core-media
first memcpy into buffer faster than direct access to pixels of CVPixelBufferGetBaseAddress
I noticed that accessing the pixels returned by CVPixelBufferGetBaseAddress directly (I\'m u开发者_JAVA百科sing two nested for-loops) is about 100 times slower than first allocating a buffer with mall[详细]
2023-03-03 19:10 分类:问答How do you add to an AudioBufferList with an AVAssetReader?
I have been working on reading in an audio asset using AVAssetReader so that I can later play back the audio with an AUGraph with an AudioUnit callback. I have the AUGraph and AudioUnit callback worki[详细]
2023-02-23 04:55 分类:问答Using CMTime without rounding?
I\'m writing an application that uses AVFoundation and CMTime. I have logged the values of my CMTime instances created using CMTimeMake(). This value seems to be rounded to the nearest integer. I need[详细]
2023-02-19 05:22 分类:问答How do I convert a CGImage to CMSampleBufferRef?
I’d like to convert a CGImage to CMSampleBufferRef and append it to a AVAssetWriterInput using the appendSampleBuffer: method. I’ve managed to get the CMSampleBufferRef using the following code, but[详细]
2023-01-16 16:50 分类:问答.NET Month Picker Control
Is there a winforms month-only picker control? I need to allow th开发者_JAVA百科e user to select the month regardless of the day of the month.[详细]
2022-12-22 17:32 分类:问答