feat: 切换后端至PaddleOCR-NCNN,切换工程为CMake
1.项目后端整体迁移至PaddleOCR-NCNN算法,已通过基本的兼容性测试 2.工程改为使用CMake组织,后续为了更好地兼容第三方库,不再提供QMake工程 3.重整权利声明文件,重整代码工程,确保最小化侵权风险 Log: 切换后端至PaddleOCR-NCNN,切换工程为CMake Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c
This commit is contained in:
20
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/gen_dict.json
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20
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/gen_dict.json
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@ -0,0 +1,20 @@
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{
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"AdditionalImports" : {
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"Videoio" :
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[ "\"videoio/registry.hpp\"" ]
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},
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"ManualFuncs" : {
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"VideoCapture" : {
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"release" : {"declaration" : [""], "implementation" : [""] }
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},
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"VideoWriter" : {
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"release" : {"declaration" : [""], "implementation" : [""] }
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}
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},
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"func_arg_fix" : {
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"VideoCapture" : {
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"(BOOL)open:(int)index apiPreference:(int)apiPreference" : { "open" : {"name" : "openWithIndex"} },
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"(BOOL)open:(int)index apiPreference:(int)apiPreference params:(IntVector*)params" : { "open" : {"name" : "openWithIndexAndParameters"} }
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}
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}
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}
|
445
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvAbstractCamera2.mm
vendored
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445
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvAbstractCamera2.mm
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//
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// CvAbstractCamera2.mm
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//
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// Created by Giles Payne on 2020/04/01.
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//
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#import "CvCamera2.h"
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#pragma mark - Private Interface
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@interface CvAbstractCamera2 ()
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@property (nonatomic, strong) AVCaptureVideoPreviewLayer* captureVideoPreviewLayer;
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- (void)deviceOrientationDidChange:(NSNotification*)notification;
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- (void)startCaptureSession;
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- (void)setDesiredCameraPosition:(AVCaptureDevicePosition)desiredPosition;
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- (void)updateSize;
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@end
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#pragma mark - Implementation
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@implementation CvAbstractCamera2
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#pragma mark - Constructors
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- (id)init;
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{
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self = [super init];
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if (self) {
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// react to device orientation notifications
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(deviceOrientationDidChange:)
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name:UIDeviceOrientationDidChangeNotification
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object:nil];
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[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
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self.currentDeviceOrientation = [[UIDevice currentDevice] orientation];
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// check if camera available
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self.cameraAvailable = [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera];
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NSLog(@"camera available: %@", (self.cameraAvailable ? @"YES" : @"NO") );
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_running = NO;
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// set camera default configuration
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self.defaultAVCaptureDevicePosition = AVCaptureDevicePositionFront;
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self.defaultAVCaptureVideoOrientation = AVCaptureVideoOrientationLandscapeLeft;
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self.defaultFPS = 15;
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self.defaultAVCaptureSessionPreset = AVCaptureSessionPreset352x288;
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self.parentView = nil;
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self.useAVCaptureVideoPreviewLayer = NO;
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}
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return self;
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}
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- (id)initWithParentView:(UIView*)parent;
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{
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self = [super init];
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if (self) {
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// react to device orientation notifications
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(deviceOrientationDidChange:)
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name:UIDeviceOrientationDidChangeNotification
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object:nil];
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[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
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self.currentDeviceOrientation = [[UIDevice currentDevice] orientation];
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// check if camera available
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self.cameraAvailable = [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera];
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NSLog(@"camera available: %@", (self.cameraAvailable ? @"YES" : @"NO") );
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_running = NO;
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// set camera default configuration
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self.defaultAVCaptureDevicePosition = AVCaptureDevicePositionFront;
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self.defaultAVCaptureVideoOrientation = AVCaptureVideoOrientationLandscapeLeft;
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self.defaultFPS = 15;
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self.defaultAVCaptureSessionPreset = AVCaptureSessionPreset640x480;
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self.parentView = parent;
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self.useAVCaptureVideoPreviewLayer = YES;
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||||
}
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||||
return self;
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||||
}
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||||
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||||
- (void)dealloc;
|
||||
{
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||||
[[NSNotificationCenter defaultCenter] removeObserver:self];
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[[UIDevice currentDevice] endGeneratingDeviceOrientationNotifications];
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||||
}
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#pragma mark - Public interface
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||||
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- (void)start;
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{
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if (![NSThread isMainThread]) {
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NSLog(@"[Camera] Warning: Call start only from main thread");
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[self performSelectorOnMainThread:@selector(start) withObject:nil waitUntilDone:NO];
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return;
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}
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if (self.running == YES) {
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return;
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}
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_running = YES;
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// TODO: update image size data before actually starting (needed for recording)
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[self updateSize];
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|
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if (self.cameraAvailable) {
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[self startCaptureSession];
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}
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}
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||||
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- (void)pause;
|
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{
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_running = NO;
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[self.captureSession stopRunning];
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}
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||||
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||||
- (void)stop;
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||||
{
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||||
_running = NO;
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||||
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// Release any retained subviews of the main view.
