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Slightly increased bandwidth adaptation at both receive- and send-side.

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The send-side increase factor is increased to better follow the pace
of the receive-side estimate, while the receive-side factor is
increased to speed up adaptation.

BUG=
TEST=

Review URL: http://webrtc-codereview.appspot.com/297002

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1030 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
stefan@webrtc.org 2011-11-25 14:09:37 +00:00
parent 8738d277a1
commit 94a8c03141
2 changed files with 5 additions and 5 deletions
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4
src/modules/rtp_rtcp/source/bandwidth_management.cc
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@ -248,8 +248,8 @@ WebRtc_UWord32 BandwidthManagement::ShapeSimple(WebRtc_Word32 packetLoss,
} }
else else
{ {
// increase rate by 5% // increase rate by 8%
newBitRate = static_cast<WebRtc_UWord32>(_bitRate * 1.05 + 0.5); newBitRate = static_cast<WebRtc_UWord32>(_bitRate * 1.08 + 0.5);
// add 1 kbps extra, just to make sure that we do not get stuck // add 1 kbps extra, just to make sure that we do not get stuck
// (gives a little extra increase at low rates, negligible at higher rates) // (gives a little extra increase at low rates, negligible at higher rates)

6
src/modules/rtp_rtcp/source/remote_rate_control.cc
View File

@ -321,11 +321,11 @@ double RemoteRateControl::RateIncreaseFactor(WebRtc_Word64 nowMs, WebRtc_Word64
const double c2 = 800.0; const double c2 = 800.0;
const double d = 0.85; const double d = 0.85;
double alpha = 1.001 + B / (1 + exp( b * (d * reactionTimeMs - (c1 * noiseVar + c2)))); double alpha = 1.005 + B / (1 + exp( b * (d * reactionTimeMs - (c1 * noiseVar + c2))));
if (alpha < 1.001) if (alpha < 1.005)
{ {
alpha = 1.001; alpha = 1.005;
} }
else if (alpha > 1.3) else if (alpha > 1.3)
{ {