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Justin Sevakis
  • Male
  • Glendale, CA
  • United States
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Justin Sevakis's Discussions

Encoding with ffmpeg
13 Replies

Started this discussion. Last reply by lilian Oct 6.

Encoding for Scenarist BD Slideshows
2 Replies

Started this discussion. Last reply by Justin Sevakis Jun 29.

Adobe Media Encoder - passes verification?
1 Reply

Started this discussion. Last reply by Tobias May 7.

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Latest Activity

lilian replied to Justin Sevakis's discussion Encoding with ffmpeg
"For 29.97i to 23.976p with ffmpeg: -vf "fieldmatch=order=auto:combmatch=none, decimate" or -vf "fieldmatch=order=auto:combmatch=full, yadif=deint=interlaced, decimate""
Oct 6
lilian replied to Justin Sevakis's discussion Encoding with ffmpeg
"-vf "fieldmatch=order=auto:combmatch=none, decimate" or -vf "fieldmatch=order=auto:combmatch=full, yadif=deint=interlaced, decimate""
Oct 6
lilian replied to Justin Sevakis's discussion Encoding with ffmpeg
"Hi all, I'm using ffmpeg with x264 since a long time for BD authoring without any known issue. I use the pipe function for that. For a 24 fps video: ffmpeg -i VideoIn.mov -f rawvideo -pix_fmt yuv420p - | x264 --demuxer raw  --bitrate…"
Oct 6
Justin Sevakis replied to Justin Sevakis's discussion Encoding with ffmpeg
"Update: Our first disc with this encoder, despite passing all verification tests, had some major stuttering issues on PS4. Don't use this. Back to the drawing board."
Sep 28
Andreas Gumm replied to Justin Sevakis's discussion Encoding with ffmpeg
"Thank you very much! I always encode chapter points as I-frames. It's more reliable to jump to right chapter point."
Aug 23
Justin Sevakis replied to Justin Sevakis's discussion Encoding with ffmpeg
"Andreas, it looks like defining chapter points is not possible under ffmpeg. You'll have to do without, I'm afraid (though to be honest, I never bother with this even with x264)."
Aug 23
Justin Sevakis replied to Justin Sevakis's discussion Encoding with ffmpeg
"Yes, I agree, if you're using AVIsynth for IVTC, there's no point to using ffmpeg."
Aug 23
Andreas Gumm replied to Justin Sevakis's discussion Encoding with ffmpeg
"Thanks. BTW, I let AVISynth do the reverse telecine process which works very well."
Aug 23
Justin Sevakis replied to Justin Sevakis's discussion Encoding with ffmpeg
"480i/29.97 is now verified also... (Below is for 16x9 video, if you need 4x3 change sar=40/33 to sar=10/11, and also field order if necessary) ffmpeg -I input.file -c:v libx264 -pass 1 -b:v XXXXX -tune film -level 41 -g 30 -r 30000/1001 -flags…"
Aug 23
Justin Sevakis replied to Justin Sevakis's discussion Encoding with ffmpeg
"Andreas, fakeinterlaced appears to work, but we're still testing for verification on those. I'll update in a week or so. However, it looks like ffmpeg doesn't pass -pulldown settings properly, so 480p/24 is out. I'm trying to…"
Aug 23
Andreas Gumm replied to Justin Sevakis's discussion Encoding with ffmpeg
"Sounds good! Is it possible anyhow to define a similar parameter to set "fakeinterlaced" for progressive content? How do you define chapter points? Is it possible to define a timecode list?"
Aug 23
Justin Sevakis replied to Justin Sevakis's discussion Encoding with ffmpeg
"Great news! With a little work, I've managed to figure out the command line for HD video streams! Rob has been nice enough to run these through verifiers on his end, and we came out clean. This means that Windows users can encode with these…"
Aug 23
Justin Sevakis replied to Justin Sevakis's discussion Encoding with ffmpeg
"There are a few good reasons that ffmpeg would be preferable. x264 is very limited in how video is input; on Windows you have you use AVIsynth and a pipe like avs4x264mod to feed the encoder, and AVIsynth is still 32-bit. It can also introduce…"
Aug 17
Andreas Gumm replied to Justin Sevakis's discussion Encoding with ffmpeg
"Why using ffmpeg when you can use x264?Since no one has tested files created by ffmpeg in one of the known verifiers yet I don't trust ffmpeg in this task since the command line looks different and since it's still unknown what parameters…"
Aug 17
Justin Sevakis posted a discussion

Encoding with ffmpeg

Hi guys,I'm wondering if anybody has successfully encoded .264 files with ffmpeg. Since it has x264 built-in, it should be capable of outputting Blu-ray compatible video. However, despite (I think) successfully converting all of the input parameters into ffmpeg's command line format, I'm getting compatibility problems on PS4, which leads me to believe that the resulting file isn't QUIIIITE up to spec. ffmpeg -I input.mov -c:v libx264 -pass 1 -b:v 30000k -tune film -level 41 -g 24 -r 24000/1001…See More
Aug 15

Profile Information

Occupation
Director of New Media, Authorist
Company
http://www.animenewsnetwork.com

Comment Wall (1 comment)

At 9:43am on August 18, 2009, Post Office Digital said…
your name sounds familiar and then i see your Co. website. we might have met or i just heard your name around. I used to work for Media Blasters years ago, doing there editing and authoring. My name is Scott Marchfeld.

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Latest Activity

lilian replied to Justin Sevakis's discussion Encoding with ffmpeg
"For 29.97i to 23.976p with ffmpeg: -vf "fieldmatch=order=auto:combmatch=none,…"
Oct 6
lilian replied to Justin Sevakis's discussion Encoding with ffmpeg
"-vf "fieldmatch=order=auto:combmatch=none, decimate" or -vf…"
Oct 6
lilian replied to Justin Sevakis's discussion Encoding with ffmpeg
"Hi all, I'm using ffmpeg with x264 since a long time for BD authoring without any known…"
Oct 6
Henry Weintraub replied to Henry Weintraub's discussion Managed Copy Information error
"Thanks for the input. I may just try re-installing the OS and see if that helps."
Oct 2

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