GstWebRTC - Vp8-Opus Examples
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This page presents the GstWebRTC Vp8 and Opus video and audio examples with the OpenWebRTC signaler.
Unidirectional Elements
Example
In this example we use webrtcsink to send a video stream and an audio stream, and we use webrtcsrc to receive the video and audio streams.
Send Pipeline
The following pipeline generates a color bars video stream and a ticks audiostream and starts the call:
gst-launch-1.0 webrtcsink start-call=true signaler=GstOwrSignaler 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 audiotestsrc is-live=true wave=8 ! audioconvert \ ! audioresample ! queue ! opusenc ! rtpopuspay ! web.audio
Receive Pipeline
The following pipeline receives the video stream and the audio stream.
gst-launch-1.0 webrtcsrc start-call=false signaler=GstOwrSignaler signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web web.audio ! rtpopusdepay ! opusdec ! audioconvert ! \ queue ! alsasink async=false web.video ! rtpvp8depay ! vp8dec ! videoconvert ! ximagesink async=true
After executing the two previous pipelines you should be able to see a window with a pattern like Fig.1, and hear the ticks audio stream.
Bidirectional Element
Example
In this example we use two webrtcbins, each send a video stream and an audio stream, and receives each other video and audio streams.
Send-Receive Pipeline
The following pipeline starts a call, sends ticks audio stream and a color bar video stream, and receives audio and video streams.
gst-launch-1.0 webrtcbin start-call=true signaler=GstOwrSignaler 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 web.audio_src ! rtpopusdepay ! opusdec ! \ audioconvert ! alsasink async=false audiotestsrc is-live=true wave=8 ! audioconvert ! audioresample \ ! queue ! opusenc ! rtpopuspay ! web.audio_sink
Send-Receive Pipeline
The following pipeline joins the 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=false signaler=GstOwrSignaler 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 web.audio_src ! rtpopusdepay ! opusdec ! audioconvert \ ! alsasink async=false audiotestsrc is-live=true wave=5 ! 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.
Example
In this example we use two webrtcbins, one sends a video stream and receives an audio stream and the other receives a video stream and sends an audio stream.
Send-Receive Pipeline
The following pipeline sends a video stream and receives an audio stream, also starts the call.
gst-launch-1.0 webrtcbin start-call=true signaler=GstOwrSignaler 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.audio_src ! \ rtpopusdepay ! opusdec ! audioconvert ! alsasink async=false
Send-Receive Pipeline
The following pipeline sends an audio stream and receives a video stream, also joins the call.
gst-launch-1.0 webrtcbin start-call=false signaler=GstOwrSignaler signaler::server_url=http://webrtc.ridgerun.com:8080 \ signaler::session_id=1234ridgerun name=web web.video_src ! rtpvp8depay ! vp8dec ! videoconvert \ ! ximagesink async=true audiotestsrc is-live=true wave=8 ! audioconvert ! audioresample ! queue ! \ opusenc ! rtpopuspay ! web.audio_sink
When executing the two previous pipelines, you should be able to listen the ticks audio stream and see a video pattern similar to Fig.1.
Example
In this example we use two webrtcbins, one sends a video stream and receives an audio and video stream and the other receives a video stream and sends audio and video streams.
Send-Receive Pipeline
The following pipeline sends a video stream and receives an audio and video streams, also starts the call.
gst-launch-1.0 webrtcbin start-call=true signaler=GstOwrSignaler 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 web.audio_src ! rtpopusdepay ! opusdec ! \ audioconvert ! alsasink async=false
Send-Receive Pipeline
The following pipeline sends audio and video streams and receives a video stream, also joins the call.
gst-launch-1.0 webrtcbin start-call=false signaler=GstOwrSignaler 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 audiotestsrc is-live=true wave=8 ! audioconvert\ ! audioresample ! queue ! opusenc ! rtpopuspay ! web.audio_sink
When executing the two previous pipelines, you should be able to listen the ticks audio stream and see two windows with a video pattern similar to Fig.1.
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