VideoCapture

설명

Records a video from the web camera directly to disk.

This API is supported in the Windows Players (Standalone and Universal Windows Platform) and in the Windows Editor. The final video recording will be stored on the local file system in the MP4 format. VideoCapture is implemented using the WinRT interface: Windows.Media.Capture.IMediaCapture.
For more information, see Microsoft documentation on Windows MediaCapture.

Note: Universal Windows Platform requires both webcam and microphone capabilities.

Important: Requires Windows 10 (v10.0.10240.0 or later) and doesn't work on Windows 7.

using UnityEngine;
using System.Collections;
using System.Linq;
using UnityEngine.Windows.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);
    }
}

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