**************************************************************************
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* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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**************************************************************************

CURLOPT_INTERLEAVEDATA - custom pointer passed to RTSP interleave callback #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_INTERLEAVEDATA, void *pointer); This is the userdata pointer that will be passed to CURLOPT_INTERLEAVEFUNCTION(3) when interleaved RTP data is received. If the interleave function callback is not set, this pointer is not used anywhere. NULL RTSP

static size_t rtp_write(void *ptr, size_t size, size_t nmemb, void *user)
{
 struct local *l = (struct local *)user;
 /* take care of the packet in 'ptr', then return... */
 return size * nmemb;
}
{
 struct local rtp_data;
 curl_easy_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
 curl_easy_setopt(curl, CURLOPT_INTERLEAVEDATA, &rtp_data);
}

Added in 7.20.0 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. CURLOPT_INTERLEAVEFUNCTION "(3), " CURLOPT_RTSP_REQUEST "(3), "