cmdutils: print if filters are sources or sinks.

12 years ago · 2b44195fc9
parent 73180f5b0e
commit 2b44195fc9
1 changed files with 4 additions and 0 deletions
--- a/cmdutils.c
+++ b/cmdutils.c
@ -1660,6 +1660,8 @@ static void show_help_filter(const char *name)
    }
    if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)
        printf("        dynamic (depending on the options)\n");
+    else if (!count)
+        printf("        none (source filter)\n");

    printf("    Outputs:\n");
    count = avfilter_pad_count(f->outputs);
@ -1669,6 +1671,8 @@ static void show_help_filter(const char *name)
    }
    if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS)
        printf("        dynamic (depending on the options)\n");
+    else if (!count)
+        printf("        none (sink filter)\n");

    if (f->priv_class)
        show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM |