#include "wrapper.hpp"
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#include <thread>
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#include <unistd.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/property/VideoProp.hpp"
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#include "ffmpeg/data/CodedData.hpp"
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#include "ffmpeg/data/FrameData.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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using namespace logif;
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using namespace ffwrapper;
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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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,recorder_(NULL)
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,thread_(nullptr)
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,stop_stream_(false)
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,bridge_(NULL)
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,scale_w_(0)
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,scale_h_(0)
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,scale_f_(SWS_POINT)
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,gb_(0)
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,cpu_(0)
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,encoder_(nullptr)
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{
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makeTheWorld();
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}
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Wrapper::~Wrapper()
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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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if(bridge_){
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delete bridge_; bridge_ = NULL;
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}
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if(recorder_){
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delete recorder_; recorder_ = NULL;
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}
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if (encoder_){
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delete encoder_; encoder_ = NULL;
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}
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}
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void Wrapper::ScalePicture(const int w, const int h, const int flags){
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scale_w_ = w;
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scale_f_ = flags;
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scale_h_ = h;
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}
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void Wrapper::UseGB28181(){
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gb_ = 1;
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}
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void Wrapper::UseCPU(){
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cpu_ = 1;
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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("yolo can't find video stream\n");
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return nullptr;
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}
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bool flag = true;
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if(map_workers_.find(WORKER_DECODER) != map_workers_.end()){
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flag = in->openCodec(AVMEDIA_TYPE_VIDEO, NULL);
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auto dec_ctx = in->getCodecContext();
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if(bridge_)delete bridge_;
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scale_w_ = scale_w_ == 0 || scale_w_ > dec_ctx->width ? dec_ctx->width : scale_w_;
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scale_h_ = scale_h_ == 0 || scale_h_ > dec_ctx->height ? dec_ctx->height : scale_h_;
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AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
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bridge_ = new cvbridge(
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dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
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scale_w_, scale_h_, pix_fmt, scale_f_);
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}
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if (!flag){
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logIt("FormatIn openCodec Failed!");
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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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// ffwrapper::FormatIn* Wrapper::init_reader_gb28181(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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// ffwrapper::FormatIn* in(new FormatIn(prop.gpuAccl()));
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// AVDictionary *avdic = prop.optsFormat();
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// int flag = in->openGb28181(input, &avdic);
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// if(avdic){
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// logIt("ERROR:in->openGb28181(input, &avdic):flag:%d\n",flag);
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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("yolo can't find video stream\n");
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// return nullptr;
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// }
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// bool flag = true;
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// if(map_workers_.find(WORKER_DECODER) != map_workers_.end()){
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// flag = in->openCodec(AVMEDIA_TYPE_VIDEO, NULL);
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// auto dec_ctx = in->getCodecContext();
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// if(bridge_)delete bridge_;
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// scale_w_ = scale_w_ == 0 || scale_w_ > dec_ctx->width ? dec_ctx->width : scale_w_;
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// scale_h_ = scale_h_ == 0 || scale_h_ > dec_ctx->height ? dec_ctx->height : scale_h_;
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// AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
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// bridge_ = new cvbridge(
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// dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
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// scale_w_, scale_h_, pix_fmt, scale_f_);
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// }
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// if (!flag){
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// logIt("FormatIn openCodec Failed!");
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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::init_recorder(FormatIn *in, std::string dir, const int mind, const int maxd){
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if(!in){
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logIt("Init wrapper first");
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return -1;
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}
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if(recorder_){
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logIt("recorder exist");
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delete recorder_;
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}
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recorder_ = new Recorder(in);
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recorder_->SetCallback([&](int &index, std::string &path){
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cache_rec_info(index, path);
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});
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int trycnt = 0;
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while(trycnt < 100){
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const int ret = recorder_->Run(dir.c_str(), mind, maxd);
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if(ret == 0) break;
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usleep(200000);
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}
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return trycnt == 100;
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}
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void Wrapper::init_worker(ffwrapper::FormatIn *in){
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for(auto &i : map_workers_){
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if(i.second(in) != 0){
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logIt("worker %d init error", i.first);
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}
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}
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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!\n");
