convert format to unix

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core.hpp>
-
-#include <sys/time.h>
-
-static int64_t _srs_system_time_us_cache = 0;
-
-int64_t srs_get_system_time_ms()
-{
-	return _srs_system_time_us_cache / 1000;
-}
-
-void srs_update_system_time_ms()
-{
-    timeval now;
-    
-    gettimeofday(&now, NULL);
-
-    // we must convert the tv_sec/tv_usec to int64_t.
-    _srs_system_time_us_cache = now.tv_sec * 1000 * 1000 + now.tv_usec;
-    
-    _srs_system_time_us_cache = srs_max(0, _srs_system_time_us_cache);
-}
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core.hpp>
+
+#include <sys/time.h>
+
+static int64_t _srs_system_time_us_cache = 0;
+
+int64_t srs_get_system_time_ms()
+{
+	return _srs_system_time_us_cache / 1000;
+}
+
+void srs_update_system_time_ms()
+{
+    timeval now;
+    
+    gettimeofday(&now, NULL);
+
+    // we must convert the tv_sec/tv_usec to int64_t.
+    _srs_system_time_us_cache = now.tv_sec * 1000 * 1000 + now.tv_usec;
+    
+    _srs_system_time_us_cache = srs_max(0, _srs_system_time_us_cache);
+}

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#ifndef SRS_CORE_HPP
-#define SRS_CORE_HPP
-
-/*
-#include <srs_core.hpp>
-*/
-
-/**
-* the core provides the common defined macros, utilities,
-* user must include the srs_core.hpp before any header, or maybe 
-* build failed.
-*/
-
-// for int64_t print using PRId64 format.
-#ifndef __STDC_FORMAT_MACROS
-    #define __STDC_FORMAT_MACROS
-#endif
-#include <inttypes.h>
-
-#include <assert.h>
-#define srs_assert(expression) assert(expression)
-
-#include <stddef.h>
-#include <sys/types.h>
-
-// free the p and set to NULL.
-// p must be a T*.
-#define srs_freep(p) \
-	if (p) { \
-		delete p; \
-		p = NULL; \
-	} \
-	(void)0
-// free the p which represents a array
-#define srs_freepa(p) \
-	if (p) { \
-		delete[] p; \
-		p = NULL; \
-	} \
-	(void)0
-
-// current release version
-#define RTMP_SIG_SRS_VERSION "0.4.0"
-// server info.
-#define RTMP_SIG_SRS_KEY "srs"
-#define RTMP_SIG_SRS_ROLE "origin server"
-#define RTMP_SIG_SRS_NAME RTMP_SIG_SRS_KEY"(simple rtmp server)"
-#define RTMP_SIG_SRS_URL "https://"RTMP_SIG_SRS_URL_SHORT
-#define RTMP_SIG_SRS_URL_SHORT "github.com/winlinvip/simple-rtmp-server"
-#define RTMP_SIG_SRS_WEB "http://blog.csdn.net/win_lin"
-#define RTMP_SIG_SRS_EMAIL "winterserver@126.com"
-#define RTMP_SIG_SRS_LICENSE "The MIT License (MIT)"
-#define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013 winlin"
-
-// compare
-#define srs_min(a, b) (((a) < (b))? (a) : (b))
-#define srs_max(a, b) (((a) < (b))? (b) : (a))
-
-// get current system time in ms, use cache to avoid performance problem
-extern int64_t srs_get_system_time_ms();
-// the deamon st-thread will update it.
-extern void srs_update_system_time_ms();
-
-// signal defines.
-#define SIGNAL_RELOAD SIGHUP
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_HPP
+#define SRS_CORE_HPP
+
+/*
+#include <srs_core.hpp>
+*/
+
+/**
+* the core provides the common defined macros, utilities,
+* user must include the srs_core.hpp before any header, or maybe 
+* build failed.
+*/
+
+// for int64_t print using PRId64 format.
+#ifndef __STDC_FORMAT_MACROS
+    #define __STDC_FORMAT_MACROS
+#endif
+#include <inttypes.h>
+
+#include <assert.h>
+#define srs_assert(expression) assert(expression)
+
+#include <stddef.h>
+#include <sys/types.h>
+
+// free the p and set to NULL.
+// p must be a T*.
+#define srs_freep(p) \
+	if (p) { \
+		delete p; \
+		p = NULL; \
+	} \
+	(void)0
+// free the p which represents a array
+#define srs_freepa(p) \
+	if (p) { \
+		delete[] p; \
+		p = NULL; \
+	} \
+	(void)0
+
+// current release version
+#define RTMP_SIG_SRS_VERSION "0.4.0"
+// server info.
+#define RTMP_SIG_SRS_KEY "srs"
+#define RTMP_SIG_SRS_ROLE "origin server"
+#define RTMP_SIG_SRS_NAME RTMP_SIG_SRS_KEY"(simple rtmp server)"
+#define RTMP_SIG_SRS_URL "https://"RTMP_SIG_SRS_URL_SHORT
+#define RTMP_SIG_SRS_URL_SHORT "github.com/winlinvip/simple-rtmp-server"
+#define RTMP_SIG_SRS_WEB "http://blog.csdn.net/win_lin"
+#define RTMP_SIG_SRS_EMAIL "winterserver@126.com"
+#define RTMP_SIG_SRS_LICENSE "The MIT License (MIT)"
+#define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013 winlin"
+
+// compare
+#define srs_min(a, b) (((a) < (b))? (a) : (b))
+#define srs_max(a, b) (((a) < (b))? (b) : (a))
+
+// get current system time in ms, use cache to avoid performance problem
+extern int64_t srs_get_system_time_ms();
+// the deamon st-thread will update it.
+extern void srs_update_system_time_ms();
+
+// signal defines.
+#define SIGNAL_RELOAD SIGHUP
+
 #endif
 #endif

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core_amf0.hpp>
-
-#include <utility>
-
-#include <srs_core_log.hpp>
-#include <srs_core_error.hpp>
-#include <srs_core_stream.hpp>
-
-// AMF0 marker
-#define RTMP_AMF0_Number 					0x00
-#define RTMP_AMF0_Boolean 					0x01
-#define RTMP_AMF0_String 					0x02
-#define RTMP_AMF0_Object 					0x03
-#define RTMP_AMF0_MovieClip 				0x04 // reserved, not supported
-#define RTMP_AMF0_Null 						0x05
-#define RTMP_AMF0_Undefined 				0x06
-#define RTMP_AMF0_Reference 				0x07
-#define RTMP_AMF0_EcmaArray 				0x08
-#define RTMP_AMF0_ObjectEnd 				0x09
-#define RTMP_AMF0_StrictArray 				0x0A
-#define RTMP_AMF0_Date 						0x0B
-#define RTMP_AMF0_LongString 				0x0C
-#define RTMP_AMF0_UnSupported 				0x0D
-#define RTMP_AMF0_RecordSet 				0x0E // reserved, not supported
-#define RTMP_AMF0_XmlDocument 				0x0F
-#define RTMP_AMF0_TypedObject 				0x10
-// AVM+ object is the AMF3 object.
-#define RTMP_AMF0_AVMplusObject 			0x11
-// origin array whos data takes the same form as LengthValueBytes
-#define RTMP_AMF0_OriginStrictArray 		0x20
-
-// User defined
-#define RTMP_AMF0_Invalid 					0x3F
-
-int srs_amf0_get_object_eof_size();
-int srs_amf0_get_any_size(SrsAmf0Any* value);
-int srs_amf0_read_object_eof(SrsStream* stream, SrsAmf0ObjectEOF*&);
-int srs_amf0_write_object_eof(SrsStream* stream, SrsAmf0ObjectEOF*);
-int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value);
-int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value);
-
-SrsAmf0Any::SrsAmf0Any()
-{
-	marker = RTMP_AMF0_Invalid;
-}
-
-SrsAmf0Any::~SrsAmf0Any()
-{
-}
-
-bool SrsAmf0Any::is_string()
-{
-	return marker == RTMP_AMF0_String;
-}
-
-bool SrsAmf0Any::is_boolean()
-{
-	return marker == RTMP_AMF0_Boolean;
-}
-
-bool SrsAmf0Any::is_number()
-{
-	return marker == RTMP_AMF0_Number;
-}
-
-bool SrsAmf0Any::is_null()
-{
-	return marker == RTMP_AMF0_Null;
-}
-
-bool SrsAmf0Any::is_undefined()
-{
-	return marker == RTMP_AMF0_Undefined;
-}
-
-bool SrsAmf0Any::is_object()
-{
-	return marker == RTMP_AMF0_Object;
-}
-
-bool SrsAmf0Any::is_ecma_array()
-{
-	return marker == RTMP_AMF0_EcmaArray;
-}
-
-bool SrsAmf0Any::is_object_eof()
-{
-	return marker == RTMP_AMF0_ObjectEnd;
-}
-
-SrsAmf0String::SrsAmf0String(const char* _value)
-{
-	marker = RTMP_AMF0_String;
-	if (_value) {
-		value = _value;
-	}
-}
-
-SrsAmf0String::~SrsAmf0String()
-{
-}
-
-SrsAmf0Boolean::SrsAmf0Boolean(bool _value)
-{
-	marker = RTMP_AMF0_Boolean;
-	value = _value;
-}
-
-SrsAmf0Boolean::~SrsAmf0Boolean()
-{
-}
-
-SrsAmf0Number::SrsAmf0Number(double _value)
-{
-	marker = RTMP_AMF0_Number;
-	value = _value;
-}
-
-SrsAmf0Number::~SrsAmf0Number()
-{
-}
-
-SrsAmf0Null::SrsAmf0Null()
-{
-	marker = RTMP_AMF0_Null;
-}
-
-SrsAmf0Null::~SrsAmf0Null()
-{
-}
-
-SrsAmf0Undefined::SrsAmf0Undefined()
-{
-	marker = RTMP_AMF0_Undefined;
-}
-
-SrsAmf0Undefined::~SrsAmf0Undefined()
-{
-}
-
-SrsAmf0ObjectEOF::SrsAmf0ObjectEOF()
-{
-	marker = RTMP_AMF0_ObjectEnd;
-	utf8_empty = 0x00;
-}
-
-SrsAmf0ObjectEOF::~SrsAmf0ObjectEOF()
-{
-}
-
-SrsUnSortedHashtable::SrsUnSortedHashtable()
-{
-}
-
-SrsUnSortedHashtable::~SrsUnSortedHashtable()
-{
-	std::vector<SrsObjectPropertyType>::iterator it;
-	for (it = properties.begin(); it != properties.end(); ++it) {
-		SrsObjectPropertyType& elem = *it;
-		SrsAmf0Any* any = elem.second;
-		srs_freep(any);
-	}
-	properties.clear();
-}
-
-int SrsUnSortedHashtable::size()
-{
-	return (int)properties.size();
-}
-
-void SrsUnSortedHashtable::clear()
-{
-	properties.clear();
-}
-
-std::string SrsUnSortedHashtable::key_at(int index)
-{
-	srs_assert(index < size());
-	SrsObjectPropertyType& elem = properties[index];
-	return elem.first;
-}
-
-SrsAmf0Any* SrsUnSortedHashtable::value_at(int index)
-{
-	srs_assert(index < size());
-	SrsObjectPropertyType& elem = properties[index];
-	return elem.second;
-}
-
-void SrsUnSortedHashtable::set(std::string key, SrsAmf0Any* value)
-{
-	std::vector<SrsObjectPropertyType>::iterator it;
-	
-	for (it = properties.begin(); it != properties.end(); ++it) {
-		SrsObjectPropertyType& elem = *it;
-		std::string name = elem.first;
-		SrsAmf0Any* any = elem.second;
-		
-		if (key == name) {
-			srs_freep(any);
-			properties.erase(it);
-			break;
-		}
-	}
-	
-	properties.push_back(std::make_pair(key, value));
-}
-
-SrsAmf0Any* SrsUnSortedHashtable::get_property(std::string name)
-{
-	std::vector<SrsObjectPropertyType>::iterator it;
-	
-	for (it = properties.begin(); it != properties.end(); ++it) {
-		SrsObjectPropertyType& elem = *it;
-		std::string key = elem.first;
-		SrsAmf0Any* any = elem.second;
-		if (key == name) {
-			return any;
-		}
-	}
-	
-	return NULL;
-}
-
-SrsAmf0Any* SrsUnSortedHashtable::ensure_property_string(std::string name)
-{
-	SrsAmf0Any* prop = get_property(name);
-	
-	if (!prop) {
-		return NULL;
-	}
-	
-	if (!prop->is_string()) {
-		return NULL;
-	}
-	
-	return prop;
-}
-
-SrsAmf0Any* SrsUnSortedHashtable::ensure_property_number(std::string name)
-{
-	SrsAmf0Any* prop = get_property(name);
-	
-	if (!prop) {
-		return NULL;
-	}
-	
-	if (!prop->is_number()) {
-		return NULL;
-	}
-	
-	return prop;
-}
-
-SrsAmf0Object::SrsAmf0Object()
-{
-	marker = RTMP_AMF0_Object;
-}
-
-SrsAmf0Object::~SrsAmf0Object()
-{
-}
-
-int SrsAmf0Object::size()
-{
-	return properties.size();
-}
-
-std::string SrsAmf0Object::key_at(int index)
-{
-	return properties.key_at(index);
-}
-
-SrsAmf0Any* SrsAmf0Object::value_at(int index)
-{
-	return properties.value_at(index);
-}
-
-void SrsAmf0Object::set(std::string key, SrsAmf0Any* value)
-{
-	properties.set(key, value);
-}
-
-SrsAmf0Any* SrsAmf0Object::get_property(std::string name)
-{
-	return properties.get_property(name);
-}
-
-SrsAmf0Any* SrsAmf0Object::ensure_property_string(std::string name)
-{
-	return properties.ensure_property_string(name);
-}
-
-SrsAmf0Any* SrsAmf0Object::ensure_property_number(std::string name)
-{
-	return properties.ensure_property_number(name);
-}
-
-SrsASrsAmf0EcmaArray::SrsASrsAmf0EcmaArray()
-{
-	marker = RTMP_AMF0_EcmaArray;
-}
-
-SrsASrsAmf0EcmaArray::~SrsASrsAmf0EcmaArray()
-{
-}
-
-int SrsASrsAmf0EcmaArray::size()
-{
-	return properties.size();
-}
-
-void SrsASrsAmf0EcmaArray::clear()
-{
-	properties.clear();
-}
-
-std::string SrsASrsAmf0EcmaArray::key_at(int index)
-{
-	return properties.key_at(index);
-}
-
-SrsAmf0Any* SrsASrsAmf0EcmaArray::value_at(int index)
-{
-	return properties.value_at(index);
-}
-
-void SrsASrsAmf0EcmaArray::set(std::string key, SrsAmf0Any* value)
-{
-	properties.set(key, value);
-}
-
-SrsAmf0Any* SrsASrsAmf0EcmaArray::get_property(std::string name)
-{
-	return properties.get_property(name);
-}
-
-SrsAmf0Any* SrsASrsAmf0EcmaArray::ensure_property_string(std::string name)
-{
-	return properties.ensure_property_string(name);
-}
-
-int srs_amf0_read_utf8(SrsStream* stream, std::string& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// len
-	if (!stream->require(2)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read string length failed. ret=%d", ret);
-		return ret;
-	}
-	int16_t len = stream->read_2bytes();
-	srs_verbose("amf0 read string length success. len=%d", len);
-	
-	// empty string
-	if (len <= 0) {
-		srs_verbose("amf0 read empty string. ret=%d", ret);
-		return ret;
-	}
-	
-	// data
-	if (!stream->require(len)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read string data failed. ret=%d", ret);
-		return ret;
-	}
-	std::string str = stream->read_string(len);
-	
-	// support utf8-1 only
-	// 1.3.1 Strings and UTF-8
-	// UTF8-1 = %x00-7F
-	for (int i = 0; i < len; i++) {
-		char ch = *(str.data() + i);
-		if ((ch & 0x80) != 0) {
-			ret = ERROR_RTMP_AMF0_DECODE;
-			srs_error("ignored. only support utf8-1, 0x00-0x7F, actual is %#x. ret=%d", (int)ch, ret);
-			ret = ERROR_SUCCESS;
-		}
-	}
-	
-	value = str;
-	srs_verbose("amf0 read string data success. str=%s", str.c_str());
-	
-	return ret;
-}
-int srs_amf0_write_utf8(SrsStream* stream, std::string value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// len
-	if (!stream->require(2)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write string length failed. ret=%d", ret);
-		return ret;
-	}
-	stream->write_2bytes(value.length());
-	srs_verbose("amf0 write string length success. len=%d", (int)value.length());
-	
-	// empty string
-	if (value.length() <= 0) {
-		srs_verbose("amf0 write empty string. ret=%d", ret);
-		return ret;
-	}
-	
-	// data
-	if (!stream->require(value.length())) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write string data failed. ret=%d", ret);
-		return ret;
-	}
-	stream->write_string(value);
-	srs_verbose("amf0 write string data success. str=%s", value.c_str());
-	
-	return ret;
-}
-
-int srs_amf0_read_string(SrsStream* stream, std::string& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read string marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	if (marker != RTMP_AMF0_String) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 check string marker failed. "
-			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_String, ret);
-		return ret;
-	}
-	srs_verbose("amf0 read string marker success");
-	
-	return srs_amf0_read_utf8(stream, value);
