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Media Control

Media Control. IETF 62 - XCON WG Cullen Jennings. Basic Example - Template. Template BasicAudio PhysicalStream dir=input type=audio name=main-audio-in control type=bool name=mute label="Mute" PhysicalStream dir=output type=audio name=main-audio-out

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Media Control

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  1. Media Control IETF 62 - XCON WG Cullen Jennings

  2. Basic Example - Template Template BasicAudio PhysicalStream dir=input type=audio name=main-audio-in control type=bool name=mute label="Mute" PhysicalStream dir=output type=audio name=main-audio-out control type=real name=gain label="Volume”

  3. Basic Example - Conference Conference BasicAudio PhysicalStream name=main-audio-in stream-id=1 control bool mute=false PhysicalStream name=main-audio-out stream-id=3 control bool mute=false PhysicalStream name=main-oudio-out stream-id=2 control real gain=0.0 PhysicalStream name=main-audio-out stream-id=4 control real gain=0.0

  4. Physical Streams • Actual media that can be sent or received from the client • Named with a label • Label may corresponds to SDP label

  5. Controls • Specify the things the client can change about the conference

  6. Roles • Template has Roles • Each Roles defines control and streams available to it • Roles can be nested • Things like “Participant” and “Moderator”

  7. Logical Streams • Correspond to streams that the mixer produces • Things like “active speaker”

  8. Floors Label the floors that are available

  9. Control Array • Defines an array of controls • Is index by media streams of a particular type (ie each main-audio-in stream)

  10. Layout Control • Describes media layout - typically video • Contains Panels • Each panel has a group of streams

  11. Complex Example - Part 1 Template basicAudioVideo LogicalStream type=video label=activeSpeaker-video LogicalStream type=video label=presenter-video LogicalStream type=video label=presentation-video Floor name=presenter-floor Control type=bool name=eCan label="Echo Cancellation” Role name=listener PhysicalStream dir=out type=audio label=main-audio-out PhysicalStream dir=out type=video label=main-video-out

  12. Complex Example - Part 2 PhysicalStream dir=input type=video label=main-video-in Control type=choice name=video-mute choices="normal,blank,freeze” PhysicalStream dir=input type=video label=presentation Control type=choice name=video-mute choices="normal, blank, freeze” PhysicalStream dir=output type=audio label=main-audio-out Control type=real name=gain label="Volume” PhysicalStream dir=output type=video label=main-video-out Control name=main-layout type=layout choices=1x1,2x2,1x2,

  13. Complex Example - Part 3 Sidebar Control name=mainConfVolume type=real PhysicalStream dir=input type=audio label=side-audio-in control type=bool name=mute label="Mute" PhysicalStream dir=output type=audio label=side-audio-out control type=real name=gain label="Volume" Role name=moderator controlArray index=main-audio control type=bool name=mute label="Mute”

  14. Complex Conference Object ConferenceObject type=basicAudioVideo name=conf1234 Role Participant PhysicalStream name=main-audio-in stream-id=22 Control name=mute value=false PhysicalStream name=main-video-in stream-id=23 Control name=video-mute value=normal PhysicalStream name=main-audio-out stream-id=24 Control name=gain value=0 PhysicalStream name=main-video-out stream-id=25 PhysicalStream name=main-audio-in stream-id=32 Control name=mute value=false PhysicalStream name=main-video-in stream-id=33 Control name=video-mute value=normal PhysicalStream name=main-audio-out stream-id=34 Control name=gain value=0 PhysicalStream name=main-video-out stream-id=35 PhysicalStream name=main-audio-in stream-id=42 Control name=mute value=false PhysicalStream name=main-video-in stream-id=43 Control name=video-mute value=normal PhysicalStream name=main-audio-out stream-id=44 Control name=gain value=0 PhysicalStream name=main-video-out stream-id=45

  15. Complex Conference Object Control name=main-layout value="3x1+16" Panel input=presenter-video position=1 selectionQ=0.8 exGroup=1 Panel input=presentation position=2 selectionQ=1.0 exGroup=1 Panel input=active-speaker position=3 selectionQ=0.9 exGroup=1 Panel input=main-video-in position=4 selectionQ=0.5 exGroup=2

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