UTC timestamp into H.264 stream

[Florian Langlois]

Hmm actually i should inherit from GstBaseParse
Le 12 janv. 2016 1:31 AM, "Florian Langlois" <chamois94 at gmail.com> a écrit :

> Thx for the answer.
>
> Can I simply inherit from GstBaseTransform and use the tracked segment
> from it since it keeps a copy of it ?
> Le 12 janv. 2016 12:25 AM, "Nicolas Dufresne" <
> nicolas.dufresne at collabora.com> a écrit :
>
>> Le lundi 11 janvier 2016 à 23:24 +0100, Florian Langlois a écrit :
>> > Hello,
>> > For a project I need to insert UTC timestamps into a h.264 stream
>> > using the MISB ST 604.
>> > I also need to insert Commercial precision timestamp detailled in the
>> > same  MISB.
>> > Frames are captured from a live source v4l2src then encoded using an
>> > imx6 encoder and send with a udpsink.
>> > Before to start I want to know if someone here has  any idea of what
>> > would be a good pipeline architecture for that ?
>> > I wanted to develop a dedicated plugin for that but i dont know how
>> > to get correct UTC timestamp ? Do such a gstclock exist ?
>> > Thx
>> > Florian
>>
>> You can grab the system clock and set the clock-type property to
>> GST_CLOCK_TYPE_REALTIME (instead of default which is
>> GST_CLOCK_TYPE_MONOTONIC). Then you need to force your pipeline into
>> using that clock, see gst_pipeline_use_clock() method.
>>
>> Note that to convert the buffer timestamp into clock time (UTC time),
>> you will have to track the GstSegment structure from the segment event,
>> convert the timestamp to running-time and add the pipeline base time
>> (gst_element_get_base_time(pipeline)).
>>
>> cheers,
>> Nicolas
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20160112/1727fab9/attachment.html>