int perfer_cid;
-    
+public:
     SrsSharedMessageHeader();
     virtual ~SrsSharedMessageHeader();
 };
@@ -309,6 +311,7 @@ public:
     // copy header, manage the payload of msg,
     // set the payload to NULL to prevent double free.
     // @remark payload of msg set to NULL if success.
+    // @remark User should free the msg.
     virtual srs_error_t create(SrsCommonMessage* msg);
     // Create shared ptr message,
     // from the header and payload.

trunk/src/kernel/srs_kernel_stream.cpp

@@ -64,9 +64,9 @@ void SrsSimpleStream::erase(int size)
 
 void SrsSimpleStream::append(const char* bytes, int size)
 {
-    srs_assert(size > 0);
-    
-    data.insert(data.end(), bytes, bytes + size);
+    if (size > 0) {
+        data.insert(data.end(), bytes, bytes + size);
+    }
 }
 
 void SrsSimpleStream::append(SrsSimpleStream* src)