Can not play MKV

[sudipj]

Duncan,

You need to export the variable as below

export GST_DEBUG_DUMP_DOT_DIR=/tmp (or any dir)

install dot utility ( from graphviz package if you are usbing ubuntu )

For e.g
dot -Tpng /tmp/0.00.00.710265346-gst-launch.PAUSED_PLAYING.dot >
pipeline.png

eog pipeline.png

Sudip

On 30 September 2016 at 12:18, Mikl [via GStreamer-devel] <
ml-node+s966125n4679861h22 at n4.nabble.com> wrote:

> Hello, Duncan
>
>
> Thank you for the answer.
>
>
> I can play back video using gst-play-1.0.
>
>
> Can you be more specific, please,  about how to "*them dump the resulting
> pipeline to a dot file*".
>
> It is no options at gst-play-1.0 to dump constructed pipeline in console.
>
>
>
> ------------------------------
> *From:* Duncan Palmer-2 [via GStreamer-devel] <ml-node+[hidden email]
> <http:///user/SendEmail.jtp?type=node&node=4679861&i=0>>
> *Sent:* Friday, September 30, 2016 12:02:07 AM
> *To:* Michael Yarochkin
> *Subject:* Re: Can not play MKV
>
> There's a few potential problems here. Rather than figuring out what they
> are, I'd suggest you just try playing it with gst-play-1.0 first, rather
> than manually constructing the pipeline. You can them dump the resulting
> pipeline to a dot file and view it if you'd like to get an idea of how to
> manually construct.
>
> On 26 September 2016 at 18:13, Mikl <[hidden email]
> <http:///user/SendEmail.jtp?type=node&node=4679857&i=0>> wrote:
> Hello,
>
> I have MKV, recodred my gstreamer
>   video: appsrc ! 'video/x-raw-rgb,width=800,height=600,framerate=24/1' !
> jpegenc ! matroskamux ! filesink
>   2 subtitles truks: appsrc ! '"text/x-raw' ! matroskamux ! filesink
>
> when i am trying to play it
> gst-launch-1.0 filesrc location=C:\\test\\test.mkv ! matroskademux name=mux
> mux.video_0! jpegdec ! autovideosink
>
> i have this error
>
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> ERROR: from element /GstPipeline:pipeline0/GstMatroskaDemux:mux: Internal
> data stream error.
> Additional debug info:
> matroska-demux.c(4759): gst_matroska_demux_loop ():
> /GstPipeline:pipeline0/GstMatroskaDemux:mux:
> streaming stopped, reason not-negotiated (-4)
> ERROR: pipeline doesn't want to preroll.
> Setting pipeline to NULL ...
> Freeing pipeline ...
>
> What is wrong?
> Can you help me please to play it
>
> Thank you in advance.
>
>
>
>
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