-}
-
-int srs_amf0_write_string(SrsStream* stream, std::string value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write string marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	stream->write_1bytes(RTMP_AMF0_String);
-	srs_verbose("amf0 write string marker success");
-	
-	return srs_amf0_write_utf8(stream, value);
-}
-
-int srs_amf0_read_boolean(SrsStream* stream, bool& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read bool marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	if (marker != RTMP_AMF0_Boolean) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 check bool marker failed. "
-			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Boolean, ret);
-		return ret;
-	}
-	srs_verbose("amf0 read bool marker success");
-
-	// value
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read bool value failed. ret=%d", ret);
-		return ret;
-	}
-
-	if (stream->read_1bytes() == 0) {
-		value = false;
-	} else {
-		value = true;
-	}
-	
-	srs_verbose("amf0 read bool value success. value=%d", value);
-	
-	return ret;
-}
-int srs_amf0_write_boolean(SrsStream* stream, bool value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write bool marker failed. ret=%d", ret);
-		return ret;
-	}
-	stream->write_1bytes(RTMP_AMF0_Boolean);
-	srs_verbose("amf0 write bool marker success");
-
-	// value
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write bool value failed. ret=%d", ret);
-		return ret;
-	}
-
-	if (value) {
-		stream->write_1bytes(0x01);
-	} else {
-		stream->write_1bytes(0x00);
-	}
-	
-	srs_verbose("amf0 write bool value success. value=%d", value);
-	
-	return ret;
-}
-
-int srs_amf0_read_number(SrsStream* stream, double& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read number marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	if (marker != RTMP_AMF0_Number) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 check number marker failed. "
-			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Number, ret);
-		return ret;
-	}
-	srs_verbose("amf0 read number marker success");
-
-	// value
-	if (!stream->require(8)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read number value failed. ret=%d", ret);
-		return ret;
-	}
-
-	int64_t temp = stream->read_8bytes();
-	memcpy(&value, &temp, 8);
-	
-	srs_verbose("amf0 read number value success. value=%.2f", value);
-	
-	return ret;
-}
-int srs_amf0_write_number(SrsStream* stream, double value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write number marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	stream->write_1bytes(RTMP_AMF0_Number);
-	srs_verbose("amf0 write number marker success");
-
-	// value
-	if (!stream->require(8)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write number value failed. ret=%d", ret);
-		return ret;
-	}
-
-	int64_t temp = 0x00;
-	memcpy(&temp, &value, 8);
-	stream->write_8bytes(temp);
-	
-	srs_verbose("amf0 write number value success. value=%.2f", 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_undefined(SrsStream* stream)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read undefined marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	if (marker != RTMP_AMF0_Undefined) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 check undefined marker failed. "
-			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Undefined, ret);
-		return ret;
-	}
-	srs_verbose("amf0 read undefined success");
-	
-	return ret;
-}
-int srs_amf0_write_undefined(SrsStream* stream)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write undefined marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	stream->write_1bytes(RTMP_AMF0_Undefined);
-	srs_verbose("amf0 write undefined marker success");
-	
-	return ret;
-}
-
-int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read any marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	srs_verbose("amf0 any marker success");
-	
-	// backward the 1byte marker.
-	stream->skip(-1);
-	
-	switch (marker) {
-		case RTMP_AMF0_String: {
-			std::string data;
-			if ((ret = srs_amf0_read_string(stream, data)) != ERROR_SUCCESS) {
-				return ret;
-			}
-			value = new SrsAmf0String();
-			srs_amf0_convert<SrsAmf0String>(value)->value = data;
-			return ret;
-		}
-		case RTMP_AMF0_Boolean: {
-			bool data;
-			if ((ret = srs_amf0_read_boolean(stream, data)) != ERROR_SUCCESS) {
-				return ret;
-			}
-			value = new SrsAmf0Boolean();
-			srs_amf0_convert<SrsAmf0Boolean>(value)->value = data;
-			return ret;
-		}
-		case RTMP_AMF0_Number: {
-			double data;
-			if ((ret = srs_amf0_read_number(stream, data)) != ERROR_SUCCESS) {
-				return ret;
-			}
-			value = new SrsAmf0Number();
-			srs_amf0_convert<SrsAmf0Number>(value)->value = data;
-			return ret;
-		}
-		case RTMP_AMF0_Null: {
-			stream->skip(1);
-			value = new SrsAmf0Null();
-			return ret;
-		}
-		case RTMP_AMF0_Undefined: {
-			stream->skip(1);
-			value = new SrsAmf0Undefined();
-			return ret;
-		}
-		case RTMP_AMF0_ObjectEnd: {
-			SrsAmf0ObjectEOF* p = NULL;
-			if ((ret = srs_amf0_read_object_eof(stream, p)) != ERROR_SUCCESS) {
-				return ret;
-			}
-			value = p;
-			return ret;
-		}
-		case RTMP_AMF0_Object: {
-			SrsAmf0Object* p = NULL;
-			if ((ret = srs_amf0_read_object(stream, p)) != ERROR_SUCCESS) {
-				return ret;
-			}
-			value = p;
-			return ret;
-		}
-		case RTMP_AMF0_EcmaArray: {
-			SrsASrsAmf0EcmaArray* p = NULL;
-			if ((ret = srs_amf0_read_ecma_array(stream, p)) != ERROR_SUCCESS) {
-				return ret;
-			}
-			value = p;
-			return ret;
-		}
-		case RTMP_AMF0_Invalid:
-		default: {
-			ret = ERROR_RTMP_AMF0_INVALID;
-			srs_error("invalid amf0 message type. marker=%#x, ret=%d", marker, ret);
-			return ret;
-		}
-	}
-	
-	return ret;
-}
-int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	srs_assert(value != NULL);
-	
-	switch (value->marker) {
-		case RTMP_AMF0_String: {
-			std::string data = srs_amf0_convert<SrsAmf0String>(value)->value;
-			return srs_amf0_write_string(stream, data);
-		}
-		case RTMP_AMF0_Boolean: {
-			bool data = srs_amf0_convert<SrsAmf0Boolean>(value)->value;
-			return srs_amf0_write_boolean(stream, data);
-		}
-		case RTMP_AMF0_Number: {
-			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_Undefined: {
-			return srs_amf0_write_undefined(stream);
-		}
-		case RTMP_AMF0_ObjectEnd: {
-			SrsAmf0ObjectEOF* p = srs_amf0_convert<SrsAmf0ObjectEOF>(value);
-			return srs_amf0_write_object_eof(stream, p);
-		}
-		case RTMP_AMF0_Object: {
-			SrsAmf0Object* p = srs_amf0_convert<SrsAmf0Object>(value);
-			return srs_amf0_write_object(stream, p);
-		}
-		case RTMP_AMF0_EcmaArray: {
-			SrsASrsAmf0EcmaArray* p = srs_amf0_convert<SrsASrsAmf0EcmaArray>(value);
-			return srs_amf0_write_ecma_array(stream, p);
-		}
-		case RTMP_AMF0_Invalid:
-		default: {
-			ret = ERROR_RTMP_AMF0_INVALID;
-			srs_error("invalid amf0 message type. marker=%#x, ret=%d", value->marker, ret);
-			return ret;
-		}
-	}
-	
-	return ret;
-}
-int srs_amf0_get_any_size(SrsAmf0Any* value)
-{
-	if (!value) {
-		return 0;
-	}
-	
-	int size = 0;
-	
-	switch (value->marker) {
-		case RTMP_AMF0_String: {
-			SrsAmf0String* p = srs_amf0_convert<SrsAmf0String>(value);
-			size += srs_amf0_get_string_size(p->value);
-			break;
-		}
-		case RTMP_AMF0_Boolean: {
-			size += srs_amf0_get_boolean_size();
-			break;
-		}
-		case RTMP_AMF0_Number: {
-			size += srs_amf0_get_number_size();
-			break;
-		}
-		case RTMP_AMF0_Null: {
-			size += srs_amf0_get_null_size();
-			break;
-		}
-		case RTMP_AMF0_Undefined: {
-			size += srs_amf0_get_undefined_size();
-			break;
-		}
-		case RTMP_AMF0_ObjectEnd: {
-			size += srs_amf0_get_object_eof_size();
-			break;
-		}
-		case RTMP_AMF0_Object: {
-			SrsAmf0Object* p = srs_amf0_convert<SrsAmf0Object>(value);
-			size += srs_amf0_get_object_size(p);
-			break;
-		}
-		case RTMP_AMF0_EcmaArray: {
-			SrsASrsAmf0EcmaArray* p = srs_amf0_convert<SrsASrsAmf0EcmaArray>(value);
-			size += srs_amf0_get_ecma_array_size(p);
-			break;
-		}
-		default: {
-			// TOOD: other AMF0 types.
-			srs_warn("ignore unkown AMF0 type size.");
-			break;
-		}
-	}
-	
-	return size;
-}
-
-int srs_amf0_read_object_eof(SrsStream* stream, SrsAmf0ObjectEOF*& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// auto skip -2 to read the object eof.
-	srs_assert(stream->pos() >= 2);
-	stream->skip(-2);
-	
-	// value
-	if (!stream->require(2)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read object eof value failed. ret=%d", ret);
-		return ret;
-	}
-	int16_t temp = stream->read_2bytes();
-	if (temp != 0x00) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read object eof value check failed. "
-			"must be 0x00, actual is %#x, ret=%d", temp, ret);
-		return ret;
-	}
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read object eof marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	if (marker != RTMP_AMF0_ObjectEnd) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 check object eof marker failed. "
-			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_ObjectEnd, ret);
-		return ret;
-	}
-	srs_verbose("amf0 read object eof marker success");
-	
-	value = new SrsAmf0ObjectEOF();
-	srs_verbose("amf0 read object eof success");
-	
-	return ret;
-}
-int srs_amf0_write_object_eof(SrsStream* stream, SrsAmf0ObjectEOF* value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	srs_assert(value != NULL);
-	
-	// value
-	if (!stream->require(2)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write object eof value failed. ret=%d", ret);
-		return ret;
-	}
-	stream->write_2bytes(0x00);
-	srs_verbose("amf0 write object eof value success");
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write object eof marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	stream->write_1bytes(RTMP_AMF0_ObjectEnd);
-	
-	srs_verbose("amf0 read object eof success");
-	
-	return ret;
-}
-
-int srs_amf0_read_object(SrsStream* stream, SrsAmf0Object*& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read object marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	if (marker != RTMP_AMF0_Object) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 check object marker failed. "
-			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Object, ret);
-		return ret;
-	}
-	srs_verbose("amf0 read object marker success");
-	
-	// value
-	value = new SrsAmf0Object();
-
-	while (!stream->empty()) {
-		// property-name: utf8 string
-		std::string property_name;
-		if ((ret =srs_amf0_read_utf8(stream, property_name)) != ERROR_SUCCESS) {
-			srs_error("amf0 object read property name failed. ret=%d", ret);
-			return ret;
-		}
-		// property-value: any
-		SrsAmf0Any* property_value = NULL;
-		if ((ret = srs_amf0_read_any(stream, property_value)) != ERROR_SUCCESS) {
-			srs_error("amf0 object read property_value failed. "
-				"name=%s, ret=%d", property_name.c_str(), ret);
-			return ret;
-		}
-		
-		// AMF0 Object EOF.
-		if (property_name.empty() || !property_value || property_value->is_object_eof()) {
-			if (property_value) {
-				srs_freep(property_value);
-			}
-			srs_info("amf0 read object EOF.");
-			break;
-		}
-		
-		// add property
-		value->set(property_name, property_value);
-	}
-	
-	return ret;
-}
-int srs_amf0_write_object(SrsStream* stream, SrsAmf0Object* value)
-{
-	int ret = ERROR_SUCCESS;
-
-	srs_assert(value != NULL);
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write object marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	stream->write_1bytes(RTMP_AMF0_Object);
-	srs_verbose("amf0 write object marker success");
-	
-	// value
-	for (int i = 0; i < value->size(); i++) {
-		std::string name = value->key_at(i);
-		SrsAmf0Any* any = value->value_at(i);
-		
-		if ((ret = srs_amf0_write_utf8(stream, name)) != ERROR_SUCCESS) {
-			srs_error("write object property name failed. ret=%d", ret);
-			return ret;
-		}
-		
-		if ((ret = srs_amf0_write_any(stream, any)) != ERROR_SUCCESS) {
-			srs_error("write object property value failed. ret=%d", ret);
-			return ret;
-		}
-		
-		srs_verbose("write amf0 property success. name=%s", name.c_str());
-	}
-	
-	if ((ret = srs_amf0_write_object_eof(stream, &value->eof)) != ERROR_SUCCESS) {
-		srs_error("write object eof failed. ret=%d", ret);
-		return ret;
-	}
-	
-	srs_verbose("write amf0 object success.");
-	
-	return ret;
-}
-
-int srs_amf0_read_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray*& value)
-{
-	int ret = ERROR_SUCCESS;
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read ecma_array marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	char marker = stream->read_1bytes();
-	if (marker != RTMP_AMF0_EcmaArray) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 check ecma_array marker failed. "
-			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Object, ret);
-		return ret;
-	}
-	srs_verbose("amf0 read ecma_array marker success");
-
-	// count
-	if (!stream->require(4)) {
-		ret = ERROR_RTMP_AMF0_DECODE;
-		srs_error("amf0 read ecma_array count failed. ret=%d", ret);
-		return ret;
-	}
-	
-	int32_t count = stream->read_4bytes();
-	srs_verbose("amf0 read ecma_array count success. count=%d", count);
-	
-	// value
-	value = new SrsASrsAmf0EcmaArray();
-	value->count = count;
-
-	while (!stream->empty()) {
-		// property-name: utf8 string
-		std::string property_name;
-		if ((ret =srs_amf0_read_utf8(stream, property_name)) != ERROR_SUCCESS) {
-			srs_error("amf0 ecma_array read property name failed. ret=%d", ret);
-			return ret;
-		}
-		// property-value: any
-		SrsAmf0Any* property_value = NULL;
-		if ((ret = srs_amf0_read_any(stream, property_value)) != ERROR_SUCCESS) {
-			srs_error("amf0 ecma_array read property_value failed. "
-				"name=%s, ret=%d", property_name.c_str(), ret);
-			return ret;
-		}
-		
-		// AMF0 Object EOF.
