[FFmpeg]ffmpeg命令参数详解(帮助说明)强大所有参数
[FFmpeg]ffmpeg命令参数详解(帮助说明)强大所有参数ffmpeg命令,ffmpeg参数
蛮长的,说一下,cmd命令行默认设置只显示300行高,超出的部分,前面就看不到了,可以点击左上角的小图标--属性--布局--高度,改大点即可.
- C:\Documents and Settings\Administrator>G:\视频处理-php-ffmpeg\FFmpeg\ffmpeg.exe
- -h
- FFmpeg version SVN-r19590, Copyright (c) 2000-2009 Fabrice Bellard, et al.
- configuration: --prefix=e:/ffmpeg_build/r19590 --enable-gpl --enable-nonfree -
- -enable-version3 --enable-pthreads --enable-memalign-hack --enable-shared --disa
- ble-static --enable-encoder=snow --disable-encoder=vorbis --disable-decoder=aac
- --disable-encoder=aac --disable-ffserver --enable-mpegaudio-hp --enable-avisynth
- --enable-bzlib --enable-libdirac --enable-libfaac --enable-libfaad --enable-lib
- mp3lame --enable-libgsm --enable-libopenjpeg --enable-libschroedinger --enable-l
- ibspeex --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid
- --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-avfilter --enable
- -avfilter-lavf --extra-cflags='-U__STRICT_ANSI__ -I/usr/local/include -I/usr/loc
- al/include/schroedinger-1.0 -I/usr/local/include/dirac' --extra-ldflags=-L/usr/l
- ocal/lib --extra-libs='-lpthreadGC2 -lstdc++'
- libavutil 50. 3. 0 / 50. 3. 0
- libavcodec 52.32. 0 / 52.32. 0
- libavformat 52.37. 0 / 52.37. 0
- libavdevice 52. 2. 0 / 52. 2. 0
- libavfilter 0. 5. 0 / 0. 5. 0
- libswscale 0. 7. 1 / 0. 7. 1
- built on Aug 5 2009 12:50:56, gcc: 4.3.3
- -------------------------------------------------------
- Compiled by ffmpeg@gmail.com and next@nextplayer.net
- Support/discussion group : http://www.nextplayer.net
- -----------------------Enjoy it!-----------------------
- usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...
- Hyper fast Audio and Video encoder
- Main options:
- -L show license
- -h show help
- -version show version
- -formats show available formats, codecs, protocols, ...
- -f fmt force format
- -i filename input file name
- -y overwrite output files
- -t duration record or transcode "duration" seconds of audio/video
- -fs limit_size set the limit file size in bytes
- -ss time_off set the start time offset
- -itsoffset time_off set the input ts offset
- -itsscale stream:scale set the input ts scale
- -timestamp time set the timestamp ('now' to set the current time)
- -metadata stringstring=string add metadata
- -dframes number set the number of data frames to record
- -v number set ffmpeg verbosity level
- -loglevel logging level number or string set libav* logging level
- -target type specify target file type ("vcd", "svcd", "dvd", "dv", "dv50"
- , "pal-vcd", "ntsc-svcd", ...)
