[FFmpeg-devel] Patch for timestamp pattern in filename

[Matthijs Tempels]

From 15952b6cb38ac2f532a2f35d50e9dc4f8320c1c5 Mon Sep 17 00:00:00 2001
From: Matthijs Tempels <matthijs at townsville.nl>
Date: Wed, 28 Jan 2015 13:59:54 +0100
Subject: [PATCH] Added the %t option to the filename pattern to add a
 yyyyMMdd_HHmmssfff pattern to the filename

---
 libavformat/utils.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index f6df49b..b57136a 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3805,11 +3805,13 @@ int av_get_frame_filename(char *buf, int buf_size, const char *path, int number)
 {
     const char *p;
     char *q, buf1[20], c;
-    int nd, len, percentd_found;
+    int nd, len, percentd_found, percentt_found;
+    struct timeval tv;

     q = buf;
     p = path;
     percentd_found = 0;
+    percentt_found = 0;
     for (;;) {
         c = *p++;
         if (c == '\0')
@@ -3836,6 +3838,20 @@ int av_get_frame_filename(char *buf, int buf_size, const char *path, int number)
                 memcpy(q, buf1, len);
                 q += len;
                 break;
+            case 't':
+                if (percentt_found)
+                    goto fail;
+                percentt_found = 1;
+                gettimeofday(&tv, NULL);
+                int milli = tv.tv_usec / 1000;
+                strftime(buf1, sizeof(buf1), "%Y%m%d_%H%M%S", localtime(&tv.tv_sec));
+                sprintf(buf1, "%s%03d", buf1, milli);
+                len = strlen(buf1);
+                if ((q - buf + len) > buf_size - 1)
+                    goto fail;
+                memcpy(q, buf1, len);
+                q += len;
+                break;
             default:
                 goto fail;
             }
--
2.1.0