From 5dc20e14010d1cf87db73ddd0de2de452049e542 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期六, 28 九月 2019 16:33:18 +0800
Subject: [PATCH] add rec h265

---
 csrc/ffmpeg/format/FormatIn.cpp  |    8 +-
 csrc/wrapper.cpp                 |    4 
 csrc/worker/rec.cpp              |    4 
 csrc/ffmpeg/format/FormatOut.cpp |    6 +
 csrc/buz/recorder.hpp            |   13 +++
 csrc/buz/recorder.cpp            |  199 ++++++++++++++++++++++++++++++++++++++++++++++---
 6 files changed, 210 insertions(+), 24 deletions(-)

diff --git a/csrc/buz/recorder.cpp b/csrc/buz/recorder.cpp
index c3b4d84..970a68e 100644
--- a/csrc/buz/recorder.cpp
+++ b/csrc/buz/recorder.cpp
@@ -36,8 +36,12 @@
         ,error_occured_(false)
         ,audio_(false)
         ,cur_frame_a(0)
+        ,fp_(NULL)
         {
-            // logIt("RECODER ID: %s", id_.c_str());
+            if (in){
+                maxduration = 30 * in->getFPS();
+                minduration = 10 * in->getFPS();
+            }
         }
 
         Recorder::~Recorder(){
@@ -58,17 +62,17 @@
             {
                 logIt("RECODER DESTRUCTOR EXCEPTION: ", e.what());
             }
+
+            if (fp_) {
+                fclose(fp_);
+                fp_ = NULL;
+            }
             
         }
 
-        int Recorder::init_writer(const bool audio){
+        int Recorder::init_write_h264(const bool audio){
             if (out_) {
                 delete out_;
-            }
-
-            if(!in_){
-                logIt("init_writer FormatIn not init");
-                return -1;
             }
 
             out_ = new FormatOut(in_->getFPS(), "mp4");
@@ -95,7 +99,40 @@
             return -1;
         }
 
-        int Recorder::write_correctly(const CPacket &pkt){
+        int Recorder::init_write_hevc(const bool audio){
+            if (fp_){
+                fclose(fp_);
+            }
+
+            int pid = getpid();
+            file_path_ = dir_ + "/" + sole::uuid4().base62() + "-" + std::to_string(pid) + ".hevc";
+
+            fp_ = fopen(file_path_.c_str(), "wb");
+            if (!fp_){
+                logIt("write hevc open file error: %s", file_path_.c_str());
+                return -1;
+            }
+            logIt("start record file: %s", file_path_.c_str());
+
+            return 0;
+        }
+
+        int Recorder::init_writer(const bool audio){
+            if(!in_){
+                logIt("init_writer FormatIn not init");
+                return -1;
+            }
+
+            if (in_->IsHEVC()){
+                return init_write_hevc(audio);
+            }else{
+                return init_write_h264(audio);
+            }
+            return -2;
+        }
+
+////////////////////////
+        int Recorder::write_h264(const CPacket &pkt){
             //reader failed, break stream
             if(pkt.id == -1 && !pkt.data){
                 return -1;
@@ -127,15 +164,146 @@
             
             // logIt("WRITE FRAME ID: %d, RECORD ID: %d", pkt.id, id_frame_);
             return 0;
+            
         }
 
-        void Recorder::end_writer(){
+        int Recorder::write_hevc(const CPacket &pkt){
+            if (!fp_){
+                logIt("write hevc packet error, file not open");
+                return -1;
+            }
+            if (cur_frame == end_frame){
+                return 1;
+            }
+            
+            AVPacket &op = pkt.data->getAVPacket();
+            int64_t cur = cur_frame;
+            if (in_->isVideoPkt(&op)){
 
