Older/MediaServer/Rtmp/amf.h
amass 9de3af15eb
All checks were successful
Deploy / PullDocker (push) Successful in 12s
Deploy / Build (push) Successful in 1m51s
add ZLMediaKit code for learning.
2024-09-28 23:55:00 +08:00

127 lines
2.9 KiB
C++

/*
* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
*
* Use of this source code is governed by MIT-like license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#ifndef __amf_h
#define __amf_h
#include <assert.h>
#include <string>
#include <vector>
#include <map>
#include <functional>
#include <cstdint>
namespace toolkit {
class BufferLikeString;
}
enum AMFType {
AMF_NUMBER,
AMF_INTEGER,
AMF_BOOLEAN,
AMF_STRING,
AMF_OBJECT,
AMF_NULL,
AMF_UNDEFINED,
AMF_ECMA_ARRAY,
AMF_STRICT_ARRAY,
};
class AMFValue;
class AMFValue {
public:
friend class AMFEncoder;
using mapType = std::map<std::string, AMFValue>;
using arrayType = std::vector<AMFValue>;
~AMFValue();
AMFValue(AMFType type = AMF_NULL);
AMFValue(const char *s);
AMFValue(const std::string &s);
AMFValue(double n);
AMFValue(int i);
AMFValue(bool b);
AMFValue(const AMFValue &from);
AMFValue &operator = (const AMFValue &from);
void clear();
AMFType type() const ;
const std::string &as_string() const;
double as_number() const;
int as_integer() const;
bool as_boolean() const;
std::string to_string() const;
const AMFValue &operator[](const char *str) const;
void object_for_each(const std::function<void(const std::string &key, const AMFValue &val)> &fun) const ;
operator bool() const;
void set(const std::string &s, const AMFValue &val);
void add(const AMFValue &val);
private:
const mapType &getMap() const;
const arrayType &getArr() const;
void destroy();
void init();
private:
AMFType _type;
union {
std::string *string;
double number;
int integer;
bool boolean;
mapType *object;
arrayType *array;
} _value;
};
class AMFDecoder {
public:
AMFDecoder(const toolkit::BufferLikeString &buf, size_t pos, int version = 0);
template<typename TP>
TP load();
private:
std::string load_key();
AMFValue load_object();
AMFValue load_ecma();
AMFValue load_arr();
uint8_t front();
uint8_t pop_front();
private:
const toolkit::BufferLikeString &buf;
size_t pos;
int version;
};
class AMFEncoder {
public:
AMFEncoder & operator <<(const char *s);
AMFEncoder & operator <<(const std::string &s);
AMFEncoder & operator <<(std::nullptr_t);
AMFEncoder & operator <<(const int n);
AMFEncoder & operator <<(const double n);
AMFEncoder & operator <<(const bool b);
AMFEncoder & operator <<(const AMFValue &value);
const std::string& data() const ;
void clear() ;
private:
void write_key(const std::string &s);
AMFEncoder &write_undefined();
private:
std::string buf;
};
#endif