lavd/caca: extend error message for -list_dither option

13 years ago · 295e0e4b4f
parent 2fd880449a
commit 295e0e4b4f
1 changed files with 2 additions and 1 deletions
--- a/libavdevice/caca.c
+++ b/libavdevice/caca.c
@ -102,7 +102,8 @@ static int caca_write_header(AVFormatContext *s)
            list_dither_antialias(c);
        } else {
            av_log(s, AV_LOG_ERROR,
-                   "Invalid value '%s', for 'list_dither' option\n",
+                   "Invalid argument '%s', for 'list_dither' option\n"
+                   "Argument must be one of 'algorithms, 'antialiases', 'charsets', 'colors'\n",
                   c->list_dither);
            return AVERROR(EINVAL);
        }