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Playing Audio Files with QTKit - meandmark.com
http://www.meandmark.com/qtkitaudiopart1.html
With QTKit you can use the same set of code to play any audio file whose format QuickTime supports. Apple introduced QTKit in Mac OS X 10.4. If you want to support earlier versions of Mac OS X, you must either use QuickTime’s C API, which I covered in a previous article , or use the NSMovie class.
objective c - using QTkit for recording audio - Stack …
https://stackoverflow.com/questions/2937720/using-qtkit-for-recording-audio
1 In order to capture audio only, you have to either select the default device that supports sounds, or disable video connection on muxed devices. // Get the default sound capture device QTCaptureDevice *theDefaultSoundDevice = [QTCaptureDevice defaultInputDeviceWithMediaType: QTMediaTypeSound];
QTKit Capture - Apple Inc.
https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/QTKitApplicationProgrammingGuide/UsingQTKit/UsingQTKit.html
The QTKit capture API is optimized to provide capturing real-time media from devices such as iSight cameras, camcorders and tape decks, microphones and audio interfaces. The captured media can then be outputted to QuickTime movies, audio and video previews, as well as raw decompressed frames for further processing.
Technical Note TN2300: Transitioning QTKit Code to AV ...
https://developer.apple.com/library/archive/technotes/tn2300/_index.html
Introduced in OS X 10.4, QTKit provides a set of Objective-C classes and methods designed to handle the basic tasks of playback, editing, export, audio/video capture and recording, in addition to a number of other multimedia capabilities.
Adding Audio Input and DV Camera Support
https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/QTKitApplicationTutorial/AddingAudioInputandDVCameraSupport/AddingAudioInputandDVCameraSupport.html
Adding Audio Input and DV Camera Support. If you worked through the sequence of steps outlined in the previous chapter, you’re now ready to extend the functionality of your QTKit recorder application. In this chapter, you add audio input capability to your recorder application, as well as support for input from DV cameras.
Introduction - Apple Developer
https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/QTKitApplicationProgrammingGuide/Introduction/Introduction.html
QTKit is a Cocoa-based, Objective-C framework (QTKit.framework) with a rich and evolving API for manipulating time-based media.Introduced in OS X v10.4, QTKit provides a set of Objective-C classes and methods specifically designed to handle the basic chores of playback, editing, export, audio/video capture and recording, in addition to a number of other multimedia capabilities.
QTKit Architecture - Apple Developer
https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/QTKitApplicationProgrammingGuide/AnatomyoftheQTKFramework/AnatomyoftheQTKFramework.html
QuickTime and QTKit are graphics and media frameworks that reside in OS X, which includes Core Video, Core Image and Core Animation, as well as OpenGL, Quartz and Core Audio. To better understand these frameworks, you can view their implementation depicted graphically as a set of layers, shown in Figure 1-1.
Playing the File - Me and Mark
http://www.meandmark.com/qtkitaudiopart3.html
Playing a QTKit movie once is simple. Call the play method. QTMovie* soundToPlay; [soundToPlay play]; Playing a Movie Repeatedly. Games like to loop background music to avoid having to supply hours of audio for the game. Looping a movie is …
QTKit | Cocoa Is My Girlfriend
http://www.cimgf.com/category/frameworks/qtkit/
While it’s easy to find a marker visually in the video tracks, it wasn’t quite so clear as to how to set a marker in an audio track. In this tutorial, I’ll demonstrate how to create an audio scrub utility that will play a short audio clip when you drag an NSSlider. It shows the current time code of the track while you update the slider.
QTKit download | SourceForge.net
https://sourceforge.net/projects/qtkit/
Download QTKit for free. Tired of waiting for Apple to really support QuickTime in Cocoa? QTKit is a project by and for Cocoa developers to provide full access to …
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