From 684b55231257011c11caacc5ae72b0f0977c6114 Mon Sep 17 00:00:00 2001
From: chenshijun <chenshijun@aiotlink.com>
Date: 星期五, 15 三月 2019 15:14:22 +0800
Subject: [PATCH] 整合代码

---
 QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp |  300 ++++++++++++++++++++++++++++++++++++-----------------------
 1 files changed, 184 insertions(+), 116 deletions(-)

diff --git a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
index c353675..e17ee5b 100644
--- a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
+++ b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
@@ -143,135 +143,198 @@
  */
 void BASICGB28181::FFmpegDecoderJPG::BareFlowDecoderThd(FFmpegDecoderJPG *p_this) {
     DBG(p_this->m_camIdx << "  BareFlowDecoderThd ok ... gpuIdx is " << p_this->m_gpuIdx);
-    p_this->m_running = true;
-    av_register_all();
-    avformat_network_init();
-    AVFormatContext *ic = avformat_alloc_context();
+    while (!p_this->m_running) {
 
-    unsigned char *iobuffer = (unsigned char *) av_malloc(p_this->m_buf_size);
-    AVIOContext *avio = avio_alloc_context(iobuffer, p_this->m_buf_size, 0, p_this, p_this->read_data, NULL, NULL);
-    ic->pb = avio;
+        p_this->m_running = true;
+//    av_register_all();
+//    avformat_network_init();
+        p_this->ic = avformat_alloc_context();
 
-    int err = av_probe_input_buffer(ic->pb, &ic->iformat, nullptr, nullptr, 0, p_this->m_buf_size);
-    int err1 = avformat_open_input(&ic, "", NULL, NULL);
-    int err2 = avformat_find_stream_info(ic, nullptr);
-    int vi = -1;
-    for (int i = 0; i < ic->nb_streams; ++i) {
-        if (ic->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
-            vi = i;
-            break;
+        p_this->iobuffer = (unsigned char *) av_malloc(p_this->m_buf_size);
+        if (!p_this->iobuffer) {
+            ERR("av_malloc: err======" << p_this->m_camIdx);
+            p_this->m_running = false;
+            continue;
         }
-    }
-    AVStream *stream = ic->streams[vi];
-    p_this->video_st = stream;
-    AVCodecContext *ctx = avcodec_alloc_context3(nullptr);
-    int err3 = avcodec_parameters_to_context(ctx, stream->codecpar);
+        p_this->avio = avio_alloc_context(p_this->iobuffer, p_this->m_buf_size, 0, p_this, p_this->read_data, NULL,
+                                          NULL);
+        if (!p_this->avio) {
+            ERR("avio_alloc_context: err======" << p_this->m_camIdx);
+            p_this->m_running = false;
+            continue;
+        }
+        p_this->ic->pb = p_this->avio;
 
