@@ -91,8 +91,9 @@ static void init_packetizer(ByteIOContext *pb, uint8_t *buf, int len)

     pb->buf_end = buf + len;

 }

-void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)

+int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)

 {

+    int ret = 0;

     if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) {

         ByteIOContext pb;

         RTSPState *rt = s->priv_data;

@@ -108,11 +109,14 @@ void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)

             av_close_input_stream(rt->asf_ctx);

             rt->asf_ctx = NULL;

         }

-        av_open_input_stream(&rt->asf_ctx, &pb, "", &asf_demuxer, NULL);

+        ret = av_open_input_stream(&rt->asf_ctx, &pb, "", &asf_demuxer, NULL);

+        if (ret < 0)

+            return ret;

         rt->asf_pb_pos = url_ftell(&pb);

         av_free(buf);

         rt->asf_ctx->pb = NULL;

     }

+    return ret;

 }

 static int asfrtp_parse_sdp_line(AVFormatContext *s, int stream_index,

@@ -30,7 +30,7 @@

  *

  * @param s RTSP demux context

  */

-void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p);

+int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p);

 /**

  * Handlers for the x-asf-pf payloads (the payload ID for RTP/ASF).