¡@
2014/10/15 ¤U¤È 10:05:09
iphone Programming Glossary: cmsamplebufferinvalidateHardware accelerated h.264 decoding to texture, overlay or similar in iOS http://stackoverflow.com/questions/10646657/hardware-accelerated-h-264-decoding-to-texture-overlay-or-similar-in-ios copyNextSampleBuffer if sampleBufferRef runOnMainQueueWithoutDeadlocking ^ self processMovieFrame sampleBufferRef CMSampleBufferInvalidate sampleBufferRef CFRelease sampleBufferRef else videoEncodingIsFinished YES self endProcessing else if synchronizedMovieWriter..
Extract iPod Library raw PCM samples and play with sound effects http://stackoverflow.com/questions/4796643/extract-ipod-library-raw-pcm-samples-and-play-with-sound-effects length buffer NSData data NSData alloc initWithBytes buffer length length fullSongData appendData data data release CMSampleBufferInvalidate sampleBufferRef CFRelease sampleBufferRef if reader.status AVAssetReaderStatusFailed reader.status AVAssetReaderStatusUnknown..
http://stackoverflow.com/questions/4914853/help-fix-memory-leak-release with the following lines in the while loop after the if else statement to ensure that nextBuffer is really released. CMSampleBufferInvalidate nextBuffer CFRelease nextBuffer nextBuffer nil NULL I do not see any details in the docs on CMSampleBufferInvalidate but.. CMSampleBufferInvalidate nextBuffer CFRelease nextBuffer nextBuffer nil NULL I do not see any details in the docs on CMSampleBufferInvalidate but I found it referenced elsewhere and it does seem to help. I also call CFRelease and finally set it to nil. Setting it..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader fix fullSongData appendBytes right length sizeof right totalLeft 0 totalRight 0 sampleTally 0 wader drain CMSampleBufferInvalidate sampleBufferRef CFRelease sampleBufferRef NSData finalData nil if reader.status AVAssetReaderStatusFailed reader.status.. right fullSongData appendBytes right length sizeof right totalLeft 0 totalRight 0 sampleTally 0 wader drain CMSampleBufferInvalidate sampleBufferRef CFRelease sampleBufferRef NSData finalData nil if reader.status AVAssetReaderStatusFailed reader.status..
|