encoder.cfg

H.264 codec source code

                                         # 1: box-out counter clockwise, reverse raster scan or wipe left
slice_group_change_rate_minus1    = 85   # 
SliceGroupConfigFileName          = "sg0conf.cfg"   # Used for slice_group_map_type 0, 2, 6

UseRedundantPicture   = 0    # 0: not used, 1: enabled
NumRedundantHierarchy = 1    # 0-4
PrimaryGOPLength      = 10   # GOP length for redundant allocation (1-16)
                             # NumberReferenceFrames must be no less than PrimaryGOPLength when redundant slice enabled
NumRefPrimary         = 1    # Actually used number of references for primary slices (1-16)

##########################################################################################
# Search Range Restriction / RD Optimization 
##########################################################################################

RestrictSearchRange  =  2  # restriction for (0: blocks and ref, 1: ref, 2: no restrictions)
RDOptimization       =  1  # rd-optimized mode decision 
                           # 0: RD-off (Low complexity mode)
                           # 1: RD-on (High complexity mode)
                           # 2: RD-on (Fast high complexity mode - not work in FREX Profiles)
                           # 3: with losses
DisableThresholding  =  0  # Disable Thresholding of Transform Coefficients (0:off, 1:on)
DisableBSkipRDO      =  0  # Disable B Skip Mode consideration from RDO Mode decision (0:off, 1:on)
SkipIntraInInterSlices   =  0 # Skips Intra mode checking in inter slices if certain mode decisions are satisfied (0: off, 1: on)

# Explicit Lambda Usage
UseExplicitLambdaParams  =  0  # Use explicit lambda scaling parameters (0:disabled, 1:enabled)
LambdaWeightIslice       =  0.65 # scaling param for I slices. This will be used as a multiplier i.e. lambda=LambdaWeightISlice * 2^((QP-12)/3)
LambdaWeightPslice       =  0.68 # scaling param for P slices. This will be used as a multiplier i.e. lambda=LambdaWeightPSlice * 2^((QP-12)/3)
LambdaWeightBslice       =  2.00 # scaling param for B slices. This will be used as a multiplier i.e. lambda=LambdaWeightBSlice * 2^((QP-12)/3)
LambdaWeightRefBslice    =  1.50 # scaling param for Referenced B slices. This will be used as a multiplier i.e. lambda=LambdaWeightRefBSlice * 2^((QP-12)/3)
LambdaWeightSPslice      =  1.50 # scaling param for SP slices. This will be used as a multiplier i.e. lambda=LambdaWeightSPSlice * 2^((QP-12)/3)
LambdaWeightSIslice      =  0.65 # scaling param for SI slices. This will be used as a multiplier i.e. lambda=LambdaWeightSISlice * 2^((QP-12)/3)

LossRateA            =  5  # expected packet loss rate of the channel for the first partition, only valid if RDOptimization = 2
LossRateB            =  0  # expected packet loss rate of the channel for the second partition, only valid if RDOptimization = 2
LossRateC            =  0  # expected packet loss rate of the channel for the third partition, only valid if RDOptimization = 2
NumberOfDecoders     = 30  # Numbers of decoders used to simulate the channel, only valid if RDOptimization = 2
RestrictRefFrames    =  1  # Doesnt allow reference to areas that have been intra updated in a later frame.

##########################################################################################
# Additional Stuff
#########################################################################################

UseConstrainedIntraPred  =  0  # If 1, Inter pixels are not used for Intra macroblock prediction.
LastFrameNumber          =  0  # Last frame number that have to be coded (0: no effect)
ChangeQPI                = 16  # QP (I-slices)  for second part of sequence (0-51)
ChangeQPP                = 16  # QP (P-slices)  for second part of sequence (0-51)
ChangeQPB                = 18  # QP (B-slices)  for second part of sequence (0-51)
ChangeQPBSRefOffset      =  2  # QP offset (stored B-slices)  for second part of sequence (-51..51)
ChangeQPStart            =  0  # Frame no. for second part of sequence (0: no second part)

NumberofLeakyBuckets     =  8                      # Number of Leaky Bucket values
LeakyBucketRateFile      =  "leakybucketrate.cfg"  # File from which encoder derives rate values
LeakyBucketParamFile     =  "leakybucketparam.cfg" # File where encoder stores leakybucketparams

NumberFramesInEnhancementLayerSubSequence  = 0  # number of frames in the Enhanced Scalability Layer(0: no Enhanced Layer)
NumberOfFrameInSecondIGOP                  = 0  # Number of frames to be coded in the second IGOP

SparePictureOption        =  0   # (0: no spare picture info, 1: spare picture available)
SparePictureDetectionThr  =  6   # Threshold for spare reference pictures detection
SparePicturePercentageThr = 92   # Threshold for the spare macroblock percentage

PicOrderCntType           = 0    # (0: POC mode 0, 1: POC mode 1, 2: POC mode 2)

########################################################################################
#Rate control
########################################################################################

RateControlEnable    =      0   # 0 Disable, 1 Enable
Bitrate              =  45020   # Bitrate(bps)
InitialQP            =      0   # Initial Quantization Parameter for the first I frame
                                # InitialQp depends on two values: Bits Per Picture,
                                # and the GOP length
BasicUnit            =     11   # Number of MBs in the basic unit
                                # should be a fractor of the total number 
                                # of MBs in a frame
ChannelType          =      0   # type of channel( 1=time varying channel; 0=Constant channel)

