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Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1503207-audioqueuenewoutput
The run loop mode in which to invoke the callback function specified in the inCallbackProc parameter. Typically, you pass kCFRunLoopCommonModes or use NULL, which is equivalent. You can choose to create your own thread with your own run loops. For more information on run loops, see Run Loops and CFRunLoop.
iphone - AudioQueue does not output any sound - Stack …
https://stackoverflow.com/questions/3384152/audioqueue-does-not-output-any-sound
I have trouble getting sound output on my iPhone experiment and I'm out of ideas. Here is my callback to fill the Audio Queue buffer. void AudioOutputCallback(void *user, AudioQueueRef refQueue, AudioQueueBufferRef inBuffer) { NSLog(@"callback called"); inBuffer->mAudioDataByteSize = 1024; gme_play((Music_Emu*)user, 1024, (short *)inBuffer …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1501687-audioqueuenewinput
The run loop mode in which to invoke the callback function specified in the in Callback Proc parameter. Typically, you pass k CFRun Loop Common Modes or use NULL, which is equivalent.You can choose to create your own thread with your own run loops.
iPhone Low Level Audio Part II : AudioQueue Output ...
http://mauvilasoftware.com/iphone_software_development/2008/04/iphone-low-level-audio-part-ii.html
AudioQueueNewOutput - creates the new output system...you specify your callback function here. 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.
AudioFileStream, CFReadStream and AudioQu… - Apple Community
https://discussions.apple.com/thread/1629067
AudioQueueNewOutput(&playState.mDataFormat, AudioOutputCallBack, &playState, CFRunLoopGetCurrent(), kCFRunLoopCommonModes, 0, &playState.mQueue); playState.playing = true; for (int i=0; i<NUM_BUFFERS && playState.playing; i++) {status = AudioQueueAllocateBuffer(playState.mQueue, BUFSIZE, &playState.mBuffers);
4.3.1 使用AudioQueueNewOutput播放音频 · Play and Record with ...
https://cz-it.gitbooks.io/play-and-record-with-coreaudio/content/audiotoolbox/audioqueue/player.html
4.3.1 使用AudioQueueNewOutput播放音频 4.3.2 使用AudioQueueNewInput录制音频 4.4 系统音播放 5. 世界最底层的AudioUnit 5.1 AudioUnit模式 5.2 本地回环 5.3 多路混音 5.4 播放MP3文件 ...
An unknown error occurred (1718449215 - Apple Community
https://discussions.apple.com/thread/4425872
Same problem here - Mountain Lion, Quicktime refuses to Export To both iPhone/iPod and iPad/iPhone/AppleTV. More Less. Nov 9, 2012 12:02 PM Reply Helpful (3) Thread reply - more options. Link to this Post; User profile for user: Davide Barranca Davide Barranca User ...
Core Audio Essentials - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
The iPhone converter unit’s canonical data format is 8.24-bit fixed-point PCM. It converts to or from this format. Programmatically, this is the kAudioUnitSubType_AUConverter unit. I/O unit—Provides real-time audio input and output and performs sample rate conversion as needed. Programmatically, this is the kAudioUnitSubType_RemoteIO unit.
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:
iphone 播放amr_沸腾的泪水的专栏_amr - 彭城网
https://www.pcclz.com/news/amr%C2%A0.html
首页; iphone 播放amr_沸腾的泪水的专栏; Q iphone 播放amr_沸腾的泪水的专栏. 2017-12-27 // // AMRPlayer.m
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