void OnVideoCaptureCreated(HoloLensCameraStream.VideoCapture videoCapture)
{
if (videoCapture == null)
{
Debug.LogError("Did not find a video capture object. You may not be using the HoloLens.");
return;
}
this._videoCapture = videoCapture;
//Request the spatial coordinate ptr if you want fetch the camera and set it if you need to
CameraStreamHelper.Instance.SetNativeISpatialCoordinateSystemPtr(_spatialCoordinateSystemPtr);
_resolution = CameraStreamHelper.Instance.GetLowestResolution();
float frameRate = CameraStreamHelper.Instance.GetHighestFrameRate(_resolution);
videoCapture.FrameSampleAcquired += OnFrameSampleAcquired;
//You don't need to set all of these params.
//I'm just adding them to show you that they exist.
HoloLensCameraStream.CameraParameters cameraParams = new HoloLensCameraStream.CameraParameters();
cameraParams.cameraResolutionHeight = _resolution.height;
cameraParams.cameraResolutionWidth = _resolution.width;
cameraParams.frameRate = Mathf.RoundToInt(frameRate);
cameraParams.pixelFormat = HoloLensCameraStream.CapturePixelFormat.BGRA32;
cameraParams.rotateImage180Degrees = true; //If your image is upside down, remove this line.
cameraParams.enableHolograms = false;
UnityEngine.WSA.Application.InvokeOnAppThread(() => {
_videoPanelUI.SetResolution(_resolution.width, _resolution.height);
}, false);
videoCapture.StartVideoModeAsync(cameraParams, OnVideoModeStarted);
}
private void OnVideoCaptureCreated(VideoCapture videoCapture)
{
if (videoCapture == null)
{
Debug.LogError("Did not find a video capture object. You may not be using the HoloLens.");
return;
}
_videoCapture = videoCapture;
//Request the spatial coordinate ptr if you want fetch the camera and set it if you need to
CameraStreamHelper.Instance.SetNativeISpatialCoordinateSystemPtr(_spatialCoordinateSystemPtr);
_resolution = CameraStreamHelper.Instance.GetLowestResolution();
float frameRate = CameraStreamHelper.Instance.GetHighestFrameRate(_resolution);
Debug.Log("Frame rate: " + frameRate);
videoCapture.FrameSampleAcquired += OnFrameSampleAcquired;
CameraParameters cameraParams = new CameraParameters();
cameraParams.cameraResolutionHeight = _resolution.height;
cameraParams.cameraResolutionWidth = _resolution.width;
cameraParams.frameRate = Mathf.RoundToInt(frameRate);
cameraParams.pixelFormat = CapturePixelFormat.BGRA32;
cameraParams.rotateImage180Degrees = false;
cameraParams.enableHolograms = false;
videoCapture.StartVideoModeAsync(cameraParams, OnVideoModeStarted);
}
private void OnVideoCaptureCreated(HoloLensCameraStream.VideoCapture v)
{
if (v == null)
{
Debug.LogError("No VideoCapture found");
return;
}
_videoCapture = v;
//Request the spatial coordinate ptr if you want fetch the camera and set it if you need to
CameraStreamHelper.Instance.SetNativeISpatialCoordinateSystemPtr(_spatialCoordinateSystemPtr);
_resolution = CameraStreamHelper.Instance.GetLowestResolution();
float frameRate = CameraStreamHelper.Instance.GetHighestFrameRate(_resolution);
_videoCapture.FrameSampleAcquired += OnFrameSampleAcquired;
HoloLensCameraStream.CameraParameters cameraParams = new HoloLensCameraStream.CameraParameters();
cameraParams.cameraResolutionHeight = _resolution.height;
cameraParams.cameraResolutionWidth = _resolution.width;
cameraParams.frameRate = Mathf.RoundToInt(frameRate);
cameraParams.pixelFormat = HoloLensCameraStream.CapturePixelFormat.BGRA32;
