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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1440371-audiounitsetproperty
Discussion. To clear an audio unit property value, set the inData parameter to NULL and set the inDataSize parameter to 0. Clearing properties works only for …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1439840-audiounitgetproperty
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. You are responsible for releasing the object, as described in The Create Rule in ...
c++ - CoreAudio AudioUnitSetProperty always fails to set ...
https://stackoverflow.com/questions/2170523/coreaudio-audiounitsetproperty-always-fails-to-set-sample-rate
I need to change the output sample rate from 44.1 to 32.0, but it always throws an error, Out: AudioUnitSetProperty-SF=\217\325\377\377, -10865. I don't know why it …
ios - AudioUnitSetProperty fails with -10868 when setting ...
https://stackoverflow.com/questions/11456068/audiounitsetproperty-fails-with-10868-when-setting-kaudiounitproperty-streamfor
AudioUnitSetProperty fails with -10868 when setting kAudioUnitProperty_StreamFormat to AAC. Ask Question Asked 9 years, 6 months ago. Active 7 years, 9 months ago. Viewed 2k times 0 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:
CoreAudio AudioUnitSetProperty always fails to set Sample Rate
https://www.py4u.net/discuss/1355333
CoreAudio AudioUnitSetProperty always fails to set Sample Rate . I need to change the output sample rate from 44.1 to 32.0, but it always throws an error, Out: AudioUnitSetProperty-SF=217325377377, -10865. I don't know why it will let me set it for input, but then not set it …
Audio Unit详解 - 简书 - jianshu.com
https://www.jianshu.com/p/8ce865c9bbac
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： kAudioOutputUnitProperty_EnableIO：用于在I/O unit上启用和禁用input or output。默认情况输出已启用，输入已禁用 kAudioUnitProperty_ElementCount：用于配置mixer unit上输入elements的 ...
iOS音频(2)——Audio Unit - 简书
https://www.jianshu.com/p/9f033d08accb
UInt32 one = 1; AudioUnitSetProperty(outputUnit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &one, sizeof(one)); 三、数据处理 3.1、AURenderCallbackStruct. 在Audio Unit存储输入的数据和提供播放输出数据都是通过RenderCallback函数，通过AudioUnitSetProperty与输入输出回调相关联。
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