From cd3fe8cc1ae9028acb4f630ed16c12f4fb327f3c Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期四, 10 十月 2019 17:35:12 +0800
Subject: [PATCH] add interface out

---
 csrc/wrapper.cpp |  649 +++++++++++++++++++++++++++-------------------------------
 1 files changed, 301 insertions(+), 348 deletions(-)

diff --git a/csrc/wrapper.cpp b/csrc/wrapper.cpp
index 0b7b6ca..7149cbf 100644
--- a/csrc/wrapper.cpp
+++ b/csrc/wrapper.cpp
@@ -13,67 +13,83 @@
 #include "ffmpeg/configure/conf.hpp"
 #include "ffmpeg/format/FormatIn.hpp"
 #include "ffmpeg/format/FormatOut.hpp"
-#include "ffmpeg/property/VideoProp.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 "CUDALERP.h"
+
+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)
-    ,thread_(nullptr)
-    ,stop_stream_(false)
-    ,bridge_(NULL)
-    ,scale_w_(0)
-    ,scale_h_(0)
-    ,scale_f_(SWS_POINT)
+    ,audio_(false)
     ,gb_(0)
     ,cpu_(0)
-    ,encoder_(nullptr)
+    ,run_dec_(false)
+    ,thread_(nullptr)
+    ,stop_stream_(false)
+    ,stream_(nullptr)
+    ,decoder_(nullptr)
+    ,rec_(new rec)
+    ,logit_(false)
     {
         makeTheWorld();
+    }
+
+    Wrapper::Wrapper(const char *logfile)
+    :input_url_("")
+    ,audio_(false)
+    ,gb_(0)
+    ,cpu_(0)
+    ,run_dec_(false)
+    ,thread_(nullptr)
+    ,stop_stream_(false)
+    ,stream_(nullptr)
+    ,decoder_(nullptr)
+    ,rec_(new rec)
+    ,logit_(true)
+    {
+        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 (encoder_){
-            delete encoder_; encoder_ = NULL;
-        }
-    }
-
-    void Wrapper::ScalePicture(const int w, const int h, const int flags){
-        scale_w_ = w;
-        scale_f_ = flags;
-        scale_h_ = h;
-    }
-
-    void Wrapper::UseGB28181(){
-        gb_ = 1;
-    }
-
-    void Wrapper::UseCPU(){
-        cpu_ = 1;
+        if (logit_)
+            logif::DestroyLogger();
     }
 
     std::unique_ptr<ffwrapper::FormatIn> Wrapper::init_reader(const char* input){
@@ -96,142 +112,14 @@
     	}
         if(flag == 0){
             if(!in->findStreamInfo(NULL)){
-                logIt("yolo can't find video stream\n");
+                logIt("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_;
-
-                scale_w_ = scale_w_ == 0 || scale_w_ > dec_ctx->width ? dec_ctx->width : scale_w_;
-                scale_h_ = scale_h_ == 0 || scale_h_ > dec_ctx->height ? dec_ctx->height : scale_h_;
-
-                AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
-                bridge_ = new cvbridge(
-                        dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
-                        scale_w_, scale_h_, pix_fmt, scale_f_);
-    
-            }
-            if (!flag){
-                logIt("FormatIn openCodec Failed!");
-                return nullptr;
-            }
+            
             return in;
         }
 
