Top "Avassetreader" questions

You use an AVAssetReader object to obtain media data of an asset, whether the asset is file-based or represents an assemblage of media data from multiple sources (as with an AVComposition object).

Reading samples via AVAssetReader

How do you read samples via AVAssetReader? I've found examples of duplicating or mixing using AVAssetReader, but those loops are …

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How to choose the a pixel format type (kCVPixelBufferPixelFormatTypeKey) for use with AVAssetReader?

We are using AVAssetReader and AVAssetWriter somewhat in the style as noted in Video Encoding using AVAssetWriter - CRASHES basically …

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How to correctly read decoded PCM samples on iOS using AVAssetReader -- currently incorrect decoding

I am currently working on an application as part of my Bachelor in Computer Science. The application will correlate data …

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Video Encoding using AVAssetWriter - CRASHES

I have a function that is supposed to re-encode a video to a manageable bitrate on iphone/ipad. Here it …

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Why does CMSampleBufferGetImageBuffer return NULL

I have built some code to process video files on OSX, frame by frame. The following is an extract from …

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AVAssetWriter How to write down-sampled/compressed m4a/mp3 files

I'm trying to take a local m4a or mp3 file and compress/down-sample this file (for the purposes of …

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