lavfi/concat: accept a single segment

Simplify scripting operations, so that n=1 is not to be considered as a
special case.

diff --git a/libavfilter/avf_concat.c b/libavfilter/avf_concat.c
index 18f373c..266bb36 100644 (file)
--- a/libavfilter/avf_concat.c
+++ b/libavfilter/avf_concat.c
@@ -59,7 +59,7 @@ typedef struct {
 
 static const AVOption concat_options[] = {
     { "n", "specify the number of segments", OFFSET(nb_segments),
-      AV_OPT_TYPE_INT, { .i64 = 2 }, 2, INT_MAX, V|A|F},
+      AV_OPT_TYPE_INT, { .i64 = 2 }, 1, INT_MAX, V|A|F},
     { "v", "specify the number of video streams",
       OFFSET(nb_streams[AVMEDIA_TYPE_VIDEO]),
       AV_OPT_TYPE_INT, { .i64 = 1 }, 0, INT_MAX, V|F },