support createStream and play, identity the play client

@@ -84,6 +84,11 @@ bool SrsAmf0Any::is_number()
 	return marker == RTMP_AMF0_Number;
 }
 
+bool SrsAmf0Any::is_null()
+{
+	return marker == RTMP_AMF0_Null;
+}
+
 bool SrsAmf0Any::is_object()
 {
 	return marker == RTMP_AMF0_Object;
@@ -131,6 +136,15 @@ SrsAmf0Number::~SrsAmf0Number()
 {
 }
 
+SrsAmf0Null::SrsAmf0Null()
+{
+	marker = RTMP_AMF0_Null;
+}
+
+SrsAmf0Null::~SrsAmf0Null()
+{
+}
+
 SrsAmf0ObjectEOF::SrsAmf0ObjectEOF()
 {
 	marker = RTMP_AMF0_ObjectEnd;
@@ -470,6 +484,45 @@ int srs_amf0_write_number(SrsStream* stream, double value)
 	return ret;
 }
 
+int srs_amf0_read_null(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read null marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_Null) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check null marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Null, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read null success");
+	
+	return ret;
+}
+int srs_amf0_write_null(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write null marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_1bytes(RTMP_AMF0_Null);
+	srs_verbose("amf0 write null marker success");
+	
+	return ret;
+}
+
 int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value)
 {
 	int ret = ERROR_SUCCESS;
@@ -515,6 +568,10 @@ int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value)
 			srs_amf0_convert<SrsAmf0Number>(value)->value = data;
 			return ret;
 		}
+		case RTMP_AMF0_Null: {
+			value = new SrsAmf0Null();
+			return ret;
+		}
 		case RTMP_AMF0_ObjectEnd: {
 			SrsAmf0ObjectEOF* p = NULL;
 			if ((ret = srs_amf0_read_object_eof(stream, p)) != ERROR_SUCCESS) {
@@ -568,6 +625,9 @@ int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value)
 			double data = srs_amf0_convert<SrsAmf0Number>(value)->value;
 			return srs_amf0_write_number(stream, data);
 		}
+		case RTMP_AMF0_Null: {
+			return srs_amf0_write_null(stream);
+		}
 		case RTMP_AMF0_ObjectEnd: {
 			SrsAmf0ObjectEOF* p = srs_amf0_convert<SrsAmf0ObjectEOF>(value);
 			return srs_amf0_write_object_eof(stream, p);
@@ -590,7 +650,6 @@ int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value)
 	
 	return ret;
 }
-
 int srs_amf0_get_any_size(SrsAmf0Any* value)
 {
 	if (!value) {
@@ -613,6 +672,10 @@ int srs_amf0_get_any_size(SrsAmf0Any* value)
 			size += srs_amf0_get_number_size();
 			break;
 		}
+		case RTMP_AMF0_Null: {
+			size += srs_amf0_get_null_size();
+			break;
+		}
 		case RTMP_AMF0_ObjectEnd: {
 			size += srs_amf0_get_object_eof_size();
 			break;
@@ -941,6 +1004,11 @@ int srs_amf0_get_number_size()
 	return 1 + 8;
 }
 
+int srs_amf0_get_null_size()
+{
+	return 1;
+}
+
 int srs_amf0_get_boolean_size()
 {
 	return 1 + 1;

@@ -54,6 +54,7 @@ struct SrsAmf0Any
 	virtual bool is_string();
 	virtual bool is_boolean();
 	virtual bool is_number();
+	virtual bool is_null();
 	virtual bool is_object();
 	virtual bool is_object_eof();
 	virtual bool is_ecma_array();
@@ -103,6 +104,17 @@ struct SrsAmf0Number : public SrsAmf0Any
 };
 
 /**
+* read amf0 null from stream.
+* 2.7 null Type
+* null-type = null-marker
+*/
+struct SrsAmf0Null : public SrsAmf0Any
+{
+	SrsAmf0Null();
+	virtual ~SrsAmf0Null();
+};
+
+/**
 * 2.11 Object End Type
 * object-end-type = UTF-8-empty object-end-marker
 * 0x00 0x00 0x09
@@ -188,6 +200,14 @@ extern int srs_amf0_read_number(SrsStream* stream, double& value);
 extern int srs_amf0_write_number(SrsStream* stream, double value);
 