-		if (property_name.empty() || !property_value || property_value->is_object_eof()) {
-			if (property_value) {
-				srs_freep(property_value);
-			}
-			srs_info("amf0 read ecma_array EOF.");
-			break;
-		}
-		
-		// add property
-		value->set(property_name, property_value);
-	}
-	
-	return ret;
-}
-int srs_amf0_write_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray* value)
-{
-	int ret = ERROR_SUCCESS;
-
-	srs_assert(value != NULL);
-	
-	// marker
-	if (!stream->require(1)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write ecma_array marker failed. ret=%d", ret);
-		return ret;
-	}
-	
-	stream->write_1bytes(RTMP_AMF0_EcmaArray);
-	srs_verbose("amf0 write ecma_array marker success");
-
-	// count
-	if (!stream->require(4)) {
-		ret = ERROR_RTMP_AMF0_ENCODE;
-		srs_error("amf0 write ecma_array count failed. ret=%d", ret);
-		return ret;
-	}
-	
-	stream->write_4bytes(value->count);
-	srs_verbose("amf0 write ecma_array count success. count=%d", value->count);
-	
-	// value
-	for (int i = 0; i < value->size(); i++) {
-		std::string name = value->key_at(i);
-		SrsAmf0Any* any = value->value_at(i);
-		
-		if ((ret = srs_amf0_write_utf8(stream, name)) != ERROR_SUCCESS) {
-			srs_error("write ecma_array property name failed. ret=%d", ret);
-			return ret;
-		}
-		
-		if ((ret = srs_amf0_write_any(stream, any)) != ERROR_SUCCESS) {
-			srs_error("write ecma_array property value failed. ret=%d", ret);
-			return ret;
-		}
-		
-		srs_verbose("write amf0 property success. name=%s", name.c_str());
-	}
-	
-	if ((ret = srs_amf0_write_object_eof(stream, &value->eof)) != ERROR_SUCCESS) {
-		srs_error("write ecma_array eof failed. ret=%d", ret);
-		return ret;
-	}
-	
-	srs_verbose("write ecma_array object success.");
-	
-	return ret;
-}
-
-int srs_amf0_get_utf8_size(std::string value)
-{
-	return 2 + value.length();
-}
-
-int srs_amf0_get_string_size(std::string value)
-{
-	return 1 + srs_amf0_get_utf8_size(value);
-}
-
-int srs_amf0_get_number_size()
-{
-	return 1 + 8;
-}
-
-int srs_amf0_get_null_size()
-{
-	return 1;
-}
-
-int srs_amf0_get_undefined_size()
-{
-	return 1;
-}
-
-int srs_amf0_get_boolean_size()
-{
-	return 1 + 1;
-}
-
-int srs_amf0_get_object_size(SrsAmf0Object* obj)
-{
-	if (!obj) {
-		return 0;
-	}
-	
-	int size = 1;
-	
-	for (int i = 0; i < obj->size(); i++){
-		std::string name = obj->key_at(i);
-		SrsAmf0Any* value = obj->value_at(i);
-		
-		size += srs_amf0_get_utf8_size(name);
-		size += srs_amf0_get_any_size(value);
-	}
-	
-	size += srs_amf0_get_object_eof_size();
-	
-	return size;
-}
-
-int srs_amf0_get_ecma_array_size(SrsASrsAmf0EcmaArray* arr)
-{
-	if (!arr) {
-		return 0;
-	}
-	
-	int size = 1 + 4;
-	
-	for (int i = 0; i < arr->size(); i++){
-		std::string name = arr->key_at(i);
-		SrsAmf0Any* value = arr->value_at(i);
-		
-		size += srs_amf0_get_utf8_size(name);
-		size += srs_amf0_get_any_size(value);
-	}
-	
-	size += srs_amf0_get_object_eof_size();
-	
-	return size;
-}
-
-int srs_amf0_get_object_eof_size()
-{
-	return 2 + 1;
-}
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_amf0.hpp>
+
+#include <utility>
+
+#include <srs_core_log.hpp>
+#include <srs_core_error.hpp>
+#include <srs_core_stream.hpp>
+
+// AMF0 marker
+#define RTMP_AMF0_Number 					0x00
+#define RTMP_AMF0_Boolean 					0x01
+#define RTMP_AMF0_String 					0x02
+#define RTMP_AMF0_Object 					0x03
+#define RTMP_AMF0_MovieClip 				0x04 // reserved, not supported
+#define RTMP_AMF0_Null 						0x05
+#define RTMP_AMF0_Undefined 				0x06
+#define RTMP_AMF0_Reference 				0x07
+#define RTMP_AMF0_EcmaArray 				0x08
+#define RTMP_AMF0_ObjectEnd 				0x09
+#define RTMP_AMF0_StrictArray 				0x0A
+#define RTMP_AMF0_Date 						0x0B
+#define RTMP_AMF0_LongString 				0x0C
+#define RTMP_AMF0_UnSupported 				0x0D
+#define RTMP_AMF0_RecordSet 				0x0E // reserved, not supported
+#define RTMP_AMF0_XmlDocument 				0x0F
+#define RTMP_AMF0_TypedObject 				0x10
+// AVM+ object is the AMF3 object.
+#define RTMP_AMF0_AVMplusObject 			0x11
+// origin array whos data takes the same form as LengthValueBytes
+#define RTMP_AMF0_OriginStrictArray 		0x20
+
+// User defined
+#define RTMP_AMF0_Invalid 					0x3F
+
+int srs_amf0_get_object_eof_size();
+int srs_amf0_get_any_size(SrsAmf0Any* value);
+int srs_amf0_read_object_eof(SrsStream* stream, SrsAmf0ObjectEOF*&);
+int srs_amf0_write_object_eof(SrsStream* stream, SrsAmf0ObjectEOF*);
+int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value);
+int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value);
+
+SrsAmf0Any::SrsAmf0Any()
+{
+	marker = RTMP_AMF0_Invalid;
+}
+
+SrsAmf0Any::~SrsAmf0Any()
+{
+}
+
+bool SrsAmf0Any::is_string()
+{
+	return marker == RTMP_AMF0_String;
+}
+
+bool SrsAmf0Any::is_boolean()
+{
+	return marker == RTMP_AMF0_Boolean;
+}
+
+bool SrsAmf0Any::is_number()
+{
+	return marker == RTMP_AMF0_Number;
+}
+
+bool SrsAmf0Any::is_null()
+{
+	return marker == RTMP_AMF0_Null;
+}
+
+bool SrsAmf0Any::is_undefined()
+{
+	return marker == RTMP_AMF0_Undefined;
+}
+
+bool SrsAmf0Any::is_object()
+{
+	return marker == RTMP_AMF0_Object;
+}
+
+bool SrsAmf0Any::is_ecma_array()
+{
+	return marker == RTMP_AMF0_EcmaArray;
+}
+
+bool SrsAmf0Any::is_object_eof()
+{
+	return marker == RTMP_AMF0_ObjectEnd;
+}
+
+SrsAmf0String::SrsAmf0String(const char* _value)
+{
+	marker = RTMP_AMF0_String;
+	if (_value) {
+		value = _value;
+	}
+}
+
+SrsAmf0String::~SrsAmf0String()
+{
+}
+
+SrsAmf0Boolean::SrsAmf0Boolean(bool _value)
+{
+	marker = RTMP_AMF0_Boolean;
+	value = _value;
+}
+
+SrsAmf0Boolean::~SrsAmf0Boolean()
+{
+}
+
+SrsAmf0Number::SrsAmf0Number(double _value)
+{
+	marker = RTMP_AMF0_Number;
+	value = _value;
+}
+
+SrsAmf0Number::~SrsAmf0Number()
+{
+}
+
+SrsAmf0Null::SrsAmf0Null()
+{
+	marker = RTMP_AMF0_Null;
+}
+
+SrsAmf0Null::~SrsAmf0Null()
+{
+}
+
+SrsAmf0Undefined::SrsAmf0Undefined()
+{
+	marker = RTMP_AMF0_Undefined;
+}
+
+SrsAmf0Undefined::~SrsAmf0Undefined()
+{
+}
+
+SrsAmf0ObjectEOF::SrsAmf0ObjectEOF()
+{
+	marker = RTMP_AMF0_ObjectEnd;
+	utf8_empty = 0x00;
+}
+
+SrsAmf0ObjectEOF::~SrsAmf0ObjectEOF()
+{
+}
+
+SrsUnSortedHashtable::SrsUnSortedHashtable()
+{
+}
+
+SrsUnSortedHashtable::~SrsUnSortedHashtable()
+{
+	std::vector<SrsObjectPropertyType>::iterator it;
+	for (it = properties.begin(); it != properties.end(); ++it) {
+		SrsObjectPropertyType& elem = *it;
+		SrsAmf0Any* any = elem.second;
+		srs_freep(any);
+	}
+	properties.clear();
+}
+
+int SrsUnSortedHashtable::size()
+{
+	return (int)properties.size();
+}
+
+void SrsUnSortedHashtable::clear()
+{
+	properties.clear();
+}
+
+std::string SrsUnSortedHashtable::key_at(int index)
+{
+	srs_assert(index < size());
+	SrsObjectPropertyType& elem = properties[index];
+	return elem.first;
+}
+
+SrsAmf0Any* SrsUnSortedHashtable::value_at(int index)
+{
+	srs_assert(index < size());
+	SrsObjectPropertyType& elem = properties[index];
+	return elem.second;
+}
+
+void SrsUnSortedHashtable::set(std::string key, SrsAmf0Any* value)
+{
+	std::vector<SrsObjectPropertyType>::iterator it;
+	
+	for (it = properties.begin(); it != properties.end(); ++it) {
+		SrsObjectPropertyType& elem = *it;
+		std::string name = elem.first;
+		SrsAmf0Any* any = elem.second;
+		
+		if (key == name) {
+			srs_freep(any);
+			properties.erase(it);
+			break;
+		}
+	}
+	
+	properties.push_back(std::make_pair(key, value));
+}
+
+SrsAmf0Any* SrsUnSortedHashtable::get_property(std::string name)
+{
+	std::vector<SrsObjectPropertyType>::iterator it;
+	
+	for (it = properties.begin(); it != properties.end(); ++it) {
+		SrsObjectPropertyType& elem = *it;
+		std::string key = elem.first;
+		SrsAmf0Any* any = elem.second;
+		if (key == name) {
+			return any;
+		}
+	}
+	
+	return NULL;
+}
+
+SrsAmf0Any* SrsUnSortedHashtable::ensure_property_string(std::string name)
+{
+	SrsAmf0Any* prop = get_property(name);
+	
+	if (!prop) {
+		return NULL;
+	}
+	
+	if (!prop->is_string()) {
+		return NULL;
+	}
+	
+	return prop;
+}
+
+SrsAmf0Any* SrsUnSortedHashtable::ensure_property_number(std::string name)
+{
+	SrsAmf0Any* prop = get_property(name);
+	
+	if (!prop) {
+		return NULL;
+	}
+	
+	if (!prop->is_number()) {
+		return NULL;
+	}
+	
+	return prop;
+}
+
+SrsAmf0Object::SrsAmf0Object()
+{
+	marker = RTMP_AMF0_Object;
+}
+
+SrsAmf0Object::~SrsAmf0Object()
+{
+}
+
+int SrsAmf0Object::size()
+{
+	return properties.size();
+}
+
+std::string SrsAmf0Object::key_at(int index)
+{
+	return properties.key_at(index);
+}
+
+SrsAmf0Any* SrsAmf0Object::value_at(int index)
+{
+	return properties.value_at(index);
+}
+
+void SrsAmf0Object::set(std::string key, SrsAmf0Any* value)
+{
+	properties.set(key, value);
+}
+
+SrsAmf0Any* SrsAmf0Object::get_property(std::string name)
+{
+	return properties.get_property(name);
+}
+
+SrsAmf0Any* SrsAmf0Object::ensure_property_string(std::string name)
+{
+	return properties.ensure_property_string(name);
+}
+
+SrsAmf0Any* SrsAmf0Object::ensure_property_number(std::string name)
+{
+	return properties.ensure_property_number(name);
+}
+
+SrsASrsAmf0EcmaArray::SrsASrsAmf0EcmaArray()
+{
+	marker = RTMP_AMF0_EcmaArray;
+}
+
+SrsASrsAmf0EcmaArray::~SrsASrsAmf0EcmaArray()
+{
+}
+
+int SrsASrsAmf0EcmaArray::size()
+{
+	return properties.size();
+}
+
+void SrsASrsAmf0EcmaArray::clear()
+{
+	properties.clear();
+}
+
+std::string SrsASrsAmf0EcmaArray::key_at(int index)
+{
+	return properties.key_at(index);
+}
+
+SrsAmf0Any* SrsASrsAmf0EcmaArray::value_at(int index)
+{
+	return properties.value_at(index);
+}
+
+void SrsASrsAmf0EcmaArray::set(std::string key, SrsAmf0Any* value)
+{
+	properties.set(key, value);
+}
+
+SrsAmf0Any* SrsASrsAmf0EcmaArray::get_property(std::string name)
+{
+	return properties.get_property(name);
+}
+
+SrsAmf0Any* SrsASrsAmf0EcmaArray::ensure_property_string(std::string name)
+{
+	return properties.ensure_property_string(name);
+}
+
+int srs_amf0_read_utf8(SrsStream* stream, std::string& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// len
+	if (!stream->require(2)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read string length failed. ret=%d", ret);
+		return ret;
+	}
+	int16_t len = stream->read_2bytes();
+	srs_verbose("amf0 read string length success. len=%d", len);
+	
+	// empty string
+	if (len <= 0) {
+		srs_verbose("amf0 read empty string. ret=%d", ret);
+		return ret;
+	}
+	
+	// data
+	if (!stream->require(len)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read string data failed. ret=%d", ret);
+		return ret;
+	}
+	std::string str = stream->read_string(len);
+	
+	// support utf8-1 only
+	// 1.3.1 Strings and UTF-8
+	// UTF8-1 = %x00-7F
+	for (int i = 0; i < len; i++) {
+		char ch = *(str.data() + i);
+		if ((ch & 0x80) != 0) {
+			ret = ERROR_RTMP_AMF0_DECODE;
+			srs_error("ignored. only support utf8-1, 0x00-0x7F, actual is %#x. ret=%d", (int)ch, ret);
+			ret = ERROR_SUCCESS;
+		}
+	}
+	
+	value = str;
+	srs_verbose("amf0 read string data success. str=%s", str.c_str());
+	
+	return ret;
+}
+int srs_amf0_write_utf8(SrsStream* stream, std::string value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// len
+	if (!stream->require(2)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write string length failed. ret=%d", ret);
+		return ret;
+	}
+	stream->write_2bytes(value.length());
+	srs_verbose("amf0 write string length success. len=%d", (int)value.length());
+	
+	// empty string
+	if (value.length() <= 0) {
+		srs_verbose("amf0 write empty string. ret=%d", ret);
+		return ret;
+	}
+	
+	// data
+	if (!stream->require(value.length())) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write string data failed. ret=%d", ret);
+		return ret;
+	}
+	stream->write_string(value);
+	srs_verbose("amf0 write string data success. str=%s", value.c_str());
+	
+	return ret;
+}
+
+int srs_amf0_read_string(SrsStream* stream, std::string& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read string marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_String) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check string marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_String, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read string marker success");
+	
+	return srs_amf0_read_utf8(stream, value);
+}
+
+int srs_amf0_write_string(SrsStream* stream, std::string value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write string marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_1bytes(RTMP_AMF0_String);
+	srs_verbose("amf0 write string marker success");
+	
+	return srs_amf0_write_utf8(stream, value);
+}
+
+int srs_amf0_read_boolean(SrsStream* stream, bool& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read bool marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_Boolean) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check bool marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Boolean, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read bool marker success");
+
+	// value
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read bool value failed. ret=%d", ret);
+		return ret;
+	}
+
+	if (stream->read_1bytes() == 0) {
+		value = false;
+	} else {
+		value = true;
+	}
+	
+	srs_verbose("amf0 read bool value success. value=%d", value);
+	
+	return ret;
+}
+int srs_amf0_write_boolean(SrsStream* stream, bool value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write bool marker failed. ret=%d", ret);
+		return ret;
+	}
+	stream->write_1bytes(RTMP_AMF0_Boolean);
+	srs_verbose("amf0 write bool marker success");
+
+	// value
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write bool value failed. ret=%d", ret);
+		return ret;
+	}
+
+	if (value) {
+		stream->write_1bytes(0x01);
+	} else {
+		stream->write_1bytes(0x00);
+	}
+	
+	srs_verbose("amf0 write bool value success. value=%d", value);
+	
+	return ret;
+}
+
+int srs_amf0_read_number(SrsStream* stream, double& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read number marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_Number) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check number marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Number, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read number marker success");
+
+	// value
+	if (!stream->require(8)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read number value failed. ret=%d", ret);
+		return ret;
+	}
+
+	int64_t temp = stream->read_8bytes();
+	memcpy(&value, &temp, 8);
+	
+	srs_verbose("amf0 read number value success. value=%.2f", value);
+	
+	return ret;
+}
+int srs_amf0_write_number(SrsStream* stream, double value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write number marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_1bytes(RTMP_AMF0_Number);
+	srs_verbose("amf0 write number marker success");
+
+	// value
+	if (!stream->require(8)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write number value failed. ret=%d", ret);
+		return ret;
+	}
+
+	int64_t temp = 0x00;
+	memcpy(&temp, &value, 8);
+	stream->write_8bytes(temp);
+	
+	srs_verbose("amf0 write number value success. value=%.2f", 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_undefined(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read undefined marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_Undefined) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check undefined marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Undefined, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read undefined success");
+	
+	return ret;
+}
+int srs_amf0_write_undefined(SrsStream* stream)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write undefined marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_1bytes(RTMP_AMF0_Undefined);
+	srs_verbose("amf0 write undefined marker success");
+	
+	return ret;
+}
+
+int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read any marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	srs_verbose("amf0 any marker success");
+	
+	// backward the 1byte marker.
