blob: 50a035494c74d199ea346971b154fd8c00778d7b [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@import AVFoundation;
@import Foundation;
@import Flutter;
#import "CameraProperties.h"
#import "FLTThreadSafeEventChannel.h"
#import "FLTThreadSafeFlutterResult.h"
#import "FLTThreadSafeMethodChannel.h"
#import "FLTThreadSafeTextureRegistry.h"
* A class that manages camera's state and performs camera operations.
@interface FLTCam : NSObject <FlutterTexture>
@property(readonly, nonatomic) AVCaptureDevice *captureDevice;
@property(readonly, nonatomic) CGSize previewSize;
@property(assign, nonatomic) BOOL isPreviewPaused;
@property(nonatomic, copy) void (^onFrameAvailable)(void);
@property(nonatomic) FLTThreadSafeMethodChannel *methodChannel;
@property(assign, nonatomic) FLTResolutionPreset resolutionPreset;
@property(assign, nonatomic) FLTExposureMode exposureMode;
@property(assign, nonatomic) FLTFocusMode focusMode;
@property(assign, nonatomic) FLTFlashMode flashMode;
// Format used for video and image streaming.
@property(assign, nonatomic) FourCharCode videoFormat;
/// Initializes an `FLTCam` instance.
/// @param cameraName a name used to uniquely identify the camera.
/// @param resolutionPreset the resolution preset
/// @param enableAudio YES if audio should be enabled for video capturing; NO otherwise.
/// @param orientation the orientation of camera
/// @param captureSessionQueue the queue on which camera's capture session operations happen.
/// @param error report to the caller if any error happened creating the camera.
- (instancetype)initWithCameraName:(NSString *)cameraName
resolutionPreset:(NSString *)resolutionPreset
error:(NSError **)error;
- (void)start;
- (void)stop;
- (void)setDeviceOrientation:(UIDeviceOrientation)orientation;
- (void)captureToFile:(FLTThreadSafeFlutterResult *)result;
- (void)close;
- (void)startVideoRecordingWithResult:(FLTThreadSafeFlutterResult *)result;
* Starts recording a video with an optional streaming messenger.
* If the messenger is non-null then it will be called for each
* captured frame, allowing streaming concurrently with recording.
* @param messenger Nullable messenger for capturing each frame.
- (void)startVideoRecordingWithResult:(FLTThreadSafeFlutterResult *)result
messengerForStreaming:(nullable NSObject<FlutterBinaryMessenger> *)messenger;
- (void)stopVideoRecordingWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)pauseVideoRecordingWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)resumeVideoRecordingWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)lockCaptureOrientationWithResult:(FLTThreadSafeFlutterResult *)result
orientation:(NSString *)orientationStr;
- (void)unlockCaptureOrientationWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)setFlashModeWithResult:(FLTThreadSafeFlutterResult *)result mode:(NSString *)modeStr;
- (void)setExposureModeWithResult:(FLTThreadSafeFlutterResult *)result mode:(NSString *)modeStr;
- (void)setFocusModeWithResult:(FLTThreadSafeFlutterResult *)result mode:(NSString *)modeStr;
- (void)applyFocusMode;
* Acknowledges the receipt of one image stream frame.
* This should be called each time a frame is received. Failing to call it may
* cause later frames to be dropped instead of streamed.
- (void)receivedImageStreamData;
* Applies FocusMode on the AVCaptureDevice.
* If the @c focusMode is set to FocusModeAuto the AVCaptureDevice is configured to use
* AVCaptureFocusModeContinuousModeAutoFocus when supported, otherwise it is set to
* AVCaptureFocusModeAutoFocus. If neither AVCaptureFocusModeContinuousModeAutoFocus nor
* AVCaptureFocusModeAutoFocus are supported focus mode will not be set.
* If @c focusMode is set to FocusModeLocked the AVCaptureDevice is configured to use
* AVCaptureFocusModeAutoFocus. If AVCaptureFocusModeAutoFocus is not supported focus mode will not
* be set.
* @param focusMode The focus mode that should be applied to the @captureDevice instance.
* @param captureDevice The AVCaptureDevice to which the @focusMode will be applied.
- (void)applyFocusMode:(FLTFocusMode)focusMode onDevice:(AVCaptureDevice *)captureDevice;
- (void)pausePreviewWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)resumePreviewWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)setExposurePointWithResult:(FLTThreadSafeFlutterResult *)result x:(double)x y:(double)y;
- (void)setFocusPointWithResult:(FLTThreadSafeFlutterResult *)result x:(double)x y:(double)y;
- (void)setExposureOffsetWithResult:(FLTThreadSafeFlutterResult *)result offset:(double)offset;
- (void)startImageStreamWithMessenger:(NSObject<FlutterBinaryMessenger> *)messenger;
- (void)stopImageStream;
- (void)getMaxZoomLevelWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)getMinZoomLevelWithResult:(FLTThreadSafeFlutterResult *)result;
- (void)setZoomLevel:(CGFloat)zoom Result:(FLTThreadSafeFlutterResult *)result;
- (void)setUpCaptureSessionForAudio;