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2014/10/15 ¤U¤È 10:13:09

iphone Programming Glossary: realtime

Capture 60fps in iPhone app

http://stackoverflow.com/questions/10344637/capture-60fps-in-iphone-app

feature I can't help but feel a little disappointed as AVCaptureMovieFileOutput rules out a lot of fun things e.g. realtime effects with GL shaders recording start stop without frame loss . cake eat it 59 if you're still running iOS 5.0.1 share..

Should I be worried about rumors that Apple will stop using Google Maps in iOS6? [closed]

http://stackoverflow.com/questions/10964585/should-i-be-worried-about-rumors-that-apple-will-stop-using-google-maps-in-ios6

on the iOS MapKit framework and iOS location services to display current geolocation of buses on a given route in realtime and to provide transit information between two locations. According to Apple the iOS MapKit framework uses Google services..

Intercepting/Hijacking iPhone Touch Events for MKMapView

http://stackoverflow.com/questions/1121889/intercepting-hijacking-iphone-touch-events-for-mkmapview

two problems zoom in gesture is always interpreted as a zoom out none of the zoom gestures update the Map's view in realtime. In hitTest if I return the map view the MKMapView functionality works great but I don't get the opportunity to intercept..

UITextField for Phone Number

http://stackoverflow.com/questions/1246439/uitextfield-for-phone-number

touch iphone sdk 3.0 share improve this question Here is my solution.. works great Formats the phone number in realtime. Note This is for 10 digit phone numbers. And currently it auto formats it like xxx xxx xxxx.. tweak to your hearts delight...

Measuring velocity via iPhone SDK

http://stackoverflow.com/questions/1994018/measuring-velocity-via-iphone-sdk

Drawing path by Bezier curves

http://stackoverflow.com/questions/2956967/drawing-path-by-bezier-curves

path by Bezier curves I have a task draw smooth curve input set of points they added in realtime current solution I use each 4 points to draw qubic Bezier curve 1 strart 2 and 3rd control points 4 end . End point of each..

How can you track motion using the iPhone's camera?

http://stackoverflow.com/questions/3933716/how-can-you-track-motion-using-the-iphones-camera

GPU Gems 3 book . The basic idea is that you can use custom GLSL shaders to process images from the iPhone camera in realtime determining which pixels match a target color within a given threshold. Those pixels then have their normalized X Y coordinates..

Simple embeddable MidiSynth for iOS?

http://stackoverflow.com/questions/4240391/simple-embeddable-midisynth-for-ios

is not just a SMF file player you want a full function GS GM softsynth which can response individual midi events in realtime. You can try the midisynth from CrimsonTech . Its license fee is fair. Crimsontech provides several demo apps in the appstore...

How do I convert the live video feed from the iPhone camera to grayscale?

http://stackoverflow.com/questions/4381513/how-do-i-convert-the-live-video-feed-from-the-iphone-camera-to-grayscale

frames. However I'd recommend using OpenGL directly to do the image processing because you won't be able to achieve realtime results on current hardware otherwise. For OpenGL ES 1.1 devices I'd look at using Apple's GLImageProcessing sample application..

Determining Image Luminance/Brightness

http://stackoverflow.com/questions/4876315/determining-image-luminance-brightness

Image Luminance Brightness My iphone application captures the realtime data from camera using AVFoundation's AVCaptureSession. I'm able to access that data in it's delegate method in runtime..

How to apply “filters” to AVCaptureVideoPreviewLayer

http://stackoverflow.com/questions/5156872/how-to-apply-filters-to-avcapturevideopreviewlayer

a sample application here where I grab frames from the camera and apply OpenGL ES 2.0 shaders to process the video in realtime for display. In this application explained in detail here I was using color based filtering to track objects in the camera..

Realtime Audio/Video Streaming FROM iPhone to another device (Browser, or iPhone)

http://stackoverflow.com/questions/5719538/realtime-audio-video-streaming-from-iphone-to-another-device-browser-or-iphone

There are four ways I can think of... Capture frames on iPhone send frames to mediaserver have mediaserver publish realtime video using host webserver. Capture frames on iPhone convert to images send to httpserver have javascript AJAX in browser..

UIDatePicker in UITextField in UITableView realtime update

http://stackoverflow.com/questions/6208118/uidatepicker-in-uitextfield-in-uitableview-realtime-update

in UITextField in UITableView realtime update This question has been bugging me a LOT lately. Any help would be appreciated. These were my objectives Setup a..

Are the Core Image filters in iOS 5.0 fast enough for realtime video processing?

http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing

the Core Image filters in iOS 5.0 fast enough for realtime video processing Now that Apple has ported the Core Image framework over to iOS 5.0 I'm wondering is Core Image is fast.. I did some work in this area recently and found that the iPhone 4 could do 60 FPS processing using a simple shader on realtime video being fed in at a 480 x 320. You could download my sample application there and attempt to customize the shader and..

How to do a motion blur effect on an UIImageView in Monotouch?

http://stackoverflow.com/questions/7475610/how-to-do-a-motion-blur-effect-on-an-uiimageview-in-monotouch

to do a motion blur effect on an UIImageView in Monotouch What's the way to do a realtime motion blur in MonoTouch I need to apply a motion blur effect on an UIImageView when scrolling an inertial picture gallery.. CocoaTouch or in CoreAnimation or anywhere in the iOS SDK. Is there some 2D effects library usable from MonoTouch with realtime blur filters that are good for the iPhone Thanks in advance. iphone ios uiimageview monotouch blur share improve this..

Record the drawing as a m4v video file - OpenGL

http://stackoverflow.com/questions/9661259/record-the-drawing-as-a-m4v-video-file-opengl

outputSettings assetWriterVideoInput.expectsMediaDataInRealTime YES You need to use BGRA for the video in order to get realtime encoding. I use a color swizzling shader to line up glReadPixels' normal RGBA output with the movie input's BGRA. NSDictionary..

avassetwriter with greenscreen or chromakey

http://stackoverflow.com/questions/9756554/avassetwriter-with-greenscreen-or-chromakey

this question Yes there is. I just added a chroma key filter to my GPUImage framework which should let you do realtime green screen effects from camera image or movie sources. You just need to use a GPUImageChromaKeyBlendFilter set the color..

Converting a UIImage black'n white and not grayscale for using tesseract

http://stackoverflow.com/questions/9992078/converting-a-uiimage-blackn-white-and-not-grayscale-for-using-tesseract

than handling raw data so these filters are much faster when acting on direct video or movie sources and can run in realtime for those inputs. I also have a raw pixel data output which might be faster for use with Tesseract. share improve this..