68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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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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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#include "G711Rtmp.h"
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namespace mediakit{
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G711RtmpDecoder::G711RtmpDecoder() {
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_adts = obtainFrame();
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}
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G711Frame::Ptr G711RtmpDecoder::obtainFrame() {
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//从缓存池重新申请对象，防止覆盖已经写入环形缓存的对象
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auto frame = ResourcePoolHelper<G711Frame>::obtainObj();
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frame->frameLength = 0;
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frame->iPrefixSize = 0;
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return frame;
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}
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bool G711RtmpDecoder::inputRtmp(const RtmpPacket::Ptr &pkt, bool key_pos) {
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onGetG711(pkt->strBuf.data() + 2, pkt->strBuf.size() - 2, pkt->timeStamp);
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return false;
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}
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void G711RtmpDecoder::onGetG711(const char* pcData, int iLen, uint32_t ui32TimeStamp) {
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if(iLen + 7 > sizeof(_adts->buffer)){
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WarnL << "Illegal adts data, exceeding the length limit.";
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return;
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}
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//拷贝aac负载
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memcpy(_adts->buffer, pcData, iLen);
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_adts->frameLength = iLen;
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_adts->timeStamp = ui32TimeStamp;
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//写入环形缓存
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RtmpCodec::inputFrame(_adts);
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_adts = obtainFrame();
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}
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/////////////////////////////////////////////////////////////////////////////////////
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G711RtmpEncoder::G711RtmpEncoder(const Track::Ptr &track) {
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_track = dynamic_pointer_cast<G711Track>(track);
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}
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void G711RtmpEncoder::inputFrame(const Frame::Ptr& frame) {
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RtmpPacket::Ptr rtmpPkt = ResourcePoolHelper<RtmpPacket>::obtainObj();
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rtmpPkt->strBuf.clear();
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rtmpPkt->strBuf.append(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
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rtmpPkt->bodySize = rtmpPkt->strBuf.size();
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rtmpPkt->chunkId = CHUNK_AUDIO;
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rtmpPkt->streamId = STREAM_MEDIA;
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rtmpPkt->timeStamp = frame->dts();
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rtmpPkt->typeId = MSG_AUDIO;
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RtmpCodec::inputRtmp(rtmpPkt, false);
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}
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}//namespace mediakit
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