ZLMediaKit/src/Extension/AACRtp.h

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/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* 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.
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*/
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#ifndef ZLMEDIAKIT_AACRTPCODEC_H
#define ZLMEDIAKIT_AACRTPCODEC_H
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#include "Rtsp/RtpCodec.h"
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#include "Extension/AAC.h"
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namespace mediakit{
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/**
* aac rtp转adts类
*/
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class AACRtpDecoder : public RtpCodec {
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public:
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typedef std::shared_ptr<AACRtpDecoder> Ptr;
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AACRtpDecoder(const Track::Ptr &track);
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~AACRtpDecoder() {}
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/**
* rtp并解码
* @param rtp rtp数据包
* @param key_pos false,
*/
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bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
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CodecId getCodecId() const override {
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return CodecAAC;
}
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protected:
AACRtpDecoder();
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private:
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void obtainFrame();
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void flushData();
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private:
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uint64_t _last_dts = 0;
std::string _aac_cfg;
FrameImp::Ptr _frame;
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};
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/**
* aac adts转rtp类
*/
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class AACRtpEncoder : public AACRtpDecoder , public RtpInfo {
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public:
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typedef std::shared_ptr<AACRtpEncoder> Ptr;
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/**
* @param ui32Ssrc ssrc
* @param ui32MtuSize mtu
* @param ui32SampleRate
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* @param ui8PayloadType pt类型
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* @param ui8Interleaved rtsp interleaved
*/
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AACRtpEncoder(uint32_t ui32Ssrc,
uint32_t ui32MtuSize,
uint32_t ui32SampleRate,
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uint8_t ui8PayloadType = 97,
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uint8_t ui8Interleaved = TrackAudio * 2);
~AACRtpEncoder() {}
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/**
* aac dats头
* @param frame dats头的aac数据
*/
bool inputFrame(const Frame::Ptr &frame) override;
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private:
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void makeAACRtp(const void *data, size_t len, bool mark, uint64_t stamp);
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private:
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unsigned char _section_buf[1600];
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_AACRTPCODEC_H