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- Two quality layers (same resolution, different bitrate). - Max bitrate of low layer is limited to 200kbps. The choice of the limit is driven by VP8 screen sharing which limits max bitrate of low temporal layer to 200kbps. Using the same value for VP9 guarantees that there will be no regressions for participants with limited bandwidth. - Max bitrate of high layer is limited to 500kbps. According to test results this value is enough to get up to +5dB higher PSNR than VP8 SS provides on 1.2Mbps (max total bitrate for VP8 SS) link. - Max total sent bitrate is limited to 700kbps. It is 500kbps lower than that in VP8 SS (1200kbps). Bug: webrtc:9261 Change-Id: I7919cc3933064664567c39e380a44cad0c65f1e8 Reviewed-on: https://webrtc-review.googlesource.com/76380 Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23226} |
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