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iphone - Reading audio samples via AVAssetReader - …
https://stackoverflow.com/questions/4972677/reading-audio-samples-via-avassetreader
How do you read audio samples via AVAssetReader? I've found examples of duplicating or mixing using AVAssetReader, but those loops are always controlled by the AVAssetWriter loop. Is it possible just to create an AVAssetReader and read through it, getting each sample and throwing the int32 of each audio sample into an array? Thanks.
Apple Developer Documentation
https://developer.apple.com/documentation/avfoundation/avassetreader
class AVAssetReader: NSObject. Overview. Use an asset reader to read media data from instances of AVAsset. The assets you read may represent file-based media like QuickTime movies or MPEG-4 files, ... An object that reads audio samples that result from mixing audio from one or more tracks.
GitHub - justinlevi/AVAssetReader: Simple example of ...
https://github.com/justinlevi/AVAssetReader
Simple example of working with an AVAssetReader with Swift2 to graph audio data - GitHub - justinlevi/AVAssetReader: Simple example of working with an AVAssetReader with Swift2 to graph audio data
AVAssetReader Class (AVFoundation) | Microsoft Docs
https://docs.microsoft.com/en-us/dotnet/api/avfoundation.avassetreader
An array of AVAssetReaderOutputs that are outputting the reader's data. RetainCount: Returns the current Objective-C retain count for the object. (Inherited from NSObject) Self (Inherited from NSObject) Status: The current status of the AVAssetReader. Superclass (Inherited from NSObject) SuperHandle
Technical Note TN2310: AVFoundation - Timecode …
https://developer.apple.com/library/archive/technotes/tn2310/_index.html
AVAssetReader Reading Timecode. An AVAssetReader object is used to obtain the media data of an asset. Reading a timecode media sample(s) stored in a timecode track is performed in the same manner used to read any other media such as audio or video media using AVAssetReader.
AVFoundation Programming Guide - Export | Will's Blog
http://gewill.org/2016/05/03/AVFoundation-Programming-Guide-Export/
For more in-depth exporting needs, use the AVAssetReader and AVAssetWriter classes. Use an AVAssetReader when you want to perform an operation on the contents of an asset. For example, you might read the audio track of an asset to produce a visual representation of the waveform.
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