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Can not play MKV

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Mikl

Can not play MKV

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.

Duncan Palmer-2

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]> 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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Mikl

Re: Can not play MKV

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]>
Sent: Friday, September 30, 2016 12:02:07 AM
To: Michael Yarochkin
Subject: Re: Can not play MKV

On 26 September 2016 at 18:13, Mikl <[hidden email]> 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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sudipj

Re: Can not play MKV

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] <[hidden email]> 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]>
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]> 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.

--
View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Can-not-play-MKV-tp4679788.html
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sudipj

Re: Can not play MKV

In reply to this post by Mikl

I meant Miki instead of Duncan

On 30 September 2016 at 12:38, Sudip Jain <[hidden email]> wrote:

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] <[hidden email]> 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]>
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]> 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.

--
View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Can-not-play-MKV-tp4679788.html
Sent from the GStreamer-devel mailing list archive at Nabble.com.
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Mikl

Re: Can not play MKV

In reply to this post by sudipj

Hello, Sudip

Sorry for stupid question, but how to do it?

Can you give step by step description of how to dump pipeline in dot file, please?

Using gst-play-1.0 with some keys?

I have dot utility from graphviz.org.

Mikl

From: sudipj [via GStreamer-devel] <ml-node+[hidden email]>
Sent: Friday, September 30, 2016 9:02:47 AM
To: Michael Yarochkin
Subject: Re: Can not play MKV

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] <[hidden email]> 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]>
Sent: Friday, September 30, 2016 12:02:07 AM
To: Michael Yarochkin
Subject: Re: Can not play MKV

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Mikl

Re: Can not play MKV

In reply to this post by sudipj

Hello, Sudip

I am using windows.

Mikl

From: sudipj [via GStreamer-devel] <ml-node+[hidden email]>
Sent: Friday, September 30, 2016 9:12:00 AM
To: Michael Yarochkin
Subject: Re: Can not play MKV

I meant Miki instead of Duncan

On 30 September 2016 at 12:38, Sudip Jain <[hidden email]> wrote:

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] <[hidden email]> 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]>
Sent: Friday, September 30, 2016 12:02:07 AM
To: Michael Yarochkin
Subject: Re: Can not play MKV

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Mikl

Re: Can not play MKV

In reply to this post by sudipj

Hello,

I get it!

Sorry.

Here is result.

Mikl

From: sudipj [via GStreamer-devel] <ml-node+[hidden email]>
Sent: Friday, September 30, 2016 9:12:00 AM
To: Michael Yarochkin
Subject: Re: Can not play MKV

I meant Miki instead of Duncan

On 30 September 2016 at 12:38, Sudip Jain <[hidden email]> wrote:

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] <[hidden email]> 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]>
Sent: Friday, September 30, 2016 12:02:07 AM
To: Michael Yarochkin
Subject: Re: Can not play MKV

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1.txt (29K) Download Attachment

Mikl

Re: Can not play MKV

In reply to this post by sudipj

Hello,

My pipeline diagram is in attachment.

I don`t see any critical mistake in what i am doing.

Can you point it please?

Mikl

pipeline.png (875K) Download Attachment

sudipj

Re: Can not play MKV

Mikl,

I guess videoconvert element is needed between decoder and sink

gst-launch-1.0 filesrc location=C:\\test\\test.mkv ! matroskademux name=mux mux.video_0 ! jpegdec ! videocinvert ! autovideosink

as in the gst-play graph, videosink negotiated is d3dvideosink, it can be used directly in above pipeline.

On 30 September 2016 at 14:56, Mikl [via GStreamer-devel] <[hidden email]> wrote:

Hello,

My pipeline diagram is in attachment.

I don`t see any critical mistake in what i am doing.

Can you point it please?

Mikl

pipeline.png (875K) Download Attachment

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Mikl

Re: Can not play MKV

Hello,

YESSSSS!!!!!!!

IT IS A LIVE

videoconvert was missing

But this was a test of correct recording only.
My main task is to read frames inside application:

filesrc location=C:\\videoid\\video\\1474531038942.mkv ! matroskademux name=mux mux.video_0 ! jpegdec ! appsink

with extracting frames one by one.

Do i need videoconvert also there?

Mikl

sudipj

Re: Can not play MKV

There is no restriction on usage of videoconvert.

You can also fix the format by putting a caps filter in front of jpeg decoder, based on what formats application can accept.

for e.g

... ! jpegdec ! video/x-raw, format = xx ! appsink

Sudip

On 30 September 2016 at 17:20, Mikl [via GStreamer-devel] <[hidden email]> wrote:

Hello,

YESSSSS!!!!!!!

IT IS A LIVE

videoconvert was missing

But this was a test of correct recording only.
My main task is to read frames inside application:

filesrc location=C:\\videoid\\video\\1474531038942.mkv ! matroskademux name=mux mux.video_0 ! jpegdec ! appsink

with extracting frames one by one.

Do i need videoconvert also there?

Mikl

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Tim Müller

Re: Can not play MKV

On Fri, 2016-09-30 at 05:25 -0700, sudipj wrote:

> There is no restriction on usage of videoconvert.
>
> You can also fix the format by putting a caps filter in front of jpeg
> decoder, based on what formats application can accept.
>
> for e.g
> ... ! jpegdec ! video/x-raw, format = xx ! appsink

That's not going to work, I presume you forgot the videoconvert there?

... ! jpegdec ! videoconvert ! appsink caps=video/x-raw,format=RGB

Cheers
-Tim

--
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Join us at the GStreamer Conference!
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http://gstreamer.freedesktop.org/conference/

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