I figure I'm doing the math wrong, or misunderstanding how the filters are supposed to operate, or something simple, but my understanding of ffmpeg video filters is basically nothing. However, the resulting display of the fullscreen video is. The pixel dimensions are 720x480, the display dimensions are 853x480, and the two MKVs can be successfully merged (after reencoding the widescreen.mkv to the same video codec, but without video filters). ![]() However, the resulting display of the fullscreen video is pillarboxed, yet slightly horizontally stretched. ![]() ![]() I've tried a number of filters to accomplish this, and the closest I was able to get was a slightly wider than expected video, otherwise pillarboxed properly. So I would like to pillarbox the 4:3 video as I encode it, and then hopefully append it to the 16:9 video. ![]() What I would like to do is ultimately combine them (mkvmerge widescreen.mkv + fullscreen.mkv) and to do that I need matching display aspect ratios. I have two MKVs, pulled from DVD, that are respectively 16:9 and 4:3. I'm confusing myself over how the video filters work, particularly how they work together, I think.
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