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Niagara 2120 User Guide
ViewCast 67
Appendix: Advanced Settings for H.264
In general, the default values (Table 32) for the H.264 encoder will meet your streaming
requirements. For devices with restricted bandwidths and under certain conditions such as low bit
rates, motion specific, or constant bit rate applications, you may need to adjust the advanced
settings. This section includes several examples to assist you in the selection of advanced variables.
These examples are suggestions and you should understand and select the appropriate values for
your streaming application. Refer to Table 40 for a definition of the setting variable.
Table 32. Default Settings
Setting
Value
BFramesBias
0
BFramesMax
0
BFramesStrategy
0
BitRateTolerance
1
BlurComplexity
20
ChromaOffset
0
CodecFlags
4196352
CodecFlags2
131328
CoderType
0
DirectMVPrediction
1
GOPSize
250
GOPSizeMin
25
IFrameQuantFactor
0.71
InLoopDeblockingFilterAlpha
0
InLoopDeblockingFilterBeta
0
Level
12
MotionEstimationMethod
7
MotionEstimationRange
16
MotionEstimationSubPelQuality
7
MotionEstimationSubPixelComparison
0
NoiseReduction
0