【文件属性】:
文件名称:编译好的x265,带y4m文件
文件大小:4.92MB
文件格式:RAR
更新时间:2017-12-10 10:49:27
x265 hevc
编译好的x265,带y4m文件
Syntax: x265 [options] infile [-o] outfile
infile can be YUV or Y4M
outfile is raw HEVC bitstream
Executable Options:
-h/--help Show this help text and exit
-V/--version Show version info and exit
Output Options:
-o/--output Bitstream output file name
--log-level Logging level: none error warning info debug full. Default info
--no-progress Disable CLI progress reports
--[no-]cu-stats Enable logging stats about distribution of cu across all modes. Default disabled
Input Options:
--input Raw YUV or Y4M input file name. `-` for stdin
--fps Source frame rate (float or num/denom), auto-detected if Y4M
--input-res WxH Source picture size [w x h], auto-detected if Y4M
-f/--frames Maximum number of frames to encode. Default all
--seek First frame to encode
Quality reporting metrics:
--[no-]ssim Enable reporting SSIM metric scores. Default disabled
--[no-]psnr Enable reporting PSNR metric scores. Default disabled
Profile, Level, Tier:
--profile Enforce an encode profile: main, main10, mainstillpicture
--level-idc Force a minumum required decoder level (as '5.0' or '50')
--[no-]high-tier If a decoder level is specified, this modifier selects High tier of that level
Threading, performance:
--threads Number of threads for thread pool (0: detect CPU core count, default)
-F/--frame-threads Number of concurrently encoded frames. 0: auto-determined by core count
--[no-]wpp Enable Wavefront Parallel Processing. Default enabled
--[no-]pmode Parallel mode analysis. Default disabled
--[no-]pme Parallel motion estimation. Default disabled
--[no-]asm Override CPU detection. Default: auto
Presets:
-p/--preset Trade off performance for compression efficiency. Default medium
ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow, or placebo
-t/--tune Tune the settings for a particular type of source or situation:
psnr, ssim, grain, zerolatency, or fastdecode
Quad-Tree size and depth:
-s/--ctu <64|32|16> Maximum CU size (WxH). Default 64
--tu-intra-depth Max TU recursive depth for intra CUs. Default 1
--tu-inter-depth Max TU recursive depth for inter CUs. Default 1
Analysis:
--rd <0..6> Level of RD in mode decision 0:least....6:full RDO. Default 3
--psy-rd <0..2.0> Strength of psycho-visual rate distortion optimization, 0 to disable. Default 0.0
--psy-rdoq <0..50.0> Strength of psycho-visual optimization in quantization, 0 to disable. Default 0.0
--[no-]early-skip Enable early SKIP detection. Default disabled
Coding tools:
-w/--[no-]weightp Enable weighted prediction in P slices. Default enabled
--[no-]weightb Enable weighted prediction in B slices. Default disabled
--[no-]cu-lossless Consider lossless mode in CU RDO decisions. Default disabled
--[no-]signhide Hide sign bit of one coeff per TU (rdo). Default enabled
Temporal / motion search options:
--me Motion search method dia hex umh star full. Default 1
-m/--subme Amount of subpel refinement to perform (0:least .. 7:most). Default 2
--merange Motion search range. Default 57
--max-merge <1..5> Maximum number of merge candidates. Default 2
--[no-]rect Enable rectangular motion partitions Nx2N and 2NxN. Default disabled
--[no-]amp Enable asymmetric motion partitions, requires --rect. Default disabled
Spatial / intra options:
--[no-]strong-intra-smoothing Enable strong intra smoothing for 32x32 blocks. Default enabled
--[no-]constrained-intra Constrained intra prediction (use only intra coded reference pixels) Default disabled
--[no-]b-intra Enable intra in B frames in veryslow presets. Default disabled