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// e.g. self.myOutlet = nil;
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if (self.captureSession) {
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for (AVCaptureInput *input in self.captureSession.inputs) {
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[self.captureSession removeInput:input];
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}
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for (AVCaptureOutput *output in self.captureSession.outputs) {
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[self.captureSession removeOutput:output];
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}
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[self.captureSession stopRunning];
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}
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_captureSessionLoaded = NO;
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}
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|
||||
|
||||
|
||||
// use front/back camera
|
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- (void)switchCameras;
|
||||
{
|
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BOOL was_running = self.running;
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if (was_running) {
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||||
[self stop];
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||||
}
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if (self.defaultAVCaptureDevicePosition == AVCaptureDevicePositionFront) {
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self.defaultAVCaptureDevicePosition = AVCaptureDevicePositionBack;
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||||
} else {
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self.defaultAVCaptureDevicePosition = AVCaptureDevicePositionFront;
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||||
}
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if (was_running) {
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[self start];
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}
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||||
}
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||||
|
||||
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||||
|
||||
#pragma mark - Device Orientation Changes
|
||||
|
||||
|
||||
- (void)deviceOrientationDidChange:(NSNotification*)notification
|
||||
{
|
||||
(void)notification;
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||||
UIDeviceOrientation orientation = [UIDevice currentDevice].orientation;
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||||
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||||
switch (orientation)
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{
|
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case UIDeviceOrientationPortrait:
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case UIDeviceOrientationPortraitUpsideDown:
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case UIDeviceOrientationLandscapeLeft:
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case UIDeviceOrientationLandscapeRight:
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||||
self.currentDeviceOrientation = orientation;
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break;
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|
||||
case UIDeviceOrientationFaceUp:
|
||||
case UIDeviceOrientationFaceDown:
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||||
default:
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||||
break;
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}
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||||
NSLog(@"deviceOrientationDidChange: %d", (int)orientation);
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||||
|
||||
[self updateOrientation];
|
||||
}
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||||
|
||||
|
||||
|
||||
#pragma mark - Private Interface
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||||
|
||||
- (void)createCaptureSession;
|
||||
{
|
||||
// set a av capture session preset
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||||
self.captureSession = [[AVCaptureSession alloc] init];
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if ([self.captureSession canSetSessionPreset:self.defaultAVCaptureSessionPreset]) {
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||||
[self.captureSession setSessionPreset:self.defaultAVCaptureSessionPreset];
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||||
} else if ([self.captureSession canSetSessionPreset:AVCaptureSessionPresetLow]) {
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||||
[self.captureSession setSessionPreset:AVCaptureSessionPresetLow];
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||||
} else {
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||||
NSLog(@"[Camera] Error: could not set session preset");
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||||
}
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}
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||||
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||||
- (void)createCaptureDevice;
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{
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||||
// setup the device
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AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
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[self setDesiredCameraPosition:self.defaultAVCaptureDevicePosition];
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NSLog(@"[Camera] device connected? %@", device.connected ? @"YES" : @"NO");
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NSLog(@"[Camera] device position %@", (device.position == AVCaptureDevicePositionBack) ? @"back" : @"front");
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||||
}
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||||
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||||
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||||
- (void)createVideoPreviewLayer;
|
||||
{
|
||||
self.captureVideoPreviewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:self.captureSession];
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||||
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||||
if ([self.captureVideoPreviewLayer.connection isVideoOrientationSupported])
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{
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[self.captureVideoPreviewLayer.connection setVideoOrientation:self.defaultAVCaptureVideoOrientation];
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||||
}
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||||
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if (self.parentView != nil) {
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self.captureVideoPreviewLayer.frame = self.parentView.bounds;
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self.captureVideoPreviewLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;
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||||
[self.parentView.layer addSublayer:self.captureVideoPreviewLayer];
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||||
}
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||||
NSLog(@"[Camera] created AVCaptureVideoPreviewLayer");
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||||
}
|
||||
|
||||
- (void)setDesiredCameraPosition:(AVCaptureDevicePosition)desiredPosition;
|
||||
{
|
||||
for (AVCaptureDevice *device in [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo]) {
|
||||
if ([device position] == desiredPosition) {
|
||||
[self.captureSession beginConfiguration];
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NSError* error = nil;
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AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:device error:&error];
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||||
if (!input) {
|
||||
NSLog(@"error creating input %@", [error description]);
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||||
}
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|
||||
// support for autofocus
|
||||
if ([device isFocusModeSupported:AVCaptureFocusModeContinuousAutoFocus]) {
|
||||
error = nil;
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if ([device lockForConfiguration:&error]) {
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device.focusMode = AVCaptureFocusModeContinuousAutoFocus;
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[device unlockForConfiguration];
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||||
} else {
|
||||
NSLog(@"unable to lock device for autofocus configuration %@", [error description]);
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||||
}
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}
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[self.captureSession addInput:input];
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||||
for (AVCaptureInput *oldInput in self.captureSession.inputs) {
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||||
[self.captureSession removeInput:oldInput];
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}
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[self.captureSession addInput:input];
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[self.captureSession commitConfiguration];
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||||
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break;
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}
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||||
}
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||||
}
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||||
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||||
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||||
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||||
- (void)startCaptureSession
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{
|
||||
if (!self.cameraAvailable) {
