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-rw-r--r--platform/osx/camera_osx.mm362
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diff --git a/platform/osx/camera_osx.mm b/platform/osx/camera_osx.mm
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--- a/platform/osx/camera_osx.mm
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-/*************************************************************************/
-/* camera_osx.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 CameraIOS, we should find a way to combine those to minimise code duplication!!!!
-// If you fix something here, make sure you fix it there as wel!
-
-#include "camera_osx.h"
-#include "servers/camera/camera_feed.h"
-#import <AVFoundation/AVFoundation.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;
-
- [self beginConfiguration];
-
- 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.
- [output setSampleBufferDelegate:self queue:dispatch_get_main_queue()];
-
- // this takes ownership
- [self addOutput:output];
- }
-
- [self commitConfiguration];
-
- // kick off our session..
- [self startRunning];
- };
- return self;
-}
-
-- (void)cleanup {
- // stop running
- [self stopRunning];
-
- // cleanup
- [self beginConfiguration];
-
- // remove input
- if (input) {
- [self removeInput:input];
- // don't release this
- input = NULL;
- }
-
- // free up our output
- if (output) {
- [self removeOutput:output];
- [output setSampleBufferDelegate:nil queue:NULL];
- [output release];
- output = NULL;
- }
-
- [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 {
- Ref<Image> img[2];
-
- {
- // do Y
- size_t new_width = CVPixelBufferGetWidthOfPlane(pixelBuffer, 0);
- size_t new_height = CVPixelBufferGetHeightOfPlane(pixelBuffer, 0);
-
- if ((width[0] != new_width) || (height[0] != new_height)) {
- 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
- size_t new_width = CVPixelBufferGetWidthOfPlane(pixelBuffer, 1);
- size_t new_height = CVPixelBufferGetHeightOfPlane(pixelBuffer, 1);
-
- if ((width[1] != new_width) || (height[1] != new_height)) {
- 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]);
- }
-
- // and unlock
- CVPixelBufferUnlockBaseAddress(pixelBuffer, kCVPixelBufferLock_ReadOnly);
-}
-
-@end
-
-//////////////////////////////////////////////////////////////////////////
-// CameraFeedOSX - Subclass for camera feeds in OSX
-
-class CameraFeedOSX : public CameraFeed {
-private:
- AVCaptureDevice *device;
- MyCaptureSession *capture_session;
-
-public:
- AVCaptureDevice *get_device() const;
-
- CameraFeedOSX();
- ~CameraFeedOSX();
-
- void set_device(AVCaptureDevice *p_device);
-
- bool activate_feed();
- void deactivate_feed();
-};
-
-AVCaptureDevice *CameraFeedOSX::get_device() const {
- return device;
-};
-
-CameraFeedOSX::CameraFeedOSX() {
- device = NULL;
- capture_session = NULL;
-};
-
-void CameraFeedOSX::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;
- };
-};
-
-CameraFeedOSX::~CameraFeedOSX() {
- if (capture_session != NULL) {
- [capture_session release];
- capture_session = NULL;
- };
-
- if (device != NULL) {
- [device release];
- device = NULL;
- };
-};
-
-bool CameraFeedOSX::activate_feed() {
- if (capture_session) {
- // already recording!
- } else {
- // start camera capture
- capture_session = [[MyCaptureSession alloc] initForFeed:this andDevice:device];
- };
-
- return true;
-};
-
-void CameraFeedOSX::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 {
- CameraOSX *camera_server;
-}
-
-@end
-
-@implementation MyDeviceNotifications
-
-- (void)devices_changed:(NSNotification *)notification {
- camera_server->update_feeds();
-}
-
-- (id)initForServer:(CameraOSX *)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;
-
-//////////////////////////////////////////////////////////////////////////
-// CameraOSX - Subclass for our camera server on OSX
-
-void CameraOSX::update_feeds() {
- NSArray *devices = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
-
- // remove devices that are gone..
- for (int i = feeds.size() - 1; i >= 0; i--) {
- Ref<CameraFeedOSX> feed = (Ref<CameraFeedOSX>)feeds[i];
-
- if (![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 devices) {
- bool found = false;
- for (int i = 0; i < feeds.size() && !found; i++) {
- Ref<CameraFeedOSX> feed = (Ref<CameraFeedOSX>)feeds[i];
- if (feed->get_device() == device) {
- found = true;
- };
- };
-
- if (!found) {
- Ref<CameraFeedOSX> newfeed;
- newfeed.instance();
- newfeed->set_device(device);
-
- // assume display camera so inverse
- Transform2D transform = Transform2D(-1.0, 0.0, 0.0, -1.0, 1.0, 1.0);
- newfeed->set_transform(transform);
-
- add_feed(newfeed);
- };
- };
-};
-
-CameraOSX::CameraOSX() {
- // Find available cameras we have at this time
- update_feeds();
-
- // should only have one of these....
- device_notifications = [[MyDeviceNotifications alloc] initForServer:this];
-};
-
-CameraOSX::~CameraOSX() {
- [device_notifications release];
-};
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