Merge pull request #33992 from bruvzg/ios_modular_build

iOS modular build and export implementation.

1 files changed, 0 insertions, 436 deletions

diff --git a/platform/iphone/camera_ios.mm b/platform/iphone/camera_ios.mm
deleted file mode 100644
index 5636ed6262..0000000000
--- a/platform/iphone/camera_ios.mm
+++ /dev/null
@@ -1,436 +0,0 @@
-/*************************************************************************/
-/*  camera_ios.mm                                                        */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
-/*                                                                       */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the       */
-/* "Software"), to deal in the Software without restriction, including   */
-/* without limitation the rights to use, copy, modify, merge, publish,   */
-/* distribute, sublicense, and/or sell copies of the Software, and to    */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions:                                             */
-/*                                                                       */
-/* The above copyright notice and this permission notice shall be        */
-/* included in all copies or substantial portions of the Software.       */
-/*                                                                       */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
-/*************************************************************************/
-
-///@TODO this is a near duplicate of CameraOSX, we should find a way to combine those to minimize code duplication!!!!
-// If you fix something here, make sure you fix it there as wel!
-
-#include "camera_ios.h"
-#include "servers/camera/camera_feed.h"
-
-#import <AVFoundation/AVFoundation.h>
-#import <UIKit/UIKit.h>
-
-//////////////////////////////////////////////////////////////////////////
-// MyCaptureSession - This is a little helper class so we can capture our frames
-
-@interface MyCaptureSession : AVCaptureSession <AVCaptureVideoDataOutputSampleBufferDelegate> {
-	Ref<CameraFeed> feed;
-	size_t width[2];
-	size_t height[2];
-	PoolVector<uint8_t> img_data[2];
-
-	AVCaptureDeviceInput *input;
-	AVCaptureVideoDataOutput *output;
-}
-
-@end
-
-@implementation MyCaptureSession
-
-- (id)initForFeed:(Ref<CameraFeed>)p_feed andDevice:(AVCaptureDevice *)p_device {
-	if (self = [super init]) {
-		NSError *error;
-		feed = p_feed;
-		width[0] = 0;
-		height[0] = 0;
-		width[1] = 0;
-		height[1] = 0;
-
-		// prepare our device
-		[p_device lockForConfiguration:&error];
-
-		[p_device setFocusMode:AVCaptureFocusModeLocked];
-		[p_device setExposureMode:AVCaptureExposureModeLocked];
-		[p_device setWhiteBalanceMode:AVCaptureWhiteBalanceModeLocked];
-
-		[p_device unlockForConfiguration];
-
-		[self beginConfiguration];
-
-		// setup our capture
-		self.sessionPreset = AVCaptureSessionPreset1280x720;
-
-		input = [AVCaptureDeviceInput deviceInputWithDevice:p_device error:&error];
-		if (!input) {
-			print_line("Couldn't get input device for camera");
-		} else {
-			[self addInput:input];
-		}
-
-		output = [AVCaptureVideoDataOutput new];
-		if (!output) {
-			print_line("Couldn't get output device for camera");
-		} else {
-			NSDictionary *settings = @{ (NSString *)kCVPixelBufferPixelFormatTypeKey : @(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange) };
-			output.videoSettings = settings;
-
-			// discard if the data output queue is blocked (as we process the still image)
-			[output setAlwaysDiscardsLateVideoFrames:YES];
-
-			// now set ourselves as the delegate to receive new frames. Note that we're doing this on the main thread at the moment, we may need to change this..
-			[output setSampleBufferDelegate:self queue:dispatch_get_main_queue()];
-
-			[self addOutput:output];
-		}
-
-		[self commitConfiguration];
-
-		// kick off our session..
-		[self startRunning];
-	};
-	return self;
-}
-
-- (void)cleanup {
-	// stop running
-	[self stopRunning];
-
-	// cleanup
-	[self beginConfiguration];
-
-	if (input) {
-		[self removeInput:input];
-		// don't release this
-		input = nil;
-	}
-
-	if (output) {
-		[self removeOutput:output];
-		[output setSampleBufferDelegate:nil queue:NULL];
-		[output release];
-		output = nil;
-	}
-
-	[self commitConfiguration];
-}
-
-- (void)dealloc {
-	// bye bye
-	[super dealloc];
-}
-
-- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection {
-	// This gets called every time our camera has a new image for us to process.
-	// May need to investigate in a way to throttle this if we get more images then we're rendering frames..
-
-	// For now, version 1, we're just doing the bare minimum to make this work...
-
-	CVImageBufferRef pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
-	// int width = CVPixelBufferGetWidth(pixelBuffer);
-	// int height = CVPixelBufferGetHeight(pixelBuffer);
-
-	// It says that we need to lock this on the documentation pages but it's not in the samples
-	// need to lock our base address so we can access our pixel buffers, better safe then sorry?
-	CVPixelBufferLockBaseAddress(pixelBuffer, kCVPixelBufferLock_ReadOnly);
-
-	// get our buffers
-	unsigned char *dataY = (unsigned char *)CVPixelBufferGetBaseAddressOfPlane(pixelBuffer, 0);
-	unsigned char *dataCbCr = (unsigned char *)CVPixelBufferGetBaseAddressOfPlane(pixelBuffer, 1);
-	if (dataY == NULL) {
-		print_line("Couldn't access Y pixel buffer data");
-	} else if (dataCbCr == NULL) {
-		print_line("Couldn't access CbCr pixel buffer data");
-	} else {
-		UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
-		Ref<Image> img[2];
-
-		{
-			// do Y
-			int new_width = CVPixelBufferGetWidthOfPlane(pixelBuffer, 0);
-			int new_height = CVPixelBufferGetHeightOfPlane(pixelBuffer, 0);
-			int _bytes_per_row = CVPixelBufferGetBytesPerRowOfPlane(pixelBuffer, 0);
-
-			if ((width[0] != new_width) || (height[0] != new_height)) {
-				// printf("Camera Y plane %i, %i - %i\n", new_width, new_height, bytes_per_row);
-
-				width[0] = new_width;
-				height[0] = new_height;
-				img_data[0].resize(new_width * new_height);
-			}
-
-			PoolVector<uint8_t>::Write w = img_data[0].write();
-			memcpy(w.ptr(), dataY, new_width * new_height);
-
-			img[0].instance();
-			img[0]->create(new_width, new_height, 0, Image::FORMAT_R8, img_data[0]);
-		}
-
-		{
-			// do CbCr
-			int new_width = CVPixelBufferGetWidthOfPlane(pixelBuffer, 1);
-			int new_height = CVPixelBufferGetHeightOfPlane(pixelBuffer, 1);
-			int bytes_per_row = CVPixelBufferGetBytesPerRowOfPlane(pixelBuffer, 1);
-
-			if ((width[1] != new_width) || (height[1] != new_height)) {
-				// printf("Camera CbCr plane %i, %i - %i\n", new_width, new_height, bytes_per_row);
-
-				width[1] = new_width;
-				height[1] = new_height;
-				img_data[1].resize(2 * new_width * new_height);
-			}
-
-			PoolVector<uint8_t>::Write w = img_data[1].write();
-			memcpy(w.ptr(), dataCbCr, 2 * new_width * new_height);
-
-			///TODO GLES2 doesn't support FORMAT_RG8, need to do some form of conversion
-			img[1].instance();
-			img[1]->create(new_width, new_height, 0, Image::FORMAT_RG8, img_data[1]);
-		}
-
-		// set our texture...
-		feed->set_YCbCr_imgs(img[0], img[1]);
-
-		// update our matrix to match the orientation, note, before changing anything
-		// here, be aware that the project orientation settings must match your xcode
-		// settings or this will go wrong!
-		Transform2D display_transform;
-		switch (orientation) {
-			case UIInterfaceOrientationPortrait: {
-				display_transform = Transform2D(0.0, -1.0, -1.0, 0.0, 1.0, 1.0);
-			} break;
-			case UIInterfaceOrientationLandscapeRight: {
-				display_transform = Transform2D(1.0, 0.0, 0.0, -1.0, 0.0, 1.0);
-			} break;
-			case UIInterfaceOrientationLandscapeLeft: {
-				display_transform = Transform2D(-1.0, 0.0, 0.0, 1.0, 1.0, 0.0);
-			} break;
-			default: {
-				display_transform = Transform2D(0.0, 1.0, 1.0, 0.0, 0.0, 0.0);
-			} break;
-		}
-
-		//TODO: this is correct for the camera on the back, I have a feeling this needs to be inversed for the camera on the front!
-		feed->set_transform(display_transform);
-	}
-
-	// and unlock
-	CVPixelBufferUnlockBaseAddress(pixelBuffer, kCVPixelBufferLock_ReadOnly);
-}
-
-@end
-
-//////////////////////////////////////////////////////////////////////////
-// CameraFeedIOS - Subclass for camera feeds in iOS
-
-class CameraFeedIOS : public CameraFeed {
-private:
-	AVCaptureDevice *device;
-	MyCaptureSession *capture_session;
-
-public:
-	bool get_is_arkit() const;
-	AVCaptureDevice *get_device() const;
-
-	CameraFeedIOS();
-	~CameraFeedIOS();
-
-	void set_device(AVCaptureDevice *p_device);
-
-	bool activate_feed();
-	void deactivate_feed();
-};
-
-AVCaptureDevice *CameraFeedIOS::get_device() const {
-	return device;
-};
-
-CameraFeedIOS::CameraFeedIOS() {
-	capture_session = NULL;
-	device = NULL;
-	transform = Transform2D(1.0, 0.0, 0.0, 1.0, 0.0, 0.0); /* should re-orientate this based on device orientation */
-};
-
-void CameraFeedIOS::set_device(AVCaptureDevice *p_device) {
-	device = p_device;
-	[device retain];
-
-	// get some info
-	NSString *device_name = p_device.localizedName;
-	name = device_name.UTF8String;
-	position = CameraFeed::FEED_UNSPECIFIED;
-	if ([p_device position] == AVCaptureDevicePositionBack) {
-		position = CameraFeed::FEED_BACK;
-	} else if ([p_device position] == AVCaptureDevicePositionFront) {
-		position = CameraFeed::FEED_FRONT;
-	};
-};
-
-CameraFeedIOS::~CameraFeedIOS() {
-	if (capture_session != NULL) {
-		[capture_session release];
-		capture_session = NULL;
-	};
-
-	if (device != NULL) {
-		[device release];
-		device = NULL;
-	};
-};
-
-bool CameraFeedIOS::activate_feed() {
-	if (capture_session) {
-		// already recording!