--[no-]fast-intra Enable faster search method for angular intra predictions. Default disabled
--rdpenalty <0..2> penalty for 32x32 intra TU in non-I slices. 0:disabled 1:RD-penalty 2:maximum. Default 0
Slice decision options:
--[no-]open-gop Enable open-GOP, allows I slices to be non-IDR. Default enabled
-I/--keyint Max IDR period in frames. -1 for infinite-gop. Default 250
-i/--min-keyint Scenecuts closer together than this are coded as I, not IDR. Default: auto
--no-scenecut Disable adaptive I-frame decision
--scenecut How aggressively to insert extra I-frames. Default 40
--rc-lookahead Number of frames for frame-type lookahead (determines encoder latency) Default 20
--bframes Maximum number of consecutive b-frames (now it only enables B GOP structure) Default 4
--b-adapt <0..2> 0 - none, 1 - fast, 2 - full (trellis) adaptive B frame scheduling. Default 2
--[no-]b-pyramid Use B-frames as references. Default enabled
--ref max number of L0 references to be allowed (1 .. 16) Default 3
Rate control, Adaptive Quantization:
--bitrate Target bitrate (kbps) for ABR (implied). Default 0
--crf Quality-based VBR (0-51). Default 28.0
--vbv-maxrate Max local bitrate (kbit/s). Default 0
--vbv-bufsize Set size of the VBV buffer (kbit). Default 0
--vbv-init Initial VBV buffer occupancy (fraction of bufsize or in kbits). Default 0.90
--pass Multi pass rate control.
- 1 : First pass, creates stats file
- 2 : Last pass, does not overwrite stats file
- 3 : Nth pass, overwrites stats file
--stats Filename for stats file in multipass pass rate control. Default x265_2pass.log
--[no-]slow-firstpass Enable a slow first pass in a multipass rate control mode. Default disabled
--analysis-mode save - Dump analysis info into file, load - Load analysis buffers from the file. Default 0
--analysis-file Specify file name used for either dumping or reading analysis data.
--aq-mode Mode for Adaptive Quantization - 0:none 1:uniform AQ 2:auto variance. Default 2
--aq-strength Reduces blocking and blurring in flat and textured areas (0 to 3.0). Default 1.00
--[no-]cutree Enable cutree for Adaptive Quantization. Default enabled
Loop filters (deblock and SAO):
--[no-]deblock Enable Deblocking Loop Filter, optionally specify tC:Beta offsets Default enabled
--[no-]sao Enable Sample Adaptive Offset. Default enabled
VUI options:
--sar Sample Aspect Ratio, the ratio of width to height of an individual pixel.
Choose from 0=undef, 1=1:1("square"), 2=12:11, 3=10:11, 4=16:11,
5=40:33, 6=24:11, 7=20:11, 8=32:11, 9=80:33, 10=18:11, 11=15:11,
12=64:33, 13=160:99, 14=4:3, 15=3:2, 16=2:1 or custom ratio of . Default 0
--videoformat Specify video format from undef, component, pal, ntsc, secam, mac. Default undef
--range Specify black level and range of luma and chroma signals as full or limited Default limited
--colorprim Specify color primaries from undef, bt709, bt470m, bt470bg, smpte170m,
smpte240m, film, bt2020. Default undef
--transfer Specify transfer characteristics from undef, bt709, bt470m, bt470bg, smpte170m,
smpte240m, linear, log100, log316, iec61966-2-4, bt1361e, iec61966-2-1,
bt2020-10, bt2020-12. Default undef
Bitstream options:
--[no-]info Emit SEI identifying encoder and parameters. Default enabled
--[no-]aud Emit access unit delimiters at the start of each access unit. Default disabled
--[no-]hrd Enable HRD parameters signaling. Default disabled
--[no-]repeat-headers Emit SPS and PPS headers at each keyframe. Default disabled
Use --log-level full --help for a full listing
Complete documentation may be found at http://x265.readthedocs.org/en/default/cli.html
【文件预览】:
x265.exe
libx265.dll
1.h265
example.y4m