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iphone - AudioQueueEnqueueBuffer failing - Stack Overflow
https://stackoverflow.com/questions/6136064/audioqueueenqueuebuffer-failing
A search with Spotlight reveals that "66686" is to be found in AudioQueue.h: kAudioQueueErr_BufferEmpty = -66686. So, whatever you are trying to do, the buffer is empty. From a quick look at the code above, it looks to me like the SpeakHere recording code. However, you've set it up above for playback.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1502779-audioqueueenqueuebuffer
The audio queue that owns the audio queue buffer. inBuffer The audio queue buffer to add to the buffer queue. inNumPacketDescs The number of packets of audio data in the inBuffer parameter. Use a value of 0 for any of the following situations: When playing a constant bit rate (CBR) format. When the audio queue is a recording (input) audio queue.
AudioQueue实现音频流实时播放实战 - 简书
https://www.jianshu.com/p/e92b84e4520e
需求 使用Audio Queue实现实时播放音频流数据.这里以一个装着pcm数据的caf文件为例进行播放. 实现原理 借助数据传输队列,将无论任务数据源的音频数据装入队列中,...
AudioQueue 录音与播放 - 简书
https://www.jianshu.com/p/c5a05116ecb2
主要部分： 播放pcm文件流 实时录音和播放 AudioQueue播放pcm文件流 导入头文件定义所需变量 读pcm文件 设置音频参数 注意：此时设置的音频参数需要和pcm文...
Old AudioQueue Sample Code - GitHub
https://gist.github.com/coneybeare/1467428
// magic cookies are not used by linear PCM audio. this method is included here // so this app still works if you change the recording format to one that uses // magic cookies. - (void) copyMagicCookieToQueue: (AudioQueueRef) queue fromFile: (AudioFileID) file {UInt32 propertySize = sizeof (UInt32); OSStatus result = AudioFileGetPropertyInfo (file,
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