RTSP 消息拼装实例代码 (三)

char * GetSetupCmd( char *url , int port1, int port2)
{
int nlen, iret;
char *ss;
char *s = GetRTSPCmd("SETUP");

nlen = strlen(s);
iret = nlen + strlen(url) + strlen(PP_NAME) + 200;
ss = (char*)malloc(iret);
char buf[128] = {0};
char buf2[128] = {0};
if(port1 == 0)
strcpy(buf, "\r\nTransport: RTP/AVP/TCP;unicast;interleaved=0-1");
else
sprintf(buf, "\r\nTransport: RTP/AVP;unicast;client_port=%d-%d", ntohs(port2), ntohs(port1));
sprintf(buf2, "%s/track1 RTSP/1.0\r\n", url);
sprintf(ss, s, buf2, 3, PP_NAME, buf, PP_CRLF, PP_CRLF);

return ss;
}
4.PLAY

[cpp]
char * GetPlayCmd( char *url , char *session, char *range)
{
int nlen, iret;
char *ss;
char *s = GetRTSPCmd("PLAY");

nlen = strlen(s);
iret = nlen + strlen(url) + strlen(PP_NAME) + 200;
ss = (char*)malloc(iret);

//char buf[128] = {0};
//sprintf(buf, "Session: %s\r\n", session);

sprintf(ss, s, url, 4, session, range, PP_NAME, PP_CRLF, PP_CRLF);

return ss;
}

char * GetPlayCmd( char *url , char *session, char *range)
{
int nlen, iret;
char *ss;
char *s = GetRTSPCmd("PLAY");

nlen = strlen(s);
iret = nlen + strlen(url) + strlen(PP_NAME) + 200;
ss = (char*)malloc(iret);

//char buf[128] = {0};
//sprintf(buf, "Session: %s\r\n", session);

sprintf(ss, s, url, 4, session, range, PP_NAME, PP_CRLF, PP_CRLF);

return ss;
}