Difference between revisions of "GstWebRTC - PubNub Video Examples - x86"
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=== Unidirectional elements === | === Unidirectional elements === | ||
− | == Example == | + | ==== Example ==== |
In this example we use webrtcsink to send a video stream and webrtcsrc to receive the video stream. | In this example we use webrtcsink to send a video stream and webrtcsrc to receive the video stream. | ||
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=== Bidirectional elements === | === Bidirectional elements === | ||
− | == Example == | + | ==== Example ==== |
In this example we use two webrtcbins, each send a video stream and receives each other video stream. | In this example we use two webrtcbins, each send a video stream and receives each other video stream. | ||
Revision as of 14:32, 20 February 2018
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This page presents some GstWebRTC video examples using PubNub.
H264
Unidirectional elements
Example
In this example we use webrtcsink to send a video stream and webrtcsrc to receive the video stream.
x264
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 webrtcsink 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
Receive Pipeline
USER_CHANNEL=123peer
PEER_CHANNEL=123
gst-launch-1.0 webrtcsrc 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
Bidirectional elements
Example
In this example we use two webrtcbins, each send a video stream and receives each other video stream.
x264
Send-Receive Pipeline
USER_CHANNEL=123
PEER_CHANNEL=123peer
gst-launch-1.0 webrtcbin 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 \
web.video_src ! rtph264depay ! h264parse ! avdec_h264 ! autovideosink
Send-Receive Pipeline
USER_CHANNEL=123peer
PEER_CHANNEL=123
gst-launch-1.0 webrtcbin 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 \
web.video_src ! rtph264depay ! h264parse ! avdec_h264 ! autovideosink
VP8
Example
In this example we use two webrtcbins, each send a video stream, and receives each other video stream.
Send-Receive Pipeline
USER_CHANNEL=123
PEER_CHANNEL=123peer
gst-launch-1.0 -v webrtcbin 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 \
web.video_src ! rtpvp8depay ! avdec_vp8 ! autovideosink
Send-Receive Pipeline
USER_CHANNEL=123peer
PEER_CHANNEL=123
gst-launch-1.0 -v webrtcbin 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 \
web.video_src ! rtpvp8depay ! avdec_vp8 ! autovideosink
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