@dderevjanik/termux-api/src/scripts/termux-camera-info.ts

This library allows you to interact with your Android device from Node.js using termux-api

import { exec } from "child_process";

export interface CameraImageSize {
  /**
   * The width of the image.
   * @example 4608
   */
  width: number;

  /**
   * The height of the image.
   * @example 2592
   */
  height: number;
}

export interface CameraPhysicalSize {
  /**
   * The width of the sensor.
   * @example 6.495999813079834
   */
  width: number;

  /**
   * The height of the sensor.
   * @example 4.860799789428711
   */
  height: number;
}

export interface CameraCapabilities {
  /**
   * The ID of the camera.
   * @example "0"
   */
  id: string;

  /**
   * The facing direction of the camera.
   * @example "back"
   */
  facing: string;

  /**
   * The available JPEG output sizes.
   */
  jpeg_output_sizes: CameraImageSize[];

  /**
   * The available focal lengths.
   * @example [4.695000171661377]
   */
  focal_lengths: number[];

  /**
   * The available auto exposure modes.
   * @example ["CONTROL_AE_MODE_OFF", "CONTROL_AE_MODE_ON"]
   */
  auto_exposure_modes: string[];

  /**
   * The physical size of the camera sensor.
   */
  physical_size: CameraPhysicalSize;

  /**
   * The capabilities of the camera.
   * @example ["backward_compatible", "constrained_high_speed_video"]
   */
  capabilities: string[];
}

/**
 * Get information about device camera(s)
 */
export async function cameraInfo(): Promise<CameraCapabilities[]> {
  return new Promise<CameraCapabilities[]>((resolve, reject) => {
    const command = `termux-camera-info`;
    exec(command, (error, stdout, stderr) => {
      if (error) {
        return reject(`Error: ${error.message}`);
      }
      if (stderr) {
        return reject(`Error: ${stderr}`);
      }
      const output = stdout.trim();
      const cameraCapabilities: CameraCapabilities[] = JSON.parse(output);
      return resolve(cameraCapabilities);
    });
  });
}