UnityEngine.WSA.Application.InvokeOnAppThread(() => { _pictureTexture = new Texture2D(_resolution.width, _resolution.height, TextureFormat.BGRA32, false); }, false);
_videoCapture.StartVideoModeAsync(cameraParams, OnVideoModeStarted);
}
private void OnVideoCaptureInstanceCreated(HoloLensCameraStream.VideoCapture videoCapture)
{
if (videoCapture == null)
{
Debug.LogError("Creating the VideoCapture object failed.");
return;
}
CameraStreamHelper.videoCapture = videoCapture;
if (VideoCaptureCreated != null)
{
VideoCaptureCreated(videoCapture);
}
}
protected virtual IEnumerator _Dispose()
{
while (isChangeVideoModeWaiting)
{
yield return(null);
}
isChangeVideoModeWaiting = true;
videoCapture.StopVideoModeAsync(result => {
videoCapture.Dispose();
videoCapture = null;
isChangeVideoModeWaiting = false;
});
}
protected virtual HoloLensCameraStream.CameraParameters CreateCameraParams(HoloLensCameraStream.VideoCapture videoCapture)
{
int min1 = videoCapture.GetSupportedResolutions().Min(r => Mathf.Abs((r.width * r.height) - (_requestedWidth * _requestedHeight)));
HoloLensCameraStream.Resolution resolution = videoCapture.GetSupportedResolutions().First(r => Mathf.Abs((r.width * r.height) - (_requestedWidth * _requestedHeight)) == min1);
float min2 = videoCapture.GetSupportedFrameRatesForResolution(resolution).Min(f => Mathf.Abs(f - _requestedFPS));
float frameRate = videoCapture.GetSupportedFrameRatesForResolution(resolution).First(f => Mathf.Abs(f - _requestedFPS) == min2);
HoloLensCameraStream.CameraParameters cameraParams = new HoloLensCameraStream.CameraParameters();
cameraParams.cameraResolutionHeight = resolution.height;
cameraParams.cameraResolutionWidth = resolution.width;
cameraParams.frameRate = Mathf.RoundToInt(frameRate);
cameraParams.pixelFormat = CapturePixelFormat.BGRA32;
cameraParams.enableHolograms = false;
return(cameraParams);
}
/// <summary>
/// Raises the destroy event.
/// </summary>
protected override void OnDestroy()
{
Dispose();
if (videoCapture != null)
{
if (videoCapture.IsStreaming)
{
videoCapture.StopVideoModeAsync(result => {
videoCapture.Dispose();
videoCapture = null;
});
}
else
{
videoCapture.Dispose();
videoCapture = null;
}
}
}
protected virtual HoloLensCameraStream.CameraParameters CreateCameraParams(HoloLensCameraStream.VideoCapture videoCapture)
{
int min1 = videoCapture.GetSupportedResolutions().Min(r => Mathf.Abs((r.width * r.height) - (_requestedWidth * _requestedHeight)));
HoloLensCameraStream.Resolution resolution = videoCapture.GetSupportedResolutions().First(r => Mathf.Abs((r.width * r.height) - (_requestedWidth * _requestedHeight)) == min1);
float min2 = videoCapture.GetSupportedFrameRatesForResolution(resolution).Min(f => Mathf.Abs(f - _requestedFPS));
float frameRate = videoCapture.GetSupportedFrameRatesForResolution(resolution).First(f => Mathf.Abs(f - _requestedFPS) == min2);
HoloLensCameraStream.CameraParameters cameraParams = new HoloLensCameraStream.CameraParameters();
cameraParams.cameraResolutionHeight = resolution.height;
cameraParams.cameraResolutionWidth = resolution.width;
cameraParams.frameRate = Mathf.RoundToInt(frameRate);
cameraParams.pixelFormat = (outputColorFormat == ColorFormat.GRAY) ? CapturePixelFormat.NV12 : CapturePixelFormat.BGRA32;
cameraParams.rotateImage180Degrees = false;
cameraParams.enableHolograms = false;
cameraParams.enableVideoStabilization = false;
cameraParams.recordingIndicatorVisible = false;
return(cameraParams);
}
/// <summary>
/// Initializes this instance by coroutine.
