비디오 캡처(Video Capture)

Use the VideoCapture API to record videos directly to the file system in the MP4 format. Please note that the VideoCapture API does not work in the Unity Editor.

VideoCapture API를 사용하려면, 웹캠과 마이크 성능을 활성화해야 합니다. 다음은 5초 간의 비디오를 녹화하여 파일 시스템에 저장하는 예제입니다.

using UnityEngine;
using System.Collections;
using System.Linq;
using UnityEngine.VR.WSA.WebCam;

public class VideoCaptureExample : MonoBehaviour
{
    static readonly float MaxRecordingTime = 5.0f;

    VideoCapture m_VideoCapture = null;
    float m_stopRecordingTimer = float.MaxValue;

    // Use this for initialization
    void Start()
    {

        StartVideoCaptureTest();
    }

    void Update()
    {
        if (m_VideoCapture == null || !m_VideoCapture.IsRecording)
        {
            return;
        }

        if (Time.time > m_stopRecordingTimer)
        {
            m_VideoCapture.StopRecordingAsync(OnStoppedRecordingVideo);
        }
    }

    void StartVideoCaptureTest()
    {

        Resolution cameraResolution = VideoCapture.SupportedResolutions.OrderByDescending((res) => res.width * res.height).First();
        Debug.Log(cameraResolution);

        float cameraFramerate = VideoCapture.GetSupportedFrameRatesForResolution(cameraResolution).OrderByDescending((fps) => fps).First();
        Debug.Log(cameraFramerate);

        VideoCapture.CreateAsync(false, delegate (VideoCapture videoCapture)
        {
            if (videoCapture != null)
            {
                m_VideoCapture = videoCapture;
                Debug.Log("Created VideoCapture Instance!");

                CameraParameters cameraParameters = new CameraParameters();
                cameraParameters.hologramOpacity = 0.0f;
                cameraParameters.frameRate = cameraFramerate;
                cameraParameters.cameraResolutionWidth = cameraResolution.width;
                cameraParameters.cameraResolutionHeight = cameraResolution.height;
                cameraParameters.pixelFormat = CapturePixelFormat.BGRA32;

                m_VideoCapture.StartVideoModeAsync(cameraParameters,
                                                   VideoCapture.AudioState.ApplicationAndMicAudio,
                                                   OnStartedVideoCaptureMode);
            }
            else
            {
                Debug.LogError("Failed to create VideoCapture Instance!");
            }
        });
    }

    void OnStartedVideoCaptureMode(VideoCapture.VideoCaptureResult result)
    {
        Debug.Log("Started Video Capture Mode!");
        string timeStamp = Time.time.ToString().Replace(".", "").Replace(":", "");
        string filename = string.Format("TestVideo_{0}.mp4", timeStamp);
        string filepath = System.IO.Path.Combine(Application.persistentDataPath, filename);
        filepath = filepath.Replace("/", @"\\");
        m_VideoCapture.StartRecordingAsync(filepath, OnStartedRecordingVideo);
    }

    void OnStoppedVideoCaptureMode(VideoCapture.VideoCaptureResult result)
    {
        Debug.Log("Stopped Video Capture Mode!");
    }

    void OnStartedRecordingVideo(VideoCapture.VideoCaptureResult result)
    {
        Debug.Log("Started Recording Video!");
        m_stopRecordingTimer = Time.time + MaxRecordingTime;
    }

    void OnStoppedRecordingVideo(VideoCapture.VideoCaptureResult result)
    {
        Debug.Log("Stopped Recording Video!");
        m_VideoCapture.StopVideoModeAsync(OnStoppedVideoCaptureMode);
    }
}