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idleencoder.js
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check format
cut vidoe
command
FAQ
Video
MP4
WebM
AVI(Xvid)
WMV
animated GIF
Audio
AAC
MP3
Device
PlayStation3


Convert to WebM

Description is displayed when the mouse cursor.

Video Codec 

VP8 VP9 copy

Video quality 

quality crf

Specify a value of 63 - 0. Quality, the higher the number is less

Target bitratebps
qmin(option)
qmax(option)
bit rate target bitratebps
min bitratebps
max bitratebps

speed(deadline)

size (-s) 
If you need custom size,
select custom in list.


width px
height px

crop(-vf) 

width px
height px
left side position px
top size position px

frame(-r) 

fps

Audio Codec 

vorbis copy

Audio quality 

quality
bitrate

Cut 

type 1

: : start time
: : end time

type 2

start time(sec) -ss
duration (sec) -t



       


VP8 other option

https://sites.google.com/a/webmproject.org/wiki/ffmpeg