2014/10/15 下午 10:14:27

iphone Programming Glossary: startwriting

Merge Two Video files in iPhone Application

http://stackoverflow.com/questions/10071029/merge-two-video-files-in-iphone-application

NSParameterAssert videoWriter canAddInput writerInput videoWriter addInput writerInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero CVPixelBufferRef buffer NULL convert uiimage to CGImage. xPixel 0 yPixel..

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

NSLog @ I can add this input else NSLog @ i can't add this input videoWriter addInput writerInput videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero CGImageRef theImage finishedMergedImage CGImage CGImageRef theImage introImage..

Writing video + generated audio to AVAssetWriterInput, audio stuttering

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

rateDenominator frameRate Add our video input stream source to the video writer and start it. videoWriter startWriting videoWriter startSessionAtSourceTime CMTimeMake 0 rateDenominator isRecording true return YES int writeAudioBuffer float..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

NSParameterAssert videoWriter canAddInput writerInput videoWriter addInput writerInput 2 Start a session videoWriter startWriting videoWriter startSessionAtSourceTime 因 3 Write some samples Or you can use AVAssetWriterInputPixelBufferAdaptor. That lets..

ASSETWriterInput for making Video from UIImages on Iphone Issues

http://stackoverflow.com/questions/3983882/assetwriterinput-for-making-video-from-uiimages-on-iphone-issues

NSParameterAssert videoWriter canAddInput writerInput videoWriter addInput writerInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Write samples CVPixelBufferRef buffer Utils pixelBufferFromCGImage image.CGImage..

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

CMSampleBufferGetPresentationTimeStamp sampleBuffer if _videoWriter.status AVAssetWriterStatusWriting _videoWriter startWriting _videoWriter startSessionAtSourceTime lastSampleTime if captureOutput _videoOutput self newVideoSample sampleBuffer ..

AVAssetWriter multiple sessions and the status property

http://stackoverflow.com/questions/4911534/avassetwriter-multiple-sessions-and-the-status-property

calling finishWriting the status is set to 2 AVAssetWriterStatusCompleted . Trying to create another session I call startWriting but I get the error AVAssetWriter startWriting cannot call method when status is 2 Seems I cannot create a writing session.. AVAssetWriterStatusCompleted . Trying to create another session I call startWriting but I get the error AVAssetWriter startWriting cannot call method when status is 2 Seems I cannot create a writing session unless I configure something. Do I have to recreate..

Can use AVCaptureVideoDataOutput and AVCaptureMovieFileOutput at the same time?

http://stackoverflow.com/questions/4944083/can-use-avcapturevideodataoutput-and-avcapturemoviefileoutput-at-the-same-time

unavailable at inopportune moments assetWriterInput.expectsMediaDataInRealTime YES ... eventually ... assetWriter startWriting assetWriter startSessionAtSourceTime kCMTimeZero captureSession startRunning ... elsewhere ... void captureOutput AVCaptureOutput..

AVAssetWritter does not work with audio

http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio

NULL retain video_writer addInput writer_input video_writer addInput audio_writer_input video_writer startWriting video_writer startSessionAtSourceTime CMTimeMake 0 1 start_time NSDate alloc init Here is the delegate for the audio @implementation.. I do if _startTime.value 0 _startTime CMSampleBufferGetPresentationTimeStamp sampleBuffer and then bufferWriter writer startWriting bufferWriter writer startSessionAtSourceTime _startTime Your code looks valid as you are calculating the time difference.. if _startTime.value 0 _startTime CMSampleBufferGetPresentationTimeStamp sampleBuffer bufferWriter writer startWriting bufferWriter writer startSessionAtSourceTime _startTime Break if not ready otherwise fall through. if bufferWriter writer.status..

AVFoundation + AssetWriter: Generate Movie With Images and Audio

http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio

videoWriterInput.expectsMediaDataInRealTime YES videoWriter addInput videoWriterInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount..

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

YES videoWriter addInput audioWriterInput videoWriter addInput videoWriterInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage... d times d n frameCount j frameCount Finish the session videoWriterInput markAsFinished Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero CVPixelBufferRef buffer NULL Write all picture array in movie file. int.. videoWriterInput.expectsMediaDataInRealTime YES videoWriter addInput videoWriterInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage...

AVAssetWriter Woes

http://stackoverflow.com/questions/6189535/avassetwriter-woes

writerInput videoWriter addInput writerInput writerInput.expectsMediaDataInRealTime YES Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero buffer NULL lastTime kCMTimeZero presentTime kCMTimeZero return YES Next..

Video Encoding using AVAssetWriter - CRASHES

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

audioWriterInput audioWriterInput.expectsMediaDataInRealTime NO videoWriter addInput audioWriterInput videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero reader startReading dispatch_queue_t _processingQueue dispatch_queue_create..

AVCaptureSession only got video buffer

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

lastSampleTime kCMTimeZero 0 lastSampleTime CMSampleBufferGetPresentationTimeStamp sampleBuffer videoWriter startWriting videoWriter startSessionAtSourceTime lastSampleTime Break if not ready otherwise fall through. if videoWriter.status..

Record the drawing as a m4v video file - OpenGL

http://stackoverflow.com/questions/9661259/record-the-drawing-as-a-m4v-video-file-opengl

assetWriter addInput assetWriterVideoInput and begin recording with the following startTime NSDate date assetWriter startWriting assetWriter startSessionAtSourceTime kCMTimeZero I grab and encode a color swizzled frame using the following CVPixelBufferRef..