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ios - AVAssetWriterInput possible for live audio through ...
https://stackoverflow.com/questions/9300482/avassetwriterinput-possible-for-live-audio-through-core-audio
AVAssetWriterInput possible for live audio through Core Audio? Ask Question Asked 9 years, 10 months ago. Active 9 years, 10 months ago. Viewed 721 times 0 1. I am looking to adapt AVFoundation to do something that seems like it should be possible, but I cannot find any support or examples anywhere for my scenario. I need to grab video from the ...
Apple Developer Documentation
https://developer.apple.com/documentation/avfoundation/avassetwriterinput
Overview Create an asset writer input to write a single track of media, and optional track-level metadata, to the output file. To write multiple concurrent tracks with ideal interleaving of media data, observe the value of the isReadyForMoreMediaData property of each input.
Writing video and audio via AVAsse… | Apple Developer …
https://developer.apple.com/forums/thread/3655
- If I comment out ONLY the Audio AVAssetWriterInput appendSampleBuffer call, the resulting file is readable, and fine, - though it shows no audio tracks, despite me adding, starting and stopping the inputWriter, but obviously not writing any actual samples.
Author fragmented MPEG-4 content with AVAssetWriter ...
https://developer.apple.com/videos/play/wwdc2020/10011/
If you encode both audio and video, one AVAssetWriterInput for each media can be added. Earlier, I said that for passthrough, only one AVAssetWriterInput can be added. But you can deliver video and audio as separate streams using a master playlist.
iOS : appendSampleBuffer with an audio …
https://www.youtube.com/watch?v=JW_v3sXzu58
iOS : appendSampleBuffer with an audio AVAssetWriterInput "leaks" memory until endSessionAtSourceTime [ Gift : Animated Search Engine : https://bit.ly/AnimSe...
Apple Developer Documentation
https://developer.apple.com/documentation/avfoundation/avassetwriterinput/1449091-assetwriterinputwithmediatype
A hint about the format of the media data to append. The input uses the source format hint to fill in missing output settings. If you specify a hint, you only need to specify AVFormat IDKey for the audio output settings, and AVVideo Codec Key is the only required key for video output settings.
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