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2014/10/15 ¤U¤È 10:04:04

iphone Programming Glossary: asseturl

How can I overlap audio files and combine for iPhone in Xcode?

http://stackoverflow.com/questions/12628554/how-can-i-overlap-audio-files-and-combine-for-iphone-in-xcode

xcode audio overlay share improve this question Here's what I did in my app. void setUpAndAddAudioAtPath NSURL assetURL toComposition AVMutableComposition composition AVURLAsset songAsset AVURLAsset URLAssetWithURL assetURL options nil AVMutableCompositionTrack.. NSURL assetURL toComposition AVMutableComposition composition AVURLAsset songAsset AVURLAsset URLAssetWithURL assetURL options nil AVMutableCompositionTrack track composition addMutableTrackWithMediaType AVMediaTypeAudio preferredTrackID kCMPersistentTrackID_Invalid.. @ mysound ofType @ mp3 NSString URLPath2 NSBundle mainBundle pathForResource @ mysound2 ofType @ mp3 NSURL assetURL1 NSURL fileURLWithPath URLPath1 self setUpAndAddAudioAtPath assetURL1 toComposition composition NSURL assetURL2 NSURL fileURLWithPath..

iPhone: How do I get the file path of an image saved with UIImageWriteToSavedPhotosAlbum()?

http://stackoverflow.com/questions/4457904/iphone-how-do-i-get-the-file-path-of-an-image-saved-with-uiimagewritetosavedpho

viewImage CGImage orientation ALAssetOrientation viewImage imageOrientation completionBlock ^ NSURL assetURL NSError error if error NSLog @ error else NSLog @ url @ assetURL library release And that gets the path of the file you..

Extract iPod Library raw PCM samples and play with sound effects

http://stackoverflow.com/questions/4796643/extract-ipod-library-raw-pcm-samples-and-play-with-sound-effects

loadTrack id sender NSString songPath NSBundle mainBundle pathForResource @ Smooth_Sub Focus_192 ofType @ mp3 NSURL assetURL NSURL alloc initFileURLWithPath songPath AVURLAsset songAsset AVURLAsset URLAssetWithURL assetURL options nil NSError assetError.. ofType @ mp3 NSURL assetURL NSURL alloc initFileURLWithPath songPath AVURLAsset songAsset AVURLAsset URLAssetWithURL assetURL options nil NSError assetError nil AVAssetReader assetReader AVAssetReader assetReaderWithAsset songAsset error &assetError..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

NSString cachedAudioFilepathForMPMediaItem MPMediaItem item NSString assetFolder self class assetCacheFolder NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL NSNumber libraryId item valueForProperty MPMediaItemPropertyPersistentID.. NSNumber libraryId item valueForProperty MPMediaItemPropertyPersistentID NSString assettFileExt assetURL path lastPathComponent pathExtension NSString assetFilename NSString stringWithFormat @ asset_ @. @ libraryId assettFileExt.. assetPictogramFilepath retain assetFileURL retain TSLibraryImport import TSLibraryImport alloc init NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL import importAsset assetURL toURL assetFileURL completionBlock ^ TSLibraryImport..

iPhone:Programmatically compressing recorded video to share?

http://stackoverflow.com/questions/5687341/iphoneprogrammatically-compressing-recorded-video-to-share

library ALAssetsLibrary alloc init autorelease ALAssetsLibraryWriteVideoCompletionBlock completionBlock ^ NSURL assetURL NSError error NSLog @ Saved URL @ assetURL NSLog @ Error @ error if assetURL nil AVURLAsset theAsset AVURLAsset URLAssetWithURL.. ALAssetsLibraryWriteVideoCompletionBlock completionBlock ^ NSURL assetURL NSError error NSLog @ Saved URL @ assetURL NSLog @ Error @ error if assetURL nil AVURLAsset theAsset AVURLAsset URLAssetWithURL NSURL URLWithString videoURL options.. completionBlock ^ NSURL assetURL NSError error NSLog @ Saved URL @ assetURL NSLog @ Error @ error if assetURL nil AVURLAsset theAsset AVURLAsset URLAssetWithURL NSURL URLWithString videoURL options nil NSArray compatiblePresets AVAssetExportSession..

