@@ -40,6 +40,7 @@

 #include "libavutil/parseutils.h"

 #include "libavutil/pixdesc.h"

 #include "libavutil/pixfmt.h"

+#include "libavutil/time_internal.h"

 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\

 {\

@@ -2237,6 +2238,7 @@ loop_end:

         char type, *val;

         const char *stream_spec;

         int index = 0, j, ret = 0;

+        char now_time[256];

         val = strchr(o->metadata[i].u.str, '=');

         if (!val) {

@@ -2246,6 +2248,17 @@ loop_end:

         }

         *val++ = 0;

+        if (!strcmp(o->metadata[i].u.str, "creation_time") &&

+            !strcmp(val, "now")) {

+            time_t now = time(0);

+            struct tm *ptm, tmbuf;

+            ptm = localtime_r(&now, &tmbuf);

+            if (ptm) {

+                if (strftime(now_time, sizeof(now_time), "%Y-%m-%d %H:%M:%S", ptm))

+                    val = now_time;

+            }

+        }

+

         parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);

         if (type == 's') {

             for (j = 0; j < oc->nb_streams; j++) {