#include "recorder.hpp"
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#include "sole.hpp"
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#include <thread>
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#include <unistd.h>
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#include <chrono>
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extern "C"{
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#include <libavcodec/avcodec.h>
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}
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#include "../ffmpeg/format/FormatIn.hpp"
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#include "../ffmpeg/format/FormatOut.hpp"
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#include "../ffmpeg/data/CodedData.hpp"
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#include "../ffmpeg/log/log.hpp"
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using namespace logif;
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using namespace ffwrapper;
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namespace cffmpeg_wrap{
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namespace buz{
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Recorder::Recorder(FormatIn *in, const std::string &id)
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:in_(in)
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,out_(NULL)
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,maxduration(30 * 25)
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,minduration(10 * 25)
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,end_frame(minduration)
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,cur_frame(0)
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,stop_recorder_(false)
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,id_(id)
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,id_frame_(-1)
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,id_frame_in_file_(-1)
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,file_path_("")
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,func_rec_info_(nullptr)
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,thrd_(nullptr)
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,error_occured_(false)
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,audio_(false)
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,cur_frame_a(0)
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,fp_(NULL)
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{
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if (in){
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maxduration = 30 * in->getFPS();
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minduration = 10 * in->getFPS();
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}
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}
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Recorder::~Recorder(){
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try
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{
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if (thrd_){
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if (!stop_recorder_.load()){
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stop_recorder_.store(true);
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cv_.notify_one();
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}
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thrd_->join();
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// logIt("REC THREAD JOINED, QUIT!!!, %s", id_.c_str());
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}
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}
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catch(const std::exception& e)
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{
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logIt("RECODER DESTRUCTOR EXCEPTION: ", e.what());
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}
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if (fp_) {
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fclose(fp_);
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fp_ = NULL;
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}
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}
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int Recorder::init_write_h264(const bool audio){
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if (out_) {
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delete out_;
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}
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out_ = new FormatOut(in_->getFPS(), "mp4");
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int pid = getpid();
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file_path_ = dir_ + "/" + sole::uuid4().base62() + "-" + std::to_string(pid) + ".mp4";
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auto v = in_->getStream(AVMEDIA_TYPE_VIDEO);
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if (!v){
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return -2;
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}
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AVStream *a = in_->getStream(AVMEDIA_TYPE_AUDIO);
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if (!audio){
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a = NULL;
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}
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auto ret = out_->JustWriter(v, a, file_path_.c_str());
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if (ret){
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logIt("start record file: %s", file_path_.c_str());
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return 0;
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}
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logIt("failed to start record: %s", file_path_.c_str());
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return -1;
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}
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int Recorder::init_write_hevc(const bool audio){
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if (fp_){
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fclose(fp_);
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}
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int pid = getpid();
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file_path_ = dir_ + "/" + sole::uuid4().base62() + "-" + std::to_string(pid) + ".hevc";
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fp_ = fopen(file_path_.c_str(), "wb");
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if (!fp_){
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logIt("write hevc open file error: %s", file_path_.c_str());
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return -1;
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}
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logIt("start record file: %s", file_path_.c_str());
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return 0;
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}
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int Recorder::init_writer(const bool audio){
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if(!in_){
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logIt("init_writer FormatIn not init");
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return -1;
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}
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if (in_->IsHEVC()){
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return init_write_hevc(audio);
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}else{
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return init_write_h264(audio);
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}
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return -2;
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}
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////////////////////////
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int Recorder::write_h264(const CPacket &pkt){
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//reader failed, break stream
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if(pkt.id == -1 && !pkt.data){
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return -1;
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}
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if (cur_frame == end_frame){
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return 1;
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}
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AVPacket &op = pkt.data->getAVPacket();
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AVPacket np(op);
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av_copy_packet(&np, &op);
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int64_t cur = cur_frame;
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if (in_->isVideoPkt(&np)){
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if(pkt.id == id_frame_){
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id_frame_in_file_ = cur_frame;
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}
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cur_frame++;
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}else if (in_->isAudioPkt(&np)) {
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cur = cur_frame_a++;
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}
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auto ret = out_->writeFrame(&np, cur);
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av_packet_unref(&np);
