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add a -quiet option to 'dwebp'

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(useful for tests)

Change-Id: Ia07f407bc1e819a1d3cab64a02317d058733261b
This commit is contained in:
skal 2015-08-17 20:07:46 -07:00
parent 80ab3edb94
commit 41a5d99d55
3 changed files with 27 additions and 13 deletions
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1
README
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@ -279,6 +279,7 @@ Use following options to convert into alternate image formats:
-incremental . use incremental decoding (useful for tests)
-h ....... this help message
-v ....... verbose (e.g. print encoding/decoding times)
-quiet ....... quiet mode, don't print anything
-noasm ....... disable all assembly optimizations
Visualization tool:

34
examples/dwebp.c
View File

@ -555,6 +555,7 @@ static void Help(void) {
" -incremental . use incremental decoding (useful for tests)\n"
" -h ....... this help message\n"
" -v ....... verbose (e.g. print encoding/decoding times)\n"
" -quiet ....... quiet mode, don't print anything\n"
#ifndef WEBP_DLL
" -noasm ....... disable all assembly optimizations\n"
#endif
@ -569,6 +570,7 @@ int main(int argc, const char *argv[]) {
int ok = 0;
const char *in_file = NULL;
const char *out_file = NULL;
int quiet = 0;
WebPDecoderConfig config;
WebPDecBuffer* const output_buffer = &config.output;
@ -603,6 +605,8 @@ int main(int argc, const char *argv[]) {
format = BMP;
} else if (!strcmp(argv[c], "-tiff")) {
format = TIFF;
} else if (!strcmp(argv[c], "-quiet")) {
quiet = 1;
} else if (!strcmp(argv[c], "-version")) {
const int version = WebPGetDecoderVersion();
printf("%d.%d.%d\n",
@ -665,6 +669,8 @@ int main(int argc, const char *argv[]) {
return -1;
}
if (quiet) verbose = 0;
{
VP8StatusCode status = VP8_STATUS_OK;
size_t data_size = 0;
@ -721,20 +727,24 @@ int main(int argc, const char *argv[]) {
}
if (out_file != NULL) {
fprintf(stderr, "Decoded %s. Dimensions: %d x %d %s. Format: %s. "
"Now saving...\n",
in_file, output_buffer->width, output_buffer->height,
bitstream->has_alpha ? " (with alpha)" : "",
kFormatType[bitstream->format]);
if (!quiet) {
fprintf(stderr, "Decoded %s. Dimensions: %d x %d %s. Format: %s. "
"Now saving...\n",
in_file, output_buffer->width, output_buffer->height,
bitstream->has_alpha ? " (with alpha)" : "",
kFormatType[bitstream->format]);
}
ok = SaveOutput(output_buffer, format, out_file);
} else {
fprintf(stderr, "File %s can be decoded "
"(dimensions: %d x %d %s. Format: %s).\n",
in_file, output_buffer->width, output_buffer->height,
bitstream->has_alpha ? " (with alpha)" : "",
kFormatType[bitstream->format]);
fprintf(stderr, "Nothing written; "
"use -o flag to save the result as e.g. PNG.\n");
if (!quiet) {
fprintf(stderr, "File %s can be decoded "
"(dimensions: %d x %d %s. Format: %s).\n",
in_file, output_buffer->width, output_buffer->height,
bitstream->has_alpha ? " (with alpha)" : "",
kFormatType[bitstream->format]);
fprintf(stderr, "Nothing written; "
"use -o flag to save the result as e.g. PNG.\n");
}
}
Exit:
WebPFreeDecBuffer(output_buffer);

5
man/dwebp.1
View File

@ -1,5 +1,5 @@
.\" Hey, EMACS: -*- nroff -*-
.TH DWEBP 1 "August 13, 2015"
.TH DWEBP 1 "August 17, 2015"
.SH NAME
dwebp \- decompress a WebP file to an image file
.SH SYNOPSIS
@ -98,6 +98,9 @@ is applied \fIafter\fP cropping.
If either (but not both) of the \fBwidth\fP or \fBheight\fP parameters is 0,
the value will be calculated preserving the aspect-ratio.
.TP
.B \-quiet
Do not print anything.
.TP
.B \-v
Print extra information (decoding time in particular).
.TP