rm_vision/calibration/split_video.cpp
2025-12-15 02:33:20 +08:00

90 lines
2.6 KiB
C++

#include <fmt/format.h>
#include <chrono>
#include <fstream>
#include <iomanip>
#include <sstream>
#include <string>
#include "tools/exiter.hpp"
#include "tools/img_tools.hpp"
#include "tools/logger.hpp"
#include "tools/math_tools.hpp"
// 定义命令行参数
const std::string keys =
"{help h usage ? | | 输出命令行参数说明 }"
"{start-index s | | 视频起始帧下标 }"
"{end-index e | | 视频结束帧下标 }"
"{output-path p | records/Big/2024-05-14_11-6-26 | avi和txt文件的路径}"
"{@input-path | | avi和txt文件的路径}";
int main(int argc, char * argv[])
{
// 读取命令行参数
cv::CommandLineParser cli(argc, argv, keys);
if (cli.has("help")) {
cli.printMessage();
return 0;
}
auto input_path = cli.get<std::string>(0);
auto output_path = cli.get<std::string>("output-path");
auto start_index = cli.get<int>("start-index");
std::cout << start_index << std::endl;
auto end_index = cli.get<int>("end-index");
// 初始化绘图器和退出器
tools::Exiter exiter;
// 构造视频和文本文件路径
auto video_path = fmt::format("{}.avi", input_path);
auto text_path = fmt::format("{}.txt", input_path);
cv::VideoCapture video(video_path);
std::ifstream text(text_path);
// 设置视频起始帧
video.set(cv::CAP_PROP_POS_FRAMES, start_index);
for (int i = 0; i < start_index; i++) {
double t, w, x, y, z;
text >> t >> w >> x >> y >> z;
}
// 获取原始视频的参数
int frameWidth = video.get(cv::CAP_PROP_FRAME_WIDTH);
int frameHeight = video.get(cv::CAP_PROP_FRAME_HEIGHT);
double fps = video.get(cv::CAP_PROP_FPS);
int fourcc = static_cast<int>(video.get(cv::CAP_PROP_FOURCC));
// 创建输出文件
auto outvideo_path = fmt::format("{}.avi", output_path);
auto outtext_path = fmt::format("{}.txt", output_path);
cv::VideoWriter outvideo(outvideo_path, fourcc, fps, cv::Size(frameWidth, frameHeight));
std::ofstream outtext(outtext_path);
std::string line;
cv::Mat img;
// 循环处理视频帧
for (int frame_count = start_index; !exiter.exit(); frame_count++) {
if (end_index > 0 && frame_count > end_index) break;
video.read(img);
if (img.empty()) break;
outvideo.write(img);
getline(text, line);
outtext << line << std::endl;
cv::resize(img, img, cv::Size(img.size().width * 0.8, img.size().height * 0.8));
cv::imshow("result", img);
int key = cv::waitKey(1);
if (key == 'q') break;
}
cv::destroyAllWindows();
text.close(); // 关闭文件
outtext.close();
return 0;
}