¡@
2014/10/15 ¤U¤È 10:04:24
iphone Programming Glossary: avassetwriterstatuswritingThis 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 return if _isRecording YES lastSampleTime CMSampleBufferGetPresentationTimeStamp sampleBuffer if _videoWriter.status AVAssetWriterStatusWriting _videoWriter startWriting _videoWriter startSessionAtSourceTime lastSampleTime if captureOutput _videoOutput self newVideoSample.. sampleBuffer void newVideoSample CMSampleBufferRef sampleBuffer if _isRecording if _videoWriter.status AVAssetWriterStatusWriting NSLog @ Warning writer status is d _videoWriter.status if _videoWriter.status AVAssetWriterStatusFailed NSLog @ Error.. to write to video input void newAudioSample CMSampleBufferRef sampleBuffer if _isRecording if _videoWriter.status AVAssetWriterStatusWriting NSLog @ Warning writer status is d _videoWriter.status if _videoWriter.status AVAssetWriterStatusFailed NSLog @ Error..
AVAssetWritter does not work with audio http://stackoverflow.com/questions/5200077/avassetwritter-does-not-work-with-audio writer startSessionAtSourceTime _startTime Break if not ready otherwise fall through. if bufferWriter writer.status AVAssetWriterStatusWriting break case AVAssetWriterStatusWriting if captureOutput self.captureManager.audioOutput if bufferWriter audioIn.readyForMoreMediaData.. Break if not ready otherwise fall through. if bufferWriter writer.status AVAssetWriterStatusWriting break case AVAssetWriterStatusWriting if captureOutput self.captureManager.audioOutput if bufferWriter audioIn.readyForMoreMediaData break @try if bufferWriter..
iOS - Scale and crop CMSampleBufferRef/CVImageBufferRef http://stackoverflow.com/questions/8493583/ios-scale-and-crop-cmsamplebufferref-cvimagebufferref sampleBuffer CMTime lastSampleTime CMSampleBufferGetPresentationTimeStamp sampleBuffer if self.videoWriter.status AVAssetWriterStatusWriting self.videoWriter startWriting self.videoWriter startSessionAtSourceTime lastSampleTime self.videoWriterInput appendSampleBuffer..
AVCaptureSession only got video buffer http://stackoverflow.com/questions/9257052/avcapturesession-only-got-video-buffer videoWriter startSessionAtSourceTime lastSampleTime Break if not ready otherwise fall through. if videoWriter.status AVAssetWriterStatusWriting break case AVAssetWriterStatusWriting if captureOutput audioOutput NSLog @ Audio Buffer capped if audioWriterInput.. Break if not ready otherwise fall through. if videoWriter.status AVAssetWriterStatusWriting break case AVAssetWriterStatusWriting if captureOutput audioOutput NSLog @ Audio Buffer capped if audioWriterInput isReadyForMoreMediaData break @try if..
|