- -xerror exit on error
- Advanced options:
- -map file:stream[:syncfile:syncstream] set input stream mapping
- -map_meta_data outfile:infile set meta data information of outfile from infile
- -benchmark add timings for benchmarking
- -dump dump each input packet
- -hex when dumping packets, also dump the payload
- -re read input at native frame rate
- -loop_input loop (current only works with images)
- -loop_output number of times to loop output in formats that support loopi
- ng (0 loops forever)
- -threads count thread count
- -vsync video sync method
- -async audio sync method
- -adrift_threshold threshold audio drift threshold
- -vglobal video global header storage type
- -copyts copy timestamps
- -shortest finish encoding within shortest input
- -dts_delta_threshold threshold timestamp discontinuity delta threshold
- -programid desired program number
- -copyinkf copy initial non-keyframes
- -muxdelay seconds set the maximum demux-decode delay
- -muxpreload seconds set the initial demux-decode delay
- Video options:
- -b bitrate set bitrate (in bits/s)
- -vb bitrate set bitrate (in bits/s)
- -vframes number set the number of video frames to record
- -r rate set frame rate (Hz value, fraction or abbreviation)
- -s size set frame size (WxH or abbreviation)
- -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
- -croptop size set top crop band size (in pixels)
- -cropbottom size set bottom crop band size (in pixels)
- -cropleft size set left crop band size (in pixels)
- -cropright size set right crop band size (in pixels)
- -padtop size set top pad band size (in pixels)
- -padbottom size set bottom pad band size (in pixels)
- -padleft size set left pad band size (in pixels)
- -padright size set right pad band size (in pixels)
- -padcolor color set color of pad bands (Hex 000000 thru FFFFFF)
- -vn disable video
- -vcodec codec force video codec ('copy' to copy stream)
- -sameq use same video quality as source (implies VBR)
- -pass n select the pass number (1 or 2)
- -passlogfile prefix select two pass log file name prefix
- -newvideo add a new video stream to the current output stream
- Advanced Video options:
- -pix_fmt format set pixel format, 'list' as argument shows all the pixel for
- mats supported
- -intra use only intra frames
- -vdt n discard threshold
- -qscale q use fixed video quantizer scale (VBR)
- -rc_override override rate control override for specific intervals
- -me_threshold threshold motion estimaton threshold
- -deinterlace deinterlace pictures
- -psnr calculate PSNR of compressed frames
- -vstats dump video coding statistics to file
- -vstats_file file dump video coding statistics to file
- -intra_matrix matrix specify intra matrix coeffs
- -inter_matrix matrix specify inter matrix coeffs
- -top top=1/bottom=0/auto=-1 field first
- -dc precision intra_dc_precision
- -vtag fourcc/tag force video tag/fourcc
- -qphist show QP histogram
- -force_fps force the selected framerate, disable the best supported fra
- merate selection
- -vbsf bitstream_filter
- -vpre preset set the video options to the indicated preset
- Audio options:
- -ab bitrate set bitrate (in bits/s)
- -aframes number set the number of audio frames to record
- -aq quality set audio quality (codec-specific)
- -ar rate set audio sampling rate (in Hz)
- -ac channels set number of audio channels
- -an disable audio
- -acodec codec force audio codec ('copy' to copy stream)
- -vol volume change audio volume (256=normal)
- -newaudio add a new audio stream to the current output stream
- -alang code set the ISO 639 language code (3 letters) of the current aud
- io stream
- Advanced Audio options:
- -atag fourcc/tag force audio tag/fourcc
- -sample_fmt format set sample format, 'list' as argument shows all the sample f
- ormats supported
- -absf bitstream_filter
- -apre preset set the audio options to the indicated preset
- Subtitle options:
- -sn disable subtitle
- -scodec codec force subtitle codec ('copy' to copy stream)
- -newsubtitle add a new subtitle stream to the current output stream
- -slang code set the ISO 639 language code (3 letters) of the current sub
- title stream
- -stag fourcc/tag force subtitle tag/fourcc
- -sbsf bitstream_filter
- -spre preset set the subtitle options to the indicated preset
- Audio/Video grab options:
- -vc channel set video grab channel (DV1394 only)
- -tvstd standard set television standard (NTSC, PAL (SECAM))
- -isync sync read on input
- AVCodecContext AVOptions:
- -b <int> E.V.. set bitrate (in bits/s)
- -ab <int> E..A. set bitrate (in bits/s)
- -bt <int> E.V.. set video bitrate tolerance (in bits/s)
- -flags <flags> EDVA.
- mv4 E.V.. use four motion vector by macroblock (mpeg4)
- obmc E.V.. use overlapped block motion compensation (h263+
- )
- qpel E.V.. use 1/4 pel motion compensation
- loop E.V.. use loop filter
- gmc E.V.. use gmc
- mv0 E.V.. always try a mb with mv=<0,0>
- part E.V.. use data partitioning
- gray EDV.. only decode/encode grayscale
- psnr E.V.. error[?] variables will be set during encoding
- naq E.V.. normalize adaptive quantization
- ildct E.V.. use interlaced dct
- low_delay EDV.. force low delay
- alt E.V.. enable alternate scantable (mpeg2/mpeg4)
- global_header E.VA. place global headers in extradata instead of ev
- ery keyframe
- bitexact EDVAS use only bitexact stuff (except (i)dct)
- aic E.V.. h263 advanced intra coding / mpeg4 ac predictio
- n
- umv E.V.. use unlimited motion vectors
- cbp E.V.. use rate distortion optimization for cbp
- qprd E.V.. use rate distortion optimization for qp selecti
- on
- aiv E.V.. h263 alternative inter vlc
- slice E.V..
