ZLMediaKit/src/Extension/CommonRtp.h
2021-01-19 16:05:38 +08:00

86 lines
2.1 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_COMMONRTP_H
#define ZLMEDIAKIT_COMMONRTP_H
#include "Frame.h"
#include "Rtsp/RtpCodec.h"
namespace mediakit{
/**
* 通用 rtp解码类
*/
class CommonRtpDecoder : public RtpCodec, public ResourcePoolHelper<FrameImp> {
public:
typedef std::shared_ptr <CommonRtpDecoder> Ptr;
~CommonRtpDecoder() override {}
/**
* 构造函数
* @param codec 编码id
* @param max_frame_size 允许的最大帧大小
*/
CommonRtpDecoder(CodecId codec, size_t max_frame_size = 2 * 1024);
/**
* 返回编码类型ID
*/
CodecId getCodecId() const override;
/**
* 输入rtp并解码
* @param rtp rtp数据包
* @param key_pos 此参数内部强制转换为false,请忽略之
*/
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
private:
void obtainFrame();
private:
bool _drop_flag = false;
uint16_t _last_seq = 0;
size_t _max_frame_size;
CodecId _codec;
FrameImp::Ptr _frame;
};
/**
* 通用 rtp编码类
*/
class CommonRtpEncoder : public CommonRtpDecoder, public RtpInfo {
public:
typedef std::shared_ptr <CommonRtpEncoder> Ptr;
~CommonRtpEncoder() override {}
/**
* 构造函数
* @param codec 编码类型
* @param ssrc ssrc
* @param mtu_size mtu 大小
* @param sample_rate 采样率
* @param payload_type pt类型
* @param interleaved rtsp interleaved 值
*/
CommonRtpEncoder(CodecId codec, uint32_t ssrc, uint32_t mtu_size, uint32_t sample_rate, uint8_t payload_type, uint8_t interleaved);
/**
* 输入帧数据并编码成rtp
*/
void inputFrame(const Frame::Ptr &frame) override;
};
}//namespace mediakit
#endif //ZLMEDIAKIT_COMMONRTP_H