GetYUV format is NV12

zhangmeng

2023-12-26 18a05d269516a5e33d8460291c2f93e73d95adce

 csrc/wrapper.cpp

@@ -1,7 +1,9 @@
#include "wrapper.hpp"

#include <thread>
#include <atomic>
#include <unistd.h>
#include <sys/time.h>

extern "C"{
#include <libavformat/avformat.h>
@@ -12,53 +14,99 @@

#include "ffmpeg/configure/conf.hpp"
#include "ffmpeg/format/FormatIn.hpp"
#include "ffmpeg/property/VideoProp.hpp"
#include "ffmpeg/format/FormatOut.hpp"
#include "ffmpeg/data/CodedData.hpp"
#include "ffmpeg/data/FrameData.hpp"
#include "ffmpeg/property/VideoProp.hpp"
#include "ffmpeg/log/log.hpp"
#include "ffmpeg/bridge/cvbridge.hpp"

#include "buz/recorder.hpp"

using namespace logif;
#include "worker/stream.hpp"
#include "worker/decoder.hpp"
#include "worker/rec.hpp"
#include "common.hpp"

using namespace logif;
using namespace ffwrapper;

#define DELETE_POINTER(p) \
do \
{ \
if(NULL != p) \
delete p; \
p = NULL; \
}while(0)

namespace cffmpeg_wrap{
    using namespace buz;

    Wrapper::Wrapper()
    :input_url_("")
    ,recorder_(NULL)
    ,audio_(false)
    ,gb_(0)
    ,cpu_(0)
    ,devid_(-1)
    ,run_dec_(false)
    ,run_stream_(true)
    ,run_rec_(false)
    ,work_start(false)
    ,thread_(nullptr)
    ,stop_stream_(false)
    ,bridge_(NULL)
    ,scale_w_(0)
    ,scale_h_(0)
    ,scale_f_(SWS_POINT)
    ,stream_(nullptr)
    ,decoder_(nullptr)
    ,rec_(new rec)
    ,logit_(false)
    ,fps_(25)
    ,file_finished_(false)
    ,min_duration_(0)
    {
        makeTheWorld();
    }

    Wrapper::Wrapper(const char *logfile)
    :input_url_("")
    ,audio_(false)
    ,gb_(0)
    ,cpu_(0)
    ,devid_(-1)
    ,run_dec_(false)
    ,run_stream_(true)
    ,run_rec_(false)
    ,work_start(false)
    ,thread_(nullptr)
    ,stop_stream_(false)
    ,stream_(nullptr)
    ,decoder_(nullptr)
    ,rec_(new rec)
    ,logit_(true)
    ,fps_(25)
    ,file_finished_(false)
    ,min_duration_(0)
    {
        makeTheWorld();
        logif::CreateLogger(logfile, true);
    }


    Wrapper::~Wrapper()
    {
        if(thread_){
            stop_stream_.store(true);
            thread_->join();
        try
        {
            if(thread_){
                stop_stream_.store(true);
                thread_->join();
            }
            DELETE_POINTER(rec_);
        }
        if(bridge_){
            delete bridge_; bridge_ = NULL;
        catch(const std::exception& e)
        {
            logIt("WRAPPER EXCEPTION: ", e.what());
        }
        if(recorder_){
            delete recorder_; recorder_ = NULL;
        }
    }
        if (logit_)
            logif::DestroyLogger();

    void Wrapper::ScalePicture(const int w, const int h, const int flags){
        scale_w_ = w;
        scale_f_ = flags;
        scale_h_ = h;
        printf("wrapper release\n");
    }

    std::unique_ptr<ffwrapper::FormatIn> Wrapper::init_reader(const char* input){
@@ -66,104 +114,28 @@
        VideoProp prop;
        prop.url_ = input;
        prop.rtsp_tcp_ = true;
        prop.gpu_acc_ = false;
        prop.gpu_index_ = devid_;