+	stream->skip(-1);
+	
+	switch (marker) {
+		case RTMP_AMF0_String: {
+			std::string data;
+			if ((ret = srs_amf0_read_string(stream, data)) != ERROR_SUCCESS) {
+				return ret;
+			}
+			value = new SrsAmf0String();
+			srs_amf0_convert<SrsAmf0String>(value)->value = data;
+			return ret;
+		}
+		case RTMP_AMF0_Boolean: {
+			bool data;
+			if ((ret = srs_amf0_read_boolean(stream, data)) != ERROR_SUCCESS) {
+				return ret;
+			}
+			value = new SrsAmf0Boolean();
+			srs_amf0_convert<SrsAmf0Boolean>(value)->value = data;
+			return ret;
+		}
+		case RTMP_AMF0_Number: {
+			double data;
+			if ((ret = srs_amf0_read_number(stream, data)) != ERROR_SUCCESS) {
+				return ret;
+			}
+			value = new SrsAmf0Number();
+			srs_amf0_convert<SrsAmf0Number>(value)->value = data;
+			return ret;
+		}
+		case RTMP_AMF0_Null: {
+			stream->skip(1);
+			value = new SrsAmf0Null();
+			return ret;
+		}
+		case RTMP_AMF0_Undefined: {
+			stream->skip(1);
+			value = new SrsAmf0Undefined();
+			return ret;
+		}
+		case RTMP_AMF0_ObjectEnd: {
+			SrsAmf0ObjectEOF* p = NULL;
+			if ((ret = srs_amf0_read_object_eof(stream, p)) != ERROR_SUCCESS) {
+				return ret;
+			}
+			value = p;
+			return ret;
+		}
+		case RTMP_AMF0_Object: {
+			SrsAmf0Object* p = NULL;
+			if ((ret = srs_amf0_read_object(stream, p)) != ERROR_SUCCESS) {
+				return ret;
+			}
+			value = p;
+			return ret;
+		}
+		case RTMP_AMF0_EcmaArray: {
+			SrsASrsAmf0EcmaArray* p = NULL;
+			if ((ret = srs_amf0_read_ecma_array(stream, p)) != ERROR_SUCCESS) {
+				return ret;
+			}
+			value = p;
+			return ret;
+		}
+		case RTMP_AMF0_Invalid:
+		default: {
+			ret = ERROR_RTMP_AMF0_INVALID;
+			srs_error("invalid amf0 message type. marker=%#x, ret=%d", marker, ret);
+			return ret;
+		}
+	}
+	
+	return ret;
+}
+int srs_amf0_write_any(SrsStream* stream, SrsAmf0Any* value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	srs_assert(value != NULL);
+	
+	switch (value->marker) {
+		case RTMP_AMF0_String: {
+			std::string data = srs_amf0_convert<SrsAmf0String>(value)->value;
+			return srs_amf0_write_string(stream, data);
+		}
+		case RTMP_AMF0_Boolean: {
+			bool data = srs_amf0_convert<SrsAmf0Boolean>(value)->value;
+			return srs_amf0_write_boolean(stream, data);
+		}
+		case RTMP_AMF0_Number: {
+			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_Undefined: {
+			return srs_amf0_write_undefined(stream);
+		}
+		case RTMP_AMF0_ObjectEnd: {
+			SrsAmf0ObjectEOF* p = srs_amf0_convert<SrsAmf0ObjectEOF>(value);
+			return srs_amf0_write_object_eof(stream, p);
+		}
+		case RTMP_AMF0_Object: {
+			SrsAmf0Object* p = srs_amf0_convert<SrsAmf0Object>(value);
+			return srs_amf0_write_object(stream, p);
+		}
+		case RTMP_AMF0_EcmaArray: {
+			SrsASrsAmf0EcmaArray* p = srs_amf0_convert<SrsASrsAmf0EcmaArray>(value);
+			return srs_amf0_write_ecma_array(stream, p);
+		}
+		case RTMP_AMF0_Invalid:
+		default: {
+			ret = ERROR_RTMP_AMF0_INVALID;
+			srs_error("invalid amf0 message type. marker=%#x, ret=%d", value->marker, ret);
+			return ret;
+		}
+	}
+	
+	return ret;
+}
+int srs_amf0_get_any_size(SrsAmf0Any* value)
+{
+	if (!value) {
+		return 0;
+	}
+	
+	int size = 0;
+	
+	switch (value->marker) {
+		case RTMP_AMF0_String: {
+			SrsAmf0String* p = srs_amf0_convert<SrsAmf0String>(value);
+			size += srs_amf0_get_string_size(p->value);
+			break;
+		}
+		case RTMP_AMF0_Boolean: {
+			size += srs_amf0_get_boolean_size();
+			break;
+		}
+		case RTMP_AMF0_Number: {
+			size += srs_amf0_get_number_size();
+			break;
+		}
+		case RTMP_AMF0_Null: {
+			size += srs_amf0_get_null_size();
+			break;
+		}
+		case RTMP_AMF0_Undefined: {
+			size += srs_amf0_get_undefined_size();
+			break;
+		}
+		case RTMP_AMF0_ObjectEnd: {
+			size += srs_amf0_get_object_eof_size();
+			break;
+		}
+		case RTMP_AMF0_Object: {
+			SrsAmf0Object* p = srs_amf0_convert<SrsAmf0Object>(value);
+			size += srs_amf0_get_object_size(p);
+			break;
+		}
+		case RTMP_AMF0_EcmaArray: {
+			SrsASrsAmf0EcmaArray* p = srs_amf0_convert<SrsASrsAmf0EcmaArray>(value);
+			size += srs_amf0_get_ecma_array_size(p);
+			break;
+		}
+		default: {
+			// TOOD: other AMF0 types.
+			srs_warn("ignore unkown AMF0 type size.");
+			break;
+		}
+	}
+	
+	return size;
+}
+
+int srs_amf0_read_object_eof(SrsStream* stream, SrsAmf0ObjectEOF*& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// auto skip -2 to read the object eof.
+	srs_assert(stream->pos() >= 2);
+	stream->skip(-2);
+	
+	// value
+	if (!stream->require(2)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read object eof value failed. ret=%d", ret);
+		return ret;
+	}
+	int16_t temp = stream->read_2bytes();
+	if (temp != 0x00) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read object eof value check failed. "
+			"must be 0x00, actual is %#x, ret=%d", temp, ret);
+		return ret;
+	}
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read object eof marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_ObjectEnd) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check object eof marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_ObjectEnd, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read object eof marker success");
+	
+	value = new SrsAmf0ObjectEOF();
+	srs_verbose("amf0 read object eof success");
+	
+	return ret;
+}
+int srs_amf0_write_object_eof(SrsStream* stream, SrsAmf0ObjectEOF* value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	srs_assert(value != NULL);
+	
+	// value
+	if (!stream->require(2)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write object eof value failed. ret=%d", ret);
+		return ret;
+	}
+	stream->write_2bytes(0x00);
+	srs_verbose("amf0 write object eof value success");
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write object eof marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_1bytes(RTMP_AMF0_ObjectEnd);
+	
+	srs_verbose("amf0 read object eof success");
+	
+	return ret;
+}
+
+int srs_amf0_read_object(SrsStream* stream, SrsAmf0Object*& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read object marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_Object) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check object marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Object, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read object marker success");
+	
+	// value
+	value = new SrsAmf0Object();
+
+	while (!stream->empty()) {
+		// property-name: utf8 string
+		std::string property_name;
+		if ((ret =srs_amf0_read_utf8(stream, property_name)) != ERROR_SUCCESS) {
+			srs_error("amf0 object read property name failed. ret=%d", ret);
+			return ret;
+		}
+		// property-value: any
+		SrsAmf0Any* property_value = NULL;
+		if ((ret = srs_amf0_read_any(stream, property_value)) != ERROR_SUCCESS) {
+			srs_error("amf0 object read property_value failed. "
+				"name=%s, ret=%d", property_name.c_str(), ret);
+			return ret;
+		}
+		
+		// AMF0 Object EOF.
+		if (property_name.empty() || !property_value || property_value->is_object_eof()) {
+			if (property_value) {
+				srs_freep(property_value);
+			}
+			srs_info("amf0 read object EOF.");
+			break;
+		}
+		
+		// add property
+		value->set(property_name, property_value);
+	}
+	
+	return ret;
+}
+int srs_amf0_write_object(SrsStream* stream, SrsAmf0Object* value)
+{
+	int ret = ERROR_SUCCESS;
+
+	srs_assert(value != NULL);
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write object marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_1bytes(RTMP_AMF0_Object);
+	srs_verbose("amf0 write object marker success");
+	
+	// value
+	for (int i = 0; i < value->size(); i++) {
+		std::string name = value->key_at(i);
+		SrsAmf0Any* any = value->value_at(i);
+		
+		if ((ret = srs_amf0_write_utf8(stream, name)) != ERROR_SUCCESS) {
+			srs_error("write object property name failed. ret=%d", ret);
+			return ret;
+		}
+		
+		if ((ret = srs_amf0_write_any(stream, any)) != ERROR_SUCCESS) {
+			srs_error("write object property value failed. ret=%d", ret);
+			return ret;
+		}
+		
+		srs_verbose("write amf0 property success. name=%s", name.c_str());
+	}
+	
+	if ((ret = srs_amf0_write_object_eof(stream, &value->eof)) != ERROR_SUCCESS) {
+		srs_error("write object eof failed. ret=%d", ret);
+		return ret;
+	}
+	
+	srs_verbose("write amf0 object success.");
+	
+	return ret;
+}
+
+int srs_amf0_read_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray*& value)
+{
+	int ret = ERROR_SUCCESS;
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read ecma_array marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	char marker = stream->read_1bytes();
+	if (marker != RTMP_AMF0_EcmaArray) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 check ecma_array marker failed. "
+			"marker=%#x, required=%#x, ret=%d", marker, RTMP_AMF0_Object, ret);
+		return ret;
+	}
+	srs_verbose("amf0 read ecma_array marker success");
+
+	// count
+	if (!stream->require(4)) {
+		ret = ERROR_RTMP_AMF0_DECODE;
+		srs_error("amf0 read ecma_array count failed. ret=%d", ret);
+		return ret;
+	}
+	
+	int32_t count = stream->read_4bytes();
+	srs_verbose("amf0 read ecma_array count success. count=%d", count);
+	
+	// value
+	value = new SrsASrsAmf0EcmaArray();
+	value->count = count;
+
+	while (!stream->empty()) {
+		// property-name: utf8 string
+		std::string property_name;
+		if ((ret =srs_amf0_read_utf8(stream, property_name)) != ERROR_SUCCESS) {
+			srs_error("amf0 ecma_array read property name failed. ret=%d", ret);
+			return ret;
+		}
+		// property-value: any
+		SrsAmf0Any* property_value = NULL;
+		if ((ret = srs_amf0_read_any(stream, property_value)) != ERROR_SUCCESS) {
+			srs_error("amf0 ecma_array read property_value failed. "
+				"name=%s, ret=%d", property_name.c_str(), ret);
+			return ret;
+		}
+		
+		// AMF0 Object EOF.