/// </summary>
protected override IEnumerator _Initialize()
{
if (hasInitDone)
{
ReleaseResources();
if (onDisposed != null)
{
onDisposed.Invoke();
}
}
isInitWaiting = true;
while (isChangeVideoModeWaiting)
{
yield return(null);
}
isChangeVideoModeWaiting = true;
if (videoCapture != null)
{
videoCapture.StopVideoModeAsync(result1 => {
cameraParams = CreateCameraParams(videoCapture);
videoCapture.StartVideoModeAsync(cameraParams, result2 => {
if (!result2.success)
{
isChangeVideoModeWaiting = false;
isInitWaiting = false;
CancelInitCoroutine();
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.UNKNOWN);
}
}
else
{
isChangeVideoModeWaiting = false;
}
});
});
}
else
{
//Fetch a pointer to Unity's spatial coordinate system if you need pixel mapping
spatialCoordinateSystemPtr = UnityEngine.VR.WSA.WorldManager.GetNativeISpatialCoordinateSystemPtr();
HoloLensCameraStream.VideoCapture.CreateAync(videoCapture => {
if (initCoroutine == null)
{
return;
}
if (videoCapture == null)
{
Debug.LogError("Did not find a video capture object. You may not be using the HoloLens.");
isChangeVideoModeWaiting = false;
isInitWaiting = false;
CancelInitCoroutine();
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.CAMERA_DEVICE_NOT_EXIST);
}
return;
}
this.videoCapture = videoCapture;
//Request the spatial coordinate ptr if you want fetch the camera and set it if you need to
videoCapture.WorldOriginPtr = spatialCoordinateSystemPtr;
cameraParams = CreateCameraParams(videoCapture);
videoCapture.FrameSampleAcquired -= OnFrameSampleAcquired;
videoCapture.FrameSampleAcquired += OnFrameSampleAcquired;
videoCapture.StartVideoModeAsync(cameraParams, result => {
if (!result.success)
{
isChangeVideoModeWaiting = false;
isInitWaiting = false;
CancelInitCoroutine();
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.UNKNOWN);
}
}
else
{
isChangeVideoModeWaiting = false;
}
});
});
}
int initFrameCount = 0;
bool isTimeout = false;
while (true)
{
if (initFrameCount > _timeoutFrameCount)
{
isTimeout = true;
break;
}
else if (didUpdateThisFrame)
{
Debug.Log("HololensCameraStreamToMatHelper:: " + "name:" + "" + " width:" + cameraParams.cameraResolutionWidth + " height:" + cameraParams.cameraResolutionHeight + " fps:" + cameraParams.frameRate);
if (colors == null || colors.Length != cameraParams.cameraResolutionWidth * cameraParams.cameraResolutionHeight)
{
colors = new Color32[cameraParams.cameraResolutionWidth * cameraParams.cameraResolutionHeight];
}
frameMat = new Mat(cameraParams.cameraResolutionHeight, cameraParams.cameraResolutionWidth, CvType.CV_8UC4);
screenOrientation = Screen.orientation;
if (_requestedRotate90Degree)
{
rotatedFrameMat = new Mat(cameraParams.cameraResolutionWidth, cameraParams.cameraResolutionHeight, CvType.CV_8UC4);
}
isInitWaiting = false;
initCoroutine = null;
if (onInitialized != null)
{
onInitialized.Invoke();
}
hasInitDone = true;
break;
}
else
{
initFrameCount++;
yield return(null);
}
}
if (isTimeout)
{
if (videoCapture != null)
{
videoCapture.FrameSampleAcquired -= OnFrameSampleAcquired;
isChangeVideoModeWaiting = true;
videoCapture.StopVideoModeAsync(result => {
videoCapture.Dispose();
videoCapture = null;
isChangeVideoModeWaiting = false;
});
isInitWaiting = false;
initCoroutine = null;
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.TIMEOUT);
}
}
else
{
isInitWaiting = false;
initCoroutine = null;
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.TIMEOUT);
}
}
}
}
/// <summary>
/// Initializes this instance by coroutine.
