mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-02 01:21:33 +08:00
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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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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#include "Extension/AAC.h"
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namespace mediakit{
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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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AACRtpDecoder(const Track::Ptr &track);
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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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protected:
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AACRtpDecoder();
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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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string _aac_cfg;
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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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}//namespace mediakit
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#endif //ZLMEDIAKIT_AACRTPCODEC_H
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