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Merge "dust up the help message"

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James Zern 2014-06-19 23:12:02 -07:00 committed by Gerrit Code Review
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94
README
View File

@ -140,31 +140,32 @@ A longer list of options is available using the -longhelp command line flag:
Usage:
cwebp [-preset <...>] [options] in_file [-o out_file]
If input size (-s) for an image is not specified, it is assumed to be a PNG,
JPEG, TIFF or WebP file.
options:
If input size (-s) for an image is not specified, it is
assumed to be a PNG, JPEG, TIFF or WebP file.
Options:
-h / -help ............ short help
-H / -longhelp ........ long help
-q <float> ............. quality factor (0:small..100:big)
-alpha_q <int> ......... Transparency-compression quality (0..100).
-preset <string> ....... Preset setting, one of:
-alpha_q <int> ......... transparency-compression quality (0..100)
-preset <string> ....... preset setting, one of:
default, photo, picture,
drawing, icon, text
-preset must come first, as it overwrites other parameters.
-z <int> ............... Activates lossless preset with given
-preset must come first, as it overwrites other parameters
-z <int> ............... activates lossless preset with given
level in [0:fast, ..., 9:slowest]
-m <int> ............... compression method (0=fast, 6=slowest)
-segments <int> ........ number of segments to use (1..4)
-size <int> ............ Target size (in bytes)
-psnr <float> .......... Target PSNR (in dB. typically: 42)
-size <int> ............ target size (in bytes)
-psnr <float> .......... target PSNR (in dB. typically: 42)
-s <int> <int> ......... Input size (width x height) for YUV
-sns <int> ............. Spatial Noise Shaping (0:off, 100:max)
-s <int> <int> ......... input size (width x height) for YUV
-sns <int> ............. spatial noise shaping (0:off, 100:max)
-f <int> ............... filter strength (0=off..100)
-sharpness <int> ....... filter sharpness (0:most .. 7:least sharp)
-strong ................ use strong filter instead of simple (default).
-nostrong .............. use simple filter instead of strong.
-strong ................ use strong filter instead of simple (default)
-nostrong .............. use simple filter instead of strong
-partition_limit <int> . limit quality to fit the 512k limit on
the first partition (0=no degradation ... 100=full)
-pass <int> ............ analysis pass number (1..10)
@ -172,41 +173,40 @@ options:
-resize <w> <h> ........ resize picture (after any cropping)
-mt .................... use multi-threading if available
-low_memory ............ reduce memory usage (slower encoding)
-map <int> ............. print map of extra info.
-print_psnr ............ prints averaged PSNR distortion.
-print_ssim ............ prints averaged SSIM distortion.
-print_lsim ............ prints local-similarity distortion.
-d <file.pgm> .......... dump the compressed output (PGM file).
-alpha_method <int> .... Transparency-compression method (0..1)
-alpha_filter <string> . predictive filtering for alpha plane.
One of: none, fast (default) or best.
-alpha_cleanup ......... Clean RGB values in transparent area.
-blend_alpha <hex> ..... Blend colors against background color
-map <int> ............. print map of extra info
-print_psnr ............ prints averaged PSNR distortion
-print_ssim ............ prints averaged SSIM distortion
-print_lsim ............ prints local-similarity distortion
-d <file.pgm> .......... dump the compressed output (PGM file)
-alpha_method <int> .... transparency-compression method (0..1)
-alpha_filter <string> . predictive filtering for alpha plane,
one of: none, fast (default) or best
-alpha_cleanup ......... clean RGB values in transparent area
-blend_alpha <hex> ..... blend colors against background color
expressed as RGB values written in
hexadecimal, e.g. 0xc0e0d0 for red=0xc0
green=0xe0 and blue=0xd0.
-noalpha ............... discard any transparency information.
-lossless .............. Encode image losslessly.
-hint <string> ......... Specify image characteristics hint.
One of: photo, picture or graph
green=0xe0 and blue=0xd0
-noalpha ............... discard any transparency information
-lossless .............. encode image losslessly
-hint <string> ......... specify image characteristics hint,
one of: photo, picture or graph
-metadata <string> ..... comma separated list of metadata to
copy from the input to the output if present.
Valid values: all, none (default), exif, icc, xmp
-short ................. condense printed message
-quiet ................. don't print anything.
-version ............... print version number and exit.
-noasm ................. disable all assembly optimizations.
-quiet ................. don't print anything
-version ............... print version number and exit
-noasm ................. disable all assembly optimizations
-v ..................... verbose, e.g. print encoding/decoding times
-progress .............. report encoding progress
Experimental Options:
-jpeg_like ............. Roughly match expected JPEG size.
-af .................... auto-adjust filter strength.
-jpeg_like ............. roughly match expected JPEG size
-af .................... auto-adjust filter strength
-pre <int> ............. pre-processing filter
The main options you might want to try in order to further tune the
visual quality are:
-preset
@ -270,7 +270,7 @@ Use following options to convert into alternate image formats:
-nofilter .... disable in-loop filtering
-nodither .... disable dithering
-dither <d> .. dithering strength (in 0..100)
-alpha_dither use alpha-plane dithering if needed.
-alpha_dither use alpha-plane dithering if needed
-mt .......... use multi-threading
-crop <x> <y> <w> <h> ... crop output with the given rectangle
-scale <w> <h> .......... scale the output (*after* any cropping)
@ -293,20 +293,20 @@ Usage: vwebp in_file [options]
Decodes the WebP image file and visualize it using OpenGL
Options are:
-version .... print version number and exit.
-noicc ....... don't use the icc profile if present.
-nofancy ..... don't use the fancy YUV420 upscaler.
-nofilter .... disable in-loop filtering.
-dither <int> dithering strength (0..100). Default=50.
-noalphadither disable alpha plane dithering.
-mt .......... use multi-threading.
-info ........ print info.
-h ....... this help message.
-version .... print version number and exit
-noicc ....... don't use the icc profile if present
-nofancy ..... don't use the fancy YUV420 upscaler
-nofilter .... disable in-loop filtering
-dither <int> dithering strength (0..100), default=50
-noalphadither disable alpha plane dithering
-mt .......... use multi-threading
-info ........ print info
-h ....... this help message
Keyboard shortcuts:
'c' ................ toggle use of color profile.
'i' ................ overlay file information.
'q' / 'Q' / ESC .... quit.
'c' ................ toggle use of color profile
'i' ................ overlay file information
'q' / 'Q' / ESC .... quit
Building:
---------

