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AVAssetReaderTrackOutput Class (AVFoundation) | …
https://docs.microsoft.com/en-us/dotnet/api/avfoundation.avassetreadertrackoutput
AVAssetReaderTrackOutput(AVAssetTrack, NSDictionary) AVAssetReaderTrackOutput(IntPtr) ... The algorithm used to maintain pitch in the face of scaled audio editing. Class (Inherited from NSObject) ClassHandle: The handle for this class. ... the output's settings. RetainCount: Returns the current Objective-C retain count for the object.
[Swift] Using AVAssetWriter to compress video ... - Medium
https://medium.com/samkirkiles/swift-using-avassetwriter-to-compress-video-files-for-network-transfer-4dcc7b4288c5
AVAssetReaderTrackOutput — We create asset reader outputs for both audio ... Here is the link to the settings you can apply ... Now we will create our AVAssetReaderTrackOutput for both audio and ...
Apple Developer Documentation
https://developer.apple.com/documentation/avfoundation/avassetreadertrackoutput
The AVAssetReaderTrackOutput class can only produce uncompressed output. For audio output settings, this means that AVFormatIDKey must be kAudioFormatLinearPCM. For video output settings, this means that the dictionary must contain values for uncompressed video output, as defined in Video Settings.
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.
AVFoundation Programming Guide - Export - Will's Blog
http://gewill.org/2016/05/03/AVFoundation-Programming-Guide-Export/
// Create the audio mix output with the audio tracks and decompression setttings. AVAssetReaderOutput *audioMixOutput = [AVAssetReaderAudioMixOutput assetReaderAudioMixOutputWithAudioTracks:audioTracks audioSettings:decompressionAudioSettings]; // Associate the audio mix used to mix the audio …
How to make live photo and save it in ... - Develop Paper
https://developpaper.com/how-to-make-live-photo-and-save-it-in-photo-library/
AVAssetReaderTrackOutput can only produce uncompressed output. For audio output settings, this means that AVFormatIDKey must be kAudioFormatLinearPCM. For video output settings, this means that the dictionary must follow the rules for uncompressed video output, as laid out in AVVideoSettings.h.
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