Method ParseDevice

src/parser.cpp:397–442

}

void Parser::ParseDevice(Args &args) {
    size_t pos = args.camera.find(':');
    if (pos == std::string::npos) {
        throw std::runtime_error("Invalid camera string: " + args.camera +
                                 ". Expected format: libcamera:<id> or v4l2:<id>");
    }

    std::string prefix = args.camera.substr(0, pos);
    std::string id = args.camera.substr(pos + 1);

    try {
        args.camera_id = std::stoi(id);
    } catch (const std::exception &e) {
        throw std::runtime_error("Invalid camera ID: " + id);
    }

    if (prefix == "libcamera") {
#if defined(USE_LIBCAMERA_CAPTURE)
        args.use_libcamera = true;
        args.format = V4L2_PIX_FMT_YUV420;
        INFO_PRINT("Using libcamera, ID: %d", args.camera_id);
#elif defined(JETSON_PLATFORM)
        throw std::runtime_error("Jetson does not support libcamera. Use v4l2:<id> instead.");
#else
        throw std::runtime_error("libcamera is not supported on this platform.");
#endif

    } else if (prefix == "libargus") {
#if defined(USE_LIBARGUS_CAPTURE)
        args.use_libargus = true;
        args.format = V4L2_PIX_FMT_YUV420;
#elif defined(RPI_PLATFORM)
        throw std::runtime_error("Raspberry Pi does not support libargus. Use v4l2:<id> instead.");
#else
        throw std::runtime_error("libargus is not supported on this platform.");
#endif
    } else if (prefix == "v4l2") {
        args.format = ParseEnum(v4l2_fmt_table, args.v4l2_format);
        INFO_PRINT("Using V4L2, ID: %d", args.camera_id);
        INFO_PRINT("V4L2 format: %s", args.v4l2_format.c_str());

    } else {
        throw std::runtime_error("Unknown camera type: " + prefix +
                                 ". Expected 'libcamera', 'libargus' or 'v4l2'");
    }
}