       std::unique_ptr<FormatIn> in(new FormatIn(prop.gpuAccl()));
       AVDictionary *avdic = prop.optsFormat();
       int flag = in->open(input, &avdic);
       if(avdic){
          av_dict_free(&avdic);
       }
        if(flag == 0){
            if(!in->findStreamInfo(NULL)){
                logIt("yolo can't find video stream\n");
                return nullptr;
            }
            bool flag = true;
            if(map_workers_.find(WORKER_DECODER) != map_workers_.end()){
                flag = in->openCodec(AVMEDIA_TYPE_VIDEO, NULL);
                auto dec_ctx = in->getCodecContext();
                if(bridge_)delete bridge_;

                AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
                bridge_ = new cvbridge(
                        dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
                        scale_w_?scale_w_:dec_ctx->width, scale_h_?scale_h_:dec_ctx->height, pix_fmt,
                        scale_f_);
    
            }
            if (!flag){
                logIt("FormatIn openCodec Failed!");
                return nullptr;
            }
            return in;
       std::unique_ptr<FormatIn> in(nullptr);
       int flag = -1;
        AVDictionary* avdic = NULL;
        if (gb_){
            in.reset(new FormatInGB(prop));
        }else{
            in.reset(new FormatIn(prop, prop.gpuAccl()));
           avdic = prop.optsFormat();
        }

        if(avdic){
            flag = in->open(input, &avdic);
            av_dict_free(&avdic);
        }else{
            flag = in->open(input, NULL);
        }
        if(flag == 0) return in;

        return nullptr;
    }

    int Wrapper::init_recorder(FormatIn *in, std::string dir, const int mind, const int maxd){
        if(!in){
            logIt("Init wrapper first");
            return -1;
        }
        if(recorder_){
            logIt("recorder exist");
            delete recorder_;
        }

        recorder_ = new Recorder(in);
        recorder_->SetCallback([&](int &index, std::string &path){
            cache_rec_info(index, path);
        });

        int trycnt = 0;
        while(trycnt < 100){
            const int ret = recorder_->Run(dir.c_str(), mind, maxd);
            if(ret == 0) break;
            usleep(200000);
        }
        return trycnt == 100;
    }

    void Wrapper::init_worker(ffwrapper::FormatIn *in){
        for(auto &i : map_workers_){
            if(i.second(in) != 0){
                logIt("worker %d init error", i.first);
            }
        }
    }

    void Wrapper::run_stream_thread(){
        while(!stop_stream_.load()){
            auto in = init_reader(input_url_.c_str());
            if (!in) {
                usleep(200000);
                continue;
            }
            init_worker(in.get());

            int64_t id = 0;
            avpacket pkt;
            while(!stop_stream_.load()){
                auto data(std::make_shared<CodedData>());
               if(!in->readPacket(data)){
                    logIt("read packet error");
                    pkt.id = -1; data = nullptr; id = 0;
               }else{
                    pkt.id = id++;
                }
                pkt.data = data;

                run_worker(in.get(), pkt);
                if(!data){
                    break;
                }
                //test
                if(recorder_)
                    if(id % 250 == 0)
                        recorder_->FireRecorder(id);
            }
        }
    }

    int Wrapper::RunStream(const char* input){
@@ -181,172 +153,380 @@
        return 0;
    }

    //////////////recorder
    void Wrapper::BuildRecorder(const char *output, const int mindur, const int maxdur){
        std::string dir(output);
        map_workers_[WORKER_RECORDER] = [=](FormatIn *in){
            return init_recorder(in, dir, mindur, maxdur);
        };
    void Wrapper::AudioSwitch(const bool a){
        audio_ = a;
        // if (stream_){
        //     stream_->AudioSwitch(a);
        // }
    }

    int Wrapper::FireRecorder(const int64_t &id){
        if(recorder_){
            recorder_->FireRecorder(id);
        }
    }
    void Wrapper::init_worker(ffwrapper::FormatIn *in){
        if (rec_->Loaded() && stream_ && decoder_) return;

