[Mp4-tech] B frame bit-rate in H.264 stream
changfeng niu
changfeng.niu gmail.com
Fri Sep 21 20:43:32 EDT 2007
Skipped content of type multipart/alternative-------------- next part --------------
JM encoder.cfg is as follows:
##########################################################################################
# Files
##########################################################################################
InputFile = "Tank.yuv" # Input sequence
InputHeaderLength = 0 # If the inputfile has a header, state it's length in byte here
StartFrame = 0 # Start frame for encoding. (0-N)
FramesToBeEncoded = 83 # Number of frames to be coded
FrameRate = 25.0 # Frame Rate per second (0.1-100.0)
SourceWidth = 720 # Frame width
SourceHeight = 576 # Frame height
TraceFile = "trace_enc.txt"
ReconFile = "test_rec.yuv"
OutputFile = "test.264"
##########################################################################################
# Encoder Control
##########################################################################################
ProfileIDC = 77 # Profile IDC (66=baseline, 77=main, 88=extended; FREXT Profiles: 100=High, 110=High 10, 122=High 4:2:2, 144=High 4:4:4, for params see below)
LevelIDC = 40 # Level IDC (e.g. 20 = level 2.0)
IntraPeriod = 4 # Period of I-Frames (0=only first)
EnableOpenGOP = 0 # Support for open GOPs (0: disabled, 1: enabled)
IDRIntraEnable = 0 # Force IDR Intra (0=disable 1=enable)
QPISlice = 35 # Quant. param for I Slices (0-51)
QPPSlice = 40 # Quant. param for P Slices (0-51)
FrameSkip = 2 # Number of frames to be skipped in input (e.g 2 will code every third frame)
ChromaQPOffset = 0 # Chroma QP offset (-51..51)
UseHadamard = 0 # Hadamard transform (0=not used, 1=used for all subpel positions, 2=use only for qpel)
DisableSubpelME = 0 # Disable Subpixel Motion Estimation (0=off/default, 1=on)
SearchRange = 32 # Max search range
NumberReferenceFrames = 1 # Number of previous frames used for inter motion search (1-16)
PList0References = 0 # P slice List 0 reference override (0 disable, N <= NumberReferenceFrames)
Log2MaxFNumMinus4 = 0 # Sets log2_max_frame_num_minus4 (-1 : based on FramesToBeEncoded/Auto, >=0 : Log2MaxFNumMinus4)
Log2MaxPOCLsbMinus4 = -1 # Sets log2_max_pic_order_cnt_lsb_minus4 (-1 : Auto, >=0 : Log2MaxPOCLsbMinus4)
GenerateMultiplePPS = 0 # Transmit multiple parameter sets. Currently parameters basically enable all WP modes (0: diabled, 1: enabled)
ResendPPS = 0 # Resend PPS (with pic_parameter_set_id 0) for every coded Frame/Field pair (0: disabled, 1: enabled)
MbLineIntraUpdate = 0 # Error robustness(extra intra macro block updates)(0=off, N: One GOB every N frames are intra coded)
RandomIntraMBRefresh = 0 # Forced intra MBs per picture
InterSearch16x16 = 1 # Inter block search 16x16 (0=disable, 1=enable)
InterSearch16x8 = 0 # Inter block search 16x8 (0=disable, 1=enable)
InterSearch8x16 = 0 # Inter block search 8x16 (0=disable, 1=enable)
InterSearch8x8 = 0 # Inter block search 8x8 (0=disable, 1=enable)
InterSearch8x4 = 0 # Inter block search 8x4 (0=disable, 1=enable)
InterSearch4x8 = 0 # Inter block search 4x8 (0=disable, 1=enable)
InterSearch4x4 = 0 # Inter block search 4x4 (0=disable, 1=enable)
IntraDisableInterOnly = 0 # Apply Disabling Intra conditions only to Inter Slices (0:disable/default,1: enable)
Intra4x4ParDisable = 0 # Disable Vertical & Horizontal 4x4
Intra4x4DiagDisable = 0 # Disable Diagonal 45degree 4x4
Intra4x4DirDisable = 0 # Disable Other Diagonal 4x4
Intra16x16ParDisable = 0 # Disable Vertical & Horizontal 16x16
Intra16x16PlaneDisable = 0 # Disable Planar 16x16
ChromaIntraDisable = 0 # Disable Intra Chroma modes other than DC
UseFME = 0 # Use fast motion estimation (0=disable, 1=enable)
##########################################################################################
# B Slices
##########################################################################################
NumberBFrames = 2 # Number of B coded frames inserted (0=not used)
QPBSlice = 40 # Quant. param for B slices (0-51)
BRefPicQPOffset = 0 # Quantization offset for reference B coded pictures (-51..51)
DirectModeType = 1 # Direct Mode Type (0:Temporal 1:Spatial)
DirectInferenceFlag = 1 # Direct Inference Flag (0: Disable 1: Enable)
BList0References = 0 # B slice List 0 reference override (0 disable, N <= NumberReferenceFrames)
BList1References = 1 # B slice List 1 reference override (0 disable, N <= NumberReferenceFrames)
# 1 List1 reference is usually recommended for normal GOP Structures.
# A larger value is usually more appropriate if a more flexible
# structure is used (i.e. using PyramidCoding)
BReferencePictures = 0 # Referenced B coded pictures (0=off, 1=on)
PyramidCoding = 0 # B pyramid (0= off, 1= 2 layers, 2= 2 full pyramid, 3 = explicit)
PyramidLevelQPEnable = 1 # Adjust QP based on Pyramid Level (in increments of 1). Overrides BRefPicQPOffset behavior.(0=off, 1=on)
ExplicitPyramidFormat = "b2r28b0e30b1e30b3e30b4e30" # Explicit Enhancement GOP. Format is {FrameDisplay_orderReferenceQP}.