         return nullptr;
-    }
-
-    // ffwrapper::FormatIn* Wrapper::init_reader_gb28181(const char* input){
-
-    //     VideoProp prop;
-    //     prop.url_ = input;
-    //     prop.rtsp_tcp_ = true;
-    //     prop.gpu_acc_ = !cpu_;
-    //     ffwrapper::FormatIn* in(new FormatIn(prop.gpuAccl()));
-    // 	AVDictionary *avdic = prop.optsFormat();
-    // 	int flag = in->openGb28181(input, &avdic);
-    // 	if(avdic){
-    //         logIt("ERROR:in->openGb28181(input, &avdic):flag:%d\n",flag);
-    // 		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_;
-    //             scale_w_ = scale_w_ == 0 || scale_w_ > dec_ctx->width ? dec_ctx->width : scale_w_;
-    //             scale_h_ = scale_h_ == 0 || scale_h_ > dec_ctx->height ? dec_ctx->height : scale_h_;
-    //             AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
-    //             bridge_ = new cvbridge(
-    //                     dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
-    //                     scale_w_, scale_h_, pix_fmt, scale_f_);
-    //         }
-    //         if (!flag){
-    //             logIt("FormatIn openCodec Failed!");
-    //             return nullptr;
-    //         }
-    //         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) {
-                logIt("ERROR: init_reader! url: %s\n", input_url_.c_str());
-                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;
-                if(data != nullptr) {
-                    cacheAVPacket(data->getAVPacket());
-                }
-
-                run_worker(in.get(), pkt);
-                if(!data){
-                    break;
-                }
-                //test
-                // if(recorder_)
-                //     if(id % 250 == 0)
-                //         recorder_->FireRecorder(id);
-            }
-        }
     }
 
     int Wrapper::RunStream(const char* input){
@@ -249,167 +137,166 @@
         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;
+
+        stream_ = new stream(in, 3 * in->getFPS());
+        // stream_->AudioSwitch(audio_);
+
+        decoder_ = new decoder(in);
+
+        rec_->Load(in);
+        if(fn_rec_lazy_) {
+            fn_rec_lazy_();
+            fn_rec_lazy_ = nullptr;
         }
     }
+    
+    int Wrapper::run_worker(ffwrapper::FormatIn *in, std::shared_ptr<ffwrapper::CodedData> data, int64_t &id){
+        if (gb_){
+            AVPacket &pkt = data->getAVPacket();
+            pkt.pts = pkt.dts = AV_NOPTS_VALUE;
+        }
+        int flag = 0;
+        if (stream_) stream_->SetPacket(data, id);
+        if (decoder_ && run_dec_) flag = decoder_->SetFrame(data, id);
+        if (rec_->Loaded()) rec_->SetPacket(data, id);
 
-    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();
-                }
+        return flag;
+    }
+
+    void Wrapper::deinit_worker(){
+        DELETE_POINTER(stream_);
+        DELETE_POINTER(decoder_);
+        rec_->Unload();
+    }
+
+    void Wrapper::run_stream_thread(){
+        
+        while(!stop_stream_.load()){
+            auto in = init_reader(input_url_.c_str());
+            
+            if (!in) {
+                logIt("ERROR: init_reader! url: %s\n", input_url_.c_str());
+                sleep(2);
+                continue;
             }
-            struct record_file_info info;
-            info.file_frame_index = index;
-            info.file_path = path;
-            list_rec_.emplace_back(info);
-            logIt("list rec files count : %d", list_rec_.size());
+            
+            int wTime = 1000000.0 / in->getFPS() ;
+            wTime >>= 1;
+            logIt("WAIT TIME PER FRAME: %d", wTime);
+
+            init_worker(in.get());
+
+            int64_t id = gb_ ? 0 : -1;
+
+            while(!stop_stream_.load()){
+                auto data(std::make_shared<CodedData>());
+                if (in->readPacket(&data->getAVPacket()) != 0){
+                    logIt("read packet error, id: %lld", id);
+                    break;
+                }
+
+                if (in->notVideoAudio(&data->getAVPacket())){
+                    continue;
+                }
+                
+                if (!gb_ && id < 0){
+                    id++;
+                    continue;
+                }
+    	        // decode error
+                if (run_worker(in.get(), data, id) == -1){
+                    break;
+                }
+                usleep(wTime);
+
+                id++;
+            }
+
+            deinit_worker();
         }
     }
 