- ilme E.V.. interlaced motion estimation
- scan_offset E.V.. will reserve space for svcd scan offset user da
- ta
- cgop E.V.. closed gop
- -me_method <int> E.V.. set motion estimation method
- zero E.V.. zero motion estimation (fastest)
- full E.V.. full motion estimation (slowest)
- epzs E.V.. EPZS motion estimation (default)
- esa E.V.. esa motion estimation (alias for full)
- tesa E.V.. tesa motion estimation
- dia E.V.. dia motion estimation (alias for epzs)
- log E.V.. log motion estimation
- phods E.V.. phods motion estimation
- x1 E.V.. X1 motion estimation
- hex E.V.. hex motion estimation
- umh E.V.. umh motion estimation
- iter E.V.. iter motion estimation
- -g <int> E.V.. set the group of picture size
- -cutoff <int> E..A. set cutoff bandwidth
- -frame_size <int> E..A.
- -qcomp <float> E.V.. video quantizer scale compression (VBR)
- -qblur <float> E.V.. video quantizer scale blur (VBR)
- -qmin <int> E.V.. min video quantizer scale (VBR)
- -qmax <int> E.V.. max video quantizer scale (VBR)
- -qdiff <int> E.V.. max difference between the quantizer scale (VBR
- )
- -bf <int> E.V.. use 'frames' B frames
- -b_qfactor <float> E.V.. qp factor between p and b frames
- -rc_strategy <int> E.V.. ratecontrol method
- -b_strategy <int> E.V.. strategy to choose between I/P/B-frames
- -hurry_up <int> .DV..
- -ps <int> E.V.. rtp payload size in bytes
- -bug <flags> .DV.. workaround not auto detected encoder bugs
- autodetect .DV..
- old_msmpeg4 .DV.. some old lavc generated msmpeg4v3 files (no aut
- odetection)
- xvid_ilace .DV.. Xvid interlacing bug (autodetected if fourcc==X
- VIX)
- ump4 .DV.. (autodetected if fourcc==UMP4)
- no_padding .DV.. padding bug (autodetected)
- amv .DV..
- ac_vlc .DV.. illegal vlc bug (autodetected per fourcc)
- qpel_chroma .DV..
- std_qpel .DV.. old standard qpel (autodetected per fourcc/vers
- ion)
- qpel_chroma2 .DV..
- direct_blocksize .DV.. direct-qpel-blocksize bug (autodetected per fo
- urcc/version)
- edge .DV.. edge padding bug (autodetected per fourcc/versi
- on)
- hpel_chroma .DV..
- dc_clip .DV..
- ms .DV.. workaround various bugs in microsofts broken de
- coders
- -lelim <int> E.V.. single coefficient elimination threshold for lu
- minance (negative values also consider dc coefficient)
- -celim <int> E.V.. single coefficient elimination threshold for ch
- rominance (negative values also consider dc coefficient)
- -strict <int> EDVA. how strictly to follow the standards
- very EDV.. strictly conform to a older more strict version
- of the spec or reference software
- strict EDV.. strictly conform to all the things in the spec
- no matter what consequences
- normal EDV..
- inofficial EDV.. allow inofficial extensions
- experimental EDV.. allow non standardized experimental things
- -b_qoffset <float> E.V.. qp offset between P and B frames
- -er <int> .DVA. set error detection aggressivity
- careful .DV..
- compliant .DV..
- aggressive .DV..
- very_aggressive .DV..
