So we use the autodesk product Wiretap Central to do encodings from out flame suites. It's essentially just a front end for FFMPEG and allows you to create custom profiles via editing an XML file and sending through your own syntax.
I'm having an issue creating an NTSC mpeg2. I see there have been a few discussions about 3:2 pulldown and ffmpeg not supporting it (yet) but they are all pretty old posts. Does anyone know if it supports it now? I couldn't find anything in their documentation about it.
Basically, the source material is 23.98 and I'm using the "dvd-ntsc" output for ffmpeg which seems to give me a 29.976 clip but it's not adding correct 2:3. The cadence is 4:1 which means it's very, very stuttery.
I've tried straight burning a 23.98 file and letting the DVD player add the pulldown but it seems I end up with the same problem. From my understanding you can add a 'soft' 2:3 switch in 3rd party applications which then tells the decoder to add the 2:3.
Ideally, I'd like to get this done in ffmpeg though as it saves re-transcoding the files. (Wiretap Central is the only way you can talk to the flames StoneFS filesystem)
Any suggestions?
Try StreamFab Downloader and download from Netflix, Amazon, Youtube! Or Try DVDFab and copy Blu-rays! or rip iTunes movies!
+ Reply to Thread
Results 1 to 3 of 3
Thread
-
-
Encode to 23.967 fps with ffmpeg, then use DGPulldown to add the correct pulldown flags to the video stream prior to authoring.
Read my blog here.
-
Perfect, that looks like it just adds the flags and doesn't bother with a re-encode.
Thanks!
Similar Threads
-
reorder streams with ffmpeg issue
By MarquisdeOz in forum AudioReplies: 6Last Post: 9th Jul 2011, 13:19 -
FFMPeg Issue : Codec ID#
By Bonie81 in forum Newbie / General discussionsReplies: 0Last Post: 23rd Oct 2010, 15:10 -
Windows Media Encoder based application deployment issue
By George2 in forum ProgrammingReplies: 0Last Post: 12th Jul 2009, 05:19 -
gotsent issue (cant find ffmpeg)
By X400 in forum Video ConversionReplies: 1Last Post: 6th Nov 2007, 02:59