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Add preserve metadata flag #175

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Add preserve metadata flag #175

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6a6e2be
Add preserve metadata flag
Apr 4, 2017
6de4474
Merge branch 'master' into preserve-exif-flag
gtuk Aug 11, 2018
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18 changes: 11 additions & 7 deletions guetzli/guetzli.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -218,12 +218,13 @@ void Usage() {
"guetzli [flags] input_filename output_filename\n"
"\n"
"Flags:\n"
" --verbose - Print a verbose trace of all attempts to standard output.\n"
" --quality Q - Visual quality to aim for, expressed as a JPEG quality value.\n"
" Default value is %d.\n"
" --memlimit M - Memory limit in MB. Guetzli will fail if unable to stay under\n"
" the limit. Default limit is %d MB.\n"
" --nomemlimit - Do not limit memory usage.\n", kDefaultJPEGQuality, kDefaultMemlimitMB);
" --verbose - Print a verbose trace of all attempts to standard output.\n"
" --quality Q - Visual quality to aim for, expressed as a JPEG quality value.\n"
" Default value is %d.\n"
" --memlimit M - Memory limit in MB. Guetzli will fail if unable to stay under\n"
" the limit. Default limit is %d MB.\n"
" --nomemlimit - Do not limit memory usage.\n"
" --preserve-exif - Preserve exif data.\n", kDefaultJPEGQuality, kDefaultMemlimitMB);
exit(1);
}

Expand All @@ -232,6 +233,8 @@ void Usage() {
int main(int argc, char** argv) {
std::set_terminate(TerminateHandler);

guetzli::Params params;

int verbose = 0;
int quality = kDefaultJPEGQuality;
int memlimit_mb = kDefaultMemlimitMB;
Expand All @@ -254,6 +257,8 @@ int main(int argc, char** argv) {
memlimit_mb = atoi(argv[opt_idx]);
} else if (!strcmp(argv[opt_idx], "--nomemlimit")) {
memlimit_mb = -1;
} else if (!strcmp(argv[opt_idx], "--preserve-exif")) {
params.clear_metadata = false;
} else if (!strcmp(argv[opt_idx], "--")) {
opt_idx++;
break;
Expand All @@ -270,7 +275,6 @@ int main(int argc, char** argv) {
std::string in_data = ReadFileOrDie(argv[opt_idx]);
std::string out_data;

guetzli::Params params;
params.butteraugli_target = static_cast<float>(
guetzli::ButteraugliScoreForQuality(quality));

Expand Down