Document jpgtest decompress-only feature

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@292 632fc199-4ca6-4c93-a231-07263d6284db

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 1cabc2c234446843d6fabefb066e4d114f42a996..cf469ff7e599dbbb982bd331a9e2e591a9d520da 100644 (file)
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -8,6 +8,8 @@ README-turbo.txt for more details.  This feature was sponsored by CamTrace SAS.
 
 [3] TurboJPEG/OSS can now compress from/decompress to grayscale bitmaps.
 
+[4] jpgtest can now be used to test decompression performance only.
+
 
 Significant changes since 1.0.0
 ===============================

diff --git a/jpgtest.cxx b/jpgtest.cxx
index 81f8bf5db567a513576e8cd7aa593fa020587a1f..e5160d321d652e2c50161611a41a8d3efd26a66d 100644 (file)
--- a/jpgtest.cxx
+++ b/jpgtest.cxx
@@ -359,7 +359,8 @@ void dodecomptest(char *filename, BMPPIXELFORMAT pf, int bu, int useppm,
 
 void usage(char *progname)
 {
-       printf("USAGE: %s <Inputfile (BMP|PPM|JPG))> <%% Quality>\n\n", progname);
+       printf("USAGE: %s <Inputfile (BMP|PPM))> <%% Quality>\n", progname);
+       printf("       %s <Inputfile (JPG))>\n\n", progname);
        printf("       [-tile]\n");
        printf("       Test performance of the codec when the image is encoded\n");
        printf("       as separate tiles of varying sizes.\n\n");