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video_coding robustness: Updating hybrid mode's settings

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1. Disabling adjustment factor - temporary update. 
2. Enabling a windowed filtered loss for the hybrid mode.  
Review URL: http://webrtc-codereview.appspot.com/192003

git-svn-id: http://webrtc.googlecode.com/svn/trunk@684 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
mikhal@webrtc.org
2011-10-03 22:54:34 +00:00
parent 1b6ff7adbe
commit ae7a0522c5
1 changed files with 8 additions and 8 deletions
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16
src/modules/video_coding/main/source/media_opt_util.cc
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@@ -81,8 +81,9 @@ VCMNackFecMethod::ProtectionFactor(const
// RTT (NACK effectiveness) - adjustment factor is in the range [0,1].
if (parameters->rtt < kHighRttNackMs)
{
WebRtc_UWord16 rttIndex = (WebRtc_UWord16) parameters->rtt;
float adjustRtt = (float)VCMNackFecTable[rttIndex] / 100.0f;
// TODO(mikhal): Disabling adjustment temporarily.
// WebRtc_UWord16 rttIndex = (WebRtc_UWord16) parameters->rtt;
float adjustRtt = 1.0f;// (float)VCMNackFecTable[rttIndex] / 100.0f;
// Adjust FEC with NACK on (for delta frame only)
// table depends on RTT relative to rttMax (NACK Threshold)
@@ -724,17 +725,16 @@ VCMLossProtectionLogic::MaxFilteredLossPr(WebRtc_Word64 nowMs) const
WebRtc_UWord8
VCMLossProtectionLogic::FilteredLoss() const
{
//take the average received loss
//return static_cast<WebRtc_UWord8>(_lossPr255.Value() + 0.5f);
//TODO: Update for hybrid
//take the windowed max of the received loss
if (_selectedMethod != NULL && _selectedMethod->Type() == kFec)
if (_selectedMethod != NULL &&
(_selectedMethod->Type() == kFec ||
_selectedMethod->Type() == kNackFec))
{
// Take the windowed max of the received loss.
return MaxFilteredLossPr(VCMTickTime::MillisecondTimestamp());
}
else
{
// Take the average received loss.
return static_cast<WebRtc_UWord8> (_lossPr255.Value() + 0.5);
}
}