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2nd November 2013, 21:40 | #1 | Link |
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Join Date: May 2007
Posts: 99
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ffmpeg padding to retain aspect ratio
I converted a bunch of DVD a long time ago to mkv+h264+aac+srt (cropped and AR put in mkv) and they worked great when played back on any PC device.
Now i want to stream them to my PS3 it seems it is unreliable to transcode aac -> ac3 with an m2ts stream. The only can i can seem to do it reliably is to use remux the files into m2ts to begin with. The issue i have with my old files, is the AR is not read my m2ts and so the videos need to be re-padded to retain the correct aspect ration. eg. one video is 704x448. it came from a PAL DVD with 2:35 aspect ratio with black bars at top and bottom of a 16:9 screen. I don't want to re-encode the whole video again, just add the black bars, but i can seem to figure out how to make ffmpeg do it. appreciate some guidance. |
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