rtsp: Parse the x-Accept-Dynamic-Rate header

Signed-off-by: Martin Storsjö <martin@martin.st>

libavformat/rtsp.c

@@ -808,6 +808,9 @@ void ff_rtsp_parse_line(RTSPMessageHeader *reply, const char *buf,
         if (strstr(p, "GET_PARAMETER") &&
             method && !strcmp(method, "OPTIONS"))
             rt->get_parameter_supported = 1;
+    } else if (av_stristart(p, "x-Accept-Dynamic-Rate:", &p) && rt) {
+        p += strspn(p, SPACE_CHARS);
+        rt->accept_dynamic_rate = atoi(p);
     }
 }
 

libavformat/rtsp.h

@@ -346,6 +346,9 @@ typedef struct RTSPState {
      * Option flags for the chained RTP muxer.
      */
     int rtp_muxer_flags;
+
+    /** Whether the server accepts the x-Dynamic-Rate header */
+    int accept_dynamic_rate;
 } RTSPState;
 
 /**