public void SetUpPhysicalCamera(int deviceIndex)
{
//check for physical cameras
if (WebCamTexture.devices.Length <= 0)
{
Debug.LogWarning("No Camera Device Was Found!");
return;
}
//check if the provided index is correct
if (deviceIndex >= WebCamTexture.devices.Length)
{
webCamDevice = null;
Debug.LogError("There is no device with that index");
return;
}
//Get the device
webCamDevice = WebCamTexture.devices[deviceIndex];
//Create a WebCamTexture
webCamTexture = new WebCamTexture(webCamDevice.Value.name, webCamSettings.requestedWidth,
webCamSettings.requestedHeight, webCamSettings.TextureFPS);
ApplyTextureConversionParameters();
AssignNewCameraTextureResolution(webCamSettings.requestedWidth, webCamSettings.requestedHeight, true);
}
public void ResetScreen(WebCamDevice?device)
{
if (webCamTexture != null && webCamTexture.isPlaying)
{
webCamTexture.Stop();
webCamTexture = null;
}
if (device == null)
{
return;
}
webCamTexture = new WebCamTexture(device?.name, DefaultHeight, DefaultWidth, FPS);
try {
webCamTexture.Play();
} catch (Exception e) {
Debug.LogWarning(e.Message);
return;
}
Renderer renderer = GetComponent <Renderer>();
outputTexture = new Texture2D(webCamTexture.width, webCamTexture.height);
renderer.material.mainTexture = outputTexture;
pixelData = new Color32[webCamTexture.width * webCamTexture.height];
}
/// TODO: use Coroutine and call InitScreen here
public void ResetScreen(WebCamDevice?device)
{
if (isPlaying)
{
webCamTexture.Stop();
webCamTexture = null;
}
if (device is WebCamDevice deviceValue)
{
webCamDevice = deviceValue;
}
else
{
return;
}
/// TODO: call Application.RequestUserAuthorization
webCamTexture = new WebCamTexture(webCamDevice.name, Width, Height, FPS);
WebCamTextureFramePool.Instance.SetDimension(Width, Height);
try {
webCamTexture.Play();
Debug.Log($"WebCamTexture Graphics Format: {webCamTexture.graphicsFormat}");
} catch (Exception e) {
Debug.LogWarning(e.ToString());
return;
}
}
void OnValueChanged(Dropdown dropdown)
{
WebCamDevice?device = dropdown.value < devices.Length ? (WebCamDevice?)devices[dropdown.value] : null;
Debug.Log("WebCamDevice Changed: " + device?.name);
sceneDirector.GetComponent <SceneDirector>().ChangeWebCamDevice(device);
}
void ResetCamera(WebCamDevice?webCamDevice)
{
StopCamera();
var webCamScreen = GameObject.Find("WebCamScreen");
cameraSetupCoroutine = StartCoroutine(webCamScreen.GetComponent <WebCamScreenController>().ResetScreen(webCamDevice));
this.webCamDevice = webCamDevice;
}
private CameraManager()
{
WebCamDevice?device = WebCamTexture.devices.FirstOrDefault(d => d.isFrontFacing);
if (device.HasValue)
{
Camera = new WebCamTexture(device.Value.name, Screen.height, Screen.width);
Camera.filterMode = FilterMode.Point;
}
}
public void ChangeWebCamDevice(WebCamDevice?webCamDevice)
{
lock (graphLock) {
ResetCamera(webCamDevice);
if (graphPrefab != null)
{
StopGraph();
StartGraph();
}
}
}
public void SetWebCamDevice(WebCamDevice?webCamDevice)
{
this.webCamDevice = webCamDevice;
webCamScreen.GetComponent <WebCamScreenController>().ResetScreen(webCamDevice);
if (graphRunner != null)
{
StopCoroutine(graphRunner);
}
graphRunner = StartCoroutine(RunGraph());
}
public IEnumerator ResetScreen(WebCamDevice?device)
{
if (isPlaying)
{
webCamTexture.Stop();
webCamTexture = null;
pixelData = null;
}
if (device is WebCamDevice deviceValue)
{
webCamDevice = deviceValue;
}
else
{
yield break;
}
webCamTexture = new WebCamTexture(webCamDevice.name, Width, Height, FPS);
WebCamTextureFramePool.Instance.SetDimension(Width, Height);
try {
webCamTexture.Play();
Debug.Log($"WebCamTexture Graphics Format: {webCamTexture.graphicsFormat}");
} catch (Exception e) {
Debug.LogWarning(e.ToString());
yield break;
}
var waitFrame = MAX_FRAMES_TO_BE_INITIALIZED;
yield return(new WaitUntil(() => {
return isWebCamTextureInitialized || --waitFrame < 0;
}));
if (!isWebCamTextureInitialized)
{
Debug.LogError("Failed to initialize WebCamTexture");
yield break;
}
Renderer renderer = GetComponent <Renderer>();
RawImage rawImage = GetComponent <RawImage>();
outputTexture = new Texture2D(webCamTexture.width, webCamTexture.height, TextureFormat.RGBA32, false);
//renderer.material.mainTexture = outputTexture;
rawImage.texture = outputTexture;
