From f946a62d3921e86b44ff8e2973138304b9cd53cd Mon Sep 17 00:00:00 2001
From: chenshijun <csj_sky@126.com>
Date: 星期二, 16 四月 2019 16:36:32 +0800
Subject: [PATCH] 解决修改参数和推流画面跳跃问题

---
 QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp |   58 ++++++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 38 insertions(+), 20 deletions(-)

diff --git a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
index e17ee5b..7787821 100644
--- a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
+++ b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
@@ -32,7 +32,8 @@
               dst.data, dst.linesize);
     sws_freeContext(convert_ctx);
 
-    DBG("m.size is " << m.size());
+//    DBG("m.size is " << m.size());
+//    LOG_IF();
 
     return m;
 }
@@ -44,7 +45,9 @@
 }
 
 BASICGB28181::FFmpegDecoderJPG::~FFmpegDecoderJPG() {
+    //娓呯┖闃熷垪
     while (m_rtpQueue.count_queue()) {
+        //#todo delete frameBuffInfo*
         m_rtpQueue.popNotWait();
     }
 
@@ -74,10 +77,9 @@
     }
 
 #ifdef TestCode
-        DBG(" m_rtpQueue.push before ");
+        DBG(" m_rtpQueue.push befores ");
 #endif
-        m_rtpQueue.
-        push(info);
+        m_rtpQueue.push(info);
 #ifdef TestCode
         DBG(" m_rtpQueue.push after ");
 #endif
@@ -95,10 +97,11 @@
     do {
 
 //        DBG(" m_rtpQueue.pop before ");
+        //浠庣紦瀛樹腑鑾峰彇buffinfo
         frameBuffInfo *buffinfo = fFmpegDecoderJPG->m_rtpQueue.pop();
 //        DBG(" m_rtpQueue.pop after ");
         diff = len - buffinfo->buffLen;
-//        printf("bufsize is :%ld,len is :%ld, datalen:%d \n", bufsize, len, buffinfo->buffLen);
+
         //甯ч暱澶т簬bufsize
         if (diff < 0) {
 //            DBG("/甯ч暱澶т簬bufsize" << diff);
@@ -129,7 +132,7 @@
         delete[] buffinfo->buff;
         delete buffinfo;
     } while (diff > 0);
-    //#todo 瑙﹀彂淇″彿
+
 //    DBG("emitSigal(\"read_dataOk\") begin");
 //    gSignalLock.emitSigal("read_dataOk");
     fFmpegDecoderJPG->m_readData = true;
@@ -142,7 +145,8 @@
  * @param p_this
  */
 void BASICGB28181::FFmpegDecoderJPG::BareFlowDecoderThd(FFmpegDecoderJPG *p_this) {
-    DBG(p_this->m_camIdx << "  BareFlowDecoderThd ok ... gpuIdx is " << p_this->m_gpuIdx);
+    DBG(p_this->m_camIdx <<  "  BareFlowDecoderThd ok ... gpuIdx is " << p_this->m_gpuIdx);
+    DBG("p_thisADDR:" << p_this << "p_this->m_running" << p_this->m_running);
     while (!p_this->m_running) {
 
         p_this->m_running = true;
@@ -150,12 +154,14 @@
 //    avformat_network_init();
         p_this->ic = avformat_alloc_context();
 
+        //鍒涘缓ffmpeg浣跨敤鐨勫唴瀛樼┖闂�
         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;
         }
+//     浣跨敤鍥炶皟鍑芥暟鍜屽唴瀛樺潡鍒涘缓 AVIOContext
         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) {
@@ -192,6 +198,12 @@
                 vi = i;
                 break;
             }
+        }
+        if(vi == -1)//鏃犺棰戝寘
+        {
+            ERR("no video packet!!");
+            p_this->m_running = false;
+            continue;
         }
         p_this->stream = p_this->ic->streams[vi];
         p_this->video_st = p_this->stream;
@@ -237,8 +249,8 @@
         av_init_packet(&p_this->pkt);
 
         p_this->frame = av_frame_alloc();
-        unsigned int usleepTime = (1000 / p_this->m_fps) - 12;
-        usleepTime *= 1000;
+//        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
@@ -266,7 +278,11 @@
 
