80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
//
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// Created by xzl on 2018/10/18.
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//
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#ifndef ZLMEDIAKIT_AACRTPCODEC_H
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#define ZLMEDIAKIT_AACRTPCODEC_H
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#include "RtpCodec.h"
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/**
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* aac rtp转adts类
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*/
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class AACRtpDecoder : public RtpCodec , public ResourcePoolHelper<AACFrame> {
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public:
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typedef std::shared_ptr<AACRtpDecoder> Ptr;
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/**
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* @param ui32SampleRate 采样率，用于时间戳转换用
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*/
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AACRtpDecoder(uint32_t ui32SampleRate);
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~AACRtpDecoder() {}
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/**
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* 输入rtp并解码
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* @param rtp rtp数据包
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* @param key_pos 此参数内部强制转换为false,请忽略之
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*/
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bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
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TrackType getTrackType() const override{
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return TrackAudio;
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}
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CodecId getCodecId() const override{
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return CodecAAC;
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}
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private:
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void onGetAAC(const AACFrame::Ptr &frame);
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AACFrame::Ptr obtainFrame();
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private:
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AACFrame::Ptr _adts;
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uint32_t _sampleRate;
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};
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/**
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* aac adts转rtp类
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*/
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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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/**
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* @param ui32Ssrc ssrc
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* @param ui32MtuSize mtu 大小
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* @param ui32SampleRate 采样率
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* @param ui8PlayloadType pt类型
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* @param ui8Interleaved rtsp interleaved 值
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*/
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AACRtpEncoder(uint32_t ui32Ssrc,
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uint32_t ui32MtuSize,
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uint32_t ui32SampleRate,
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uint8_t ui8PlayloadType = 97,
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uint8_t ui8Interleaved = TrackAudio * 2);
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~AACRtpEncoder() {}
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/**
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* 输入aac 数据，必须带dats头
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* @param frame 带dats头的aac数据
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*/
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void inputFrame(const Frame::Ptr &frame) override;
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private:
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void makeAACRtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
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private:
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unsigned char _aucSectionBuf[1600];
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};
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#endif //ZLMEDIAKIT_AACRTPCODEC_H
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