+		if (property_name.empty() || !property_value || property_value->is_object_eof()) {
+			if (property_value) {
+				srs_freep(property_value);
+			}
+			srs_info("amf0 read ecma_array EOF.");
+			break;
+		}
+		
+		// add property
+		value->set(property_name, property_value);
+	}
+	
+	return ret;
+}
+int srs_amf0_write_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray* value)
+{
+	int ret = ERROR_SUCCESS;
+
+	srs_assert(value != NULL);
+	
+	// marker
+	if (!stream->require(1)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write ecma_array marker failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_1bytes(RTMP_AMF0_EcmaArray);
+	srs_verbose("amf0 write ecma_array marker success");
+
+	// count
+	if (!stream->require(4)) {
+		ret = ERROR_RTMP_AMF0_ENCODE;
+		srs_error("amf0 write ecma_array count failed. ret=%d", ret);
+		return ret;
+	}
+	
+	stream->write_4bytes(value->count);
+	srs_verbose("amf0 write ecma_array count success. count=%d", value->count);
+	
+	// value
+	for (int i = 0; i < value->size(); i++) {
+		std::string name = value->key_at(i);
+		SrsAmf0Any* any = value->value_at(i);
+		
+		if ((ret = srs_amf0_write_utf8(stream, name)) != ERROR_SUCCESS) {
+			srs_error("write ecma_array property name failed. ret=%d", ret);
+			return ret;
+		}
+		
+		if ((ret = srs_amf0_write_any(stream, any)) != ERROR_SUCCESS) {
+			srs_error("write ecma_array property value failed. ret=%d", ret);
+			return ret;
+		}
+		
+		srs_verbose("write amf0 property success. name=%s", name.c_str());
+	}
+	
+	if ((ret = srs_amf0_write_object_eof(stream, &value->eof)) != ERROR_SUCCESS) {
+		srs_error("write ecma_array eof failed. ret=%d", ret);
+		return ret;
+	}
+	
+	srs_verbose("write ecma_array object success.");
+	
+	return ret;
+}
+
+int srs_amf0_get_utf8_size(std::string value)
+{
+	return 2 + value.length();
+}
+
+int srs_amf0_get_string_size(std::string value)
+{
+	return 1 + srs_amf0_get_utf8_size(value);
+}
+
+int srs_amf0_get_number_size()
+{
+	return 1 + 8;
+}
+
+int srs_amf0_get_null_size()
+{
+	return 1;
+}
+
+int srs_amf0_get_undefined_size()
+{
+	return 1;
+}
+
+int srs_amf0_get_boolean_size()
+{
+	return 1 + 1;
+}
+
+int srs_amf0_get_object_size(SrsAmf0Object* obj)
+{
+	if (!obj) {
+		return 0;
+	}
+	
+	int size = 1;
+	
+	for (int i = 0; i < obj->size(); i++){
+		std::string name = obj->key_at(i);
+		SrsAmf0Any* value = obj->value_at(i);
+		
+		size += srs_amf0_get_utf8_size(name);
+		size += srs_amf0_get_any_size(value);
+	}
+	
+	size += srs_amf0_get_object_eof_size();
+	
+	return size;
+}
+
+int srs_amf0_get_ecma_array_size(SrsASrsAmf0EcmaArray* arr)
+{
+	if (!arr) {
+		return 0;
+	}
+	
+	int size = 1 + 4;
+	
+	for (int i = 0; i < arr->size(); i++){
+		std::string name = arr->key_at(i);
+		SrsAmf0Any* value = arr->value_at(i);
+		
+		size += srs_amf0_get_utf8_size(name);
+		size += srs_amf0_get_any_size(value);
+	}
+	
+	size += srs_amf0_get_object_eof_size();
+	
+	return size;
+}
+
+int srs_amf0_get_object_eof_size()
+{
+	return 2 + 1;
+}

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#ifndef SRS_CORE_AMF0_HPP
-#define SRS_CORE_AMF0_HPP
-
-/*
-#include <srs_core_amf0.hpp>
-*/
-
-#include <srs_core.hpp>
-
-#include <string>
-#include <vector>
-
-class SrsStream;
-class SrsAmf0Object;
-
-/**
-* any amf0 value.
-* 2.1 Types Overview
-* value-type = number-type | boolean-type | string-type | object-type 
-* 		| null-marker | undefined-marker | reference-type | ecma-array-type 
-* 		| strict-array-type | date-type | long-string-type | xml-document-type 
-* 		| typed-object-type
-*/
-struct SrsAmf0Any
-{
-	char marker;
-
-	SrsAmf0Any();
-	virtual ~SrsAmf0Any();
-	
-	virtual bool is_string();
-	virtual bool is_boolean();
-	virtual bool is_number();
-	virtual bool is_null();
-	virtual bool is_undefined();
-	virtual bool is_object();
-	virtual bool is_object_eof();
-	virtual bool is_ecma_array();
-};
-
-/**
-* read amf0 string from stream.
-* 2.4 String Type
-* string-type = string-marker UTF-8
-* @return default value is empty string.
-*/
-struct SrsAmf0String : public SrsAmf0Any
-{
-	std::string value;
-
-	SrsAmf0String(const char* _value = NULL);
-	virtual ~SrsAmf0String();
-};
-
-/**
-* read amf0 boolean from stream.
-* 2.4 String Type
-* boolean-type = boolean-marker U8
-* 		0 is false, <> 0 is true
-* @return default value is false.
-*/
-struct SrsAmf0Boolean : public SrsAmf0Any
-{
-	bool value;
-
-	SrsAmf0Boolean(bool _value = false);
-	virtual ~SrsAmf0Boolean();
-};
-
-/**
-* read amf0 number from stream.
-* 2.2 Number Type
-* number-type = number-marker DOUBLE
-* @return default value is 0.
-*/
-struct SrsAmf0Number : public SrsAmf0Any
-{
-	double value;
-
-	SrsAmf0Number(double _value = 0.0);
-	virtual ~SrsAmf0Number();
-};
-
-/**
-* read amf0 null from stream.
-* 2.7 null Type
-* null-type = null-marker
-*/
-struct SrsAmf0Null : public SrsAmf0Any
-{
-	SrsAmf0Null();
-	virtual ~SrsAmf0Null();
-};
-
-/**
-* read amf0 undefined from stream.
-* 2.8 undefined Type
-* undefined-type = undefined-marker
-*/
-struct SrsAmf0Undefined : public SrsAmf0Any
-{
-	SrsAmf0Undefined();
-	virtual ~SrsAmf0Undefined();
-};
-
-/**
-* 2.11 Object End Type
-* object-end-type = UTF-8-empty object-end-marker
-* 0x00 0x00 0x09
-*/
-struct SrsAmf0ObjectEOF : public SrsAmf0Any
-{
-	int16_t utf8_empty;
-
-	SrsAmf0ObjectEOF();
-	virtual ~SrsAmf0ObjectEOF();
-};
-
-/**
-* to ensure in inserted order.
-* for the FMLE will crash when AMF0Object is not ordered by inserted,
-* if ordered in map, the string compare order, the FMLE will creash when
-* get the response of connect app.
-*/
-struct SrsUnSortedHashtable
-{
-private:
-	typedef std::pair<std::string, SrsAmf0Any*> SrsObjectPropertyType;
-	std::vector<SrsObjectPropertyType> properties;
-public:
-	SrsUnSortedHashtable();
-	virtual ~SrsUnSortedHashtable();
-	
-	virtual int size();
-	virtual void clear();
-	virtual std::string key_at(int index);
-	virtual SrsAmf0Any* value_at(int index);
-	virtual void set(std::string key, SrsAmf0Any* value);
-	
-	virtual SrsAmf0Any* get_property(std::string name);
-	virtual SrsAmf0Any* ensure_property_string(std::string name);
-	virtual SrsAmf0Any* ensure_property_number(std::string name);
-};
-
-/**
-* 2.5 Object Type
-* anonymous-object-type = object-marker *(object-property)
-* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
-*/
-struct SrsAmf0Object : public SrsAmf0Any
-{
-private:
-	SrsUnSortedHashtable properties;
-public:
-	SrsAmf0ObjectEOF eof;
-
-	SrsAmf0Object();
-	virtual ~SrsAmf0Object();
-	
-	virtual int size();
-	virtual std::string key_at(int index);
-	virtual SrsAmf0Any* value_at(int index);
-	virtual void set(std::string key, SrsAmf0Any* value);
-
-	virtual SrsAmf0Any* get_property(std::string name);
-	virtual SrsAmf0Any* ensure_property_string(std::string name);
-	virtual SrsAmf0Any* ensure_property_number(std::string name);
-};
-
-/**
-* 2.10 ECMA Array Type
-* ecma-array-type = associative-count *(object-property)
-* associative-count = U32
-* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
-*/
-struct SrsASrsAmf0EcmaArray : public SrsAmf0Any
-{
-private:
-	SrsUnSortedHashtable properties;
-public:
-	int32_t count;
-	SrsAmf0ObjectEOF eof;
-
-	SrsASrsAmf0EcmaArray();
-	virtual ~SrsASrsAmf0EcmaArray();
-	
-	virtual int size();
-	virtual void clear();
-	virtual std::string key_at(int index);
-	virtual SrsAmf0Any* value_at(int index);
-	virtual void set(std::string key, SrsAmf0Any* value);
-
-	virtual SrsAmf0Any* get_property(std::string name);
-	virtual SrsAmf0Any* ensure_property_string(std::string name);
-};
-
-/**
-* read amf0 utf8 string from stream.
-* 1.3.1 Strings and UTF-8
-* UTF-8 = U16 *(UTF8-char)
-* UTF8-char = UTF8-1 | UTF8-2 | UTF8-3 | UTF8-4
-* UTF8-1 = %x00-7F
-* @remark only support UTF8-1 char.
-*/
-extern int srs_amf0_read_utf8(SrsStream* stream, std::string& value);
-extern int srs_amf0_write_utf8(SrsStream* stream, std::string value);
-
-/**
-* read amf0 string from stream.
-* 2.4 String Type
-* string-type = string-marker UTF-8
-*/
-extern int srs_amf0_read_string(SrsStream* stream, std::string& value);
-extern int srs_amf0_write_string(SrsStream* stream, std::string value);
-
-/**
-* read amf0 boolean from stream.
-* 2.4 String Type
-* boolean-type = boolean-marker U8
-* 		0 is false, <> 0 is true
-*/
-extern int srs_amf0_read_boolean(SrsStream* stream, bool& value);
-extern int srs_amf0_write_boolean(SrsStream* stream, bool value);
-
-/**
-* read amf0 number from stream.
-* 2.2 Number Type
-* number-type = number-marker DOUBLE
-*/
-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 undefined from stream.
-* 2.8 undefined Type
-* undefined-type = undefined-marker
-*/
-extern int srs_amf0_read_undefined(SrsStream* stream);
-extern int srs_amf0_write_undefined(SrsStream* stream);
-
-extern int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value);
-
-/**
-* read amf0 object from stream.
-* 2.5 Object Type
-* anonymous-object-type = object-marker *(object-property)
-* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
-*/
-extern int srs_amf0_read_object(SrsStream* stream, SrsAmf0Object*& value);
-extern int srs_amf0_write_object(SrsStream* stream, SrsAmf0Object* value);
-
-/**
-* read amf0 object from stream.
-* 2.10 ECMA Array Type
-* ecma-array-type = associative-count *(object-property)
-* associative-count = U32
-* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
-*/
-extern int srs_amf0_read_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray*& value);
-extern int srs_amf0_write_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray* value);
-
-/**
-* get amf0 objects size.
-*/
-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_undefined_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);
-
-/**
-* convert the any to specified object.
-* @return T*, the converted object. never NULL.
-* @remark, user must ensure the current object type, 
-* 		or the covert will cause assert failed.
-*/
-template<class T>
-T* srs_amf0_convert(SrsAmf0Any* any)
-{
-	T* p = dynamic_cast<T*>(any);
-	srs_assert(p != NULL);
-	return p;
-}
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_AMF0_HPP
+#define SRS_CORE_AMF0_HPP
+
+/*
+#include <srs_core_amf0.hpp>
+*/
+
+#include <srs_core.hpp>
+
+#include <string>
+#include <vector>
+
+class SrsStream;
+class SrsAmf0Object;
+
+/**
+* any amf0 value.
+* 2.1 Types Overview
+* value-type = number-type | boolean-type | string-type | object-type 
+* 		| null-marker | undefined-marker | reference-type | ecma-array-type 
+* 		| strict-array-type | date-type | long-string-type | xml-document-type 
+* 		| typed-object-type
+*/
+struct SrsAmf0Any
+{
+	char marker;
+
+	SrsAmf0Any();
+	virtual ~SrsAmf0Any();
+	
+	virtual bool is_string();
+	virtual bool is_boolean();
+	virtual bool is_number();
+	virtual bool is_null();
+	virtual bool is_undefined();
+	virtual bool is_object();
+	virtual bool is_object_eof();
+	virtual bool is_ecma_array();
+};
+
+/**
+* read amf0 string from stream.
+* 2.4 String Type
+* string-type = string-marker UTF-8
+* @return default value is empty string.
+*/
+struct SrsAmf0String : public SrsAmf0Any
+{
+	std::string value;
+
+	SrsAmf0String(const char* _value = NULL);
+	virtual ~SrsAmf0String();
+};
+
+/**
+* read amf0 boolean from stream.
+* 2.4 String Type
+* boolean-type = boolean-marker U8
+* 		0 is false, <> 0 is true
+* @return default value is false.
+*/
+struct SrsAmf0Boolean : public SrsAmf0Any
+{
+	bool value;
+
+	SrsAmf0Boolean(bool _value = false);
+	virtual ~SrsAmf0Boolean();
+};
+
+/**
+* read amf0 number from stream.
+* 2.2 Number Type
+* number-type = number-marker DOUBLE
+* @return default value is 0.
+*/
+struct SrsAmf0Number : public SrsAmf0Any
+{
+	double value;
+
+	SrsAmf0Number(double _value = 0.0);
+	virtual ~SrsAmf0Number();
+};
+
+/**
+* read amf0 null from stream.
+* 2.7 null Type
+* null-type = null-marker
+*/
+struct SrsAmf0Null : public SrsAmf0Any
+{
+	SrsAmf0Null();
+	virtual ~SrsAmf0Null();
+};
+
+/**
+* read amf0 undefined from stream.
+* 2.8 undefined Type
+* undefined-type = undefined-marker
+*/
+struct SrsAmf0Undefined : public SrsAmf0Any
+{
+	SrsAmf0Undefined();
+	virtual ~SrsAmf0Undefined();
+};
+
+/**
+* 2.11 Object End Type
+* object-end-type = UTF-8-empty object-end-marker
+* 0x00 0x00 0x09
+*/
+struct SrsAmf0ObjectEOF : public SrsAmf0Any
+{
+	int16_t utf8_empty;
+
+	SrsAmf0ObjectEOF();
+	virtual ~SrsAmf0ObjectEOF();
+};
+
+/**
+* to ensure in inserted order.
+* for the FMLE will crash when AMF0Object is not ordered by inserted,
+* if ordered in map, the string compare order, the FMLE will creash when
+* get the response of connect app.