 /**
+* read amf0 null from stream.
+* 2.7 null Type
+* null-type = null-marker
+*/
+extern int srs_amf0_read_null(SrsStream* stream);
+extern int srs_amf0_write_null(SrsStream* stream);
+
+/**
 * read amf0 object from stream.
 * 2.5 Object Type
 * anonymous-object-type = object-marker *(object-property)
@@ -212,6 +232,7 @@ extern int srs_amf0_write_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray* va
 extern int srs_amf0_get_utf8_size(std::string value);
 extern int srs_amf0_get_string_size(std::string value);
 extern int srs_amf0_get_number_size();
+extern int srs_amf0_get_null_size();
 extern int srs_amf0_get_boolean_size();
 extern int srs_amf0_get_object_size(SrsAmf0Object* obj);
 extern int srs_amf0_get_ecma_array_size(SrsASrsAmf0EcmaArray* arr);

@@ -29,6 +29,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_core_log.hpp>
 #include <srs_core_rtmp.hpp>
 
+// default stream id for response the createStream request.
+#define SRS_DEFAULT_SID 1
+
 SrsClient::SrsClient(SrsServer* srs_server, st_netfd_t client_stfd)
 	: SrsConnection(srs_server, client_stfd)
 {
@@ -98,6 +101,20 @@ int SrsClient::do_cycle()
 		return ret;
 	}
 	srs_verbose("response connect app success");
+		
+	if ((ret = rtmp->on_bw_done()) != ERROR_SUCCESS) {
+		srs_error("on_bw_done failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("on_bw_done success");
+	
+	SrsClientType type;
+	std::string stream_name;
+	if ((ret = rtmp->identify_client(SRS_DEFAULT_SID, type, stream_name)) != ERROR_SUCCESS) {
+		srs_error("identify client failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("identify client success. type=%d", type);
 	
 	return ret;
 }

@@ -202,9 +202,13 @@ messages.
 *****************************************************************************
 ****************************************************************************/
 /**
-* amf0 command message, command name: "connect"
+* amf0 command message, command name macros
 */
 #define RTMP_AMF0_COMMAND_CONNECT			"connect"
+#define RTMP_AMF0_COMMAND_CREATE_STREAM		"createStream"
+#define RTMP_AMF0_COMMAND_PLAY				"play"
+#define RTMP_AMF0_COMMAND_ON_BW_DONE		"onBWDone"
+#define RTMP_AMF0_COMMAND_RESULT			"_result"
 
 /****************************************************************************
 *****************************************************************************
@@ -585,11 +589,12 @@ int SrsProtocol::read_message_header(SrsChunkStream* chunk, char fmt, int bh_siz
 	int ret = ERROR_SUCCESS;
 	
 	// when not exists cached msg, means get an new message,
-	// the fmt must be type0 which means new message.
-	if (!chunk->msg && fmt != RTMP_FMT_TYPE0) {
+	// the fmt must be type0/type1 which means new message.
+	if (!chunk->msg && fmt != RTMP_FMT_TYPE0 && fmt != RTMP_FMT_TYPE1) {
 		ret = ERROR_RTMP_CHUNK_START;
 		srs_error("chunk stream start, "
-			"fmt must be %d, actual is %d. ret=%d", RTMP_FMT_TYPE0, fmt, ret);
+			"fmt must be %d or %d, actual is %d. ret=%d", 
+			RTMP_FMT_TYPE0, RTMP_FMT_TYPE1, fmt, ret);
 		return ret;
 	}
 
@@ -604,7 +609,7 @@ int SrsProtocol::read_message_header(SrsChunkStream* chunk, char fmt, int bh_siz
 	
 	// create msg when new chunk stream start
 	if (!chunk->msg) {
-		srs_assert(fmt == RTMP_FMT_TYPE0);
+		srs_assert(fmt == RTMP_FMT_TYPE0 || fmt == RTMP_FMT_TYPE1);
 		chunk->msg = new SrsMessage();
 		srs_verbose("create message for new chunk, fmt=%d, cid=%d", fmt, chunk->cid);
 	}
@@ -802,6 +807,21 @@ SrsMessageHeader::~SrsMessageHeader()
 {
 }
 