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return;
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}
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if (self.captureSessionLoaded == NO) {
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[self createCaptureSession];
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[self createCaptureDevice];
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[self createCaptureOutput];
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||||
// setup preview layer
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||||
if (self.useAVCaptureVideoPreviewLayer) {
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[self createVideoPreviewLayer];
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||||
} else {
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||||
[self createCustomVideoPreview];
|
||||
}
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||||
|
||||
_captureSessionLoaded = YES;
|
||||
}
|
||||
|
||||
[self.captureSession startRunning];
|
||||
}
|
||||
|
||||
|
||||
- (void)createCaptureOutput;
|
||||
{
|
||||
[NSException raise:NSInternalInconsistencyException
|
||||
format:@"You must override %s in a subclass", __FUNCTION__];
|
||||
}
|
||||
|
||||
- (void)createCustomVideoPreview;
|
||||
{
|
||||
[NSException raise:NSInternalInconsistencyException
|
||||
format:@"You must override %s in a subclass", __FUNCTION__];
|
||||
}
|
||||
|
||||
- (void)updateOrientation;
|
||||
{
|
||||
// nothing to do here
|
||||
}
|
||||
|
||||
|
||||
- (void)updateSize;
|
||||
{
|
||||
if ([self.defaultAVCaptureSessionPreset isEqualToString:AVCaptureSessionPresetPhoto]) {
|
||||
//TODO: find the correct resolution
|
||||
self.imageWidth = 640;
|
||||
self.imageHeight = 480;
|
||||
} else if ([self.defaultAVCaptureSessionPreset isEqualToString:AVCaptureSessionPresetHigh]) {
|
||||
//TODO: find the correct resolution
|
||||
self.imageWidth = 640;
|
||||
self.imageHeight = 480;
|
||||
} else if ([self.defaultAVCaptureSessionPreset isEqualToString:AVCaptureSessionPresetMedium]) {
|
||||
//TODO: find the correct resolution
|
||||
self.imageWidth = 640;
|
||||
self.imageHeight = 480;
|
||||
} else if ([self.defaultAVCaptureSessionPreset isEqualToString:AVCaptureSessionPresetLow]) {
|
||||
//TODO: find the correct resolution
|
||||
self.imageWidth = 640;
|
||||
self.imageHeight = 480;
|
||||
} else if ([self.defaultAVCaptureSessionPreset isEqualToString:AVCaptureSessionPreset352x288]) {
|
||||
self.imageWidth = 352;
|
||||
self.imageHeight = 288;
|
||||
} else if ([self.defaultAVCaptureSessionPreset isEqualToString:AVCaptureSessionPreset640x480]) {
|
||||
self.imageWidth = 640;
|
||||
self.imageHeight = 480;
|
||||
} else if ([self.defaultAVCaptureSessionPreset isEqualToString:AVCaptureSessionPreset1280x720]) {
|
||||
self.imageWidth = 1280;
|
||||
self.imageHeight = 720;
|
||||
} else {
|
||||
self.imageWidth = 640;
|
||||
self.imageHeight = 480;
|
||||
}
|
||||
}
|
||||
|
||||
- (void)lockFocus;
|
||||
{
|
||||
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
|
||||
if ([device isFocusModeSupported:AVCaptureFocusModeLocked]) {
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error]) {
|
||||
device.focusMode = AVCaptureFocusModeLocked;
|
||||
[device unlockForConfiguration];
|
||||
} else {
|
||||
NSLog(@"unable to lock device for locked focus configuration %@", [error description]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void) unlockFocus;
|
||||
{
|
||||
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
|
||||
if ([device isFocusModeSupported:AVCaptureFocusModeContinuousAutoFocus]) {
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error]) {
|
||||
device.focusMode = AVCaptureFocusModeContinuousAutoFocus;
|
||||
[device unlockForConfiguration];
|
||||
} else {
|
||||
NSLog(@"unable to lock device for autofocus configuration %@", [error description]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)lockExposure;
|
||||
{
|
||||
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
|
||||
if ([device isExposureModeSupported:AVCaptureExposureModeLocked]) {
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error]) {
|
||||
device.exposureMode = AVCaptureExposureModeLocked;
|
||||
[device unlockForConfiguration];
|
||||
} else {
|
||||
NSLog(@"unable to lock device for locked exposure configuration %@", [error description]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void) unlockExposure;
|
||||
{
|
||||
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
|
||||
if ([device isExposureModeSupported:AVCaptureExposureModeContinuousAutoExposure]) {
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error]) {
|
||||
device.exposureMode = AVCaptureExposureModeContinuousAutoExposure;
|
||||
[device unlockForConfiguration];
|
||||
} else {
|
||||
NSLog(@"unable to lock device for autoexposure configuration %@", [error description]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)lockBalance;
|
||||
{
|
||||
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
|
||||
if ([device isWhiteBalanceModeSupported:AVCaptureWhiteBalanceModeLocked]) {
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error]) {
|
||||
device.whiteBalanceMode = AVCaptureWhiteBalanceModeLocked;
|
||||
[device unlockForConfiguration];
|
||||
} else {
|
||||
NSLog(@"unable to lock device for locked white balance configuration %@", [error description]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void) unlockBalance;
|
||||
{
|
||||
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
|
||||
if ([device isWhiteBalanceModeSupported:AVCaptureWhiteBalanceModeContinuousAutoWhiteBalance]) {
|
||||
NSError *error = nil;
|
||||
if ([device lockForConfiguration:&error]) {
|
||||
device.whiteBalanceMode = AVCaptureWhiteBalanceModeContinuousAutoWhiteBalance;
|
||||
[device unlockForConfiguration];
|
||||
} else {
|
||||
NSLog(@"unable to lock device for auto white balance configuration %@", [error description]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@end
|
85
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvCamera2.h
vendored
Normal file
85
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvCamera2.h
vendored
Normal file
@ -0,0 +1,85 @@
|
||||
//
|
||||
// CvCamera2.h
|
||||
//
|
||||
// Created by Giles Payne on 2020/03/11.
|
||||
//
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
#import <Accelerate/Accelerate.h>
|
||||
#import <AVFoundation/AVFoundation.h>
|
||||
#import <ImageIO/ImageIO.h>
|
||||
#import "CVObjcUtil.h"
|
||||
|
||||
@class Mat;
|
||||
|
||||
@class CvAbstractCamera2;
|
||||
|
||||
CV_EXPORTS @interface CvAbstractCamera2 : NSObject
|
||||
|
||||
@property UIDeviceOrientation currentDeviceOrientation;
|
||||
@property BOOL cameraAvailable;
|
||||
@property (nonatomic, strong) AVCaptureSession* captureSession;
|
||||
@property (nonatomic, strong) AVCaptureConnection* videoCaptureConnection;
|
||||
|
||||
@property (nonatomic, readonly) BOOL running;
|
||||
@property (nonatomic, readonly) BOOL captureSessionLoaded;
|
||||
|
||||
@property (nonatomic, assign) int defaultFPS;
|
||||
@property (nonatomic, readonly) AVCaptureVideoPreviewLayer *captureVideoPreviewLayer;
|
||||
@property (nonatomic, assign) AVCaptureDevicePosition defaultAVCaptureDevicePosition;
|
||||
@property (nonatomic, assign) AVCaptureVideoOrientation defaultAVCaptureVideoOrientation;
|
||||
@property (nonatomic, assign) BOOL useAVCaptureVideoPreviewLayer;
|
||||
@property (nonatomic, strong) NSString *const defaultAVCaptureSessionPreset;
|
||||
@property (nonatomic, assign) int imageWidth;
|
||||
@property (nonatomic, assign) int imageHeight;
|
||||
@property (nonatomic, strong) UIView* parentView;
|
||||
|
||||
- (void)start;
|
||||
- (void)stop;
|
||||
- (void)switchCameras;
|
||||
- (id)initWithParentView:(UIView*)parent;
|
||||
- (void)createCaptureOutput;
|
||||
- (void)createVideoPreviewLayer;
|
||||
- (void)updateOrientation;
|
||||
- (void)lockFocus;
|
||||
- (void)unlockFocus;
|
||||
- (void)lockExposure;
|
||||
- (void)unlockExposure;
|
||||
- (void)lockBalance;
|
||||
- (void)unlockBalance;
|
||||
@end
|
||||
|
||||
///////////////////////////////// CvVideoCamera ///////////////////////////////////////////
|
||||
@class CvVideoCamera2;
|
||||
|
||||
@protocol CvVideoCameraDelegate2 <NSObject>
|
||||
- (void)processImage:(Mat*)image;
|
||||
@end
|
||||
|
||||
CV_EXPORTS @interface CvVideoCamera2 : CvAbstractCamera2<AVCaptureVideoDataOutputSampleBufferDelegate>
|
||||
@property (nonatomic, weak) id<CvVideoCameraDelegate2> delegate;
|
||||
@property (nonatomic, assign) BOOL grayscaleMode;
|
||||
@property (nonatomic, assign) BOOL recordVideo;
|
||||
@property (nonatomic, assign) BOOL rotateVideo;
|
||||
@property (nonatomic, strong) AVAssetWriterInput* recordAssetWriterInput;
|
||||
@property (nonatomic, strong) AVAssetWriterInputPixelBufferAdaptor* recordPixelBufferAdaptor;
|
||||
@property (nonatomic, strong) AVAssetWriter* recordAssetWriter;
|
||||
- (void)adjustLayoutToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation;
|
||||
- (void)layoutPreviewLayer;
|
||||
- (void)saveVideo;
|
||||
- (NSURL *)videoFileURL;
|
||||
- (NSString *)videoFileString;
|
||||
@end
|
||||
|
||||
///////////////////////////////// CvPhotoCamera ///////////////////////////////////////////
|
||||
@class CvPhotoCamera2;
|
||||
|
||||
@protocol CvPhotoCameraDelegate2 <NSObject>
|
||||
- (void)photoCamera:(CvPhotoCamera2*)photoCamera capturedImage:(UIImage*)image;
|
||||
- (void)photoCameraCancel:(CvPhotoCamera2*)photoCamera;
|
||||
@end
|
||||
|
||||
CV_EXPORTS @interface CvPhotoCamera2 : CvAbstractCamera2<AVCapturePhotoCaptureDelegate>
|
||||
@property (nonatomic, weak) id<CvPhotoCameraDelegate2> delegate;
|
||||
- (void)takePicture;
|
||||
@end
|
138
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvPhotoCamera2.m
vendored
Normal file
138
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvPhotoCamera2.m
vendored
Normal file
@ -0,0 +1,138 @@
|
||||
//
|
||||
// CvPhotoCamera2.mm
|
||||
//
|
||||
// Created by Giles Payne on 2020/04/01.