-    void Wrapper::GetInfoRecorder(int &index, std::string &path){
-        std::lock_guard<std::mutex> l(mutex_rec_);
-        if(list_rec_.empty()){
-            index = -1;
-            path = "";
-            return;
+    void Wrapper::BuildRecorder(const char* id, const char *output, const int mindur, const int maxdur, const bool audio){
+        bool a = audio;
+        if (gb_) a = false;
+
+        if (rec_->Loaded()){
+            rec_->NewRec(id, output, mindur, maxdur, a);
+        }else{
+            std::string rid(id), dir(output);
+            fn_rec_lazy_ = 
+            [=]{rec_->NewRec(rid.c_str(), dir.c_str(), mindur, maxdur, a);};
         }
-        auto info = list_rec_.front();
-        index = info.file_frame_index;
-        path = info.file_path;
-        list_rec_.pop_front();
-        logIt("go get info index: %d, file: %s\n", index, path.c_str());
     }
 
+    int Wrapper::FireRecorder(const char* sid,const int64_t &id){
+        if (rec_->Loaded()){
+            rec_->FireRecSignal(sid, id);
+        }
+    }
+
+    void Wrapper::GetInfoRecorder(std::string &recID, int &index, std::string &path){
+        if (rec_){
+            rec_->GetRecInfo(recID, index, path);
+        }
+    }
     ////////decoder
     void Wrapper::BuildDecoder(){
-        map_workers_[WORKER_DECODER] = [&](FormatIn*){return 0;};
+        run_dec_ = true;
     }
 
-    void Wrapper::cache_pic(std::shared_ptr<ffwrapper::FrameData> &frame){
-
-        pic_bgr24 pic;
-        if(bridge_){
-            AVFrame *frm = frame->getAVFrame();
-            pic.w = scale_w_;
-            pic.h = scale_h_;
-
-            unsigned char *data = (unsigned char*)malloc(pic.w * pic.h * 3);
-            bridge_->copyPicture(data, frm);
-            pic.data = data;
+    void Wrapper::GetPicDecoder(unsigned char **data, int *w, int *h, int *format, int *length, int64_t *id){
+        if (decoder_){
+            decoder_->GetFrame(data, w, h, format, length, id);
         }
-        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::GetPacket(unsigned char **pktData, int *size, int *key){
-        std::lock_guard<std::mutex> l(mutex_avpkt_);
-        if(list_avpkt_.empty()){
-            return;
-        }
-        auto pkt = list_avpkt_.front();
-        *key = pkt.flags & AV_PKT_FLAG_KEY;
-        *size = pkt.size;
-        *pktData = (unsigned char *)malloc(*size);
-        memcpy(*pktData, pkt.data, pkt.size);
-
-        list_avpkt_.pop_front();
-    }
-    void Wrapper::cacheAVPacket(const AVPacket &pkt){
-        std::lock_guard<std::mutex> l(mutex_pic_);
-        while(list_avpkt_.size() > 10){
-//            printf("cacheAVPacket drop packets!!!!!!!!!!\n");
-            for(int i = 0; i < 5; i++){
-                list_avpkt_.pop_front();
-            }
-        }
-        list_avpkt_.emplace_back(pkt);
-    }
-
-    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){
-                //鍚愬嚭鏁版嵁
-                cache_pic(frame);
-            }
-        }
-
-        if(recorder_){
-            recorder_->CachePacket(pkt);
+        if (stream_){
+            stream_->GetPacket(pktData, size, key);
         }
     }
-    ///// active api
-    void Wrapper::ActiveRecorder(const char *dir, const int mind, const int maxd,
-                                FUNC_REC func){
 
-        BuildRecorder(dir, mind, maxd);
-        func_rec_ = func;
-    }
+} // end class wrapper
+///////////////////////////////////////////////////////////
+///single decode or encoder
+////// decoder
 
-    void Wrapper::ActiveDecoder(FUNC_DEC fn){
-        BuildDecoder();
-        func_dec_ = fn;
-    }
+#include "ffmpeg/data/FrameData.hpp"
 
-    ////// test
-    uint8_t *Wrapper::decodeJPEG(const char *file, int *w, int *h){
+// return val: -1 open error; -2, find stream error; -3, converter create
+namespace cffmpeg_wrap{ // start test functions
+    uint8_t* Decode(const char *file, const int gb, 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);
-        
+        int flag = -1;
+        if (gb){
+            flag = in->openGb28181(file, NULL);
+        }else{
+            flag = in->open(file, NULL);
+        }
+
         std::unique_ptr<cvbridge> bridge_(nullptr);
 
         if(flag == 0){
             if(!in->findStreamInfo(NULL)){
                 logIt("yolo can't find video stream\n");
+                *w = *h = -2;
                 return NULL;
             }
-            auto flag = in->openCodec(AVMEDIA_TYPE_VIDEO, NULL);
+            auto flag = in->openCodec(NULL);
             if(flag){
                 auto dec_ctx = in->getCodecContext();
 
