根据以下c++程序进行
qt程序编写，实现opencv摄像头显示#include "QSCamera.h" // API鎻愪緵鐨剆aveData鍑芥暟宸插湪璇ュご鏂囦欢涓０鏄?
#include <opencv2/opencv.hpp>
#include <iostream>
#include <thread>
#include <chrono>
#include <atomic>
#include <fstream>
#include <c
string>
// 鍏ㄥ眬鍙橀噺瀹氫箟锛堜繚鎸佷笉鍙橈級
std::atomic<bool> exitFlag(false);
cv
::Mat currentImage;
cv
::Mat frame;
unsigned char* rawSpectralData = nullptr;
std::mutex mtx;
cv
::VideoCapture cap(0);
// 璇诲彇.qs鏍煎紡鍏夎氨鏁版嵁锛堜繚鎸佷笉鍙橈紝閫傞厤API淇濆瓨鐨?qs鏂囦欢鏍煎紡锛?
cv
::Mat readQSData(const
std::string& filename) {
std::ifstream qsFile(filename,
std::ios
::binary);
if (!qsFile.is_open()) {
std::cerr << "閿欒锛氭棤娉曟墦寮€.qs鏂囦欢 " << filename <<
std::endl;
return cv
::Mat();
}
// 鑾峰彇鏂囦欢澶у皬骞堕獙璇侊紙API淇濆瓨鐨?qs鏂囦欢浠嶄负1600*1200*2瀛楄妭锛?
qsFile.seekg(0,
std::ios
::end);
int fileSize = qsFile.tellg();
qsFile.seekg(0,
std::ios
::beg);
const int expectedSize = 1200 * 1600 * 2;
if (fileSize != expectedSize) {
std::cerr << "璀﹀憡锛?qs鏂囦欢澶у皬涓嶇锛堝疄闄咃細" << fileSize
<< "锛岄鏈燂細" << expectedSize << "锛? <<
std::endl;
}
// 璇诲彇API淇濆瓨鐨勪簩杩涘埗鏁版嵁
unsigned char* data = new unsigned char[expectedSize];
qsFile.read(reinterpret_cast<char*>(data), expectedSize);
qsFile.close();
// 杞崲涓篛penCV 16浣嶅崟閫氶亾鐭╅樀锛堟棤棰濆澶勭悊锛岄€傞厤API杈撳嚭鏍煎紡锛?
cv
::Mat spectralMat(1200, 1600, CV_16UC1, data);
cv
::Mat result;
spectralMat.copyTo(result);
delete[] data;
return result;
}
// 鍏夎氨鐩告満鍥炶皟鍑芥暟锛堜繚鎸佷笉鍙橈紝璐熻矗鎺ユ敹鍘熷鏁版嵁骞堕澶勭悊鏄剧ず锛?
void callBack(unsigned char* img)
{
std::lock_guard<
std::mutex> lock(mtx);
// 缂撳瓨鍘熷鏁版嵁锛屼緵API鐨剆aveData鍑芥暟浣跨敤
rawSpectralData = img;
// 澶勭悊16浣嶆暟鎹负8浣嶆樉绀哄浘
cv
::Mat image16UC1(1200, 1600, CV_16UC1, img);
cv
::Mat image8UC1;
image16UC1.convertTo(image8UC1, CV_8UC1, 1.0 / 64);
currentImage = image8UC1.clone();
}
// 鏄剧ず绾跨▼鍑芥暟锛堜繚鎸佷笉鍙橈紝璋冪敤API鐨剆aveData鍑芥暟锛?
void displayThreadFunc()
{
// 鍒涘缓骞惰皟鏁寸獥鍙?
cv
::namedWindow("Real-time Image", cv
::WINDOW_NORMAL);
cv
::namedWindow("camera", cv
::WINDOW_NORMAL);
cv
::namedWindow("QS Data Preview", cv
::WINDOW_NORMAL);
cv
::resizeWindow("Real-time Image", 320, 240);
cv
::resizeWindow("camera", 320, 240);
cv
::resizeWindow("QS Data Preview", 320, 240);
int key = 0;
static int frameCount = 0;
while (!exitFlag) {
cv
::Mat currentDisplay;
unsigned char* currentRawData = nullptr;
// 瀹夊叏璇诲彇鍏变韩璧勬簮
{
std::lock_guard<
std::mutex> lock(mtx);
if (!currentImage.empty()) {
currentDisplay = currentImage.clone();
}
currentRawData = rawSpectralData;
}
// 鏄剧ず鍥惧儚涓庢寜閿鐞?
if (!currentDisplay.empty()) {
cv
::imshow("Real-time Image", currentDisplay);
// 鏅€氱浉鏈哄浘鍍忓鐞?
cap >> frame;
if (!frame.empty()) {
cv
::flip(frame, frame, -1);
cv
::imshow("camera", frame);
}
key = cv
::waitKey(1);
if (key == 27) { // ESC閫€鍑?
exitFlag = true;
} else if (key == 32) { // 绌烘牸閿繚瀛橈紙璋冪敤API鐨剆aveData锛?
