public CVPixelBufferAttributes (CVPixelFormatType pixelFormatType, Size size)
: this ()
{
PixelFormatType = pixelFormatType;
Width = size.Width;
Height = size.Height;
}
public CVPixelBuffer(int width, int height, CVPixelFormatType pixelFormatType, NSDictionary pixelBufferAttributes)
{
IntPtr pixelBufferOut = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (IntPtr)));
CVReturn ret = CVPixelBufferCreate (IntPtr.Zero, (IntPtr) width, (IntPtr) height, pixelFormatType, pixelBufferAttributes.Handle, pixelBufferOut);
if (ret != CVReturn.Success) {
Marshal.FreeHGlobal (pixelBufferOut);
throw new Exception ("CVPixelBufferCreate returned: " + ret);
}
this.handle = Marshal.ReadIntPtr (pixelBufferOut);
Marshal.FreeHGlobal (pixelBufferOut);
}
/* CV_RETURNS_RETAINED_PARAMETER CVPixelBufferRef CV_NULLABLE * CV_NONNULL */ out IntPtr pixelBufferOut);// __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
public static CVPixelBuffer Create (nint width, nint height, CVPixelFormatType pixelFormatType, byte[] data, nint bytesPerRow, CVPixelBufferAttributes pixelBufferAttributes)
{
CVReturn status;
return Create (width, height, pixelFormatType, data, bytesPerRow, pixelBufferAttributes, out status);
}
public CVPixelBuffer(nint width, nint height, CVPixelFormatType pixelFormatType, CVPixelBufferAttributes attributes)
: this(width, height, pixelFormatType, attributes == null ? null : attributes.Dictionary)
{
}
public CVPixelBuffer(System.Drawing.Size size, CVPixelFormatType pixelFormatType, CVPixelBufferAttributes attributes)
: this(size.Width, size.Height, pixelFormatType, attributes == null ? null : attributes.Dictionary)
{
}
public AVVideoSettings(CVPixelFormatType formatType)
{
PixelFormat = formatType;
}
public CVPixelBuffer(int width, int height, CVPixelFormatType pixelFormatType)
: this(width, height, pixelFormatType, (NSDictionary)null)
{
}
/* CV_RETURNS_RETAINED_PARAMETER CVPixelBufferRef CV_NULLABLE * CV_NONNULL */ out IntPtr pixelBufferOut); // __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
public static CVPixelBuffer Create(nint width, nint height, CVPixelFormatType pixelFormatType, byte[][] planes, nint[] planeWidths, nint[] planeHeights, nint[] planeBytesPerRow, CVPixelBufferAttributes pixelBufferAttributes)
{
CVReturn status;
return(Create(width, height, pixelFormatType, planes, planeWidths, planeHeights, planeBytesPerRow, pixelBufferAttributes, out status));
}
extern static CVReturn CVPixelBufferCreate(
/* CFAllocatorRef __nullable */ IntPtr allocator, /* size_t */ nint width, /* size_t */ nint height,
/* OSType */ CVPixelFormatType pixelFormatType,
/* CFDictionaryRef __nullable */ IntPtr pixelBufferAttributes,
/* CVPixelBufferRef __nullable * __nonnull */ out IntPtr pixelBufferOut);
public CVPixelBuffer (nint width, nint height, CVPixelFormatType pixelFormat)
: this (width, height, pixelFormat, (NSDictionary) null)
{
}
public CVPixelBuffer (nint width, nint height, CVPixelFormatType pixelFormatType, CVPixelBufferAttributes attributes)
: this (width, height, pixelFormatType, attributes == null ? null : attributes.Dictionary)
{
}
public static CVPixelBuffer Create (nint width, nint height, CVPixelFormatType pixelFormatType, byte[][] planes, nint[] planeWidths, nint[] planeHeights, nint[] planeBytesPerRow, CVPixelBufferAttributes pixelBufferAttributes, out CVReturn status)
{
IntPtr handle;
IntPtr[] addresses;
PlaneData data;
