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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502718-audiofilegetproperty
Discussion. Some Core Audio property values are C types and others are Core Foundation objects. If you call this function to retrieve a value that is a Core Foundation object, then this function—despite the use of “Get” in its name—duplicates the object.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1501691-audiofilegetpropertyinfo
Gets information about an audio file property, including the size of the property value and whether the value is writable.
iphone - AudioFileSetProperty returning ...
https://stackoverflow.com/questions/8658386/audiofilesetproperty-returning-kaudiofileunsupportedpropertyerror-pty
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iphone - Extracting MP3 Album artwork in iOS - Stack …
https://stackoverflow.com/questions/16318821/extracting-mp3-album-artwork-in-ios
CFDictionaryRef piDict = nil; UInt32 piDataSize = sizeof(piDict); // Populates a CFDictionary with the ID3 tag properties err = AudioFileGetProperty(fileID, kAudioFilePropertyInfoDictionary, &piDataSize, &piDict); if(err != noErr) { NSLog(@"AudioFileGetProperty failed for property info dictionary"); return nil; } // Toll free …
42.FFmpeg学习笔记 - iOS硬解码aac - 代码先锋网
https://www.codeleading.com/article/95401990228/
42.FFmpeg学习笔记 - iOS硬解码aac. 本文通过用AudioQueue来播放AAC，其内部会自动进行解码。. 可以设置AudioQueue用硬解码还是软解码。. AudioQueue播放步骤如下：. 1、给buffer填充数据，并把buffer放入就绪的buffer queue；. 2、应用通知队列开始播放；. 3、队列播放第一个填充 ...
How to check metadata of an audio file in iOS
https://findnerd.com/list/view/How-to-check-metadata-of-an-audio-file-in-iOS/21957/
There are 4 parameters to be passed in the function, an AudioFileID object, the property constant, a pointer to the size of the data that is about to receive, and a pointer to receive the value. 12. Again, check the return value and fail if it’s anything other than noErr. 13.
apple-ios-samples/MyOpenALSupport.h at master · …
https://github.com/robovm/apple-ios-samples/blob/master/GLAirplay/GLAirPlay/MyOpenALSupport.h
Contribute to robovm/apple-ios-samples development by creating an account on GitHub. Contribute to robovm/apple-ios-samples development by creating an account on GitHub. Skip to content. Sign up ... err = AudioFileGetProperty (afid, kAudioFilePropertyDataFormat, &thePropertySize, ...
iOS Audio Capabilities - CS50 CDN
http://cdn.cs76.net/2011/spring/seminars/ios-3/seminar-ios-3.pdf
•C library for iOS (very fast and flexible) •Allows you to construct audio streams for whatever task you want. Possible applications include: –Apply effects to an audio stream –Flattening audio streams –Merging audio streams –Converting audio …
Can't play AAC files using AudioQueue | MacRumors Forums
https://forums.macrumors.com/threads/cant-play-aac-files-using-audioqueue.1710436/
// // first check to see what the max size of a packet is, if it is bigger than our default // allocation size, that needs to become larger UInt32 maxPacketSize; UInt32 propSize = sizeof(maxPacketSize); CheckError(AudioFileGetProperty(inAudioFile, kAudioFilePropertyPacketSizeUpperBound, &propSize, &maxPacketSize), "couldn't get file's …
实战AudioToolbox－－在iOS平台上播放音频 - 编程猎人
https://www.programminghunter.com/article/5484210400/
标签： iOS开发生涯 iOS AudioQueue 笔谈与实战(原创) 上午看了关于AudioToolbox.framework相关的资料，结合网上的资料对AudioToolbox的基本使用有了整体上的认识，上一篇文章 笔谈AudioToolbox（一） 中提到使用AudioQueue来实现音频播放功能时最主要的步骤：
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