mirror of
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dust up the help message
* try to avoid trailing '.' * rationalize capitalization Change-Id: I50939baf01b1ab44d3031eee916ba51f2338af8a
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skal
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94
README
94
README
@ -140,31 +140,32 @@ A longer list of options is available using the -longhelp command line flag:
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Usage:
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cwebp [-preset <...>] [options] in_file [-o out_file]
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If input size (-s) for an image is not specified, it is assumed to be a PNG,
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JPEG, TIFF or WebP file.
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options:
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If input size (-s) for an image is not specified, it is
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assumed to be a PNG, JPEG, TIFF or WebP file.
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Options:
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-h / -help ............ short help
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-H / -longhelp ........ long help
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-q <float> ............. quality factor (0:small..100:big)
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-alpha_q <int> ......... Transparency-compression quality (0..100).
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-preset <string> ....... Preset setting, one of:
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-alpha_q <int> ......... transparency-compression quality (0..100)
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-preset <string> ....... preset setting, one of:
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default, photo, picture,
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drawing, icon, text
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-preset must come first, as it overwrites other parameters.
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-z <int> ............... Activates lossless preset with given
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-preset must come first, as it overwrites other parameters
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-z <int> ............... activates lossless preset with given
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level in [0:fast, ..., 9:slowest]
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-m <int> ............... compression method (0=fast, 6=slowest)
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-segments <int> ........ number of segments to use (1..4)
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-size <int> ............ Target size (in bytes)
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-psnr <float> .......... Target PSNR (in dB. typically: 42)
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-size <int> ............ target size (in bytes)
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-psnr <float> .......... target PSNR (in dB. typically: 42)
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-s <int> <int> ......... Input size (width x height) for YUV
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-sns <int> ............. Spatial Noise Shaping (0:off, 100:max)
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-s <int> <int> ......... input size (width x height) for YUV
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-sns <int> ............. spatial noise shaping (0:off, 100:max)
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-f <int> ............... filter strength (0=off..100)
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-sharpness <int> ....... filter sharpness (0:most .. 7:least sharp)
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-strong ................ use strong filter instead of simple (default).
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-nostrong .............. use simple filter instead of strong.
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-strong ................ use strong filter instead of simple (default)
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-nostrong .............. use simple filter instead of strong
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-partition_limit <int> . limit quality to fit the 512k limit on
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the first partition (0=no degradation ... 100=full)
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-pass <int> ............ analysis pass number (1..10)
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@ -172,41 +173,40 @@ options:
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-resize <w> <h> ........ resize picture (after any cropping)
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-mt .................... use multi-threading if available
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-low_memory ............ reduce memory usage (slower encoding)
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-map <int> ............. print map of extra info.
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-print_psnr ............ prints averaged PSNR distortion.
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-print_ssim ............ prints averaged SSIM distortion.
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-print_lsim ............ prints local-similarity distortion.
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-d <file.pgm> .......... dump the compressed output (PGM file).
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-alpha_method <int> .... Transparency-compression method (0..1)
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-alpha_filter <string> . predictive filtering for alpha plane.
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One of: none, fast (default) or best.
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-alpha_cleanup ......... Clean RGB values in transparent area.
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-blend_alpha <hex> ..... Blend colors against background color
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-map <int> ............. print map of extra info
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-print_psnr ............ prints averaged PSNR distortion
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-print_ssim ............ prints averaged SSIM distortion
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-print_lsim ............ prints local-similarity distortion
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-d <file.pgm> .......... dump the compressed output (PGM file)
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-alpha_method <int> .... transparency-compression method (0..1)
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-alpha_filter <string> . predictive filtering for alpha plane,
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one of: none, fast (default) or best
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-alpha_cleanup ......... clean RGB values in transparent area
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-blend_alpha <hex> ..... blend colors against background color
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expressed as RGB values written in
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hexadecimal, e.g. 0xc0e0d0 for red=0xc0
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green=0xe0 and blue=0xd0.
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-noalpha ............... discard any transparency information.
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-lossless .............. Encode image losslessly.
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-hint <string> ......... Specify image characteristics hint.
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One of: photo, picture or graph
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green=0xe0 and blue=0xd0
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-noalpha ............... discard any transparency information
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-lossless .............. encode image losslessly
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-hint <string> ......... specify image characteristics hint,
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one of: photo, picture or graph
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-metadata <string> ..... comma separated list of metadata to
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copy from the input to the output if present.
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Valid values: all, none (default), exif, icc, xmp
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-short ................. condense printed message
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-quiet ................. don't print anything.
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-version ............... print version number and exit.
