From 25928e3093a7c0257128192d7785ec3f74e89e81 Mon Sep 17 00:00:00 2001
From: pans <pansen626@sina.com>
Date: 星期六, 30 三月 2019 12:46:20 +0800
Subject: [PATCH] 添加注释
---
QiaoJiaSystem/GB28181DecoderModel/VideoCaptureElementWithRtp.cpp | 32 +++++++++++++++++++++++++-------
1 files changed, 25 insertions(+), 7 deletions(-)
diff --git a/QiaoJiaSystem/GB28181DecoderModel/VideoCaptureElementWithRtp.cpp b/QiaoJiaSystem/GB28181DecoderModel/VideoCaptureElementWithRtp.cpp
index aedff6b..b2acfc4 100644
--- a/QiaoJiaSystem/GB28181DecoderModel/VideoCaptureElementWithRtp.cpp
+++ b/QiaoJiaSystem/GB28181DecoderModel/VideoCaptureElementWithRtp.cpp
@@ -35,17 +35,21 @@
bool BASICGB28181::VideoCaptureElementWithRtp::startRtpStream(int streamTransType) {
+ //绛夊緟涓嬪眰ffmpeg灏唕tp鍖呰В鐮佹垚涓哄浘鐗囧悗瑙﹀彂淇″彿,鐒跺悗瑙﹀彂褰撳墠绫荤殑submit
std::thread waitSignalAndEmit([&](BASICGB28181::VideoCaptureElementWithRtp *p_this) {
p_this->m_waitSignal = true;
+ //寰幆锛岀敱鎴愬憳鍙橀噺鏉ョ淮鎶よ繖涓嚎绋嬬殑杩愯鐘舵��
while (p_this->m_waitSignal) {
//#TODO wait test
#ifdef TestCode
DBG("waitSignal(\"DecoderImageOK\") begin");
#endif
+ //绛夊緟淇″彿瑙﹀彂
gSignalLock.waitSignal(p_this->m_chanPubID + "DecoderImageOK");
#ifdef TestCode
DBG("waitSignal(\"DecoderImageOK\") after");
#endif
+ /****褰曞儚妯″潡浠ｇ爜*****/
p_this->m_picCount++;
//鍑犲紶閫変竴寮犳斁鍏edis
if (p_this->m_picCount % m_nPicsPickOne != 0) {
@@ -54,6 +58,7 @@
p_this->m_picCount.store(0);
}
+// 浠巉fmpeg瑙ｇ爜绫讳腑鑾峰彇鍥剧墖
p_this->m_fFmpegDecoderJPG.getImage().copyTo(p_this->m_image);
{
cv::Mat copyMat;
@@ -61,6 +66,8 @@
p_this->m_image.copyTo(copyMat);
m_pManager->SaveImageToRedis(p_this->m_chanPubID, imageName, copyMat);
}
+ /*********/
+
p_this->submit();
}
INFO("waitSignalAndEmit is exit...");
@@ -69,6 +76,7 @@
TryCath(
//--------------鍥芥爣璁惧鎴栧垯鍥芥爣涓嬬骇骞冲彴蹇呴』鏀寔GB28181-2016----------------------------------------------
+ //瑙ｇ爜绾跨▼锛屽彂璧风偣鎾姹傦紝鍚姩ffmpeg瑙ｇ爜妯″潡
std::thread videoCaptureElementThd([&](VideoCaptureElementWithRtp *p_this, int streamType) {
DBG("videoCaptureElementThd start...");
StreamTransType_E etype;
@@ -93,28 +101,36 @@
}
DBG("C_RealVideoStart start... m_chanPubID is " << p_this->m_chanPubID << " etype is " << etype
<< " m_userdata is " << m_userdata);
+ //寮�濮嬬偣鎾棰�
long lrealhandle = C_RealVideoStart(const_cast<char *>(p_this->m_chanPubID.c_str()), etype,
p_this->streamcallback, m_userdata);
if (lrealhandle != -1) {
+ //鐐规挱鎴愬姛
DBG(p_this->m_chanPubID << " C_RealVideoStart ok ... type is " << etype);
p_this->m_running = true;
+ //鍚姩ffmpeg瑙ｇ爜妯″潡
p_this->m_fFmpegDecoderJPG.startThd(p_this->m_chanPubID, p_this->m_fps, p_this->m_gpuIdx);
+ //闃诲绾跨▼锛岀瓑寰呭閮ㄨЕ鍙戝叧闂偣鎾�
while (p_this->m_running) {
- if(p_this->m_fFmpegDecoderJPG.getRunning()) {
- usleep(300000);
- }else{
- p_this->m_running = false;
- break;
- }
+// if(p_this->m_fFmpegDecoderJPG.getRunning()) {
+ usleep(300000);
+// }else{
+// p_this->m_running = false;
+// break;
+// }
}
DBG("videoCaptureElementThd stop ...");
+ //鍋滄鐐规挱
C_RealVideoStop(lrealhandle);
+ //灏唚aitSignalAndEmit 绾跨▼閫�鍑�
p_this->m_waitSignal = false;
DBG("videoCaptureElementThd stop ok...");
} else {
+ //鐐规挱澶辫触
p_this->m_waitSignal = false;
p_this->m_running = false;
+ //鍏抽棴ffmpeg瑙ｇ爜妯″潡
p_this->m_fFmpegDecoderJPG.stopThd();
ERR(p_this->m_chanPubID << " C_RealVideoStart is error lrealhandle is " << lrealhandle);
}
@@ -157,13 +173,15 @@
// fwrite(data, sizeof(char), datalen, fp11);
}
#endif
-
+ //灏嗗簳灞傜粍濂界殑rtp鍖咃紝瀛樺叆ffmpeg涓殑缂撳瓨闃熷垪
CHKDBG(p_this->m_fFmpegDecoderJPG.pushInfo(data, datalen, p_this->m_chanPubID), true,
"pushInfo is error !! handle is " << handle << " datatype is " << datatype << " frametype is " << frametype);
}
void BASICGB28181::VideoCaptureElementWithRtp::threadFunc() {
+
if ((!m_running) || (!m_waitSignal)) {
+// 鏍规嵁reopenTime鍒ゆ柇鏄惁闇�瑕侀噸鍚�
if (reopenTime < 0) {
stop();
INFO("grabFrame faild, element stopping");
--
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