Low FPS with rtpgstpay and udpsink

[Olivier Crête]

Hello,

You can use lossless H.264, with "x264enc pass=quant quantizer=0", but
that won't give you amazing compression. With h.264 intra-only
profiles, you can get near-lossless qualities at lower bitrates.

Olivier

On Thu, 2015-10-15 at 16:14 +0100, Hamdi Rakkez wrote:
> Yes the problem seems to be originated from the network bandwidth
> limitation.
> 
> What lossless codec can I use in similar conditions ??
> 
> On Tue, Oct 13, 2015 at 7:30 PM, Mark Howell <mark-sub1 at hypgnosys.org
> > wrote:
> > Hamdi, it might just be network. Since the video you are sending is
> > raw, you can expect the bit rate to be 1088 h * 1000 v * 8
> > bits/pixel * 40 fps = about 350 Mbps without any packaging
> > overhead. That won't all fit in a 100 Mbps net link ("Fast
> > Ethernet"), and may not play well even on a 1 Gbps network.
> > 
> > Try encoding/compressing the video before putting it on the
> > network?
> > 
> > Cheers,
> > 
> > Mark.
> > 
> > 
> > On 10/13/2015 10:25 AM, Hamdi Rakkez wrote:
> > > Hi list,
> > > 
> > > I'm using gstreamer-1.5.90 on ubuntu 14.04.
> > > 
> > > I want to stream a raw-GRAY8(1088X1000) video over the network.
> > > 
> > > The two PCs are connected directly (no routers, no switches) with
> > > a Fast Ethernet (RG45) wired connection.
> > > 
> > > Here's the streaming pipeLine :
> > > 
> > > gst-launch-1.0 videotestsrc pattern=ball ! video/x-raw,
> > > format=GRAY8, width=1088, height=1000, framerate=40/1 ! rtpgstpay
> > > mtu=65000 ! queue ! udpsink host=Recipient_ip_Address port=5000
> > > 
> > > Here's the recipient PipeLine :
> > > 
> > > gst-launch-1.0 udpsrc port=5000 caps="application/x-rtp,
> > > media=(string)application, clock-rate=(int)90000, encoding
> > > -name=(string)X-GST,
> > > caps=dmlkZW8veC1yYXcsIGZvcm1hdD0oc3RyaW5nKUdSQVk4LCB3aWR0aD0oaW50
> > > KTEwODgsIGhlaWdodD0oaW50KTEwMDAsIGZyYW1lcmF0ZT0oZnJhY3Rpb24pMC8xL
> > > CBibG9ja3NpemU9MTA4ODAwMAo, payload=(int)96" ! rtpgstdepay !
> > > fpsdisplaysink sync=false -v
> > > 
> > > The problem is the low fps that I am having in the reception PC.
> > > (I should have a 40 fps but I am barely having 16 fps)
> > > 
> > > Can anyone tell me what I am doing wrong here.
> > > 
> > > Thank you.
> > > 
> > > Best Regards,
> > > Hamdi
> > > 
> > > 
> > > _______________________________________________
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> > > gstreamer-devel at lists.freedesktop.org
> > > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> > 
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> > 
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-- 
Olivier Crête
olivier.crete at collabora.com