mpegtsmux and rtp timestamp

[Maxime Louvel]

bump

On Thu, Jun 14, 2012 at 4:11 PM, Maxime Louvel <m.louvel at gmail.com> wrote:

> Hi everyone,
>
> I'm using the following pipeline to stream a mpeg2 video within mpegts
> stream with rtp.
>
> gst-launch -e  videotestsrc num-buffers=100 ! video/x-raw-yuv,
> width=176,height=144,framerate=25/1 ! decodebin ! ffmpegcolorspace ! queue
> ! videorate ! video/x-raw-yuv,framerate=25/1 ! ffenc_mpeg2video quantizer=4
> gop-size=5 ! queue ! mpegtsmux ! rtpmp2tpay ! udpsink host=127.0.0.1
> port=5000
>
> gst-launch -e  udpsrc port=5000 caps="application/x-rtp, media=video,
> encoding-name=MP2TS" ! rtpmp2tdepay ! mpegtsdemux ! queue !
> ffdec_mpeg2video ! ffmpegcolorspace ! xvimagesink
>
> Since mpegtsmux fragments the video stream, the rtp packets are composed
> of several mpeg2ts packets.
> Hence my question is :
>
> What is the meaning of the rtp buffer timestamp ? Is is the most recent /
> old mpeg2ts timestamp ? Is it meaningless ? something else ?
> I'm mostly interested by the reception buffer timestamp (rtpdepay on the
> streaming client) but I guess the meaning is the same on the pay and depay
> side, isn't it ?
>
> thanks a lot
>
> Maxime
>
> --
> Maxime Louvel
> web page : https://sites.google.com/site/mlouvel/
> linkedin : http://fr.linkedin.com/in/mlouvel
> address : 5400-B ridge oak drive
>                Austin, Texas, 78731
>                USA
>
>


-- 
Maxime Louvel
web page : https://sites.google.com/site/mlouvel/
linkedin : http://fr.linkedin.com/in/mlouvel
address : 5400-B ridge oak drive
               Austin, Texas, 78731
               USA
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