+*/
+struct SrsUnSortedHashtable
+{
+private:
+	typedef std::pair<std::string, SrsAmf0Any*> SrsObjectPropertyType;
+	std::vector<SrsObjectPropertyType> properties;
+public:
+	SrsUnSortedHashtable();
+	virtual ~SrsUnSortedHashtable();
+	
+	virtual int size();
+	virtual void clear();
+	virtual std::string key_at(int index);
+	virtual SrsAmf0Any* value_at(int index);
+	virtual void set(std::string key, SrsAmf0Any* value);
+	
+	virtual SrsAmf0Any* get_property(std::string name);
+	virtual SrsAmf0Any* ensure_property_string(std::string name);
+	virtual SrsAmf0Any* ensure_property_number(std::string name);
+};
+
+/**
+* 2.5 Object Type
+* anonymous-object-type = object-marker *(object-property)
+* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
+*/
+struct SrsAmf0Object : public SrsAmf0Any
+{
+private:
+	SrsUnSortedHashtable properties;
+public:
+	SrsAmf0ObjectEOF eof;
+
+	SrsAmf0Object();
+	virtual ~SrsAmf0Object();
+	
+	virtual int size();
+	virtual std::string key_at(int index);
+	virtual SrsAmf0Any* value_at(int index);
+	virtual void set(std::string key, SrsAmf0Any* value);
+
+	virtual SrsAmf0Any* get_property(std::string name);
+	virtual SrsAmf0Any* ensure_property_string(std::string name);
+	virtual SrsAmf0Any* ensure_property_number(std::string name);
+};
+
+/**
+* 2.10 ECMA Array Type
+* ecma-array-type = associative-count *(object-property)
+* associative-count = U32
+* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
+*/
+struct SrsASrsAmf0EcmaArray : public SrsAmf0Any
+{
+private:
+	SrsUnSortedHashtable properties;
+public:
+	int32_t count;
+	SrsAmf0ObjectEOF eof;
+
+	SrsASrsAmf0EcmaArray();
+	virtual ~SrsASrsAmf0EcmaArray();
+	
+	virtual int size();
+	virtual void clear();
+	virtual std::string key_at(int index);
+	virtual SrsAmf0Any* value_at(int index);
+	virtual void set(std::string key, SrsAmf0Any* value);
+
+	virtual SrsAmf0Any* get_property(std::string name);
+	virtual SrsAmf0Any* ensure_property_string(std::string name);
+};
+
+/**
+* read amf0 utf8 string from stream.
+* 1.3.1 Strings and UTF-8
+* UTF-8 = U16 *(UTF8-char)
+* UTF8-char = UTF8-1 | UTF8-2 | UTF8-3 | UTF8-4
+* UTF8-1 = %x00-7F
+* @remark only support UTF8-1 char.
+*/
+extern int srs_amf0_read_utf8(SrsStream* stream, std::string& value);
+extern int srs_amf0_write_utf8(SrsStream* stream, std::string value);
+
+/**
+* read amf0 string from stream.
+* 2.4 String Type
+* string-type = string-marker UTF-8
+*/
+extern int srs_amf0_read_string(SrsStream* stream, std::string& value);
+extern int srs_amf0_write_string(SrsStream* stream, std::string value);
+
+/**
+* read amf0 boolean from stream.
+* 2.4 String Type
+* boolean-type = boolean-marker U8
+* 		0 is false, <> 0 is true
+*/
+extern int srs_amf0_read_boolean(SrsStream* stream, bool& value);
+extern int srs_amf0_write_boolean(SrsStream* stream, bool value);
+
+/**
+* read amf0 number from stream.
+* 2.2 Number Type
+* number-type = number-marker DOUBLE
+*/
+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 undefined from stream.
+* 2.8 undefined Type
+* undefined-type = undefined-marker
+*/
+extern int srs_amf0_read_undefined(SrsStream* stream);
+extern int srs_amf0_write_undefined(SrsStream* stream);
+
+extern int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value);
+
+/**
+* read amf0 object from stream.
+* 2.5 Object Type
+* anonymous-object-type = object-marker *(object-property)
+* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
+*/
+extern int srs_amf0_read_object(SrsStream* stream, SrsAmf0Object*& value);
+extern int srs_amf0_write_object(SrsStream* stream, SrsAmf0Object* value);
+
+/**
+* read amf0 object from stream.
+* 2.10 ECMA Array Type
+* ecma-array-type = associative-count *(object-property)
+* associative-count = U32
+* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
+*/
+extern int srs_amf0_read_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray*& value);
+extern int srs_amf0_write_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray* value);
+
+/**
+* get amf0 objects size.
+*/
+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_undefined_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);
+
+/**
+* convert the any to specified object.
+* @return T*, the converted object. never NULL.
+* @remark, user must ensure the current object type, 
+* 		or the covert will cause assert failed.
+*/
+template<class T>
+T* srs_amf0_convert(SrsAmf0Any* any)
+{
+	T* p = dynamic_cast<T*>(any);
+	srs_assert(p != NULL);
+	return p;
+}
+
 #endif
 #endif

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core_autofree.hpp>
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_autofree.hpp>

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#ifndef SRS_CORE_AUTO_FREE_HPP
-#define SRS_CORE_AUTO_FREE_HPP
-
-/*
-#include <srs_core_autofree.hpp>
-*/
-
-#include <srs_core.hpp>
-
-/**
-* auto free the instance in the current scope.
-*/
-#define SrsAutoFree(className, instance, is_array) \
-	__SrsAutoFree<className> _auto_free_##instance(&instance, is_array)
-    
-template<class T>
-class __SrsAutoFree
-{
-private:
-    T** ptr;
-    bool is_array;
-public:
-    /**
-    * auto delete the ptr.
-    * @is_array a bool value indicates whether the ptr is a array.
-    */
-    __SrsAutoFree(T** _ptr, bool _is_array){
-        ptr = _ptr;
-        is_array = _is_array;
-    }
-    
-    virtual ~__SrsAutoFree(){
-        if (ptr == NULL || *ptr == NULL) {
-            return;
-        }
-        
-        if (is_array) {
-            delete[] *ptr;
-        } else {
-            delete *ptr;
-        }
-        
-        *ptr = NULL;
-    }
-};
-
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_AUTO_FREE_HPP
+#define SRS_CORE_AUTO_FREE_HPP
+
+/*
+#include <srs_core_autofree.hpp>
+*/
+
+#include <srs_core.hpp>
+
+/**
+* auto free the instance in the current scope.
+*/
+#define SrsAutoFree(className, instance, is_array) \
+	__SrsAutoFree<className> _auto_free_##instance(&instance, is_array)
+    
+template<class T>
+class __SrsAutoFree
+{
+private:
+    T** ptr;
+    bool is_array;
+public:
+    /**
+    * auto delete the ptr.
+    * @is_array a bool value indicates whether the ptr is a array.
+    */
+    __SrsAutoFree(T** _ptr, bool _is_array){
+        ptr = _ptr;
+        is_array = _is_array;
+    }
+    
+    virtual ~__SrsAutoFree(){
+        if (ptr == NULL || *ptr == NULL) {
+            return;
+        }
+        
+        if (is_array) {
+            delete[] *ptr;
+        } else {
+            delete *ptr;
+        }
+        
+        *ptr = NULL;
+    }
+};
+
+
 #endif
 #endif

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core_buffer.hpp>
-
-#include <srs_core_error.hpp>
-#include <srs_core_socket.hpp>
-#include <srs_core_log.hpp>
-
-#define SOCKET_READ_SIZE 4096
-
-SrsBuffer::SrsBuffer()
-{
-}
-
-SrsBuffer::~SrsBuffer()
-{
-}
-
-int SrsBuffer::size()
-{
-	return (int)data.size();
-}
-
-char* SrsBuffer::bytes()
-{
-	return &data.at(0);
-}
-
-void SrsBuffer::erase(int size)
-{
-	data.erase(data.begin(), data.begin() + size);
-}
-
-void SrsBuffer::append(char* bytes, int size)
-{
-	data.insert(data.end(), bytes, bytes + size);
-}
-
-int SrsBuffer::ensure_buffer_bytes(SrsSocket* skt, int required_size)
-{
-	int ret = ERROR_SUCCESS;
-
-	if (required_size < 0) {
-		ret = ERROR_SYSTEM_SIZE_NEGATIVE;
-		srs_error("size is negative. size=%d, ret=%d", required_size, ret);
-		return ret;
-	}
-
-	while (size() < required_size) {
-		char buffer[SOCKET_READ_SIZE];
-		
-		ssize_t nread;
-		if ((ret = skt->read(buffer, SOCKET_READ_SIZE, &nread)) != ERROR_SUCCESS) {
-			return ret;
-		}
-		
-		srs_assert((int)nread > 0);
-		append(buffer, (int)nread);
-	}
-	
-	return ret;
-}
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_buffer.hpp>
+
+#include <srs_core_error.hpp>
+#include <srs_core_socket.hpp>
+#include <srs_core_log.hpp>
+
+#define SOCKET_READ_SIZE 4096
+
+SrsBuffer::SrsBuffer()
+{
+}
+
+SrsBuffer::~SrsBuffer()
+{
+}
+
+int SrsBuffer::size()
+{
+	return (int)data.size();
+}
+
+char* SrsBuffer::bytes()
+{
+	return &data.at(0);
+}
+
+void SrsBuffer::erase(int size)
+{
+	data.erase(data.begin(), data.begin() + size);
+}
+
+void SrsBuffer::append(char* bytes, int size)
+{
+	data.insert(data.end(), bytes, bytes + size);
+}
+
+int SrsBuffer::ensure_buffer_bytes(SrsSocket* skt, int required_size)
+{
+	int ret = ERROR_SUCCESS;
+
+	if (required_size < 0) {
+		ret = ERROR_SYSTEM_SIZE_NEGATIVE;
+		srs_error("size is negative. size=%d, ret=%d", required_size, ret);
+		return ret;
+	}
+
+	while (size() < required_size) {
+		char buffer[SOCKET_READ_SIZE];
+		
+		ssize_t nread;
+		if ((ret = skt->read(buffer, SOCKET_READ_SIZE, &nread)) != ERROR_SUCCESS) {
+			return ret;
+		}
+		
+		srs_assert((int)nread > 0);
+		append(buffer, (int)nread);
+	}
+	
+	return ret;
+}
+

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#ifndef SRS_CORE_BUFFER_HPP
-#define SRS_CORE_BUFFER_HPP
-
-/*
-#include <srs_core_buffer.hpp>
-*/
-
-#include <srs_core.hpp>
-
-#include <vector>
-
-class SrsSocket;
-
-/**
-* the buffer provices bytes cache for protocol. generally, 
-* protocol recv data from socket, put into buffer, decode to RTMP message.
-* protocol encode RTMP message to bytes, put into buffer, send to socket.
-*/
-class SrsBuffer
-{
-private:
-	std::vector<char> data;
-public:
-	SrsBuffer();
-	virtual ~SrsBuffer();
-public:
-	virtual int size();
-	virtual char* bytes();
-	virtual void erase(int size);
-private:
-	virtual void append(char* bytes, int size);
-public:
-	virtual int ensure_buffer_bytes(SrsSocket* skt, int required_size);
-};
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_BUFFER_HPP
+#define SRS_CORE_BUFFER_HPP
+
+/*
+#include <srs_core_buffer.hpp>
+*/
+
+#include <srs_core.hpp>
+
+#include <vector>
+
+class SrsSocket;
+
+/**
+* the buffer provices bytes cache for protocol. generally, 
+* protocol recv data from socket, put into buffer, decode to RTMP message.
+* protocol encode RTMP message to bytes, put into buffer, send to socket.
+*/
+class SrsBuffer
+{
+private:
+	std::vector<char> data;
+public:
+	SrsBuffer();
+	virtual ~SrsBuffer();
+public:
+	virtual int size();
+	virtual char* bytes();
+	virtual void erase(int size);
+private:
+	virtual void append(char* bytes, int size);
+public:
+	virtual int ensure_buffer_bytes(SrsSocket* skt, int required_size);
+};
+
 #endif
 #endif

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013 winlin
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <srs_core_client.hpp>
-
-#include <arpa/inet.h>
-#include <stdlib.h>
-
-#include <srs_core_error.hpp>
-#include <srs_core_log.hpp>
-#include <srs_core_rtmp.hpp>
-#include <srs_core_protocol.hpp>
-#include <srs_core_autofree.hpp>
-#include <srs_core_source.hpp>
-#include <srs_core_server.hpp>
-#include <srs_core_pithy_print.hpp>
-#include <srs_core_config.hpp>
-#include <srs_core_refer.hpp>
-
-#define SRS_PULSE_TIMEOUT_MS 100
-#define SRS_SEND_TIMEOUT_MS 5000000L
-#define SRS_RECV_TIMEOUT_MS SRS_SEND_TIMEOUT_MS
-
-SrsClient::SrsClient(SrsServer* srs_server, st_netfd_t client_stfd)
-	: SrsConnection(srs_server, client_stfd)
-{
-	ip = NULL;
-	req = new SrsRequest();
-	res = new SrsResponse();
-	rtmp = new SrsRtmp(client_stfd);
-	refer = new SrsRefer();
-}
-
-SrsClient::~SrsClient()
-{
-	srs_freepa(ip);
-	srs_freep(req);
-	srs_freep(res);
-	srs_freep(rtmp);
-	srs_freep(refer);
-}
-
-int SrsClient::do_cycle()
-{
-	int ret = ERROR_SUCCESS;
-	
-	if ((ret = get_peer_ip()) != ERROR_SUCCESS) {
-		srs_error("get peer ip failed. ret=%d", ret);
-		return ret;
-	}
-	srs_trace("get peer ip success. ip=%s, send_to=%"PRId64", recv_to=%"PRId64"", 
-		ip, SRS_SEND_TIMEOUT_MS, SRS_RECV_TIMEOUT_MS);
-
-	rtmp->set_recv_timeout(SRS_RECV_TIMEOUT_MS * 1000);
-	rtmp->set_send_timeout(SRS_SEND_TIMEOUT_MS * 1000);
-	
-	if ((ret = rtmp->handshake()) != ERROR_SUCCESS) {
-		srs_error("rtmp handshake failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("rtmp handshake success");
-	
-	if ((ret = rtmp->connect_app(req)) != ERROR_SUCCESS) {
-		srs_error("rtmp connect vhost/app failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("rtmp connect app success");
-	
-	if ((ret = check_vhost()) != ERROR_SUCCESS) {
-		srs_error("check vhost failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("check vhost success.");
-	
-	srs_trace("rtmp connect app success. "
-		"tcUrl=%s, pageUrl=%s, swfUrl=%s, schema=%s, vhost=%s, port=%s, app=%s", 
-		req->tcUrl.c_str(), req->pageUrl.c_str(), req->swfUrl.c_str(), 
-		req->schema.c_str(), req->vhost.c_str(), req->port.c_str(),
-		req->app.c_str());
-	
-	if ((ret = refer->check(req->pageUrl, config->get_refer(req->vhost))) != ERROR_SUCCESS) {
-		srs_error("check refer failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("check refer success.");
-		
-	if ((ret = rtmp->set_window_ack_size(2.5 * 1000 * 1000)) != ERROR_SUCCESS) {
-		srs_error("set window acknowledgement size failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("set window acknowledgement size success");
-		
-	if ((ret = rtmp->set_peer_bandwidth(2.5 * 1000 * 1000, 2)) != ERROR_SUCCESS) {
-		srs_error("set peer bandwidth failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("set peer bandwidth success");
-		
-	if ((ret = rtmp->response_connect_app(req)) != ERROR_SUCCESS) {
-		srs_error("response connect app failed. ret=%d", ret);
-		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;
-	if ((ret = rtmp->identify_client(res->stream_id, type, req->stream)) != ERROR_SUCCESS) {
-		srs_error("identify client failed. ret=%d", ret);
-		return ret;
-	}
-	req->strip();
-	srs_trace("identify client success. type=%d, stream_name=%s", type, req->stream.c_str());
-	
-	int chunk_size = 4096;
-	SrsConfDirective* conf = config->get_chunk_size();
-	if (conf && !conf->arg0().empty()) {
-		chunk_size = ::atoi(conf->arg0().c_str());
-	}
-	if ((ret = rtmp->set_chunk_size(chunk_size)) != ERROR_SUCCESS) {
-		srs_error("set chunk_size=%d failed. ret=%d", chunk_size, ret);
-		return ret;
-	}
-	srs_trace("set chunk_size=%d success", chunk_size);
-	
-	// find a source to publish.