GCHandle data_handle;
if (planes == null)
throw new ArgumentNullException (nameof (planes));
if (planeWidths == null)
throw new ArgumentNullException (nameof (planeWidths));
if (planeHeights == null)
throw new ArgumentNullException (nameof (planeHeights));
if (planeBytesPerRow == null)
throw new ArgumentNullException (nameof (planeBytesPerRow));
var planeCount = planes.Length;
if (planeWidths.Length != planeCount)
throw new ArgumentOutOfRangeException (nameof (planeWidths), "The length of planeWidths does not match the number of planes");
if (planeHeights.Length != planeCount)
throw new ArgumentOutOfRangeException (nameof (planeWidths), "The length of planeHeights does not match the number of planes");
if (planeBytesPerRow.Length != planeCount)
throw new ArgumentOutOfRangeException (nameof (planeWidths), "The length of planeBytesPerRow does not match the number of planes");
addresses = new IntPtr [planeCount];
data = new PlaneData ();
data.dataHandles = new GCHandle [planeCount];
for (int i = 0; i < planeCount; i++) {
data.dataHandles[i] = GCHandle.Alloc (planes [i], GCHandleType.Pinned);
addresses[i] = data.dataHandles[i].AddrOfPinnedObject ();
}
data_handle = GCHandle.Alloc (data);
status = CVPixelBufferCreateWithPlanarBytes (IntPtr.Zero,
width, height, pixelFormatType, IntPtr.Zero, 0,
planeCount, addresses, planeWidths, planeHeights, planeBytesPerRow,
releasePlanarBytesCallback, GCHandle.ToIntPtr (data_handle),
DictionaryContainerHelper.GetHandle (pixelBufferAttributes), out handle);
if (status != CVReturn.Success) {
data_handle.Free ();
return null;
}
return new CVPixelBuffer (handle, true);
}
extern static CVReturn CVPixelBufferCreate ( /* CFAllocatorRef __nullable */ IntPtr allocator, /* size_t */ nint width, /* size_t */ nint height, /* OSType */ CVPixelFormatType pixelFormatType, /* CFDictionaryRef __nullable */ IntPtr pixelBufferAttributes, /* CVPixelBufferRef __nullable * __nonnull */ out IntPtr pixelBufferOut);
/* CV_RETURNS_RETAINED_PARAMETER CVPixelBufferRef CV_NULLABLE * CV_NONNULL */ out IntPtr pixelBufferOut); // __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
public static CVPixelBuffer Create (nint width, nint height, CVPixelFormatType pixelFormatType, byte[][] planes, nint[] planeWidths, nint[] planeHeights, nint[] planeBytesPerRow, CVPixelBufferAttributes pixelBufferAttributes)
{
CVReturn status;
return Create (width, height, pixelFormatType, planes, planeWidths, planeHeights, planeBytesPerRow, pixelBufferAttributes, out status);
}
static extern CVReturn CVPixelBufferCreateWithPlanarBytes ( /* CFAllocatorRef CV_NULLABLE */ IntPtr allocator, /* size_t */ nint width, /* size_t */ nint height, /* OSType */ CVPixelFormatType pixelFormatType, /* void * CV_NULLABLE */ IntPtr dataPtr, /* pass a pointer to a plane descriptor block, or NULL /* /* size_t */ nint dataSize, /* pass size if planes are contiguous, NULL if not */ /* size_t */ nint numberOfPlanes, /* void *[] CV_NULLABLE */ IntPtr[] planeBaseAddress, /* size_t[] */ nint [] planeWidth, /* size_t[] */ nint [] planeHeight, /* size_t[] */ nint [] planeBytesPerRow, CVPixelBufferReleasePlanarBytesCallback /* CV_NULLABLE */ releaseCallback, /* void * CV_NULLABLE */ IntPtr releaseRefCon, /* CFDictionaryRef CV_NULLABLE */ IntPtr pixelBufferAttributes, /* CV_RETURNS_RETAINED_PARAMETER CVPixelBufferRef CV_NULLABLE * CV_NONNULL */ out IntPtr pixelBufferOut); // __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
