9. 仕様書を読む
Object RTC (ORTC) API for WebRTC
Draft Community Group Report 20 August 2014
http://ortc.org/wp-content/uploads/2014/08/ortc.html
著者:
Bernard Aboba, Microsoft Corporation
Justin Uberti, Google
28. //Send a thumbnail along with regular size
var encodings = [{ ssrc: 1, priority: 1.0 }]
// Control the resolution and framerate with a different track and RtpSender.
var encodings = [{ ssrc: 2,
// Prioritize the thumbnail over the main video.
priority: 10.0 }];
// Sign Language (need high framerate, but don't get too bad quality)
var encodings = [{ minQuality: 0.2, framerateBias: 1.0 }];
// Screencast (High quality, framerate can be low)
var encodings = [{ framerateBias: 0.0 }];
//Remote Desktop (High framerate, must not downscale)
var encodings = [{ framerateBias: 1.0 }];
// Audio more important than video
var audioEncodings = [{ priority: 10.0 }];
var videoEncodings = [{ priority: 0.1 }];
//Video more important than audio
var audioEncodings = [{ priority: 0.1 }];
var videoEncodings = [{ priority: 10.0 }];
//Crank up the quality
var encodings = [{ maxBitrate: 10000000 }];
//Keep the bandwidth low
var encodings = [{ maxBitrate: 100000 }];
SDPのSの字も無いですね・・・