    void Wrapper::cache_rec_info(int &index, std::string &path){
        if(func_rec_){ //active api
            func_rec_(path, index);
        }else{                  // passive api
            std::lock_guard<std::mutex> l(mutex_rec_);
            while(list_rec_.size() > 10){
                for(int i = 0; i < 5; i++){
                    list_rec_.pop_front();
                }
            }
            struct record_file_info info;
            info.file_frame_index = index;
            info.file_path = path;
            list_rec_.emplace_back(info);
        }
    }

    void Wrapper::GetInfoRecorder(int &index, std::string &path){
        std::lock_guard<std::mutex> l(mutex_rec_);
        if(list_rec_.empty()){
            index = -1;
            path = "";
            return;
        }
        auto info = list_rec_.front();
        index = info.file_frame_index;
        path = info.file_path;
        list_rec_.pop_front();
    }

    ////////decoder
    void Wrapper::BuildDecoder(){
        map_workers_[WORKER_DECODER] = [&](FormatIn*){return 0;};
    }

    void Wrapper::cache_pic(std::shared_ptr<ffwrapper::FrameData> &frame){

        pic_bgr24 pic;
        if(bridge_){
            AVFrame *frm = frame->getAVFrame();
            unsigned char *data = (unsigned char*)malloc(frm->width * frm->height * 3);
            bridge_->copyPicture(data, frm);
            pic.data = data;
            pic.w = scale_w_ ? scale_w_ : frm->width;
            pic.h = scale_h_ ? scale_h_ : frm->height;
        }
        if(func_dec_){
            func_dec_(pic.data, pic.w, pic.h);
        }else{
            std::lock_guard<std::mutex> l(mutex_pic_);
            while(list_pic_.size() > 10){
                for(int i = 0; i < 5; i++){
                    auto t = list_pic_.front();
                    free(t.data);
                    list_pic_.pop_front();
                }
            }
            list_pic_.emplace_back(pic);
        }

    }

    void Wrapper::GetPicDecoder(unsigned char **data, int *w, int *h){
        std::lock_guard<std::mutex> l(mutex_pic_);
        if(list_pic_.empty()){
            *data = NULL;
            *w = 0;
            *h = 0;
            return;
        }
        auto p = list_pic_.front();
        *data = p.data; *w = p.w; *h = p.h;
        list_pic_.pop_front();
    }

    void Wrapper::run_worker(ffwrapper::FormatIn *in, avpacket &pkt){
        if(!pkt.data) return;
        if (map_workers_.find(WORKER_DECODER) != map_workers_.end()) {
            auto frame(std::make_shared<FrameData>());
            auto ret = in->decode(frame, pkt.data);
            if(ret == 1){
                //吐出数据
                cache_pic(frame);
            }
        }

        if(recorder_){
            recorder_->CachePacket(pkt);
        }
    }
    ///// active api
    void Wrapper::ActiveRecorder(const char *dir, const int mind, const int maxd,
                                FUNC_REC func){

        BuildRecorder(dir, mind, maxd);
        func_rec_ = func;
    }

    void Wrapper::ActiveDecoder(FUNC_DEC fn){
        BuildDecoder();
        func_dec_ = fn;
    }

    ////// test
    uint8_t *Wrapper::decodeJPEG(const char *file, int *w, int *h){
        VideoProp prop;
        prop.url_ = file;
        prop.gpu_acc_ = false;

        std::unique_ptr<FormatIn> in(new FormatIn(prop.gpuAccl()));
        int flag = in->open(file, NULL);
        stream_ = new stream(in, 3 * in->getFPS());
        // stream_->AudioSwitch(audio_);
        
        std::unique_ptr<cvbridge> bridge_(nullptr);
        decoder_ = new decoder(in);

        if(flag == 0){
            if(!in->findStreamInfo(NULL)){
                logIt("yolo can't find video stream\n");
                return NULL;
            }
            auto flag = in->openCodec(AVMEDIA_TYPE_VIDEO, NULL);
            if(flag){
                auto dec_ctx = in->getCodecContext();

                AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
                bridge_.reset(new cvbridge(
                        dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
                        dec_ctx->width, dec_ctx->height, pix_fmt, SWS_BICUBIC));
        rec_->Load(in);
        if(fn_rec_lazy_) {
            fn_rec_lazy_();
            fn_rec_lazy_ = nullptr;
        }
    }
    
            }else{
                logIt("FormatIn openCodec Failed!");
                return NULL;
            }
        }else{
            logIt("open %s error", input_url_.c_str());
            return NULL;
    int Wrapper::run_worker(ffwrapper::FormatIn *in, const CPacket &pkt){
        if (gb_){
            AVPacket &p = pkt.data->getAVPacket();
            // p.pts = p.dts = AV_NOPTS_VALUE;
        }
        
        auto data(std::make_shared<CodedData>());
        if(!in->readPacket(data)){
            logIt("read packet error");
            return NULL;
        }
        auto frame(std::make_shared<FrameData>());
        auto ret = in->decode(frame, data);
        if(ret == 1){
            AVFrame *frm = frame->getAVFrame();
            *w = frm->width;
            *h = frm->height;
            unsigned char *data = (unsigned char*)malloc(frm->width * frm->height * 3);
            bridge_->copyPicture(data, frm);
            return data;
        }
        return NULL;
        int flag = 0;
        if (run_stream_ && stream_) stream_->SetPacket(pkt);
        if (run_dec_ && decoder_) flag = decoder_->SetFrame(pkt);
        if (run_rec_ && rec_->Loaded()) rec_->SetPacket(pkt);

        return flag;
    }
}

    void Wrapper::deinit_worker(){
        DELETE_POINTER(stream_);
        DELETE_POINTER(decoder_);
        rec_->Unload();
    }

    void Wrapper::run_stream_thread(){
        
        int64_t file_rebootime = 0;
        int64_t file_frame = 0;

        using namespace std;
        // const string gb_suffix[] = {"/StreamType=2", "/StreamType=3", ""};
        // const string gb_suffix[] = {"/StreamType=2", ""};
        const string gb_suffix[] = {""};
        const size_t gb_size = sizeof(gb_suffix) / sizeof(string);
        int gs_idx = 0;
        string url;
        url.reserve(input_url_.size()*2);
        url = input_url_;
        work_start = false;
        while(!stop_stream_.load()){
            if (gb_){
                if (input_url_.find("/StreamType=") == string::npos)
                    url = input_url_ + gb_suffix[gs_idx];
                logIt("======>>input real url %s\n", url.c_str());
                gs_idx = (gs_idx + 1) % gb_size;
            }
            auto in = init_reader(url.c_str());
            
            if (!in) {
                work_start = false;
                logIt("ERROR: init_reader! url: %s\n", url.c_str());
                usleep(126000);
                // for(int i = 0; i < 10; i++){
                //     if (stop_stream_.load()) break;
                    if(gb_) usleep(2617000);
                // }
                continue;
            }

            fps_ = in->getFPS();
            
            if (fps_ < 1 || fps_ > 200){
                fps_ = 25;
            }

            int wTime = 1000000.0 / fps_ ;
            wTime >>= 1;

            init_worker(in.get());
            work_start = true;

            int64_t id = gb_ ? 0 : -1;
            int64_t v_id = id;
            int64_t a_id = id;

            bool exist = access(input_url_.c_str(), 0) == 0;
            if (exist){
                wTime += wTime/2;
                file_rebootime++;
            }

            logIt("WAIT TIME PER FRAME: %d", wTime);

            while(!stop_stream_.load()){
                auto data(std::make_shared<CodedData>());
                auto ret = in->readPacket(&data->getAVPacket());
                if (ret > 0){
                    sleep(2);
                    continue;
                }

                if (ret < 0){
                    logIt("read packet error, id: %lld", id);
                    break;
                }
                // 非音视频
                if (in->notVideoAudio(&data->getAVPacket())){
                    continue;
                }