public static CVPixelBuffer Create (nint width, nint height, CVPixelFormatType pixelFormatType, byte[] data, nint bytesPerRow, CVPixelBufferAttributes pixelBufferAttributes, out CVReturn status)
{
IntPtr handle;
GCHandle gchandle;
if (data == null)
throw new ArgumentNullException (nameof (data));
if (data.Length < height * bytesPerRow)
throw new ArgumentOutOfRangeException (nameof (data), "The length of data is smaller than height * bytesPerRow");
gchandle = GCHandle.Alloc (data, GCHandleType.Pinned);
status = CVPixelBufferCreateWithBytes (IntPtr.Zero, width, height, pixelFormatType, gchandle.AddrOfPinnedObject (), bytesPerRow, releaseBytesCallback, GCHandle.ToIntPtr (gchandle), DictionaryContainerHelper.GetHandle (pixelBufferAttributes), out handle);
if (status != CVReturn.Success) {
gchandle.Free ();
return null;
}
return new CVPixelBuffer (handle, true);
}
static extern CVReturn CVPixelBufferCreate(IntPtr allocator, IntPtr width, IntPtr height, CVPixelFormatType pixelFormatType, IntPtr pixelBufferAttributes, IntPtr pixelBufferOut);
public static bool IsCompressedPixelFormatAvailable(this CVPixelFormatType type) => CVIsCompressedPixelFormatAvailable((uint)type);
CVPixelBuffer (nint width, nint height, CVPixelFormatType pixelFormatType, NSDictionary pixelBufferAttributes)
{
if (width <= 0)
throw new ArgumentOutOfRangeException ("width");
if (height <= 0)
throw new ArgumentOutOfRangeException ("height");
CVReturn ret = CVPixelBufferCreate (IntPtr.Zero, width, height, pixelFormatType,
pixelBufferAttributes == null ? IntPtr.Zero : pixelBufferAttributes.Handle, out handle);
if (ret != CVReturn.Success)
throw new ArgumentException (ret.ToString ());
}
public CVPixelBufferAttributes(CVPixelFormatType pixelFormatType, nint width, nint height)
: this()
{
PixelFormatType = pixelFormatType;
Width = width;
Height = height;
}
public static CVPixelBuffer Create(nint width, nint height, CVPixelFormatType pixelFormatType, byte[][] planes, nint[] planeWidths, nint[] planeHeights, nint[] planeBytesPerRow, CVPixelBufferAttributes pixelBufferAttributes, out CVReturn status)
{
IntPtr handle;
IntPtr[] addresses;
PlaneData data;
GCHandle data_handle;
if (planes == null)
{
throw new ArgumentNullException(nameof(planes));
}
if (planeWidths == null)
{
throw new ArgumentNullException(nameof(planeWidths));
}
if (planeHeights == null)
{
throw new ArgumentNullException(nameof(planeHeights));
}
if (planeBytesPerRow == null)
{
throw new ArgumentNullException(nameof(planeBytesPerRow));
}
var planeCount = planes.Length;
if (planeWidths.Length != planeCount)
{
throw new ArgumentOutOfRangeException(nameof(planeWidths), "The length of planeWidths does not match the number of planes");
}
if (planeHeights.Length != planeCount)
{
throw new ArgumentOutOfRangeException(nameof(planeWidths), "The length of planeHeights does not match the number of planes");
}
if (planeBytesPerRow.Length != planeCount)
{
throw new ArgumentOutOfRangeException(nameof(planeWidths), "The length of planeBytesPerRow does not match the number of planes");
}
addresses = new IntPtr [planeCount];
data = new PlaneData();
data.dataHandles = new GCHandle [planeCount];
for (int i = 0; i < planeCount; i++)
{
data.dataHandles[i] = GCHandle.Alloc(planes [i], GCHandleType.Pinned); // This can't use unsafe code because we need to get the pointer for an unbound number of objects.
