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.
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); } }
SupportedResolutions | A list of all the supported device resolutions for recording videos. |
IsRecording | Indicates whether or not the VideoCapture instance is currently recording video. |
Dispose | You must call Dispose to shutdown the VideoCapture instance and release the native WinRT objects. |
GetUnsafePointerToVideoDeviceController | Provides a COM pointer to the native IVideoDeviceController. |
StartRecordingAsync | Asynchronously records a video from the web camera to the file system. |
StartVideoModeAsync | Asynchronously starts video mode. |
StopRecordingAsync | Asynchronously stops recording a video from the web camera to the file system. |
StopVideoModeAsync | Asynchronously stops video mode. |
CreateAsync | Asynchronously creates an instance of a VideoCapture object that can be used to record videos from the web camera to disk. |
GetSupportedFrameRatesForResolution | Returns the supported frame rates at which a video can be recorded given a resolution. |
OnStartedRecordingVideoCallback | Called when the web camera begins recording the video. |
OnStoppedRecordingVideoCallback | Called when the video recording has been saved to the file system. |
OnVideoCaptureResourceCreatedCallback | Called when a VideoCapture resource has been created. |
OnVideoModeStartedCallback | Called when video mode has been started. |
OnVideoModeStoppedCallback | Called when video mode has been stopped. |