+bool SrsMessageHeader::is_amf0_command()
+{
+	return message_type == RTMP_MSG_AMF0CommandMessage;
+}
+
+bool SrsMessageHeader::is_amf3_command()
+{
+	return message_type == RTMP_MSG_AMF3CommandMessage;
+}
+
+bool SrsMessageHeader::is_window_ackledgement_size()
+{
+	return message_type == RTMP_MSG_WindowAcknowledgementSize;
+}
+
 SrsChunkStream::SrsChunkStream(int _cid)
 {
 	fmt = 0;
@@ -870,30 +890,50 @@ int SrsMessage::decode_packet()
 	srs_verbose("decode stream initialized success");
 	
 	// decode specified packet type
-	if (header.message_type == RTMP_MSG_AMF0CommandMessage) {
-		srs_verbose("start to decode AMF0 command message.");
+	if (header.is_amf0_command() || header.is_amf3_command()) {
+		srs_verbose("start to decode AMF0/AMF3 command message.");
+		
+		// skip 1bytes to decode the amf3 command.
+		if (header.is_amf3_command() && stream->require(1)) {
+			srs_verbose("skip 1bytes to decode AMF3 command");
+			stream->skip(1);
+		}
 		
 		// amf0 command message.
 		// need to read the command name.
 		std::string command;
 		if ((ret = srs_amf0_read_string(stream, command)) != ERROR_SUCCESS) {
-			srs_error("decode AMF0 command name failed. ret=%d", ret);
+			srs_error("decode AMF0/AMF3 command name failed. ret=%d", ret);
 			return ret;
 		}
-		srs_verbose("AMF0 command message, command_name=%s", command.c_str());
+		srs_verbose("AMF0/AMF3 command message, command_name=%s", command.c_str());
 		
+		// reset to zero(amf3 to 1) to restart decode.
 		stream->reset();
+		if (header.is_amf3_command()) {
+			stream->skip(1);
+		}
+		
+		// decode command object.
 		if (command == RTMP_AMF0_COMMAND_CONNECT) {
-			srs_info("decode the AMF0 command(connect vhost/app message).");
+			srs_info("decode the AMF0/AMF3 command(connect vhost/app message).");
 			packet = new SrsConnectAppPacket();
 			return packet->decode(stream);
+		} else if(command == RTMP_AMF0_COMMAND_CREATE_STREAM) {
+			srs_info("decode the AMF0/AMF3 command(createStream message).");
+			packet = new SrsCreateStreamPacket();
+			return packet->decode(stream);
+		} else if(command == RTMP_AMF0_COMMAND_PLAY) {
+			srs_info("decode the AMF0/AMF3 command(paly message).");
+			packet = new SrsPlayPacket();
+			return packet->decode(stream);
 		}
 		
 		// default packet to drop message.
-		srs_trace("drop the AMF0 command message, command_name=%s", command.c_str());
+		srs_trace("drop the AMF0/AMF3 command message, command_name=%s", command.c_str());
 		packet = new SrsPacket();
 		return ret;
-	} else if(header.message_type == RTMP_MSG_WindowAcknowledgementSize) {
+	} else if(header.is_window_ackledgement_size()) {
 		srs_verbose("start to decode set ack window size message.");
 		packet = new SrsSetWindowAckSizePacket();
 		return packet->decode(stream);
@@ -1106,7 +1146,7 @@ int SrsConnectAppPacket::decode(SrsStream* stream)
 
 SrsConnectAppResPacket::SrsConnectAppResPacket()
 {
-	command_name = RTMP_AMF0_COMMAND_CONNECT;
+	command_name = RTMP_AMF0_COMMAND_RESULT;
 	transaction_id = 1;
 	props = new SrsAmf0Object();
 	info = new SrsAmf0Object();
@@ -1175,6 +1215,313 @@ int SrsConnectAppResPacket::encode_packet(SrsStream* stream)
 	return ret;
 }
 