+                if(pkt.id == id_frame_){
+                    id_frame_in_file_ = cur_frame;
+                }
+                cur_frame++;
+            }
+
+            fwrite(op.data, op.size, 1, fp_); 
+            return 0;
+        }
+
+        int Recorder::write_correctly(const CPacket &pkt){
+            if (in_->IsHEVC()){
+                return write_hevc(pkt);
+            }
+            return write_h264(pkt);
+        }
+
+        int Recorder::end_write_h264(){
+            if (!out_) return -1;
             out_->endWriter();
             if (out_){
                 delete out_;
                 out_ = NULL;
             }
+            return 0;
+        }
+
+        int Recorder::end_write_hevc(){
+            if (fp_){
+                fclose(fp_);
+                fp_ = NULL;
+            }
+
+            std::string hevc_file(file_path_);
+            auto pos = file_path_.rfind(".hevc");
+            if (pos != std::string::npos){
+                file_path_ = file_path_.substr(0, pos) + ".mp4";
+                logIt("mux hevc real file : %s", file_path_.c_str());
+            }
+
+            FILE *fp = fopen(hevc_file.c_str(), "rb");
+            if (!fp) return 0;
+
+            int ret = mux_hevc(fp, file_path_.c_str());
+            fclose(fp);
+            if (remove(hevc_file.c_str()) != 0){
+                logIt("mux hevc remove file %s failed", hevc_file.c_str());
+            }
+
+            return ret;
+        }
+
+        static int read_buffer(void *opaque, uint8_t *buf, int buf_size){
+            FILE *fp_open = (FILE*)opaque;
+        	if(!feof(fp_open)){
+        		int true_size=fread(buf,1,buf_size,fp_open);
+        		return true_size;
+        	}else{
+        		return -1;
+        	}
+        }
+
+        int Recorder::mux_hevc(FILE *fp, const char *outfile){
+            std::unique_ptr<FormatIn> in(new FormatIn(false));
+
+            if (!fp) {
+                logIt("mux hevc file handle is null");
+                return -1;
+            }
+
+            if (in->openWithCustomIO(fp, read_buffer) < 0) {
+                logIt("mux hevc open custom io error");
+                return -2;
+            }
+            if (in->open(NULL, NULL) < 0){
+                logIt("mux hevc open stream error");
+                return -3;
+            }
+            if (!in->findStreamInfo(NULL)) {
+                logIt("mux hevc can't find streams");
+                return -4;
+            }
+            
+            std::unique_ptr<FormatOut> out(new FormatOut(in_->getFPS(), "mp4"));
+            auto v = in->getStream(AVMEDIA_TYPE_VIDEO);
+            if (!v){
+                logIt("mux hevc file can't find video stream");
+                return -5;
+            }
+            if (out->JustWriter(v, NULL, outfile)){
+                logIt("mux hevc  start record file: %s", outfile);
+            }
+
+            int64_t id = 0;
+            while(true){
+                AVPacket pkt;
+                if (in->readPacket(&pkt) != 0){
+                    logIt("mux hevc read packet error, id: %lld", id);
+                    break;
+                }
+                out->writeFrame(&pkt, id);
+                logIt("read frame: %d", id);
+                
+                av_packet_unref(&pkt);
+                id++;
+            }
+            out->endWriter();
+
+            return 0;
+        }
+
+        void Recorder::end_writer(){
+
+            int ret = -1;
+            if (in_->IsHEVC()){
+                ret = end_write_hevc();
+            }else{
+                ret = end_write_h264();
+            }
+            if (ret < 0){
+                logIt("end write file : %s, h265: %d, failed", file_path_.c_str(), in_->IsHEVC());
+            }
+
+            logIt("finished record : %s frames: %d", file_path_.c_str(), cur_frame);
             {
                 std::lock_guard<std::mutex> l(mutex_pkt_);
                 list_pkt_.clear();
@@ -143,11 +311,9 @@
             // logIt("INDEX %d, REAL-FRAME-ID %d, FILE %s, CURFrame %d, ENDFrame %d\n",
             //      id_frame_in_file_, id_frame_, file_path_.c_str(), cur_frame, end_frame);
 
-            //callback to frame index and path
             if(func_rec_info_){
                 func_rec_info_(id_,id_frame_in_file_, file_path_);
             }
-
         }
 
         void Recorder::run_thread(){
@@ -187,23 +353,26 @@
 
         int Recorder::Run(const char* output, const int mind, const int maxd, const bool audio){
 
+            bool a = audio;
+            if (in_->IsHEVC()) a = false;
+
             dir_ = output;
-            int ret = init_writer(audio);
+            int ret = init_writer(a);
             if(ret != 0){
                 logIt("recorder init writer error");
                 return -1;
             }
 
-            double fps = out_->getFPS();    
+            double fps = in_->getFPS();    
             if(fps > 1.0){
                 maxduration = fps * maxd;
                 minduration = fps * mind;
                 end_frame = minduration;
             }
 
-            audio_ = audio;
+            audio_ = a;
 
