curl / libcurl / API / curl_easy_setopt / CURLOPT_INTERLEAVEDATA

CURLOPT_INTERLEAVEDATA explained

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_INTERLEAVEFUNCTION when interleaved RTP data is received. If the interleave function callback is not set, this pointer is not used anywhere.

Default

NULL

Protocols

RTSP

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) {
    curl_easy_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
    curl_easy_setopt(curl, CURLOPT_INTERLEAVEDATA, &rtp_data);
 
    curl_easy_perform(curl);
 }
}

Availability

Added in 7.20.0

Return value

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

See also

CURLOPT_INTERLEAVEFUNCTION(3), CURLOPT_RTSP_REQUEST(3)

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