addresses[i] = data.dataHandles[i].AddrOfPinnedObject();
}
data_handle = GCHandle.Alloc(data);
IntPtr data_handle_ptr = GCHandle.ToIntPtr(data_handle);
status = CVPixelBufferCreateWithPlanarBytes(IntPtr.Zero,
width, height, pixelFormatType, IntPtr.Zero, 0,
planeCount, addresses, planeWidths, planeHeights, planeBytesPerRow,
releasePlanarBytesCallback, data_handle_ptr,
DictionaryContainerHelper.GetHandle(pixelBufferAttributes), out handle);
if (status != CVReturn.Success)
{
ReleasePlanarBytesCallback(data_handle_ptr, IntPtr.Zero, 0, 0, IntPtr.Zero);
return(null);
}
return(new CVPixelBuffer(handle, true));
}
public CVPixelBufferAttributes(CVPixelFormatType pixelFormatType, System.Drawing.Size size)
: this(pixelFormatType, size.Width, size.Height)
{
}
public CVPixelBuffer(Size size, CVPixelFormatType pixelFormat)
: this(size.Width, size.Height, pixelFormat, null)
{
}
public static NSDictionary Create(CVPixelFormatType pixelFormat)
{
return Runtime.GetNSObject<NSDictionary> (CVPixelFormatDescriptionCreateWithPixelFormatType (IntPtr.Zero, (int) pixelFormat));
}
extern static CVReturn CVPixelBufferCreate(IntPtr allocator, IntPtr width, IntPtr height, CVPixelFormatType pixelFormatType, IntPtr pixelBufferAttributes, IntPtr pixelBufferOut);
public static void Register(NSDictionary description, CVPixelFormatType pixelFormat)
{
if (description == null)
throw new ArgumentNullException ("description");
CVPixelFormatDescriptionRegisterDescriptionWithPixelFormatType (description.Handle, (int) pixelFormat);
}
public static NSDictionary Create(CVPixelFormatType pixelFormat)
{
return(Runtime.GetNSObject <NSDictionary> (CVPixelFormatDescriptionCreateWithPixelFormatType(IntPtr.Zero, (int)pixelFormat)));
}
public CVPixelBuffer (Size size, CVPixelFormatType pixelFormat)
: this (size.Width, size.Height, pixelFormat, null)
{
}
public CVPixelBuffer(System.Drawing.Size size, CVPixelFormatType pixelFormat)
: this(size.Width, size.Height, pixelFormat, (NSDictionary)null)
{
}
public CVPixelBuffer (int width, int height, CVPixelFormatType pixelFormatType, NSDictionary pixelBufferAttributes)
{
if (width <= 0)
throw new ArgumentOutOfRangeException ("width");
if (height <= 0)
throw new ArgumentOutOfRangeException ("height");
IntPtr pixelBufferOut = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (IntPtr)));
CVReturn ret = CVPixelBufferCreate (IntPtr.Zero, (IntPtr) width, (IntPtr) height, pixelFormatType,
pixelBufferAttributes == null ? IntPtr.Zero : pixelBufferAttributes.Handle, pixelBufferOut);
if (ret != CVReturn.Success) {
Marshal.FreeHGlobal (pixelBufferOut);
throw new ArgumentException (ret.ToString ());
}
this.handle = Marshal.ReadIntPtr (pixelBufferOut);
Marshal.FreeHGlobal (pixelBufferOut);
}
/* CV_RETURNS_RETAINED_PARAMETER CVPixelBufferRef CV_NULLABLE * CV_NONNULL */ out IntPtr pixelBufferOut); // __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
public static CVPixelBuffer Create(nint width, nint height, CVPixelFormatType pixelFormatType, byte[] data, nint bytesPerRow, CVPixelBufferAttributes pixelBufferAttributes)
{
CVReturn status;
return(Create(width, height, pixelFormatType, data, bytesPerRow, pixelBufferAttributes, out status));
}
static extern CVReturn CVPixelBufferCreateWithBytes ( /* CFAllocatorRef CV_NULLABLE */ IntPtr allocator, /* size_t */ nint width, /* size_t */ nint height, /* OSType */ CVPixelFormatType pixelFormatType, /* void * CV_NONNULL */ IntPtr baseAddress, /* size_t */ nint bytesPerRow, CVPixelBufferReleaseBytesCallback /* CV_NULLABLE */ releaseCallback, /* void * CV_NULLABLE */ IntPtr releaseRefCon, /* CFDictionaryRef CV_NULLABLE */ IntPtr pixelBufferAttributes, /* CV_RETURNS_RETAINED_PARAMETER CVPixelBufferRef CV_NULLABLE * CV_NONNULL */ out IntPtr pixelBufferOut);// __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
public CVPixelBuffer (Size size, CVPixelFormatType pixelFormatType, CVPixelBufferAttributes attributes)
: this (size.Width, size.Height, pixelFormatType, attributes == null ? null : attributes.Dictionary)
{
}
