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https://github.com/ahabhyde/miguelbridge
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142 lines
4.7 KiB
Plaintext
142 lines
4.7 KiB
Plaintext
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WEBPMUX(1) WEBPMUX(1)
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NAME
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webpmux - command line tool to create WebP Mux/container file.
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SYNOPSIS
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webpmux -get GET_OPTIONS INPUT -o OUTPUT
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webpmux -set SET_OPTIONS INPUT -o OUTPUT
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webpmux -strip STRIP_OPTIONS INPUT -o OUTPUT
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webpmux -frame FRAME_OPTIONS [ -frame ... ] [ -loop LOOP_COUNT ]
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[ -bgcolor BACKGROUND_COLOR ] -o OUTPUT
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webpmux -info INPUT
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webpmux [-h|-help]
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webpmux -version
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DESCRIPTION
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This manual page documents the webpmux command.
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webpmux can be used to create a WebP container file and extract/strip
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relevant data from the container file.
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OPTIONS
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GET_OPTIONS (-get):
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icc Get ICC profile.
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exif Get EXIF metadata.
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xmp Get XMP metadata.
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frame n
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Get nth frame.
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SET_OPTIONS (-set)
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icc file.icc
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Set ICC profile.
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Where: 'file.icc' contains the ICC profile to be set.
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exif file.exif
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Set EXIF metadata.
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Where: 'file.exif' contains the EXIF metadata to be set.
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xmp file.xmp
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Set XMP metadata.
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Where: 'file.xmp' contains the XMP metadata to be set.
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STRIP_OPTIONS (-strip)
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icc Strip ICC profile.
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exif Strip EXIF metadata.
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xmp Strip XMP metadata.
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FRAME_OPTIONS (-frame)
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file_i +di[+xi+yi[+mi[bi]]]
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Where: 'file_i' is the i'th frame (WebP format), 'xi','yi' spec‐
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ify the image offset for this frame, 'di' is the pause duration
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before next frame, 'mi' is the dispose method for this frame (0
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for NONE or 1 for BACKGROUND) and 'bi' is the blending method
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for this frame (+b for BLEND or -b for NO_BLEND). Argument 'bi'
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can be omitted and will default to +b (BLEND). Also, 'mi' can
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be omitted if 'bi' is omitted and will default to 0 (NONE).
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Finally, if 'mi' and 'bi' are omitted then 'xi' and 'yi' can be
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omitted and will default to +0+0.
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-loop n
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Loop the frames n number of times. 0 indicates the frames should
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loop forever. Valid range is 0 to 65535 [Default: 0 (infi‐
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nite)].
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-bgcolor A,R,G,B
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Background color of the canvas.
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where: 'A', 'R', 'G' and 'B' are integers in the range 0 to 255
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specifying the Alpha, Red, Green and Blue component values
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respectively [Default: 255,255,255,255].
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INPUT
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Input file in WebP format.
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OUTPUT (-o)
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Output file in WebP format.
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Note:
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The nature of EXIF, XMP and ICC data is not checked and is assumed to
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be valid.
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BUGS
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Please report all bugs to our issue tracker:
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http://code.google.com/p/webp/issues
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Patches welcome! See this page to get started: http://www.webmpro‐
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ject.org/code/contribute/submitting-patches/
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EXAMPLES
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webpmux -set icc image_profile.icc in.webp -o icc_container.webp
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webpmux -get icc icc_container.webp -o image_profile.icc
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webpmux -strip icc icc_container.webp -o without_icc.webp
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webpmux -set xmp image_metadata.xmp in.webp -o xmp_container.webp
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webpmux -get xmp xmp_container.webp -o image_metadata.xmp
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webpmux -strip xmp xmp_container.webp -o without_xmp.webp
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webpmux -set exif image_metadata.exif in.webp -o exif_container.webp
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webpmux -get exif exif_container.webp -o image_metadata.exif
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webpmux -strip exif exif_container.webp -o without_exif.webp
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webpmux -frame anim_1.webp +100 -frame anim_2.webp +100+50+50
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-frame anim_2.webp +100+50+50+1+b -loop 10 -bgcolor
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255,255,255,255
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-o anim_container.webp
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webpmux -get frame 2 anim_container.webp -o frame_2.webp
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webpmux -set icc image_profile.icc -o icc_container.webp --
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---in.webp
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webpmux -get icc -o image_profile.icc -- ---icc_container.webp
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webpmux -strip icc -o without_icc.webp -- ---icc_container.webp
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AUTHORS
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webpmux is written by the WebP team.
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The latest source tree is available at http://www.webmproject.org/code
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This manual page was written by Vikas Arora <vikaas.arora@gmail.com>,
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for the Debian project (and may be used by others).
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SEE ALSO
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cwebp(1), dwebp(1), gif2webp(1)
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Please refer to http://developers.google.com/speed/webp/ for additional
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information.
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December 17, 2013 WEBPMUX(1)
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