It works in AviSynth, but hangs in Vapoursynth.
To reproduce, import any PNG image stream, set output container to RAW, set processing for video to PNG. When it gets to "encoding an png image sequence using ffmpeg" it will hang there, and not output any PNG's in the output directory.
If it can't work, it means I'll have to convert my PNG stream to lossless MP4, then make a second image stream from that. (I'm processing different aspect ratios and settings for multiple clips to the same resolution, then making a final mp4 from that... video editing using Windows Explorer.
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It's not a huge deal, but it would be nice if it worked for VapourSynth.
To reproduce, import any PNG image stream, set output container to RAW, set processing for video to PNG. When it gets to "encoding an png image sequence using ffmpeg" it will hang there, and not output any PNG's in the output directory.
If it can't work, it means I'll have to convert my PNG stream to lossless MP4, then make a second image stream from that. (I'm processing different aspect ratios and settings for multiple clips to the same resolution, then making a final mp4 from that... video editing using Windows Explorer.

It's not a huge deal, but it would be nice if it worked for VapourSynth.