-	} else {
-		// start camera capture
-		capture_session = [[MyCaptureSession alloc] initForFeed:this andDevice:device];
-	};
-
-	return true;
-};
-
-void CameraFeedIOS::deactivate_feed() {
-	// end camera capture if we have one
-	if (capture_session) {
-		[capture_session cleanup];
-		[capture_session release];
-		capture_session = NULL;
-	};
-};
-
-//////////////////////////////////////////////////////////////////////////
-// MyDeviceNotifications - This is a little helper class gets notifications
-// when devices are connected/disconnected
-
-@interface MyDeviceNotifications : NSObject {
-	CameraIOS *camera_server;
-}
-
-@end
-
-@implementation MyDeviceNotifications
-
-- (void)devices_changed:(NSNotification *)notification {
-	camera_server->update_feeds();
-}
-
-- (id)initForServer:(CameraIOS *)p_server {
-	if (self = [super init]) {
-		camera_server = p_server;
-
-		[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(devices_changed:) name:AVCaptureDeviceWasConnectedNotification object:nil];
-		[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(devices_changed:) name:AVCaptureDeviceWasDisconnectedNotification object:nil];
-	};
-	return self;
-}
-
-- (void)dealloc {
-	// remove notifications
-	[[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureDeviceWasConnectedNotification object:nil];
-	[[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureDeviceWasDisconnectedNotification object:nil];
-
-	[super dealloc];
-}
-
-@end
-
-MyDeviceNotifications *device_notifications = nil;
-
-//////////////////////////////////////////////////////////////////////////
-// CameraIOS - Subclass for our camera server on iPhone
-
-void CameraIOS::update_feeds() {
-	// this way of doing things is deprecated but still works,
-	// rewrite to using AVCaptureDeviceDiscoverySession
-
-	AVCaptureDeviceDiscoverySession *session = [AVCaptureDeviceDiscoverySession discoverySessionWithDeviceTypes:[NSArray arrayWithObjects:AVCaptureDeviceTypeBuiltInTelephotoCamera, AVCaptureDeviceTypeBuiltInDualCamera, AVCaptureDeviceTypeBuiltInTrueDepthCamera, AVCaptureDeviceTypeBuiltInWideAngleCamera] mediaType:AVMediaTypeVideo position:AVCaptureDevicePositionUnspecified];
-
-	// remove devices that are gone..
-	for (int i = feeds.size() - 1; i >= 0; i--) {
-		Ref<CameraFeedIOS> feed(feeds[i]);
-
-		if (feed.is_null()) {
-			// feed not managed by us
-		} else if (![session.devices containsObject:feed->get_device()]) {
-			// remove it from our array, this will also destroy it ;)
-			remove_feed(feed);
-		};
-	};
-
-	// add new devices..
-	for (AVCaptureDevice *device in session.devices) {
-		bool found = false;
-
-		for (int i = 0; i < feeds.size() && !found; i++) {
-			Ref<CameraFeedIOS> feed(feeds[i]);
-
-			if (feed.is_null()) {
-				// feed not managed by us
-			} else if (feed->get_device() == device) {
-				found = true;
-			};
-		};
-
-		if (!found) {
-			Ref<CameraFeedIOS> newfeed;
-			newfeed.instance();
-			newfeed->set_device(device);
-			add_feed(newfeed);
-		};
-	};
-};
-
-CameraIOS::CameraIOS() {
-	// check if we have our usage description
-	NSString *usage_desc = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"NSCameraUsageDescription"];
-	if (usage_desc == NULL) {
-		// don't initialise if we don't get anything
-		print_line("No NSCameraUsageDescription key in pList, no access to cameras.");
-		return;
-	} else if (usage_desc.length == 0) {
-		// don't initialise if we don't get anything
-		print_line("Empty NSCameraUsageDescription key in pList, no access to cameras.");
-		return;
-	}
-
-	// now we'll request access.
-	// If this is the first time the user will be prompted with the string (iOS will read it).
-	// Once a decision is made it is returned. If the user wants to change it later on they
-	// need to go into setting.
-	print_line("Requesting Camera permissions");
-
-	[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo
-							 completionHandler:^(BOOL granted) {
-								 if (granted) {
-									 print_line("Access to cameras granted!");
-
-									 // Find available cameras we have at this time
-									 update_feeds();
-
-									 // should only have one of these....
-									 device_notifications = [[MyDeviceNotifications alloc] initForServer:this];
-								 } else {
-									 print_line("No access to cameras!");
-								 }
-							 }];
-};
-
-CameraIOS::~CameraIOS() {
-	[device_notifications release];
-};