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extract protocol module, move amf0 to protocol module
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winlin
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11 changed files with 27 additions and 19 deletions
1243
trunk/src/protocol/srs_protocol_amf0.cpp
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1243
trunk/src/protocol/srs_protocol_amf0.cpp
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319
trunk/src/protocol/srs_protocol_amf0.hpp
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319
trunk/src/protocol/srs_protocol_amf0.hpp
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/*
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The MIT License (MIT)
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Copyright (c) 2013-2014 winlin
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SRS_PROTOCOL_AMF0_HPP
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#define SRS_PROTOCOL_AMF0_HPP
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/*
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#include <srs_protocol_amf0.hpp>
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*/
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#include <srs_core.hpp>
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#include <string>
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#include <vector>
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class SrsStream;
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class SrsAmf0Object;
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/**
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* any amf0 value.
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* 2.1 Types Overview
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* value-type = number-type | boolean-type | string-type | object-type
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* | null-marker | undefined-marker | reference-type | ecma-array-type
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* | strict-array-type | date-type | long-string-type | xml-document-type
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* | typed-object-type
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*/
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struct SrsAmf0Any
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{
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char marker;
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SrsAmf0Any();
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virtual ~SrsAmf0Any();
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virtual bool is_string();
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virtual bool is_boolean();
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virtual bool is_number();
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virtual bool is_null();
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virtual bool is_undefined();
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virtual bool is_object();
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virtual bool is_object_eof();
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virtual bool is_ecma_array();
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};
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/**
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* read amf0 string from stream.
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* 2.4 String Type
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* string-type = string-marker UTF-8
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* @return default value is empty string.
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*/
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struct SrsAmf0String : public SrsAmf0Any
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{
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std::string value;
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SrsAmf0String(const char* _value = NULL);
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virtual ~SrsAmf0String();
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};
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/**
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* read amf0 boolean from stream.
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* 2.4 String Type
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* boolean-type = boolean-marker U8
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* 0 is false, <> 0 is true
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* @return default value is false.
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*/
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struct SrsAmf0Boolean : public SrsAmf0Any
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{
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bool value;
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SrsAmf0Boolean(bool _value = false);
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virtual ~SrsAmf0Boolean();
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};
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/**
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* read amf0 number from stream.
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* 2.2 Number Type
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* number-type = number-marker DOUBLE
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* @return default value is 0.
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*/
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struct SrsAmf0Number : public SrsAmf0Any
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{
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double value;
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SrsAmf0Number(double _value = 0.0);
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virtual ~SrsAmf0Number();
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};
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/**
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* read amf0 null from stream.
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* 2.7 null Type
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* null-type = null-marker
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*/
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struct SrsAmf0Null : public SrsAmf0Any
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{
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SrsAmf0Null();
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virtual ~SrsAmf0Null();
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};
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/**
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* read amf0 undefined from stream.
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* 2.8 undefined Type
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* undefined-type = undefined-marker
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*/
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struct SrsAmf0Undefined : public SrsAmf0Any
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{
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SrsAmf0Undefined();
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virtual ~SrsAmf0Undefined();
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};
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/**
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* 2.11 Object End Type
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* object-end-type = UTF-8-empty object-end-marker
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* 0x00 0x00 0x09
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*/
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struct SrsAmf0ObjectEOF : public SrsAmf0Any
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{
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int16_t utf8_empty;
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SrsAmf0ObjectEOF();
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virtual ~SrsAmf0ObjectEOF();
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};
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/**
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* to ensure in inserted order.
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* for the FMLE will crash when AMF0Object is not ordered by inserted,
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* if ordered in map, the string compare order, the FMLE will creash when
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* get the response of connect app.