-	SrsSource* source = SrsSource::find(req->get_stream_url());
-	srs_assert(source != NULL);
-	
-	bool enabled_cache = true;
-	conf = config->get_gop_cache(req->vhost);
-	if (conf && conf->arg0() == "off") {
-		enabled_cache = false;
-	}
-	source->set_cache(enabled_cache);
-
-	srs_info("source found, url=%s, enabled_cache=%d", req->get_stream_url().c_str(), enabled_cache);
-	
-	switch (type) {
-		case SrsClientPlay: {
-			srs_verbose("start to play stream %s.", req->stream.c_str());
-			
-			if ((ret = rtmp->start_play(res->stream_id)) != ERROR_SUCCESS) {
-				srs_error("start to play stream failed. ret=%d", ret);
-				return ret;
-			}
-			srs_info("start to play stream %s success", req->stream.c_str());
-			return playing(source);
-		}
-		case SrsClientFMLEPublish: {
-			srs_verbose("FMLE start to publish stream %s.", req->stream.c_str());
-			
-			if ((ret = rtmp->start_fmle_publish(res->stream_id)) != ERROR_SUCCESS) {
-				srs_error("start to publish stream failed. ret=%d", ret);
-				return ret;
-			}
-			srs_info("start to publish stream %s success", req->stream.c_str());
-			ret = publish(source, true);
-			source->on_unpublish();
-			return ret;
-		}
-		case SrsClientFlashPublish: {
-			srs_verbose("flash start to publish stream %s.", req->stream.c_str());
-			
-			if ((ret = rtmp->start_flash_publish(res->stream_id)) != ERROR_SUCCESS) {
-				srs_error("flash start to publish stream failed. ret=%d", ret);
-				return ret;
-			}
-			srs_info("flash start to publish stream %s success", req->stream.c_str());
-			ret = publish(source, false);
-			source->on_unpublish();
-			return ret;
-		}
-		default: {
-			ret = ERROR_SYSTEM_CLIENT_INVALID;
-			srs_info("invalid client type=%d. ret=%d", type, ret);
-			return ret;
-		}
-	}
-	
-	return ret;
-}
-
-int SrsClient::check_vhost()
-{
-	int ret = ERROR_SUCCESS;
-	
-	srs_assert(req != NULL);
-	
-	SrsConfDirective* vhost = config->get_vhost(req->vhost);
-	if (vhost == NULL) {
-		ret = ERROR_RTMP_VHOST_NOT_FOUND;
-		srs_error("vhost %s not found. ret=%d", req->vhost.c_str(), ret);
-		return ret;
-	}
-	
-	SrsConfDirective* conf = NULL;
-	if ((conf = vhost->get(RTMP_VHOST_ENABLED)) != NULL && conf->arg0() != "on") {
-		ret = ERROR_RTMP_VHOST_NOT_FOUND;
-		srs_error("vhost %s disabled. ret=%d", req->vhost.c_str(), ret);
-		return ret;
-	}
-	
-	if (req->vhost != vhost->arg0()) {
-		srs_trace("vhost change from %s to %s", req->vhost.c_str(), vhost->arg0().c_str());
-		req->vhost = vhost->arg0();
-	}
-	
-	return ret;
-}
-
-int SrsClient::playing(SrsSource* source)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if ((ret = refer->check(req->pageUrl, config->get_refer_play(req->vhost))) != ERROR_SUCCESS) {
-		srs_error("check play_refer failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("check play_refer success.");
-	
-	SrsConsumer* consumer = NULL;
-	if ((ret = source->create_consumer(consumer)) != ERROR_SUCCESS) {
-		srs_error("create consumer failed. ret=%d", ret);
-		return ret;
-	}
-	
-	srs_assert(consumer != NULL);
-	SrsAutoFree(SrsConsumer, consumer, false);
-	srs_verbose("consumer created success.");
-	
-	rtmp->set_recv_timeout(SRS_PULSE_TIMEOUT_MS * 1000);
-	
-	SrsPithyPrint pithy_print(SRS_STAGE_PLAY_USER);
-
-	while (true) {
-		pithy_print.elapse(SRS_PULSE_TIMEOUT_MS);
-		
-		// switch to other st-threads.
-		st_usleep(0);
-
-		// read from client.
-		int ctl_msg_ret = ERROR_SUCCESS;
-		if (true) {
-			SrsCommonMessage* msg = NULL;
-			ctl_msg_ret = ret = rtmp->recv_message(&msg);
-			
-			srs_verbose("play loop recv message. ret=%d", ret);
-			if (ret != ERROR_SUCCESS && ret != ERROR_SOCKET_TIMEOUT) {
-				srs_error("recv client control message failed. ret=%d", ret);
-				return ret;
-			}
-			if ((ret = process_play_control_msg(consumer, msg)) != ERROR_SUCCESS) {
-				srs_error("process play control message failed. ret=%d", ret);
-				return ret;
-			}
-		}
-		
-		// get messages from consumer.
-		SrsSharedPtrMessage** msgs = NULL;
-		int count = 0;
-		if ((ret = consumer->get_packets(0, msgs, count)) != ERROR_SUCCESS) {
-			srs_error("get messages from consumer failed. ret=%d", ret);
-			return ret;
-		}
-
-		// reportable
-		if (pithy_print.can_print()) {
-			srs_trace("-> clock=%u, time=%"PRId64", cmr=%d, msgs=%d, obytes=%"PRId64", ibytes=%"PRId64", okbps=%d, ikbps=%d", 
-				(int)(srs_get_system_time_ms()/1000), pithy_print.get_age(), ctl_msg_ret, count, rtmp->get_send_bytes(), rtmp->get_recv_bytes(), rtmp->get_send_kbps(), rtmp->get_recv_kbps());
-		}
-		
-		if (count <= 0) {
-			srs_verbose("no packets in queue.");
-			continue;
-		}
-		SrsAutoFree(SrsSharedPtrMessage*, msgs, true);
-		
-		// sendout messages
-		for (int i = 0; i < count; i++) {
-			SrsSharedPtrMessage* msg = msgs[i];
-			
-			// the send_message will free the msg, 
-			// so set the msgs[i] to NULL.
-			msgs[i] = NULL;
-			
-			if ((ret = rtmp->send_message(msg)) != ERROR_SUCCESS) {
-				srs_error("send message to client failed. ret=%d", ret);
-				return ret;
-			}
-		}
-	}
-	
-	return ret;
-}
-
-int SrsClient::publish(SrsSource* source, bool is_fmle)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if ((ret = refer->check(req->pageUrl, config->get_refer_publish(req->vhost))) != ERROR_SUCCESS) {
-		srs_error("check publish_refer failed. ret=%d", ret);
-		return ret;
-	}
-	srs_verbose("check publish_refer success.");
-	
-	SrsPithyPrint pithy_print(SRS_STAGE_PUBLISH_USER);
-	
-	while (true) {
-		// switch to other st-threads.
-		st_usleep(0);
-		
-		SrsCommonMessage* msg = NULL;
-		if ((ret = rtmp->recv_message(&msg)) != ERROR_SUCCESS) {
-			srs_error("recv identify client message failed. ret=%d", ret);
-			return ret;
-		}
-
-		SrsAutoFree(SrsCommonMessage, msg, false);
-		
-		pithy_print.set_age(msg->header.timestamp);
-
-		// reportable
-		if (pithy_print.can_print()) {
-			srs_trace("<- clock=%u, time=%"PRId64", obytes=%"PRId64", ibytes=%"PRId64", okbps=%d, ikbps=%d", 
-				(int)(srs_get_system_time_ms()/1000), pithy_print.get_age(), rtmp->get_send_bytes(), rtmp->get_recv_bytes(), rtmp->get_send_kbps(), rtmp->get_recv_kbps());
-		}
-		
-		// process audio packet
-		if (msg->header.is_audio() && ((ret = source->on_audio(msg)) != ERROR_SUCCESS)) {
-			srs_error("process audio message failed. ret=%d", ret);
-			return ret;
-		}
-		// process video packet
-		if (msg->header.is_video() && ((ret = source->on_video(msg)) != ERROR_SUCCESS)) {
-			srs_error("process video message failed. ret=%d", ret);
-			return ret;
-		}
-		
-		// process onMetaData
-		if (msg->header.is_amf0_data() || msg->header.is_amf3_data()) {
-			if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
-				srs_error("decode onMetaData message failed. ret=%d", ret);
-				return ret;
-			}
-		
-			SrsPacket* pkt = msg->get_packet();
-			if (dynamic_cast<SrsOnMetaDataPacket*>(pkt)) {
-				SrsOnMetaDataPacket* metadata = dynamic_cast<SrsOnMetaDataPacket*>(pkt);
-				if ((ret = source->on_meta_data(msg, metadata)) != ERROR_SUCCESS) {
-					srs_error("process onMetaData message failed. ret=%d", ret);
-					return ret;
-				}
-				srs_trace("process onMetaData message success.");
-				continue;
-			}
-			
-			srs_trace("ignore AMF0/AMF3 data message.");
-			continue;
-		}
-		
-		// process UnPublish event.
-		if (msg->header.is_amf0_command() || msg->header.is_amf3_command()) {
-			if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
-				srs_error("decode unpublish message failed. ret=%d", ret);
-				return ret;
-			}
-			
-			// flash unpublish.
-			if (!is_fmle) {
-				srs_trace("flash publish finished.");
-				return ret;
-			}
-		
-			SrsPacket* pkt = msg->get_packet();
-			if (dynamic_cast<SrsFMLEStartPacket*>(pkt)) {
-				SrsFMLEStartPacket* unpublish = dynamic_cast<SrsFMLEStartPacket*>(pkt);
-				return rtmp->fmle_unpublish(res->stream_id, unpublish->transaction_id);
-			}
-			
-			srs_trace("ignore AMF0/AMF3 command message.");
-			continue;
-		}
-	}
-	
-	return ret;
-}
-
-int SrsClient::get_peer_ip()
-{
-	int ret = ERROR_SUCCESS;
-	
-    int fd = st_netfd_fileno(stfd);
-    
-    // discovery client information
-    sockaddr_in addr;
-    socklen_t addrlen = sizeof(addr);
-    if (getpeername(fd, (sockaddr*)&addr, &addrlen) == -1) {
-        ret = ERROR_SOCKET_GET_PEER_NAME;
-        srs_error("discovery client information failed. ret=%d", ret);
-        return ret;
-    }
-    srs_verbose("get peer name success.");
-
-    // ip v4 or v6
-    char buf[INET6_ADDRSTRLEN];
-    memset(buf, 0, sizeof(buf));
-    
-    if ((inet_ntop(addr.sin_family, &addr.sin_addr, buf, sizeof(buf))) == NULL) {
-        ret = ERROR_SOCKET_GET_PEER_IP;
-        srs_error("convert client information failed. ret=%d", ret);
-        return ret;
-    }
-    srs_verbose("get peer ip of client ip=%s, fd=%d", buf, fd);
-    
-    ip = new char[strlen(buf) + 1];
-    strcpy(ip, buf);
-    
-    srs_verbose("get peer ip success. ip=%s, fd=%d", ip, fd);
-    
-    return ret;
-}
-
-int SrsClient::process_play_control_msg(SrsConsumer* consumer, SrsCommonMessage* msg)
-{
-	int ret = ERROR_SUCCESS;
-	
-	if (!msg) {
-		srs_verbose("ignore all empty message.");
-		return ret;
-	}
-	SrsAutoFree(SrsCommonMessage, msg, false);
-	
-	if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
-		srs_info("ignore all message except amf0/amf3 command.");
-		return ret;
-	}
-	
-	if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
-		srs_error("decode the amf0/amf3 command packet failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("decode the amf0/amf3 command packet success.");
-	
-	SrsPausePacket* pause = dynamic_cast<SrsPausePacket*>(msg->get_packet());
-	if (!pause) {
-		srs_info("ignore all amf0/amf3 command except pause.");
-		return ret;
-	}
-	
-	if ((ret = rtmp->on_play_client_pause(res->stream_id, pause->is_pause)) != ERROR_SUCCESS) {
-		srs_error("rtmp process play client pause failed. ret=%d", ret);
-		return ret;
-	}
-	
-	if ((ret = consumer->on_play_client_pause(pause->is_pause)) != ERROR_SUCCESS) {
-		srs_error("consumer process play client pause failed. ret=%d", ret);
-		return ret;
-	}
-	srs_info("process pause success, is_pause=%d, time=%d.", pause->is_pause, pause->time_ms);
-	
-    return ret;
-}
-
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_client.hpp>
+
+#include <arpa/inet.h>
+#include <stdlib.h>
+
+#include <srs_core_error.hpp>
+#include <srs_core_log.hpp>
+#include <srs_core_rtmp.hpp>
+#include <srs_core_protocol.hpp>
+#include <srs_core_autofree.hpp>
+#include <srs_core_source.hpp>
+#include <srs_core_server.hpp>
+#include <srs_core_pithy_print.hpp>
+#include <srs_core_config.hpp>
+#include <srs_core_refer.hpp>
+
+#define SRS_PULSE_TIMEOUT_MS 100
+#define SRS_SEND_TIMEOUT_MS 5000000L
+#define SRS_RECV_TIMEOUT_MS SRS_SEND_TIMEOUT_MS
+
+SrsClient::SrsClient(SrsServer* srs_server, st_netfd_t client_stfd)
+	: SrsConnection(srs_server, client_stfd)
+{
+	ip = NULL;
+	req = new SrsRequest();
+	res = new SrsResponse();
+	rtmp = new SrsRtmp(client_stfd);
+	refer = new SrsRefer();
+}
+
+SrsClient::~SrsClient()
+{
+	srs_freepa(ip);
+	srs_freep(req);
+	srs_freep(res);
+	srs_freep(rtmp);
+	srs_freep(refer);
+}
+
+int SrsClient::do_cycle()
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = get_peer_ip()) != ERROR_SUCCESS) {
+		srs_error("get peer ip failed. ret=%d", ret);
+		return ret;
+	}
+	srs_trace("get peer ip success. ip=%s, send_to=%"PRId64", recv_to=%"PRId64"", 
+		ip, SRS_SEND_TIMEOUT_MS, SRS_RECV_TIMEOUT_MS);
+
+	rtmp->set_recv_timeout(SRS_RECV_TIMEOUT_MS * 1000);
+	rtmp->set_send_timeout(SRS_SEND_TIMEOUT_MS * 1000);
+	
+	if ((ret = rtmp->handshake()) != ERROR_SUCCESS) {
+		srs_error("rtmp handshake failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("rtmp handshake success");
+	
+	if ((ret = rtmp->connect_app(req)) != ERROR_SUCCESS) {
+		srs_error("rtmp connect vhost/app failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("rtmp connect app success");
+	
+	if ((ret = check_vhost()) != ERROR_SUCCESS) {
+		srs_error("check vhost failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check vhost success.");
+	
+	srs_trace("rtmp connect app success. "
+		"tcUrl=%s, pageUrl=%s, swfUrl=%s, schema=%s, vhost=%s, port=%s, app=%s", 
+		req->tcUrl.c_str(), req->pageUrl.c_str(), req->swfUrl.c_str(), 
+		req->schema.c_str(), req->vhost.c_str(), req->port.c_str(),
+		req->app.c_str());
+	
+	if ((ret = refer->check(req->pageUrl, config->get_refer(req->vhost))) != ERROR_SUCCESS) {
+		srs_error("check refer failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check refer success.");
+		
+	if ((ret = rtmp->set_window_ack_size(2.5 * 1000 * 1000)) != ERROR_SUCCESS) {
+		srs_error("set window acknowledgement size failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("set window acknowledgement size success");
+		
+	if ((ret = rtmp->set_peer_bandwidth(2.5 * 1000 * 1000, 2)) != ERROR_SUCCESS) {
+		srs_error("set peer bandwidth failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("set peer bandwidth success");
+		
+	if ((ret = rtmp->response_connect_app(req)) != ERROR_SUCCESS) {
+		srs_error("response connect app failed. ret=%d", ret);
+		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;
+	if ((ret = rtmp->identify_client(res->stream_id, type, req->stream)) != ERROR_SUCCESS) {
+		srs_error("identify client failed. ret=%d", ret);
+		return ret;
+	}
+	req->strip();
+	srs_trace("identify client success. type=%d, stream_name=%s", type, req->stream.c_str());
+	
+	int chunk_size = 4096;
+	SrsConfDirective* conf = config->get_chunk_size();
+	if (conf && !conf->arg0().empty()) {
+		chunk_size = ::atoi(conf->arg0().c_str());
+	}
+	if ((ret = rtmp->set_chunk_size(chunk_size)) != ERROR_SUCCESS) {
+		srs_error("set chunk_size=%d failed. ret=%d", chunk_size, ret);
+		return ret;
+	}
+	srs_trace("set chunk_size=%d success", chunk_size);
+	
+	// find a source to publish.
