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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1440371-audiounitsetproperty
The audio unit property identifier. inScope The audio unit scope for the property. inElement The audio unit element for the property. inData The value that you want to apply to the property. May be NULL (see Discussion). Always pass property values by reference. For example, for a property value of type CFStringRef, pass it as &myCFString.
ios - AudioUnitSetProperty fails with -10868 when setting ...
https://stackoverflow.com/questions/11456068/audiounitsetproperty-fails-with-10868-when-setting-kaudiounitproperty-streamfor
I want to use the to encode the output of a AUGraph as AAC (on iOS 5.1). The basic topology of the graph looks like this: inputs --> MixerUnit --> pcm2aac --> aac2pcm --> RemoteIO I want to to grab the AAC-encoded data as it's playing via a PostRenderCallback on pcm2aac and then send it via UDP to our server application.
iOS音频(2)——Audio Unit - 简书 - jianshu.com
https://www.jianshu.com/p/9f033d08accb
iOS音频(2)——Audio Unit. 一、Audio Unit综述 ... AudioUnitSetProperty( AudioUnit inUnit, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, const void * __nullable inData, UInt32 inDataSize) AudioUnitPropertyID 设置属性名称 ...
Audio Unit详解 - 简书 - jianshu.com
https://www.jianshu.com/p/8ce865c9bbac
iOS根据功能提供了七种audio unit，分为四类，如下图： ... 七、AudioUnitSetProperty配置audio unit. AudioUnitProperty是一个键值对。以下是audio unit开发中常用的一些属性： ...
iOS: How to resample audio(PCM data) using Audio Unit at ...
https://www.py4u.net/discuss/75267
iOS: How to resample audio(PCM data) using Audio Unit at runtime? How can i resample audio(PCM data) using Audio Unit at runtime/live ? ... // Enable IO for playback status = AudioUnitSetProperty(audioUnit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, kOutputBus , &flag, sizeof (flag ...
Bluetooth A2DP as output | Apple Developer Forums
https://developer.apple.com/forums/thread/5787
Just wanted to update this thread from awhile back and mention it is in fact possible (as of iOS 10) to use the iPhone Microphone as input and Bluetooth A2DP headset as audio output at the same time within a single App.
How to do realtime recording with effect processing on iOS
http://teragonaudio.com/article/How-to-do-realtime-recording-with-effect-processing-on-iOS.html
Starting audio processing. At this point, everything is ready to go and we can tell the OS to start recording and sending us data. int startAudioUnit (AudioUnit *audioUnit) { if (AudioUnitInitialize (*audioUnit) != noErr) { return 1; } if (AudioOutputUnitStart (*audioUnit) != noErr) { return 1; } …
WebRTC源码分析之IOS Audio Unit_云上听风的博客-程序员秘密 - …
https://cxymm.net/article/gamereborn/80232453
AudioComponent found_vpio_unit_ref = AudioComponentFindNext (nullptr, &vpio_unit_description); // Create a Voice Processing IO audio unit. OSStatus result = noErr; result = AudioComponentInstanceNew (found_vpio_unit_ref, &vpio_unit_); if (result != noErr) { vpio_unit_ = nullptr; RTCLogError (@"AudioComponentInstanceNew failed.
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