[Bug 785730] New: proposal for new SRT src/sink elements
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Wed Aug 2 12:48:51 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=785730
Bug ID: 785730
Summary: proposal for new SRT src/sink elements
Classification: Platform
Product: GStreamer
Version: git master
OS: All
Status: NEW
Severity: normal
Priority: Normal
Component: gst-plugins-bad
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: justin.joy.9to5 at gmail.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
SRT is another type of UDP-based protocol that optimizes streaming across
unpredictable networks. The SRT library is developing in
github(https://github.com/Haivision/srt).
I created an initial version of srtsrc and srtsink. Although the protocol is
based on UDP, the APIs look like connection oriented protocol so in my initial
version, srtsrc is a client, srtsink is a server.
I tested streaming by the below pipeline.
For srtsink, I couldn't find a proper TS file so I just transcoded sintel
trailer.
gst-launch-1.0 -v \
filesrc location=~/trailer.mp4 \
! decodebin name=d d. ! vaapih264enc ! queue ! mpegtsmux name=mux !
rtpmp2tpay ! srtsink \
d. ! avenc_ac3 ! mux.
gst-launch-1.0 -v \
srtsrc uri="srt://127.0.0.1:7001" \
caps="application/x-rtp, media=(string)video, clock-rate=(int)90000,
encoding-name=(string)MP2T" \
! rtpmp2tdepay ! decodebin name=d d. ! autovideosink sync=false d. !
autoaudiosink sync=false
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