- -mpeg_quant <int> E.V.. use MPEG quantizers instead of H.263
- -qsquish <float> E.V.. how to keep quantizer between qmin and qmax (0
- = clip, 1 = use differentiable function)
- -rc_qmod_amp <float> E.V.. experimental quantizer modulation
- -rc_qmod_freq <int> E.V.. experimental quantizer modulation
- -rc_eq <string> E.V.. set rate control equation
- -maxrate <int> E.V.. set max video bitrate tolerance (in bits/s)
- -minrate <int> E.V.. set min video bitrate tolerance (in bits/s)
- -bufsize <int> E.VA. set ratecontrol buffer size (in bits)
- -rc_buf_aggressivity <float> E.V.. currently useless
- -i_qfactor <float> E.V.. qp factor between P and I frames
- -i_qoffset <float> E.V.. qp offset between P and I frames
- -rc_init_cplx <float> E.V.. initial complexity for 1-pass encoding
- -dct <int> E.V.. DCT algorithm
- auto E.V.. autoselect a good one (default)
- fastint E.V.. fast integer
- int E.V.. accurate integer
- mmx E.V..
- mlib E.V..
- altivec E.V..
- faan E.V.. floating point AAN DCT
- -lumi_mask <float> E.V.. compresses bright areas stronger than medium on
- es
- -tcplx_mask <float> E.V.. temporal complexity masking
- -scplx_mask <float> E.V.. spatial complexity masking
- -p_mask <float> E.V.. inter masking
- -dark_mask <float> E.V.. compresses dark areas stronger than medium ones
- -idct <int> EDV.. select IDCT implementation
- auto EDV..
- int EDV..
- simple EDV..
- simplemmx EDV..
- libmpeg2mmx EDV..
- ps2 EDV..
- mlib EDV..
- arm EDV..
- altivec EDV..
- sh4 EDV..
- simplearm EDV..
- simplearmv5te EDV..
- simplearmv6 EDV..
- simpleneon EDV..
- simplealpha EDV..
- h264 EDV..
- vp3 EDV..
- ipp EDV..
- xvidmmx EDV..
- faani EDV.. floating point AAN IDCT
- -ec <flags> .DV.. set error concealment strategy
- guess_mvs .DV.. iterative motion vector (MV) search (slow)
- deblock .DV.. use strong deblock filter for damaged MBs
- -pred <int> E.V.. prediction method
- left E.V..
- plane E.V..
- median E.V..
- -aspect <rational> E.V.. sample aspect ratio
- -debug <flags> EDVAS print specific debug info
- pict .DV.. picture info
- rc E.V.. rate control
- bitstream .DV..
- mb_type .DV.. macroblock (MB) type
- qp .DV.. per-block quantization parameter (QP)
- mv .DV.. motion vector
- dct_coeff .DV..
- skip .DV..
- startcode .DV..
- pts .DV..
- er .DV.. error recognition
- mmco .DV.. memory management control operations (H.264)
- bugs .DV..
- vis_qp .DV.. visualize quantization parameter (QP), lower QP
- are tinted greener
- vis_mb_type .DV.. visualize block types
- buffers .DV.. picture buffer allocations
- -vismv <int> .DV.. visualize motion vectors (MVs)
- pf .DV.. forward predicted MVs of P-frames
- bf .DV.. forward predicted MVs of B-frames
- bb .DV.. backward predicted MVs of B-frames
- -mb_qmin <int> E.V.. obsolete, use qmin
- -mb_qmax <int> E.V.. obsolete, use qmax
- -cmp <int> E.V.. full pel me compare function
- sad E.V.. sum of absolute differences, fast (default)
- sse E.V.. sum of squared errors
- satd E.V.. sum of absolute Hadamard transformed difference
- s
- dct E.V.. sum of absolute DCT transformed differences
- psnr E.V.. sum of squared quantization errors (avoid, low
- quality)
- bit E.V.. number of bits needed for the block
- rd E.V.. rate distortion optimal, slow
- zero E.V.. 0
- vsad E.V.. sum of absolute vertical differences
- vsse E.V.. sum of squared vertical differences
- nsse E.V.. noise preserving sum of squared differences
- w53 E.V.. 5/3 wavelet, only used in snow
- w97 E.V.. 9/7 wavelet, only used in snow
- dctmax E.V..
- chroma E.V..
