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| //source: https://lists.ffmpeg.org/pipermail/ffmpeg-user/2011-July/001746.html | |
| //source: http://ffmpeg.org/ffmpeg-filters.html#pad | |
| //works | |
| ffmpeg -i PAN_17-1_Final.m4v -filter:v 'pad=max(iw\,ih*(16/9)):ow/(16/9):(ow-iw)/2:(oh-ih)/2' -aspect 16:9 PAN_17-1_Final_auto1.m4v | |
| //works but calculates manually (pad=<width output>:<height output>:<x upper-left-corner>:<y upper-left-corner> | |
| ffmpeg -i PAN_17-1_Final.m4v -filter:v 'pad=939:528:22:0' PAN_17-1_Final_PADTEST2.m4v |
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