@@ -420,62 +307,37 @@
     
             }else{
                 logIt("FormatIn openCodec Failed!");
+                *w = *h = -3;
                 return NULL;
             }
         }else{
-            logIt("open %s error", input_url_.c_str());
+            logIt("open %s error", file);
+            *w = *h = -1;
             return NULL;
         }
         
-        auto data(std::make_shared<CodedData>());
-        if(!in->readPacket(data)){
-            logIt("read packet error");
-            return NULL;
+        uint8_t *pic = NULL;
+        *w = *h = 0;
+
+        int tryTime = 0;
+        while (tryTime++ < 100){
+            
+            auto data(std::make_shared<CodedData>());
+            if (in->readPacket(&data->getAVPacket()) == 0){
+
+                auto frame(std::make_shared<FrameData>());
+                AVFrame *frm = frame->getAVFrame(); 
+                if(in->decode(frm, &data->getAVPacket()) == 0){
+                    *w = frm->width;
+                    *h = frm->height;
+                    pic = bridge_->convert2Data(frm);
+                    break;
+                }
+            }
         }
-        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;
+
+        return pic;
     }
-
-
-    void Wrapper::BuildEncoder(const char *file, const int w, const int h, const int fps, const int br, const int gi){
-        std::string dir(file);
-
-        map_workers_[WORKER_ENCODER] = [=](FormatIn *in){
-            return init_encoder(in, dir.c_str(), w, h, fps, br, gi);
-        };
-    }
-
-    int Wrapper::init_encoder(FormatIn *in, const char *file, const int w, const int h, const int fps, const int br, const int gi){
-        if(!in){
-            logIt("Init wrapper first");
-            return -1;
-        }
-        if(encoder_){
-            logIt("recorder exist");
-            delete encoder_;
-        }
-
-        VideoProp prop_;
-        AVCodecContext *ctx = in->getCodecContext();
-		if(w == 0 && h == 0){
-			prop_.width_ = ctx->width;
-			prop_.height_ = ctx->height;
-		}
-        prop_.sample_aspect_ratio_ = ctx->sample_aspect_ratio;
-		encoder_ = new FormatOut(prop_, file);
-
-        return 0;
-    }
-
 /////// for encoder
     typedef struct _PicEncoder{
         FormatOut *enc;
@@ -530,40 +392,131 @@
         PicEncoder *e = (PicEncoder*)hdl;
         auto ctx = e->enc->getCodecContext();
 
+        AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
         if (e->bridge == NULL){
-            AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
             e->bridge = new cvbridge(
                     w, h, AV_PIX_FMT_BGR24,
                     e->w, e->h, ctx->pix_fmt, e->flag);
         }
 
-        AVFrame *frame = e->bridge->getAVFrame(in, w, h);
-        auto data(std::make_shared<CodedData>());
+        AVFrame *frame = cvbridge::fillFrame(in, w, h, pix_fmt);
+        AVPacket *pkt = av_packet_alloc();
 	
-		const int flag = e->enc->encode(data, frame);
-		if(flag > 0){
-            auto pkt = data->getAVPacket();
+        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;
+            *key = pkt->flags & AV_PKT_FLAG_KEY;
     	    if(!(*key)){
     	        extradata_size = 0;
     	    }
-    	    *size = pkt.size + extradata_size;
+    	    *size = pkt->size + extradata_size;
     	    *out = (unsigned char *)malloc(*size);
 
     	    memcpy(*out, extra, extradata_size);
-    	    memcpy(*out + extradata_size, pkt.data, pkt.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;
     }
 
