ZLMediaKit/src/Record/MP4.h
夏楚 c72cf4cbcc
整理命名空间 (#1409)
* feat: remove using namespace mediakit in header files.

(cherry picked from commit d44aeb339a8a0e1f0455be82b21fe4b1b536299f)

* feat: remove using namespace mediakit in FFmpegSource.h

* feat: remove using namespace mediakit in RtpExt.h

* feat: remove using namespace mediakit in header files.

* feat: remove using namespace std in header files.

* feat: remove using namespace std in header files when zltoolkit remove std in header

* 补充命名空间

* 整理命名空间

* 整理命名空间2

* 修复macos ci

* 修复编译问题

* 修复编译问题2

* 修复编译问题3

Co-authored-by: Johnny <hellojinqiang@gmail.com>
Co-authored-by: Xiaofeng Wang <wasphin@gmail.com>
2022-02-02 20:34:50 +08:00

141 lines
3.3 KiB
C++

/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT 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 ZLMEDIAKIT_MP4_H
#define ZLMEDIAKIT_MP4_H
#ifdef ENABLE_MP4
#include <memory>
#include <string>
#include "mp4-writer.h"
#include "mov-writer.h"
#include "mov-reader.h"
#include "mpeg4-hevc.h"
#include "mpeg4-avc.h"
#include "mpeg4-aac.h"
#include "mov-buffer.h"
#include "mov-format.h"
namespace mediakit {
//mp4文件IO的抽象接口类
class MP4FileIO : public std::enable_shared_from_this<MP4FileIO> {
public:
using Ptr = std::shared_ptr<MP4FileIO>;
using Writer = std::shared_ptr<mp4_writer_t>;
using Reader = std::shared_ptr<mov_reader_t>;
MP4FileIO() = default;
virtual ~MP4FileIO() = default;
/**
* 创建mp4复用器
* @param flags 支持0、MOV_FLAG_FASTSTART、MOV_FLAG_SEGMENT
* @param is_fmp4 是否为fmp4还是普通mp4
* @return mp4复用器
*/
virtual Writer createWriter(int flags, bool is_fmp4 = false);
/**
* 创建mp4解复用器
* @return mp4解复用器
*/
virtual Reader createReader();
/**
* 获取文件读写位置
*/
virtual uint64_t onTell() = 0;
/**
* seek至文件某处
* @param offset 文件偏移量
* @return 是否成功(0成功)
*/
virtual int onSeek(uint64_t offset) = 0;
/**
* 从文件读取一定数据
* @param data 数据存放指针
* @param bytes 指针长度
* @return 是否成功(0成功)
*/
virtual int onRead(void *data, size_t bytes) = 0;
/**
* 写入文件一定数据
* @param data 数据指针
* @param bytes 数据长度
* @return 是否成功(0成功)
*/
virtual int onWrite(const void *data, size_t bytes) = 0;
};
//磁盘MP4文件类
class MP4FileDisk : public MP4FileIO {
public:
using Ptr = std::shared_ptr<MP4FileDisk>;
MP4FileDisk() = default;
~MP4FileDisk() override = default;
/**
* 打开磁盘文件
* @param file 文件路径
* @param mode fopen的方式
*/
void openFile(const char *file, const char *mode);
/**
* 关闭磁盘文件
*/
void closeFile();
protected:
uint64_t onTell() override;
int onSeek(uint64_t offset) override;
int onRead(void *data, size_t bytes) override;
int onWrite(const void *data, size_t bytes) override;
private:
std::shared_ptr<FILE> _file;
};
class MP4FileMemory : public MP4FileIO{
public:
using Ptr = std::shared_ptr<MP4FileMemory>;
MP4FileMemory() = default;
~MP4FileMemory() override = default;
/**
* 获取文件大小
*/
size_t fileSize() const;
/**
* 获取并清空文件缓存
*/
std::string getAndClearMemory();
protected:
uint64_t onTell() override;
int onSeek(uint64_t offset) override;
int onRead(void *data, size_t bytes) override;
int onWrite(const void *data, size_t bytes) override;
private:
uint64_t _offset = 0;
std::string _memory;
};
}//namespace mediakit
#endif //NABLE_MP4RECORD
#endif //ZLMEDIAKIT_MP4_H