On Thu, Jul 29, 2010 at 2:28 AM, Harshdeep Singh <harshcalsoft_at_gmail.com> wrote:
> Hi,
>    i am writing a RTSP client program. I am using live555 as a RTSP server.
> When i am sending a SETUP request the i am getting a response with code 400
> (Bad request). Can anyone help me with this, the code looks like this:
>
> #include <stdio.h>
> #include <stdlib.h>
> #include <string.h>
>
> #include <curl/curl.h>
>
> static size_t rtp_write(void *ptr, size_t size, size_t nmemb, void *stream){
>   printf("Size is: %d\n",size);
>   printf("Nmemb is: %d\n",nmemb);
>   return size*nmemb;
> }
>
> int main(int argc, char *argv[])
> {
>   CURL  *csession;
>   CURLcode res;
>   struct curl_slist *custom_msg = NULL;
>
>   char URL[256];
>   char request[256];
>   long rc;
>   int port = 48000;
>   FILE * protofile = NULL;
>   protofile = fopen("Dump","wb");
>   if (argc < 2)
>   {
>       fprintf (stderr, "ERROR: enter a valid URL\n");
>       return -1;
>   }
>
>   csession = curl_easy_init();
>
>   if (csession == NULL)
>       return -1;
>   printf("%s\n", argv[1]);
>   sprintf (URL, "%s", argv[1]);
>
>   curl_easy_setopt(csession, CURLOPT_URL, URL);
>   curl_easy_setopt(csession, CURLOPT_RTSP_STREAM_URI, URL);
>   curl_easy_setopt(csession, CURLOPT_FOLLOWLOCATION, 1);
>   curl_easy_setopt(csession, CURLOPT_HEADER, 1);
>   curl_easy_setopt(csession, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
>   curl_easy_setopt(csession, CURLOPT_INTERLEAVEDATA, protofile);
>   //curl_easy_setopt(csession, CURLOPT_VERBOSE, 1);
>
>   /** retrieve OPTIONS */
>   curl_easy_setopt(csession, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_OPTIONS);
>   res = curl_easy_perform(csession);
>   res = curl_easy_getinfo(csession, CURLINFO_RESPONSE_CODE, &rc);
>   if((res == CURLE_OK) && rc)
>   {
>       fprintf(stderr, "OPTIONS Response Code: %ld\n\n", rc);
>   }
>   else
>       return -1;
>
>   /** send DESCRIBE */
>   custom_msg = curl_slist_append(custom_msg, "Accept: application/x-rtsp-mh,
> application/rtsl, application/sdp");
>   curl_easy_setopt(csession, CURLOPT_RTSPHEADER, custom_msg);
>   curl_easy_setopt(csession, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_DESCRIBE);
>   res = curl_easy_perform(csession);
>
>   res = curl_easy_getinfo(csession, CURLINFO_RESPONSE_CODE, &rc);
>   if((res == CURLE_OK) && rc)
>   {
>       fprintf(stderr, "DESCRIBE Response Code: %ld\n\n", rc);
>   }
>   else
>       return -1;
>
>   /** send SETUP */
>   sprintf (request, "RTP/AVP;unicast;client_port=%d", port);
>   curl_easy_setopt(csession, CURLOPT_RTSP_TRANSPORT, request);
>   curl_easy_setopt(csession, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_SETUP);
>   res = curl_easy_perform(csession);
>   res = curl_easy_getinfo(csession, CURLINFO_RESPONSE_CODE, &rc);
>
>   if((res == CURLE_OK) && rc)
>   {
>       fprintf(stderr, "SETUP Response Code: %ld\n\n", rc);
>   }
>   else
>       return -1;
>
>   /** send PLAY */
>   curl_easy_setopt(csession, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
>   res = curl_easy_perform(csession);
>   res = curl_easy_getinfo(csession, CURLINFO_RESPONSE_CODE, &rc);
>   if((res == CURLE_OK) && rc)
>   {
>       fprintf(stderr, "PLAY Response Code: %ld\n\n", rc);
>   }
>   else
>       return -1;
>
>   /** send GET_PARAMETER */
>   /*curl_easy_setopt(csession, CURLOPT_RTSP_REQUEST,
> CURL_RTSPREQ_GET_PARAMETER);
>   res = curl_easy_perform(csession);
>   res = curl_easy_getinfo(csession, CURLINFO_RESPONSE_CODE, &rc);
>   if((res == CURLE_OK && rc))
>   {
>       fprintf(stderr, "GET_PARAMETER Response Code: %ld\n\n", rc);
>   }
>   else
>       return -1;
>   */
>   /** send TEARDOWN */
>   curl_easy_setopt(csession, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_TEARDOWN);
>   res = curl_easy_perform(csession);
>
>   res = curl_easy_getinfo(csession, CURLINFO_RESPONSE_CODE, &rc);
>   if((res == CURLE_OK) && rc)
>   {
>       fprintf(stderr, "TEARDOWN Response Code: %ld\n\n", rc);
>   }
>   else
>       return -1;
>
>   curl_easy_cleanup(csession);
>   fclose(protofile);
>   return 0;
> }
>
> Plz help, Thanks in advance
>
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>

It would be easier to help if you included a trace of what is getting
sent/received. I imagine you just need to adjust the URL you are
passing.

-- 
Chris Conroy
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