38
README.mux
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@ -33,35 +33,35 @@ Usage: webpmux -get GET_OPTIONS INPUT -o OUTPUT
webpmux -version
GET_OPTIONS:
Extract relevant data.
icc Get ICC profile.
exif Get EXIF metadata.
xmp Get XMP metadata.
frame n Get nth frame.
Extract relevant data:
icc get ICC profile
exif get EXIF metadata
xmp get XMP metadata
frame n get nth frame
SET_OPTIONS:
Set color profile/metadata.
icc file.icc Set ICC profile.
exif file.exif Set EXIF metadata.
xmp file.xmp Set XMP metadata.
Set color profile/metadata:
icc file.icc set ICC profile
exif file.exif set EXIF metadata
xmp file.xmp set XMP metadata
where: 'file.icc' contains the ICC profile to be set,
'file.exif' contains the EXIF metadata to be set
'file.xmp' contains the XMP metadata to be set
STRIP_OPTIONS:
Strip color profile/metadata.
icc Strip ICC profile.
exif Strip EXIF metadata.
xmp Strip XMP metadata.
Strip color profile/metadata:
icc strip ICC profile
exif strip EXIF metadata
xmp strip XMP metadata
FRAME_OPTIONS(i):
Create animation.
Create animation:
file_i +di+[xi+yi[+mi[bi]]]
where: 'file_i' is the i'th animation frame (WebP format),
'di' is the pause duration before next frame.
'xi','yi' specify the image offset for this frame.
'mi' is the dispose method for this frame (0 or 1).
'bi' is the blending method for this frame (+b or -b).
'di' is the pause duration before next frame,
'xi','yi' specify the image offset for this frame,
'mi' is the dispose method for this frame (0 or 1),
'bi' is the blending method for this frame (+b or -b)
LOOP_COUNT:
Number of times to repeat the animation.
@ -72,7 +72,7 @@ BACKGROUND_COLOR:
A,R,G,B
where: 'A', 'R', 'G' and 'B' are integers in the range 0 to 255 specifying
the Alpha, Red, Green and Blue component values respectively
[Default: 255,255,255,255].
[Default: 255,255,255,255]
INPUT & OUTPUT are in WebP format.