+SrsCreateStreamPacket::SrsCreateStreamPacket()
+{
+	command_name = RTMP_AMF0_COMMAND_CREATE_STREAM;
+	transaction_id = 2;
+	command_object = new SrsAmf0Null();
+}
+
+SrsCreateStreamPacket::~SrsCreateStreamPacket()
+{
+	if (command_object) {
+		delete command_object;
+		command_object = NULL;
+	}
+}
+
+int SrsCreateStreamPacket::decode(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+
+	if ((ret = srs_amf0_read_string(stream, command_name)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode createStream command_name failed. ret=%d", ret);
+		return ret;
+	}
+	if (command_name.empty() || command_name != RTMP_AMF0_COMMAND_CREATE_STREAM) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 decode createStream command_name failed. "
+			"command_name=%s, ret=%d", command_name.c_str(), ret);
+		return ret;
+	}
+	
+	if ((ret = srs_amf0_read_number(stream, transaction_id)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode createStream transaction_id failed. ret=%d", ret);
+		return ret;
+	}
+	
+	if ((ret = srs_amf0_read_null(stream)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode createStream command_object failed. ret=%d", ret);
+		return ret;
+	}
+	
+	srs_info("amf0 decode createStream packet success");
+	
+	return ret;
+}
+
+SrsCreateStreamResPacket::SrsCreateStreamResPacket(double _transaction_id, double _stream_id)
+{
+	command_name = RTMP_AMF0_COMMAND_RESULT;
+	transaction_id = _transaction_id;
+	command_object = new SrsAmf0Null();
+	stream_id = _stream_id;
+}
+
+SrsCreateStreamResPacket::~SrsCreateStreamResPacket()
+{
+	if (command_object) {
+		delete command_object;
+		command_object = NULL;
+	}
+}
+
+int SrsCreateStreamResPacket::get_perfer_cid()
+{
+	return RTMP_CID_OverConnection;
+}
+
+int SrsCreateStreamResPacket::get_message_type()
+{
+	return RTMP_MSG_AMF0CommandMessage;
+}
+
+int SrsCreateStreamResPacket::get_size()
+{
+	return srs_amf0_get_string_size(command_name) + srs_amf0_get_number_size()
+		+ srs_amf0_get_null_size() + srs_amf0_get_number_size();
+}
+
+int SrsCreateStreamResPacket::encode_packet(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = srs_amf0_write_string(stream, command_name)) != ERROR_SUCCESS) {
+		srs_error("encode command_name failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode command_name success.");
+	
+	if ((ret = srs_amf0_write_number(stream, transaction_id)) != ERROR_SUCCESS) {
+		srs_error("encode transaction_id failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode transaction_id success.");
+	
+	if ((ret = srs_amf0_write_null(stream)) != ERROR_SUCCESS) {
+		srs_error("encode command_object failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode command_object success.");
+	
+	if ((ret = srs_amf0_write_number(stream, stream_id)) != ERROR_SUCCESS) {
+		srs_error("encode stream_id failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode stream_id success.");
+	
+	
+	srs_info("encode createStream response packet success.");
+	
+	return ret;
+}
+
+SrsPlayPacket::SrsPlayPacket()
+{
+	command_name = RTMP_AMF0_COMMAND_PLAY;
+	transaction_id = 0;
+	command_object = new SrsAmf0Null();
+
+	start = -2;
+	duration = -1;
+	reset = true;
+}
+
+SrsPlayPacket::~SrsPlayPacket()
+{
+	if (command_object) {
+		delete command_object;
+		command_object = NULL;
+	}
+}
+
+int SrsPlayPacket::decode(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+
+	if ((ret = srs_amf0_read_string(stream, command_name)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode play command_name failed. ret=%d", ret);
+		return ret;
+	}
+	if (command_name.empty() || command_name != RTMP_AMF0_COMMAND_PLAY) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 decode play command_name failed. "
+			"command_name=%s, ret=%d", command_name.c_str(), ret);
+		return ret;
+	}
+	
+	if ((ret = srs_amf0_read_number(stream, transaction_id)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode play transaction_id failed. ret=%d", ret);
+		return ret;
+	}
+	