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usleep(200000);
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continue;
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}
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init_worker(in.get());
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int64_t id = 0;
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avpacket pkt;
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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)){
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logIt("read packet error");
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pkt.id = -1; data = nullptr; id = 0;
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}else{
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pkt.id = id++;
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}
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pkt.data = data;
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if(data != nullptr) {
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cacheAVPacket(data->getAVPacket());
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}
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run_worker(in.get(), pkt);
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if(!data){
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break;
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}
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//test
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if(recorder_)
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if(id % 250 == 0)
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recorder_->FireRecorder(id);
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}
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}
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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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//////////////recorder
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void Wrapper::BuildRecorder(const char *output, const int mindur, const int maxdur){
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std::string dir(output);
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map_workers_[WORKER_RECORDER] = [=](FormatIn *in){
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return init_recorder(in, dir, mindur, maxdur);
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};
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}
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int Wrapper::FireRecorder(const int64_t &id){
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if(recorder_){
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recorder_->FireRecorder(id);
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}
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}
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void Wrapper::cache_rec_info(int &index, std::string &path){
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if(func_rec_){ //active api
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func_rec_(path, index);
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}else{ // passive api
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std::lock_guard<std::mutex> l(mutex_rec_);
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while(list_rec_.size() > 10){
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for(int i = 0; i < 5; i++){
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list_rec_.pop_front();
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}
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}
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struct record_file_info info;
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info.file_frame_index = index;
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info.file_path = path;
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list_rec_.emplace_back(info);
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}
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}
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void Wrapper::GetInfoRecorder(int &index, std::string &path){
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std::lock_guard<std::mutex> l(mutex_rec_);
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if(list_rec_.empty()){
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index = -1;
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path = "";
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return;
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}
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auto info = list_rec_.front();
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index = info.file_frame_index;
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path = info.file_path;
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list_rec_.pop_front();
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}
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////////decoder
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void Wrapper::BuildDecoder(){
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map_workers_[WORKER_DECODER] = [&](FormatIn*){return 0;};
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}
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void Wrapper::cache_pic(std::shared_ptr<ffwrapper::FrameData> &frame){
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pic_bgr24 pic;
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if(bridge_){
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AVFrame *frm = frame->getAVFrame();
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pic.w = scale_w_;
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pic.h = scale_h_;
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unsigned char *data = (unsigned char*)malloc(pic.w * pic.h * 3);
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bridge_->copyPicture(data, frm);
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pic.data = data;
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}
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if(func_dec_){
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func_dec_(pic.data, pic.w, pic.h);
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}else{
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std::lock_guard<std::mutex> l(mutex_pic_);
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while(list_pic_.size() > 10){
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for(int i = 0; i < 5; i++){
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auto t = list_pic_.front();
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free(t.data);
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list_pic_.pop_front();
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}
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}
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list_pic_.emplace_back(pic);
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}
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}
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void Wrapper::GetPicDecoder(unsigned char **data, int *w, int *h){
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std::lock_guard<std::mutex> l(mutex_pic_);
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if(list_pic_.empty()){
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*data = NULL;
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*w = 0;
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*h = 0;
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return;
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}
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auto p = list_pic_.front();
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*data = p.data; *w = p.w; *h = p.h;
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list_pic_.pop_front();
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}
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void Wrapper::GetPacket(unsigned char **pktData, int *size, int *key){
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std::lock_guard<std::mutex> l(mutex_avpkt_);
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if(list_avpkt_.empty()){
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return;
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}
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auto pkt = list_avpkt_.front();
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*key = pkt.flags & AV_PKT_FLAG_KEY;
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*size = pkt.size;
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*pktData = (unsigned char *)malloc(*size);
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memcpy(*pktData, pkt.data, pkt.size);
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list_avpkt_.pop_front();
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}
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void Wrapper::cacheAVPacket(const AVPacket &pkt){
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std::lock_guard<std::mutex> l(mutex_pic_);
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while(list_avpkt_.size() > 10){
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// printf("cacheAVPacket drop packets!!!!!!!!!!\n");
