I have QTMovie open in QTKit. I need to get each frame of this video in YV12 format (kYUV420PixelFormat), in real time (ie. I\'m passing it to foreign code which only accepts YV12 and needs to play t
I have an application where I use QTKit to acquire realtime information about the sounds surrounding the machine. While this is happening some user events may launch the playback of a video (still usi
I\'m trying to import a single movie file twice (2 separate QTMovie ins开发者_如何学Gotances) offset the audio track of the second instance by a second and then mix it with the audio track of the firs
I have an app that composes movies and then plays them via QTMovieView.Each time I [movieView setMovie:newMovie], QTKit creates a开发者_如何学Go new thread that never dies.It also appears that the mov
I have a problem with Quicktime, that means, QTKit. A long time ago I wrote an app,开发者_高级运维 which is using camera devices on Mac OS X. The user could select the camera using a popup box. I popu
Based on a lot of online references, the way to change resolution is using the following code. NSDictionary * pixelBufferAttr = [NSDictionary dictionaryWithObjectsAndKeys:
I\'m trying to create a screen saver that will play a QTMovie, in the ScreenSaverView class. I think I have to use QTMovieView, but I\'m having trouble figuring out how to create and initialize the QT
I\'m trying to extract the raw audio from a movie using QTKit so I can draw a waveform.I\'m using the following code but all of my output frames are zero.Any ideas about what I might be doing wrong?(y
I\'m working on a QTKit project in cocoa where the QT movie is taking up ~70% of开发者_开发知识库 the CPU load. I would like to move some of the processing load onto the GPU, if possible. Does anyone
I\'m trying to achieve a certain effect in Cocoa application. I have several QT movies and a window with buttons that each link to a different movie, and play that movie in the main window. Pretty sim
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