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if (!ret) return -1;
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// logIt("WRITE FRAME ID: %d, RECORD ID: %d", pkt.id, id_frame_);
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return 0;
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}
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int Recorder::write_hevc(const CPacket &pkt){
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if (!fp_){
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logIt("write hevc packet error, file not open");
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return -1;
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}
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if (cur_frame == end_frame){
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return 1;
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}
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AVPacket &op = pkt.data->getAVPacket();
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int64_t cur = cur_frame;
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if (in_->isVideoPkt(&op)){
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if(pkt.id == id_frame_){
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id_frame_in_file_ = cur_frame;
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}
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cur_frame++;
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}
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fwrite(op.data, op.size, 1, fp_);
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return 0;
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}
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int Recorder::write_correctly(const CPacket &pkt){
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if (in_->IsHEVC()){
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return write_hevc(pkt);
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}
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return write_h264(pkt);
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}
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int Recorder::end_write_h264(){
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if (!out_) return -1;
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out_->endWriter();
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if (out_){
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delete out_;
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out_ = NULL;
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}
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return 0;
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}
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int Recorder::end_write_hevc(){
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if (fp_){
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fclose(fp_);
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fp_ = NULL;
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}
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std::string hevc_file(file_path_);
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auto pos = file_path_.rfind(".hevc");
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if (pos != std::string::npos){
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file_path_ = file_path_.substr(0, pos) + ".mp4";
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logIt("mux hevc real file : %s", file_path_.c_str());
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}
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FILE *fp = fopen(hevc_file.c_str(), "rb");
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if (!fp) return 0;
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int ret = mux_hevc(fp, file_path_.c_str());
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fclose(fp);
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if (ret == 0){
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if (remove(hevc_file.c_str()) != 0){
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logIt("mux hevc remove file %s failed", hevc_file.c_str());
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}
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}else{
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logIt("mux hevc to mp4 error, use raw hevc");
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file_path_ = hevc_file;
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}
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return 0;
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}
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static int read_buffer(void *opaque, uint8_t *buf, int buf_size){
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FILE *fp_open = (FILE*)opaque;
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if (!fp_open) logIt("mux hevc open file error");
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if(!feof(fp_open)){
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int true_size=fread(buf,1,buf_size,fp_open);
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return true_size;
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}else{
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return -1;
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}
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}
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int Recorder::mux_hevc(FILE *fp, const char *outfile){
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std::unique_ptr<FormatIn> in(new FormatIn(false));
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if (!fp) {
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logIt("mux hevc file handle is null");
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return -1;
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}
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int tryTime = 0;
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while (in->openWithCustomIO(fp, read_buffer) < 0) {
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usleep(10000);
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if (tryTime++ < 100){
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logIt("mux hevc mux: %d failed open custom io %s, try again", tryTime, outfile);
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continue;
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}
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logIt("mux hevc try %d time to open custom io, failed", tryTime);
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return -2;
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}
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if (in->open(NULL, NULL) < 0){
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logIt("mux hevc open stream error");
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return -3;
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}
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if (!in->findStreamInfo(NULL)) {
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logIt("mux hevc can't find streams");
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return -4;
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}
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std::unique_ptr<FormatOut> out(new FormatOut(in_->getFPS(), "mp4"));
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auto v = in->getStream(AVMEDIA_TYPE_VIDEO);
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if (!v){
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logIt("mux hevc file can't find video stream");
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return -5;
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}
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if (out->JustWriter(v, NULL, outfile)){
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logIt("mux hevc start record file: %s", outfile);
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}
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int64_t id = 0;
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while(true){
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AVPacket pkt;
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if (in->readPacket(&pkt) != 0){
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logIt("mux hevc read packet error, id: %lld", id);
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break;
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}
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out->writeFrame(&pkt, id);
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// logIt("read frame: %d", id);
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av_packet_unref(&pkt);
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id++;
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}
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out->endWriter();
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return 0;
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}
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void Recorder::end_writer(){
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if (in_->IsHEVC()){
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end_write_hevc();
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}else{
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end_write_h264();
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}
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logIt("finished record : %s frames: %d", file_path_.c_str(), cur_frame);
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{
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std::lock_guard<std::mutex> l(mutex_pkt_);
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list_pkt_.clear();
