Hi Paulo,

This is good.. thanks I will test it with my camera too..

Regards,
Ajay Bhargav

----- "Paulo Assis" <pj.as...@gmail.com> wrote:

> Hi,
> see attached a patched capture example, for saving the driver output
> buffer into raw files (200).
> I haven't been able to test build it, but the changes are minimal so
> it should work.
> 
> You just need to change the resolution, and maybe the pixel format to
> whatever the driver expects.
> see lines 495-497.
> 
> Regards,
> Paulo
> 
> 2011/9/9 Robert Krakora <rob.krak...@messagenetsystems.com>:
> > All,
> >
> > I forgot to tell you that I came up with one more patch for the UVC
> source
> > in v4l2 to get MPEG2 transport streams to behave correctly.  I have
> attached
> > it to this e-mail.  My sincerest apologies.
> >
> > Best Regards,
> >
> > --
> > Rob Krakora
> > MessageNet Systems
> > 101 East Carmel Dr. Suite 105
> > Carmel, IN 46032
> > (317)566-1677 Ext 212
> > (317)663-0808 Fax
> >
> > On Fri, Sep 9, 2011 at 10:05 AM, Paulo Assis <pj.as...@gmail.com>
> wrote:
> >>
> >> Well one important thing to notice is the pixel format returned by
> the
> >> driver, will it differentiate between avc and svc streams, or even
> >> mpeg2 ?
> >> If not maybe then it becomes harder for generic apps to decode it,
> >> unless we use a bunch of switch cases for the different cameras
> >> (something like this would be best implemented in the driver
> though)
> >>
> >> Regards,
> >> Paulo
> >>
> >> 2011/9/9 Ajay Bhargav <ajay.bhar...@einfochips.com>:
> >> > Hi Robert,
> >> >
> >> > As you know its a development camera... I think my camera need
> some
> >> > fixing..
> >> > my hardware decoder does not work with H.264 stream directly... I
> added
> >> > h264parse element before h264 decoder in gstreamer pipeline to
> make it
> >> > work.
> >> >
> >> > Regards,
> >> > Ajay Bhargav
> >> >
> >> > ----- "Robert Krakora" <rob.krak...@messagenetsystems.com>
> wrote:
> >> >
> >> > Hi Ajay,
> >> >
> >> > The encoder in your camera may be different and produce H.264
> AVC
> >> > instead of
> >> > SVC.  The latest gstreamer-ffmpeg did not work for me for the
> FaceVsion
> >> > Touchcam E1.
> >> >
> >> > Best Regards,
> >> >
> >> > Rob Krakora
> >> >
> >> > On Fri, Sep 9, 2011 at 9:18 AM, Ajay Bhargav
> >> > <ajay.bhar...@einfochips.com>
> >> > wrote:
> >> >>
> >> >> Hi Paulo,
> >> >>
> >> >> for me ffdec_h264 worked perfectly... I used current stable
> release of
> >> >> gstreamer-ffmpeg. It has many more formats...
> >> >>
> >> >> --Ajay Bhargav
> >> >>
> >> >>
> >> >> ----- "Paulo Assis" <pj.as...@gmail.com> wrote:
> >> >>
> >> >> > Hi,
> >> >> > have you tried the open svc decoder (
> >> >> > http://sourceforge.net/projects/opensvcdecoder/ ) ?
> >> >> >
> >> >> > It would probably be easier to add as dependency.
> >> >> >
> >> >> > Regards,
> >> >> > Paulo
> >> >> >
> >> >> > 2011/9/9 Alexey Fisher <bug-tr...@fisher-privat.net>:
> >> >> > > Hi Paulo,
> >> >> > >
> >> >> > > i have video dump from Robert, not v4l2... The problem with
> it is
> >> >> > codec. It
> >> >> > > seems to be some SVC variant of h264 and ffmpeg can't play
> it
> >> >> > correctly.
> >> >> > > Robert say, currently only fluh264dec (flyendo plugin for
> >> >> > > gstreamer)
> >> >> > can
> >> >> > > play it.
> >> >> > >
> >> >> > > Am 09.09.2011 13:23, schrieb Paulo Assis:
> >> >> > >>
> >> >> > >> Hi,
> >> >> > >> I was thinking on using ffmpeg (libavcodec) since this is
> already
> >> >> > a
> >> >> > >> guvcview dependency for enconding the streams, decoding
> them
> >> >> > shouldn't
> >> >> > >> be to hard, I just need to understand how they are handled
> by the
> >> >> > driver.
> >> >> > >> This is the reason I need the raw data, you should be able
> to use
> >> >> > the
> >> >> > >> v4l2 capture example to store the buffer data as delivered
> by the
> >> >> > driver
> >> >> > >> (something like buffer-1.raw,...,buffer-n.raw would be
> nice), or I
> >> >> > can
> >> >> > >> send you some code for doing this if you prefer.
> >> >> > >>
