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-rw-r--r--options.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/options.c b/options.c
index 69ff9d5..6fd2daf 100644
--- a/options.c
+++ b/options.c
@@ -50,11 +50,12 @@ static void usage(const char *argv0, int verbose)
printf("\n");
printf("Links and formats are defined as\n");
printf("\tlink = pad, '->', pad, '[', flags, ']' ;\n");
- printf("\tformat = pad, '[', fcc, ' ', size, [ ' ', crop ], ']' ;\n");
+ printf("\tformat = pad, '[', fcc, ' ', size, [ ' ', crop ], [ ' ', '@', frame interval ], ']' ;\n");
printf("\tpad = entity, ':', pad number ;\n");
printf("\tentity = entity number | ( '\"', entity name, '\"' ) ;\n");
printf("\tsize = width, 'x', height ;\n");
printf("\tcrop = left, ',', top, '/', size ;\n");
+ printf("\tframe interval = numerator, '/', denominator ;\n");
printf("where the fields are\n");
printf("\tentity number Entity numeric identifier\n");
printf("\tentity name Entify name (string) \n");
@@ -63,6 +64,8 @@ static void usage(const char *argv0, int verbose)
printf("\tfcc Format FourCC\n");
printf("\twidth Image width in pixels\n");
printf("\theight Image height in pixels\n");
+ printf("\tnumerator Frame interval numerator\n");
+ printf("\tdenominator Frame interval denominator\n");
}
#define OPT_PRINT_DOT 256