########################################################################################
#Fast Mode Decision
########################################################################################
EarlySkipEnable      =      0   # Early skip detection (0: Disable 1: Enable)
SelectiveIntraEnable =      0   # Selective Intra mode decision (0: Disable 1: Enable)

########################################################################################
#FREXT stuff
########################################################################################

YUVFormat             = 1      # YUV format (0=4:0:0, 1=4:2:0, 2=4:2:2, 3=4:4:4)
RGBInput              = 0      # 1=RGB input, 0=GBR or YUV input
BitDepthLuma          = 8      # Bit Depth for Luminance (8...12 bits)
BitDepthChroma        = 8      # Bit Depth for Chrominance (8...12 bits)
CbQPOffset            = 0      # Chroma QP offset for Cb-part (-51..51)
CrQPOffset            = 0      # Chroma QP offset for Cr-part (-51..51)
Transform8x8Mode      = 1      # (0: only 4x4 transform, 1: allow using 8x8 transform additionally, 2: only 8x8 transform)
ResidueTransformFlag  = 0      # (0: no residue color transform 1: apply residue color transform)
ReportFrameStats      = 0      # (0:Disable Frame Statistics 1: Enable)
DisplayEncParams      = 0      # (0:Disable Display of Encoder Params 1: Enable)
Verbose               = 1      # level of display verboseness (0:short, 1:normal, 2:detailed)

########################################################################################
#Q-Matrix (FREXT)
########################################################################################
QmatrixFile              = "q_matrix.cfg"

ScalingMatrixPresentFlag = 0    # Enable Q_Matrix  (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag0  = 3    # Intra4x4_Luma    (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag1  = 3    # Intra4x4_ChromaU (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag2  = 3    # Intra4x4_chromaV (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag3  = 3    # Inter4x4_Luma    (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag4  = 3    # Inter4x4_ChromaU (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag5  = 3    # Inter4x4_ChromaV (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag6  = 3    # Intra8x8_Luma    (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)
ScalingListPresentFlag7  = 3    # Inter8x8_Luma    (0 Not present, 1 Present in SPS, 2 Present in PPS, 3 Present in both SPS & PPS)

########################################################################################
#Rounding Offset control
########################################################################################

OffsetMatrixPresentFlag  = 0    # Enable Explicit Offset Quantization Matrices  (0: disable 1: enable)
QOffsetMatrixFile        = "q_offset.cfg" # Explicit Quantization Matrices file

AdaptiveRounding         = 0    # Enable Adaptive Rounding based on JVT-N011 (0: disable, 1: enable)
AdaptRndPeriod           = 1    # Period in terms of MBs for updating rounding offsets. 
                                # 0 performs update at the picture level. Default is 16. 1 is as in JVT-N011.
AdaptRndChroma           = 0    # Enables coefficient rounding adaptation for chroma

AdaptRndWFactorIRef      = 4    # Adaptive Rounding Weight for I/SI slices in reference pictures /4096
AdaptRndWFactorPRef      = 4    # Adaptive Rounding Weight for P/SP slices in reference pictures /4096
AdaptRndWFactorBRef      = 4    # Adaptive Rounding Weight for B slices in reference pictures /4096
AdaptRndWFactorINRef     = 4    # Adaptive Rounding Weight for I/SI slices in non reference pictures /4096
AdaptRndWFactorPNRef     = 4    # Adaptive Rounding Weight for P/SP slices in non reference pictures /4096
AdaptRndWFactorBNRef     = 4    # Adaptive Rounding Weight for B slices in non reference pictures /4096

########################################################################################
#Lossless Coding (FREXT)
########################################################################################

QPPrimeYZeroTransformBypassFlag = 0    # Enable lossless coding when qpprime_y is zero (0 Disabled, 1 Enabled)

########################################################################################
#Fast Motion Estimation Control Parameters
########################################################################################

UseFME                   = 0    # Use fast motion estimation (0=disable/default, 1=UMHexagonS, 
                                # 2=Simplified UMHexagonS, 3=EPZS patterns)
FMEDSR 	                 = 1    # Use Search Range Prediction. Only for UMHexagonS method
                                # (0:disable, 1:enabled/default)
FMEScale                 = 3    # Use Scale_factor for different image sizes. Only for UMHexagonS method
                                # (0:disable, 3:/default)
                                # Increasing value can speed up Motion Search.

EPZSPattern              = 2    # Select EPZS primary refinement pattern.
                                # (0: small diamond, 1: square, 2: extended diamond/default, 
								# 3: large diamond) 
EPZSDualRefinement       = 3    # Enables secondary refinement pattern.
                                # (0:disabled, 1: small diamond, 2: square, 
                                # 3: extended diamond/default, 4: large diamond) 
EPZSFixedPredictors      = 2    # Enables Window based predictors
                                # (0:disabled, 1: P only, 2: P and B/default)
EPZSTemporal             = 1    # Enables temporal predictors 
			                    # (0: disabled, 1: enabled/default)                         
EPZSSpatialMem           = 1    # Enables spatial memory predictors 
			                    # (0: disabled, 1: enabled/default)
EPZSMinThresScale        = 0    # Scaler for EPZS minimum threshold (0 default). 
                                # Increasing value can speed up encoding.
EPZSMedThresScale        = 1    # Scaler for EPZS median threshold (1 default). 
                                # Increasing value can speed up encoding.
EPZSMaxThresScale        = 1    # Scaler for EPZS maximum threshold (1 default).
                                # Increasing value can speed up encoding.