[theora] ffmpeg2theora 0.25 synchronization issues when converting from .mov
andrew at okashistudios.com
Thu Oct 1 17:05:02 PDT 2009
On Sep 30, 2009, at 10:49 PM, Michael A. Peters wrote:
> Andrew Chew wrote:
>> Has anyone noticed this? I have a video made with Final Cut Pro,
>> which I convert to .mov via Compressor. This .mov file plays back
>> fine in Quicktime. But when I then use ffmpeg2theora to convert
>> to ogv, the video seems to play back too fast compared to the
>> audio (I'm using VLC 1.0.2, the latest I believe, to play back the
>> ogv file, and I also have an app that uses the recently released
>> libtheora 1.1, and I see the same sped-up video as with VLC).
>> I'm wondering if it's a known problem, or if I'm the first to see
> I've not seen that and I just re-encoded all my stuff to take
> advantage of 2 pass (using static x86_64 linux bin) - but I have
> seen audio/video issue going from mjpeg to ogv. I solved that issue
> by importing the mjpeg avi into kino and saving as dv and then using
> I assume by .mov you mean h.264 w/ AAC ??
My quicktime movies are uncompressed video (using Compressor's
Animation NTSC setting), with I assume AAC for audio.
> What happens when you export from FCP to mpeg2 and then run
> ffmpeg2theora on that?
> For the record, I've not had any problems using older libtheora
> based players on ogv made with latest ffmpeg2theora.
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