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*/
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struct SrsUnSortedHashtable
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{
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private:
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typedef std::pair<std::string, SrsAmf0Any*> SrsObjectPropertyType;
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std::vector<SrsObjectPropertyType> properties;
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public:
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SrsUnSortedHashtable();
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virtual ~SrsUnSortedHashtable();
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virtual int size();
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virtual void clear();
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virtual std::string key_at(int index);
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virtual SrsAmf0Any* value_at(int index);
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virtual void set(std::string key, SrsAmf0Any* value);
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virtual SrsAmf0Any* get_property(std::string name);
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virtual SrsAmf0Any* ensure_property_string(std::string name);
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virtual SrsAmf0Any* ensure_property_number(std::string name);
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};
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/**
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* 2.5 Object Type
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* anonymous-object-type = object-marker *(object-property)
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* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
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*/
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struct SrsAmf0Object : public SrsAmf0Any
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{
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private:
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SrsUnSortedHashtable properties;
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public:
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SrsAmf0ObjectEOF eof;
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SrsAmf0Object();
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virtual ~SrsAmf0Object();
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virtual int size();
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virtual std::string key_at(int index);
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virtual SrsAmf0Any* value_at(int index);
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virtual void set(std::string key, SrsAmf0Any* value);
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virtual SrsAmf0Any* get_property(std::string name);
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virtual SrsAmf0Any* ensure_property_string(std::string name);
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virtual SrsAmf0Any* ensure_property_number(std::string name);
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};
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/**
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* 2.10 ECMA Array Type
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* ecma-array-type = associative-count *(object-property)
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* associative-count = U32
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* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
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*/
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struct SrsASrsAmf0EcmaArray : public SrsAmf0Any
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{
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private:
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SrsUnSortedHashtable properties;
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public:
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int32_t count;
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SrsAmf0ObjectEOF eof;
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SrsASrsAmf0EcmaArray();
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virtual ~SrsASrsAmf0EcmaArray();
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virtual int size();
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virtual void clear();
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virtual std::string key_at(int index);
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virtual SrsAmf0Any* value_at(int index);
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virtual void set(std::string key, SrsAmf0Any* value);
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virtual SrsAmf0Any* get_property(std::string name);
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virtual SrsAmf0Any* ensure_property_string(std::string name);
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};
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/**
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* read amf0 utf8 string from stream.
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* 1.3.1 Strings and UTF-8
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* UTF-8 = U16 *(UTF8-char)
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* UTF8-char = UTF8-1 | UTF8-2 | UTF8-3 | UTF8-4
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* UTF8-1 = %x00-7F
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* @remark only support UTF8-1 char.
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*/
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extern int srs_amf0_read_utf8(SrsStream* stream, std::string& value);
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extern int srs_amf0_write_utf8(SrsStream* stream, std::string value);
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/**
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* read amf0 string from stream.
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* 2.4 String Type
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* string-type = string-marker UTF-8
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*/
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extern int srs_amf0_read_string(SrsStream* stream, std::string& value);
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extern int srs_amf0_write_string(SrsStream* stream, std::string value);
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/**
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* read amf0 boolean from stream.
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* 2.4 String Type
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* boolean-type = boolean-marker U8
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* 0 is false, <> 0 is true
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*/
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extern int srs_amf0_read_boolean(SrsStream* stream, bool& value);
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extern int srs_amf0_write_boolean(SrsStream* stream, bool value);
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/**
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* read amf0 number from stream.
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* 2.2 Number Type
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* number-type = number-marker DOUBLE
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*/
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extern int srs_amf0_read_number(SrsStream* stream, double& value);
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extern int srs_amf0_write_number(SrsStream* stream, double value);
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/**
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* read amf0 null from stream.
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* 2.7 null Type
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* null-type = null-marker
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*/
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extern int srs_amf0_read_null(SrsStream* stream);
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extern int srs_amf0_write_null(SrsStream* stream);
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/**
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* read amf0 undefined from stream.
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* 2.8 undefined Type
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* undefined-type = undefined-marker
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*/
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extern int srs_amf0_read_undefined(SrsStream* stream);
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extern int srs_amf0_write_undefined(SrsStream* stream);
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extern int srs_amf0_read_any(SrsStream* stream, SrsAmf0Any*& value);
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/**
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* read amf0 object from stream.
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* 2.5 Object Type
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* anonymous-object-type = object-marker *(object-property)
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* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
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*/
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extern int srs_amf0_read_object(SrsStream* stream, SrsAmf0Object*& value);
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extern int srs_amf0_write_object(SrsStream* stream, SrsAmf0Object* value);
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/**
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* read amf0 object from stream.
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* 2.10 ECMA Array Type
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* ecma-array-type = associative-count *(object-property)
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* associative-count = U32
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* object-property = (UTF-8 value-type) | (UTF-8-empty object-end-marker)
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*/
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extern int srs_amf0_read_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray*& value);
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extern int srs_amf0_write_ecma_array(SrsStream* stream, SrsASrsAmf0EcmaArray* value);
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/**
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* get amf0 objects size.
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*/
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extern int srs_amf0_get_utf8_size(std::string value);
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extern int srs_amf0_get_string_size(std::string value);
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extern int srs_amf0_get_number_size();
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extern int srs_amf0_get_null_size();
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extern int srs_amf0_get_undefined_size();
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extern int srs_amf0_get_boolean_size();
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extern int srs_amf0_get_object_size(SrsAmf0Object* obj);
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extern int srs_amf0_get_ecma_array_size(SrsASrsAmf0EcmaArray* arr);
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/**
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* convert the any to specified object.
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* @return T*, the converted object. never NULL.
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* @remark, user must ensure the current object type,
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* or the covert will cause assert failed.
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*/
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template<class T>
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T* srs_amf0_convert(SrsAmf0Any* any)
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{
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T* p = dynamic_cast<T*>(any);
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srs_assert(p != NULL);
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return p;
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}
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#endif
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