[Live-devel] H.264 live video streaming

[James Norris]

If your data stream arrives as a continuous buffer (its not easy to
tell where NALs start/end) use H264VideoStreamFramer, if your NALs are
separated & delivered one by one, use the
H264VideoStreamDiscreteFramer.  You can cull the startcodes from the
NALs easily enough.

James



On Fri, Nov 18, 2011 at 6:07 PM, David J Myers
<david.myers at panogenics.com> wrote:
> Hi,
>
> I am trying to use Live555 to implement an RTSP  server in our IP camera.
>
>
>
> Our H.264 encoder produces NAL units preceded by a 00 00 00 01 start code.
>
>
>
> The encoding main thread then writes the NAL units to a linux pipe where
> they can be read by the RTSP Server thread for streaming out.
>
>
>
> My questions are:-
>
> 1.       Is the linux pipe method a good enough mechanism for getting the
> data to the server? Has anyone else done this?
>
> 2.       Which H264 framer class do I need? The new
> H264VideoStreamDiscreteFramer class doesn’t seem right because I have these
> start codes on each NAL unit. If I base a new class on
> H264VideoStreamFramer, do I need to remove the start codes?
>
> 3.       What else does the framer class need to do? Is there an example of
> this anywhere?
>
>
>
> Thanks and regards
>
> David
>
>
>
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