
Usage:
 ffcvt [flags] 

Flags:

  -t	target type: webm/x265-opus/x264-mp3/wx/youtube/copy (FFCVT_T)
  -ves	video encoding method set (FFCVT_VES)
  -aes	audio encoding method set (FFCVT_AES)
  -ses	subtitle encoding method set (FFCVT_SES)
  -vep	video encoding method prepend (FFCVT_VEP)
  -aep	audio encoding method prepend (FFCVT_AEP)
  -sep	subtitle encoding method prepend (FFCVT_SEP)
  -vea	video encoding method append (FFCVT_VEA)
  -aea	audio encoding method append (FFCVT_AEA)
  -abr	audio bitrate (64k for opus, 256k for mp3) (FFCVT_ABR)
  -crf	the CRF value: 0-51. Higher CRF gives lower quality
	 (28 for x265, ~ 23 for x264) (FFCVT_CRF)

  -d	directory that hold input files (FFCVT_D)
  -f	input file name (either -d or -f must be specified) (FFCVT_F)
  -sym	symlinks will be processed as well (FFCVT_SYM)
  -exts	extension list for all the files to be queued (FFCVT_EXTS)
  -suf	suffix to the output file names (FFCVT_SUF)
  -ext	extension for the output file (FFCVT_EXT)
  -w	work directory that hold output files (FFCVT_W)

  -ac	copy audio codec (FFCVT_AC)
  -vc	copy video codec (FFCVT_VC)
  -an	no audio, output video only (FFCVT_AN)
  -vn	no video, output audio only (FFCVT_VN)
  -vss	video: same size (FFCVT_VSS)
  -C,Cut	Cut segment(s) out to keep. Specify in the form of start-[end],
	strictly in the format of hh:mm:ss, and may repeat (FFCVT_C,CUT)
  -S,Seg	Split video into multiple segments (strictly in format: hh:mm:ss) (FFCVT_S,SEG)
  -Speed	Speed up/down video playback speed (e.g. 1.28) (FFCVT_SPEED)
  -lang	language selection for audio stream extraction (FFCVT_LANG)
  -sel	subtitle encoding language (language picked for reencoded video) (FFCVT_SEL)
  -o	more options that will pass to ffmpeg program (FFCVT_O)
  -ato-opus	audio encode to opus, using -abr (FFCVT_ATO_OPUS)
  -vto-x265	video video encode to x265, using -crf (FFCVT_VTO_X265)

  -p	par2create, create par2 files (in work directory) (FFCVT_P)
  -nc	no clobber, do not queue those already been converted (FFCVT_NC)
  -n	no exec, dry run (FFCVT_N)

  -force	overwrite any existing none-empty file (FFCVT_FORCE)
  -debug	debugging level (FFCVT_DEBUG)
  -ffmpeg	ffmpeg program executable name (FFCVT_FFMPEG)
  -ffprobe	ffprobe program execution (FFCVT_FFPROBE)
  -version	print version then exit (FFCVT_VERSION)

Details:

  -C value
    	Cut segment(s) out to keep. Specify in the form of start-[end],
    		strictly in the format of hh:mm:ss, and may repeat
  -Cut value
    	Cut segment(s) out to keep. Specify in the form of start-[end],
    		strictly in the format of hh:mm:ss, and may repeat
  -S string
    	Split video into multiple segments (strictly in format: hh:mm:ss)
  -Seg string
    	Split video into multiple segments (strictly in format: hh:mm:ss)
  -Speed string
    	Speed up/down video playback speed (e.g. 1.28)
  -abr string
    	audio bitrate (64k for opus, 256k for mp3)
  -ac
    	copy audio codec
  -aea string
    	audio encoding method append
  -aep string
    	audio encoding method prepend
  -aes string
    	audio encoding method set
  -an
    	no audio, output video only
  -ato-opus
    	audio encode to opus, using -abr
  -crf string
    	the CRF value: 0-51. Higher CRF gives lower quality
    		 (28 for x265, ~ 23 for x264)
  -d string
    	directory that hold input files
  -debug int
    	debugging level (default 1)
  -ext string
    	extension for the output file
  -exts string
    	extension list for all the files to be queued (default ".3GP.3G2.ASF.AVI.DAT.DIVX.FLV.M2TS.M4V.MKV.MOV.MPEG.MP4.MPG.RMVB.RM.TS.VOB.WEBM.WMV")
  -f string
    	input file name (either -d or -f must be specified)
  -ffmpeg string
    	ffmpeg program executable name (default "ffmpeg")
  -ffprobe string
    	ffprobe program execution (default "ffprobe -print_format flat")
  -force
    	overwrite any existing none-empty file
  -lang string
    	language selection for audio stream extraction (default "eng")
  -n	no exec, dry run
  -nc
    	no clobber, do not queue those already been converted
  -o string
    	more options that will pass to ffmpeg program
  -p	par2create, create par2 files (in work directory)
  -sel value
    	subtitle encoding language (language picked for reencoded video)
  -sep string
    	subtitle encoding method prepend
  -ses string
    	subtitle encoding method set
  -suf string
    	suffix to the output file names
  -sym
    	symlinks will be processed as well
  -t string
    	target type: webm/x265-opus/x264-mp3/wx/youtube/copy (default "webm")
  -vc
    	copy video codec
  -vea string
    	video encoding method append
  -vep string
    	video encoding method prepend
  -version
    	print version then exit
  -ves string
    	video encoding method set
  -vn
    	no video, output audio only
  -vss
    	video: same size (default true)
  -vto-x265
    	video video encode to x265, using -crf
  -w string
    	work directory that hold output files

