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Removed the camera engine module.

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Relintai 2022-03-16 01:59:46 +01:00
parent aa10c2f37b
commit baba212b6d
8 changed files with 0 additions and 676 deletions
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14
modules/camera/SCsub
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#!/usr/bin/env python
Import("env")
Import("env_modules")
env_camera = env_modules.Clone()
if env["platform"] == "windows":
env_camera.add_source_files(env.modules_sources, "register_types.cpp")
env_camera.add_source_files(env.modules_sources, "camera_win.cpp")
elif env["platform"] == "osx":
env_camera.add_source_files(env.modules_sources, "register_types.cpp")
env_camera.add_source_files(env.modules_sources, "camera_osx.mm")

47
modules/camera/camera_osx.h
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/*************************************************************************/
/* camera_osx.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#ifndef CAMERAOSX_H
#define CAMERAOSX_H
///@TODO this is a near duplicate of CameraIOS, we should find a way to combine those to minimize code duplication!!!!
// If you fix something here, make sure you fix it there as well!
#include "servers/camera_server.h"
class CameraOSX : public CameraServer {
public:
CameraOSX();
~CameraOSX();
void update_feeds();
};
#endif /* CAMERAOSX_H */

383
modules/camera/camera_osx.mm
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/*************************************************************************/
/* camera_osx.mm */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 minimize code duplication!!!!
// If you fix something here, make sure you fix it there as well!
#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 = String::utf8(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, check permission.
if (@available(macOS 10.14, *)) {
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
if (status == AVAuthorizationStatusAuthorized) {
capture_session = [[MyCaptureSession alloc] initForFeed:this andDevice:device];
} else if (status == AVAuthorizationStatusNotDetermined) {
// Request permission.
[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo
completionHandler:^(BOOL granted) {
if (granted) {
capture_session = [[MyCaptureSession alloc] initForFeed:this andDevice:device];
}
}];
}
} else {
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() {
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
AVCaptureDeviceDiscoverySession *session = [AVCaptureDeviceDiscoverySession discoverySessionWithDeviceTypes:[NSArray arrayWithObjects:AVCaptureDeviceTypeExternalUnknown, AVCaptureDeviceTypeBuiltInWideAngleCamera, nil] mediaType:AVMediaTypeVideo position:AVCaptureDevicePositionUnspecified];
NSArray *devices = session.devices;
#else
NSArray *devices = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
#endif
// 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];
};

98
modules/camera/camera_win.cpp
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/*************************************************************************/
/* camera_win.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#include "camera_win.h"
///@TODO sorry guys, I got about 80% through implementing this using DirectShow only
// to find out Microsoft deprecated half the API and its replacement is as confusing
// as they could make it. Joey suggested looking into libuvc which offers a more direct
// route to webcams over USB and this is very promising but it wouldn't compile on
// windows for me...I've gutted the classes I implemented DirectShow in just to have
// a skeleton for someone to work on, mail me for more details or if you want a copy....
//////////////////////////////////////////////////////////////////////////
// CameraFeedWindows - Subclass for our camera feed on windows
/// @TODO need to implement this
class CameraFeedWindows : public CameraFeed {
private:
protected:
public:
CameraFeedWindows();
virtual ~CameraFeedWindows();
bool activate_feed();
void deactivate_feed();
};
CameraFeedWindows::CameraFeedWindows(){
///@TODO implement this, should store information about our available camera
};
CameraFeedWindows::~CameraFeedWindows() {
// make sure we stop recording if we are!
if (is_active()) {
deactivate_feed();
};
///@TODO free up anything used by this
};
bool CameraFeedWindows::activate_feed() {
///@TODO this should activate our camera and start the process of capturing frames
return true;
};
///@TODO we should probably have a callback method here that is being called by the
// camera API which provides frames and call back into the CameraServer to update our texture
void CameraFeedWindows::deactivate_feed(){
///@TODO this should deactivate our camera and stop the process of capturing frames
};
//////////////////////////////////////////////////////////////////////////
// CameraWindows - Subclass for our camera server on windows
void CameraWindows::add_active_cameras(){
///@TODO scan through any active cameras and create CameraFeedWindows objects for them
};
CameraWindows::CameraWindows() {
// Find cameras active right now
add_active_cameras();
// need to add something that will react to devices being connected/removed...
};
CameraWindows::~CameraWindows(){
};

46
modules/camera/camera_win.h
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/*************************************************************************/
/* camera_win.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#ifndef CAMERAWIN_H
#define CAMERAWIN_H
#include "servers/camera/camera_feed.h"
#include "servers/camera_server.h"
class CameraWindows : public CameraServer {
private:
void add_active_cameras();
public:
CameraWindows();
~CameraWindows();
};
#endif /* CAMERAWIN_H */

6
modules/camera/config.py
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def can_build(env, platform):
return platform == "osx" or platform == "windows"
def configure(env):
pass

50
modules/camera/register_types.cpp
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/*************************************************************************/
/* register_types.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#include "register_types.h"
#if defined(WINDOWS_ENABLED)
#include "camera_win.h"
#endif
#if defined(OSX_ENABLED)
#include "camera_osx.h"
#endif
void register_camera_types() {
#if defined(WINDOWS_ENABLED)
CameraServer::make_default<CameraWindows>();
#endif
#if defined(OSX_ENABLED)
CameraServer::make_default<CameraOSX>();
#endif
}
void unregister_camera_types() {
}

32
modules/camera/register_types.h
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/*************************************************************************/
/* register_types.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
void register_camera_types();
void unregister_camera_types();