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swscale/tests/swscale: Add help text 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-02-14 22:43:07 +01:00
parent 6ebe4ebee3
commit ebb7dffa97
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GPG Key ID: B18E8928B3948D64
1 changed files with 20 additions and 1 deletions
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21
libswscale/tests/swscale.c
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@ -437,6 +437,25 @@ int main(int argc, char **argv)
return -1;
for (i = 1; i < argc; i += 2) {
if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "--help")) {
fprintf(stderr,
"swscale [options...]\n"
" -help\n"
" This text\n"
" -ref <file>\n"
" Uses file as reference to compae tests againsts. Tests that have become worse will contain the string worse or WORSE\n"
" -p <number between 0.0 and 1.0>\n"
" The percentage of tests or comparissions to perform. Doing all tests will take long and generate over a hundread MB text output\n"
" It is often convenient to perform a random subset\n"
" -dst <pixfmt>\n"
" Only test the specified destination pixel format\n"
" -src <pixfmt>\n"
" Only test the specified source pixel format\n"
" -cpuflags <cpuflags>\n"
" Uses the specified cpuflags in teh tests\n"
);
goto error;
}
if (argv[i][0] != '-' || i + 1 == argc)
goto bad_option;
if (!strcmp(argv[i], "-ref")) {
@ -469,7 +488,7 @@ int main(int argc, char **argv)
prob = atof(argv[i + 1]);
} else {
bad_option:
fprintf(stderr, "bad option or argument missing (%s)\n", argv[i]);
fprintf(stderr, "bad option or argument missing (%s) see -help\n", argv[i]);
goto error;
}
}