After a sound has finished, another sound could play...but in this code sounds are mixing...How can I fix it?
I noticed that accessing the pixels returned by CVPixelBufferGetBaseAddress directly (I\'m u开发者_JAVA百科sing two nested for-loops) is about 100 times slower than first allocating a buffer with mall
I have three camera-based apps (that take still pictures) in the app-store and have got feedback that the UIImagePickerController interface is very slow - and I can\'t deny that.So, to improve the per
Is AVAssetWriterInput\'s readyForMoreMediaData updated in a background thread? If readyForMoreMediaData is NO, can I block in the main thread and wait until the value changes to YES?
I am trying to write an app that involves both front and rear camera and switching between them. As far as I understand, in the addVideoInput method, I ha开发者_运维技巧ve to change the IDs in
I have a question or two about using AVFoundationFramework in XCode. I downloaded AVCamDemo source code. I am trying to leverage the code in my app to replace UIImagePickerController (because it is
Every time I try to generate a still frame from my video asset, it is generated at a time of 0.000.. seconds. I can see this from my log message. The good thing is that I can get the image at time 0.0
My app creates an mp4 file. I\'ve verified that the code I have works on the following devices: iPad (OS 4.3.2)
I\'d like to be able to get back AudioBufferList from AVAssetReader which has 2 buffers so that I can process the left and right audio through an AudioUnit. I tried using the output settings below but
I\'m writing some frames to video with AVAssetWriterInputPixelBufferAdaptor, and the behavior w.r.t. time isn\'t what I\'d expect.
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