C++ NDI SDK获取红色、绿色、蓝色值

#include <iostream>
#include <ndi/ndi.hpp>

int main() {
    // 初始化NDI查找器
    ndi::finder finder;
    finder.enable_video(true);

    // 查找NDI发送端
    auto senders = finder.find();
    if (senders.empty()) {
        std::cerr << "No NDI senders found!" << std::endl;
        return 1;
    }

    // 连接到第一个NDI发送端
    auto sender = senders[0];
    ndi::receiver receiver(sender);

    // 设置接收器为RGB格式
    receiver.set_color_format(ndi::color_format::RGB);

    // 开始接收视频帧
    while (true) {
        auto frame = receiver.receive();
        if (!frame) break;

        // 获取视频帧数据
        auto video_frame = frame->get_video_frame();
        if (!video_frame) continue;

        // 遍历每个像素获取RGB值
        for (int y = 0; y < video_frame->height(); ++y) {
            for (int x = 0; x < video_frame->width(); ++x) {
                auto pixel = video_frame->get_pixel(x, y);
                uint8_t r = pixel.r;
                uint8_t g = pixel.g;
                uint8_t b = pixel.b;

                // 处理RGB值...
                std::cout << "Pixel at ("<< x << ", "<< y << "): R=" << static_cast<int>(r)
                          << ", G=" << static_cast<int>(g) << ", B=" << static_cast<int>(b) << std::endl;
            }
        }
    }

    return 0;
}