Opus streaming directly from file

[Marc Leeman]

Some pipelines to support Tim ;-)

Generate file:
gst-launch-1.0 audiotestsrc ! opusenc ! matroskamux ! filesink
location=test.mkv

Stream file:
gst-launch-1.0 filesrc location=test.mkv ! matroskademux ! rtpopuspay !
rtpsink uri=rtp://239.1.2.3:2222

Streaming (live):
gst-launch-1.0 audiotestsrc ! opusenc ! rtpopuspay ! rtpsink uri=rtp://
239.1.2.3:2222

Decoding:
gst-launch-1.0 rtpsrc uri=rtp://239.1.2.3:2222?encoding-name=OPUS !
rtpopusdepay ! opusdec ! autoaudiosink

The rtp bins are
https://github.com/mleeman/gst-plugins-rtp

They hook up the RTP/RTCP pads so that (especially) audio can be decoded
with fewer hickups.

They are also in bugzilla since years, but I created a stand alone project
for easier maintenance and to keep them up-to-date. They should compile
easily against 1.14 (probably against earlier version too, I did not test
them).

On Mon, 23 Apr 2018 at 21:12 Tim Müller <tim at centricular.com> wrote:

> On Mon, 2018-04-23 at 19:56 +0100, Tim Müller wrote:
>
> > but opusparse doesn't seem to do the right thing for me here in my
> > quick testing.
> >
> > I would recommend putting the opus audio into a proper container such
> > as Matroska, Ogg or MPEG-TS and then you should be able to use
>
> Just to clarify: unlike MP3 Opus isn't self-framed and relies on
> external framing so you always need some kind of wrapper/container, you
> can't just dump the raw opus data into a file or stream and expect to
> play that back.
>
> Cheers
>  -Tim
>
> --
> Tim Müller, Centricular Ltd - http://www.centricular.com
> _______________________________________________
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> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
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