72
examples/cwebp.c
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@ -558,37 +558,37 @@ static void HelpShort(void) {
static void HelpLong(void) {
printf("Usage:\n");
printf(" cwebp [-preset <...>] [options] in_file [-o out_file]\n\n");
printf("If input size (-s) for an image is not specified, "
"it is assumed to be a PNG, JPEG, TIFF or WebP file.\n");
printf("If input size (-s) for an image is not specified, it is\n"
"assumed to be a PNG, JPEG, TIFF or WebP file.\n");
#ifdef HAVE_WINCODEC_H
printf("Windows builds can take as input any of the files handled by WIC\n");
printf("Windows builds can take as input any of the files handled by WIC.\n");
#endif
printf("options:\n");
printf("\nOptions:\n");
printf(" -h / -help ............ short help\n");
printf(" -H / -longhelp ........ long help\n");
printf(" -q <float> ............. quality factor (0:small..100:big)\n");
printf(" -alpha_q <int> ......... Transparency-compression quality "
"(0..100).\n");
printf(" -preset <string> ....... Preset setting, one of:\n");
printf(" -alpha_q <int> ......... transparency-compression quality "
"(0..100)\n");
printf(" -preset <string> ....... preset setting, one of:\n");
printf(" default, photo, picture,\n");
printf(" drawing, icon, text\n");
printf(" -preset must come first, as it overwrites other parameters.\n");
printf(" -z <int> ............... Activates lossless preset with given\n"
printf(" -preset must come first, as it overwrites other parameters\n");
printf(" -z <int> ............... activates lossless preset with given\n"
" level in [0:fast, ..., 9:slowest]\n");
printf("\n");
printf(" -m <int> ............... compression method (0=fast, 6=slowest)\n");
printf(" -segments <int> ........ number of segments to use (1..4)\n");
printf(" -size <int> ............ Target size (in bytes)\n");
printf(" -psnr <float> .......... Target PSNR (in dB. typically: 42)\n");
printf(" -size <int> ............ target size (in bytes)\n");
printf(" -psnr <float> .......... target PSNR (in dB. typically: 42)\n");
printf("\n");
printf(" -s <int> <int> ......... Input size (width x height) for YUV\n");
printf(" -sns <int> ............. Spatial Noise Shaping (0:off, 100:max)\n");
printf(" -s <int> <int> ......... input size (width x height) for YUV\n");
printf(" -sns <int> ............. spatial noise shaping (0:off, 100:max)\n");
printf(" -f <int> ............... filter strength (0=off..100)\n");
printf(" -sharpness <int> ....... "
"filter sharpness (0:most .. 7:least sharp)\n");
printf(" -strong ................ use strong filter instead "
"of simple (default).\n");
printf(" -nostrong .............. use simple filter instead of strong.\n");
"of simple (default)\n");
printf(" -nostrong .............. use simple filter instead of strong\n");
printf(" -partition_limit <int> . limit quality to fit the 512k limit on\n");
printf(" "
"the first partition (0=no degradation ... 100=full)\n");
@ -598,25 +598,25 @@ static void HelpLong(void) {
printf(" -mt .................... use multi-threading if available\n");
printf(" -low_memory ............ reduce memory usage (slower encoding)\n");
#ifdef WEBP_EXPERIMENTAL_FEATURES
printf(" -444 / -422 / -gray ..... Change colorspace\n");
printf(" -444 / -422 / -gray .... change colorspace\n");
#endif
printf(" -map <int> ............. print map of extra info.\n");
printf(" -print_psnr ............ prints averaged PSNR distortion.\n");
printf(" -print_ssim ............ prints averaged SSIM distortion.\n");
printf(" -print_lsim ............ prints local-similarity distortion.\n");
printf(" -d <file.pgm> .......... dump the compressed output (PGM file).\n");
printf(" -alpha_method <int> .... Transparency-compression method (0..1)\n");
