KLV stream not detected

Nicolas Dufresne nicolas at ndufresne.ca
Fri Jun 22 21:59:42 UTC 2018


Le ven. 22 juin 2018 16:42, Arturo Flores <arflobow at gmail.com> a écrit :

> 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.
>

1.15 is not a real version. Odd minor identify development branches. 1.15
is the current development branches, toward next stable branch 1.16. if you
can't wait to get a new feature, try and identify the patches that added
this feature, and then you can backport into your project.


> Thanks
>
> Arturo
>
>
> On Fri, Jun 22, 2018 at 12:53 PM, Nicolas Dufresne <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>
>> > 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
>> > > >
>> > > >
>> > > >
>> > > > _______________________________________________
>> > > > gstreamer-devel mailing list
>> > > > gstreamer-devel at lists.freedesktop.org
>> > > > https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>> > >
>> > >
>> > > _______________________________________________
>> > > gstreamer-devel mailing list
>> > > gstreamer-devel at lists.freedesktop.org
>> > > https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>> > >
>> >
>> > _______________________________________________
>> > gstreamer-devel mailing list
>> > gstreamer-devel at lists.freedesktop.org
>> > https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20180622/889640a0/attachment.html>


More information about the gstreamer-devel mailing list