KLV stream not detected

[John Hanks]

Sorry for the late response - I've been out of town.

I am running on Linux and did a git update (git pull origin). The git 
repository updated to 1.15 a couple of weeks ago.

John


On 06/22/2018 04:36 PM, Arturo Flores wrote:
> Hi Nicolas,
>
> The output I've observed in all of the gstreamer1.x versions I've 
> tried (up to 1.14.1) is:
>
> Done discovering file:///somefilewithklv.mpg
>
> Topology:
> container: MPEG-2 Transport Stream
>   video: H.264 (Baseline Profile
>
> John Hanks says he observed the "unknown: meta/x-klv" line in 
> gstreamer 1.15.0.1  .  I don't have that version, and I don't know 
> where to get it.  If you know where to get it, please let me know.
>
> Thanks
>
> Arturo
>
>
> On Fri, Jun 22, 2018 at 12:53 PM, Nicolas Dufresne 
> <nicolas at ndufresne.ca <mailto:nicolas at ndufresne.ca>> wrote:
>
>     Le vendredi 22 juin 2018 à 11:22 -0700, Arturo Flores a écrit :
>     > btw, I tried downloading a few other versions of gstreamer (1.10,
>     > 1.12, 1.13 ), I'm observing the same behavior in those versions
>     too.
>     > Should I be able to detect the KLV stream?
>     >
>     > On Thu, Jun 21, 2018 at 5:52 PM, John Hanks <jhanks at vsicorp.com
>     <mailto:jhanks at vsicorp.com>>
>     > wrote:
>     > > It works correctly on 1.15.0.1.  It must be a bug in 14.:
>     > > norman:~$ gst-discoverer-1.0 --gst-version
>     > > GStreamer Core Library version 1.15.0.1
>     > > norman:~$ gst-discoverer-1.0 /data/file.ts
>     > > Analyzing file:///data/file.ts
>     > > Done discovering file:///data/file.ts
>     > >
>     > > Topology:
>     > >   container: MPEG-2 Transport Stream
>     > >     video: H.264 (High 4:2:2 Profile)
>     > >     audio: MPEG-2 AAC
>     > >     unknown: meta/x-klv
>
>     Why do you say it's undetected ? This lines indicated it is. It says
>     unknown, because it does not fit in any of the 3 categories discoverer
>     knows, which is video/audio/text.
>
>     > >
>     > > Properties:
>     > >   Duration: 0:00:19.095193925
>     > >   Seekable: yes
>     > >   Live: no
>     > >   Tags:
>     > >       language code: en
>     > >       audio codec: MPEG-2 AAC
>     > >       video codec: H.264
>     > >
>     > > John
>     > >
>     > > On 06/21/2018 01:41 PM, Arturo Flores wrote:
>     > > > I have a file that contains two streams: a video stream and
>     a klv
>     > > > stream.  One problem I have encountered is it appears the KLV
>     > > > stream is not being detected when using gstreamer-1.0 .  For
>     > > > example, if I use gst-discoverer-0.10 on this file I get:
>     > > >
>     > > > ...
>     > > > Done discovering file://somefilewithklv.mpg
>     > > >
>     > > > Topology:
>     > > >   container: MPEG-2 Transport Stream
>     > > >     video: H.264
>     > > >     unknown: private/klv
>     > > > ...
>     > > >
>     > > >
>     > > > However, if I use the new gstreamer tool gst-discoverer-1.0, I
>     > > > get:
>     > > >
>     > > > Done discovering file:///somefilewithklv.mpg
>     > > >
>     > > > Topology:
>     > > >   container: MPEG-2 Transport Stream
>     > > >     video: H.264 (Baseline Profile)
>     > > >
>     > > > I am using gstreamer-1.0-1.14.1 if it makes a difference. 
>     Should
>     > > > I be seing the unknown:private/klv stream when using the new
>     gst-
>     > > > discoverer-1.0 ?
>     > > >
>     > > > Thanks
>     > > >
>     > > > Arturo
>     > > >
>     > > >
>     > > >
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