[gst-devel] 来自liangzhihong1984 at 126.com的邮件

[Edward Hervey]

I am talking about HDV cameras (http://en.wikipedia.org/wiki/HDV) which
output the encoded data as mpeg-ts over firewire.


On Thu, 2008-07-03 at 13:41 +0200, mattias wrote:
> HD, are we talking 1920x1080 captured?
> We are capturing at 1600x1200 and scaling + cropping it to HD and we are 
> getting like 0.2s latency.
> 
> Regards,
> 
> Mattias
> 
> Edward Hervey wrote:
> > On Thu, 2008-07-03 at 19:32 +0800, liangzhihong1984 wrote:
> >   
> >>  I want do develop a HDV video conference application, and was doing
> >> some test to make sure whether GStreamer can help me to do this.
> >> Because it needs RTP, RTCP, are they supported by GStreamer? can
> >> anybody give me a answer.Thanks.
> >>     
> >
> >   You should be aware that HDV cameras will NOT output the encoded
> > mpeg/ts stream instantaneously (as opposed to standard DV)... so you
> > will have a big latency between what is shot and what is received on the
> > firewire bus (we're talking latencies of 1-2 seconds here, which is
> > unacceptable for any kind of live video-conferencing solution).
> >
> >   
> >>  
> >>  
> >>  
> >>
> >>
> >>
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