pixelData = new Color32[webCamTexture.width * webCamTexture.height];
}
void OnDestroy()
{
if (webCamTexture != null && webCamTexture.isPlaying)
{
Debug.Log("Camera is still playing");
webCamTexture.Pause();
while (webCamTexture.isPlaying)
{
Debug.Log("Camera is stopping....");
}
Debug.Log("Camera stopped playing");
}
webCamTexture.Stop();
webCamTexture = null;
webCamDevice = null;
}
protected IEnumerator Initialize()
{
/* Waiting for a frame can help on some devices, especially when initializing the camera when returning from background */
yield return(null);
WebCamDevice?selectedDevice = null;
/* First search for a back-facing device */
foreach (var device in WebCamTexture.devices)
{
if (!device.isFrontFacing)
{
selectedDevice = device;
break;
}
}
/* If no back-facing device was found, search again for a front facing device */
if (selectedDevice == null)
{
if (WebCamTexture.devices.Length > 0)
{
selectedDevice = WebCamTexture.devices[0];
}
}
if (selectedDevice != null)
{
_feed = new WebCamTexture(selectedDevice.Value.name, FrameWidth, FrameHeight);
_feed.Play();
}
if (_feed == null)
{
Debug.LogError("Could not find any cameras on the device.");
}
ResetBuffers(FrameWidth, FrameHeight, 4);
}
public void ResetScreen(WebCamDevice?device)
{
if (webCamTexture != null && webCamTexture.isPlaying)
{
webCamTexture.Stop();
webCamTexture = null;
}
if (device == null)
{
return;
}
webCamTexture = new WebCamTexture(device?.name, DefaultWidth, DefaultHeight, FPS);
try {
webCamTexture.Play();
} catch (Exception e) {
Debug.LogWarning(e.ToString());
return;
}
}
}// Start is called before the first frame update
// Update is called once per frame
private WebCamDevice FinddFrontFacingCamera()
{
// find camera
var deviceList = WebCamTexture.devices;
if (deviceList.Length == 0)
{
if (Application.isEditor)
{
Debug.LogWarning("No camera found");
}
else
{
throw new Exception("No camera found");
}
}
WebCamDevice?device = null;
foreach (var d in deviceList)
{
if (d.isFrontFacing)
{
device = d;
}
}
if (device == null)
{
if (Application.isEditor)
{
Debug.LogWarning("No FrontFacing camera found");
}
else
{
throw new Exception("No FrontFacing camera found");
}
}
return(device.Value);
}
private WebCamDevice FindFrontFacingCamera()
{
// find camera
var deviceList = WebCamTexture.devices;
if (deviceList.Length == 0)
{
throw new Exception("No camera found");
}
WebCamDevice?device = null;
foreach (var d in deviceList)
{
if (d.isFrontFacing)
{
device = d;
}
}
if (device == null)
{
throw new Exception("No FrontFacing camera found");
}
return(device.Value);
}
public IEnumerator ResetScreen(WebCamDevice?device)
{
#if UNITY_ANDROID
if (!Permission.HasUserAuthorizedPermission(Permission.Camera))
{
Permission.RequestUserPermission(Permission.Camera);
}
#elif UNITY_IOS
if (!Application.HasUserAuthorization(UserAuthorization.WebCam))
{
yield return(Application.RequestUserAuthorization(UserAuthorization.WebCam));
}
#endif
if (isPlaying)
{
webCamTexture.Stop();
webCamTexture = null;
pixelData = null;
}
if (!Application.HasUserAuthorization(UserAuthorization.WebCam))
{
Debug.LogWarning("Not permitted to use Camera");
yield break;
}
if (device is WebCamDevice deviceValue)
{
webCamDevice = deviceValue;
}
else
{
yield break;
}
webCamTexture = new WebCamTexture(webCamDevice.name, Width, Height, FPS);
WebCamTextureFramePool.Instance.SetDimension(Width, Height);
try {
webCamTexture.Play();
Debug.Log($"WebCamTexture Graphics Format: {webCamTexture.graphicsFormat}");
} catch (Exception e) {
Debug.LogWarning(e.ToString());
yield break;
}
var waitFrame = MAX_FRAMES_TO_BE_INITIALIZED;
yield return(new WaitUntil(() => {
return isWebCamTextureInitialized || --waitFrame < 0;
}));
if (!isWebCamTextureInitialized)
{
Debug.LogError("Failed to initialize WebCamTexture");
yield break;
}
Renderer renderer = GetComponent <Renderer>();
outputTexture = new Texture2D(webCamTexture.width, webCamTexture.height, TextureFormat.RGBA32, false);
renderer.material.mainTexture = outputTexture;
pixelData = new Color32[webCamTexture.width * webCamTexture.height];
}
private IEnumerator Initialize(bool firstStart)
{
if (!firstStart)
{
// If we are resuming from background, we wait a frame to make sure that everything is initialized
// before starting the camera again.