|
||||
//
|
||||
|
||||
#import "CvCamera2.h"
|
||||
|
||||
#pragma mark - Private Interface
|
||||
|
||||
@interface CvPhotoCamera2 ()
|
||||
{
|
||||
id<CvPhotoCameraDelegate2> _delegate;
|
||||
}
|
||||
|
||||
@property (nonatomic, strong) AVCaptureStillImageOutput* stillImageOutput;
|
||||
|
||||
@end
|
||||
|
||||
|
||||
#pragma mark - Implementation
|
||||
|
||||
@implementation CvPhotoCamera2
|
||||
|
||||
|
||||
#pragma mark Public
|
||||
|
||||
- (void)setDelegate:(id<CvPhotoCameraDelegate2>)newDelegate {
|
||||
_delegate = newDelegate;
|
||||
}
|
||||
|
||||
- (id<CvPhotoCameraDelegate2>)delegate {
|
||||
return _delegate;
|
||||
}
|
||||
|
||||
#pragma mark - Public interface
|
||||
|
||||
- (void)takePicture
|
||||
{
|
||||
if (self.cameraAvailable == NO) {
|
||||
return;
|
||||
}
|
||||
self.cameraAvailable = NO;
|
||||
|
||||
[self.stillImageOutput captureStillImageAsynchronouslyFromConnection:self.videoCaptureConnection
|
||||
completionHandler:
|
||||
^(CMSampleBufferRef imageSampleBuffer, NSError *error)
|
||||
{
|
||||
if (error == nil && imageSampleBuffer != NULL)
|
||||
{
|
||||
// TODO check
|
||||
// NSNumber* imageOrientation = [UIImage cgImageOrientationForUIDeviceOrientation:currentDeviceOrientation];
|
||||
// CMSetAttachment(imageSampleBuffer, kCGImagePropertyOrientation, imageOrientation, 1);
|
||||
|
||||
NSData *jpegData = [AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:imageSampleBuffer];
|
||||
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
[self.captureSession stopRunning];
|
||||
|
||||
// Make sure we create objects on the main thread in the main context
|
||||
UIImage* newImage = [UIImage imageWithData:jpegData];
|
||||
|
||||
//UIImageOrientation orientation = [newImage imageOrientation];
|
||||
|
||||
// TODO: only apply rotation, don't scale, since we can set this directly in the camera
|
||||
/*
|
||||
switch (orientation) {
|
||||
case UIImageOrientationUp:
|
||||
case UIImageOrientationDown:
|
||||
newImage = [newImage imageWithAppliedRotationAndMaxSize:CGSizeMake(640.0, 480.0)];
|
||||
break;
|
||||
case UIImageOrientationLeft:
|
||||
case UIImageOrientationRight:
|
||||
newImage = [newImage imageWithMaxSize:CGSizeMake(640.0, 480.0)];
|
||||
default:
|
||||
break;
|
||||
}
|
||||
*/
|
||||
|
||||
// We have captured the image, we can allow the user to take another picture
|
||||
self.cameraAvailable = YES;
|
||||
|
||||
NSLog(@"CvPhotoCamera2 captured image");
|
||||
[self.delegate photoCamera:self capturedImage:newImage];
|
||||
|
||||
[self.captureSession startRunning];
|
||||
});
|
||||
}
|
||||
}];
|
||||
|
||||
|
||||
}
|
||||
|
||||
- (void)stop;
|
||||
{
|
||||
[super stop];
|
||||
self.stillImageOutput = nil;
|
||||
}
|
||||
|
||||
|
||||
#pragma mark - Private Interface
|
||||
|
||||
|
||||
- (void)createStillImageOutput;
|
||||
{
|
||||
// setup still image output with jpeg codec
|
||||
self.stillImageOutput = [[AVCaptureStillImageOutput alloc] init];
|
||||
NSDictionary *outputSettings = [NSDictionary dictionaryWithObjectsAndKeys:AVVideoCodecJPEG, AVVideoCodecKey, nil];
|
||||
[self.stillImageOutput setOutputSettings:outputSettings];
|
||||
[self.captureSession addOutput:self.stillImageOutput];
|
||||
|
||||
for (AVCaptureConnection *connection in self.stillImageOutput.connections) {
|
||||
for (AVCaptureInputPort *port in [connection inputPorts]) {
|
||||
if ([port.mediaType isEqual:AVMediaTypeVideo]) {
|
||||
self.videoCaptureConnection = connection;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (self.videoCaptureConnection) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
NSLog(@"[Camera] still image output created");
|
||||
}
|
||||
|
||||
|
||||
- (void)createCaptureOutput;
|
||||
{
|
||||
[self createStillImageOutput];
|
||||
}
|
||||
|
||||
- (void)createCustomVideoPreview;
|
||||
{
|
||||
//do nothing, always use AVCaptureVideoPreviewLayer
|
||||
}
|
||||
|
||||
|
||||
@end
|
575
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvVideoCamera2.mm
vendored
Normal file
575
3rdparty/opencv-4.5.4/modules/videoio/misc/objc/ios/CvVideoCamera2.mm
vendored
Normal file
@ -0,0 +1,575 @@
|
||||
//
|
||||
// CvVideoCamera2.mm
|
||||
//
|
||||
// Created by Giles Payne on 2020/03/11.