                // 非国标跳过第一帧,测试第一帧有问题
                if (!gb_ && id < 0){
                    id++; v_id++; a_id++;
                    continue;
                }
                CPacket pkt{data, v_id, a_id, id};
               // decode error
                if (run_worker(in.get(), pkt) == -1){
                    break;
                }

                if (in->isVideoPkt(&data->getAVPacket())){
                    v_id++;
                }else{
                    a_id++;
                }

                id++;

                //本地文件太快sleep一下
                if (exist && in->isVideoPkt(&data->getAVPacket())){
                    // 记录解码的文件有多少帧
                    file_frame++;
                    usleep(wTime);
                }
            }

            deinit_worker();
            if (exist) {
                // 三次一帧都没解出来，退出
                if (file_frame == 0 && file_rebootime < 3){
                    logIt("libcffmpeg.so-> run %lld time, current frames %lld", file_rebootime, file_frame);
                    continue;
                }
                // 最小需要解出多少帧
                if (file_frame < min_duration_ * fps_){
                    logIt("libcffmpeg.so-> run %lld time, current frames %lld, mind %d, fps: %d",
                     file_rebootime, file_frame, min_duration_, fps_);
                    continue;
                }
                logIt("libcffmpeg.so-> local file %s run %lld time, all frames %lld, mind %d, fps: %d", 
                    input_url_.c_str(), file_rebootime, file_frame, min_duration_, fps_);
                file_finished_ = true;
                break;
            }
        }
    }

    void Wrapper::SetRecMinCacheTime(const int mind, const int maxd){
        min_duration_ = mind;
    }

    void Wrapper::OpenRecorder(){
        run_rec_ = true;
    }
    
    void Wrapper::BuildRecorder(const char* id, const char *output, const int64_t &fid, const int mindur, const int maxdur, const bool audio){
        bool a = audio;
        if (gb_) a = false;
        
        if (rec_->Loaded()){
            rec_->NewRec(id, output, fid, mindur, maxdur, a);
        }else{
            std::string rid(id), dir(output);
            fn_rec_lazy_ = 
            [=]{rec_->NewRec(rid.c_str(), dir.c_str(), fid, mindur, maxdur, a);};
        }
    }
    int Wrapper::FireRecorder(const char* sid,const int64_t &id){
        if (rec_->Loaded()){
            rec_->FireRecSignal(sid, id);
        }
        return 0;
    }

    int Wrapper::GetInfoRecorder(std::string &recID, int &index, std::string &path){
        if (work_start && rec_){
            rec_->GetRecInfo(recID, index, path);
        }
        return 0;
    }
    ////////decoder
    void Wrapper::OpenDecoder(){
        run_dec_ = true;
    }

    int Wrapper::GetPicDecoder(unsigned char **data, int *w, int *h, int *format, int *length, int64_t *id){
        if (file_finished_){
            return -1;
        }
        if (decoder_){
            decoder_->GetFrame(data, w, h, format, length, id);
        }else {
            if (work_start){
                for(int i = 0; i < 6; i++)this_thread::sleep_for(chrono::seconds{1});
            }
        }
        return 0;
    }
    
    void Wrapper::CloseStream(){
        run_stream_ = false;
    }

    int Wrapper::GetPacket(unsigned char **pktData, int *size, int *key){
        if (work_start && stream_){
            stream_->GetPacket(pktData, size, key);
        }
        return 0;
    }

} // end class wrapper
///////////////////////////////////////////////////////////
///single decode or encoder
////// decoder

#include "ffmpeg/data/FrameData.hpp"