+	if ((ret = srs_amf0_read_null(stream)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode play command_object failed. ret=%d", ret);
+		return ret;
+	}
+	
+	if ((ret = srs_amf0_read_string(stream, stream_name)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode play stream_name failed. ret=%d", ret);
+		return ret;
+	}
+	
+	if (!stream->empty() && (ret = srs_amf0_read_number(stream, start)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode play start failed. ret=%d", ret);
+		return ret;
+	}
+	if (!stream->empty() && (ret = srs_amf0_read_number(stream, duration)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode play duration failed. ret=%d", ret);
+		return ret;
+	}
+	if (!stream->empty() && (ret = srs_amf0_read_boolean(stream, reset)) != ERROR_SUCCESS) {
+		srs_error("amf0 decode play reset failed. ret=%d", ret);
+		return ret;
+	}
+	
+	srs_info("amf0 decode play packet success");
+	
+	return ret;
+}
+
+SrsPlayResPacket::SrsPlayResPacket()
+{
+	command_name = RTMP_AMF0_COMMAND_RESULT;
+	transaction_id = 0;
+	command_object = new SrsAmf0Null();
+	desc = new SrsAmf0Object();
+}
+
+SrsPlayResPacket::~SrsPlayResPacket()
+{
+	if (command_object) {
+		delete command_object;
+		command_object = NULL;
+	}
+	
+	if (desc) {
+		delete desc;
+		desc = NULL;
+	}
+}
+
+int SrsPlayResPacket::get_perfer_cid()
+{
+	return RTMP_CID_OverStream;
+}
+
+int SrsPlayResPacket::get_message_type()
+{
+	return RTMP_MSG_AMF0CommandMessage;
+}
+
+int SrsPlayResPacket::get_size()
+{
+	return srs_amf0_get_string_size(command_name) + srs_amf0_get_number_size()
+		+ srs_amf0_get_null_size() + srs_amf0_get_object_size(desc);
+}
+
+int SrsPlayResPacket::encode_packet(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = srs_amf0_write_string(stream, command_name)) != ERROR_SUCCESS) {
+		srs_error("encode command_name failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode command_name success.");
+	
+	if ((ret = srs_amf0_write_number(stream, transaction_id)) != ERROR_SUCCESS) {
+		srs_error("encode transaction_id failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode transaction_id success.");
+	
+	if ((ret = srs_amf0_write_null(stream)) != ERROR_SUCCESS) {
+		srs_error("encode command_object failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode command_object success.");
+	
+	if ((ret = srs_amf0_write_object(stream, desc)) != ERROR_SUCCESS) {
+		srs_error("encode desc failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode desc success.");
+	
+	
+	srs_info("encode play response packet success.");
+	
+	return ret;
+}
+
+SrsOnBWDonePacket::SrsOnBWDonePacket()
+{
+	command_name = RTMP_AMF0_COMMAND_ON_BW_DONE;
+	transaction_id = 0;
+	args = new SrsAmf0Null();
+}
+
+SrsOnBWDonePacket::~SrsOnBWDonePacket()
+{
+	if (args) {
+		delete args;
+		args = NULL;
+	}
+}
+
+int SrsOnBWDonePacket::get_perfer_cid()
+{
+	return RTMP_CID_OverConnection;
+}
+
+int SrsOnBWDonePacket::get_message_type()
+{
+	return RTMP_MSG_AMF0CommandMessage;
+}
+
+int SrsOnBWDonePacket::get_size()
+{
+	return srs_amf0_get_string_size(command_name) + srs_amf0_get_number_size()
+		+ srs_amf0_get_null_size();
+}
+
+int SrsOnBWDonePacket::encode_packet(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = srs_amf0_write_string(stream, command_name)) != ERROR_SUCCESS) {
+		srs_error("encode command_name failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode command_name success.");
+	
+	if ((ret = srs_amf0_write_number(stream, transaction_id)) != ERROR_SUCCESS) {
+		srs_error("encode transaction_id failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode transaction_id success.");
+	
+	if ((ret = srs_amf0_write_null(stream)) != ERROR_SUCCESS) {
+		srs_error("encode args failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("encode args success.");
+	
+	srs_info("encode onBWDone packet success.");
+	
+	return ret;
+}
+
 SrsSetWindowAckSizePacket::SrsSetWindowAckSizePacket()
 {
 	ackowledgement_window_size = 0;

