[FFmpeg-devel] [PATCH] libavformat/segment: strftime date sub-directories

James Dutton james.dutton at gmail.com
Tue Dec 21 23:39:37 EET 2021


Automatically create sub-directories if needed based on date.
E.g.
ffmpeg ... -timelimit 2147483647 -f segment -strftime 1 -segment_time
10 "%Y/%m/%d/%Y-%m-%d_%H-%M-%S.mkv"

Signed-off-by: James Courtier-Dutton <james.dutton at gmail.com>
---
 libavformat/segment.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/libavformat/segment.c b/libavformat/segment.c
index e9b0aa4fa8..86ca243ae6 100644
--- a/libavformat/segment.c
+++ b/libavformat/segment.c
@@ -198,12 +198,27 @@ static int set_segment_filename(AVFormatContext *s)
     if (seg->use_strftime) {
         time_t now0;
         struct tm *tm, tmpbuf;
+        const char *dir;
+        char *fn_copy;
         time(&now0);
         tm = localtime_r(&now0, &tmpbuf);
         if (!strftime(buf, sizeof(buf), s->url, tm)) {
             av_log(oc, AV_LOG_ERROR, "Could not get segment filename
with strftime\n");
             return AVERROR(EINVAL);
         }
+        /* Automatically create directories if needed */
+        /* E.g. %Y/%m/%d/%Y-%m-%d_%H-%M-%S.mkv */
+        fn_copy = av_strdup(buf);
+        if (!fn_copy) {
+            return AVERROR(ENOMEM);
+        }
+        dir = av_dirname(fn_copy);
+        if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
+            av_log(oc, AV_LOG_ERROR, "Could not create directory %s
with use_localtime_mkdir\n", dir);
+            av_free(fn_copy);
+            return AVERROR(errno);
+        }
+        av_free(fn_copy);
     } else if (av_get_frame_filename(buf, sizeof(buf),
                                      s->url, seg->segment_idx) < 0) {
         av_log(oc, AV_LOG_ERROR, "Invalid segment filename template
'%s'\n", s->url);
-- 
2.25.1


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