// return val: -1 open error; -2, find stream error; -3, converter create
namespace cffmpeg_wrap{ // start test functions
/////// for encoder
    typedef struct _PicEncoder{
        FormatOut *enc;
        int w;
        int h;
        int fps;
        int br;
        int gi;
        int pix_fmt;
        int flag;
        cvbridge *bridge;
    } PicEncoder;

    void *CreateEncoder(const int w, const int h, const int fps, const int br, 
                        const int pix_fmt, const int scale_flag, const int gi){

        PicEncoder *e = (PicEncoder*)malloc(sizeof(PicEncoder));
        e->enc = NULL;
        e->w = w;
        e->h = h;
        e->fps = fps;
        e->br = br;
        e->gi = gi;
        e->pix_fmt = pix_fmt;
        e->flag = scale_flag;
        e->bridge = NULL;

        VideoProp prop_;
        prop_.width_ = w;
        prop_.height_ = h;
        prop_.fps_ = fps;
        prop_.bit_rate_ = br;
        gi < 0 ? prop_.gpu_acc_ = false : prop_.gpu_acc_ = true;

      FormatOut *enc = new FormatOut(prop_, "./88.mp4");
        e->enc = enc;

        return e;
    }

    void DestroyEncoder(void *h){
        PicEncoder *e = (PicEncoder*)h;
        if (e == NULL){
            return;
        }

        delete e->bridge;
        delete e->enc;

        free(e);
    }

    int Encode(void *hdl, uint8_t *in, const int w, const int h, uint8_t **out, int *size, int *key){

        PicEncoder *e = (PicEncoder*)hdl;
        auto ctx = e->enc->getCodecContext();

        if (e->bridge == NULL){
            e->bridge = new cvbridge(
                    w, h, e->pix_fmt,
                    e->w, e->h, ctx->pix_fmt, e->flag);
        }

        AVFrame *bgr_frame = cvbridge::fillFrame(in, w, h, e->pix_fmt);
        AVFrame *frame = e->bridge->convert2Frame(bgr_frame);
        av_frame_free(&bgr_frame);

        AVPacket *pkt = av_packet_alloc();
	
        auto flag = e->enc->encode(pkt, frame);
      if(flag == 0){
            int extradata_size = ctx->extradata_size;
         uint8_t *extra = ctx->extradata;

            *key = pkt->flags & AV_PKT_FLAG_KEY;
           if(!(*key)){
               extradata_size = 0;
           }
           *size = pkt->size + extradata_size;
           *out = (unsigned char *)malloc(*size);

           memcpy(*out, extra, extradata_size);
           memcpy(*out + extradata_size, pkt->data, pkt->size);

      }else{
         logIt("encode error or need more packet\n");
      }

        av_packet_free(&pkt);
        av_frame_free(&frame);

        return flag;
    }

#ifdef GB28181
    int GetGb28181Pic(const char *rtspUrl, char *retData, int *retDataLen, const int tt){
        int ret = 0;
        std::atomic_bool add_camera{false};

        std::thread t([&]{
            auto handle_gb28181 = new GB28181API;
            std::string ru(rtspUrl);
            if(handle_gb28181->addCamera(ru) == -1){
                delete(handle_gb28181);
                logIt("do addCamera Error\n");
                ret = -2;
                return;
            }
            add_camera.store(true);
            std::this_thread::sleep_for(std::chrono::seconds(1));
            int retLen = handle_gb28181->capturePic(handle_gb28181, retData, retDataLen, tt);
            if(retLen == 0){
                logIt("do capturePic failed:%d");
                ret = -1;
            }

            handle_gb28181->deleteCamera();
            delete handle_gb28181;
        });

        std::this_thread::sleep_for(std::chrono::seconds(1));

        int ttt = tt;
        if (ttt < 6) ttt = 6;

        int i = -1;
        while (true) {
            std::this_thread::sleep_for(std::chrono::seconds(1));
            if (add_camera.load()) {
                t.join();
                return ret;
            }
            if (i++ > ttt) break;
        }
        t.detach();
        return -1;
    }
#endif
}