yield return(null);
}
WebCamDevice?selectedDevice = null;
// First search for a back-facing device
foreach (var device in WebCamTexture.devices)
{
if (!device.isFrontFacing)
{
selectedDevice = device;
break;
}
}
// If no back-facing device was found, search again for a front facing device
if (selectedDevice == null)
{
if (WebCamTexture.devices.Length > 0)
{
selectedDevice = WebCamTexture.devices[0];
}
}
if (selectedDevice != null)
{
_feed = new WebCamTexture(selectedDevice.Value.name, FrameWidth, FrameHeight);
_feed.Play();
}
if (_feed == null)
{
Debug.LogError("Could not find any cameras on the device.");
}
ResetBuffers(FrameWidth, FrameHeight, 4);
// Wait a frame before getting the camera rotation, otherwise it might not be initialized yet
yield return(null);
if (Application.platform == RuntimePlatform.Android)
{
bool rotatedSensor = false;
switch (Screen.orientation)
{
case ScreenOrientation.Portrait: {
rotatedSensor = _feed.videoRotationAngle == 270;
break;
}
case ScreenOrientation.LandscapeLeft: {
rotatedSensor = _feed.videoRotationAngle == 180;
break;
}
case ScreenOrientation.LandscapeRight: {
rotatedSensor = _feed.videoRotationAngle == 0;
break;
}
case ScreenOrientation.PortraitUpsideDown: {
rotatedSensor = _feed.videoRotationAngle == 90;
break;
}
}
if (rotatedSensor)
{
// Normally, we use InvertedFrame = true, because textures in Unity are mirrored vertically, when compared with the ones the camera provides.
// However, when we detect that the camera sensor is rotated by 180 degrees, as is the case for the Nexus 5X for example,
// We turn off inverted frame and enable mirrored frame, which has the effect of rotating the frame upside down.
// We use the MirroredFrame property and not the EnableMirroring property because the first one actually changes the data that
// is being processed, while the second one only changes how the frame is rendered, leaving the frame data intact.
// WikitudeCam.InvertedFrame = false;
// WikitudeCam.MirroredFrame = true;
// Additionally, because we are doing the rendering in Unity, we need to instruct the renderer to flip the image.
Renderer.FlipImage = true;
}
}
}
public void ChangeWebCamDevice(WebCamDevice?webCamDevice)
{
this.webCamDevice = webCamDevice;
webCamScreen.GetComponent <WebCamScreenController>().ResetScreen(webCamDevice);
}
private IEnumerator Initialize(bool firstStart)
{
if (!firstStart)
{
/* If we are resuming from background, we wait a frame to make sure that everything is initialized
* before starting the camera again.
*/
yield return(null);
}
if (_feed == null)
{
WebCamDevice?selectedDevice = null;
/* First search for a back-facing device */
foreach (var device in WebCamTexture.devices)
{
if (!device.isFrontFacing)
{
selectedDevice = device;
break;
}
}
/* If no back-facing device was found, search again for a front facing device */
if (selectedDevice == null)
{
if (WebCamTexture.devices.Length > 0)
{
selectedDevice = WebCamTexture.devices[0];
}
}
if (selectedDevice != null)
{
_feed = new WebCamTexture(selectedDevice.Value.name, FrameWidth, FrameHeight);
_feed.Play();
}
}
else
{
_feed.Play();
}
if (_feed == null)
{
Debug.LogError("Could not find any cameras on the device.");
}
ResetBuffers(FrameWidth, FrameHeight, 4);
// Wait a frame before getting the camera rotation, otherwise it might not be initialized yet
yield return(null);
if (Application.platform == RuntimePlatform.Android)
{
bool rotatedSensor = false;
switch (Screen.orientation)
{
case ScreenOrientation.Portrait: {
rotatedSensor = _feed.videoRotationAngle == 270;
break;
}
case ScreenOrientation.LandscapeLeft: {
rotatedSensor = _feed.videoRotationAngle == 180;
break;
}
case ScreenOrientation.LandscapeRight: {
rotatedSensor = _feed.videoRotationAngle == 0;
break;
}
case ScreenOrientation.PortraitUpsideDown: {
rotatedSensor = _feed.videoRotationAngle == 90;
break;
}
}
if (rotatedSensor)
{
// Because the sensor is inverted, we need to flip the image when rendering it to the screen.
Renderer.FlipImage = true;
}
}
}