|
||||
//
|
||||
|
||||
#import "Mat.h"
|
||||
#import "CvCamera2.h"
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
static CGFloat DegreesToRadians(CGFloat degrees) {return degrees * M_PI / 180;}
|
||||
|
||||
#pragma mark - Private Interface
|
||||
|
||||
@interface CvVideoCamera2 () {
|
||||
int recordingCountDown;
|
||||
}
|
||||
|
||||
- (void)createVideoDataOutput;
|
||||
- (void)createVideoFileOutput;
|
||||
|
||||
@property (nonatomic, strong) CALayer *customPreviewLayer;
|
||||
@property (nonatomic, strong) AVCaptureVideoDataOutput *videoDataOutput;
|
||||
|
||||
@end
|
||||
|
||||
|
||||
#pragma mark - Implementation
|
||||
|
||||
@implementation CvVideoCamera2
|
||||
{
|
||||
id<CvVideoCameraDelegate2> _delegate;
|
||||
dispatch_queue_t videoDataOutputQueue;
|
||||
CMTime lastSampleTime;
|
||||
}
|
||||
|
||||
- (void)setDelegate:(id<CvVideoCameraDelegate2>)newDelegate {
|
||||
_delegate = newDelegate;
|
||||
}
|
||||
|
||||
- (id<CvVideoCameraDelegate2>)delegate {
|
||||
return _delegate;
|
||||
}
|
||||
|
||||
#pragma mark - Constructors
|
||||
|
||||
- (id)initWithParentView:(UIView*)parent {
|
||||
self = [super initWithParentView:parent];
|
||||
if (self) {
|
||||
parent.contentMode = UIViewContentModeScaleAspectFill;
|
||||
self.useAVCaptureVideoPreviewLayer = NO;
|
||||
self.recordVideo = NO;
|
||||
self.rotateVideo = NO;
|
||||
self.defaultAVCaptureDevicePosition = AVCaptureDevicePositionBack;
|
||||
self.defaultAVCaptureSessionPreset = AVCaptureSessionPresetHigh;
|
||||
self.defaultAVCaptureVideoOrientation = AVCaptureVideoOrientationPortrait;
|
||||
self.defaultFPS = 30;
|
||||
self.grayscaleMode = NO;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark - Public interface
|
||||
|
||||
|
||||
- (void)start {
|
||||
if (self.running == YES) {
|
||||
return;
|
||||
}
|
||||
|
||||
recordingCountDown = 10;
|
||||
[super start];
|
||||
|
||||
if (self.recordVideo == YES) {
|
||||
NSError* error = nil;
|
||||
if ([[NSFileManager defaultManager] fileExistsAtPath:[self videoFileString]]) {
|
||||
[[NSFileManager defaultManager] removeItemAtPath:[self videoFileString] error:&error];
|
||||
}
|
||||
if (error == nil) {
|
||||
NSLog(@"[Camera] Delete file %@", [self videoFileString]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
- (void)stop {
|
||||
if (self.running == YES) {
|
||||
[super stop];
|
||||
|
||||
if (self.recordVideo == YES) {
|
||||
if (self.recordAssetWriter) {
|
||||
if (self.recordAssetWriter.status == AVAssetWriterStatusWriting) {
|
||||
[self.recordAssetWriter finishWritingWithCompletionHandler:^void() {
|
||||
NSLog(@"[Camera] recording stopped");
|
||||
}];
|
||||
} else {
|
||||
NSLog(@"[Camera] Recording Error: asset writer status is not writing");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (self.customPreviewLayer) {
|
||||
[self.customPreviewLayer removeFromSuperlayer];
|
||||
self.customPreviewLayer = nil;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// TODO fix
|
||||
- (void)adjustLayoutToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
|
||||
NSLog(@"layout preview layer");
|
||||
if (self.parentView != nil) {
|
||||
|
||||
CALayer* layer = self.customPreviewLayer;
|
||||
CGRect bounds = self.customPreviewLayer.bounds;
|
||||
int rotation_angle = 0;
|
||||
bool flip_bounds = false;
|
||||
|
||||
switch (interfaceOrientation) {
|
||||
case UIInterfaceOrientationPortrait:
|
||||
NSLog(@"to Portrait");
|
||||
rotation_angle = 270;
|
||||
break;
|
||||
case UIInterfaceOrientationPortraitUpsideDown:
|
||||
rotation_angle = 90;
|
||||
NSLog(@"to UpsideDown");
|
||||
break;
|
||||
case UIInterfaceOrientationLandscapeLeft:
|
||||
rotation_angle = 0;
|
||||
NSLog(@"to LandscapeLeft");
|
||||
break;
|
||||
case UIInterfaceOrientationLandscapeRight:
|
||||
rotation_angle = 180;
|
||||
NSLog(@"to LandscapeRight");
|
||||
break;
|
||||
default:
|
||||
break; // leave the layer in its last known orientation
|
||||
}
|
||||
|
||||
switch (self.defaultAVCaptureVideoOrientation) {
|
||||
case AVCaptureVideoOrientationLandscapeRight:
|
||||
rotation_angle += 180;
|
||||
break;
|
||||
case AVCaptureVideoOrientationPortraitUpsideDown:
|
||||
rotation_angle += 270;
|
||||
break;
|
||||
case AVCaptureVideoOrientationPortrait:
|
||||
rotation_angle += 90;
|
||||
case AVCaptureVideoOrientationLandscapeLeft:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
rotation_angle = rotation_angle % 360;
|
||||
|
||||
if (rotation_angle == 90 || rotation_angle == 270) {
|
||||
flip_bounds = true;
|
||||
}
|
||||
|
||||
if (flip_bounds) {
|
||||
NSLog(@"flip bounds");
|
||||
bounds = CGRectMake(0, 0, bounds.size.height, bounds.size.width);
|
||||
}
|
||||
|
||||
layer.position = CGPointMake(self.parentView.frame.size.width/2., self.parentView.frame.size.height/2.);
|
||||
self.customPreviewLayer.bounds = CGRectMake(0, 0, self.parentView.frame.size.width, self.parentView.frame.size.height);
|
||||
|
||||
layer.affineTransform = CGAffineTransformMakeRotation( DegreesToRadians(rotation_angle) );
|
||||
layer.bounds = bounds;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// TODO fix
|
||||
- (void)layoutPreviewLayer {
|
||||
NSLog(@"layout preview layer");