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-noasm ................. disable all assembly optimizations.
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-quiet ................. don't print anything
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-version ............... print version number and exit
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-noasm ................. disable all assembly optimizations
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-v ..................... verbose, e.g. print encoding/decoding times
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-progress .............. report encoding progress
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Experimental Options:
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-jpeg_like ............. Roughly match expected JPEG size.
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-af .................... auto-adjust filter strength.
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-jpeg_like ............. roughly match expected JPEG size
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-af .................... auto-adjust filter strength
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-pre <int> ............. pre-processing filter
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The main options you might want to try in order to further tune the
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visual quality are:
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-preset
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@ -270,7 +270,7 @@ Use following options to convert into alternate image formats:
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-nofilter .... disable in-loop filtering
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-nodither .... disable dithering
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-dither <d> .. dithering strength (in 0..100)
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-alpha_dither use alpha-plane dithering if needed.
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-alpha_dither use alpha-plane dithering if needed
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-mt .......... use multi-threading
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-crop <x> <y> <w> <h> ... crop output with the given rectangle
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-scale <w> <h> .......... scale the output (*after* any cropping)
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@ -293,20 +293,20 @@ Usage: vwebp in_file [options]
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Decodes the WebP image file and visualize it using OpenGL
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Options are:
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-version .... print version number and exit.
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-noicc ....... don't use the icc profile if present.
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-nofancy ..... don't use the fancy YUV420 upscaler.
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-nofilter .... disable in-loop filtering.
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-dither <int> dithering strength (0..100). Default=50.
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-noalphadither disable alpha plane dithering.
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-mt .......... use multi-threading.
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-info ........ print info.
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-h ....... this help message.
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-version .... print version number and exit
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-noicc ....... don't use the icc profile if present
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-nofancy ..... don't use the fancy YUV420 upscaler
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-nofilter .... disable in-loop filtering
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-dither <int> dithering strength (0..100), default=50
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-noalphadither disable alpha plane dithering
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-mt .......... use multi-threading
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-info ........ print info
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-h ....... this help message
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Keyboard shortcuts:
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'c' ................ toggle use of color profile.
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'i' ................ overlay file information.
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'q' / 'Q' / ESC .... quit.
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'c' ................ toggle use of color profile
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'i' ................ overlay file information
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'q' / 'Q' / ESC .... quit
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Building:
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---------
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38
README.mux
38
README.mux
@ -33,35 +33,35 @@ Usage: webpmux -get GET_OPTIONS INPUT -o OUTPUT
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webpmux -version
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GET_OPTIONS:
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Extract relevant data.
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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 Get nth frame.
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Extract relevant data:
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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 get nth frame
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SET_OPTIONS:
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Set color profile/metadata.
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icc file.icc Set ICC profile.
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exif file.exif Set EXIF metadata.
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xmp file.xmp Set XMP metadata.
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Set color profile/metadata:
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icc file.icc set ICC profile
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exif file.exif set EXIF metadata
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xmp file.xmp set XMP metadata
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where: 'file.icc' contains the ICC profile to be set,
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'file.exif' contains the EXIF metadata to be set
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'file.xmp' contains the XMP metadata to be set
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STRIP_OPTIONS:
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Strip color profile/metadata.
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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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Strip color profile/metadata:
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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(i):
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Create animation.
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Create animation:
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file_i +di+[xi+yi[+mi[bi]]]
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where: 'file_i' is the i'th animation frame (WebP format),
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'di' is the pause duration before next frame.
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'xi','yi' specify the image offset for this frame.
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'mi' is the dispose method for this frame (0 or 1).
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'bi' is the blending method for this frame (+b or -b).
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'di' is the pause duration before next frame,
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'xi','yi' specify the image offset for this frame,
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'mi' is the dispose method for this frame (0 or 1),
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'bi' is the blending method for this frame (+b or -b)
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LOOP_COUNT:
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Number of times to repeat the animation.
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@ -72,7 +72,7 @@ BACKGROUND_COLOR:
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A,R,G,B
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where: 'A', 'R', 'G' and 'B' are integers in the range 0 to 255 specifying
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the Alpha, Red, Green and Blue component values respectively
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[Default: 255,255,255,255].
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[Default: 255,255,255,255]
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INPUT & OUTPUT are in WebP format.
