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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.
Reading audio samples via AVAssetReader from http ...
https://gist.github.com/naotokui/1344583
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objective c - reading samples with AVAssetReader and ...
https://stackoverflow.com/questions/13210684/reading-samples-with-avassetreader-and-timerange-in-real-time
In fact AVAssetReader fades the first 1024 samples (maybe a little more) in. That's why you hear the jitter effect. I fixed it by reading 1024 samples before the position I really want to read, then skip that 1024 samples. I hope it'll work for you also.
AVAssetReaderAudioMixOutput Class (AVFoundation ...
https://docs.microsoft.com/en-us/dotnet/api/avfoundation.avassetreaderaudiomixoutput
A type of AVAssetReaderOutput that reads audio samples that result from mixing one or more tracks from an AVAssetReader. In this article Definition Constructors Properties Methods Extension Methods Applies to See also C#
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.
Crash -[AVAssetReader setTimeRange:] cannot be called ...
https://github.com/fulldecent/FDWaveformView/issues/91
It happens after fixing that issue i think #76 That crash occurs in case with tableView with audio cells (7-8 cells with short audio) func sliceAsset(withRange slice: Range, andDownsampleTo targetSamples: Int, done: (_ samples: [CGFloat]...
AVFoundation Programming Guide - Export - Will's Blog
http://gewill.org/2016/05/03/AVFoundation-Programming-Guide-Export/
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. To produce an asset from media such as sample buffers or still images, use an AVAssetWriter object.
Technical Note TN2310: AVFoundation - Timecode Support ...
https://developer.apple.com/library/archive/technotes/tn2310/_index.html
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.
AVAssetReaderOutput Class (AVFoundation) | Microsoft Docs
https://docs.microsoft.com/en-us/dotnet/api/avfoundation.avassetreaderoutput
A base class that defines an interface for reading a collection of audiovisual samples from an AVAssetReader object. In this article [Foundation.Register("AVAssetReaderOutput", true)] [ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.WatchOS, ObjCRuntime.PlatformArchitecture.All, null)] public class AVAssetReaderOutput : …
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