gif2webp: add support for reading from stdin

output to stdout is already supported; this matches [cd]webp

BUG=webp:371

Change-Id: Ib1ce1661b16ea792943bca2980f779584e90cc86
This commit is contained in:
James Zern
2018-01-25 23:22:54 -08:00
committed by Pascal Massimino
parent cf1c5054c7
commit cbde5728c8
2 changed files with 28 additions and 5 deletions

View File

@@ -1,5 +1,5 @@
.\" Hey, EMACS: -*- nroff -*-
.TH GIF2WEBP 1 "November 29, 2017"
.TH GIF2WEBP 1 "January 25, 2018"
.SH NAME
gif2webp \- Convert a GIF image to WebP
.SH SYNOPSIS
@@ -20,6 +20,12 @@ Specify the name of the output WebP file. If omitted, \fBgif2webp\fP will
perform conversion but only report statistics.
Using "\-" as output name will direct output to 'stdout'.
.TP
.BI \-\- " string
Explicitly specify the input file. This option is useful if the input
file starts with an '\-' for instance. This option must appear \fBlast\fP.
Any other options afterward will be ignored. If the input file is "\-",
the data will be read from \fIstdin\fP instead of a file.
.TP
.B \-h, \-help
Usage information.
.TP
@@ -137,6 +143,8 @@ gif2webp \-lossy \-m 3 picture.gif \-o picture_lossy.webp
gif2webp \-lossy \-f 50 picture.gif \-o picture.webp
.br
gif2webp \-q 70 \-o picture.webp \-\- \-\-\-picture.gif
.br
cat picture.gif | gif2webp \-o \- \-\- \- > output.webp
.SH AUTHORS
\fBgif2webp\fP is a part of libwebp and was written by the WebP team.