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2014/10/15 ¤U¤È 10:14:26
iphone Programming Glossary: startsessionatsourcetimeMerge Two Video files in iPhone Application http://stackoverflow.com/questions/10071029/merge-two-video-files-in-iphone-application canAddInput writerInput videoWriter addInput writerInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero CVPixelBufferRef buffer NULL convert uiimage to CGImage. xPixel 0 yPixel 250 buffer self pixelBufferFromCGImage..
Writing video + generated audio to AVAssetWriterInput, audio stuttering http://stackoverflow.com/questions/12187124/writing-video-generated-audio-to-avassetwriterinput-audio-stuttering 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 samples sampleCount size_t n channelCount..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie canAddInput writerInput videoWriter addInput writerInput 2 Start a session videoWriter startWriting videoWriter startSessionAtSourceTime ¦] 3 Write some samples Or you can use AVAssetWriterInputPixelBufferAdaptor. That lets you feed the writer input data from..
ASSETWriterInput for making Video from UIImages on Iphone Issues http://stackoverflow.com/questions/3983882/assetwriterinput-for-making-video-from-uiimages-on-iphone-issues canAddInput writerInput videoWriter addInput writerInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Write samples CVPixelBufferRef buffer Utils pixelBufferFromCGImage image.CGImage size size adaptor appendPixelBuffer..
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 sampleBuffer if _videoWriter.status AVAssetWriterStatusWriting _videoWriter startWriting _videoWriter startSessionAtSourceTime lastSampleTime if captureOutput _videoOutput self newVideoSample sampleBuffer If I add audio to the video then the output..
Can use AVCaptureVideoDataOutput and AVCaptureMovieFileOutput at the same time? http://stackoverflow.com/questions/4944083/can-use-avcapturevideodataoutput-and-avcapturemoviefileoutput-at-the-same-time moments assetWriterInput.expectsMediaDataInRealTime YES ... eventually ... assetWriter startWriting assetWriter startSessionAtSourceTime kCMTimeZero captureSession startRunning ... elsewhere ... void captureOutput AVCaptureOutput captureOutput didOutputSampleBuffer..
AVAssetWritter does not work with audio http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio 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 AudioOutputBufferDelegate.. CMSampleBufferGetPresentationTimeStamp sampleBuffer and then bufferWriter writer startWriting bufferWriter writer startSessionAtSourceTime _startTime Your code looks valid as you are calculating the time difference for each received packet. However AVFoundation.. _startTime CMSampleBufferGetPresentationTimeStamp sampleBuffer bufferWriter writer startWriting bufferWriter writer startSessionAtSourceTime _startTime Break if not ready otherwise fall through. if bufferWriter writer.status AVAssetWriterStatusWriting break case..
AVFoundation + AssetWriter: Generate Movie With Images and Audio http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio YES videoWriter addInput videoWriterInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for UIImage img in imageArray buffer..
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 addInput audioWriterInput videoWriter addInput videoWriterInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i 20 i.. 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 frameCount 0 for int i 0 i m_PictArray.. write picture in movie file and I want copy audio in the file and I do this audioReader startReading videoWriter startSessionAtSourceTime kCMTimeZero dispatch_queue_t mediaInputQueue dispatch_queue_create mediaInputQueue NULL audioWriterInput requestMediaDataWhenReadyOnQueue..
http://stackoverflow.com/questions/6189535/avassetwriter-woes addInput writerInput writerInput.expectsMediaDataInRealTime YES Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero buffer NULL lastTime kCMTimeZero presentTime kCMTimeZero return YES Next the two methods that append the writer..
Video Encoding using AVAssetWriter - CRASHES http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes NO videoWriter addInput audioWriterInput videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero reader startReading dispatch_queue_t _processingQueue dispatch_queue_create assetAudioWriterQueue NULL videoWriterInput.. is done should call finishWriting on the writer hook up audio track audioReader startReading videoWriter startSessionAtSourceTime kCMTimeZero dispatch_queue_t mediaInputQueue dispatch_queue_create mediaInputQueue NULL audioWriterInput requestMediaDataWhenReadyOnQueue..
How do I set the data for a “PUT” request with AFNetworking? http://stackoverflow.com/questions/9003545/how-do-i-set-the-data-for-a-put-request-with-afnetworking
Record the drawing as a m4v video file - OpenGL http://stackoverflow.com/questions/9661259/record-the-drawing-as-a-m4v-video-file-opengl 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 pixel_buffer NULL CVReturn status..
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