printf(" -alpha_filter <string> . predictive filtering for alpha plane.\n");
printf(" One of: none, fast (default) or best.\n");
printf(" -alpha_cleanup ......... Clean RGB values in transparent area.\n");
printf(" -blend_alpha <hex> ..... Blend colors against background color\n"
printf(" -map <int> ............. print map of extra info\n");
printf(" -print_psnr ............ prints averaged PSNR distortion\n");
printf(" -print_ssim ............ prints averaged SSIM distortion\n");
printf(" -print_lsim ............ prints local-similarity distortion\n");
printf(" -d <file.pgm> .......... dump the compressed output (PGM file)\n");
printf(" -alpha_method <int> .... transparency-compression method (0..1)\n");
printf(" -alpha_filter <string> . predictive filtering for alpha plane,\n");
printf(" one of: none, fast (default) or best\n");
printf(" -alpha_cleanup ......... clean RGB values in transparent area\n");
printf(" -blend_alpha <hex> ..... blend colors against background color\n"
" expressed as RGB values written in\n"
" hexadecimal, e.g. 0xc0e0d0 for red=0xc0\n"
" green=0xe0 and blue=0xd0.\n");
printf(" -noalpha ............... discard any transparency information.\n");
printf(" -lossless .............. Encode image losslessly.\n");
printf(" -hint <string> ......... Specify image characteristics hint.\n");
printf(" One of: photo, picture or graph\n");
" green=0xe0 and blue=0xd0\n");
printf(" -noalpha ............... discard any transparency information\n");
printf(" -lossless .............. encode image losslessly\n");
printf(" -hint <string> ......... specify image characteristics hint,\n");
printf(" one of: photo, picture or graph\n");
printf("\n");
printf(" -metadata <string> ..... comma separated list of metadata to\n");
@ -627,18 +627,18 @@ static void HelpLong(void) {
printf("\n");
printf(" -short ................. condense printed message\n");
printf(" -quiet ................. don't print anything.\n");
printf(" -version ............... print version number and exit.\n");
printf(" -quiet ................. don't print anything\n");
printf(" -version ............... print version number and exit\n");
#ifndef WEBP_DLL
printf(" -noasm ................. disable all assembly optimizations.\n");
printf(" -noasm ................. disable all assembly optimizations\n");
#endif
printf(" -v ..................... verbose, e.g. print encoding/decoding "
"times\n");
printf(" -progress .............. report encoding progress\n");
printf("\n");
printf("Experimental Options:\n");
printf(" -jpeg_like ............. Roughly match expected JPEG size.\n");
printf(" -af .................... auto-adjust filter strength.\n");
printf(" -jpeg_like ............. roughly match expected JPEG size\n");
printf(" -af .................... auto-adjust filter strength\n");
printf(" -pre <int> ............. pre-processing filter\n");
printf("\n");
}

2
examples/dwebp.c
View File

@ -557,7 +557,7 @@ static void Help(void) {
" -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"

24
examples/vwebp.c
View File

@ -372,20 +372,20 @@ static void Help(void) {
printf("Usage: vwebp in_file [options]\n\n"
"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"
" -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"
" -mt .......... use multi-threading\n"
" -info ........ print info\n"
" -h ....... this help message\n"
"\n"
"Keyboard shortcuts:\n"
" 'c' ................ toggle use of color profile.\n"
" '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"
);
}

44
examples/webpmux.c
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@ -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");