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105 lines
4.1 KiB
Objective-C
105 lines
4.1 KiB
Objective-C
/* FreeJ
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* (c) Copyright 2009 Andrea Guzzo <xant@dyne.org>
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*
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* This source code is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Public License as published
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* by the Free Software Foundation; either version 3 of the License,
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* or (at your option) any later version.
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*
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* This source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* Please refer to the GNU Public License for more details.
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*
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* You should have received a copy of the GNU Public License along with
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* this source code; if not, write to:
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* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef __CVLAYERCONTROLLER_H__
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#define __CVLAYERCONTROLLER_H__
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#include <CVLayer.h>
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#import <CFreej.h>
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#import <CVPreview.h>
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#import <Cocoa/Cocoa.h>
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#import <CVLayerView.h>
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@class CVLayerView;
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class CVLayer;
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@interface CVLayerController : NSObject {
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CFreej *freej;
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NSRecursiveLock *lock;
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bool newFrame;
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CVPixelBufferRef currentFrame; // the current frame from the movie
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CVTexture *lastFrame;
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CIImage *posterImage;
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bool doPreview;
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CVTexture *currentPreviewTexture;
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CGLContextObj glContext;
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// display link
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CVDisplayLinkRef displayLink; // the displayLink that runs the show
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CGDirectDisplayID viewDisplayID;
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// filters for CI rendering
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CIFilter *colorCorrectionFilter; // hue saturation brightness control through one CI filter
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CIFilter *compositeFilter; // composites the timecode over the video
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CIFilter *alphaFilter;
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CIFilter *exposureAdjustFilter;
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CIFilter *rotateFilter;
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CIFilter *translateFilter;
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CIFilter *effectFilter;
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CIFilter *scaleFilter;
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NSMutableArray *paramNames;
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NSMutableArray *paramValues;
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NSMutableDictionary *filterParams;
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uint64_t lastRenderedTime;
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CVLayer *layer;
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IBOutlet CVLayerView *layerView;
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bool doFilters;
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}
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@property (readwrite) CVLayer *layer;
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@property (readonly) CVPixelBufferRef currentFrame;
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// subclass implementation should override this method and update
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// the currentFrame pointer only within the renderFrame implementation
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- (char *)name;
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- (void)feedFrame:(CVPixelBufferRef)frame;
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- (CVReturn)renderFrame;
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- (id)initWithOpenGLContext:(CGLContextObj)context pixelFormat:(CGLPixelFormatObj)pixelFormat Context:(CFreej *)ctx;
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- (id)initWithContext:(CFreej *)context;
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- (void)startPreview; // enable preview rendering
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- (void)stopPreview; // disable preview rendering
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- (void)renderPreview; // render the preview frame
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- (bool)isVisible; // query the layer to check if it's being sent to the Screen or not
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- (NSString *)blendMode;
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- (void)activate; /// activate the underlying CVLayer
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- (void)deactivate; /// deactivate the underlying CVLayer
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// Retain currentFrame, apply filters and return a CVTexture
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- (CVTexture *)getTexture;
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// query the layer to check if it needs to display a preview or not (used by CVPreview)
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- (bool)needPreview;
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- (NSString *)filterName;
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- (NSDictionary *)filterParams;
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- (void)setPreviewTarget:(CVPreview *)targetView;
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- (void)lock; /// accessor to the internal mutex
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- (void)unlock; /// accessor to the internal mutex
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- (void)translateXby:(float)x Yby:(float)y;
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- (void)rotateBy:(float)deg;
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- (void)start;
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- (void)stop;
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- (void)setLayer:(CVLayer *)lay;
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- (void)toggleFilters;
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- (void)toggleVisibility;
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- (void)togglePreview;
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- (bool)doPreview;
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- (IBAction)setFilterParameter:(id)sender; /// tags from 0 to 10
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- (void)setBlendMode:(NSString *)mode;
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@end
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#endif |