lavfi-preview
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GUI for libavfilter
I'm using a hidpi screen and lavfi-preview is not hidpi aware (I'm using Windows 10). That means everything is super small. In my own imgui+glfw c++ program, I handle this...
See this screen shot:  To repro: 1. make movie src 2. make buffersink 3. click options of movie This is really two issues: 1. You note that that buffersink...
I tested lavfi-preview with a file source that happened to have the following side data attached to the video stream according to ffprobe: ``` Side data: displaymatrix: rotation of -90.00...