generic-library/webrtc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Update media_opt_util with frame size parameters.

Browse Source 
Review URL: http://webrtc-codereview.appspot.com/51002

git-svn-id: http://webrtc.googlecode.com/svn/trunk@141 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
marpan@google.com 2011-07-01 17:18:53 +00:00
parent 6b04739e04
commit c13708271a
3 changed files with 29 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
modules/video_coding/main/source/media_opt_util.cc
View File

@ -341,6 +341,8 @@ VCMFecMethod::ProtectionFactor(const VCMProtectionParameters* parameters)
(bitRate /
(parameters->frameRate));
// TODO (marpan): Incorporate frame size (bpp) into FEC setting
// Total (avg) number of packets per frame (source and fec):
const WebRtc_UWord8 avgTotPackets = 1 + (WebRtc_UWord8)
((float) bitRatePerFrame * 1000.0
@ -850,6 +852,14 @@ VCMLossProtectionLogic::UpdateKeyFrameSize(float keyFrameSize)
_keyFrameSize = keyFrameSize;
}
void
VCMLossProtectionLogic::UpdateFrameSize(WebRtc_UWord16 width,
WebRtc_UWord16 height)
{
_codecWidth = width;
_codecHeight = height;
}
bool
VCMLossProtectionLogic::UpdateMethod(VCMProtectionMethod *newMethod /*=NULL */)
{
@ -864,6 +874,8 @@ VCMLossProtectionLogic::UpdateMethod(VCMProtectionMethod *newMethod /*=NULL */)
_currentParameters.packetsPerFrameKey = _packetsPerFrameKey.Value();
_currentParameters.residualPacketLoss = _residualPacketLoss;
_currentParameters.fecType = _fecType;
_currentParameters.codecWidth = _codecWidth;
_currentParameters.codecHeight = _codecHeight;
if (newMethod == NULL)
{

19
modules/video_coding/main/source/media_opt_util.h
View File

@ -45,7 +45,8 @@ struct VCMProtectionParameters
{
VCMProtectionParameters() : rtt(0), lossPr(0), bitRate(0), packetsPerFrame(0),
frameRate(0), keyFrameSize(0), fecRateDelta(0), fecRateKey(0),
residualPacketLoss(0.0), fecType(kXORFec) {}
residualPacketLoss(0.0), fecType(kXORFec), codecWidth(0),
codecHeight(0) {}
WebRtc_UWord32 rtt;
float lossPr;
@ -57,7 +58,10 @@ struct VCMProtectionParameters
WebRtc_UWord8 fecRateDelta;
WebRtc_UWord8 fecRateKey;
float residualPacketLoss;
VCMFecTypes fecType;
VCMFecTypes fecType;
WebRtc_UWord16 codecWidth;
WebRtc_UWord16 codecHeight;
};
@ -236,7 +240,7 @@ public:
_keyFrameSize(0.0f), _fecRateKey(0), _fecRateDelta(0), _lastPrUpdateT(0),
_lossPr255(0.9999f), _lossPrHistory(), _shortMaxLossPr255(0),
_packetsPerFrame(0.9999f), _packetsPerFrameKey(0.9999f), _residualPacketLoss(0),
_boostRateKey(2)
_boostRateKey(2), _codecWidth(0), _codecHeight(0)
{ Reset(); }
~VCMLossProtectionLogic();
@ -308,6 +312,13 @@ public:
// - frameRate : The current target frame rate.
void UpdateFrameRate(float frameRate) { _frameRate = frameRate; }
// Update the frame size
//
// Input:
// - width : The codec frame width.
// - height : The codec frame height.
void UpdateFrameSize(WebRtc_UWord16 width, WebRtc_UWord16 height);
// The amount of packet loss to cover for with FEC.
//
// Input:
@ -372,6 +383,8 @@ private:
float _residualPacketLoss;
WebRtc_UWord8 _boostRateKey;
VCMFecTypes _fecType;
WebRtc_UWord16 _codecWidth;
WebRtc_UWord16 _codecHeight;
};
} // namespace webrtc

1
modules/video_coding/main/source/media_optimization.cc
View File

@ -246,6 +246,7 @@ VCMMediaOptimization::SetEncodingData(VideoCodecType sendCodecType, WebRtc_Word3
_targetBitRate = bitRate;
_lossProtLogic->UpdateBitRate(static_cast<float>(bitRate));
_lossProtLogic->UpdateFrameRate(static_cast<float>(frameRate));
_lossProtLogic->UpdateFrameSize(width, height);
_frameDropper->Reset();
_frameDropper->SetRates(static_cast<float>(bitRate), static_cast<float>(frameRate));
_userFrameRate = (float)frameRate;