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ios - Why did AudioQueueAllocateBuffer fail? - Stack …
https://stackoverflow.com/questions/70420477/why-did-audioqueueallocatebuffer-fail
OSStatus status = AudioQueueAllocateBuffer (_audioQueue, MIN_SIZE_PER_FRAME, &audioQueueBuffers [i]); After that, All the AudioQueue APIs will return the error -66671. The official documents define as below. kAudioQueueErr_QueueInvalidated In iOS, the audio server has exited, causing the audio queue to become invalid.
iphone - AudioQueueEnqueueBuffer failing - Stack Overflow
https://stackoverflow.com/questions/6136064/audioqueueenqueuebuffer-failing
I've tried modifying the size of the buffer I allocate, which has no effect (and the call to AudioQueueAllocateBuffer does not fail anyway). I've tried switching the order of calls between AudioQueueStart and the buffer allocation and enqueueing calls, to no effect. I've checked the comments in AudioQueue.h, and I'm not seeing what I'm doing wrong.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502248-audioqueueallocatebuffer
Parameters. inAQ. The audio queue you want to allocate a buffer. inBufferByteSize. The desired capacity of the new buffer, in bytes. Appropriate capacity depends on the processing you will perform on the data as well as on the audio data format. outBuffer. On output, points to the newly allocated audio queue buffer.
AudioQueueTutorial/AudioQueueRecorder.swift at ... - …
https://github.com/tomisacat/AudioQueueTutorial/blob/master/AudioQueueTutorial/AudioQueueRecorder.swift
if AudioQueueAllocateBuffer (queue!, info. bufferByteSize, & buffer) == noErr { info. mBuffers. append (buffer!) } AudioQueueEnqueueBuffer (queue!, buffer!, 0, nil) } } deinit { if let audio = info. mAudioFile { AudioFileClose (audio) info. mAudioFile = nil } if let queue = info. mQueue { AudioQueueDispose (queue, true) info. mQueue = nil } } }
Can't play AAC files using AudioQueue | MacRumors Forums
https://forums.macrumors.com/threads/cant-play-aac-files-using-audioqueue.1710436/
AAC works just fine with AQ here. Here's a working player (a direct iOS port of the one in Ch. 5 of teh Core Audio book) I've tested with an AAC file on my 7.0.4 iPhone 5:
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