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objective c - Reading audio with Extended Audio File ...
https://stackoverflow.com/questions/2450248/reading-audio-with-extended-audio-file-services-extaudiofileread
ExtAudioFileRead will only fill buffer[0] in the AudioBufferList, you could then have that pointing to different manually allocated buffers as the audio plays. hope this helps. Share Follow answered Apr 5 '10 at 22:16 atnmachineatnmachine 2922 bronze badges 1
Apple Developer Documentation
https://developer.apple.com/documentation/coreaudiotypes/audiobufferlist
Overview 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 …
👨 ️ 🈵 🦓 Saving AudioBuffer lists from ExtAudioFile API ...
https://geek-answers.imtqy.com/articles/1296012/index.html
However, when you try to access the audioBufferList-> mBuffers [0] .mData files after storing the sound buffer lists in NSPointerArray, they simply return to zero. I have been memcpying audioBufferLists for new audioBufferList objects since I am reusing the same sound buffer list for every call to ExtAudioFileRead.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1486821-extaudiofileread
Discussion. If the extended audio file object has an application data format, then the object’s converter converts the file data to the application format. This function works only on a single thread. If you want your application to read an audio file on multiple threads, use Audio File Services instead.
ios Core audio: how to get samples from ... - Stack Overflow
https://stackoverflow.com/questions/38038822/ios-core-audio-how-to-get-samples-from-audiobuffer-with-interleaved-audio
@user3078414, not quite. I do not want to convert at all. I have an audio file with interleaved audio and SInt16 values per channel. The goal is to write it into AudioBufferList and keep it in memory. This render callback is fired when RemoteIO AudioUnit requests new portion of sound, and I want in real time modify samples for each channel.
intermitente extaudiofileread exc_bad_access Desarrollo de iOS
https://ios.dokry.com/intermitente-extaudiofileread-exc_bad_access.html
intermitente extaudiofileread exc_bad_access. Tengo lo que actualmente parece un problema EXC_BAD_ACCESS insoluble. He intentado habilitar NSZombie, ya que parece ser el consejo en muchas publicaciones, pero trato de pointers c y no de objects, por lo que no obtengo ninguna información de debugging útil. La forma en que funciona mi código es ...
Reverse Playback of Audio Streams in iOS | Mojo Lama
http://www.mojolama.com/looping-reversing-audio-streams
!sretsieM oiduA SOi, sgniteerG. In our last post, we looked at how to access iPod Library tracks and stream them from disk in real time, using Apple’s Extended Audio File Services and Audio Unit APIs.We also speculated about the possibility of modifying our code to allow for reverse playback of those streams – you know, so you can hear what stuff sounds like when …
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