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webpinfo: add -version option

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Change-Id: I5861d5ccd2119dd6749dc70b65fd145b5a732f98
This commit is contained in:
James Zern
2017-11-24 14:17:51 -08:00
parent 9add62b581
commit 126be10950
3 changed files with 15 additions and 5 deletions
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6
examples/webpinfo.c
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@ -1106,6 +1106,7 @@ static void HelpLong(void) {
"Note: there could be multiple input files;\n"
" options must come before input files.\n"
"Options:\n"
" -version ........... Print version number and exit.\n"
" -quiet ............. Do not show chunk parsing information.\n"
" -diag .............. Show parsing error diagnosis.\n"
" -summary ........... Show chunk stats summary.\n"
@ -1139,6 +1140,11 @@ int main(int argc, const char* argv[]) {
show_summary = 1;
} else if (!strcmp(argv[c], "-bitstream_info")) {
parse_bitstream = 1;
} else if (!strcmp(argv[c], "-version")) {
const int version = WebPGetDecoderVersion();
printf("WebP Decoder version: %d.%d.%d\n",
(version >> 16) & 0xff, (version >> 8) & 0xff, version & 0xff);
return 0;
} else { // Assume the remaining are all input files.
break;
}