2014/10/15 下午 10:09:04
iphone Programming Glossary: finishwritingMerge Two Video files in iPhone Application http://stackoverflow.com/questions/10071029/merge-two-video-files-in-iphone-application i if buffer CVBufferRelease buffer NSThread sleepForTimeInterval 0.1 writerInput markAsFinished videoWriter finishWriting videoPathArray addObject path Finish the session videoWriter release writerInput release CVPixelBufferPoolRelease adaptor.pixelBufferPool..
Creating 16:9 Video Rather than 4:3 - AVAsset Writer - iPhone http://stackoverflow.com/questions/10358086/creating-169-video-rather-than-43-avasset-writer-iphone frame 20 NSLog @ FAIL else NSLog @ Success d frame CFRelease buffer writerInput markAsFinished videoWriter finishWriting videoWriter release NSLog @ outside for loop Grab the URL for the video so we can use it later. NSURL url self applicationDocumentsDirectory..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie sampleBuffer 4 Finish the session writerInput markAsFinished videoWriter endSessionAtSourceTime 因 videoWriter finishWriting You 耱l still have to fill in a lot of blanks but I think that the only really hard remaining part is getting a pixel buffer..
ASSETWriterInput for making Video from UIImages on Iphone Issues http://stackoverflow.com/questions/3983882/assetwriterinput-for-making-video-from-uiimages-on-iphone-issues 1 2 Finish the session writerInput markAsFinished videoWriter endSessionAtSourceTime CMTimeMake duration 2 videoWriter finishWriting This method is not required but is used here as an example of a pixel buffer source CVPixelBufferRef pixelBufferFromCGImage..
This code to write video+audio through AVAssetWriter and AVAssetWriterInputs is not working. Why? http://stackoverflow.com/questions/4149963/this-code-to-write-videoaudio-through-avassetwriter-and-avassetwriterinputs-is _isRecording NO _videoWriterInput markAsFinished _videoWriter endSessionAtSourceTime lastSampleTime _videoWriter finishWriting NSLog @ video recording stopped And finally the CaptureOutput code void captureOutput AVCaptureOutput captureOutput didOutputSampleBuffer.. to call endSessionAtSrouceTime. The last time stamp in the sample data will be used after the call to _videoWriter finishWriting I also explicitly check for the type of capture output. else if captureOutput _audioOutput self newAudioSample sampleBuffer.. _isRecording YES void stopVideoRecording if _isRecording _isRecording NO _capSession stopRunning if _videoWriter finishWriting NSLog @ finishWriting returned NO _videoWriter endSessionAtSourceTime lastSampleTime _videoWriterInput markAsFinished..
AVAssetWriter multiple sessions and the status property http://stackoverflow.com/questions/4911534/avassetwriter-multiple-sessions-and-the-status-property to create multiple serial writing sessions with AVAssetWriter. Once I've completed one successfully after calling finishWriting the status is set to 2 AVAssetWriterStatusCompleted . Trying to create another session I call startWriting but I get the..
http://stackoverflow.com/questions/4914853/help-fix-memory-leak-release withObject convertedByteCountNumber waitUntilDone NO else done assetWriterInput markAsFinished assetWriter finishWriting assetReader cancelReading NSDictionary outputFileAttributes NSFileManager defaultManager attributesOfItemAtPath exportPath..
Can use AVCaptureVideoDataOutput and AVCaptureMovieFileOutput at the same time? http://stackoverflow.com/questions/4944083/can-use-avcapturevideodataoutput-and-avcapturemoviefileoutput-at-the-same-time
AVAssetWritter does not work with audio http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio video_writer endSessionAtSourceTime CMTimeMakeWithSeconds NSDate date timeIntervalSinceDate start_time 30 video_writer finishWriting UISaveVideoAtPathToSavedPhotosAlbum temp_url self @selector video didFinishSavingWithError contextInfo nil start_time release..
AVFoundation + AssetWriter: Generate Movie With Images and Audio http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio appending image d times d n frameCount j frameCount Finish the session videoWriterInput markAsFinished videoWriter finishWriting NSLog @ Write Ended And now the code for pixelBufferFromCGImage CVPixelBufferRef pixelBufferFromCGImage CGImageRef image..
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 NSLog @ NextBuffer audioWriterInput appendSampleBuffer nextBuffer audioWriterInput markAsFinished videoWriter finishWriting However the status of AssetWriterInput of audio file is always NO . My question How to add audio to a video file using AVFoundation.. appending image d times d n frameCount j frameCount CVBufferRelease buffer videoWriterInput markAsFinished videoWriter finishWriting videoWriterInput release videoWriter release m_PictArray removeAllObjects NSLog @ Write Ended After that you must put together..
Video Encoding using AVAssetWriter - CRASHES http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes this one is done break case AVAssetReaderStatusCompleted your method for when the conversion is done should call finishWriting on the writer hook up audio track audioReader startReading videoWriter startSessionAtSourceTime kCMTimeZero dispatch_queue_t.. else audioWriterInput markAsFinished switch audioReader status case AVAssetReaderStatusCompleted videoWriter finishWriting self hookUpVideo newName break break case AVAssetReaderStatusFailed videoWriter cancelWriting break..
Record the drawing as a m4v video file - OpenGL http://stackoverflow.com/questions/9661259/record-the-drawing-as-a-m4v-video-file-opengl and then when I'm done with it I finish it off with the following assetWriterVideoInput markAsFinished assetWriter finishWriting Again you can see this in action in the above linked framework. You might be able to modify this to use with OpenGL ES 1.1..
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