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Send RTSP OPTIONS command to detect server type.

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Originally committed as revision 15125 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2008-08-31 17:32:58 +00:00
parent 30aa6aed4a
commit 1cf151e9ae
1 changed files with 37 additions and 0 deletions
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37
libavformat/rtsp.c
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@ -1045,6 +1045,7 @@ static int rtsp_read_header(AVFormatContext *s,
RTSPHeader reply1, *reply = &reply1;
unsigned char *content = NULL;
int protocol_mask = 0;
char real_challenge[64];
/* extract hostname and port */
url_split(NULL, 0, NULL, 0,
@ -1083,6 +1084,42 @@ static int rtsp_read_header(AVFormatContext *s,
rt->rtsp_hd = rtsp_hd;
rt->seq = 0;
/* request options supported by the server; this also detects server type */
for (rt->server_type = RTSP_SERVER_RTP;;) {
snprintf(cmd, sizeof(cmd),
"OPTIONS %s RTSP/1.0\r\n", s->filename);
if (rt->server_type == RTSP_SERVER_RDT)
av_strlcat(cmd,
/**
* The following entries are required for proper
* streaming from a Realmedia server. They are
* interdependent in some way although we currently
* don't quite understand how. Values were copied
* from mplayer SVN r23589.
* @param CompanyID is a 16-byte ID in base64
* @param ClientChallenge is a 16-byte ID in hex
*/
"ClientChallenge: 9e26d33f2984236010ef6253fb1887f7\r\n"
"PlayerStarttime: [28/03/2003:22:50:23 00:00]\r\n"
"CompanyID: KnKV4M4I/B2FjJ1TToLycw==\r\n"
"GUID: 00000000-0000-0000-0000-000000000000\r\n",
sizeof(cmd));
rtsp_send_cmd(s, cmd, reply, NULL);
if (reply->status_code != RTSP_STATUS_OK) {
err = AVERROR_INVALIDDATA;
goto fail;
}
/* detect server type if not standard-compliant RTP */
if (rt->server_type != RTSP_SERVER_RDT && reply->real_challenge[0]) {
rt->server_type = RTSP_SERVER_RDT;
continue;
} else if (rt->server_type == RTSP_SERVER_RDT) {
strcpy(real_challenge, reply->real_challenge);
}
break;
}
/* describe the stream */
snprintf(cmd, sizeof(cmd),
"DESCRIBE %s RTSP/1.0\r\n"