- -subcmp <int> E.V.. sub pel me compare function
- sad E.V.. sum of absolute differences, fast (default)
- sse E.V.. sum of squared errors
- satd E.V.. sum of absolute Hadamard transformed difference
- s
- dct E.V.. sum of absolute DCT transformed differences
- psnr E.V.. sum of squared quantization errors (avoid, low
- quality)
- bit E.V.. number of bits needed for the block
- rd E.V.. rate distortion optimal, slow
- zero E.V.. 0
- vsad E.V.. sum of absolute vertical differences
- vsse E.V.. sum of squared vertical differences
- nsse E.V.. noise preserving sum of squared differences
- w53 E.V.. 5/3 wavelet, only used in snow
- w97 E.V.. 9/7 wavelet, only used in snow
- dctmax E.V..
- chroma E.V..
- -mbcmp <int> E.V.. macroblock compare function
- sad E.V.. sum of absolute differences, fast (default)
- sse E.V.. sum of squared errors
- satd E.V.. sum of absolute Hadamard transformed difference
- s
- dct E.V.. sum of absolute DCT transformed differences
- psnr E.V.. sum of squared quantization errors (avoid, low
- quality)
- bit E.V.. number of bits needed for the block
- rd E.V.. rate distortion optimal, slow
- zero E.V.. 0
- vsad E.V.. sum of absolute vertical differences
- vsse E.V.. sum of squared vertical differences
- nsse E.V.. noise preserving sum of squared differences
- w53 E.V.. 5/3 wavelet, only used in snow
- w97 E.V.. 9/7 wavelet, only used in snow
- dctmax E.V..
- chroma E.V..
- -ildctcmp <int> E.V.. interlaced dct compare function
- sad E.V.. sum of absolute differences, fast (default)
- sse E.V.. sum of squared errors
- satd E.V.. sum of absolute Hadamard transformed difference
- s
- dct E.V.. sum of absolute DCT transformed differences
- psnr E.V.. sum of squared quantization errors (avoid, low
- quality)
- bit E.V.. number of bits needed for the block
- rd E.V.. rate distortion optimal, slow
- zero E.V.. 0
- vsad E.V.. sum of absolute vertical differences
- vsse E.V.. sum of squared vertical differences
- nsse E.V.. noise preserving sum of squared differences
- w53 E.V.. 5/3 wavelet, only used in snow
- w97 E.V.. 9/7 wavelet, only used in snow
- dctmax E.V..
- chroma E.V..
- -dia_size <int> E.V.. diamond type & size for motion estimation
- -last_pred <int> E.V.. amount of motion predictors from the previous f
- rame
- -preme <int> E.V.. pre motion estimation
- -precmp <int> E.V.. pre motion estimation compare function
- sad E.V.. sum of absolute differences, fast (default)
- sse E.V.. sum of squared errors
- satd E.V.. sum of absolute Hadamard transformed difference
- s
- dct E.V.. sum of absolute DCT transformed differences
- psnr E.V.. sum of squared quantization errors (avoid, low
- quality)
- bit E.V.. number of bits needed for the block
- rd E.V.. rate distortion optimal, slow
- zero E.V.. 0
- vsad E.V.. sum of absolute vertical differences
- vsse E.V.. sum of squared vertical differences
- nsse E.V.. noise preserving sum of squared differences
- w53 E.V.. 5/3 wavelet, only used in snow
- w97 E.V.. 9/7 wavelet, only used in snow
- dctmax E.V..
- chroma E.V..
- -pre_dia_size <int> E.V.. diamond type & size for motion estimation pre-p
- ass
- -subq <int> E.V.. sub pel motion estimation quality
- -me_range <int> E.V.. limit motion vectors range (1023 for DivX playe
- r)
- -ibias <int> E.V.. intra quant bias
- -pbias <int> E.V.. inter quant bias
- -coder <int> E.V..
- vlc E.V.. variable length coder / huffman coder
- ac E.V.. arithmetic coder
- raw E.V.. raw (no encoding)
- rle E.V.. run-length coder
- deflate E.V.. deflate-based coder
- -context <int> E.V.. context model
- -mbd <int> E.V.. macroblock decision algorithm (high quality mod
- e)
- simple E.V.. use mbcmp (default)
- bits E.V.. use fewest bits
- rd E.V.. use best rate distortion
- -sc_threshold <int> E.V.. scene change threshold
- -lmin <int> E.V.. min lagrange factor (VBR)
- -lmax <int> E.V.. max lagrange factor (VBR)
- -nr <int> E.V.. noise reduction
- -rc_init_occupancy <int> E.V.. number of bits which should be loaded into the
- rc buffer before decoding starts
- -inter_threshold <int> E.V..
