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ios - Audio Queue : AudioQueueStart returns -50 - Stack ...
https://stackoverflow.com/questions/12650263/audio-queue-audioqueuestart-returns-50
I'm trying to write a microphone power meter module in a GLES app (Unity3d). It works fine in UIKit application. But when I integrate into my unity3d project, the AudioQueue cannot start property.The result code of calling AudioQueueStart is always -50, but what does -50 mean? I can't find a reference in iOS Developer Library.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502689-audioqueuestart
The time at which the audio queue should start. To specify a start time relative to the timeline of the associated audio device, use the m Sample Time field of the Audio Time Stamp structure. Use NULL to indicate that the audio queue should start as soon as possible.
AudioConverterNew returned -50
https://www.py4u.net/discuss/119817
The call to AudioQueueStart returns -50 (bad parameter) and I can't figure what's wrong... I would really appreciate some help, thanks in advance :-) Asked By: Thierry Cantet
iOS录音后播放声音小,AudioSessionInitialize …
https://www.programminghunter.com/article/8249411041/
iOS录音后播放声音小,AudioSessionInitialize failed,AudioQueueStart failed (-50)，编程猎人，网罗编程知识和经验分享，解决编程疑难杂症。
Giving Permission for Microphone to a Native Custom Audio ...
https://forum.unity.com/threads/giving-permission-for-microphone-to-a-native-custom-audio-library-in-ios.1081664/
oRet = AudioQueueStart(m_aqAudioQueue, NULL); this call to AudioQueueStart return -50, invalid parameter. However, this very same library works with native xcode projects. Last edited: Mar 26, 2021. fatih_k, Mar 25, 2021 #1. MertYucel likes this. joshuacwilde. Joined:
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