Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
VideoChannel.h
/* |
File: VideoChannel.h |
Abstract: The VideoChannel handles one movie with its navigation and rendering. |
Version: 1.0 |
å© Copyright 2005 Apple Computer, Inc. All rights reserved. |
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*/ |
#import <Cocoa/Cocoa.h> |
#import "VideoMixView.h" |
@interface VideoChannel : NSObject |
{ |
IBOutlet id channelOpacity; |
IBOutlet id channelShape; |
// where is the movie to be drawn |
NSRect targetRect; |
// texture coordinate describing the clean aperture of the texture |
GLfloat lowerLeft[2]; |
GLfloat lowerRight[2]; |
GLfloat upperRight[2]; |
GLfloat upperLeft[2]; |
// movie and its visual context |
Movie channelMovie; |
QTVisualContextRef visualContext; |
// the current frame |
CVOpenGLTextureRef currentTexture; |
} |
+ (id)createWithFilePath:(NSString*)theFilePath forView:(VideoMixView*)inView; |
- (id)initWithFilePath:(NSString*)theFilePath forView:(VideoMixView*)inView; |
- (void)prerollMovie:(Fixed)rate; |
- (void)startMovie:(Fixed)rate usingMasterTimeBase:(TimeBase)masterTimeBase; |
- (void)stopMovie; |
- (TimeBase)timeBase; |
- (BOOL)renderChannel:(const CVTimeStamp*)syncTimeStamp; |
- (float)opacity; |
- (void)setTargetRect:(NSRect)inRect; |
- (NSRect)targetRect; |
- (void)drawOutline:(NSRect)destRect; |
- (void)compositeChannelInRect:(NSRect)destRect; |
- (void)compositeChannelThumbnailInRect:(NSRect)destRect; |
@end |
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