/// </summary>
protected override IEnumerator _Initialize()
{
if (hasInitDone)
{
StartCoroutine(_Stop());
while (isChangeVideoModeWaiting)
{
yield return(null);
}
ReleaseResources();
if (onDisposed != null)
{
onDisposed.Invoke();
}
}
isInitWaiting = true;
while (isChangeVideoModeWaiting)
{
yield return(null);
}
isChangeVideoModeWaiting = true;
if (videoCapture != null)
{
videoCapture.StopVideoModeAsync(result1 =>
{
cameraParams = CreateCameraParams(videoCapture);
videoCapture.StartVideoModeAsync(cameraParams, result2 =>
{
if (!result2.success)
{
isChangeVideoModeWaiting = false;
isInitWaiting = false;
CancelInitCoroutine();
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.UNKNOWN);
}
}
else
{
isChangeVideoModeWaiting = false;
}
});
});
}
else
{
//Fetch a pointer to Unity's spatial coordinate system if you need pixel mapping
#if UNITY_2017_2_OR_NEWER
spatialCoordinateSystemPtr = UnityEngine.XR.WSA.WorldManager.GetNativeISpatialCoordinateSystemPtr();
#else
spatialCoordinateSystemPtr = UnityEngine.VR.WSA.WorldManager.GetNativeISpatialCoordinateSystemPtr();
#endif
HoloLensCameraStream.VideoCapture.CreateAync(videoCapture =>
{
if (initCoroutine == null)
{
return;
}
if (videoCapture == null)
{
Debug.LogError("Did not find a video capture object. You may not be using the HoloLens.");
isChangeVideoModeWaiting = false;
isInitWaiting = false;
CancelInitCoroutine();
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.CAMERA_DEVICE_NOT_EXIST);
}
return;
}
this.videoCapture = videoCapture;
//Request the spatial coordinate ptr if you want fetch the camera and set it if you need to
videoCapture.WorldOriginPtr = spatialCoordinateSystemPtr;
cameraParams = CreateCameraParams(videoCapture);
videoCapture.FrameSampleAcquired -= OnFrameSampleAcquired;
videoCapture.FrameSampleAcquired += OnFrameSampleAcquired;
videoCapture.StartVideoModeAsync(cameraParams, result =>
{
if (!result.success)
{
isChangeVideoModeWaiting = false;
isInitWaiting = false;
CancelInitCoroutine();
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.UNKNOWN);
}
}
else
{
isChangeVideoModeWaiting = false;
}
});
});
}
int initFrameCount = 0;
bool isTimeout = false;
while (true)
{
if (initFrameCount > _timeoutFrameCount)
{
isTimeout = true;
break;
}
else if (didUpdateThisFrame)
{
Debug.Log("HololensCameraStreamToMatHelper:: " + "name:" + "" + " width:" + cameraParams.cameraResolutionWidth + " height:" + cameraParams.cameraResolutionHeight + " fps:" + cameraParams.frameRate);
baseColorFormat = (outputColorFormat == ColorFormat.GRAY) ? ColorFormat.GRAY : ColorFormat.BGRA;
baseMat = new Mat(cameraParams.cameraResolutionHeight, cameraParams.cameraResolutionWidth, CvType.CV_8UC(Channels(baseColorFormat)));
if (baseColorFormat == outputColorFormat)
{
frameMat = baseMat;
}
else
{
frameMat = new Mat(baseMat.rows(), baseMat.cols(), CvType.CV_8UC(Channels(outputColorFormat)));
}
if (_rotate90Degree)
{
rotatedFrameMat = new Mat(frameMat.cols(), frameMat.rows(), CvType.CV_8UC(Channels(outputColorFormat)));
}
isInitWaiting = false;
hasInitDone = true;
initCoroutine = null;
if (onInitialized != null)
{
onInitialized.Invoke();
}
hasInitEventCompleted = true;
break;
}
else
{
initFrameCount++;
yield return(null);
}
}
if (isTimeout)
{
if (videoCapture != null)
{
videoCapture.FrameSampleAcquired -= OnFrameSampleAcquired;
isChangeVideoModeWaiting = true;
videoCapture.StopVideoModeAsync(result =>
{
videoCapture.Dispose();
videoCapture = null;
isChangeVideoModeWaiting = false;
});
isInitWaiting = false;
initCoroutine = null;
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.TIMEOUT);
}
}
else
{
isInitWaiting = false;
initCoroutine = null;
if (onErrorOccurred != null)
{
onErrorOccurred.Invoke(ErrorCode.TIMEOUT);
}
}
}
}
