[Feature][添加测试程序]

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+project(universal_camera_sdk)
+
+# 设置 C++ 标准
+set(CMAKE_CXX_STANDARD 11)
+set(THIRDPARTY "${CMAKE_CURRENT_SOURCE_DIR}/thirdparty")
+
+# 查找 OpenCV 库
+set(OpenCV_DIR ${THIRDPARTY}/opencv_build/x86_64/install/lib/cmake/opencv4)  # 根据实际 OpenCV 安装路径修改
+find_package(OpenCV REQUIRED)
+
+# 包含 OpenCV 头文件
+include_directories(${OpenCV_INCLUDE_DIRS})
+
+# 添加可执行文件
+add_executable(universal_camera_sdk source/main.cpp)
+
+# 链接 OpenCV 静态库
+target_link_libraries(universal_camera_sdk ${OpenCV_LIBS})
+
+# 链接 FFmpeg 和 x264 静态库（OpenCV 已包含相关依赖，这里可能无需额外指定）
+# 若需要可添加以下内容
+target_link_libraries(universal_camera_sdk 
+    ${THIRDPARTY}/ffmpeg_build/x86_64/install/lib/libavcodec.a
+    ${THIRDPARTY}/ffmpeg_build/x86_64/install/lib/libavformat.a
+    ${THIRDPARTY}/ffmpeg_build/x86_64/install/lib/libavutil.a
+    ${THIRDPARTY}/ffmpeg_build/x86_64/install/lib/libswscale.a
+    ${THIRDPARTY}/x264_build/x86_64/install/lib/libx264.a
+)

build.sh

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+#!/bin/bash
+
+if [ -d out ]; then
+    rm -rf out
+fi
+
+mkdir out
+cd out
+cmake ..
+make -j4
+
+cp -a universal_camera_sdk /mnt/c/Users/LIKE/Desktop/

source/main.cpp

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+#include <iostream>
+#include <opencv2/opencv.hpp>
+#include <thread>
+#include <queue>
+#include <mutex>
+#include <condition_variable>
+#include <atomic>
+
+// 全局变量
+std::queue<cv::Mat> frameQueue;
+std::mutex queueMutex;
+std::condition_variable queueCondition;
+std::atomic<bool> isRecording(false);
+std::atomic<bool> stopRecording(false);
+
+// 帧获取线程函数
+void frameCaptureThread() {
+    cv::VideoCapture cap("/dev/video2");
+    if (!cap.isOpened()) {
+        std::cerr << "无法打开摄像头" << std::endl;
+        return;
+    }
+    // 设置分辨率和帧率
+    cap.set(cv::CAP_PROP_FRAME_WIDTH, 1920);
+    cap.set(cv::CAP_PROP_FRAME_HEIGHT, 1080);
+    cap.set(cv::CAP_PROP_FPS, 25);
+
+    cv::Mat frame;
+    while (isRecording) {
+        if (cap.read(frame)) {
+            std::unique_lock<std::mutex> lock(queueMutex);
+            frameQueue.push(frame.clone());
+            lock.unlock();
+            queueCondition.notify_one();
+        }
+    }
+    cap.release();
+}
+
+// 帧保存线程函数
+void frameSavingThread(const std::string& outputPath) {
+    cv::Size frameSize(1920, 1080);
+    int fps = 25;
+    cv::VideoWriter writer(outputPath, cv::VideoWriter::fourcc('H', '2', '6', '4'), fps, frameSize);
+    if (!writer.isOpened()) {
+        std::cerr << "无法打开视频写入器" << std::endl;
+        return;
+    }
+
+    while (!stopRecording || !frameQueue.empty()) {
+        std::unique_lock<std::mutex> lock(queueMutex);
+        queueCondition.wait(lock, [] { return!frameQueue.empty() || stopRecording; });
+
+        while (!frameQueue.empty()) {
+            cv::Mat frame = frameQueue.front();
+            frameQueue.pop();
+            writer.write(frame);
+        }
+    }
+    writer.release();
+}
+
+// 开始录像函数
+void startRecording(const std::string& outputPath) {
+    isRecording = true;
+    stopRecording = false;
+
+    std::thread captureThread(frameCaptureThread);
+    std::thread savingThread(frameSavingThread, outputPath);
+
+    captureThread.detach();
+    savingThread.detach();
+}
+
+// 停止录像函数
+void stopRecordingFunction() {
+    isRecording = false;
+    stopRecording = true;
+    {
+        std::unique_lock<std::mutex> lock(queueMutex);
+        queueCondition.notify_one();
+    }
+}
+
+int main() {
+    // 定义输出视频的参数
+    std::string outputPath = "output.mp4";
+
+    // 开始录像
+    startRecording(outputPath);
+
+    // 模拟录制一段时间
+    std::this_thread::sleep_for(std::chrono::seconds(10));
+
+    // 停止录像
+    stopRecordingFunction();
+
+    return 0;
+}