# Valid values for reference type is r:reference, e:non reference.
PyramidRefReorder = 1 # Reorder References according to Poc distance for PyramidCoding (0=off, 1=enable)
PocMemoryManagement = 1 # Memory management based on Poc Distances for PyramidCoding (0=off, 1=on)
BiPredMotionEstimation = 0 # Enable Bipredictive based Motion Estimation (0:disabled, 1:enabled)
BiPredMERefinements = 3 # Bipredictive ME extra refinements (0: single, N: N extra refinements (1 default)
BiPredMESearchRange = 2 # Bipredictive ME Search range (8 default). Note that range is halved for every extra refinement.
BiPredMESubPel = 1 # Bipredictive ME Subpixel Consideration (0: disabled, 1: single level, 2: dual level)
##########################################################################################
# SP Frames
##########################################################################################
SPPicturePeriodicity = 0 # SP-Picture Periodicity (0=not used)
QPSPSlice = 28 # Quant. param of SP-Slices for Prediction Error (0-51)
QPSP2Slice = 27 # Quant. param of SP-Slices for Predicted Blocks (0-51)
##########################################################################################
# Output Control, NALs
##########################################################################################
SymbolMode = 0 # Symbol mode (Entropy coding method: 0=UVLC, 1=CABAC)
OutFileMode = 0 # Output file mode, 0:Annex B, 1:RTP
PartitionMode = 0 # Partition Mode, 0: no DP, 1: 3 Partitions per Slice
##########################################################################################
# CABAC context initialization
##########################################################################################
ContextInitMethod = 1 # Context init (0: fixed, 1: adaptive)
FixedModelNumber = 0 # model number for fixed decision for inter slices ( 0, 1, or 2 )
##########################################################################################
# Interlace Handling
#########################################################################################
PicInterlace = 0 # Picture AFF (0: frame coding, 1: field coding, 2:adaptive frame/field coding)
MbInterlace = 0 # Macroblock AFF (0: frame coding, 1: field coding, 2:adaptive frame/field coding)
IntraBottom = 0 # Force Intra Bottom at GOP Period
##########################################################################################
# Weighted Prediction
#########################################################################################
WeightedPrediction = 0 # P picture Weighted Prediction (0=off, 1=explicit mode)
WeightedBiprediction = 0 # B picture Weighted Prediciton (0=off, 1=explicit mode, 2=implicit mode)
UseWeightedReferenceME = 0 # Use weighted reference for ME (0=off, 1=on)
##########################################################################################
# Picture based Multi-pass encoding
#########################################################################################
RDPictureDecision = 0 # Perform RD optimal decision between different coded picture versions.
# If GenerateMultiplePPS is enabled then this will test different WP methods.
# Otherwise it will test QP +-1 (0: disabled, 1: enabled)
RDPictureIntra = 0 # Perform RD optimal decision also for intra coded pictures (0: disabled (default), 1: enabled).
RDPSliceWeightOnly = 1 # Only consider Weighted Prediction for P slices in Picture RD decision. (0: disabled, 1: enabled (default))
RDBSliceWeightOnly = 0 # Only consider Weighted Prediction for B slices in Picture RD decision. (0: disabled (default), 1: enabled )
##########################################################################################
# Loop filter parameters
##########################################################################################
LoopFilterParametersFlag = 1 # Configure loop filter (0=parameter below ingored, 1=parameters sent)
LoopFilterDisable = 1 # Disable loop filter in slice header (0=Filter, 1=No Filter)
LoopFilterAlphaC0Offset = 0 # Alpha & C0 offset div. 2, {-6, -5, ... 0, +1, .. +6}
LoopFilterBetaOffset = 0 # Beta offset div. 2, {-6, -5, ... 0, +1, .. +6}
##########################################################################################
# Error Resilience / Slices
##########################################################################################
SliceMode = 2 # Slice mode (0=off 1=fixed #mb in slice 2=fixed #bytes in slice 3=use callback)
SliceArgument = 2048 # Slice argument (Arguments to modes 1 and 2 above)
num_slice_groups_minus1 = 0 # Number of Slice Groups Minus 1, 0 == no FMO, 1 == two slice groups, etc.
slice_group_map_type = 0 # 0: Interleave, 1: Dispersed, 2: Foreground with left-over,
# 3: Box-out, 4: Raster Scan 5: Wipe
# 6: Explicit, slice_group_id read from SliceGroupConfigFileName
slice_group_change_direction_flag = 0 # 0: box-out clockwise, raster scan or wipe right,
# 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
UseRedundantSlice = 0 # 0: not used, 1: one redundant slice used for each slice (other modes not supported yet)
##########################################################################################
# Search Range Restriction / RD Optimization
##########################################################################################
RestrictSearchRange = 1 # restriction for (0: blocks and ref, 1: ref, 2: no restrictions)
RDOptimization = 0 # 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 = 10 # 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 = 0 # 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 = 2048000 # Bitrate(bps)
InitialQP = 24 # Initial Quantization Parameter for the first I frame
# InitialQp depends on two values: Bits Per Picture,
# and the GOP length
BasicUnit = 45 # 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 = 0 # (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)
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