- -flags2 <flags> EDVA.
- fast E.V.. allow non spec compliant speedup tricks
- sgop E.V.. strictly enforce gop size
- noout E.V.. skip bitstream encoding
- local_header E.V.. place global headers at every keyframe instead
- of in extradata
- bpyramid E.V.. allows B-frames to be used as references for pr
- edicting
- wpred E.V.. weighted biprediction for b-frames (H.264)
- mixed_refs E.V.. one reference per partition, as opposed to one
- reference per macroblock
- dct8x8 E.V.. high profile 8x8 transform (H.264)
- fastpskip E.V.. fast pskip (H.264)
- aud E.V.. access unit delimiters (H.264)
- skiprd E.V.. RD optimal MB level residual skipping
- ivlc E.V.. intra vlc table
- drop_frame_timecode E.V..
- non_linear_q E.V.. use non linear quantizer
- reservoir E..A. use bit reservoir
- -error <int> E.V..
- -antialias <int> .DV.. MP3 antialias algorithm
- auto .DV..
- fastint .DV..
- int .DV..
- float .DV..
- -qns <int> E.V.. quantizer noise shaping
- -threads <int> EDV..
- -mb_threshold <int> E.V.. macroblock threshold
- -dc <int> E.V.. intra_dc_precision
- -nssew <int> E.V.. nsse weight
- -skip_top <int> .DV.. number of macroblock rows at the top which are
- skipped
- -skip_bottom <int> .DV.. number of macroblock rows at the bottom which a
- re skipped
- -profile <int> E.VA.
- unknown E.VA.
- aac_main E..A.
- aac_low E..A.
- aac_ssr E..A.
- aac_ltp E..A.
- -level <int> E.VA.
- unknown E.VA.
- -lowres <int> .DV.. decode at 11= 1/2, 2=1/4, 3=1/8 resolutions
- -skip_threshold <int> E.V.. frame skip threshold
- -skip_factor <int> E.V.. frame skip factor
- -skip_exp <int> E.V.. frame skip exponent
- -skipcmp <int> E.V.. frame skip compare function
- sad E.V.. sum of absolute differences, fast (default)
- sse E.V.. sum of squared errors
- satd E.V.. sum of absolute Hadamard transformed difference
- s
- dct E.V.. sum of absolute DCT transformed differences
- psnr E.V.. sum of squared quantization errors (avoid, low
- quality)
- bit E.V.. number of bits needed for the block
- rd E.V.. rate distortion optimal, slow
- zero E.V.. 0
- vsad E.V.. sum of absolute vertical differences
- vsse E.V.. sum of squared vertical differences
- nsse E.V.. noise preserving sum of squared differences
- w53 E.V.. 5/3 wavelet, only used in snow
- w97 E.V.. 9/7 wavelet, only used in snow
- dctmax E.V..
- chroma E.V..
- -border_mask <float> E.V.. increases the quantizer for macroblocks close t
- o borders
- -mblmin <int> E.V.. min macroblock lagrange factor (VBR)
- -mblmax <int> E.V.. max macroblock lagrange factor (VBR)
- -mepc <int> E.V.. motion estimation bitrate penalty compensation
- (1.0 = 256)
- -skip_loop_filter <int> .DV..
- none .DV..
- default .DV..
- noref .DV..
- bidir .DV..
- nokey .DV..
- all .DV..
- -skip_idct <int> .DV..
- none .DV..
- default .DV..
- noref .DV..
- bidir .DV..
- nokey .DV..
- all .DV..
- -skip_frame <int> .DV..
- none .DV..
- default .DV..
- noref .DV..
- bidir .DV..
- nokey .DV..
- all .DV..
