[Paraview] MJPEG instead of MPEG4 (issue 8925)

[Dominik Szczerba]

On Sat, 2009-07-11 at 09:00 -0400, Mike Jackson wrote:
> The only reason I was selecting Quicktime on OS X was that it is
> obviously built in and there are no licensing restrictions on any of
> the codecs that it supports.
>   On Windows there is already the wmv plugin which uses native windows APIs.
> 
>  On linux I wouldn't really know what to use. Due to licensing issues
> I don't think you can directly include source in ParaView/VTK that is
> GPL'ed in any way (which GStreamer and FFMPEG are). And the issue with
> FFMPEG is that is uses patented algorithms for its codecs in which
> royalties have not been paid. See the beginning of this entire thread.
> 

To my knowledge Theora is free of any formal trouble, and sufficient
quality to be proposed for a default encoder for any platform, not?

-- Dominik

> Mike
> 
> On Sat, Jul 11, 2009 at 4:18 AM, Michael Wild<themiwi at gmail.com> wrote:
> > How about using GStreamer as an abstraction layer? It can use native
> > backends, such as QuickTime and DirectShow.
> >
> > Michael
> >
> > On 11. Jul, 2009, at 9:42, Dominik Szczerba wrote:
> >
> >> On Fri, 2009-07-10 at 20:39 -0400, Mike Jackson wrote:
> >>>
> >>> Something that has been on my "todo" list for a long time is to use
> >>> Quicktime as a back end on at least OS X to create movies. I have just
> >>> never had the time to start down that path. This could also be used on
> >>> Windows if needed, but using the native windows media is probably
> >>> better. At least that way those on OS X can have their choice of legal
> >>> codecs to use. Just not sure what to do on the Linux side of things.
> >>>
> >>
> >> ffmpeg please.
> >>
> >> -- Dominik
> >>
> >>> Mike
> >>>
> >>> On Fri, Jul 10, 2009 at 12:12 PM, Michael Wild<themiwi at gmail.com> wrote:
> >>>>
> >>>> Will do as soon as I have a patch ready...
> >>>>
> >>>> Michael
> >>>>
> >>>> On 10. Jul, 2009, at 17:25, Berk Geveci wrote:
> >>>>
> >>>>> I agree that it would be nice to add ogg/theora. I am guessing ffmpeg
> >>>>> supports it. Would you mind adding a feature request in
> >>>>> http://paraview.org/Bug.
> >>>>>
> >>>>> Thanks,
> >>>>> -berk
> >>>>>
> >>>>> On Thu, Jul 9, 2009 at 3:05 PM, Michael Wild<themiwi at gmail.com> wrote:
> >>>>>>
> >>>>>> Thanks Berk and David for the prompt answer.
> >>>>>>
> >>>>>> Licensing certainly is a good reason. But then, mjpeg produces much
> >>>>>> larger
> >>>>>> movies. Every frame is a key-frame. How about offering a choice
> >>>>>> between
> >>>>>> mjpeg and ogg/theora in the export dialog?
> >>>>>>
> >>>>>> Michael
> >>>>>>
> >>>>>> On 9. Jul, 2009, at 20:15, David E DeMarle wrote:
> >>>>>>
> >>>>>>> We had two reasons, licensing, and cross platform playability
> >>>>>>> see:
> >>>>>>> http://markmail.org/message/2dhkwsnhou3x4bjw
> >>>>>>
> >>>>>> Dang, I searched the archives, but nothing useful showed up... must
> >>>>>> have
> >>>>>> used the wrong keywords!
> >>>>>>
> >>>>>>>
> >>>>>>> David E DeMarle
> >>>>>>> Kitware, Inc.
> >>>>>>> R&D Engineer
> >>>>>>> 28 Corporate Drive
> >>>>>>> Clifton Park, NY 12065-8662
> >>>>>>> Phone: 518-371-3971 x109
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>> On Thu, Jul 9, 2009 at 11:32 AM, Michael Wild<themiwi at gmail.com>
> >>>>>>> wrote:
> >>>>>>>>
> >>>>>>>> Hi all
> >>>>>>>>
> >>>>>>>> is there a specific reason why the movie encoding was changed from
> >>>>>>>> MPEG4
> >>>>>>>> to
> >>>>>>>> MJPEG?
> >>>>>>>>
> >>>>>>>> See: http://www.vtk.org/Bug/view.php?id=8925
> >>>>>>>>
> >>>>>>
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