A demo illustrating using the NatCam webcam and NatCorder video recording API's for Unity Engine.

NatCamCorder.cs

using UnityEngine;
using UnityEngine.UI;
using NatCamU.Core;
using NatCorderU.Core;
using NatCorderU.Core.Clocks;

public class NatCamCorder : MonoBehaviour {
	   
    public RawImage rawImage;
	private IClock recordingClock;

    void Start () {
        NatCam.StartPreview(DeviceCamera.RearCamera, OnStart, OnFrame);
    }

    void Update () {
        // Toggle recording on a double-tap
        foreach (var touch in Input.touches)
            if (touch.phase == TouchPhase.Ended && touch.tapCount == 2)
                if (!NatCorder.IsRecording) {
                    recordingClock = new RealtimeClock();
                    NatCorder.StartRecording(
                        Container.MP4,
                        new VideoFormat(NatCam.Preview.width, NatCam.Preview.height),
                        AudioFormat.None,
                        OnVideo
                    );
		} else {
            NatCorder.StopRecording();
		}
    }


    #region --Callbacks--

    void OnStart () {
        // Display the camera preview
        rawImage.texture = NatCam.Preview;
    }

    void OnFrame () {
        if (NatCorder.IsRecording) {
            var frame = NatCorder.AcquireFrame();
            Graphics.Blit(NatCam.Preview, frame);
            NatCorder.CommitFrame(frame, clock.CurrentTimestamp);
        }
    }

    void OnVideo (string path) {
        Handheld.PlayFullScreenMovie(path);
    }
    #endregion
}