> >> >> > >> Regards,
> >> >> > >> Paulo
> >> >> > >>
> >> >> > >> 2011/9/9 Ajay Bhargav <ajay.bhar...@einfochips.com
> >> >> > >> <mailto:ajay.bhar...@einfochips.com>>
> >> >> > >>
> >> >> > >>    Hi Paulo,
> >> >> > >>
> >> >> > >>    I am not having H.264 camera, My camera is similar to
> >> >> > Facevision's
> >> >> > >>    Touchcam E1. It sends out MPEG2-TS stream encoded with
> H.264. I
> >> >> > have
> >> >> > >>    recorded some videos during my testing if that is fine
> for you
> >> >> > >> I
> >> >> > can
> >> >> > >>    send across... it would be great if guvcview can show
> >> >> > compressed
> >> >> > >>    streams :) we can make use of gstreamer to achieve
> this..
> >> >> > >>
> >> >> > >>    -- Ajay Bhargav
> >> >> > >>
> >> >> > >>
> >> >> > >>    ----- "Paulo Assis" <pj.as...@gmail.com
> >> >> > <mailto:pj.as...@gmail.com>>
> >> >> > >>    wrote:
> >> >> > >>
> >> >> > >>        Hi,
> >> >> > >>        I would like to add support for H.264 stream format
> in
> >> >> > guvcview,
> >> >> > >>        Could you post some stream info, or even better an
> example
> >> >> > of
> >> >> > >>        raw data output (does the capture buffer contains an
> exact
> >> >> > frame
> >> >> > >>        like in MJPEG ?)
> >> >> > >>
> >> >> > >>        Regards,
> >> >> > >>        Paulo
> >> >> > >>
> >> >> > >>        2011/9/9 Ajay Bhargav <ajay.bhar...@einfochips.com
> >> >> > >>        <mailto:ajay.bhar...@einfochips.com>>
> >> >> > >>
> >> >> > >>            Hi Srinivas,
> >> >> > >>
> >> >> > >>            UVC fixes wont be needed for you to get your
> cam
> >> >> > output..
> >> >> > >>
> >> >> > >>            You can build gstreamer0.10-ffmpeg to decode
> H.264
> >> >> > stream,
> >> >> > >>            Robert has used fluendo package for decoding.
> >> >> > >>
> >> >> > >>            --Ajay
> >> >> > >>
> >> >> > >>
> >> >> > >>            ----- "Max Lapshin" <max.laps...@gmail.com
> >> >> > >>            <mailto:max.laps...@gmail.com>> wrote:
> >> >> > >>
> >> >> > >>
> >> >> > >>
> >> >> > >>                On Fri, Sep 9, 2011 at 11:01 AM, Srinivas
> >> >> > Mandavilli
> >> >> > >>                <srinivas.mandavi...@lucivid.com
> >> >> > >>                <mailto:srinivas.mandavi...@lucivid.com>>
> wrote:
> >> >> > >>
> >> >> > >>                    Thanks Ajay! I just got a B990, and am
> trying
> >> >> > to
> >> >> > >>                    stream out H264.
> >> >> > >>
> >> >> > >>                Hi, Srinivas. Be so kind: if you will have
> success
> >> >> > with
> >> >> > >>                it, write an email: what kernel version are
> you
> >> >> > using?
> >> >> > >>
> >> >> > >>                I failed to do it with kernel 3.0.0
> >> >> > >>
> >> >> > >>                --
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> and
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> >> >> > >>                <http://www.CleanMailGateway.com/>, and is
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> >> >> > >>
> >> >> > >>
> >> >> > >>
> >> >> > >>            _______________________________________________
> >> >> > >>            Linux-uvc-devel mailing list
> >> >> > >>            Linux-uvc-devel@lists.berlios.de
> >> >> > >>            <mailto:Linux-uvc-devel@lists.berlios.de>
> >> >> > >>
> >> >> >  https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
> >> >> > >>
> >> >> > >>
> >> >> > >>
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> >> >> > >>
> >> >> > >>
> >> >> > >>
> >> >> > >>
> >> >> > >> _______________________________________________
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> >> >> > >> https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
> >> >> > >
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> >> >> >
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> >> > --
> >> > Rob Krakora
> >> > MessageNet Systems
> >> > 101 East Carmel Dr. Suite 105
> >> > Carmel, IN 46032
> >> > (317)566-1677 Ext 212
> >> > (317)663-0808 Fax
> >> >
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