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ios - How to interleave a non-interleaved AudioBufferList ...
https://stackoverflow.com/questions/65911406/how-to-interleave-a-non-interleaved-audiobufferlist-inside-a-render-callback
For the process loop of the tap, I used PdAudioUnits render callback code as a guide; but I realized recently that the audio format expected by libpd is not the same as the audio coming from the tap — that is, the tap is providing two buffers of non-interleaved audio data in the incoming AudioBufferList, whereas libpd expects interleaved ...
AudioBuffers Class (AudioToolbox) | Microsoft Docs
https://docs.microsoft.com/en-us/dotnet/api/audiotoolbox.audiobuffers
For non-interleaved stereo buffers, there are two buffers, the left samples are stored in one buffer and the right samples are stored on the other one. This is an immutable data structure, if you are looking for a mutable version, see the T:AudioToolbox.MutableAudioBufferList.
Apple Developer Documentation
https://developer.apple.com/documentation/coreaudiotypes/audiobufferlist
The AudioBufferList structure provides a mechanism for encapsulating one or more buffers of audio data. It is used by functions in various Core Audio APIs, as described in Audio Converter Services, Audio Unit Component Services, and Extended Audio File Services.
EZAudioUtilities Class Reference
https://bbc.github.io/dvbcss-synckit-ios/latest/AudioPlayerEngine/Classes/EZAudioUtilities.html
Make sure to call freeBufferList when done using AudioBufferList or it will leak. - parameter: frames The number of frames that will be stored within each audio buffer - parameter: channels The number of channels (e.g. 2 for stereo, 1 for mono, etc.) - parameter: interleaved Whether the samples will be interleaved (if not it will be assumed to be non-interleaved and each channel …
鮭山日記: non-interleaved(kAudioFormatFlagIsNonInterleaved)な ...
https://shake-yama.blogspot.com/2016/07/non-interleavedkaudioformatflagisnonint.html
とすると良いかもしれません。 参考: Core Audio その1 AudioBufferとAudioBufferList | Objective-Audio 2. AudioStreamBasicDescription(ASBD)の設定方法 non-interleavedの場合、ASBDのmBytesPerFrameは1チャンネルのみのバイトサイズを指定する必要があります。
The Amazing Audio Engine: AEUtilities.h File Reference
https://theamazingaudioengine.com/doc/_a_e_utilities_8h.html
32-bit floating-point PCM audio description, non-interleaved, 44.1kHz ... It will create a local AudioBufferList* variable on the stack, with a name given by the first argument, copy the original AudioBufferList structure values, and offset the mData and mDataByteSize variables.
ios Core audio: how to get samples from AudioBuffer …
https://stackoverflow.com/questions/38038822/ios-core-audio-how-to-get-samples-from-audiobuffer-with-interleaved-audio
So we got and interleaved audio with 2 channels with 16 bits signed int for each channel. AudioBufferList init: UInt32 *audioData = (UInt32 *) calloc (totalFramesInFile, sizeof (UInt32)); AudioBufferList *bufferList; bufferList = (AudioBufferList *) malloc (sizeof (AudioBufferList)); // buffers amount is 1 because audio is interleaved bufferList …
coreaudio-examples/main.cpp at master · rweichler ...
https://github.com/rweichler/coreaudio-examples/blob/master/CH08_AUGraphInput/main.cpp
printf (" format is non-interleaved \n "); // allocate an AudioBufferList plus enough space for array of AudioBuffers: UInt32 propsize = offsetof (AudioBufferList, mBuffers [0]) + (sizeof (AudioBuffer) * player-> streamFormat. mChannelsPerFrame); // malloc buffer lists: player-> inputBuffer = (AudioBufferList *) malloc (propsize);
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