270 lines
8.5 KiB
C++
270 lines
8.5 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016 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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#ifdef ENABLE_MP4V2
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#include <sys/stat.h>
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#include "Common/config.h"
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#include "Mp4Maker.h"
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#include "MediaRecorder.h"
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#include "Util/File.h"
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#include "Util/mini.h"
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#include "Util/util.h"
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#include "Util/NoticeCenter.h"
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#include "Extension/H264.h"
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#include "Extension/AAC.h"
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#include "Thread/WorkThreadPool.h"
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using namespace toolkit;
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namespace mediakit {
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string timeStr(const char *fmt) {
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std::tm tm_snapshot;
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auto time = ::time(NULL);
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#if defined(_WIN32)
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localtime_s(&tm_snapshot, &time); // thread-safe
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#else
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localtime_r(&time, &tm_snapshot); // POSIX
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#endif
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const size_t size = 1024;
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char buffer[size];
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auto success = std::strftime(buffer, size, fmt, &tm_snapshot);
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if (0 == success)
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return string(fmt);
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return buffer;
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}
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Mp4Maker::Mp4Maker(const string& strPath,
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const string &strVhost,
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const string &strApp,
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const string &strStreamId) {
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DebugL << strPath;
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_strPath = strPath;
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/////record 业务逻辑//////
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_info.strAppName = strApp;
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_info.strStreamId = strStreamId;
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_info.strVhost = strVhost;
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_info.strFolder = strPath;
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//----record 业务逻辑----//
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}
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Mp4Maker::~Mp4Maker() {
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closeFile();
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}
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void Mp4Maker::inputH264(void *pData, uint32_t ui32Length, uint32_t ui32TimeStamp){
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auto iType = H264_TYPE(((uint8_t*)pData)[0]);
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switch (iType) {
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case H264Frame::NAL_B_P: //P
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case H264Frame::NAL_IDR: { //IDR
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if (_strLastVideo.size()) {
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int64_t iTimeInc = (int64_t)ui32TimeStamp - (int64_t)_ui32LastVideoTime;
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iTimeInc = MAX(0,MIN(iTimeInc,500));
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if(iTimeInc == 0 || iTimeInc == 500){
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WarnL << "abnormal time stamp increment:" << ui32TimeStamp << " " << _ui32LastVideoTime;
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}
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inputH264_l((char *) _strLastVideo.data(), _strLastVideo.size(), iTimeInc);
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}
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uint32_t prefixe = htonl(ui32Length);
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_strLastVideo.assign((char *) &prefixe, 4);
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_strLastVideo.append((char *)pData,ui32Length);
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_ui32LastVideoTime = ui32TimeStamp;
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}
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break;
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default:
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break;
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}
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}
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void Mp4Maker::inputAAC(void *pData, uint32_t ui32Length, uint32_t ui32TimeStamp){
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if (_strLastAudio.size()) {
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int64_t iTimeInc = (int64_t)ui32TimeStamp - (int64_t)_ui32LastAudioTime;
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iTimeInc = MAX(0,MIN(iTimeInc,500));
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if(iTimeInc == 0 || iTimeInc == 500){
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WarnL << "abnormal time stamp increment:" << ui32TimeStamp << " " << _ui32LastAudioTime;
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}
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inputAAC_l((char *) _strLastAudio.data(), _strLastAudio.size(), iTimeInc);
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}
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_strLastAudio.assign((char *)pData, ui32Length);
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_ui32LastAudioTime = ui32TimeStamp;
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}
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void Mp4Maker::inputH264_l(void *pData, uint32_t ui32Length, uint32_t ui32Duration) {
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GET_CONFIG_AND_REGISTER(uint32_t,recordSec,Record::kFileSecond);
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auto iType = H264_TYPE(((uint8_t*)pData)[4]);
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if(iType == H264Frame::NAL_IDR && (_hMp4 == MP4_INVALID_FILE_HANDLE || _ticker.elapsedTime() > recordSec * 1000)){
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//在I帧率处新建MP4文件
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//如果文件未创建或者文件超过10分钟则创建新文件
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createFile();
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}
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if (_hVideo != MP4_INVALID_TRACK_ID) {
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MP4WriteSample(_hMp4, _hVideo, (uint8_t *) pData, ui32Length,ui32Duration * 90,0,iType == 5);
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}
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}
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void Mp4Maker::inputAAC_l(void *pData, uint32_t ui32Length, uint32_t ui32Duration) {
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GET_CONFIG_AND_REGISTER(uint32_t,recordSec,Record::kFileSecond);
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if (!_haveVideo && (_hMp4 == MP4_INVALID_FILE_HANDLE || _ticker.elapsedTime() > recordSec * 1000)) {
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//在I帧率处新建MP4文件
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//如果文件未创建或者文件超过10分钟则创建新文件
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createFile();
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}
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if (_hAudio != MP4_INVALID_TRACK_ID) {
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auto duration = ui32Duration * _audioSampleRate /1000.0;
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MP4WriteSample(_hMp4, _hAudio, (uint8_t*)pData, ui32Length,duration,0,false);
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}
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}
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void Mp4Maker::createFile() {
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closeFile();
