From 6c6306f3008f2c9b20a6443ddae3fbd1cab6e848 Mon Sep 17 00:00:00 2001
From: dengjfzh <dengjfzh@gmail.com>
Date: Tue, 21 Mar 2023 15:45:59 +0800
Subject: rtsp: skip malformed RTSP interleaved frame data

Some IP cameras send malformed RTSP interleaved frames sometimes, which
can cause curl_easy_perform return 1 (CURLE_UNSUPPORTED_PROTOCOL).  This
change attempts to skip clearly incorrect RTSP interleaving frame data.

Closes #10808
---
 lib/urldata.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/urldata.h')

diff --git a/lib/urldata.h b/lib/urldata.h
index 1fc9d91ff..15b285c09 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -1362,6 +1362,9 @@ struct UrlState {
   long rtsp_next_client_CSeq; /* the session's next client CSeq */
   long rtsp_next_server_CSeq; /* the session's next server CSeq */
   long rtsp_CSeq_recv; /* most recent CSeq received */
+
+  unsigned char rtp_channel_mask[32]; /* for the correctness checking of the
+                                         interleaved data */
 #endif
 
   curl_off_t infilesize; /* size of file to upload, -1 means unknown.
-- 
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