[Libav-user] which filter is used to produce fake yuv image
applemax82 at 163.com
Wed Apr 27 13:33:28 CEST 2016
I want to use some filter to produce one specified yuv/rgb image, and render text on that image via drawtext filter later in filter graph. Then run the filter graph, and get text_h and text_w from 'ff_vf_drawtext'. which filter is used to produce fake yuv/rgb image in ffmpeg?
Is there some efficient way to get the values of text_h and text_w?
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