public override void DidOutputSampleBuffer(AVCaptureOutput captureOutput, CMSampleBuffer sampleBuffer, AVCaptureConnection connection)
{
Console.WriteLine("Got Sample Fromn Buffer");
lock (FaceDetectionViewController.lockerobj) {
if (!FaceDetectionViewController.processingFaceDetection || isProcessingBuffer)
{
sampleBuffer.Dispose();
return;
}
isProcessingBuffer = true;
}
try {
CIImage ciImage = null;
CGRect cleanAperture = default(CGRect);
using (sampleBuffer) {
//CVPixelBuffer renderedOutputPixelBuffer = null;
byte[] managedArray;
int width;
int height;
int bytesPerRow;
using (var pixelBuffer = sampleBuffer.GetImageBuffer() as CVPixelBuffer) {
pixelBuffer.Lock(CVPixelBufferLock.None);
CVPixelFormatType ft = pixelBuffer.PixelFormatType;
IntPtr baseAddress = pixelBuffer.BaseAddress;
bytesPerRow = (int)pixelBuffer.BytesPerRow;
width = (int)pixelBuffer.Width;
height = (int)pixelBuffer.Height;
//managedArray = new byte[width * height];
managedArray = new byte[pixelBuffer.Height * pixelBuffer.BytesPerRow];
Marshal.Copy(baseAddress, managedArray, 0, managedArray.Length);
pixelBuffer.Unlock(CVPixelBufferLock.None);
}
sampleBuffer.Dispose();
//int bytesPerPixel = 4;
//int bytesPerRow = bytesPerPixel * width;
int bitsPerComponent = 8;
//CGColorSpace colorSpace = CGColorSpace.CreateDeviceRGB();
//CGContext context = new CGBitmapContext(managedArray, width, height,
//bitsPerComponent, bytesPerRow, colorSpace,
//CGBitmapFlags.PremultipliedLast | CGBitmapFlags.ByteOrder32Big);
var flags = CGBitmapFlags.PremultipliedFirst | CGBitmapFlags.ByteOrder32Little;
// Create a CGImage on the RGB colorspace from the configured parameter above
using (var cs = CGColorSpace.CreateDeviceRGB()) {
using (var context = new CGBitmapContext(managedArray, width, height, bitsPerComponent, bytesPerRow, cs, (CGImageAlphaInfo)flags)) {
ciImage = context.ToImage();
//using (CGImage cgImage = context.ToImage()) {
// //pixelBuffer.Unlock(CVPixelBufferLock.None);
// //return UIImage.FromImage(cgImage);
//}
context.Dispose();
}
}
//var a = new CMSampleBuffer.;
//using () {
//}
//UIImage image = GetImageFromSampleBuffer(sampleBuffer);
//if (!FaceMainController.isFaceRegistered || isProcessing)
//{
// // Console.WriteLine("OutputDelegate - Exit (isProcessing: " + DateTime.Now);
// sampleBuffer.Dispose();
// Console.WriteLine("processing..");
// return;
//}
//Console.WriteLine("IsProcessing: ");
//isProcessing = true;
connection.VideoOrientation = AVCaptureVideoOrientation.Portrait;
connection.VideoScaleAndCropFactor = 1.0f;
//var bufferCopy = sampleBuffer.c
//UIImage image = GetImageFromSampleBuffer(sampleBuffer);
//ciImage = CIImage.FromCGImage(image.CGImage);
//cleanAperture = sampleBuffer.GetVideoFormatDescription().GetCleanAperture(false);
}
/*For Face Detection using iOS APIs*/
//DispatchQueue.MainQueue.DispatchAsync(() =>
using (ciImage) {
if (ciImage != null)
{
drawFacesCallback(UIImage.FromImage(ciImage), cleanAperture);
}
}
isProcessingBuffer = false;
//Console.WriteLine(ciImage);
//Task.Run(async () => {
// try {
// //if (ViewController.IsFaceDetected)
// //{
// Console.WriteLine("face detected: ");
// imageAnalyzer = new ImageAnalyzer(() => Task.FromResult<Stream>(image.ResizeImageWithAspectRatio(300, 400).AsPNG().AsStream()));
// await ProcessCameraCapture(imageAnalyzer);
// //}
// }
// finally {
// imageAnalyzer = null;
// isProcessing = false;
// Console.WriteLine("OUT ");
// }
//});
}
catch (Exception ex) {
Console.Write(ex);
}
finally {
sampleBuffer.Dispose();
}
}
public AVVideoSettings(CVPixelFormatType formatType)
{
PixelFormat = formatType;
}
public CVPixelBufferAttributes(CVPixelFormatType pixelFormatType, System.Drawing.Size size)
: this(pixelFormatType, size.Width, size.Height)
{
}
public CVPixelBuffer(nint width, nint height, CVPixelFormatType pixelFormat)
: this(width, height, pixelFormat, (NSDictionary?)null)
{
}
public CVPixelBuffer (System.Drawing.Size size, CVPixelFormatType pixelFormat)
: this (size.Width, size.Height, pixelFormat, (NSDictionary) null)
{
}