|
||||
if (self.parentView != nil) {
|
||||
|
||||
CALayer* layer = self.customPreviewLayer;
|
||||
CGRect bounds = self.customPreviewLayer.bounds;
|
||||
int rotation_angle = 0;
|
||||
bool flip_bounds = false;
|
||||
|
||||
switch (self.currentDeviceOrientation) {
|
||||
case UIDeviceOrientationPortrait:
|
||||
rotation_angle = 270;
|
||||
break;
|
||||
case UIDeviceOrientationPortraitUpsideDown:
|
||||
rotation_angle = 90;
|
||||
break;
|
||||
case UIDeviceOrientationLandscapeLeft:
|
||||
NSLog(@"left");
|
||||
rotation_angle = 180;
|
||||
break;
|
||||
case UIDeviceOrientationLandscapeRight:
|
||||
NSLog(@"right");
|
||||
rotation_angle = 0;
|
||||
break;
|
||||
case UIDeviceOrientationFaceUp:
|
||||
case UIDeviceOrientationFaceDown:
|
||||
default:
|
||||
break; // leave the layer in its last known orientation
|
||||
}
|
||||
|
||||
switch (self.defaultAVCaptureVideoOrientation) {
|
||||
case AVCaptureVideoOrientationLandscapeRight:
|
||||
rotation_angle += 180;
|
||||
break;
|
||||
case AVCaptureVideoOrientationPortraitUpsideDown:
|
||||
rotation_angle += 270;
|
||||
break;
|
||||
case AVCaptureVideoOrientationPortrait:
|
||||
rotation_angle += 90;
|
||||
case AVCaptureVideoOrientationLandscapeLeft:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
rotation_angle = rotation_angle % 360;
|
||||
|
||||
if (rotation_angle == 90 || rotation_angle == 270) {
|
||||
flip_bounds = true;
|
||||
}
|
||||
|
||||
if (flip_bounds) {
|
||||
NSLog(@"flip bounds");
|
||||
bounds = CGRectMake(0, 0, bounds.size.height, bounds.size.width);
|
||||
}
|
||||
|
||||
layer.position = CGPointMake(self.parentView.frame.size.width/2., self.parentView.frame.size.height/2.);
|
||||
layer.affineTransform = CGAffineTransformMakeRotation( DegreesToRadians(rotation_angle) );
|
||||
layer.bounds = bounds;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#pragma mark - Private Interface
|
||||
|
||||
- (void)createVideoDataOutput {
|
||||
// Make a video data output
|
||||
self.videoDataOutput = [AVCaptureVideoDataOutput new];
|
||||
|
||||
// In grayscale mode we want YUV (YpCbCr 4:2:0) so we can directly access the graylevel intensity values (Y component)
|
||||
// In color mode we, BGRA format is used
|
||||
OSType format = self.grayscaleMode ? kCVPixelFormatType_420YpCbCr8BiPlanarFullRange : kCVPixelFormatType_32BGRA;
|
||||
|
||||
self.videoDataOutput.videoSettings = [NSDictionary dictionaryWithObject:[NSNumber numberWithUnsignedInt:format]
|
||||
forKey:(id)kCVPixelBufferPixelFormatTypeKey];
|
||||
|
||||
// discard if the data output queue is blocked (as we process the still image)
|
||||
[self.videoDataOutput setAlwaysDiscardsLateVideoFrames:YES];
|
||||
|
||||
if ( [self.captureSession canAddOutput:self.videoDataOutput] ) {
|
||||
[self.captureSession addOutput:self.videoDataOutput];
|
||||
}
|
||||
[[self.videoDataOutput connectionWithMediaType:AVMediaTypeVideo] setEnabled:YES];
|
||||
|
||||
|
||||
// set default FPS
|
||||
AVCaptureDeviceInput *currentInput = [self.captureSession.inputs objectAtIndex:0];
|
||||
AVCaptureDevice *device = currentInput.device;
|
||||
|
||||
NSError *error = nil;
|
||||
[device lockForConfiguration:&error];
|
||||
|
||||
float maxRate = ((AVFrameRateRange*) [device.activeFormat.videoSupportedFrameRateRanges objectAtIndex:0]).maxFrameRate;
|
||||
if (maxRate > self.defaultFPS - 1 && error == nil) {
|
||||
[device setActiveVideoMinFrameDuration:CMTimeMake(1, self.defaultFPS)];
|
||||
[device setActiveVideoMaxFrameDuration:CMTimeMake(1, self.defaultFPS)];
|
||||
NSLog(@"[Camera] FPS set to %d", self.defaultFPS);
|
||||
} else {
|
||||
NSLog(@"[Camera] unable to set defaultFPS at %d FPS, max is %f FPS", self.defaultFPS, maxRate);
|
||||
}
|
||||
|
||||
if (error != nil) {
|
||||
NSLog(@"[Camera] unable to set defaultFPS: %@", error);
|
||||
}
|
||||
|
||||
[device unlockForConfiguration];
|
||||
|
||||
// set video mirroring for front camera (more intuitive)
|
||||
if ([self.videoDataOutput connectionWithMediaType:AVMediaTypeVideo].supportsVideoMirroring) {
|
||||
if (self.defaultAVCaptureDevicePosition == AVCaptureDevicePositionFront) {
|
||||
[self.videoDataOutput connectionWithMediaType:AVMediaTypeVideo].videoMirrored = YES;
|
||||
} else {
|
||||
[self.videoDataOutput connectionWithMediaType:AVMediaTypeVideo].videoMirrored = NO;
|
||||
}
|
||||
}
|
||||
|
||||
// set default video orientation
|
||||
if ([self.videoDataOutput connectionWithMediaType:AVMediaTypeVideo].supportsVideoOrientation) {
|
||||
[self.videoDataOutput connectionWithMediaType:AVMediaTypeVideo].videoOrientation = self.defaultAVCaptureVideoOrientation;
|
||||
}
|
||||
|
||||
|
||||
// create a custom preview layer
|
||||
self.customPreviewLayer = [CALayer layer];
|
||||
self.customPreviewLayer.bounds = CGRectMake(0, 0, self.parentView.frame.size.width, self.parentView.frame.size.height);
|
||||
self.customPreviewLayer.position = CGPointMake(self.parentView.frame.size.width/2., self.parentView.frame.size.height/2.);
|
||||
[self updateOrientation];
|
||||
|
||||
// create a serial dispatch queue used for the sample buffer delegate as well as when a still image is captured
|
||||
