1 files changed, 22 insertions, 11 deletions

diff --git a/libavformat/rtpenc_chain.c b/libavformat/rtpenc_chain.c
index e4edfc28e1..c0f9530ac8 100644
--- a/libavformat/rtpenc_chain.c
+++ b/libavformat/rtpenc_chain.c
@@ -25,27 +25,31 @@
 #include "avio_internal.h"
 #include "libavutil/opt.h"
 
-AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
-                                       URLContext *handle, int packet_size)
+int ff_rtp_chain_mux_open(AVFormatContext **out, AVFormatContext *s,
+                          AVStream *st, URLContext *handle, int packet_size)
 {
-    AVFormatContext *rtpctx;
+    AVFormatContext *rtpctx = NULL;
     int ret;
     AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
     uint8_t *rtpflags;
     AVDictionary *opts = NULL;
 
-    if (!rtp_format)
-        return NULL;
+    if (!rtp_format) {
+        ret = AVERROR(ENOSYS);
+        goto fail;
+    }
 
     /* Allocate an AVFormatContext for each output stream */
     rtpctx = avformat_alloc_context();
-    if (!rtpctx)
-        return NULL;
+    if (!rtpctx) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
 
     rtpctx->oformat = rtp_format;
     if (!avformat_new_stream(rtpctx, NULL)) {
-        av_free(rtpctx);
-        return NULL;
+        ret = AVERROR(ENOMEM);
+        goto fail;
     }
     /* Pass the interrupt callback on */
     rtpctx->interrupt_callback = s->interrupt_callback;
@@ -79,8 +83,15 @@ AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
             av_free(ptr);
         }
         avformat_free_context(rtpctx);
-        return NULL;
+        return ret;
     }
 
-    return rtpctx;
+    *out = rtpctx;
+    return 0;
+
+fail:
+    av_free(rtpctx);
+    if (handle)
+        ffurl_close(handle);
+    return ret;
 }