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/*
* sdp.h: RFC2974 Session Description Protocol (SDP)
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: sdp.h,v 1.5 2009-02-10 12:42:38 phintuka Exp $
*
*/
#ifndef XINELIBOUTPUT_SDP_H_
#define XINELIBOUTPUT_SDP_H_
#define SDP_MIME_TYPE "application/sdp"
#define SDP_PAYLOAD_MPEG_PES 96
#define SDP_PAYLOAD_MPEG_TS 33
static const char *vdr_sdp_description(const char *vdr_ip,
int vdr_svdrp_port,
int vdr_xineliboutput_port,
const char *rtp_ip,
uint32_t rtp_ssrc,
uint32_t payload_type,
int rtp_port,
int rtp_ttl)
{
static uint8_t s_serial = 0;
static cString s_data;
static char s_hostname[257] = {0};
uint64_t serial = (time(NULL) << 2) + ((s_serial++) & 0x03);
cString payload;
if (!s_hostname[0])
gethostname(s_hostname, 256);
if (payload_type == SDP_PAYLOAD_MPEG_PES) {
payload = cString::sprintf(
/* video/mp2p udp/rtp */
/* media */ "m=video %d RTP/AVP 96"
/* */ "\r\n" "a=rtpmap:96 MP2P/90000"
, rtp_port
);
} else {
payload = cString::sprintf(
/* video/mp2t udp/rtp */
/* media */ "m=video %d RTP/AVP 33"
, rtp_port
);
}
s_data = cString::sprintf(
/*** session ***/
/* version */ "v=0"
/* origin */ "\r\n" "o=%s %u %"PRIu64" IN IP4 %s"
/* name */ "\r\n" "s=%s@%s (multicast %s:%d)"
/* opt:info */ /*"\r\n" "i=vdr-xineliboutput primary device output"*/
/* time */ "\r\n" "t=0 0"
/*** data stream(s) ***/
/* connection */ "\r\n" "c=IN IP4 %s/%d"
/* */ "\r\n" "a=recvonly"
/* */ "\r\n" "a=type:broadcast"
/* */ "\r\n" "a=x-plgroup:vdr"
/* *media */ "\r\n" "%s"
/* media */ /*"\r\n" "m=video %d udp MP2P"*/
/* */ /*"\r\n" "a=mux:ps"*/
/* */ /*"\r\n" "a=packetformat:RAW"*/
#if 0
/*** rtsp control port ***/
/* connection */ "\r\n" "c=IN IP4 %s"
/* media */ "\r\n" "m=control %d tcp/http rtsp"
#endif
/*** xineliboutput control port ***/
/* connection */ "\r\n" "c=IN IP4 %s"
/* media */ "\r\n" "m=control %d tcp x-vdr-xineliboutput"
/*** SVDRP control port ***/
/* connection */ "\r\n" "c=IN IP4 %s"
/* media */ "\r\n" "m=control %d tcp x-svdrp"
/* origin */
, "vdr", rtp_ssrc, serial, vdr_ip
/* name */
, "vdr", s_hostname, rtp_ip, rtp_port
/* media */
, rtp_ip, rtp_ttl
, *payload
#if 0
/* tcp/http control/rtsp */
, vdr_ip
, vdr_xineliboutput_port
#endif
/* tcp control/x-vdr-xineliboutput */
, vdr_ip
, vdr_xineliboutput_port
/* tcp control/x-svdrp */
, vdr_ip
, vdr_svdrp_port
);
return s_data;
}
#endif /* XINELIBOUTPUT_SDP_H_ */
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