-    AVCodec *codec = avcodec_find_decoder(ctx->codec_id);
-    //鏄惁鍚敤GPU
-    if (p_this->m_gpuIdx >= 0) {
-        if (codec != NULL) {
-            char cuvidName[40] = {0};
-            sprintf(cuvidName, "%s_cuvid", codec->name);
-            if (!strcmp(codec->name, "h264") || !strcmp(codec->name, "h265") || !strcmp(codec->name, "hevc")) {
-                AVCodec *codec_cuvid = avcodec_find_decoder_by_name(cuvidName);
-                if (codec_cuvid != NULL) {
-                    codec = codec_cuvid;
-                } else {
+        int err = av_probe_input_buffer(p_this->ic->pb, &p_this->ic->iformat, nullptr, nullptr, 0, p_this->m_buf_size);
+        if (err) {
+            ERR("av_probe_input_buffer: err======" << err << p_this->m_camIdx);
+            p_this->m_running = false;
+            continue;
+        }
+        err = avformat_open_input(&p_this->ic, "", NULL, NULL);
+        if (err) {
+            ERR("avformat_open_input: err======" << err << p_this->m_camIdx);
+            p_this->m_running = false;
+            continue;
+        }
+//    int err2 = avformat_find_stream_info(ic, nullptr);
+        err = avformat_find_stream_info(p_this->ic, NULL);
+        if (err) {
+            ERR("avformat_find_stream_info: err======" << err << p_this->m_camIdx);
+//        avformat_close_input(&p_this->ic);
+//        DBG("avformat_close_input(&p_this->ic);");
+            p_this->m_running = false;
+            continue;
+        }
+        int vi = -1;
+        for (int i = 0; i < p_this->ic->nb_streams; ++i) {
+            if (p_this->ic->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+                vi = i;
+                break;
+            }
+        }
+        p_this->stream = p_this->ic->streams[vi];
+        p_this->video_st = p_this->stream;
+        p_this->ctx = avcodec_alloc_context3(nullptr);
+        err = avcodec_parameters_to_context(p_this->ctx, p_this->stream->codecpar);
+        if (err) {
+            ERR("avcodec_parameters_to_context: err======" << err << p_this->m_camIdx);
+//        avformat_close_input(&p_this->ic);
+//        DBG("avformat_close_input(&p_this->ic);");
+            p_this->m_running = false;
+            continue;
+        }
+
+        p_this->codec = avcodec_find_decoder(p_this->ctx->codec_id);
+        //鏄惁鍚敤GPU
+        if (p_this->m_gpuIdx >= 0) {
+            if (p_this->codec != NULL) {
+                char cuvidName[40] = {0};
+                sprintf(cuvidName, "%s_cuvid", p_this->codec->name);
+                if (!strcmp(p_this->codec->name, "h264") || !strcmp(p_this->codec->name, "h265") ||
+                    !strcmp(p_this->codec->name, "hevc")) {
+                    p_this->codec_cuvid = avcodec_find_decoder_by_name(cuvidName);
+                    if (p_this->codec_cuvid != NULL) {
+                        p_this->codec = p_this->codec_cuvid;
+                    } else {
 //                    return false;
-                    ERR("codec_cuvid is NULL");
+                        ERR("codec_cuvid is NULL" << p_this->m_camIdx);
+                    }
                 }
             }
         }
-    }
-    int err4 = avcodec_open2(ctx, codec, nullptr);
-
-    AVPacket pkt;
-    av_init_packet(&pkt);
-
-    AVFrame *frame = av_frame_alloc();
-    unsigned int usleepTime = (1000 / p_this->m_fps) - 12;
-    usleepTime *= 1000;
-    DBG(" before while <<usleepTime is " << usleepTime);
-    while (p_this->m_running) {
-#ifdef TestCode
-        ClockTimer Test("while time");
-#endif
-        int err5 = av_read_frame(ic, &pkt);
-        //# todo save package
-        p_this->frame_number++;
-
-        int err6 = avcodec_send_packet(ctx, &pkt);
-//        av_packet_unref(&pkt);
-        int err7 = avcodec_receive_frame(ctx, frame);
-        if ((err7 == AVERROR(EAGAIN)) || (err5 < 0) || (err6 < 0)) {
-            ERR(" error << err7:" << err7 << "  err5: " << err5 << " err6: " << err6);
-            usleep(40000);
+        err = avcodec_open2(p_this->ctx, p_this->codec, nullptr);
+        if (err) {
+            ERR("avcodec_open2: err======" << err << p_this->m_camIdx);
+//        avformat_close_input(&p_this->ic);
+//        DBG("avformat_close_input(&p_this->ic);");
+//        avcodec_free_context(&p_this->ctx);
+//        DBG("avcodec_free_context(&p_this->ctx);");
+            p_this->m_running = false;
             continue;
         }
-        //DBG("GotPicture "<<m_camId<<":"<<frame_number);
-        //鏀惧湪姝ゅ鏄洜涓轰箣鍓嶆斁鍦ㄥ墠闈�,鏀跺埌鐨勫抚涓嶅畬鎴�
-        p_this->SaveToPacketVector(pkt);
-        p_this->CheckSave();
+
+        av_init_packet(&p_this->pkt);
+
+        p_this->frame = av_frame_alloc();
+        unsigned int usleepTime = (1000 / p_this->m_fps) - 12;
+        usleepTime *= 1000;
+        DBG("===open ok, camid: " << p_this->m_camIdx);
+        while (p_this->m_running) {
+#ifdef TestCode
+            ClockTimer Test("while time");
+#endif
+            av_packet_unref(&p_this->pkt);
+            p_this->pkt.data = NULL;
+            p_this->pkt.size = 0;
+
+            int err5 = av_read_frame(p_this->ic, &p_this->pkt);
+            //# todo save package
+            p_this->frame_number++;
+
+            int err6 = avcodec_send_packet(p_this->ctx, &p_this->pkt);
+            int err7 = avcodec_receive_frame(p_this->ctx, p_this->frame);
+            if ((err7 == AVERROR(EAGAIN)) || (err5 < 0) || (err6 < 0)) {
+                ERR("  err======: err7" << err7 << "  err5: " << err5 << " err6: " << err6 << p_this->m_camIdx);
+                usleep(40000);
+                continue;
+            }
+            //DBG("GotPicture "<<m_camId<<":"<<frame_number);
+            //鏀惧湪姝ゅ鏄洜涓轰箣鍓嶆斁鍦ㄥ墠闈�,鏀跺埌鐨勫抚涓嶅畬鎴�
+            p_this->SaveToPacketVector(p_this->pkt);
+            p_this->CheckSave();
 