@@ -45,6 +45,7 @@ class SrsStream;
 class SrsMessage;
 class SrsChunkStream;
 class SrsAmf0Object;
+class SrsAmf0Null;
 
 // convert class name to string.
 #define CLASS_NAME_STRING(className) #className
@@ -166,6 +167,10 @@ struct SrsMessageHeader
 	
 	SrsMessageHeader();
 	virtual ~SrsMessageHeader();
+
+	bool is_amf0_command();
+	bool is_amf3_command();
+	bool is_window_ackledgement_size();
 };
 
 /**
@@ -358,6 +363,146 @@ protected:
 };
 
 /**
+* 4.1.3. createStream
+* The client sends this command to the server to create a logical
+* channel for message communication The publishing of audio, video, and
+* metadata is carried out over stream channel created using the
+* createStream command.
+*/
+class SrsCreateStreamPacket : public SrsPacket
+{
+private:
+	typedef SrsPacket super;
+protected:
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsCreateStreamPacket);
+	}
+public:
+	std::string command_name;
+	double transaction_id;
+	SrsAmf0Null* command_object;
+public:
+	SrsCreateStreamPacket();
+	virtual ~SrsCreateStreamPacket();
+public:
+	virtual int decode(SrsStream* stream);
+};
+/**
+* response for SrsCreateStreamPacket.
+*/
+class SrsCreateStreamResPacket : public SrsPacket
+{
+private:
+	typedef SrsPacket super;
+protected:
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsCreateStreamResPacket);
+	}
+public:
+	std::string command_name;
+	double transaction_id;
+	SrsAmf0Null* command_object;
+	double stream_id;
+public:
+	SrsCreateStreamResPacket(double _transaction_id, double _stream_id);
+	virtual ~SrsCreateStreamResPacket();
+public:
+	virtual int get_perfer_cid();
+public:
+	virtual int get_message_type();
+protected:
+	virtual int get_size();
+	virtual int encode_packet(SrsStream* stream);
+};
+
+/**
+* 4.2.1. play
+* The client sends this command to the server to play a stream.
+*/
+class SrsPlayPacket : public SrsPacket
+{
+private:
+	typedef SrsPacket super;
+protected:
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsPlayPacket);
+	}
+public:
+	std::string command_name;
+	double transaction_id;
+	SrsAmf0Null* command_object;
+	std::string stream_name;
+	double start;
+	double duration;
+	bool reset;
+public:
+	SrsPlayPacket();
+	virtual ~SrsPlayPacket();
+public:
+	virtual int decode(SrsStream* stream);
+};
+/**
+* response for SrsPlayPacket.
+* @remark, user must set the stream_id in header.
+*/
+class SrsPlayResPacket : public SrsPacket
+{
+private:
+	typedef SrsPacket super;
+protected:
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsPlayResPacket);
+	}
+public:
+	std::string command_name;
+	double transaction_id;
+	SrsAmf0Null* command_object;
+	SrsAmf0Object* desc;
+public:
+	SrsPlayResPacket();
+	virtual ~SrsPlayResPacket();
+public:
+	virtual int get_perfer_cid();
+public:
+	virtual int get_message_type();
+protected:
+	virtual int get_size();
+	virtual int encode_packet(SrsStream* stream);
+};
+
+/**
+* when bandwidth test done, notice client.
+*/
+class SrsOnBWDonePacket : public SrsPacket
+{
+private:
+	typedef SrsPacket super;
+protected:
+	virtual const char* get_class_name()
+	{
+		return CLASS_NAME_STRING(SrsOnBWDonePacket);
+	}
+public:
+	std::string command_name;
+	double transaction_id;
+	SrsAmf0Null* args;
+public:
+	SrsOnBWDonePacket();
+	virtual ~SrsOnBWDonePacket();
+public:
+	virtual int get_perfer_cid();
+public:
+	virtual int get_message_type();
+protected:
+	virtual int get_size();
+	virtual int encode_packet(SrsStream* stream);
+};
+
+/**
 * 5.5. Window Acknowledgement Size (5)
 * The client or the server sends this message to inform the peer which
 * window size to use when sending acknowledgment.

@@ -221,8 +221,6 @@ int SrsRtmp::response_connect_app()
 	SrsMessage* msg = new SrsMessage();
 	SrsConnectAppResPacket* pkt = new SrsConnectAppResPacket();
 	
-	pkt->command_name = "_result";
-	
 	pkt->props->properties["fmsVer"] = new SrsAmf0String("FMS/"RTMP_SIG_FMS_VER);
 	pkt->props->properties["capabilities"] = new SrsAmf0Number(123);
 	pkt->props->properties["mode"] = new SrsAmf0Number(1);
@@ -250,3 +248,110 @@ int SrsRtmp::response_connect_app()
 	return ret;
 }
 