-            // logIt("minduration %d maxduration %d curduration %d", minduration, maxduration, end_frame);    
+            logIt("minduration %d maxduration %d curduration %d", minduration, maxduration, end_frame);    
 
             thrd_.reset(new std::thread([&]{
                 run_thread();
diff --git a/csrc/buz/recorder.hpp b/csrc/buz/recorder.hpp
index d05ebb8..9c88bbb 100644
--- a/csrc/buz/recorder.hpp
+++ b/csrc/buz/recorder.hpp
@@ -50,6 +50,15 @@
                 void end_writer();
 
                 void maybe_dump_gop();
+
+                int init_write_h264(const bool audio);
+                int write_h264(const CPacket &pkt);
+                int end_write_h264();
+
+                int init_write_hevc(const bool audio);
+                int write_hevc(const CPacket &pkt);
+                int end_write_hevc();
+                int mux_hevc(FILE *fp, const char *outfile);
             private: 
                 ffwrapper::FormatIn     *in_;
                 ffwrapper::FormatOut    *out_;
@@ -59,7 +68,7 @@
                 int     end_frame;
                 int     cur_frame;
                 int     cur_frame_a;
-                
+
                 std::list<CPacket>     list_pkt_;
 
                 std::atomic_bool        stop_recorder_;
@@ -79,6 +88,8 @@
                 bool                    error_occured_;
 
                 bool                    audio_;
+
+                FILE                    *fp_;
         };
     }
 }
diff --git a/csrc/ffmpeg/format/FormatIn.cpp b/csrc/ffmpeg/format/FormatIn.cpp
index 4399822..25d9e3a 100644
--- a/csrc/ffmpeg/format/FormatIn.cpp
+++ b/csrc/ffmpeg/format/FormatIn.cpp
@@ -155,11 +155,11 @@
 				vs_idx_ = i;
 
 				auto in = ctx_->streams[i];
-				if(in->avg_frame_rate.num >=1 && in->avg_frame_rate.den >= 1){
-            	    fps_ = av_q2d(in->avg_frame_rate);
-            	}else if(in->r_frame_rate.num >=1 && in->r_frame_rate.den >= 1){
+				if(in->r_frame_rate.num >=1 && in->r_frame_rate.den >= 1){
             	    fps_ = av_q2d(in->r_frame_rate);
-            	}
+            	}else if(in->avg_frame_rate.num >=1 && in->avg_frame_rate.den >= 1){
+            	    fps_ = av_q2d(in->avg_frame_rate);
+            	} 
 				logIt("in stream video fps %f, time_base: %d : %d", fps_, in->time_base.num, in->time_base.den);
 			}
 			if (type == AVMEDIA_TYPE_AUDIO){
diff --git a/csrc/ffmpeg/format/FormatOut.cpp b/csrc/ffmpeg/format/FormatOut.cpp
index 2994153..6bc43df 100644
--- a/csrc/ffmpeg/format/FormatOut.cpp
+++ b/csrc/ffmpeg/format/FormatOut.cpp
@@ -434,6 +434,12 @@
             pkt->pts = pkt->dts = pkt->duration * time_stamp; 
 
         }
+        // logIt("BEFORE in stream timebase %d:%d, out timebase %d:%d, 
+        //         pts: %lld, dts: %lld, duration: %lld", 
+        //     in_stream->time_base.num, in_stream->time_base.den,
+        //     out_stream->time_base.num, out_stream->time_base.den,
+        //     pkt->pts, pkt->dts, pkt->duration);
+
     }
 
     bool FormatOut::writeFrame(AVPacket *pkt, const int64_t &frame_cnt,
diff --git a/csrc/worker/rec.cpp b/csrc/worker/rec.cpp
index d7ce012..01896b0 100644
--- a/csrc/worker/rec.cpp
+++ b/csrc/worker/rec.cpp
@@ -141,8 +141,8 @@
         std::string rid(id);
         std::string dir(output);
         
-        minduration_ = mindur * 25;
-        maxduration_ = maxdur * 25;
+        minduration_ = mindur * recRef_->getFPS();
+        maxduration_ = maxdur * recRef_->getFPS();
 
         {
             std::lock_guard<std::mutex> l(mtx_rec_);
diff --git a/csrc/wrapper.cpp b/csrc/wrapper.cpp
index 26aee19..c03b54f 100644
--- a/csrc/wrapper.cpp
+++ b/csrc/wrapper.cpp
@@ -151,7 +151,7 @@
     void Wrapper::init_worker(ffwrapper::FormatIn *in){
         if (rec_->Loaded() && stream_ && decoder_) return;
 
-        stream_ = new stream(in, 3 * 25);
+        stream_ = new stream(in, 3 * in->getFPS());
         // stream_->AudioSwitch(audio_);
 
         decoder_ = new decoder(in, scale_w_, scale_h_, scale_f_);
@@ -192,7 +192,7 @@
             
             int wTime = 1000000.0 / in->getFPS() ;
             wTime >>= 1;
-            logIt("INPUT FPS: %d", wTime);
+            logIt("WAIT TIME PER FRAME: %d", wTime);
 
             init_worker(in.get());
 

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