 //        BASICGB28181::avframe_to_cvmat(frame).copyTo(p_this->m_image);
-        p_this->m_image = std::move(BASICGB28181::avframe_to_cvmat(frame));
+            p_this->m_image = std::move(BASICGB28181::avframe_to_cvmat(p_this->frame));
 
-#ifdef TestCode
-        {
-//            TestCode 娴嬭瘯浠g爜淇濆瓨鍥剧墖鍒版湰鍦�
-            ClockTimer cl("TestCode");
-            std::string strNewTime2 = AppUtil::getTimeUSecString();
-            cv::putText(p_this->m_image, strNewTime2, cv::Point(408, 540), cv::HersheyFonts::FONT_HERSHEY_PLAIN,
-                        5, cv::Scalar(255, 255, 0), 2);
-            std::thread test([&](cv::Mat img, std::string strThing) {
+            if (p_this->m_SnapshotNotSaveRet && (p_this->pkt.flags & AV_PKT_FLAG_KEY)) {
                 try {
-                    std::string strNewTime = "tmpDec/";
-                    strNewTime.append(p_this->m_camIdx + "_").append(strThing).append(".jpg");
-//                    cv::imwrite(strNewTime, p_this->m_image);
+                    std::string strNewName = "./";
+                    strNewName.append(p_this->m_camIdx).append(".jpg");
+                    cv::imwrite(strNewName, p_this->m_image);
+                    p_this->m_SnapshotNotSaveRet = false;
                 } catch (std::exception ex) {
                     ERR(ex.what());
                 }
-            }, p_this->m_image, strNewTime2);
-            test.detach();
-        }
+            }
+
+
+#ifdef TestCode
+                {
+        //            TestCode 娴嬭瘯浠g爜淇濆瓨鍥剧墖鍒版湰鍦�
+                    ClockTimer cl("TestCode");
+                    std::string strNewTime2 = AppUtil::getTimeUSecString();
+                    cv::putText(p_this->m_image, strNewTime2, cv::Point(408, 540), cv::HersheyFonts::FONT_HERSHEY_PLAIN,
+                                5, cv::Scalar(255, 255, 0), 2);
+                    std::thread test([&](cv::Mat img, std::string strThing) {
+                        try {
+                            std::string strNewTime = "tmpDec/";
+                            strNewTime.append(p_this->m_camIdx + "_").append(strThing).append(".jpg");
+        //                    cv::imwrite(strNewTime, p_this->m_image);
+                        } catch (std::exception ex) {
+                            ERR(ex.what());
+                        }
+                    }, p_this->m_image, strNewTime2);
+                    test.detach();
+                }
 #endif
 
