#include "wrapper.hpp"
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#include <thread>
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#include <unistd.h>
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#include <sys/time.h>
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extern "C"{
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#include <libavformat/avformat.h>
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#include <libavutil/opt.h>
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#include <libswscale/swscale.h>
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}
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#include "ffmpeg/configure/conf.hpp"
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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/property/VideoProp.hpp"
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#include "ffmpeg/log/log.hpp"
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#include "ffmpeg/bridge/cvbridge.hpp"
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#include "buz/recorder.hpp"
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#include "worker/stream.hpp"
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#include "worker/decoder.hpp"
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#include "worker/rec.hpp"
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#include "common.hpp"
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using namespace logif;
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using namespace ffwrapper;
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#define DELETE_POINTER(p) \
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do \
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{ \
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if(NULL != p) \
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delete p; \
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p = NULL; \
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}while(0)
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namespace cffmpeg_wrap{
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using namespace buz;
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Wrapper::Wrapper()
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:input_url_("")
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,audio_(false)
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,gb_(0)
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,cpu_(0)
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,run_dec_(false)
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,run_stream_(true)
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,run_rec_(false)
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,thread_(nullptr)
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,stop_stream_(false)
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,stream_(nullptr)
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,decoder_(nullptr)
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,rec_(new rec)
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,logit_(false)
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,fps_(25)
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{
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makeTheWorld();
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}
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Wrapper::Wrapper(const char *logfile)
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:input_url_("")
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,audio_(false)
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,gb_(0)
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,cpu_(0)
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,run_dec_(false)
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,run_stream_(true)
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,run_rec_(false)
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,thread_(nullptr)
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,stop_stream_(false)
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,stream_(nullptr)
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,decoder_(nullptr)
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,rec_(new rec)
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,logit_(true)
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{
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makeTheWorld();
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logif::CreateLogger(logfile, true);
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}
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Wrapper::~Wrapper()
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{
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try
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{
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if(thread_){
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stop_stream_.store(true);
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thread_->join();
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}
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DELETE_POINTER(rec_);
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}
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catch(const std::exception& e)
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{
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logIt("WRAPPER EXCEPTION: ", e.what());
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}
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if (logit_)
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logif::DestroyLogger();
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}
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std::unique_ptr<ffwrapper::FormatIn> Wrapper::init_reader(const char* input){
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VideoProp prop;
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prop.url_ = input;
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prop.rtsp_tcp_ = true;
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prop.gpu_acc_ = !cpu_;
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std::unique_ptr<FormatIn> in(new FormatIn(prop.gpuAccl()));
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AVDictionary *avdic = prop.optsFormat();
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int flag = -1;
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if (gb_){
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flag = in->openGb28181(input, NULL);
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}else{
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flag = in->open(input, &avdic);
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}
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if(avdic){
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av_dict_free(&avdic);
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}
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if(flag == 0){
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if(!in->findStreamInfo(NULL)){
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logIt("can't find video stream\n");
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return nullptr;
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}
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return in;
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}
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return nullptr;
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}
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int Wrapper::RunStream(const char* input){
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if(thread_){
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logIt("wrapper run stream already run");
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return 0;
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}
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input_url_ = input;
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thread_.reset(new std::thread([&]{
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run_stream_thread();
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}));
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return 0;
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}
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void Wrapper::AudioSwitch(const bool a){
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audio_ = a;
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// if (stream_){
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// stream_->AudioSwitch(a);
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// }
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}
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void Wrapper::init_worker(ffwrapper::FormatIn *in){
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if (rec_->Loaded() && stream_ && decoder_) return;
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stream_ = new stream(in, 3 * in->getFPS());
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// stream_->AudioSwitch(audio_);
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decoder_ = new decoder(in);
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rec_->Load(in);
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if(fn_rec_lazy_) {
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fn_rec_lazy_();
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fn_rec_lazy_ = nullptr;
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}
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}
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int Wrapper::run_worker(ffwrapper::FormatIn *in, const CPacket &pkt){
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if (gb_){
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AVPacket &p = pkt.data->getAVPacket();
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p.pts = p.dts = AV_NOPTS_VALUE;
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}
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int flag = 0;
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if (run_stream_ && stream_) stream_->SetPacket(pkt);
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if (run_dec_ && decoder_) flag = decoder_->SetFrame(pkt);
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if (run_rec_ && rec_->Loaded()) rec_->SetPacket(pkt);
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return flag;
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}
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void Wrapper::deinit_worker(){
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DELETE_POINTER(stream_);
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DELETE_POINTER(decoder_);
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rec_->Unload();
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}
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void Wrapper::run_stream_thread(){
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while(!stop_stream_.load()){
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auto in = init_reader(input_url_.c_str());
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if (!in) {
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logIt("ERROR: init_reader! url: %s\n", input_url_.c_str());
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sleep(2);
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continue;
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}
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fps_ = in->getFPS();
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int wTime = 1000000.0 / in->getFPS() ;
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wTime >>= 1;
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logIt("WAIT TIME PER FRAME: %d", wTime);
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init_worker(in.get());
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int64_t id = gb_ ? 0 : -1;
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int64_t v_id = id;
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int64_t a_id = id;
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bool exist = access(input_url_.c_str(), 0) == 0;
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while(!stop_stream_.load()){
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auto data(std::make_shared<CodedData>());
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if (in->readPacket(&data->getAVPacket()) != 0){
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logIt("read packet error, id: %lld", id);
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break;
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}
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// 非音视频
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if (in->notVideoAudio(&data->getAVPacket())){
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continue;