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@ -558,37 +558,37 @@ static void HelpShort(void) {
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static void HelpLong(void) {
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printf("Usage:\n");
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printf(" cwebp [-preset <...>] [options] in_file [-o out_file]\n\n");
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printf("If input size (-s) for an image is not specified, "
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"it is assumed to be a PNG, JPEG, TIFF or WebP file.\n");
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printf("If input size (-s) for an image is not specified, it is\n"
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"assumed to be a PNG, JPEG, TIFF or WebP file.\n");
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#ifdef HAVE_WINCODEC_H
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printf("Windows builds can take as input any of the files handled by WIC\n");
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printf("Windows builds can take as input any of the files handled by WIC.\n");
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#endif
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printf("options:\n");
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printf("\nOptions:\n");
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printf(" -h / -help ............ short help\n");
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printf(" -H / -longhelp ........ long help\n");
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printf(" -q <float> ............. quality factor (0:small..100:big)\n");
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printf(" -alpha_q <int> ......... Transparency-compression quality "
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"(0..100).\n");
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printf(" -preset <string> ....... Preset setting, one of:\n");
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printf(" -alpha_q <int> ......... transparency-compression quality "
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"(0..100)\n");
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printf(" -preset <string> ....... preset setting, one of:\n");
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printf(" default, photo, picture,\n");
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printf(" drawing, icon, text\n");
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printf(" -preset must come first, as it overwrites other parameters.\n");
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printf(" -z <int> ............... Activates lossless preset with given\n"
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printf(" -preset must come first, as it overwrites other parameters\n");
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printf(" -z <int> ............... activates lossless preset with given\n"
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" level in [0:fast, ..., 9:slowest]\n");
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printf("\n");
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printf(" -m <int> ............... compression method (0=fast, 6=slowest)\n");
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printf(" -segments <int> ........ number of segments to use (1..4)\n");
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printf(" -size <int> ............ Target size (in bytes)\n");
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printf(" -psnr <float> .......... Target PSNR (in dB. typically: 42)\n");
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printf(" -size <int> ............ target size (in bytes)\n");
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printf(" -psnr <float> .......... target PSNR (in dB. typically: 42)\n");
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printf("\n");
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printf(" -s <int> <int> ......... Input size (width x height) for YUV\n");
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printf(" -sns <int> ............. Spatial Noise Shaping (0:off, 100:max)\n");
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printf(" -s <int> <int> ......... input size (width x height) for YUV\n");
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printf(" -sns <int> ............. spatial noise shaping (0:off, 100:max)\n");
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printf(" -f <int> ............... filter strength (0=off..100)\n");
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printf(" -sharpness <int> ....... "
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"filter sharpness (0:most .. 7:least sharp)\n");
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printf(" -strong ................ use strong filter instead "
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"of simple (default).\n");
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printf(" -nostrong .............. use simple filter instead of strong.\n");
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"of simple (default)\n");
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printf(" -nostrong .............. use simple filter instead of strong\n");
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printf(" -partition_limit <int> . limit quality to fit the 512k limit on\n");
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printf(" "
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"the first partition (0=no degradation ... 100=full)\n");
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@ -598,25 +598,25 @@ static void HelpLong(void) {
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printf(" -mt .................... use multi-threading if available\n");
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printf(" -low_memory ............ reduce memory usage (slower encoding)\n");
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#ifdef WEBP_EXPERIMENTAL_FEATURES
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printf(" -444 / -422 / -gray ..... Change colorspace\n");
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printf(" -444 / -422 / -gray .... change colorspace\n");
