X-Git-Url: https://git.piment-noir.org/?p=deb_x265.git;a=blobdiff_plain;f=debian%2Fx265-help.txt;fp=debian%2Fx265-help.txt;h=0000000000000000000000000000000000000000;hp=dda07f703974971dc0ed56e263cd1ffb56a800a4;hb=b53f7c52d8280ab63876efd6eb292c21430ac607;hpb=5c9b45285dd64723ad1dac380b98a7b1f3095674 diff --git a/debian/x265-help.txt b/debian/x265-help.txt deleted file mode 100644 index dda07f7..0000000 --- a/debian/x265-help.txt +++ /dev/null @@ -1,174 +0,0 @@ - -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 - --csv Comma separated log file, log level >= 3 frame log, else one line per run - -Input Options: - --input Raw YUV or Y4M input file name. `-` for stdin - --y4m Force parsing of input stream as YUV4MPEG2 regardless of file extension - --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 - --input-depth Bit-depth of input file. Default 8 - --input-csp Source color space: i420, i444 or i422, auto-detected if Y4M. Default: i420 --f/--frames Maximum number of frames to encode. Default all - --seek First frame to encode - --[no-]interlace Indicate input pictures are interlace fields in temporal order. Default progressive - --dither Enable dither if downscaling to 8 bit pixels. Default disabled - -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, zerolatency, or fastdecode - -Quad-Tree size and depth: --s/--ctu <64|32|16> Maximum CU size (default: 64x64). 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 - --[no-]rect Enable rectangular motion partitions Nx2N and 2NxN. Default disabled - --[no-]amp Enable asymmetric motion partitions, requires --rect. Default disabled - -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 0.000000 - --psy-rdoq <0..50.0> Strength of psycho-visual optimization in quantization, 0 to disable. Default 0.000000 - --nr An integer value in range of 100 to 1000, which denotes strength of noise reduction. Default disabled - --[no-]tskip-fast Enable fast intra transform skipping. Default disabled - --[no-]early-skip Enable early SKIP detection. Default disabled - --[no-]fast-cbf Enable early outs based on whether residual is coded. 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 - --[no-]tskip Enable intra 4x4 transform skipping. Default disabled - -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-]temporal-mvp Enable temporal MV predictors. Default enabled - -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 - --bframe-bias Bias towards B frame decisions. Default 0 - --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 - --qpfile Force frametypes and QPs for some or all frames - Format of each line: framenumber frametype QP - QP is optional (none lets x265 choose). Frametypes: I,i,P,B,b. - QPs are restricted by qpmin/qpmax. - -Rate control, Quantization: - --bitrate Target bitrate (kbps) for ABR (implied). Default 0 --q/--qp QP for P slices in CQP mode (implied). --ipratio and --pbration determine other slice QPs - --crf Quality-based VBR (0-51). Default 28.000000 - --[no-]lossless Enable lossless: bypass transform, quant and loop filters globally. Default disabled - --crf-max With CRF+VBV, limit RF to this value. Default 0.000000 - May cause VBV underflows! - --crf-min With CRF+VBV, limit RF to this value. Default 0.000000 - this specifies a minimum rate factor value for encode! - --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 0.900000 - --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 1.000000 - --[no-]cutree Enable cutree for Adaptive Quantization. Default enabled - --ipratio QP factor between I and P. Default 1.400000 - --pbratio QP factor between P and B. Default 1.300000 - --cbqpoffs Chroma Cb QP Offset. Default 0 - --crqpoffs Chroma Cr QP Offset. Default 0 - --stats Filename for stats file in multipass pass rate control. Default x265_2pass.log - --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 - --[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. - --scaling-list Specify a file containing HM style quant scaling lists or 'default' or 'off'. Default: off - --lambda-file Specify a file containing replacement values for the lambda tables - MAX_MAX_QP+1 floats for lambda table, then again for lambda2 table - Blank lines and lines starting with hash(#) are ignored - Comma is considered to be white-space - -Loop filters (deblock and SAO): - --[no-]lft Enable Deblocking Loop Filter. Default enabled - --[no-]sao Enable Sample Adaptive Offset. Default enabled - --[no-]sao-non-deblock Use non-deblocked pixels, else right/bottom boundary areas skipped. Default disabled - -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 - --crop-rect Add 'left,top,right,bottom' to the bitstream-level cropping rectangle - --overscan Specify whether it is appropriate for decoder to show cropped region: undef, show or crop. Default undef - --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 - --colormatrix Specify color matrix setting from undef, bt709, fcc, bt470bg, smpte170m, - smpte240m, GBR, YCgCo, bt2020nc, bt2020c. Default undef - --chromaloc Specify chroma sample location (0 to 5). Default of 0 - -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 signalling. Default disabled - --[no-]repeat-headers Emit SPS and PPS headers at each keyframe. Default disabled - --hash Decoded Picture Hash SEI 0: disabled, 1: MD5, 2: CRC, 3: Checksum. Default 0 - -Reconstructed video options (debugging): --r/--recon Reconstructed raw image YUV or Y4M output file name - --recon-depth Bit-depth of reconstructed raw image file. Defaults to input bit depth, or 8 if Y4M - - -Full documentation may be found at http://x265.readthedocs.org/en/default/cli.html