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c4ab33370a
Went through CURLOPTTYPE_STRINGPOINT and CURLOPTTYPE_SLISTPOINT options and clarified: - what happens when setting the option *again* - setting to NULL disables/restores to default - libcurl does not copy the slist for options using a such Closes #14846
70 lines
1.6 KiB
Markdown
70 lines
1.6 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_RTSP_SESSION_ID
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_RTSP_REQUEST (3)
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- CURLOPT_RTSP_STREAM_URI (3)
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Protocol:
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- RTSP
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Added-in: 7.20.0
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---
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# NAME
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CURLOPT_RTSP_SESSION_ID - RTSP session ID
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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_RTSP_SESSION_ID, char *id);
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~~~
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# DESCRIPTION
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Pass a char pointer as a parameter to set the value of the current RTSP
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Session ID for the handle. Useful for resuming an in-progress session. Once
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this value is set to any non-NULL value, libcurl returns
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*CURLE_RTSP_SESSION_ERROR* if ID received from the server does not match. If
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unset (or set to NULL), libcurl automatically sets the ID the first time the
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server sets it in a response.
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The application does not have to keep the string around after setting this
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option.
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Using this option multiple times makes the last set string override the
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previous ones. Set it to NULL to disable its use again.
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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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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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char *prev_id; /* saved from before somehow */
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curl_easy_setopt(curl, CURLOPT_URL, "rtsp://example.com/");
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curl_easy_setopt(curl, CURLOPT_RTSP_SESSION_ID, prev_id);
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res = 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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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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