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#endif
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printf(" -map <int> ............. print map of extra info.\n");
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printf(" -print_psnr ............ prints averaged PSNR distortion.\n");
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printf(" -print_ssim ............ prints averaged SSIM distortion.\n");
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printf(" -print_lsim ............ prints local-similarity distortion.\n");
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printf(" -d <file.pgm> .......... dump the compressed output (PGM file).\n");
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printf(" -alpha_method <int> .... Transparency-compression method (0..1)\n");
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printf(" -alpha_filter <string> . predictive filtering for alpha plane.\n");
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printf(" One of: none, fast (default) or best.\n");
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printf(" -alpha_cleanup ......... Clean RGB values in transparent area.\n");
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printf(" -blend_alpha <hex> ..... Blend colors against background color\n"
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printf(" -map <int> ............. print map of extra info\n");
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printf(" -print_psnr ............ prints averaged PSNR distortion\n");
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printf(" -print_ssim ............ prints averaged SSIM distortion\n");
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printf(" -print_lsim ............ prints local-similarity distortion\n");
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printf(" -d <file.pgm> .......... dump the compressed output (PGM file)\n");
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printf(" -alpha_method <int> .... transparency-compression method (0..1)\n");
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printf(" -alpha_filter <string> . predictive filtering for alpha plane,\n");
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printf(" one of: none, fast (default) or best\n");
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printf(" -alpha_cleanup ......... clean RGB values in transparent area\n");
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printf(" -blend_alpha <hex> ..... blend colors against background color\n"
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" expressed as RGB values written in\n"
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" hexadecimal, e.g. 0xc0e0d0 for red=0xc0\n"
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" green=0xe0 and blue=0xd0.\n");
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printf(" -noalpha ............... discard any transparency information.\n");
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printf(" -lossless .............. Encode image losslessly.\n");
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printf(" -hint <string> ......... Specify image characteristics hint.\n");
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printf(" One of: photo, picture or graph\n");
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" green=0xe0 and blue=0xd0\n");
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printf(" -noalpha ............... discard any transparency information\n");
|
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printf(" -lossless .............. encode image losslessly\n");
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printf(" -hint <string> ......... specify image characteristics hint,\n");
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printf(" one of: photo, picture or graph\n");
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printf("\n");
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printf(" -metadata <string> ..... comma separated list of metadata to\n");
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@ -627,18 +627,18 @@ static void HelpLong(void) {
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printf("\n");
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printf(" -short ................. condense printed message\n");
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printf(" -quiet ................. don't print anything.\n");
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printf(" -version ............... print version number and exit.\n");
|
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printf(" -quiet ................. don't print anything\n");
|
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printf(" -version ............... print version number and exit\n");
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#ifndef WEBP_DLL
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printf(" -noasm ................. disable all assembly optimizations.\n");
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printf(" -noasm ................. disable all assembly optimizations\n");
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#endif
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printf(" -v ..................... verbose, e.g. print encoding/decoding "
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"times\n");
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printf(" -progress .............. report encoding progress\n");
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printf("\n");
|
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printf("Experimental Options:\n");
|
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printf(" -jpeg_like ............. Roughly match expected JPEG size.\n");
|
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printf(" -af .................... auto-adjust filter strength.\n");
|
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printf(" -jpeg_like ............. roughly match expected JPEG size\n");
|
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printf(" -af .................... auto-adjust filter strength\n");
|
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printf(" -pre <int> ............. pre-processing filter\n");
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printf("\n");