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}
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// 非国标跳过第一帧,测试第一帧有问题
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if (!gb_ && id < 0){
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id++; v_id++; a_id++;
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continue;
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}
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CPacket pkt{data, v_id, a_id, id};
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// decode error
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if (run_worker(in.get(), pkt) == -1){
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break;
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}
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if (in->isVideoPkt(&data->getAVPacket())){
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v_id++;
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}else{
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a_id++;
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}
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id++;
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//本地文件太快sleep一下
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if (exist){
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usleep(wTime);
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}
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}
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deinit_worker();
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if (exist) break;
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}
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}
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void Wrapper::SetRecMinCacheTime(const int mind){
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rec_->SetRecMinCacheTime(mind);
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}
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void Wrapper::OpenRecorder(){
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run_rec_ = true;
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}
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void Wrapper::BuildRecorder(const char* id, const char *output, const int64_t &fid, const int mindur, const int maxdur, const bool audio){
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bool a = audio;
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if (gb_) a = false;
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if (rec_->Loaded()){
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rec_->NewRec(id, output, fid, mindur, maxdur, a);
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}else{
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std::string rid(id), dir(output);
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fn_rec_lazy_ =
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[=]{rec_->NewRec(rid.c_str(), dir.c_str(), fid, mindur, maxdur, a);};
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}
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}
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int Wrapper::FireRecorder(const char* sid,const int64_t &id){
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if (rec_->Loaded()){
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rec_->FireRecSignal(sid, id);
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}
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}
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void Wrapper::GetInfoRecorder(std::string &recID, int &index, std::string &path){
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if (rec_){
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rec_->GetRecInfo(recID, index, path);
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}
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}
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////////decoder
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void Wrapper::OpenDecoder(){
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run_dec_ = true;
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}
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void Wrapper::GetPicDecoder(unsigned char **data, int *w, int *h, int *format, int *length, int64_t *id){
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if (decoder_){
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decoder_->GetFrame(data, w, h, format, length, id);
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}
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}
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void Wrapper::CloseStream(){
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run_stream_ = false;
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}
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void Wrapper::GetPacket(unsigned char **pktData, int *size, int *key){
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if (stream_){
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stream_->GetPacket(pktData, size, key);
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}
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}
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} // end class wrapper
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///////////////////////////////////////////////////////////
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///single decode or encoder
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////// decoder
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#include "ffmpeg/data/FrameData.hpp"
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// return val: -1 open error; -2, find stream error; -3, converter create
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namespace cffmpeg_wrap{ // start test functions
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/////// for encoder
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typedef struct _PicEncoder{
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FormatOut *enc;
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int w;
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int h;
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int fps;
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int br;
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int gi;
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int pix_fmt;
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int flag;
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cvbridge *bridge;
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} PicEncoder;
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void *CreateEncoder(const int w, const int h, const int fps, const int br,
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const int pix_fmt, const int scale_flag, const int gi){
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PicEncoder *e = (PicEncoder*)malloc(sizeof(PicEncoder));
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e->enc = NULL;
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e->w = w;
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e->h = h;
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e->fps = fps;
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e->br = br;
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e->gi = gi;
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e->pix_fmt = pix_fmt;
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e->flag = scale_flag;
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e->bridge = NULL;
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VideoProp prop_;
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prop_.width_ = w;
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prop_.height_ = h;
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prop_.fps_ = fps;
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prop_.bit_rate_ = br;
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gi < 0 ? prop_.gpu_acc_ = false : prop_.gpu_acc_ = true;
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FormatOut *enc = new FormatOut(prop_, "./88.mp4");
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e->enc = enc;
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return e;
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}
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void DestroyEncoder(void *h){
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PicEncoder *e = (PicEncoder*)h;
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if (e == NULL){
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return;
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}
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delete e->bridge;
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delete e->enc;
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free(e);
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}
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int Encode(void *hdl, uint8_t *in, const int w, const int h, uint8_t **out, int *size, int *key){
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PicEncoder *e = (PicEncoder*)hdl;
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auto ctx = e->enc->getCodecContext();
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if (e->bridge == NULL){
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e->bridge = new cvbridge(
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w, h, e->pix_fmt,
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e->w, e->h, ctx->pix_fmt, e->flag);
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}
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AVFrame *bgr_frame = cvbridge::fillFrame(in, w, h, e->pix_fmt);
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AVFrame *frame = e->bridge->convert2Frame(bgr_frame);
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av_frame_free(&bgr_frame);
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AVPacket *pkt = av_packet_alloc();
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auto flag = e->enc->encode(pkt, frame);
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if(flag == 0){
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int extradata_size = ctx->extradata_size;
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uint8_t *extra = ctx->extradata;
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*key = pkt->flags & AV_PKT_FLAG_KEY;
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if(!(*key)){
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extradata_size = 0;
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}
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*size = pkt->size + extradata_size;
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*out = (unsigned char *)malloc(*size);
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memcpy(*out, extra, extradata_size);
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memcpy(*out + extradata_size, pkt->data, pkt->size);
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}else{
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logIt("encode error or need more packet\n");
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}
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av_packet_free(&pkt);
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av_frame_free(&frame);
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return flag;
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}
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int GetGb28181Pic(const char *rtspUrl, char *retData, int *retDataLen){
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int ret = 0;
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std::string fn = rtspUrl;
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auto handle_gb28181 = new GB28181API;
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if(handle_gb28181->addCamera(fn) == -1){
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delete(handle_gb28181);
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logIt("do addCamera Error\n");
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return -1;
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}
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int retLen = handle_gb28181->capturePic(handle_gb28181, retData, retDataLen);
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if(retLen == 0){
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logIt("do capturePic failed:%d");
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ret = -1;
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}
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handle_gb28181->deleteCamera();
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return ret;
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}
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}
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