[theora-dev] FFmpeg's libavcoded

[Silvia Pfeiffer]

Paul,

thanks for the clarification - now it makes sense!

Good luck - also when you get to fixing the ogg muxer in ffmpeg!

Cheers,
Silvia.


On 12/30/06, Paul Richards <paul.richards at gmail.com> wrote:
> I am trying to give libavcodec in ffmpeg the ability to encode theora
> video.  I intend to do this by using libtheora in ffmpeg.
>
> The reason for doing this at the libavcodec level and not the
> application level (Handbrake) is so that more applications benefit (ie
> all that use ffmpeg).
>
> I have heard that the ogg muxer in ffmpeg may need a bit of work, and
> so my initial goal is to have the theora video written to an avi
> container.
>
>
> On 29/12/06, Silvia Pfeiffer <silviapfeiffer1 at gmail.com> wrote:
> > Paul,
> >
> > are you saying you're re-implementing ogg encapsulation and theora
> > encoding directly into the libavcodec library?
> >
> > If this is the case: even if you copy most of the source code from
> > libogg and libtheora, this entails a code fork with big consequences -
> > in particular maintainability.
> >
> > Am I misunderstanding you here? Or could you explain why you're trying
> > to pursue this path instead of just using the existing libraries?
> >
> > Regards,
> > Silvia.
> >
> > On 12/30/06, Paul Richards <paul.richards at gmail.com> wrote:
> > > I am aware of ffmpeg2theora, yes.  I am using parts of its source code
> > > as reference.
> > >
> > > FFmpeg2theora uses ffmpeg for input only, the theora output is done
> > > entirely with libogg + libtheora directly.  As I am sure you
> > > understand my goal is slightly different.
> > >
> > >
> > > PS. Why don't emails sent to this list have the reply-to set to
> > > theora-dev at xiph.org?
> > >
> > >
> > > On 29/12/06, Silvia Pfeiffer <silviapfeiffer1 at gmail.com> wrote:
> > > > Just checking: you are aware of ffmpeg2theora?
> > > >
> > > > Silvia.
> > > >
> > > > On 12/30/06, Paul Richards <paul.richards at gmail.com> wrote:
> > > > > Hi,
> > > > > I am letting myself known incase someone is interested in this or
> > > > > already has ideas on the subject.
> > > > >
> > > > > I would like to add Theora encoding to ffmpeg's libavcodec library.
> > > > > My goal is to add vorbis / theora / ogm output to Handbrake.  Doing
> > > > > this at the libavcodec level appears to make the most sense as it
> > > > > would benefit more people.
> > > > >
> > > > > I have already made a small start.  I have the configure & build
> > > > > scripts for ffmpeg using the correct libraries etc.  I am now simply
> > > > > browsing through the various API docs (for both libavcodec and
> > > > > libtheora) to attempt my wiring.
> > > > >
> > > > > Any tips, suggestions, or sources of documentation would be welcome. :)
> > > > >
> > > > > thanks,
> > > > >
> > > > > --
> > > > > Paul Richards
> > > > > _______________________________________________
> > > > > theora-dev mailing list
> > > > > theora-dev at xiph.org
> > > > > http://lists.xiph.org/mailman/listinfo/theora-dev
> > > > >
> > > >
> > >
> > >
> > > --
> > > Paul Richards
> > > _______________________________________________
> > > theora-dev mailing list
> > > theora-dev at xiph.org
> > > http://lists.xiph.org/mailman/listinfo/theora-dev
> > >
> >
>
>
> --
> Paul Richards
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