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Depending how the content was made, the banding might be introduced when you're converting your content from RGB colorspace to YUV. You can try to make an h264 while keeping RGB colorspace, although I've read it's not easy. Are you able to use another codec?


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The bands you're referring to could well just be a limitation of the 8-bit colour space. In theory the way to solve this is to use 10- or 12-bit colour space through every stage from rendering, to editing and mastering, through to output and even in the screen or projector. However your final output is probably going to be displayed in an 8 bits per ...


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Capturing the video frames in XWD format then converting to PNG yields results that are almost pixel perfect when encoded with ffmpeg. Install xvidcap: mkdir -p $HOME/dev cd $HOME/dev svn checkout svn://svn.code.sf.net/p/xvidcap/code/trunk xvidcap-code cd xvidcap* ./autogen.sh LIBS="-ldl -lX11 -lXext" ./configure --prefix=/usr/local make && sudo ...



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