flvdec: Do not call parse_keyframes_index with a NULL stream

[ffmpeg] / libavformat / rtp.c

diff --git a/libavformat/rtp.c b/libavformat/rtp.c
index 4be845a06c0c4e6b20f3a13ef27e6775b20c78f7..b6b4b72aa313020803fc24c535d74a9d0a7f80a8 100644 (file)
--- a/libavformat/rtp.c
+++ b/libavformat/rtp.c
@@ -98,7 +98,8 @@ int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec)
     /* Was the payload type already specified for the RTP muxer? */
     if (ofmt && ofmt->priv_class) {
         int64_t payload_type;
-        if (av_opt_get_int(fmt->priv_data, "payload_type", 0, &payload_type) >= 0)
+        if (av_opt_get_int(fmt->priv_data, "payload_type", 0, &payload_type) >= 0 &&
+            payload_type >= 0)
             return (int)payload_type;
     }