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2013年08月01日 (木) 19:12 | Mac | 編集 |
ffmpeg-1.2.7/ffmpeg -h long
ffmpeg version 1.2-tessus Copyright (c) 2000-2013 the FFmpeg developers
built on Mar 15 2013 01:18:55 with llvm-gcc 4.2.1 (LLVM build 2336.1.00)
configuration: --prefix=/Users/tessus/data/ext/ffmpeg/sw --as=yasm --extra-version=tessus --disable-shared --enable-static --disable-ffplay --enable-gpl --enable-pthreads --enable-postproc --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-libspeex --enable-bzlib --enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-version3 --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvpx --enable-libgsm --enable-libopus --enable-fontconfig --enable-libfreetype --enable-libass --enable-filters --enable-runtime-cpudetect
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

Getting help:
-h -- print basic options
-h long -- print more options
-h full -- print all options (including all format and codec specific options, very long)
See man ffmpeg for detailed description of the options.

Print help / information / capabilities:
-L show license
-h topic show help
-? topic show help
-help topic show help
--help topic show help
-version show version
-formats show available formats
-codecs show available codecs
-decoders show available decoders
-encoders show available encoders
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats

Global options (affect whole program instead of just one file:
-loglevel loglevel set libav* logging level
-v loglevel set libav* logging level
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-y overwrite output files
-n do not overwrite output files
-stats print progress report during encoding
-bits_per_raw_sample number set the number of bits per raw sample
-vol volume change audio volume (256=normal)

Advanced global options:
-cpuflags flags force specific cpu flags
-benchmark add timings for benchmarking
-benchmark_all add timings for each task
-progress url write program-readable progress information
-stdin enable or disable interaction on standard input
-timelimit limit set max runtime in seconds
-dump dump each input packet
-hex when dumping packets, also dump the payload
-vsync video sync method
-async audio sync method
-adrift_threshold threshold audio drift threshold
-copyts copy timestamps
-copytb mode copy input stream time base when stream copying
-dts_delta_threshold threshold timestamp discontinuity delta threshold
-dts_error_threshold threshold timestamp error delta threshold
-xerror error exit on error
-filter_complex graph_description create a complex filtergraph
-debug_ts print timestamp debugging info
-intra deprecated use -g 1
-vdt n discard threshold
-sameq Removed
-same_quant Removed
-deinterlace this option is deprecated, use the yadif filter instead
-psnr calculate PSNR of compressed frames
-vstats dump video coding statistics to file
-vstats_file file dump video coding statistics to file
-dc precision intra_dc_precision
-qphist show QP histogram
-vc channel deprecated, use -channel
-tvstd standard deprecated, use -standard
-isync this option is deprecated and does nothing

Per-file main options:
-f fmt force format
-c codec codec name
-codec codec codec name
-pre preset preset name
-map_metadata outfile[,metadata]:infile[,metadata] set metadata information of outfile from infile
-t duration record or transcode "duration" seconds of audio/video
-to time_stop record or transcode stop time
-fs limit_size set the limit file size in bytes
-ss time_off set the start time offset
-timestamp time set the recording timestamp ('now' to set the current time)
-metadata string=string add metadata
-target type specify target file type ("vcd", "svcd", "dvd", "dv", "dv50", "pal-vcd", "ntsc-svcd", ...)
-frames number set the number of frames to record
-filter filter_graph set stream filtergraph
-reinit_filter reinit filtergraph on input parameter changes

Advanced per-file options:
-map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_s set input stream mapping
-map_channel file.stream.channel[:syncfile.syncstream] map an audio channel from one stream to another
-map_chapters input_file_index set chapters mapping
-itsoffset time_off set the input ts offset
-itsscale scale set the input ts scale
-dframes number set the number of data frames to record
-re read input at native frame rate
-shortest finish encoding within shortest input
-copyinkf copy initial non-keyframes
-copypriorss copy or discard frames before start time
-tag fourcc/tag force codec tag/fourcc
-q q use fixed quality scale (VBR)
-qscale q use fixed quality scale (VBR)
-profile profile set profile
-attach filename add an attachment to the output file
-dump_attachment filename extract an attachment into a file
-muxdelay seconds set the maximum demux-decode delay
-muxpreload seconds set the initial demux-decode delay
-bsf bitstream_filters A comma-separated list of bitstream filters
-fpre filename set options from indicated preset file
-dcodec codec force data codec ('copy' to copy stream)

Video options:
-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)
-bits_per_raw_sample number set the number of bits per raw sample
-vn disable video
-vcodec codec force video codec ('copy' to copy stream)
-timecode hh:mm:ss[:;.]ff set initial TimeCode value.
-pass n select the pass number (1 to 3)
-vf filter_graph set video filters
-b bitrate video bitrate (please use -b:v)
-dn disable data

Advanced Video options:
-pix_fmt format set pixel format
-intra deprecated use -g 1
-vdt n discard threshold
-rc_override override rate control override for specific intervals
-sameq Removed
-same_quant Removed
-passlogfile prefix select two pass log file name prefix
-deinterlace this option is deprecated, use the yadif filter instead
-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 framerate selection
-streamid streamIndex:value set the value of an outfile streamid
-force_key_frames timestamps force key frames at specified timestamps
-vc channel deprecated, use -channel
-tvstd standard deprecated, use -standard
-vbsf video bitstream_filters deprecated
-vpre preset set the video options to the indicated preset

Audio options:
-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)
-af filter_graph set audio filters

Advanced Audio options:
-atag fourcc/tag force audio tag/fourcc
-sample_fmt format set sample format
-channel_layout layout set channel layout
-guess_layout_max set the maximum number of channels to try to guess the channel layout
-absf audio bitstream_filters deprecated
-apre preset set the audio options to the indicated preset

Subtitle options:
-s size set frame size (WxH or abbreviation)
-sn disable subtitle
-scodec codec force subtitle codec ('copy' to copy stream)
-stag fourcc/tag force subtitle tag/fourcc
-fix_sub_duration fix subtitles duration
-spre preset set the subtitle options to the indicated preset
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