+int SrsRtmp::on_bw_done()
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsMessage* msg = new SrsMessage();
+	SrsOnBWDonePacket* pkt = new SrsOnBWDonePacket();
+	
+	msg->set_packet(pkt);
+	
+	if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+		srs_error("send onBWDone message failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("send onBWDone message success.");
+	
+	return ret;
+}
+
+int SrsRtmp::identify_client(int stream_id, SrsClientType& type, std::string& stream_name)
+{
+	type = SrsClientUnknown;
+	int ret = ERROR_SUCCESS;
+	
+	while (true) {
+		SrsMessage* msg = NULL;
+		if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
+			srs_error("recv identify client message failed. ret=%d", ret);
+			return ret;
+		}
+
+		SrsAutoFree(SrsMessage, msg, false);
+
+		if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
+			srs_trace("identify ignore messages except "
+				"AMF0/AMF3 command message. type=%#x", msg->header.message_type);
+			continue;
+		}
+		
+		if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
+			srs_error("identify decode message failed. ret=%d", ret);
+			return ret;
+		}
+		
+		SrsPacket* pkt = msg->get_packet();
+		if (dynamic_cast<SrsCreateStreamPacket*>(pkt)) {
+			return identify_create_stream_client(
+				dynamic_cast<SrsCreateStreamPacket*>(pkt), stream_id, type, stream_name);
+		}
+		
+		srs_trace("ignore AMF0/AMF3 command message.");
+	}
+	
+	return ret;
+}
+
+int SrsRtmp::identify_create_stream_client(SrsCreateStreamPacket* req, int stream_id, SrsClientType& type, std::string& stream_name)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (true) {
+		SrsMessage* msg = new SrsMessage();
+		SrsCreateStreamResPacket* pkt = new SrsCreateStreamResPacket(req->transaction_id, stream_id);
+		
+		msg->set_packet(pkt);
+		
+		if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+			srs_error("send createStream response message failed. ret=%d", ret);
+			return ret;
+		}
+		srs_info("send createStream response message success.");
+	}
+	
+	while (true) {
+		SrsMessage* msg = NULL;
+		if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
+			srs_error("recv identify client message failed. ret=%d", ret);
+			return ret;
+		}
+
+		SrsAutoFree(SrsMessage, msg, false);
+
+		if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
+			srs_trace("identify ignore messages except "
+				"AMF0/AMF3 command message. type=%#x", msg->header.message_type);
+			continue;
+		}
+		
+		if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
+			srs_error("identify decode message failed. ret=%d", ret);
+			return ret;
+		}
+		
+		SrsPacket* pkt = msg->get_packet();
+		if (dynamic_cast<SrsPlayPacket*>(pkt)) {
+			SrsPlayPacket* play = dynamic_cast<SrsPlayPacket*>(pkt);
+			type = SrsClientPublish;
+			stream_name = play->stream_name;
+			srs_trace("identity client type=play, stream_name=%s", stream_name.c_str());
+			return ret;
+		}
+		
+		srs_trace("ignore AMF0/AMF3 command message.");
+	}
+	
+	return ret;
+}
+

@@ -35,6 +35,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <st.h>
 
 class SrsProtocol;
+class SrsCreateStreamPacket;
 
 /**
 * the original request from client.
@@ -58,6 +59,16 @@ struct SrsRequest
 };
 
 /**
+* the rtmp client type.
+*/
+enum SrsClientType
+{
+	SrsClientUnknown,
+	SrsClientPlay,
+	SrsClientPublish,
+};
+
+/**
 * the rtmp provices rtmp-command-protocol services,
 * a high level protocol, media stream oriented services,
 * such as connect to vhost/app, play stream, get audio/video data.
@@ -80,6 +91,16 @@ public:
 	*/
 	virtual int set_peer_bandwidth(int bandwidth, int type);
 	virtual int response_connect_app();
+	virtual int on_bw_done();
+	/**
+	* recv some message to identify the client.
+	* @stream_id, client will createStream to play or publish by flash, 
+	* 		the stream_id used to response the createStream request.
+	* @type, output the client type.
+	*/
+	virtual int identify_client(int stream_id, SrsClientType& type, std::string& stream_name);
+private:
+	virtual int identify_create_stream_client(SrsCreateStreamPacket* req, int stream_id, SrsClientType& type, std::string& stream_name);
 };
 
 #endif
\ No newline at end of file