+	SrsSource* source = SrsSource::find(req->get_stream_url());
+	srs_assert(source != NULL);
+	
+	bool enabled_cache = true;
+	conf = config->get_gop_cache(req->vhost);
+	if (conf && conf->arg0() == "off") {
+		enabled_cache = false;
+	}
+	source->set_cache(enabled_cache);
+
+	srs_info("source found, url=%s, enabled_cache=%d", req->get_stream_url().c_str(), enabled_cache);
+	
+	switch (type) {
+		case SrsClientPlay: {
+			srs_verbose("start to play stream %s.", req->stream.c_str());
+			
+			if ((ret = rtmp->start_play(res->stream_id)) != ERROR_SUCCESS) {
+				srs_error("start to play stream failed. ret=%d", ret);
+				return ret;
+			}
+			srs_info("start to play stream %s success", req->stream.c_str());
+			return playing(source);
+		}
+		case SrsClientFMLEPublish: {
+			srs_verbose("FMLE start to publish stream %s.", req->stream.c_str());
+			
+			if ((ret = rtmp->start_fmle_publish(res->stream_id)) != ERROR_SUCCESS) {
+				srs_error("start to publish stream failed. ret=%d", ret);
+				return ret;
+			}
+			srs_info("start to publish stream %s success", req->stream.c_str());
+			ret = publish(source, true);
+			source->on_unpublish();
+			return ret;
+		}
+		case SrsClientFlashPublish: {
+			srs_verbose("flash start to publish stream %s.", req->stream.c_str());
+			
+			if ((ret = rtmp->start_flash_publish(res->stream_id)) != ERROR_SUCCESS) {
+				srs_error("flash start to publish stream failed. ret=%d", ret);
+				return ret;
+			}
+			srs_info("flash start to publish stream %s success", req->stream.c_str());
+			ret = publish(source, false);
+			source->on_unpublish();
+			return ret;
+		}
+		default: {
+			ret = ERROR_SYSTEM_CLIENT_INVALID;
+			srs_info("invalid client type=%d. ret=%d", type, ret);
+			return ret;
+		}
+	}
+	
+	return ret;
+}
+
+int SrsClient::check_vhost()
+{
+	int ret = ERROR_SUCCESS;
+	
+	srs_assert(req != NULL);
+	
+	SrsConfDirective* vhost = config->get_vhost(req->vhost);
+	if (vhost == NULL) {
+		ret = ERROR_RTMP_VHOST_NOT_FOUND;
+		srs_error("vhost %s not found. ret=%d", req->vhost.c_str(), ret);
+		return ret;
+	}
+	
+	SrsConfDirective* conf = NULL;
+	if ((conf = vhost->get(RTMP_VHOST_ENABLED)) != NULL && conf->arg0() != "on") {
+		ret = ERROR_RTMP_VHOST_NOT_FOUND;
+		srs_error("vhost %s disabled. ret=%d", req->vhost.c_str(), ret);
+		return ret;
+	}
+	
+	if (req->vhost != vhost->arg0()) {
+		srs_trace("vhost change from %s to %s", req->vhost.c_str(), vhost->arg0().c_str());
+		req->vhost = vhost->arg0();
+	}
+	
+	return ret;
+}
+
+int SrsClient::playing(SrsSource* source)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = refer->check(req->pageUrl, config->get_refer_play(req->vhost))) != ERROR_SUCCESS) {
+		srs_error("check play_refer failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check play_refer success.");
+	
+	SrsConsumer* consumer = NULL;
+	if ((ret = source->create_consumer(consumer)) != ERROR_SUCCESS) {
+		srs_error("create consumer failed. ret=%d", ret);
+		return ret;
+	}
+	
+	srs_assert(consumer != NULL);
+	SrsAutoFree(SrsConsumer, consumer, false);
+	srs_verbose("consumer created success.");
+	
+	rtmp->set_recv_timeout(SRS_PULSE_TIMEOUT_MS * 1000);
+	
+	SrsPithyPrint pithy_print(SRS_STAGE_PLAY_USER);
+
+	while (true) {
+		pithy_print.elapse(SRS_PULSE_TIMEOUT_MS);
+		
+		// switch to other st-threads.
+		st_usleep(0);
+
+		// read from client.
+		int ctl_msg_ret = ERROR_SUCCESS;
+		if (true) {
+			SrsCommonMessage* msg = NULL;
+			ctl_msg_ret = ret = rtmp->recv_message(&msg);
+			
+			srs_verbose("play loop recv message. ret=%d", ret);
+			if (ret != ERROR_SUCCESS && ret != ERROR_SOCKET_TIMEOUT) {
+				srs_error("recv client control message failed. ret=%d", ret);
+				return ret;
+			}
+			if ((ret = process_play_control_msg(consumer, msg)) != ERROR_SUCCESS) {
+				srs_error("process play control message failed. ret=%d", ret);
+				return ret;
+			}
+		}
+		
+		// get messages from consumer.
+		SrsSharedPtrMessage** msgs = NULL;
+		int count = 0;
+		if ((ret = consumer->get_packets(0, msgs, count)) != ERROR_SUCCESS) {
+			srs_error("get messages from consumer failed. ret=%d", ret);
+			return ret;
+		}
+
+		// reportable
+		if (pithy_print.can_print()) {
+			srs_trace("-> clock=%u, time=%"PRId64", cmr=%d, msgs=%d, obytes=%"PRId64", ibytes=%"PRId64", okbps=%d, ikbps=%d", 
+				(int)(srs_get_system_time_ms()/1000), pithy_print.get_age(), ctl_msg_ret, count, rtmp->get_send_bytes(), rtmp->get_recv_bytes(), rtmp->get_send_kbps(), rtmp->get_recv_kbps());
+		}
+		
+		if (count <= 0) {
+			srs_verbose("no packets in queue.");
+			continue;
+		}
+		SrsAutoFree(SrsSharedPtrMessage*, msgs, true);
+		
+		// sendout messages
+		for (int i = 0; i < count; i++) {
+			SrsSharedPtrMessage* msg = msgs[i];
+			
+			// the send_message will free the msg, 
+			// so set the msgs[i] to NULL.
+			msgs[i] = NULL;
+			
+			if ((ret = rtmp->send_message(msg)) != ERROR_SUCCESS) {
+				srs_error("send message to client failed. ret=%d", ret);
+				return ret;
+			}
+		}
+	}
+	
+	return ret;
+}
+
+int SrsClient::publish(SrsSource* source, bool is_fmle)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if ((ret = refer->check(req->pageUrl, config->get_refer_publish(req->vhost))) != ERROR_SUCCESS) {
+		srs_error("check publish_refer failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check publish_refer success.");
+	
+	SrsPithyPrint pithy_print(SRS_STAGE_PUBLISH_USER);
+	
+	while (true) {
+		// switch to other st-threads.
+		st_usleep(0);
+		
+		SrsCommonMessage* msg = NULL;
+		if ((ret = rtmp->recv_message(&msg)) != ERROR_SUCCESS) {
+			srs_error("recv identify client message failed. ret=%d", ret);
+			return ret;
+		}
+
+		SrsAutoFree(SrsCommonMessage, msg, false);
+		
+		pithy_print.set_age(msg->header.timestamp);
+
+		// reportable
+		if (pithy_print.can_print()) {
+			srs_trace("<- clock=%u, time=%"PRId64", obytes=%"PRId64", ibytes=%"PRId64", okbps=%d, ikbps=%d", 
+				(int)(srs_get_system_time_ms()/1000), pithy_print.get_age(), rtmp->get_send_bytes(), rtmp->get_recv_bytes(), rtmp->get_send_kbps(), rtmp->get_recv_kbps());
+		}
+		
+		// process audio packet
+		if (msg->header.is_audio() && ((ret = source->on_audio(msg)) != ERROR_SUCCESS)) {
+			srs_error("process audio message failed. ret=%d", ret);
+			return ret;
+		}
+		// process video packet
+		if (msg->header.is_video() && ((ret = source->on_video(msg)) != ERROR_SUCCESS)) {
+			srs_error("process video message failed. ret=%d", ret);
+			return ret;
+		}
+		
+		// process onMetaData
+		if (msg->header.is_amf0_data() || msg->header.is_amf3_data()) {
+			if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
+				srs_error("decode onMetaData message failed. ret=%d", ret);
+				return ret;
+			}
+		
+			SrsPacket* pkt = msg->get_packet();
+			if (dynamic_cast<SrsOnMetaDataPacket*>(pkt)) {
+				SrsOnMetaDataPacket* metadata = dynamic_cast<SrsOnMetaDataPacket*>(pkt);
+				if ((ret = source->on_meta_data(msg, metadata)) != ERROR_SUCCESS) {
+					srs_error("process onMetaData message failed. ret=%d", ret);
+					return ret;
+				}
+				srs_trace("process onMetaData message success.");
+				continue;
+			}
+			
+			srs_trace("ignore AMF0/AMF3 data message.");
+			continue;
+		}
+		
+		// process UnPublish event.
+		if (msg->header.is_amf0_command() || msg->header.is_amf3_command()) {
+			if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
+				srs_error("decode unpublish message failed. ret=%d", ret);
+				return ret;
+			}
+			
+			// flash unpublish.
+			if (!is_fmle) {
+				srs_trace("flash publish finished.");
+				return ret;
+			}
+		
+			SrsPacket* pkt = msg->get_packet();
+			if (dynamic_cast<SrsFMLEStartPacket*>(pkt)) {
+				SrsFMLEStartPacket* unpublish = dynamic_cast<SrsFMLEStartPacket*>(pkt);
+				return rtmp->fmle_unpublish(res->stream_id, unpublish->transaction_id);
+			}
+			
+			srs_trace("ignore AMF0/AMF3 command message.");
+			continue;
+		}
+	}
+	
+	return ret;
+}
+
+int SrsClient::get_peer_ip()
+{
+	int ret = ERROR_SUCCESS;
+	
+    int fd = st_netfd_fileno(stfd);
+    
+    // discovery client information
+    sockaddr_in addr;
+    socklen_t addrlen = sizeof(addr);
+    if (getpeername(fd, (sockaddr*)&addr, &addrlen) == -1) {
+        ret = ERROR_SOCKET_GET_PEER_NAME;
+        srs_error("discovery client information failed. ret=%d", ret);
+        return ret;
+    }
+    srs_verbose("get peer name success.");
+
+    // ip v4 or v6
+    char buf[INET6_ADDRSTRLEN];
+    memset(buf, 0, sizeof(buf));
+    
+    if ((inet_ntop(addr.sin_family, &addr.sin_addr, buf, sizeof(buf))) == NULL) {
+        ret = ERROR_SOCKET_GET_PEER_IP;
+        srs_error("convert client information failed. ret=%d", ret);
+        return ret;
+    }
+    srs_verbose("get peer ip of client ip=%s, fd=%d", buf, fd);
+    
+    ip = new char[strlen(buf) + 1];
+    strcpy(ip, buf);
+    
+    srs_verbose("get peer ip success. ip=%s, fd=%d", ip, fd);
+    
+    return ret;
+}
+
+int SrsClient::process_play_control_msg(SrsConsumer* consumer, SrsCommonMessage* msg)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (!msg) {
+		srs_verbose("ignore all empty message.");
+		return ret;
+	}
+	SrsAutoFree(SrsCommonMessage, msg, false);
+	
+	if (!msg->header.is_amf0_command() && !msg->header.is_amf3_command()) {
+		srs_info("ignore all message except amf0/amf3 command.");
+		return ret;
+	}
+	
+	if ((ret = msg->decode_packet()) != ERROR_SUCCESS) {
+		srs_error("decode the amf0/amf3 command packet failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("decode the amf0/amf3 command packet success.");
+	
+	SrsPausePacket* pause = dynamic_cast<SrsPausePacket*>(msg->get_packet());
+	if (!pause) {
+		srs_info("ignore all amf0/amf3 command except pause.");
+		return ret;
+	}
+	
+	if ((ret = rtmp->on_play_client_pause(res->stream_id, pause->is_pause)) != ERROR_SUCCESS) {
+		srs_error("rtmp process play client pause failed. ret=%d", ret);
+		return ret;
+	}
+	
+	if ((ret = consumer->on_play_client_pause(pause->is_pause)) != ERROR_SUCCESS) {
+		srs_error("consumer process play client pause failed. ret=%d", ret);
+		return ret;
+	}
+	srs_info("process pause success, is_pause=%d, time=%d.", pause->is_pause, pause->time_ms);
+	
+    return ret;
+}
+