GitLab

libvpx::VP9RateControlRtcConfig::layer_target_bitrate must be
set in an accumulative manner, but originally Vp9Encoder sets
the bitrate of each layer independently. This CL fixes the
wrong settlement.

Bug: b:169219904, 1030199
Test: appr.tc/?vrc=vp9&vsc=vp9
Change-Id: I27787d2ce43394ff5b032562a21425da4654e772
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2434416
Commit-Queue: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Jeffrey Kardatzke <jkardatzke@google.com>
Reviewed-by: Miguel Casas <mcasas@chromium.org>
Auto-Submit: Hirokazu Honda <hiroh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812586}