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CURLOPT_INTERLEAVEDATA(3) Library Functions Manual CURLOPT_INTERLEAVEDATA(3) NAME CURLOPT_INTERLEAVEDATA - pointer passed to RTSP interleave callback SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_INTERLEAVEDATA, void *pointer); DESCRIPTION This is the userdata pointer that is passed to CURLOPT_INTERLEAVEFUNC- TION(3) when interleaved RTP data is received. If the interleave function callback is not set, this pointer is not used anywhere. DEFAULT NULL PROTOCOLS This functionality affects rtsp only EXAMPLE 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) { CURLcode result; curl_easy_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write); curl_easy_setopt(curl, CURLOPT_INTERLEAVEDATA, &rtp_data); result = curl_easy_perform(curl); curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.20.0 RETURN VALUE curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLOPT_INTERLEAVEFUNCTION(3), CURLOPT_RTSP_REQUEST(3) libcurl 2026-06-11 CURLOPT_INTERLEAVEDATA(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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