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4th January 2011, 05:49 | #1 | Link |
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Join Date: Dec 2010
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Reencoding a lot of files to x264
I have a lot of videos ripped from dvds (I remember that for the first rip I used divx 3), mostly tv series, now I need to reduce the size of the files, I am trying to found optimal parameters using the information that I can get from tools like media info, for example if my file has a codec x and a bitrate y, re-encode to x264 using profile 3.1 (all of them are SD) with a bitrate z, for the audio is easy, but for the video I haven't see any info about "bitrate equivalencies" for similar quality output video, and with this info write a bash script to reencode all, rip from dvds another time isn't an option for me because some of then are scratched and I have 60-70 ¿Can this be done?.
PD: If I remember well, I have used to encode the files divx 3,4,5 and xvid. |
4th January 2011, 10:41 | #2 | Link |
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--preset slow --tune film --crf 20
Pick a CRF that represents the quality you are happy with, and use that ... no need for bitrates ... Might wanna prefilter source with deblock (QED_Deblock), denoise (dfttest or fft3dfilter) and gradient fill (gradfun2db, etc) ... 7ek |
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batch encoding, equivalent settings, ffmpeg, reencode |
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