Iphone Audioqueueallocatebuffer

Apple Developer Documentation

https://developer.apple.com/documentation/audiotoolbox/1502248-audioqueueallocatebuffer

ios - Why did AudioQueueAllocateBuffer fail? - Stack …

https://stackoverflow.com/questions/70420477/why-did-audioqueueallocatebuffer-fail

iphone - AudioQueueEnqueueBuffer failing - Stack Overflow

https://stackoverflow.com/questions/6136064/audioqueueenqueuebuffer-failing

AudioFileStream, CFReadStream and AudioQu ... - Apple

https://discussions.apple.com/thread/1629067

status = AudioQueueAllocateBuffer(playState.mQueue, BUFSIZE, &playState.mBuffers); //AudioOutputCallBack(&playState, playState.queue, playState.buffers); if (status !=0) printf("Error Allocating Buffer %d ", i);} playState.mReady = true;} else if (inPropertyID == kAudioFileStreamProperty_DataFormat) {//setupAudioFormat(&playState.mDataFormat);

iPhone Low Level Audio Part II : AudioQueue Output ...

http://mauvilasoftware.com/iphone_software_development/2008/04/iphone-low-level-audio-part-ii.html

AudioQueueAllocateBuffer - this is called each time you want to create a buffer. So you would probably want to call this three times. AudioQueueStart - this starts the AudioQueue...surprise. The example has a while-loop following the AudioQueueStart. This is needed if you are running the AudioQueue in its own thread.

AudioQueueTutorial/AudioQueueRecorder.swift at ... - …

https://github.com/tomisacat/AudioQueueTutorial/blob/master/AudioQueueTutorial/AudioQueueRecorder.swift

Play Beep Sound in iphone Related to the Frequency & Decibels

https://www.py4u.net/discuss/1613092

Answer #1: This class allows you to play a beep at a given frequency, and with a given amplitude. It uses AudioQueues from AudioToolbox.framework. It's just a sketch, many things should be refined, but the mechanism for creating the signal works. The usage is pretty straightforward if you see the @interface.

Using AudioQueue and Swift to do a simple stream ... - GitHub

https://gist.github.com/zonble/635ea00cb125bc50b3f5880e16ba71b7

var buffer: AudioQueueBufferRef = nil status = AudioQueueAllocateBuffer (outputQueue, UInt32 (totalSize), & buffer) assert (noErr == status) buffer. memory. mAudioDataByteSize = UInt32 (totalSize) let selfPointer = unsafeBitCast ( self, UnsafeMutablePointer<Void>. self) buffer. memory. mUserData = selfPointer var copiedSize = 0

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: