2014/10/15 下午 10:05:53

iphone Programming Glossary: cvpixelbufferrelease

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

adaptor appendPixelBuffer buffer withPresentationTime presentTime if success NSLog @ Failed to appendPixelBuffer CVPixelBufferRelease buffer presentTime CMTimeAdd lastTime CMTimeMake 5 1000 lastTime presentTime else NSLog @ error writerInput not ready .. CMTimeMake frameCount int32_t 30 BOOL res adaptor appendPixelBuffer pixelBuffer withPresentationTime frameTime CVPixelBufferRelease pixelBuffer CFRelease sampleBuffer I think that should do it I've had a similar error at some point and I solved it by creating..

Faster alternative to glReadPixels in iPhone OpenGL ES 2.0

http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0

currentTime.value CVPixelBufferUnlockBaseAddress pixel_buffer 0 if GPUImageOpenGLESContext supportsFastTextureUpload CVPixelBufferRelease pixel_buffer Note that at no point here am I reading anything manually. Also the textures are natively in BGRA format which..

Record the drawing as a m4v video file - OpenGL

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

@ Problem appending pixel buffer at time lld currentTime.value else CVPixelBufferUnlockBaseAddress pixel_buffer 0 CVPixelBufferRelease pixel_buffer and then when I'm done with it I finish it off with the following assetWriterVideoInput markAsFinished assetWriter..