avformat/utils: Move ff_format_set_url to avformat.c

An auxiliary function for AVFormatContexts (mainly muxers,
but potentially (e.g. rtsp) also demuxers).

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

1 files changed, 7 insertions, 0 deletions

diff --git a/libavformat/avformat.c b/libavformat/avformat.c
index eabccffcb0..414224187a 100644
--- a/libavformat/avformat.c
+++ b/libavformat/avformat.c
@@ -691,3 +691,10 @@ int ff_is_intra_only(enum AVCodecID id)
         return 0;
     return 1;
 }
+
+void ff_format_set_url(AVFormatContext *s, char *url)
+{
+    av_assert0(url);
+    av_freep(&s->url);
+    s->url = url;
+}