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Diffstat (limited to 'openjpeg/doc/man/man1/opj_decompress.1')
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diff --git a/openjpeg/doc/man/man1/opj_decompress.1 b/openjpeg/doc/man/man1/opj_decompress.1 new file mode 100644 index 000000000..e07650ad3 --- /dev/null +++ b/openjpeg/doc/man/man1/opj_decompress.1 @@ -0,0 +1,119 @@ +'\" t +'\" The line above instructs most `man' programs to invoke tbl +'\" +'\" Separate paragraphs; not the same as PP which resets indent level. +.de SP +.if t .sp .5 +.if n .sp +.. +'\" +'\" Replacement em-dash for nroff (default is too short). +.ie n .ds m " - +.el .ds m \(em +'\" +'\" Placeholder macro for if longer nroff arrow is needed. +.ds RA \(-> +'\" +'\" Decimal point set slightly raised +.if t .ds d \v'-.15m'.\v'+.15m' +.if n .ds d . +'\" +'\" Enclosure macro for examples +.de EX +.SP +.nf +.ft CW +.. +.de EE +.ft R +.SP +.fi +.. +.TH opj_decompress 1 "Version 2.1.1" "opj_decompress" "converts jpeg2000 files" +.P +.SH NAME +opj_decompress \- +This program reads in a jpeg2000 image and converts it to another +image type. It is part of the OpenJPEG library. +.SP +Valid input image extensions are +.B .j2k, .jp2, .j2c, .jpt +.SP +Valid output image extensions are +.B .bmp, .pgm, .pgx, .png, .pnm, .ppm, .raw, .tga, .tif \fR. For PNG resp. TIF it needs libpng resp. libtiff . +.SH SYNOPSIS +.P +.B opj_decompress \-i \fRinfile.j2k \fB-o \fRoutfile.png +.P +.B opj_decompress \-ImgDir \fRimages/ \fB-OutFor \fRbmp +.P +.B opj_decompress \-h \fRPrint help message and exit +.P +.R See JPWL OPTIONS for special options +.SH OPTIONS +.TP +.B \-\^i "name" +(jpeg2000 input file name) +.TP +.B \-\^l "n" +n is the maximum number of quality layers to decode. See LAYERS below) +.TP +.B \-\^o "name" +(output file name with extension) +.TP +.B \-\^r "n" +(n is the highest resolution level to be discarded. See REDUCTION below) +.TP +.B \-\^x "name" +(use name as index file and fill it) +.TP +.B \-\^ImgDir "directory_name" +(directory containing input files) +.TP +.B \-\^OutFor "ext" +(extension for output files) +.P +.SH JPIP OPTIONS +Options usable only if the library has been compiled with +.B BUILD_JPIP +.TP +.B -jpip +Embed index table box into the output JP2 file (compulsory for JPIP) +.TP +.B -TP R +Partition a tile into tile parts of different resolution levels (compulsory for JPT-stream) +.P +.SH JPWL OPTIONS +Options usable only if the library has been compiled with +.B BUILD_JPWL +.TP +.B -W c\fR[=Nc] (Nc is the number of expected components in the codestream; default:3) +.TP +.B -W t\fR[=Nt] (Nt is the maximum number of tiles in the codestream; default:8192) +.TP +.B -W c\fR[=Nc]\fB, t\fR[=Nt] \fR(same as above) +.P +.SH REDUCTION +Set the number of highest resolution levels to be discarded. +The image resolution is effectively divided by 2 to the power of the number of discarded levels. The reduce factor is limited by the smallest total number of decomposition levels among tiles. +.SH TILES +Set the maximum number of quality layers to decode. If there are less quality layers than the specified number, all the quality layers are decoded. +.P +'\".SH BUGS +.SH AUTHORS +Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium +.br +Copyright (c) 2002-2014, Professor Benoit Macq +.br +Copyright (c) 2001-2003, David Janssens +.br +Copyright (c) 2002-2003, Yannick Verschueren +.br +Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe +.br +Copyright (c) 2005, Herve Drolon, FreeImage Team +.br +Copyright (c) 2006-2007, Parvatha Elangovan +.P +.SH "SEE ALSO" +opj_compress(1) opj_dump(1) |