Am 22.12.2015 um 20:44 schrieb jd1008:
Sorry, I meant to say change 320x180 to HD of 1920x1080. Sometimes I type only part of what I want to say :) :)hence i said "raise the bitrate and size, that's a automated system calculation pad to reach target of 320x180 independent of the source"How does one calculate the optimal video bitrate for size of 1920x1080?
depends on the quality of the input file and often also on the content, i have ssen viedos where you need twice bitrate to get rid of artecfacts on critical parts while 100 other samples where perfect
that's why i started my post with "There is no perfect command" otherwise ffmpeg would not need that much options
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