X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=ffserver.c;h=d8627bd26fc9789d9278077af63040bad4c48202;hb=6fb40779cd3457a819e20d6db91a142c47cad3c2;hp=3af481ddde12d99f921d69c342fb433287a17f8f;hpb=db29a7c7c2822a2f2e9804988e279a9fe7d88c11;p=ffmpeg

diff --git a/ffserver.c b/ffserver.c
index 3af481ddde1..d8627bd26fc 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -2961,12 +2961,14 @@ static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
 {
     AVFormatContext *avc;
     AVStream *avs = NULL;
+    AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
     int i;
 
     avc =  avformat_alloc_context();
-    if (avc == NULL) {
+    if (avc == NULL || !rtp_format) {
         return -1;
     }
+    avc->oformat = rtp_format;
     av_dict_set(&avc->metadata, "title",
                stream->title[0] ? stream->title : "No Title", 0);
     avc->nb_streams = stream->nb_streams;