[gst-devel] save an rtp stream: aviheader issue

[lorenzo centurelli]

Hi.
Can you write the transmission pipeline?
Which board are you using?

Lorenzo


2010/4/11 Mailing List SVR <lists at svrinformatica.it>

> I added a videorate element so this pipeline works:
>
> gst-launch-0.10 -e -v udpsrc port=6000 caps="application/x-rtp,
> media=(string)video, clock-rate=(int)90000, encoding-name=(string)JPEG,
> payload=(int)26" ! .recv_rtp_sink_0 gstrtpbin ! rtpjpegdepay  ! videorate !
> image/jpeg, width=352, height=288, framerate=3/1 ! avimux ! filesink
> location=test-gst.avi
>
> but if I don't know the framerate or the framerate is variable how can I
> tell
> to gstreamer to autodetect these infos?
>
>
> In data domenica 11 aprile 2010 12:34:01, Mailing List SVR ha scritto:
> : > Hi,
> >
> > I'm trying to save an rtp stream with the following pipeline:
> >
> > gst-launch-0.10 -e -v udpsrc port=6000 caps="application/x-rtp,
> > media=(string)video, clock-rate=(int)90000, encoding-name=(string)JPEG,
> > payload=(int)26" ! .recv_rtp_sink_0 gstrtpbin ! rtpjpegdepay  ! queue !
> > avimux ! filesink location=test-gst.avi
> >
> > the resulting file miss some information in the headers, if I try to see
> it
> > with mplayer I have this error:
> >
> > Playing test-gst.avi.
> > AVI file format detected.
> > [aviheader] Video stream found, -vid 0
> > AVI: No audio stream found -> no sound.
> > VIDEO:  [MJPG]  352x288  24bpp  0.000 fps    0.0 kbps ( 0.0 kbyte/s)
> > FPS not specified in the header or invalid, use the -fps option.
> > No stream found.
> >
> > to see the stream I have to manually specify the fps:
> >
> > mplayer -fps 3 test-gst.avi
> >
> > works fine,
> >
> >
> > using:
> >
> > gst-launch-0.10 playbin uri=file:///home/nicola/test-gst.avi
> >
> > the video is played very slow,
> >
> > what modifications I have to do to the above pipeline to generate a
> > standard aviheader?
> >
> > thanks
> > Nicola
> >
> > P.S. I need to use an avi container
> >
> >
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