You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
279 lines
7.4 KiB
279 lines
7.4 KiB
###############################
|
|
# General encoding parameters #
|
|
###############################
|
|
|
|
# threads = <N>
|
|
# Sets the number of threads to be used for processing. N must be
|
|
# between 1 and 4 inclusive.
|
|
#threads = 1
|
|
|
|
# 2pass_bug_workaround
|
|
# Enables a workaround for an x264 bug which sometimes causes the
|
|
# second pass of a 2-pass encode to fail while reading the 2-pass
|
|
# logfile.
|
|
2pass_bug_workaround
|
|
|
|
|
|
###########################
|
|
# Video stream properties #
|
|
###########################
|
|
|
|
# level_idc = <N>
|
|
# Sets the H.264 level to use for encoding. N can be any of the
|
|
# following (note that the resolutions given are only examples; see
|
|
# e.g. http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC):
|
|
#
|
|
# N Level Max. bitrate Resolution (WxH@FPS)
|
|
# -- ----- ------------ ------------
|
|
# 10 1 64 kbit/s 176x144@15
|
|
# 11 1.1 192 kbit/s 320x240@10
|
|
# 12 1.2 384 kbit/s 320x240@20
|
|
# 13 1.3 768 kbit/s 352x288@30
|
|
# 20 2 2 Mbit/s 352x288@30
|
|
# 21 2.1 4 Mbit/s 352x480@30
|
|
# 22 2.2 4 Mbit/s 720x480@15
|
|
# 30 3 10 Mbit/s 720x480@30
|
|
# 31 3.1 14 Mbit/s 1280x720@30
|
|
# 32 3.2 20 Mbit/s 1280x720@60
|
|
# 40 4 20 Mbit/s 1920x1088@30
|
|
# 41 4.1 50 Mbit/s 1920x1088@30
|
|
# 42 4.2 50 Mbit/s 1920x1088@60
|
|
# 50 5 135 Mbit/s 2560x1920@30
|
|
# 51 5.1 240 Mbit/s 4096x2048@30
|
|
#level_idc = 51
|
|
|
|
# overscan = <N>
|
|
# vidformat = <N>
|
|
# fullrange | nofullrange
|
|
# colorprim = <N>
|
|
# transfer = <N>
|
|
# colmatrix = <N>
|
|
# chroma_loc = <N>
|
|
# Set H.264 VUI properties. See the source code for details.
|
|
#overscan = 0
|
|
#vidformat = 5
|
|
#nofullrange
|
|
#colorprim = 2
|
|
#transfer = 2
|
|
#colmatrix = 2
|
|
#chroma_loc = 0
|
|
|
|
|
|
########################
|
|
# Bitstream parameters #
|
|
########################
|
|
|
|
# frameref = <N>
|
|
# Specifies the maximum number of reference frames to use (1-16).
|
|
#frameref = 1
|
|
|
|
# keyint_min = <N>
|
|
# keyint_max = <N>
|
|
# Specify the minimum and maximum keyframe intervals.
|
|
#keyint_min = 25
|
|
#keyint_max = 250
|
|
|
|
# scenecut = <N>
|
|
# Specifies the scene change detection threshold as a percentage
|
|
# (0-100), or -1 to disable.
|
|
#scenecut = 40
|
|
|
|
# bframes = <N>
|
|
# Specifies the number of B-frames between two reference frames (0-16).
|
|
#bframes = 0
|
|
|
|
# b_adapt | nob_adapt
|
|
# Specifies whether or not to use adaptive B-frame encoding.
|
|
#b_adapt
|
|
|
|
# b_bias = <N>
|
|
# Influences how often B-frames are used. <N> is from -90 to 100
|
|
# inclusive.
|
|
#b_bias = 0
|
|
|
|
# b_pyramid | nob_pyramid
|
|
# Specifies whether to allow B-frames to be used as references.
|
|
#nob_pyramid
|
|
|
|
# deblock | nodeblock
|
|
# Selects whether to use the deblocking filter.
|
|
# deblockalpha = <A>
|
|
# deblockbeta = <B>
|
|
# Specify parameters for the deblocking filter. <A> and <B> are
|
|
# between -6 and 6 inclusive.
|
|
#deblock
|
|
#deblockalpha = 0
|
|
#deblockbeta = 0
|
|
|
|
# cabac | nocabac
|
|
# Selects whether to use CABAC (context-adaptive binary arithmetic
|
|
# coding).
|
|
# cabac_init_idc = <N>
|
|
# Specifies an internal CABAC parameter.
|
|
#cabac
|
|
#cabac_init_idc = 0
|
|
|
|
# cqm = <N>
|
|
# Specifies the type of quantization matrices to use:
|
|
# 0: Flat matrices
|
|
# 1: JVT matrices
|
|
# 2: Custom matrices
|
|
# cqm_file = <path>
|
|
# Specifies the pathname for the custom matrix file with "cqm 2".
|
|
#cqm = 0
|
|
#cqm_file = /dev/null
|
|
|
|
|
|
###############################
|
|
# Encoder analyzer parameters #
|
|
###############################
|
|
|
|
# 8x8dct | no8x8dct
|
|
# Specifies whether to allow integer 8x8 DCT transforms.
|
|
#no8x8dct
|
|
|
|
# weight_b | noweight_b
|
|
# Specifies whether to use implicit weighting for B-frames.
|
|
#noweight_b
|
|
|
|
# direct_pred = <N>
|
|
# Selects the type of motion vector (MV) prediction to use:
|
|
