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gif2webp: Add a multi-threaded encode option

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Change-Id: If16a5f434e0ab2965a7ac9392633ecaf8c4aff46
This commit is contained in:
Urvang Joshi 2013-12-17 17:01:59 -08:00
parent 495bef413d
commit a9a20acfa6
2 changed files with 9 additions and 1 deletions
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4
examples/gif2webp.c
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@ -230,6 +230,8 @@ static void Help(void) {
printf("copy from the input to the output if present.\n");
printf(" "
"Valid values: all, none, icc, xmp (default)\n");
printf(" -mt .................... use multi-threading if available\n");
printf("\n");
printf(" -version ............... print version number and exit.\n");
printf(" -v ..................... verbose.\n");
printf(" -quiet ................. don't print anything.\n");
@ -347,6 +349,8 @@ int main(int argc, const char *argv[]) {
}
start = token + 1;
}
} else if (!strcmp(argv[c], "-mt")) {
++config.thread_level;
} else if (!strcmp(argv[c], "-version")) {
const int enc_version = WebPGetEncoderVersion();
const int mux_version = WebPGetMuxVersion();

6
man/gif2webp.1
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@ -1,5 +1,5 @@
.\" Hey, EMACS: -*- nroff -*-
.TH GIF2WEBP 1 "December 12, 2013"
.TH GIF2WEBP 1 "December 17, 2013"
.SH NAME
gif2webp \- Convert a GIF image to WebP
.SH SYNOPSIS
@ -98,6 +98,10 @@ strength of the filtering process applied after decoding the picture. The higher
the value the smoother the picture will appear. Typical values are usually in
the range of 20 to 50.
.TP
.B \-mt
Use multi-threading for encoding, if possible. This option is only effective
when using lossy compression.
.TP
.B \-v
Print extra information.
.TP