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yuvconstants check for 3 arguments and show help

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- show command line help for yuvconstants util
- fix for jpeg link on OSX with CMake

Bug: libyuv:946, libyuv:947
Change-Id: Icb11a2da376af07f0e03c1db467342b1f0d509cc
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4054461
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
This commit is contained in:
Frank Barchard 2022-11-23 19:26:21 -08:00 committed by Frank Barchard
parent f428a642e3
commit 4a3c79cb31
1 changed files with 4 additions and 3 deletions
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7
util/yuvconstants.c
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@ -43,9 +43,10 @@
// #define BR (-VR * 128 + YB)
int main(int argc, const char* argv[]) {
if (argc < 2) {
printf("yuvconstants Kr Kb\n");
printf(" MC BT KR = 0.2126; KB = 0.0722\n");
if (argc < 3) {
printf("yuvconstants [KR] [KB]\n");
printf(" e.g. yuvconstants 0.2126 0.0722\n");
printf(" MC BT KR KB\n");
printf(" 1 BT.709 KR = 0.2126; KB = 0.0722\n");
printf(" 4 FCC KR = 0.30; KB = 0.11\n");
printf(" 6 BT.601 KR = 0.299; KB = 0.114\n");