-        //#todo send to other thd
+                //#todo send to other thd
 #ifdef TestCode
-        DBG("emitSigal(\"DecoderImageOK\") begin");
+                DBG("emitSigal(\"DecoderImageOK\") begin");
 #endif
-        //瑙﹀彂淇″彿
-        gSignalLock.emitSigal(p_this->m_camIdx + "DecoderImageOK");
+            //瑙﹀彂淇″彿
+            gSignalLock.emitSigal(p_this->m_camIdx + "DecoderImageOK");
 //#ifdef TestCode
 //        DBG("emitSigal(\"DecoderImageOK\") after");
 //#endif
 
-        DBG("emitSigal(\"DecoderImageOK\") after");
-        DBG("p_this->m_camIdx is " << p_this->m_camIdx << " queue size is " << p_this->m_rtpQueue.count_queue());
+            DBG("emitSigal(\"DecoderImageOK\") after");
+            DBG("p_this->m_camIdx is " << p_this->m_camIdx << " queue size is " << p_this->m_rtpQueue.count_queue());
 
 #ifdef TestCode
-        {
-            ClockTimer cl("waitTime");
-            int loop = 0;
-            //#TODO
-//            while ((loop++ < 3000) && !(p_this->m_readData)) {
-//                usleep(10);
-//            }
+            {
+                ClockTimer cl("waitTime");
+                int loop = 0;
+                //#TODO
+    //            while ((loop++ < 3000) && !(p_this->m_readData)) {
+    //                usleep(10);
+    //            }
 
-            usleep(30000);
-            DBG("p_this->m_readData is " << p_this->m_readData << "  loop is " << loop << " queue size is "
-                                         << p_this->m_rtpQueue.count_queue());
-            p_this->m_readData = false;
-//        usleep(12000);
-        }
+                usleep(30000);
+                DBG("p_this->m_readData is " << p_this->m_readData << "  loop is " << loop << " queue size is "
+                                             << p_this->m_rtpQueue.count_queue());
+                p_this->m_readData = false;
+    //        usleep(12000);
+            }
 #else
-        usleep(usleepTime);
+//            usleep(usleepTime);
 #endif
 
+        }
+        DBG(" after while ");
+        av_frame_free(&p_this->frame);
     }
-    DBG(" after while ");
-    av_frame_free(&frame);
 }
 
 bool BASICGB28181::FFmpegDecoderJPG::startThd(const std::string &camIdx, const int &fps, const int &gpuIdx) {
@@ -283,6 +346,7 @@
             setenv("CUDA_VISIBLE_DEVICES", std::to_string(gpuIdx).c_str(), 0);
         }
         m_camIdx = camIdx;
+        DBG("BareFlowDecoderThd camIdx : " << camIdx);
         std::thread t_BareFlowDecoder(BareFlowDecoderThd, this);
         t_BareFlowDecoder.detach();
     );
@@ -375,7 +439,7 @@
             delete iter->m_packet.data;
             iter = m_packetsVec.erase(iter);
             while (!(iter->m_packet.flags & AV_PKT_FLAG_KEY)) {
-//                INFO("DropFrame: " << iter->m_frameId);
+                INFO("DropFrame: " << iter->m_frameId);
                 delete iter->m_packet.data;
                 iter = m_packetsVec.erase(iter);
             }
@@ -386,15 +450,18 @@
 