To reduce output, use `-debug 0`, e.g., `ffcvt -force -debug 0 -f testf.mp4 ...`

== Transcoding: StreamSample.mkv
ffcvt: to execute -
  ffmpeg -i StreamSample.mkv -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/StreamSample.mkv

Org Size: 0 MB
New Size: 0 MB
Saved:    0%
] Skip symlink file: ./test1.avi
] Skip symlink file: ./test2.avi
] Skip symlink file: ./test3.webm

== Transcoding [1/1]: 'StreamSample.mkv'
   under .
] ffmpeg -i ./StreamSample.mkv -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./StreamSample_.mkv
ffcvt: to execute -
  ffmpeg -i ./StreamSample.mkv -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./StreamSample_.mkv

Org Size: 0 MB
New Size: 0 MB
Saved:    0%

== Transcoding [1/4]: 'StreamSample.mkv'
   under .
] ffmpeg -i ./StreamSample.mkv -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./StreamSample_.mkv
ffcvt: to execute -
  ffmpeg -i ./StreamSample.mkv -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./StreamSample_.mkv

== Transcoding [2/4]: 'test1.avi'
   under .
] ffmpeg -i ./test1.avi -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./test1_.mkv
ffcvt: to execute -
  ffmpeg -i ./test1.avi -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./test1_.mkv

== Transcoding [3/4]: 'test2.avi'
   under .
] ffmpeg -i ./test2.avi -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./test2_.mkv
ffcvt: to execute -
  ffmpeg -i ./test2.avi -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./test2_.mkv

== Transcoding [4/4]: 'test3.webm'
   under .
] ffmpeg -i ./test3.webm -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./test3_.mkv
ffcvt: to execute -
  ffmpeg -i ./test3.webm -c:v libx265 -x265-params crf=28 -c:a libopus -b:a 64k ./test3_.mkv

Org Size: 0 MB
New Size: 0 MB
Saved:    0%
] Skip symlink file: ./test1.avi
] Skip symlink file: ./test2.avi
] Skip symlink file: ./test3.webm

== Transcoding [1/1]: 'StreamSample.mkv'
   under .
] ffmpeg -i ./StreamSample.mkv -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./StreamSample_.mkv
ffcvt: to execute -
  ffmpeg -i ./StreamSample.mkv -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./StreamSample_.mkv

Org Size: 0 MB
New Size: 0 MB
Saved:    0%

== Transcoding [1/4]: 'StreamSample.mkv'
   under .
] ffmpeg -i ./StreamSample.mkv -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./StreamSample_.mkv
ffcvt: to execute -
  ffmpeg -i ./StreamSample.mkv -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./StreamSample_.mkv

== Transcoding [2/4]: 'test1.avi'
   under .
] ffmpeg -i ./test1.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./test1_.mkv
ffcvt: to execute -
  ffmpeg -i ./test1.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./test1_.mkv

== Transcoding [3/4]: 'test2.avi'
   under .
] ffmpeg -i ./test2.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./test2_.mkv
ffcvt: to execute -
  ffmpeg -i ./test2.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./test2_.mkv

== Transcoding [4/4]: 'test3.webm'
   under .
] ffmpeg -i ./test3.webm -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./test3_.mkv
ffcvt: to execute -
  ffmpeg -i ./test3.webm -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy ./test3_.mkv

Org Size: 0 MB
New Size: 0 MB
Saved:    0%
] Transcoding to /tmp/test

== Transcoding [1/4]: 'StreamSample.mkv'
   under .
] ffmpeg -i ./StreamSample.mkv -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/StreamSample.mkv
ffcvt: to execute -
  ffmpeg -i ./StreamSample.mkv -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/StreamSample.mkv

== Transcoding [2/4]: 'test1.avi'
   under .
] ffmpeg -i ./test1.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/test1.mkv
ffcvt: to execute -
  ffmpeg -i ./test1.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/test1.mkv

== Transcoding [3/4]: 'test2.avi'
   under .
] ffmpeg -i ./test2.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/test2.mkv
ffcvt: to execute -
  ffmpeg -i ./test2.avi -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/test2.mkv

== Transcoding [4/4]: 'test3.webm'
   under .
] ffmpeg -i ./test3.webm -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/test3.mkv
ffcvt: to execute -
  ffmpeg -i ./test3.webm -c:v libvpx-vp9 -b:v 0 -crf 42 -c:a libopus -b:a 64k -c:s copy /tmp/test/test3.mkv

Org Size: 0 MB
New Size: 0 MB
Saved:    0%
