GstWebRTC - PubNub Audio + Video Examples - x86
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This page links to the GstWebRTC audio and video examples using PubNub.
H264+Opus
Unidirectional elements
Example
In this example we use rrwebrtcsink to send a video stream and an audio stream, then rrwebrtcsrc receive the video and audio streams.
It seems that browsers do not get along with x264 because of SEI NAL units sent with the stream. As a workaround, we set key-int-max=1 and avoid the SEI insertions.
Send Pipeline
USER_CHANNEL=123
PEER_CHANNEL=123peer
gst-launch-1.0 rrwebrtcsink rtcp-mux=true start-call=true signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
videotestsrc is-live=true ! x264enc aud=false key-int-max=1 tune=zerolatency intra-refresh=true ! "video/x-h264,profile=constrained-baseline,level=(string)3.1" ! rtph264pay ! web.video \
audiotestsrc is-live=true ! opusenc ! rtpopuspay ! web.audio
Receive Pipeline
USER_CHANNEL=123peer
PEER_CHANNEL=123
gst-launch-1.0 rrwebrtcsrc rtcp-mux=true start-call=false signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
web.video ! rtph264depay ! h264parse ! avdec_h264 ! autovideosink \
web.audio ! rtpopusdepay ! opusdec ! autoaudiosink
Bidirectional elements
Example
In this example we use two rrwebrtcbins, each send a video stream and an audio stream, and receives each other video and audio streams.
Send-Receive Pipeline
USER_CHANNEL=123
PEER_CHANNEL=123peer
gst-launch-1.0 rrwebrtcbin rtcp-mux=true start-call=true signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
videotestsrc is-live=true ! x264enc aud=false key-int-max=1 tune=zerolatency intra-refresh=true ! "video/x-h264,profile=constrained-baseline,level=(string)3.1" ! rtph264pay ! web.video_sink \
audiotestsrc is-live=true ! opusenc ! rtpopuspay ! web.audio_sink \
web.video_src ! rtph264depay ! h264parse ! avdec_h264 ! autovideosink \
web.audio_src ! rtpopusdepay ! opusdec ! autoaudiosink
Send-Receive Pipeline
USER_CHANNEL=123peer
PEER_CHANNEL=123
gst-launch-1.0 rrwebrtcbin rtcp-mux=true start-call=false signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
videotestsrc is-live=true ! x264enc aud=false key-int-max=1 tune=zerolatency intra-refresh=true ! "video/x-h264,profile=constrained-baseline,level=(string)3.1" ! rtph264pay ! web.video_sink \
audiotestsrc is-live=true ! opusenc ! rtpopuspay ! web.audio_sink \
web.video_src ! rtph264depay ! h264parse ! avdec_h264 ! autovideosink \
web.audio_src ! rtpopusdepay ! opusdec ! autoaudiosink
VP8+Opus
Unidirectional elements
Example
In this example we use rrwebrtcsink to send a video stream and an audio stream, then rrwebrtcsrc receive the video and audio streams.
Send Pipeline
USER_CHANNEL=123
PEER_CHANNEL=123peer
gst-launch-1.0 rrwebrtcsink rtcp-mux=true start-call=true signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
videotestsrc is-live=true ! vp8enc ! rtpvp8pay ! web.video \
audiotestsrc is-live=true ! opusenc ! rtpopuspay ! web.audio
Receive Pipeline
USER_CHANNEL=123peer
PEER_CHANNEL=123
gst-launch-1.0 rrwebrtcsrc rtcp-mux=true start-call=false signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
web.video ! rtpvp8depay ! avdec_vp8 ! autovideosink \
web.audio ! rtpopusdepay ! opusdec ! autoaudiosink
Bidirectional elements
Example
In this example we use two rrwebrtcbins, each send a video stream and an audio stream, then receives each other video and audio streams.
Send-Receive Pipeline
USER_CHANNEL=123
PEER_CHANNEL=123peer
gst-launch-1.0 rrwebrtcbin rtcp-mux=true start-call=true signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
videotestsrc is-live=true ! vp8enc ! rtpvp8pay ! web.video_sink \
audiotestsrc is-live=true ! opusenc ! rtpopuspay ! web.audio_sink \
web.video_src ! rtpvp8depay ! avdec_vp8 ! autovideosink \
web.audio_src ! rtpopusdepay ! opusdec ! autoaudiosink
Send-Receive Pipeline
USER_CHANNEL=123peer
PEER_CHANNEL=123
gst-launch-1.0 rrwebrtcbin rtcp-mux=true start-call=false signaler::user-channel=$USER_CHANNEL signaler::peer-channel=$PEER_CHANNEL name=web \
videotestsrc is-live=true ! vp8enc ! rtpvp8pay ! web.video_sink \
audiotestsrc is-live=true ! opusenc ! rtpopuspay ! web.audio_sink \
web.video_src ! rtpvp8depay ! avdec_vp8 ! autovideosink \
web.audio_src ! rtpopusdepay ! opusdec ! autoaudiosink
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