 bool BASICGB28181::FFmpegDecoderJPG::SaveVideo(std::string path, int64_t lastFrameId) {
     std::lock_guard<std::mutex> lock(g_mutex);
-    INFO("SaveVideo: " << path);
+    INFO("SaveVideo: " << path << "m_packetsVec.size : " << m_packetsVec.size());
     if (!m_packetsVec.empty()) {
         startWrite(path.c_str());
         int64_t firstKeyFramePts = m_packetsVec[0].m_packet.pts;
         int64_t firstKeyFrameDts = m_packetsVec[0].m_packet.dts;
+        unsigned long int frame_index = 0;
         for (const auto &item:m_packetsVec) {
             if (item.m_frameId < lastFrameId) {
                 DBG("item.m_frameId < lastFrameId   " << item.m_frameId << "  " << lastFrameId);
-                conversion(const_cast<AVPacket *> (&item.m_packet), firstKeyFramePts, firstKeyFrameDts, video_st);
+                conversion(const_cast<AVPacket *> (&item.m_packet), firstKeyFramePts, firstKeyFrameDts, video_st,
+                           frame_index);
+                frame_index++;
                 av_write_frame(m_pOutFmtCtx, &item.m_packet);
             } else {
                 DBG("item.m_frameId > lastFrameId   " << item.m_frameId << "  " << lastFrameId);
@@ -517,11 +584,12 @@
 int BASICGB28181::FFmpegDecoderJPG::stopWrite() {
     if (m_pOutFmtCtx == nullptr) return -1;
     av_write_trailer(m_pOutFmtCtx);
-    avio_close(m_pOutFmtCtx->pb);
+
     avcodec_close(m_pOutFmtCtx->streams[0]->codec);
     av_freep(&m_pOutFmtCtx->streams[0]->codec);
     av_freep(&m_pOutFmtCtx->streams[0]);
 
+    avio_close(m_pOutFmtCtx->pb);
     av_free(m_pOutFmtCtx);
     m_pOutFmtCtx = nullptr;
     m_bstartWrite = false;
@@ -530,23 +598,23 @@
 
 
 void BASICGB28181::FFmpegDecoderJPG::conversion(void *packet, const long int &firstKeyPts, const long int &firstKeyDts,
-                                                void *inVideoStream) {
+                                                void *inVideoStream, unsigned long int frame_index) {
     if ((packet != nullptr) && (inVideoStream != nullptr)) {
         AVStream *inStream = (AVStream *) inVideoStream;
         AVPacket *pkg = static_cast<AVPacket *>(packet);
-//            static int a = 0;
-//            pkg->dts = a++;
-//            pkg->pts = a;
-        pkg->pts -= firstKeyPts;
-        pkg->dts -= firstKeyDts;
-        pkg->pts = av_rescale_q_rnd(pkg->pts, inStream->time_base,
-                                    m_pOutVideo_stream->time_base,
-                                    (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
-        pkg->dts = av_rescale_q_rnd(pkg->dts, inStream->time_base,
-                                    m_pOutVideo_stream->time_base,
-                                    (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
-        pkg->duration = av_rescale_q(pkg->duration, inStream->time_base,
-                                     m_pOutVideo_stream->time_base);
-        pkg->pos = -1;
+
+
+        DBG("frame_index==%d\n" << frame_index);
+        //Write PTS
+        AVRational time_base1 = inStream->time_base;
+        //Duration between 2 frames (us)
+        int64_t calc_duration = (double) AV_TIME_BASE / av_q2d(inStream->r_frame_rate);
+        //Parameters
+        pkg->pts = (double) (frame_index * calc_duration) / (double) (av_q2d(time_base1) * AV_TIME_BASE);
+        pkg->dts = pkg->pts;
+        pkg->duration = (double) calc_duration / (double) (av_q2d(time_base1) * AV_TIME_BASE);
+
+//        DBG("pts:" << pkg->pts);
+//        DBG("dts:" << pkg->dts);
     }
 }
\ No newline at end of file

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