avformat/utils: Move creation-time functions to mux_utils

Only used by muxers.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/libavformat/mux_utils.c b/libavformat/mux_utils.c
index 7b79ffd1fb..df264fc6a0 100644
--- a/libavformat/mux_utils.c
+++ b/libavformat/mux_utils.c
@@ -19,6 +19,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/dict.h"
+#include "libavutil/internal.h"
+#include "libavutil/log.h"
+#include "libavutil/mem.h"
+#include "libavutil/parseutils.h"
 #include "avformat.h"
 #include "avio.h"
 #include "internal.h"
@@ -79,3 +84,29 @@ end:
     av_free(buf);
     return ret;
 }
+
+int ff_parse_creation_time_metadata(AVFormatContext *s, int64_t *timestamp, int return_seconds)
+{
+    AVDictionaryEntry *entry;
+    int64_t parsed_timestamp;
+    int ret;
+    if ((entry = av_dict_get(s->metadata, "creation_time", NULL, 0))) {
+        if ((ret = av_parse_time(&parsed_timestamp, entry->value, 0)) >= 0) {
+            *timestamp = return_seconds ? parsed_timestamp / 1000000 : parsed_timestamp;
+            return 1;
+        } else {
+            av_log(s, AV_LOG_WARNING, "Failed to parse creation_time %s\n", entry->value);
+            return ret;
+        }
+    }
+    return 0;
+}
+
+int ff_standardize_creation_time(AVFormatContext *s)
+{
+    int64_t timestamp;
+    int ret = ff_parse_creation_time_metadata(s, &timestamp, 0);
+    if (ret == 1)
+        return avpriv_dict_set_timestamp(&s->metadata, "creation_time", timestamp);
+    return ret;
+}