Application crashed while importing songs from Ipod library in Iphone for iOs 5.0

http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5

release data release self UpdateMediaCollection NSString getExtension MPMediaItem item self showLoadingView NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL AVURLAsset songAsset AVURLAsset URLAssetWithURL assetURL options nil JP.. NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL AVURLAsset songAsset AVURLAsset URLAssetWithURL assetURL options nil JP AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset songAsset presetName AVAssetExportPresetPassthrough.. into directory void exportAssetAsSourceFormat MPMediaItem item self showLoadingView NSLog @ export asset called NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL NSLog @ n assetURL @ assetURL absoluteString AVURLAsset songAsset AVURLAsset..

How Do I Get The Correct Latitude and Longitude From An Uploaded iPhone Photo?

http://stackoverflow.com/questions/9319465/how-do-i-get-the-correct-latitude-and-longitude-from-an-uploaded-iphone-photo

@ Latitude self.lng gpsdata valueForKey @ Longitude NSLog @ nLatitude @ nLongitude @ self.lat self.lng NSURL assetURL mediaInfo objectForKey UIImagePickerControllerReferenceURL ALAssetsLibrary library ALAssetsLibrary alloc init library assetForURL.. UIImagePickerControllerReferenceURL ALAssetsLibrary library ALAssetsLibrary alloc init library assetForURL assetURL resultBlock ALAssetsLibraryAssetForURLResultBlock failureBlock ^ NSError error UIImage img mediaInfo objectForKey @ UIImagePickerControllerEditedImage..

ALAsset Photo Library Image Performance Improvements When Its Loading Slow

http://stackoverflow.com/questions/13508535/alasset-photo-library-image-performance-improvements-when-its-loading-slow

failureblock ^ NSError myerror NSLog @ Cant get image @ myerror localizedDescription NSURL asseturl NSURL URLWithString self.photoPath objectAtIndex arrayIndex intValue ALAssetsLibrary assetslibrary ALAssetsLibrary alloc.. objectAtIndex arrayIndex intValue ALAssetsLibrary assetslibrary ALAssetsLibrary alloc init assetslibrary assetForURL asseturl resultBlock resultblock failureBlock failureblock Where itemToAdd is a UIImageView define in interface __block UIImageView.. failureblock ^ NSError myerror NSLog @ Cant get image @ myerror localizedDescription NSURL asseturl NSURL URLWithString self.photoPath objectAtIndex arrayIndex intValue ALAssetsLibrary assetslibrary ALAssetsLibrary alloc..

Unable to load image from asset URL

http://stackoverflow.com/questions/14496910/unable-to-load-image-from-asset-url

failureblock ^ NSError myerror NSLog @ Can't get image @ myerror localizedDescription NSURL asseturl NSURL URLWithString yourURL ALAssetsLibrary assetslibrary ALAssetsLibrary alloc init autorelease assetslibrary assetForURL..

display image from URL retrieved from ALAsset in iPhone

http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone

if mediaurl mediaurl length mediaurl pathExtension isEqualToString AUDIO_EXTENSION largeimage release NSURL asseturl NSURL URLWithString mediaurl ALAssetsLibrary assetslibrary ALAssetsLibrary alloc init autorelease assetslibrary assetForURL.. URLWithString mediaurl ALAssetsLibrary assetslibrary ALAssetsLibrary alloc init autorelease assetslibrary assetForURL asseturl resultBlock resultblock failureBlock failureblock A couple of things to note are that this uses blocks which were new..

Wait for assetForURL blocks to be completed

http://stackoverflow.com/questions/7234445/wait-for-assetforurl-blocks-to-be-completed

code to be executed before to continue but as these blocks are called assynchronously I don't know how to do NSURL asseturl NSMutableArray tmpListAsset NSMutableArray alloc init ALAssetsLibrary library ALAssetsLibrary alloc init autorelease NSMutableArray.. alloc init autorelease NSMutableArray objectsToRemove NSMutableArray alloc init for NSDictionary dico in assetsList asseturl NSURL URLWithString dico objectForKey @ assetUrl NSLog @ asset url @ asseturl Try to load asset at mediaURL library assetForURL.. init for NSDictionary dico in assetsList asseturl NSURL URLWithString dico objectForKey @ assetUrl NSLog @ asset url @ asseturl Try to load asset at mediaURL library assetForURL asseturl resultBlock ^ ALAsset asset If asset doesn't exists if asset..