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}
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@ -557,7 +557,7 @@ static void Help(void) {
|
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" -nofilter .... disable in-loop filtering\n"
|
||||
" -nodither .... disable dithering\n"
|
||||
" -dither <d> .. dithering strength (in 0..100)\n"
|
||||
" -alpha_dither use alpha-plane dithering if needed.\n"
|
||||
" -alpha_dither use alpha-plane dithering if needed\n"
|
||||
" -mt .......... use multi-threading\n"
|
||||
" -crop <x> <y> <w> <h> ... crop output with the given rectangle\n"
|
||||
" -scale <w> <h> .......... scale the output (*after* any cropping)\n"
|
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|
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@ -372,20 +372,20 @@ static void Help(void) {
|
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printf("Usage: vwebp in_file [options]\n\n"
|
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"Decodes the WebP image file and visualize it using OpenGL\n"
|
||||
"Options are:\n"
|
||||
" -version .... print version number and exit.\n"
|
||||
" -noicc ....... don't use the icc profile if present.\n"
|
||||
" -nofancy ..... don't use the fancy YUV420 upscaler.\n"
|
||||
" -nofilter .... disable in-loop filtering.\n"
|
||||
" -dither <int> dithering strength (0..100). Default=50.\n"
|
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" -noalphadither disable alpha plane dithering.\n"
|
||||
" -mt .......... use multi-threading.\n"
|
||||
" -info ........ print info.\n"
|
||||
" -h ....... this help message.\n"
|
||||
" -version .... print version number and exit\n"
|
||||
" -noicc ....... don't use the icc profile if present\n"
|
||||
" -nofancy ..... don't use the fancy YUV420 upscaler\n"
|
||||
" -nofilter .... disable in-loop filtering\n"
|
||||
" -dither <int> dithering strength (0..100), default=50\n"
|
||||
" -noalphadither disable alpha plane dithering\n"
|
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" -mt .......... use multi-threading\n"
|
||||
" -info ........ print info\n"
|
||||
" -h ....... this help message\n"
|
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"\n"
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"Keyboard shortcuts:\n"
|
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" 'c' ................ toggle use of color profile.\n"
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||||
" 'i' ................ overlay file information.\n"
|
||||
" 'q' / 'Q' / ESC .... quit.\n"
|
||||
" 'c' ................ toggle use of color profile\n"
|
||||
" 'i' ................ overlay file information\n"
|
||||
" 'q' / 'Q' / ESC .... quit\n"
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
@ -303,51 +303,51 @@ static void PrintHelp(void) {
|
||||
|
||||
printf("\n");
|
||||
printf("GET_OPTIONS:\n");
|
||||
printf(" Extract relevant data.\n");
|
||||
printf(" icc Get ICC profile.\n");
|
||||
printf(" exif Get EXIF metadata.\n");
|
||||
printf(" xmp Get XMP metadata.\n");
|
||||
printf(" Extract relevant data:\n");
|
||||
printf(" icc get ICC profile\n");
|
||||
printf(" exif get EXIF metadata\n");
|
||||
printf(" xmp get XMP metadata\n");
|
||||
#ifdef WEBP_EXPERIMENTAL_FEATURES
|
||||
printf(" frgm n Get nth fragment.\n");
|
||||
printf(" frgm n get nth fragment\n");
|
||||
#endif
|
||||
printf(" frame n Get nth frame.\n");
|
||||
printf(" frame n get nth frame\n");
|
||||
|
||||
printf("\n");
|
||||
printf("SET_OPTIONS:\n");
|
||||
printf(" Set color profile/metadata.\n");
|
||||
printf(" icc file.icc Set ICC profile.\n");
|
||||
printf(" exif file.exif Set EXIF metadata.\n");
|
||||
printf(" xmp file.xmp Set XMP metadata.\n");
|
||||
printf(" Set color profile/metadata:\n");
|
||||
printf(" icc file.icc set ICC profile\n");
|
||||
printf(" exif file.exif set EXIF metadata\n");
|
||||
printf(" xmp file.xmp set XMP metadata\n");
|
||||
printf(" where: 'file.icc' contains the ICC profile to be set,\n");
|
||||
printf(" 'file.exif' contains the EXIF metadata to be set\n");
|
||||
printf(" 'file.xmp' contains the XMP metadata to be set\n");
|
||||
|
||||
printf("\n");
|
||||
printf("STRIP_OPTIONS:\n");
|
||||
printf(" Strip color profile/metadata.\n");
|
||||
printf(" icc Strip ICC profile.\n");
|
||||
printf(" exif Strip EXIF metadata.\n");
|
||||
printf(" xmp Strip XMP metadata.\n");
|
||||
printf(" Strip color profile/metadata:\n");
|
||||
printf(" icc strip ICC profile\n");
|
||||
printf(" exif strip EXIF metadata\n");
|
||||
printf(" xmp strip XMP metadata\n");
|
||||
|
||||
#ifdef WEBP_EXPERIMENTAL_FEATURES
|
||||
printf("\n");
|
||||
printf("FRAGMENT_OPTIONS(i):\n");
|
||||
printf(" Create fragmented image.\n");
|
||||
printf(" Create fragmented image:\n");
|
||||
printf(" file_i +xi+yi\n");
|
||||
printf(" where: 'file_i' is the i'th fragment (WebP format),\n");
|
||||
printf(" 'xi','yi' specify the image offset for this fragment."
|
||||
printf(" 'xi','yi' specify the image offset for this fragment"
|
||||
"\n");
|
||||
#endif
|
||||
|
||||
printf("\n");
|
||||
printf("FRAME_OPTIONS(i):\n");
|
||||
printf(" Create animation.\n");
|
||||
printf(" Create animation:\n");
|
||||
printf(" file_i +di+[xi+yi[+mi[bi]]]\n");
|
||||
printf(" where: 'file_i' is the i'th animation frame (WebP format),\n");
|
||||
printf(" 'di' is the pause duration before next frame.\n");
|
||||
printf(" 'xi','yi' specify the image offset for this frame.\n");
|
||||
printf(" 'mi' is the dispose method for this frame (0 or 1).\n");
|
||||
printf(" 'bi' is the blending method for this frame (+b or -b)."
|
||||
printf(" 'di' is the pause duration before next frame,\n");
|
||||
printf(" 'xi','yi' specify the image offset for this frame,\n");
|
||||
printf(" 'mi' is the dispose method for this frame (0 or 1),\n");
|
||||
printf(" 'bi' is the blending method for this frame (+b or -b)"
|
||||
"\n");
|
||||
|
||||
printf("\n");
|
||||
@ -363,7 +363,7 @@ static void PrintHelp(void) {
|
||||
"specifying\n");
|
||||
printf(" the Alpha, Red, Green and Blue component values "
|
||||
"respectively\n");
|
||||
printf(" [Default: 255,255,255,255].\n");
|
||||
printf(" [Default: 255,255,255,255]\n");
|
||||
|
||||
printf("\nINPUT & OUTPUT are in WebP format.\n");
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user