// 鏋勯€犲熀纭€璺緞锛堜笉鍚悗缂€锛孉PI浼氳嚜鍔ㄦ坊鍔?qs锛?
std::string basePath = "/home/lckfb/Desktop/data/QSFrame_" +
std::to_
string(frameCount);
// 1. 淇濆瓨鍏夎氨鏄剧ず鍥撅紙PNG锛?
std::string imgFilename = basePath + ".png";
cv
::imwrite(imgFilename, currentDisplay);
std::cout << "鍏夎氨鍥惧儚淇濆瓨涓?" << imgFilename <<
std::endl;
// 2. 淇濆瓨鏅€氱浉鏈哄浘鍍忥紙PNG锛?
std::string vFilename = "/home/lckfb/Desktop/data/VFrame_" +
std::to_
string(frameCount) + ".png";
cv
::imwrite(vFilename, frame);
std::cout << "鏅€氬浘鍍忎繚瀛樹负 " << vFilename <<
std::endl;
// 3. 璋冪敤API鎻愪緵鐨剆aveData鍑芥暟淇濆瓨.qs鏂囦欢
if (currentRawData) {
// 鐩存帴浼犲師濮嬫暟鎹拰鍩虹璺緞锛孉PI鍐呴儴澶勭悊锛?
// - 妫€鏌ユ暟鎹湁鏁堟€?
// - 娣诲姞.qs鍚庣紑
// - 浜岃繘鍒跺啓鍏ワ紙绗﹀悎1600*1200*2瀛楄妭鏍煎紡锛?
saveData(currentRawData, basePath);
}
// 4. 棰勮API淇濆瓨鐨?qs鏂囦欢锛堥獙璇佷繚瀛樼粨鏋滐級
std::string qsFilename = basePath + ".qs";
cv
::Mat qsData = readQSData(qsFilename);
if (!qsData.empty()) {
cv
::Mat qsPreview;
qsData.convertTo(qsPreview, CV_8UC1, 1.0 / 64);
cv
::imshow("QS Data Preview", qsPreview);
}
frameCount++;
}
} else {
std::this_thread
::sleep_for(
std::chrono
::milliseconds(10));
}
}
cv
::destroyAllWindows();
}
int main()
{
// 鍒濆鍖栧厜璋辩浉鏈猴紙渚濊禆QSCamera.h鐨凙PI鍑芥暟锛?
regeditCallBack(callBack);
openCamera("/dev/video9");
// 閰嶇疆鏅€氱浉鏈?
cap.set(cv
::CAP_PROP_FRAME_WIDTH, 320);
cap.set(cv
::CAP_PROP_FRAME_HEIGHT, 240);
cap.set(cv
::CAP_PROP_FPS, 30);
if (!cap.isOpened()) {
std::cerr << "鏃犳硶鎵撳紑鏅€氱浉鏈猴紒" <<
std::endl;
return -1;
}
// 鍚姩鏄剧ず绾跨▼
std::thread displayThread(displayThreadFunc);
// 鎿嶄綔鎻愮ず
std::cout << "鎸塃SC閿€€鍑虹▼搴?..\n";
std::cout << "鎸夌┖鏍奸敭淇濆瓨鍏夎氨鍥惧儚銆佹櫘閫氬浘鍍忓拰.qs鍏夎氨鏁版嵁锛堣皟鐢ˋPI锛?..\n";
// 绛夊緟绾跨▼缁撴潫
displayThread.join();
// 璧勬簮娓呯悊锛堜緷璧朡SCamera.h鐨凙PI鍑芥暟锛?
closeCamera();
cap.release();
return 0;
}
博客围绕Qt展开，虽未给出具体内容，但推测包含Qt相关知识记录。Qt是信息技术领域重要开发工具，常用于后端开发等场景。
扫一扫
3234
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