 //        BASICGB28181::avframe_to_cvmat(frame).copyTo(p_this->m_image);
             p_this->m_image = std::move(BASICGB28181::avframe_to_cvmat(p_this->frame));
-
+            if(p_this->m_image.empty()) {
+                ERR("camID:" << p_this->m_camIdx << " frameW:" << p_this->frame->width);
+                continue;
+            }
+//            灏唅甯т繚瀛樹负蹇収
             if (p_this->m_SnapshotNotSaveRet && (p_this->pkt.flags & AV_PKT_FLAG_KEY)) {
                 try {
                     std::string strNewName = "./";
@@ -303,14 +319,15 @@
 #ifdef TestCode
                 DBG("emitSigal(\"DecoderImageOK\") begin");
 #endif
-            //瑙﹀彂淇″彿
+            //瑙﹀彂涓婂眰淇″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
             {
@@ -347,6 +364,7 @@
         }
         m_camIdx = camIdx;
         DBG("BareFlowDecoderThd camIdx : " << camIdx);
+//        鍚姩瑙g爜绾跨▼
         std::thread t_BareFlowDecoder(BareFlowDecoderThd, this);
         t_BareFlowDecoder.detach();
     );
@@ -355,7 +373,7 @@
 
 bool BASICGB28181::FFmpegDecoderJPG::stopThd() {
     TryCath(
-        DBG(m_camIdx << "  FFmpegDecoderJPG stopThd ... " << m_camIdx);
+        DBG("FFmpegDecoderJPG stopThd ... " << m_camIdx);
         m_running = false;
     );
     return true;
@@ -420,7 +438,7 @@
         if (!m_packetsVec.empty()) {
             auto iter = m_packetsVec.begin();
             while (iter->m_frameId < lastFrameId) {
-                INFO("DropFrame: " << iter->m_frameId);
+//                INFO("DropFrame: " << iter->m_frameId);
                 delete iter->m_packet.data;
                 iter = m_packetsVec.erase(iter);
             }
@@ -439,7 +457,7 @@
             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);
             }
@@ -450,7 +468,7 @@
 
 bool BASICGB28181::FFmpegDecoderJPG::SaveVideo(std::string path, int64_t lastFrameId) {
     std::lock_guard<std::mutex> lock(g_mutex);
-    INFO("SaveVideo: " << path << "m_packetsVec.size : " << m_packetsVec.size());
+//    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;
@@ -458,7 +476,7 @@
         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);
+//                DBG("item.m_frameId < lastFrameId   " << item.m_frameId << "  " << lastFrameId);
                 conversion(const_cast<AVPacket *> (&item.m_packet), firstKeyFramePts, firstKeyFrameDts, video_st,
                            frame_index);
                 frame_index++;
@@ -522,7 +540,7 @@
     m_frameIndex++;
     m_packetsVec.push_back({m_frameIndex, newPacket});
     if (newPacket.flags & AV_PKT_FLAG_KEY) {
-        DBG("newPacket.flags & AV_PKT_FLAG_KEY   ");
+//        DBG("newPacket.flags & AV_PKT_FLAG_KEY   ");
         m_last_I_FrameId = m_frameIndex;
     }
 }
@@ -604,7 +622,7 @@
         AVPacket *pkg = static_cast<AVPacket *>(packet);
 
 
-        DBG("frame_index==%d\n" << frame_index);
+//        DBG("frame_index==\n" << frame_index);
         //Write PTS
         AVRational time_base1 = inStream->time_base;
         //Duration between 2 frames (us)

--
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