From a5ebd2d987c321e2907b560ac902b345fe5f5aad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20B=C5=93sch?= <ubitux@gmail.com>
Date: Wed, 17 Apr 2013 11:31:49 +0200
Subject: [PATCH] cmdutils: slightly better -filters output.
---
cmdutils.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/cmdutils.c b/cmdutils.c
index 2b5ba3355a..35365744a8 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -1453,7 +1453,11 @@ int show_filters(void *optctx, const char *opt, const char *arg)
int i, j;
const AVFilterPad *pad;
- printf("Filters:\n");
+ printf("Filters:\n"
+ " A = Audio input/output\n"
+ " V = Video input/output\n"
+ " N = Dynamic number and/or type of input/output\n"
+ " | = Source or sink filter\n");
#if CONFIG_AVFILTER
while ((filter = avfilter_next(filter))) {
descr_cur = descr;
@@ -1469,7 +1473,8 @@ int show_filters(void *optctx, const char *opt, const char *arg)
*(descr_cur++) = get_media_type_char(pad[j].type);
}
if (!j)
- *(descr_cur++) = '|';
+ *(descr_cur++) = ((!i && (filter->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)) ||
+ ( i && (filter->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS))) ? 'N' : '|';
}
*descr_cur = 0;
printf("%-16s %-10s %s\n", filter->name, descr, filter->description);