[FFmpeg-user] Avid DNxHD QTs dropped/doubled frame problem

bouke bouke at editb.nl
Wed Aug 24 22:51:37 CEST 2011



----- Original Message ----- 
From: "Jesse" <ffmpeg at neoprimitive.net>
To: <ffmpeg-user at ffmpeg.org>
Sent: Wednesday, August 24, 2011 9:44 PM
Subject: [FFmpeg-user] Avid DNxHD QTs dropped/doubled frame problem


> Hi, all.  I've run in to an issue when importing DNxHD Quicktime
> movies made with ffmpeg in to Avid Media Composer.
> The source material are image sequences rendered at 24 FPS.
>
> The output format is DNxHD 36 Mb/s, 23.976 FPS.
>
> I am doing my encoding with ffmpeg SVN-r20372 packaged with Fedora
> Core 12.
>
> All output movies from ffmpeg play back with the correct number of
> frames in mplayer on Linux, and in Quicktime on a Mac.
>
> However, when the movies are imported in to an Avid Media Composer
> project set to DNxHD36, 23.976 FPS, movies with frame lengths ending
> in 0, 3, and 6 (e.g.  10, 13, 16, 20, 23, ...), have a doubled first
> frame, and a missing last frame.


Did you try 'ignoreQTrate True' in the Console in Avid? And/or AMA in 
instead of import?
Might solve something..
(but i use WriteAvidMXF and mediatool the material in, way faster)

Bouke 




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