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for(int i = 0; i < 5; i++){
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list_avpkt_.pop_front();
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}
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}
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list_avpkt_.emplace_back(pkt);
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}
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void Wrapper::run_worker(ffwrapper::FormatIn *in, avpacket &pkt){
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if(!pkt.data) return;
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if (map_workers_.find(WORKER_DECODER) != map_workers_.end()) {
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auto frame(std::make_shared<FrameData>());
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auto ret = in->decode(frame, pkt.data);
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if(ret == 1){
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//吐出数据
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cache_pic(frame);
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}
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}
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if(recorder_){
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recorder_->CachePacket(pkt);
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}
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}
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///// active api
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void Wrapper::ActiveRecorder(const char *dir, const int mind, const int maxd,
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FUNC_REC func){
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BuildRecorder(dir, mind, maxd);
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func_rec_ = func;
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}
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void Wrapper::ActiveDecoder(FUNC_DEC fn){
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BuildDecoder();
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func_dec_ = fn;
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}
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////// test
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uint8_t *Wrapper::decodeJPEG(const char *file, int *w, int *h){
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VideoProp prop;
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prop.url_ = file;
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prop.gpu_acc_ = false;
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std::unique_ptr<FormatIn> in(new FormatIn(prop.gpuAccl()));
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int flag = in->open(file, NULL);
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std::unique_ptr<cvbridge> bridge_(nullptr);
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if(flag == 0){
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if(!in->findStreamInfo(NULL)){
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logIt("yolo can't find video stream\n");
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return NULL;
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}
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auto flag = in->openCodec(AVMEDIA_TYPE_VIDEO, NULL);
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if(flag){
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auto dec_ctx = in->getCodecContext();
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AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
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bridge_.reset(new cvbridge(
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dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
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dec_ctx->width, dec_ctx->height, pix_fmt, SWS_BICUBIC));
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}else{
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logIt("FormatIn openCodec Failed!");
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return NULL;
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}
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}else{
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logIt("open %s error", input_url_.c_str());
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return NULL;
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}
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auto data(std::make_shared<CodedData>());
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if(!in->readPacket(data)){
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logIt("read packet error");
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return NULL;
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}
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auto frame(std::make_shared<FrameData>());
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auto ret = in->decode(frame, data);
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if(ret == 1){
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AVFrame *frm = frame->getAVFrame();
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*w = frm->width;
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*h = frm->height;
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unsigned char *data = (unsigned char*)malloc(frm->width * frm->height * 3);
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bridge_->copyPicture(data, frm);
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return data;
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}
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return NULL;
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}
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void Wrapper::BuildEncoder(const char *file, const int w, const int h, const int fps, const int br, const int gi){
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std::string dir(file);
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map_workers_[WORKER_ENCODER] = [=](FormatIn *in){
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return init_encoder(in, dir.c_str(), w, h, fps, br, gi);
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};
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}
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int Wrapper::init_encoder(FormatIn *in, const char *file, const int w, const int h, const int fps, const int br, const int gi){
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if(!in){
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logIt("Init wrapper first");
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return -1;
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}
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if(encoder_){
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logIt("recorder exist");
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delete encoder_;
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}
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VideoProp prop_;
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AVCodecContext *ctx = in->getCodecContext();
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if(w == 0 && h == 0){
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prop_.width_ = ctx->width;
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prop_.height_ = ctx->height;
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}
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prop_.sample_aspect_ratio_ = ctx->sample_aspect_ratio;
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encoder_ = new FormatOut(prop_, file);
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return 0;
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}
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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 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, 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->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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AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
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e->bridge = new cvbridge(
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w, h, AV_PIX_FMT_BGR24,
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e->w, e->h, ctx->pix_fmt, e->flag);
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}
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AVFrame *frame = e->bridge->getAVFrame(in, w, h);
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auto data(std::make_shared<CodedData>());
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const int flag = e->enc->encode(data, frame);
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if(flag > 0){
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auto pkt = data->getAVPacket();
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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_frame_free(&frame);
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return flag;
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}
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}
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