[FFmpeg-devel] Fwd: Interested in NEW Seeking API of GSoC09
Sat Mar 21 05:12:59 CET 2009
On Fri, Mar 20, 2009 at 09:53:44PM -0500, Daniel Verkamp wrote:
> On Fri, Mar 20, 2009 at 9:03 PM, zhentan feng <spyfeng at gmail.com> wrote:
> > Hi
> > This is a forward mail from ffmpeg-soc list without reply and forgive me
> > repost it here.
> > If the qualification task is necessary, I'll choose "Implement a Vivo
> > demuxer for ffmpeg" as a qualification task.
> > ---------- Forwarded message ----------
> > From: zhentan feng <spyfeng at gmail.com>
> > Date: 2009/3/20
> > Subject: Interested in NEW Seeking API of GSoC09
> > To: FFmpeg Google SoC list <ffmpeg-soc at mplayerhq.hu>
> > Cc: Baptiste Coudurier <baptiste.coudurier at smartjog.com>
> > hi,
> > My name is zhentan feng, and I am a student from china.
> > I have finished last year's soc project MXF muxer mentored by Baptiste.
> > This summer, I plan to apply a soc project of ffmpeg again, and i am
> > interested in the NEW Seeking API project.
> > should I start from qualification task again or beginning to collect
> > information for the new project?
> > sincerely yours
> > zhentan feng
> > --
> > Best wishes~
> I was playing around with writing a Vivo demuxer myself, but it
> currently doesn't work; attached is the (horribly messy) work so far.
> I'm not sure if it's actually working, but feeding the supposedly
> H.263 video stream from any of the samples to ffmpeg's decoder results
> in a bunch of nasty error messages about various invalid values; this
> could be because my code is broken (likely :) or because the video is
> not actually standard H.263 (also possible; anyone have more
> information?). The mplayer demuxer uses the binary Win32 codecs to
> decode both the video and audio, so it's not too much help here.
> FFmpeg also doesn't currently support either of the possible audio
> codecs (G.723 and Siren), so I can't check if those work either.
> I'm probably not going to work on it any more unless someone's got a
> revelation about the H.263 problems, so feel free to do what you want
> with it...
could you upload a small part of the "h263" demuxed to individual raw
(-f image2) files and tared?
this should make it easier for interrested parties to take a look at the
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I do not agree with what you have to say, but I'll defend to the death your
right to say it. -- Voltaire
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