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54ded66618
- always assign the curl_easy_perform() return code (and declare the necessary 'result' variable for it) - always call curl_easy_cleanup() on the created easy handles Closes #21364
76 lines
1.5 KiB
Markdown
76 lines
1.5 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_INTERLEAVEDATA
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Section: 3
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Source: libcurl
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Protocol:
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- RTSP
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See-also:
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- CURLOPT_INTERLEAVEFUNCTION (3)
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- CURLOPT_RTSP_REQUEST (3)
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Added-in: 7.20.0
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---
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# NAME
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CURLOPT_INTERLEAVEDATA - pointer passed to RTSP interleave callback
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_INTERLEAVEDATA, void *pointer);
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~~~
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# DESCRIPTION
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This is the userdata *pointer* that is passed to
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CURLOPT_INTERLEAVEFUNCTION(3) when interleaved RTP data is received. If
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the interleave function callback is not set, this pointer is not used
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anywhere.
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# DEFAULT
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NULL
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# %PROTOCOLS%
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# EXAMPLE
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~~~c
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struct local {
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void *custom;
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};
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static size_t rtp_write(void *ptr, size_t size, size_t nmemb, void *userp)
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{
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struct local *l = userp;
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printf("my pointer: %p\n", l->custom);
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/* take care of the packet in 'ptr', then return... */
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return size * nmemb;
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}
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int main(void)
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{
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struct local rtp_data;
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode result;
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curl_easy_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
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curl_easy_setopt(curl, CURLOPT_INTERLEAVEDATA, &rtp_data);
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result = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# %AVAILABILITY%
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# RETURN VALUE
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curl_easy_setopt(3) returns a CURLcode indicating success or error.
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CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
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libcurl-errors(3).
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