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auto strDate = timeStr("%Y-%m-%d");
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auto strTime = timeStr("%H-%M-%S");
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auto strFileTmp = _strPath + strDate + "/." + strTime + ".mp4";
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auto strFile = _strPath + strDate + "/" + strTime + ".mp4";
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/////record 业务逻辑//////
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_info.ui64StartedTime = ::time(NULL);
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_info.strFileName = strTime + ".mp4";
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_info.strFilePath = strFile;
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GET_CONFIG_AND_REGISTER(string,appName,Record::kAppName);
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_info.strUrl = _info.strVhost + "/"
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+ appName + "/"
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+ _info.strAppName + "/"
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+ _info.strStreamId + "/"
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+ strDate + "/"
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+ strTime + ".mp4";
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//----record 业务逻辑----//
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#if !defined(_WIN32)
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File::createfile_path(strFileTmp.data(), S_IRWXO | S_IRWXG | S_IRWXU);
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#else
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File::createfile_path(strFileTmp.data(), 0);
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#endif
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_hMp4 = MP4Create(strFileTmp.data());
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if (_hMp4 == MP4_INVALID_FILE_HANDLE) {
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WarnL << "创建MP4文件失败:" << strFileTmp;
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return;
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}
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//MP4SetTimeScale(_hMp4, 90000);
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_strFileTmp = strFileTmp;
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_strFile = strFile;
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_ticker.resetTime();
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auto videoTrack = dynamic_pointer_cast<H264Track>(getTrack(TrackVideo));
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if(videoTrack){
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auto &sps = videoTrack->getSps();
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auto &pps = videoTrack->getPps();
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_hVideo = MP4AddH264VideoTrack(_hMp4,
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90000,
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MP4_INVALID_DURATION,
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videoTrack->getVideoWidth(),
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videoTrack->getVideoHeight(),
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sps[1],
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sps[2],
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sps[3],
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3);
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if(_hVideo != MP4_INVALID_TRACK_ID){
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MP4AddH264SequenceParameterSet(_hMp4, _hVideo, (uint8_t *)sps.data(), sps.size());
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MP4AddH264PictureParameterSet(_hMp4, _hVideo, (uint8_t *)pps.data(), pps.size());
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}else{
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WarnL << "添加视频通道失败:" << strFileTmp;
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}
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}
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auto audioTrack = dynamic_pointer_cast<AACTrack>(getTrack(TrackAudio));
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if(audioTrack){
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_audioSampleRate = audioTrack->getAudioSampleRate();
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_hAudio = MP4AddAudioTrack(_hMp4, _audioSampleRate, MP4_INVALID_DURATION, MP4_MPEG4_AUDIO_TYPE);
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if (_hAudio != MP4_INVALID_TRACK_ID) {
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auto &cfg = audioTrack->getAacCfg();
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MP4SetTrackESConfiguration(_hMp4, _hAudio,(uint8_t *)cfg.data(), cfg.size());
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}else{
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WarnL << "添加音频通道失败:" << strFileTmp;
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}
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}
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}
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void Mp4Maker::asyncClose() {
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auto hMp4 = _hMp4;
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auto strFileTmp = _strFileTmp;
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auto strFile = _strFile;
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auto info = _info;
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WorkThreadPool::Instance().getExecutor()->async([hMp4,strFileTmp,strFile,info]() {
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//获取文件录制时间，放在MP4Close之前是为了忽略MP4Close执行时间
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const_cast<Mp4Info&>(info).ui64TimeLen = ::time(NULL) - info.ui64StartedTime;
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//MP4Close非常耗时，所以要放在后台线程执行
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MP4Close(hMp4,MP4_CLOSE_DO_NOT_COMPUTE_BITRATE);
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//临时文件名改成正式文件名，防止mp4未完成时被访问
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rename(strFileTmp.data(),strFile.data());
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//获取文件大小
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struct stat fileData;
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stat(strFile.data(), &fileData);
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const_cast<Mp4Info&>(info).ui64FileSize = fileData.st_size;
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/////record 业务逻辑//////
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NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastRecordMP4,info);
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});
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}
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void Mp4Maker::closeFile() {
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if (_hMp4 != MP4_INVALID_FILE_HANDLE) {
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asyncClose();
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_hMp4 = MP4_INVALID_FILE_HANDLE;
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_hVideo = MP4_INVALID_TRACK_ID;
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_hAudio = MP4_INVALID_TRACK_ID;
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}
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}
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void Mp4Maker::onTrackFrame(const Frame::Ptr &frame) {
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switch (frame->getCodecId()){
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case CodecH264:{
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inputH264(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize(),frame->stamp());
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}
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break;
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case CodecAAC:{
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inputAAC(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize(),frame->stamp());
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}
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break;
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default:
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break;
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}
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}
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void Mp4Maker::onAllTrackReady() {
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_haveVideo = getTrack(TrackVideo).operator bool();
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}
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} /* namespace mediakit */
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#endif //ENABLE_MP4V2
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