Video: 5 Fun Things in Fedora 12
mairin at linuxgrrl.com
Mon Nov 30 21:16:08 UTC 2009
On Mon, 2009-11-30 at 15:52 -0500, Gregory Maxwell wrote:
> 2009/11/30 Máirín Duffy <mairin at linuxgrrl.com>:
> > To be fair, the video is aimed at people who are not yet using Fedora.
> Understood. But it's poor sales for fedora when you use an approach
> which works less well for Fedora than it does for windows.
> Obviously excluding non-linux users is not an option.
I don't use Windows. I use Fedora 12. I created the video and I can play
the video fine. While I understand your point, it's not fair. Would it
have been better for me to not produce the video at all? Because that's
how I'm feeling now.
> > As noted, the videos were created in Fedora 12 using PiTiVi. I attempted
> > to encode them 3 times, for a total of 3 hours rendering time (I let the
> > last one render overnight last night since I had wasted hours already)
> > using an Ogg container, Theora video codecs, and Vorbis & Celt sound
> > codecs. Every single time, the video rendered completely out-of-sync.
> > Even though gstreamer was used to render it, it refused to play in
> > gstreamer players, only playing in mplayer.
> CELT? Celt is completely inapplicable for this use case. PiTiVi
> shouldn't be offering it.
And I understand that completely. I was trying every free option
available in an attempt to produce a video with clean codecs.
> This bug sounds vaguely like what you experienced:
> One possible work around would be to render to high quality MJPEG in AVI
> (which is effectively lossless) plus PCM audio then use a tool like ffmpeg
> to Theora to transcode.
Thanks for the bug link.
I did the former. I didn't have the time to do the latter. I was hoping
to get the upload to blip.tv working as blip.tv can do the transcoding
If you'd like to transcode it for me, that would be really helpful.
> > Can you help me get this working with ogg & blip.tv? Is there a bug in
> > PiTiVi or F12's theora / ogg / celt / vorbis encoders that resulted in
> > my having such a poor experience? What do you suggest? I used all of the
> > default settings in PiTiVi as I wasn't sure what encoder settings to
> > tweak (and at ~1 hour rendering time per attempt making wild guesses
> > would not be a prudent usage of my time.)
> There must be a bug, because the encoders alone are no less speedy than
> what you ended up using, at least not in any material way.
> I've never used pitivi before, but I'll install it and attempt to reproduce
> your issue. Could you possibly make your project file available to me if
> I'm unable to reproduce this with a trivial test case?
The project is 64 GB.... I can't think of any reasonable way to share
that. But a trivial test case should be able to reproduce the issue.
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