# 0: none, 1: spatial, 2: temporal, 3: auto
|
|
#direct_pred = 1
|
|
|
|
# direct_8x8 | nodirect_8x8
|
|
# Specifies whether to DISallow 4x4 direct partitions. Default depends
|
|
# on level_idc.
|
|
#nodirect_8x8
|
|
|
|
# chroma_qp_offset = <N>
|
|
# Specifies the QP offset between chroma and luma (-12 to +12).
|
|
#chroma_qp_offset = 0
|
|
|
|
# me = <N>
|
|
# Selects the motion estimation algorithm to use:
|
|
# 0: diagonal search, radius 1 (fast)
|
|
# 1: hexagonal search, radius 2
|
|
# 2: uneven multi-hexagon search
|
|
# 3: exhaustive search (slow)
|
|
#me = 1
|
|
|
|
# me_range = <N>
|
|
# Specifies the motion estimation search range (from the predicted MV),
|
|
# 4 to 64 inclusive.
|
|
#me_range = 16
|
|
|
|
# mv_range = <N>
|
|
# Specifies the maximum length of a motion vector, 32-2048 pixels.
|
|
# Default depends on level_idc.
|
|
#mv_range = 512
|
|
|
|
# subq = <N>
|
|
# Specifies the subpixel motion estimation quality, from 1 (fastest)
|
|
# to 7 (best).
|
|
#subq = 5
|
|
|
|
# chroma_me | nochroma_me
|
|
# Specifies whether to use chroma in motion estimation.
|
|
#chroma_me
|
|
|
|
# mixed_refs | nomixed_refs
|
|
# Specifies whether to allow macroblock partitions in P-frames to have
|
|
# individual references.
|
|
#nomixed_refs
|
|
|
|
# trellis = <N>
|
|
# Specifies whether to use trellis RD quantization. Requires CABAC.
|
|
# <N> is one of:
|
|
# 0: disabled
|
|
# 1: enabled only for final encoding of a macroblock
|
|
# 2: enabled for all mode decisions
|
|
#trellis = 0
|
|
|
|
# fast_pskip | nofast_pskip
|
|
# Specifies whether to use early SKIP detection for P-frames.
|
|
#fast_pskip
|
|
|
|
# dct_decimate | nodct_decimate
|
|
# Specifies whether to use transform coefficient thresholding on P-frames.
|
|
#dct_decimate
|
|
|
|
# nr = <N>
|
|
# Specifies noise reduction level (0-65536).
|
|
#nr = 0
|
|
|
|
# psnr | nopsnr
|
|
# ssim | nossim
|
|
# Specify whether to calculate PSNR/SSIM statistics (consumes some CPU
|
|
# time).
|
|
#psnr
|
|
#ssim
|
|
|
|
|
|
###########################
|
|
# Rate control parameters #
|
|
###########################
|
|
|
|
# qp_min = <N>
|
|
# qp_max = <N>
|
|
# Specify the minimum and maximum allowed QP values (0-51, 0=lossless).
|
|
# qp_step = <N>
|
|
# Specifies the maximum difference between QP in consecutive frames.
|
|
#qp_min = 10
|
|
#qp_max = 51
|
|
#qp_step = 4
|
|
|
|
# crf = <N>
|
|
# Specifies the nominal QP for 1-pass VBR encoding.
|
|
#crf = 0
|
|
|
|
# ratetol = <N>
|
|
# Specifies the allowed variance from the average bitrate.
|
|
#ratetol = 1.0
|
|
|
|
# vbv_maxrate = <N>
|
|
# Specifies the maximum allowed local bitrate, in kbit/s.
|
|
#vbv_maxrate = 0
|
|
|
|
# vbv_bufsize = <N>
|
|
# Specifies the size of the VBV buffer for CBR encoding, in kbit.
|
|
#vbv_bufsize = 0
|
|
|
|
# vbv_init = <N>
|
|
# Specifies the initial occupancy of the VBV buffer as a decimal value.
|
|
#vbv_init = 0.9
|
|
|
|
# ip_ratio = <N>
|
|
# Specifies the QP ratio between I-frames and P-frames.
|
|
#ip_ratio = 1.4
|
|
|
|
# pb_ratio
|
|
# Specifies the QP ratio between P-frames and B-frames.
|
|
#pb_ratio = 1.3
|
|
|
|
# rc_eq = <string>
|
|
# Specifies the rate control equation.
|
|
#rc_eq = blurCplx^(1-qComp)
|
|
|
|
# qcomp = <N>
|
|
# Specifies the QP curve compression ratio. 0.0 gives constant bitrate
|
|
# encoding, while 1.0 gives constant quality encoding.
|
|
#qcomp = 0.6
|
|
|
|
# cplx_blur = <N>
|
|
# Specifies the amount by which to blur complexity before QP compression.
|
|
#cplx_blur = 20.0
|
|
|
|
# qblur = <N>
|
|
# Specifies the amount by which to blur the QP value after QP compression.
|
|
#qblur = 0.5
|
|
|
|
# zones = <string>
|
|
# Specifies exceptions to the rate control handling for particular
|
|
# frame ranges. The string is a slash-separated sequence of zones,
|
|
# where each zone takes the form "start-frame,end-frame,option".
|
|
# "start-frame" and "end-frame" define the zone, and "option" is one of:
|
|
# q=<QP>: force QP to <QP> (0-51)
|
|
# b=<factor>: multiply bitrate by <factor> (decimal value)
|
|
#zones = 0,100,q=10/200,300,b=1.5
|