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}
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// logIt("INDEX %d, REAL-FRAME-ID %d, FILE %s, CURFrame %d, ENDFrame %d\n",
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// id_frame_in_file_, id_frame_, file_path_.c_str(), cur_frame, end_frame);
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if(func_rec_info_){
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func_rec_info_(id_,id_frame_in_file_, file_path_);
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}
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}
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void Recorder::run_thread(){
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while(!stop_recorder_.load()){
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std::list<CPacket> pkts;
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{
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std::unique_lock<std::mutex> locker(mutex_pkt_);
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auto status = cv_.wait_for(locker, std::chrono::seconds(3), [&]{
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return !list_pkt_.empty() || stop_recorder_.load();
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});
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if (!status || stop_recorder_.load()){
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error_occured_ = !status;
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break;
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}
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list_pkt_.swap(pkts);
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}
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int ret = 0;
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for(auto &i : pkts){
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ret = write_correctly(i);
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if (ret != 0){
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break;
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}
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}
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if (ret != 0){
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break;
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}
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}
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stop_recorder_.store(true);
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end_writer();
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}
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int Recorder::Run(const char* output, const int mind, const int maxd, const bool audio){
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bool a = audio;
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if (in_->IsHEVC()) a = false;
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dir_ = output;
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int ret = init_writer(a);
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if(ret != 0){
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logIt("recorder init writer error");
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return -1;
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}
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double fps = in_->getFPS();
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if(fps > 1.0){
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maxduration = fps * maxd;
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minduration = fps * mind;
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end_frame = minduration;
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}
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audio_ = a;
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logIt("minduration %d maxduration %d curduration %d", minduration, maxduration, end_frame);
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thrd_.reset(new std::thread([&]{
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run_thread();
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}));
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//.detach();
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return 0;
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}
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int Recorder::FireRecorder(const int64_t &id){
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if (stop_recorder_.load()) return -1;
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if(id_frame_ == -1){
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id_frame_ = id;
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std::lock_guard<std::mutex> locker(mutex_pkt_);
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if (list_pkt_.size() > end_frame){
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end_frame = list_pkt_.size() + minduration/2;
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if (end_frame > maxduration)
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end_frame = maxduration;
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}
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// logIt("FIRST FIRE RECORD ID: %lld, cur_frame: %d, end_frame: %d", id, cur_frame, end_frame);
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}else if(cur_frame > minduration/2 && end_frame < maxduration){
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end_frame = end_frame + minduration / 2;
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if(end_frame > maxduration){
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end_frame = maxduration;
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}
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// logIt("PROLONG REC, cur_frame: %d, end_frame: %d", cur_frame, end_frame);
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}
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// logIt("FIRE REC FRAME ID: %lld", id);
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return 0;
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}
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int Recorder::PushPacket(const CPacket &pkt){
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if (stop_recorder_.load()) return 0;
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std::lock_guard<std::mutex> locker(mutex_pkt_);
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if(id_frame_ == -1){
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//wait I
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if (!audio_ && in_->isAudioPkt(&pkt.data->getAVPacket())){
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return 0;
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}
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maybe_dump_gop();
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list_pkt_.push_back(pkt);
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// cv_.notify_one();
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}else{
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list_pkt_.push_back(pkt);
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cv_.notify_one();
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}
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return list_pkt_.size();
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}
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int Recorder::PushPackets(std::list<CPacket> &lst){
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if (stop_recorder_.load()) return 0;
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std::lock_guard<std::mutex> locker(mutex_pkt_);
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bool i = false;
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for (auto &p : lst){
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if (!audio_ && in_->isAudioPkt(&p.data->getAVPacket())){
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continue;
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}
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list_pkt_.push_back(p);
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}
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maybe_dump_gop();
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cv_.notify_one();
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// logIt("CACHE PACKET : %d", list_pkt_.size());
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return list_pkt_.size();
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}
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void Recorder::maybe_dump_gop(){
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//超过min/2,丢弃gop
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while (list_pkt_.size() > minduration) {
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list_pkt_.pop_front();
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while(!list_pkt_.empty()){
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auto &i = list_pkt_.front();
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if (!(i.data->getAVPacket().flags & AV_PKT_FLAG_KEY)){
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list_pkt_.pop_front();
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}else{
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break;
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}
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}
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}
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}
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}
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}
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