2014/10/15 下午 10:04:15

iphone Programming Glossary: audiowriterinput.expectsmediadatainrealtime

Writing video + generated audio to AVAssetWriterInput, audio stuttering

http://stackoverflow.com/questions/12187124/writing-video-generated-audio-to-avassetwriterinput-audio-stuttering

AVAssetWriterInput assetWriterInputWithMediaType AVMediaTypeAudio outputSettings audioOutputSettings retain audioWriterInput.expectsMediaDataInRealTime YES audioWriterInput.expectsMediaDataInRealTime NO seems to work slightly better videoWriter addInput audioWriterInput rateDenominator.. AVMediaTypeAudio outputSettings audioOutputSettings retain audioWriterInput.expectsMediaDataInRealTime YES audioWriterInput.expectsMediaDataInRealTime NO seems to work slightly better videoWriter addInput audioWriterInput rateDenominator 44100 rateMultiplier rateDenominator.. for the first block only. No change. And I've tried combinations of these. Still not right. SOLUTION It appears that audioWriterInput.expectsMediaDataInRealTime YES is essential otherwise it messes with its mind. Perhaps this is because the video was set up with this flag. Additionally..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

NSParameterAssert videoWriter canAddInput audioWriterInput NSParameterAssert videoWriter canAddInput videoWriterInput audioWriterInput.expectsMediaDataInRealTime NO videoWriterInput.expectsMediaDataInRealTime YES videoWriter addInput audioWriterInput videoWriter addInput videoWriterInput..

Video Encoding using AVAssetWriter - CRASHES

http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes

addOutput readerOutput NSParameterAssert audioWriterInput NSParameterAssert videoWriter canAddInput audioWriterInput audioWriterInput.expectsMediaDataInRealTime NO videoWriter addInput audioWriterInput videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero reader..

AVCaptureSession only got video buffer

http://stackoverflow.com/questions/9257052/avcapturesession-only-got-video-buffer

AVAssetWriterInput assetWriterInputWithMediaType AVMediaTypeAudio outputSettings audioOutputSettings audioWriterInput.expectsMediaDataInRealTime YES NSError error nil NSString betaCompressionDirectory NSHomeDirectory stringByAppendingPathComponent videoURL unlink betaCompressionDirectory..