// a serial dispatch queue must be used to guarantee that video frames will be delivered in order
|
||||
// see the header doc for setSampleBufferDelegate:queue: for more information
|
||||
videoDataOutputQueue = dispatch_queue_create("VideoDataOutputQueue", DISPATCH_QUEUE_SERIAL);
|
||||
[self.videoDataOutput setSampleBufferDelegate:self queue:videoDataOutputQueue];
|
||||
|
||||
|
||||
NSLog(@"[Camera] created AVCaptureVideoDataOutput");
|
||||
}
|
||||
|
||||
- (void)createVideoFileOutput {
|
||||
/* Video File Output in H.264, via AVAsserWriter */
|
||||
NSLog(@"Create Video with dimensions %dx%d", self.imageWidth, self.imageHeight);
|
||||
|
||||
NSDictionary *outputSettings
|
||||
= [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithInt:self.imageWidth], AVVideoWidthKey,
|
||||
[NSNumber numberWithInt:self.imageHeight], AVVideoHeightKey,
|
||||
AVVideoCodecH264, AVVideoCodecKey,
|
||||
nil
|
||||
];
|
||||
|
||||
|
||||
self.recordAssetWriterInput = [AVAssetWriterInput assetWriterInputWithMediaType:AVMediaTypeVideo outputSettings:outputSettings];
|
||||
|
||||
|
||||
int pixelBufferFormat = (self.grayscaleMode == YES) ? kCVPixelFormatType_420YpCbCr8BiPlanarFullRange : kCVPixelFormatType_32BGRA;
|
||||
|
||||
self.recordPixelBufferAdaptor =
|
||||
[[AVAssetWriterInputPixelBufferAdaptor alloc]
|
||||
initWithAssetWriterInput:self.recordAssetWriterInput
|
||||
sourcePixelBufferAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithInt:pixelBufferFormat], kCVPixelBufferPixelFormatTypeKey, nil]];
|
||||
|
||||
NSError* error = nil;
|
||||
NSLog(@"Create AVAssetWriter with url: %@", [self videoFileURL]);
|
||||
self.recordAssetWriter = [AVAssetWriter assetWriterWithURL:[self videoFileURL]
|
||||
fileType:AVFileTypeMPEG4
|
||||
error:&error];
|
||||
if (error != nil) {
|
||||
NSLog(@"[Camera] Unable to create AVAssetWriter: %@", error);
|
||||
}
|
||||
|
||||
[self.recordAssetWriter addInput:self.recordAssetWriterInput];
|
||||
self.recordAssetWriterInput.expectsMediaDataInRealTime = YES;
|
||||
|
||||
NSLog(@"[Camera] created AVAssetWriter");
|
||||
}
|
||||
|
||||
- (void)createCaptureOutput {
|
||||
[self createVideoDataOutput];
|
||||
if (self.recordVideo == YES) {
|
||||
[self createVideoFileOutput];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)createCustomVideoPreview {
|
||||
[self.parentView.layer addSublayer:self.customPreviewLayer];
|
||||
}
|
||||
|
||||
- (CVPixelBufferRef) pixelBufferFromCGImage: (CGImageRef) image {
|
||||
|
||||
CGSize frameSize = CGSizeMake(CGImageGetWidth(image), CGImageGetHeight(image));
|
||||
NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
|
||||
[NSNumber numberWithBool:NO], kCVPixelBufferCGImageCompatibilityKey,
|
||||
[NSNumber numberWithBool:NO], kCVPixelBufferCGBitmapContextCompatibilityKey,
|
||||
nil];
|
||||
CVPixelBufferRef pxbuffer = NULL;
|
||||
CVReturn status = CVPixelBufferCreate(kCFAllocatorDefault, frameSize.width,
|
||||
frameSize.height, kCVPixelFormatType_32ARGB, (CFDictionaryRef) CFBridgingRetain(options),
|
||||
&pxbuffer);
|
||||
NSParameterAssert(status == kCVReturnSuccess && pxbuffer != NULL);
|
||||
|
||||
CVPixelBufferLockBaseAddress(pxbuffer, 0);
|
||||
void *pxdata = CVPixelBufferGetBaseAddress(pxbuffer);
|
||||
|
||||
|
||||
CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();
|
||||
CGContextRef context = CGBitmapContextCreate(pxdata, frameSize.width,
|
||||
frameSize.height, 8, 4*frameSize.width, rgbColorSpace,
|
||||
kCGImageAlphaPremultipliedFirst);
|
||||
|
||||
CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(image),
|
||||
CGImageGetHeight(image)), image);
|
||||
CGColorSpaceRelease(rgbColorSpace);
|
||||
CGContextRelease(context);
|
||||
|
||||
CVPixelBufferUnlockBaseAddress(pxbuffer, 0);
|
||||
|
||||
return pxbuffer;
|
||||
}
|
||||
|
||||
#pragma mark - Protocol AVCaptureVideoDataOutputSampleBufferDelegate
|
||||
|
||||
- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection
|
||||
{
|
||||
(void)captureOutput;
|
||||
(void)connection;
|
||||
auto strongDelegate = self.delegate;
|
||||
if (strongDelegate) {
|
||||
|
||||
// convert from Core Media to Core Video
|
||||
CVImageBufferRef imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
|
||||
CVPixelBufferLockBaseAddress(imageBuffer, 0);
|
||||
|
||||
void* bufferAddress;
|
||||
size_t width;
|
||||
size_t height;
|
||||
size_t bytesPerRow;
|
||||
|
||||
CGColorSpaceRef colorSpace;
|
||||
CGContextRef context;
|
||||
|
||||
int format_opencv;
|
||||
|
||||
OSType format = CVPixelBufferGetPixelFormatType(imageBuffer);
|
||||
if (format == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange) {
|
||||
|
||||
format_opencv = CV_8UC1;
|
||||
|
||||
bufferAddress = CVPixelBufferGetBaseAddressOfPlane(imageBuffer, 0);
|
||||
width = CVPixelBufferGetWidthOfPlane(imageBuffer, 0);
|
||||
height = CVPixelBufferGetHeightOfPlane(imageBuffer, 0);
|
||||
bytesPerRow = CVPixelBufferGetBytesPerRowOfPlane(imageBuffer, 0);
|
||||
|
||||
} else { // expect kCVPixelFormatType_32BGRA
|
||||
|
||||
format_opencv = CV_8UC4;
|
||||
|
||||
bufferAddress = CVPixelBufferGetBaseAddress(imageBuffer);
|
||||
width = CVPixelBufferGetWidth(imageBuffer);
|
||||
height = CVPixelBufferGetHeight(imageBuffer);
