GstWebRTC - GstWebRTC Examples
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Only Audio
Opus
Unidirectional
The following pipeline will send periodic ticks:
gst-launch-1.0 webrtcsink start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web audiotestsrc is-live=true wave=8 ! audioconvert ! audioresample \ ! queue ! opusenc ! rtpopuspay ! web.audio
The following pipeline will receive the periodic ticks:
gst-launch-1.0 webrtcsrc start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web web.audio ! rtpopusdepay ! opusdec ! audioconvert ! \ alsasink async=false
When executing the two previous pipelines, you should be able to listen the ticks in the receiving computer.
Bidirectional
The following pipeline will send a white noise audio stream and receive the ticks audio stream sent by the next pipeline. This pipeline starts the call.
gst-launch-1.0 webrtcbin start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web audiotestsrc is-live=true wave=5 ! audioconvert ! \ audioresample ! queue ! opusenc ! rtpopuspay ! web.audio_sink web.audio_src ! rtpopusdepay ! \ opusdec ! audioconvert ! alsasink sync=false async=false
The following pipeline will send ticks audio stream and receive the white noise audio stream sent by the previous pipeline. This pipeline joins the call.
gst-launch-1.0 webrtcbin start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web audiotestsrc is-live=true wave=8 ! audioconvert ! \ audioresample ! queue ! opusenc ! rtpopuspay ! web.audio_sink web.audio_src ! rtpopusdepay ! \ opusdec ! audioconvert ! alsasink sync=false async=false
When executing the two previous pipelines, you should be able to listen the ticks and the white noise.
Only Video
H264
Unidirectional
The following pipeline will send a color bars h264 video stream:
gst-launch-1.0 webrtcsink start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ x264enc key-int-max=2 ! rtph264pay ! queue ! web.video
The following pipeline will receive the video stream and display it:
gst-launch-1.0 webrtcsrc start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web web.video ! rtph264depay ! avdec_h264 ! videoconvert \ ! ximagesink async=true
You should be able to see a video pattern similar to Fig.1.
Bidirectional
In this example two identical pipelines send a video stream and receive each other video stream. The following pipeline starts the call:
gst-launch-1.0 webrtcbin start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ x264enc key-int-max=2 ! rtph264pay ! queue ! identity silent=false ! web.video_sink web.video_src \ ! rtph264depay ! avdec_h264 ! videoconvert ! ximagesink async=true
The following pipeline joins the call:
gst-launch-1.0 webrtcbin start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ x264enc key-int-max=2 ! rtph264pay ! queue ! identity silent=false ! web.video_sink web.video_src \ ! rtph264depay ! avdec_h264 ! videoconvert ! ximagesink async=true
You should be able to see two windows with a video pattern similar to Fig.1.
Vp8
Unidirectional
The following pipeline will send a color bars vp8 video stream:
gst-launch-1.0 webrtcsink start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ vp8enc ! rtpvp8pay ! queue ! identity ! web.video
The following pipeline will receive the video stream and display it:
gst-launch-1.0 webrtcsrc start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web web.video ! rtpvp8depay ! vp8dec ! videoconvert ! \ ximagesink async=true
You should be able to see a video pattern similar to Fig.1.
Bidirectional
In this example two identical pipelines send a video stream and receive each other video stream. The following pipeline starts the call:
gst-launch-1.0 webrtcbin start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ vp8enc ! rtpvp8pay ! queue ! identity silent=false ! web.video_sink web.video_src ! rtpvp8depay ! \ vp8dec ! videoconvert ! ximagesink async=true
The following pipeline joins the call:
gst-launch-1.0 webrtcbin start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ vp8enc ! rtpvp8pay ! queue ! identity silent=false ! web.video_sink web.video_src ! rtpvp8depay \ ! vp8dec ! videoconvert ! ximagesink async=true
You should be able to see two windows with a video pattern similar to Fig.1.
Audio and Video
Opus + H264
Unidirectional
The following pipeline will send periodic ticks and a video stream:
gst-launch-1.0 webrtcsink start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! x264enc key-int-max=2 ! \ rtph264pay ! web.video audiotestsrc is-live=true wave=8 ! audioconvert \ ! audioresample ! queue ! opusenc ! rtpopuspay ! web.audio
The following pipeline will receive the video stream and the ticks and do the playback:
gst-launch-1.0 webrtcsrc start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web web.video ! rtph264depay ! avdec_h264 ! videoconvert ! \ ximagesink async=false web.audio ! rtpopusdepay ! opusdec ! audioconvert ! alsasink async=false
When executing the two previous pipelines, you should be able to listen the ticks in the receiving computer and see a video pattern similar to Fig.1.
Bidirectional
The following pipeline starts a call, sends white noise audio stream and a color bar video stream, and receives audio and video streams.
gst-launch-1.0 webrtcbin start-call=true signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ x264enc key-int-max=2 ! rtph264pay ! queue ! identity silent=false ! web.video_sink web.video_src \ ! rtph264depay ! avdec_h264 ! videoconvert ! ximagesink async=true audiotestsrc is-live=true wave=5 \ ! audioconvert ! audioresample ! queue ! opusenc ! rtpopuspay ! web.audio_sink web.audio_src ! \ rtpopusdepay ! opusdec ! audioconvert ! alsasink async=false
The following pipeline joins the call, sends ticks audio stream and a color bar video stream, and receives audio and video streams.
gst-launch-1.0 webrtcbin start-call=false signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web videotestsrc is-live=true ! queue ! videoconvert ! \ x264enc key-int-max=2 ! rtph264pay ! queue ! identity silent=false ! web.video_sink web.video_src \ ! rtph264depay ! avdec_h264 ! videoconvert ! ximagesink async=true web.audio_src ! rtpopusdepay ! \ opusdec ! audioconvert ! alsasink async=false audiotestsrc is-live=true wave=8 ! audioconvert ! \ audioresample ! queue ! opusenc ! rtpopuspay ! web.audio_sink
After executing the two previous pipelines you should be able to see two windows with a pattern like Fig.1, and hear white noise and ticks audio streams.
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