+///////////////////////////////////////////////////////////
+    typedef struct _conv
+    {
+        int srcW;
+        int srcH;
+        int srcF;
+        int dstW;
+        int dstH;
+        cvbridge *b;
+    }Conv;
+    
+    void *CreateConvertor(const int srcW, const int srcH, const int srcFormat,
+                          const int dstW, const int dstH, const int dstFormat, const int flag){
+        
+        auto bridge = new cvbridge(
+                srcW, srcH, srcFormat,
+                dstW, dstH, dstFormat, flag);
+        if (!bridge) return NULL;
+
+        Conv *c = (Conv*)malloc(sizeof(Conv));
+        c->b = bridge;
+        c->dstW = dstW;
+        c->dstH = dstH;
+        c->srcW = srcW;
+        c->srcH = srcH;
+        c->srcF = srcFormat;
+
+        return c;
+    }
+
+    uint8_t *Convert(void *h, uint8_t *src){
+        Conv *c = (Conv*)h;
+
+        auto b = c->b;
+
+        AVFrame *tmp_frm = cvbridge::fillFrame(src, c->srcW, c->srcH, c->srcF);
+        if (!tmp_frm) return NULL;
+
+        unsigned char *picData = b->convert2Data(tmp_frm);
+
+        av_frame_free(&tmp_frm);
+        
+        return picData;
+    }
+
+    void DestoryConvertor(void *h){
+        Conv *c = (Conv*)h;
+        delete c->b;
+        free(c);
+    }
+
+
+    uint8_t* ConvertYUV2BGR(uint8_t *src, const int w, const int h, const int dst_w, const int dst_h, int *length){
+        return NULL;
+
+        // int oldw = w, oldh = h, neww = dst_w, newh = dst_h;
+        // 	// setting cache and shared modes
+	    // cudaDeviceSetCacheConfig(cudaFuncCachePreferL1);
+	    // cudaDeviceSetSharedMemConfig(cudaSharedMemBankSizeFourByte);
+
+	    // // allocating and transferring image and binding to texture object
+	    // cudaChannelFormatDesc chandesc_img = cudaCreateChannelDesc(8, 0, 0, 0, cudaChannelFormatKindUnsigned);
+	    // cudaArray* d_img_arr;
+	    // cudaMallocArray(&d_img_arr, &chandesc_img, oldw, oldh, cudaArrayTextureGather);
+	    // cudaMemcpyToArray(d_img_arr, 0, 0, image, oldh * oldw, cudaMemcpyHostToDevice);
+	    // struct cudaResourceDesc resdesc_img;
+	    // memset(&resdesc_img, 0, sizeof(resdesc_img));
+	    // resdesc_img.resType = cudaResourceTypeArray;
+	    // resdesc_img.res.array.array = d_img_arr;
+	    // struct cudaTextureDesc texdesc_img;
+	    // memset(&texdesc_img, 0, sizeof(texdesc_img));
+	    // texdesc_img.addressMode[0] = cudaAddressModeClamp;
+	    // texdesc_img.addressMode[1] = cudaAddressModeClamp;
+	    // texdesc_img.readMode = cudaReadModeNormalizedFloat;
+	    // texdesc_img.filterMode = cudaFilterModePoint;
+	    // texdesc_img.normalizedCoords = 0;
+	    // cudaTextureObject_t d_img_tex = 0;
+	    // cudaCreateTextureObject(&d_img_tex, &resdesc_img, &texdesc_img, nullptr);
+
+	    // uint8_t* d_out = nullptr;
+	    // cudaMalloc(&d_out, total);
+
+	    // for (int i = 0; i < warmups; ++i) CUDALERP(d_img_tex, oldw, oldh, d_out, neww, newh);
+	    // auto start = high_resolution_clock::now();
+	    // for (int i = 0; i < runs; ++i) CUDALERP(d_img_tex, oldw, oldh, d_out, neww, newh);
+	    // auto end = high_resolution_clock::now();
+	    // auto sum = (end - start) / runs;
+
+	    // auto h_out = new uint8_t[neww * newh];
+	    // cudaMemcpy(h_out, d_out, total, cudaMemcpyDeviceToHost);
+    }
 }
 

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