|
||||
bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer);
|
||||
|
||||
}
|
||||
|
||||
// delegate image processing to the delegate
|
||||
cv::Mat image((int)height, (int)width, format_opencv, bufferAddress, bytesPerRow);
|
||||
|
||||
CGImage* dstImage;
|
||||
|
||||
if ([strongDelegate respondsToSelector:@selector(processImage:)]) {
|
||||
[strongDelegate processImage:[Mat fromNative:image]];
|
||||
}
|
||||
|
||||
// check if matrix data pointer or dimensions were changed by the delegate
|
||||
bool iOSimage = false;
|
||||
if (height == (size_t)image.rows && width == (size_t)image.cols && format_opencv == image.type() && bufferAddress == image.data && bytesPerRow == image.step) {
|
||||
iOSimage = true;
|
||||
}
|
||||
|
||||
|
||||
// (create color space, create graphics context, render buffer)
|
||||
CGBitmapInfo bitmapInfo;
|
||||
|
||||
// basically we decide if it's a grayscale, rgb or rgba image
|
||||
if (image.channels() == 1) {
|
||||
colorSpace = CGColorSpaceCreateDeviceGray();
|
||||
bitmapInfo = kCGImageAlphaNone;
|
||||
} else if (image.channels() == 3) {
|
||||
colorSpace = CGColorSpaceCreateDeviceRGB();
|
||||
bitmapInfo = kCGImageAlphaNone;
|
||||
if (iOSimage) {
|
||||
bitmapInfo |= kCGBitmapByteOrder32Little;
|
||||
} else {
|
||||
bitmapInfo |= kCGBitmapByteOrder32Big;
|
||||
}
|
||||
} else {
|
||||
colorSpace = CGColorSpaceCreateDeviceRGB();
|
||||
bitmapInfo = kCGImageAlphaPremultipliedFirst;
|
||||
if (iOSimage) {
|
||||
bitmapInfo |= kCGBitmapByteOrder32Little;
|
||||
} else {
|
||||
bitmapInfo |= kCGBitmapByteOrder32Big;
|
||||
}
|
||||
}
|
||||
|
||||
if (iOSimage) {
|
||||
context = CGBitmapContextCreate(bufferAddress, width, height, 8, bytesPerRow, colorSpace, bitmapInfo);
|
||||
dstImage = CGBitmapContextCreateImage(context);
|
||||
CGContextRelease(context);
|
||||
} else {
|
||||
|
||||
NSData *data = [NSData dataWithBytes:image.data length:image.elemSize()*image.total()];
|
||||
CGDataProviderRef provider = CGDataProviderCreateWithCFData((__bridge CFDataRef)data);
|
||||
|
||||
// Creating CGImage from cv::Mat
|
||||
dstImage = CGImageCreate(image.cols, // width
|
||||
image.rows, // height
|
||||
8, // bits per component
|
||||
8 * image.elemSize(), // bits per pixel
|
||||
image.step, // bytesPerRow
|
||||
colorSpace, // colorspace
|
||||
bitmapInfo, // bitmap info
|
||||
provider, // CGDataProviderRef
|
||||
NULL, // decode
|
||||
false, // should interpolate
|
||||
kCGRenderingIntentDefault // intent
|
||||
);
|
||||
|
||||
CGDataProviderRelease(provider);
|
||||
}
|
||||
|
||||
|
||||
// render buffer
|
||||
dispatch_sync(dispatch_get_main_queue(), ^{
|
||||
self.customPreviewLayer.contents = (__bridge id)dstImage;
|
||||
});
|
||||
|
||||
|
||||
recordingCountDown--;
|
||||
if (self.recordVideo == YES && recordingCountDown < 0) {
|
||||
lastSampleTime = CMSampleBufferGetPresentationTimeStamp(sampleBuffer);
|
||||
// CMTimeShow(lastSampleTime);
|
||||
if (self.recordAssetWriter.status != AVAssetWriterStatusWriting) {
|
||||
[self.recordAssetWriter startWriting];
|
||||
[self.recordAssetWriter startSessionAtSourceTime:lastSampleTime];
|
||||
if (self.recordAssetWriter.status != AVAssetWriterStatusWriting) {
|
||||
NSLog(@"[Camera] Recording Error: asset writer status is not writing: %@", self.recordAssetWriter.error);
|
||||
return;
|
||||
} else {
|
||||
NSLog(@"[Camera] Video recording started");
|
||||
}
|
||||
}
|
||||
|
||||
if (self.recordAssetWriterInput.readyForMoreMediaData) {
|
||||
CVImageBufferRef pixelBuffer = [self pixelBufferFromCGImage:dstImage];
|
||||
if (! [self.recordPixelBufferAdaptor appendPixelBuffer:pixelBuffer
|
||||
withPresentationTime:lastSampleTime] ) {
|
||||
NSLog(@"Video Writing Error");
|
||||
}
|
||||
if (pixelBuffer != nullptr)
|
||||
CVPixelBufferRelease(pixelBuffer);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// cleanup
|
||||
CGImageRelease(dstImage);
|
||||
CGColorSpaceRelease(colorSpace);
|
||||
CVPixelBufferUnlockBaseAddress(imageBuffer, 0);
|
||||
}
|
||||
}
|
||||
|
||||
- (void)updateOrientation {
|
||||
if (self.rotateVideo == YES)
|
||||
{
|
||||
NSLog(@"rotate..");
|
||||
self.customPreviewLayer.bounds = CGRectMake(0, 0, self.parentView.frame.size.width, self.parentView.frame.size.height);
|
||||
[self layoutPreviewLayer];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)saveVideo {
|
||||
if (self.recordVideo == NO) {
|
||||
return;
|
||||
}
|
||||
|
||||
UISaveVideoAtPathToSavedPhotosAlbum([self videoFileString], nil, nil, NULL);
|
||||
}
|
||||
|
||||
- (NSURL *)videoFileURL {
|
||||
NSString *outputPath = [[NSString alloc] initWithFormat:@"%@%@", NSTemporaryDirectory(), @"output.mov"];
|
||||
NSURL *outputURL = [NSURL fileURLWithPath:outputPath];
|
||||
NSFileManager *fileManager = [NSFileManager defaultManager];
|
||||
if ([fileManager fileExistsAtPath:outputPath]) {
|
||||
NSLog(@"file exists");
|
||||
}
|
||||
return outputURL;
|
||||
}
|
||||
|
||||
- (NSString *)videoFileString {
|
||||
NSString *outputPath = [[NSString alloc] initWithFormat:@"%@%@", NSTemporaryDirectory(), @"output.mov"];
|
||||
return outputPath;
|
||||
}
|
||||
|
||||
@end
|
Reference in New Issue
Block a user