Hey, On Thu, Jan 10, 2019 at 03:03:05PM +0800, 陈炤 wrote: > Hi, > > > > I read the spice server code, and find that the video stream detection > code is in server/spice-bitmap-utils.c. func > bitmap_get_graduality_level will calculate a score, and the GRADUALITY > is set based on the score. > > So what's the meaning of this score, and what algorithm does it use to > calculate this score?
Long time since I looked at that code, but iirc it tries to detect if the region looks like text or an image, and if it's changing a lot. If it's an image which is changing a lot, then it's recognized as a video stream. Christophe
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