DCP Streaming

[Aaron Boxer]

On Fri, Sep 23, 2016 at 10:26 AM, Sebastian Dröge <sebastian at centricular.com
> wrote:

> On Do, 2016-09-22 at 20:07 -0400, Aaron Boxer wrote:
> >
> > On Thu, Sep 22, 2016 at 4:21 PM, Sebastian Dröge <
> sebastian at centricular.com> wrote:
> > > On Do, 2016-09-22 at 15:48 -0400, Aaron Boxer wrote:
> > > >
> > > > Thanks. DCP is a container for video and audio, and other metadata.
> I would like to create
> > > > a plugin that decompresses the video, and then streams over an
> existing protocol,.
> > >
> > > So you want to write a demuxer for DCP, that is then outputting the
> > > JPEG2000 video stream (and the audio), and gets the input via filesrc
> > > or anything else?
> >
> > Thanks, yes. I would like to create the following components:
> >
> > 1) read DCP file from disk and demux using asdcplib, a separate library
> using openssh
> > 2) store uncompressed video and audio in container
> > 3) stream using RTSP protocol to VLC client
> >
> > I chose RTSP because I would like the VLC client to be able to seek,
> rewind, ff, pause.
>
> Ok, so start by looking at similar demuxers and then get an idea how to
> wrap the API of that library in GStreamer. If you need any help with
> details then, just ask here :)
>
> > > > So, my question is: what is the best streaming format to use, once I
> decompress ?
> > > > For example, are there lossless video streaming formats ? Lossless
> because the original
> > > > is "visually lossless", so don't want to lose too much image quality.
> > >
> > > You could use ffv1, Dirac/VC2, JPEG2000, dnxhd, prores, huffyuv, just
> > > raw video, ... It depends on how you want to transmit it and what
> > > software is on the other side.
> >
> > I would prefer raw video, as long as VLC client supports it.
>
> Well, you'll have to try that then :) GStreamer supports raw video over
> RTP just fine.
>


Awesome, thanks!
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