Video examples of gst-launch

[Yuriy Rusinov]

Hello !

Problem was solved, thanks a lot.

On Thu, Nov 21, 2019 at 5:59 PM Nicolas Dufresne <nicolas at ndufresne.ca>
wrote:

> Le jeudi 21 novembre 2019 à 17:32 +0300, Yuriy Rusinov a écrit :
> > Hello, Nicolas !
> >
> > Desktop architecture.
> > I correct command line. omxh264enc -> x264enc. But new bug was arisen.
> > gst-launch-1.0 -e --gst-debug-level=2 filesrc
> location=/home/ylr/ship_no_scales.avi ! videoconvert ! x264enc
> bitrate=2048000 ! h264parse ! rtph264pay mtu=1400 ! udpsink sync=false
> async=false
> > produce
> >
> > Setting pipeline to PAUSED ...
> > Pipeline is PREROLLED ...
> > 0:00:00.045919435 29207 0x55661738f4f0 WARN                 basesrc
> gstbasesrc.c:3072:gst_base_src_loop:<filesrc0> error: Internal data stream
> error.
> > 0:00:00.045940340 29207 0x55661738f4f0 WARN                 basesrc
> gstbasesrc.c:3072:gst_base_src_loop:<filesrc0> error: streaming stopped,
> reason not-negotiated (-4)
>
> No negotiated, means two of the elements you tried to connect are
> incompatible. In this case it quite clear, you try to send AVI to
> videoconvert. AVI files need to be demuxed, as they may contain
> multiple streams. Then what comes next depends on the specific AVI
> file. Again, there is decodebin to help you demux and decode with less
> programming.
>
> p.s. try to start with tune=zerolatency on x264enc for RTP streaming.
>
> > ERROR: from element /GstPipeline:pipeline0/GstFileSrc:filesrc0: Internal
> data stream error.
> > Additional debug info:
> > gstbasesrc.c(3072): gst_base_src_loop ():
> /GstPipeline:pipeline0/GstFileSrc:filesrc0:
> > streaming stopped, reason not-negotiated (-4)
> > ERROR: pipeline doesn't want to preroll.
> > Setting pipeline to PAUSED ...
> > Setting pipeline to READY ...
> > Setting pipeline to NULL ...
> > Freeing pipeline ...
> >
> > I never worked with gstreamer before and all that I find in google does
> not help.
> >
> >
> >
> > On Thu, Nov 21, 2019 at 4:46 PM Nicolas Dufresne <nicolas at ndufresne.ca>
> wrote:
> > >
> > > Le jeu. 21 nov. 2019 03 h 25, Yuriy Rusinov <yrusinov at gmail.com> a
> écrit :
> > > > Sorry, Ubuntu 19.10
> > >
> > > Which architecture? OMX is currently only used on older Raspberry Pi,
> Xilinx ZynqMP and NVidia Tegra séries. Try decodebin when unsure.
> > >
> > > > On Thu, Nov 21, 2019 at 10:44 AM Yuriy Rusinov <yrusinov at gmail.com>
> wrote:
> > > > > Hello, colleagues !
> > > > >
> > > > > I try to launch my video with gst-launch using examples from
> documentation.
> > > > > If I try to
> > > > > gst-launch-1.0 filesrc location=my_file.avi ! videoconvert !
> omxh264enc low-latency=1 control-rate=2 bitrate=4000000 insert-sps-pps=true
> ! h264parse ! rtph264pay mtu=1400 ! udpsink sync=false async=false
> > > > > then I receive an error
> > > > > erroneous pipeline: no element omxh264enc
> > > > > despite of all plugins of gstreamer were set. System Ubuntu linux
> 9.2. Which way I have to solve it ?
> > > > >
> > > > >
> > > > > --
> > > > > Best regards,
> > > > > Sincerely yours,
> > > > > Yuriy Rusinov.
> > > >
> > > >
> > > > --
> > > > Best regards,
> > > > Sincerely yours,
> > > > Yuriy Rusinov.
> > > > _______________________________________________
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> > > > gstreamer-devel at lists.freedesktop.org
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> > >
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> >
> >
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-- 
Best regards,
Sincerely yours,
Yuriy Rusinov.
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