- -bidir_refine <int> E.V.. refine the two motion vectors used in bidirecti
- onal macroblocks
- -brd_scale <int> E.V.. downscales frames for dynamic B-frame decision
- -crf <float> E.V.. enables constant quality mode, and selects the
- quality (x264)
- -cqp <int> E.V.. constant quantization parameter rate control me
- thod
- -keyint_min <int> E.V.. minimum interval between IDR-frames (x264)
- -refs <int> E.V.. reference frames to consider for motion compens
- ation (Snow)
- -chromaoffset <int> E.V.. chroma qp offset from luma
- -bframebias <int> E.V.. influences how often B-frames are used
- -trellis <int> E.VA. rate-distortion optimal quantization
- -directpred <int> E.V.. direct mv prediction mode - 0 (none), 1 (spatia
- l), 2 (temporal), 3 (auto)
- -complexityblur <float> E.V.. reduce fluctuations in qp (before curve compres
- sion)
- -deblockalpha <int> E.V.. in-loop deblocking filter alphac0 parameter
- -deblockbeta <int> E.V.. in-loop deblocking filter beta parameter
- -partitions <flags> E.V.. macroblock subpartition sizes to consider
- parti4x4 E.V..
- parti8x8 E.V..
- partp4x4 E.V..
- partp8x8 E.V..
- partb8x8 E.V..
- -sc_factor <int> E.V.. multiplied by qscale for each frame and added t
- o scene_change_score
- -mv0_threshold <int> E.V..
- -b_sensitivity <int> E.V.. adjusts sensitivity of b_frame_strategy 1
- -compression_level <int> E.VA.
- -use_lpc <int> E..A. sets whether to use LPC mode (FLAC)
- -lpc_coeff_precision <int> E..A. LPC coefficient precision (FLAC)
- -min_prediction_order <int> E..A.
- -max_prediction_order <int> E..A.
- -prediction_order_method <int> E..A. search method for selecting prediction or
- der
- -min_partition_order <int> E..A.
- -max_partition_order <int> E..A.
- -timecode_frame_start <int64> E.V.. GOP timecode frame start number, in non drop
- frame format
- -request_channels <int> .D.A. set desired number of audio channels
- -drc_scale <float> .D.A. percentage of dynamic range compression to appl
- y
- -channel_layout <int64> ED.A.
- -request_channel_layout <int64> .D.A.
- -rc_max_vbv_use <float> E.V..
- -rc_min_vbv_use <float> E.V..
- -ticks_per_frame <int> EDVA.
- -color_primaries <int> EDV..
- -color_trc <int> EDV..
- -colorspace <int> EDV..
- -color_range <int> EDV..
- -chroma_sample_location <int> EDV..
- AVFormatContext AVOptions:
- -probesize <int> .D... set probing size
- -muxrate <int> E.... set mux rate
- -packetsize <int> E.... set packet size
- -fflags <flags> ED...
- ignidx .D... ignore index
- genpts .D... generate pts
- -track <int> E.... set the track number
- -year <int> E.... set the year
- -analyzeduration <int> .D... how many microseconds are analyzed to estimate
- duration
- -cryptokey <binary> .D... decryption key
- -indexmem <int> .D... max memory used for timestamp index (per stream
- )
- -rtbufsize <int> .D... max memory used for buffering real-time frames
- -fdebug <flags> ED... print specific debug info
- ts ED...
- SWScaler AVOptions:
- -sws_flags <flags> E.V.. scaler/cpu flags
- fast_bilinear E.V.. fast bilinear
- bilinear E.V.. bilinear
- bicubic E.V.. bicubic
- experimental E.V.. experimental
- neighbor E.V.. nearest neighbor
- area E.V.. averaging area
- bicublin E.V.. luma bicubic, chroma bilinear
- gauss E.V.. gaussian
- sinc E.V.. sinc
- lanczos E.V.. lanczos
- spline E.V.. natural bicubic spline
- print_info E.V.. print info
- accurate_rnd E.V.. accurate rounding
- mmx E.V.. MMX SIMD acceleration
- mmx2 E.V.. MMX2 SIMD acceleration
- 3dnow E.V.. 3DNOW SIMD acceleration
- altivec E.V.. AltiVec SIMD acceleration
- bfin E.V.. Blackfin SIMD acceleration
- full_chroma_int E.V.. full chroma interpolation
- full_chroma_inp E.V.. full chroma input
- bitexact E.V..
- C:\Documents and Settings\Administrator>
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