@@ -872,11 +872,31 @@ int opt_protocols(const char *opt, const char *arg)

 int opt_filters(const char *opt, const char *arg)

 {

     AVFilter av_unused(**filter) = NULL;

+    char descr[64], *descr_cur;

+    int i, j;

+    const AVFilterPad *pad;

     printf("Filters:\n");

 #if CONFIG_AVFILTER

-    while ((filter = av_filter_next(filter)) && *filter)

-        printf("%-16s %s\n", (*filter)->name, (*filter)->description);

+    while ((filter = av_filter_next(filter)) && *filter) {

+        descr_cur = descr;

+        for (i = 0; i < 2; i++) {

+            if (i) {

+                *(descr_cur++) = '-';

+                *(descr_cur++) = '>';

+            }

+            pad = i ? (*filter)->outputs : (*filter)->inputs;

+            for (j = 0; pad[j].name; j++) {

+                if (descr_cur >= descr + sizeof(descr) - 4)

+                    break;

+                *(descr_cur++) = get_media_type_char(pad[j].type);

+            }

+            if (!j)

+                *(descr_cur++) = '|';

+        }

+        *descr_cur = 0;

+        printf("%-16s %-10s %s\n", (*filter)->name, descr, (*filter)->description);

+    }

 #endif

     return 0;

 }