.\" ************************************************************************** .\" * _ _ ____ _ .\" * Project ___| | | | _ \| | .\" * / __| | | | |_) | | .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * .\" * Copyright (C) Daniel Stenberg, , et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms .\" * are also available at https://curl.se/docs/copyright.html. .\" * .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell .\" * copies of the Software, and permit persons to whom the Software is .\" * furnished to do so, under the terms of the COPYING file. .\" * .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY .\" * KIND, either express or implied. .\" * .\" * SPDX-License-Identifier: curl .\" * .\" ************************************************************************** .\" .TH CURLOPT_INTERLEAVEDATA 3 "December 04, 2023" "ibcurl 8.5.0" libcurl .SH NAME CURLOPT_INTERLEAVEDATA \- pointer passed to RTSP interleave callback .SH SYNOPSIS .nf #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_INTERLEAVEDATA, void *pointer); .fi .SH DESCRIPTION This is the userdata \fIpointer\fP that is passed to \fICURLOPT_INTERLEAVEFUNCTION(3)\fP when interleaved RTP data is received. If the interleave function callback is not set, this pointer is not used anywhere. .SH DEFAULT NULL .SH PROTOCOLS RTSP .SH EXAMPLE .nf struct local { void *custom; }; static size_t rtp_write(void *ptr, size_t size, size_t nmemb, void *userp) { struct local *l = userp; printf("my pointer: %p\\n", l->custom); /* take care of the packet in 'ptr', then return... */ return size * nmemb; } int main(void) { struct local rtp_data; CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write); curl_easy_setopt(curl, CURLOPT_INTERLEAVEDATA, &rtp_data); curl_easy_perform(curl); } } .fi .SH AVAILABILITY Added in 7.20.0 .SH RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. .SH "SEE ALSO" .BR CURLOPT_INTERLEAVEFUNCTION (3), .BR CURLOPT_RTSP_REQUEST (3)