* Copyright (C) 2003-2004 the VideoLAN team
* Copyright © 2007 Rémi Denis-Courmont
*
- * $Id: rtp.c 21407 2007-08-22 20:10:41Z courmisch $
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
#include <vlc_sout.h>
#include <vlc_httpd.h>
httpd_url_t *url;
char *psz_path;
const char *track_fmt;
+ unsigned track_id;
unsigned port;
int sessionc;
rtsp->host = NULL;
rtsp->url = NULL;
rtsp->psz_path = NULL;
- vlc_mutex_init( p_stream, &rtsp->lock );
+ rtsp->track_id = 0;
+ vlc_mutex_init( &rtsp->lock );
rtsp->port = (url->i_port > 0) ? url->i_port : 554;
rtsp->psz_path = strdup( ( url->psz_path != NULL ) ? url->psz_path : "/" );
free( rtsp->psz_path );
vlc_mutex_destroy( &rtsp->lock );
+
+ free( rtsp );
}
httpd_url_t *url;
const char *dst;
int ttl;
- unsigned loport, hiport;
+ unsigned track_id;
+ uint32_t ssrc;
+ uint16_t loport, hiport;
};
/* Unicast session track */
struct rtsp_strack_t
{
- sout_stream_id_t *id;
+ rtsp_stream_id_t *id;
int fd;
- vlc_bool_t playing;
+ bool playing;
};
rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid,
- unsigned num,
+ uint32_t ssrc,
/* Multicast stuff - TODO: cleanup */
const char *dst, int ttl,
unsigned loport, unsigned hiport )
id->stream = rtsp;
id->sout_id = sid;
+ id->track_id = rtsp->track_id;
+ id->ssrc = ssrc;
/* TODO: can we assume that this need not be strdup'd? */
id->dst = dst;
if( id->dst != NULL )
}
snprintf( urlbuf, sizeof( urlbuf ), rtsp->track_fmt, rtsp->psz_path,
- num );
+ id->track_id );
msg_Dbg( rtsp->owner, "RTSP: adding %s", urlbuf );
url = id->url = httpd_UrlNewUnique( rtsp->host, urlbuf, NULL, NULL, NULL );
httpd_UrlCatch( url, HTTPD_MSG_GETPARAMETER, RtspCallbackId, (void *)id );
httpd_UrlCatch( url, HTTPD_MSG_TEARDOWN, RtspCallbackId, (void *)id );
+ rtsp->track_id++;
+
return id;
}
for( int j = 0; j < ses->trackc; j++ )
{
- if( ses->trackv[j].id == id->sout_id )
+ if( ses->trackv[j].id == id )
{
rtsp_strack_t *tr = ses->trackv + j;
net_Close( tr->fd );
TAB_REMOVE( rtsp->sessionc, rtsp->sessionv, session );
for( i = 0; i < session->trackc; i++ )
- rtp_del_sink( session->trackv[i].id, session->trackv[i].fd );
+ rtp_del_sink( session->trackv[i].id->sout_id, session->trackv[i].fd );
free( session->trackv );
free( session );
const char *psz_session = NULL, *psz;
char control[sizeof("rtsp://[]:12345") + NI_MAXNUMERICHOST
+ strlen( rtsp->psz_path )];
+ time_t now;
+
+ time (&now);
if( answer == NULL || query == NULL || cl == NULL )
return VLC_SUCCESS;
/* */
answer->i_proto = HTTPD_PROTO_RTSP;
- answer->i_version= query->i_version;
+ answer->i_version= 0;
answer->i_type = HTTPD_MSG_ANSWER;
answer->i_body = 0;
answer->p_body = NULL;
+ httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING );
+
+ /* Date: is always allowed, and sometimes mandatory with RTSP/2.0. */
+ struct tm ut;
+ if (gmtime_r (&now, &ut) != NULL)
+ { /* RFC1123 format, GMT is mandatory */
+ static const char wdays[7][4] = {
+ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
+ static const char mons[12][4] = {
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+ httpd_MsgAdd (answer, "Date", "%s, %02u %s %04u %02u:%02u:%02u GMT",
+ wdays[ut.tm_wday], ut.tm_mday, mons[ut.tm_mon],
+ 1900 + ut.tm_year, ut.tm_hour, ut.tm_min, ut.tm_sec);
+ }
+
+ if( query->i_proto != HTTPD_PROTO_RTSP )
+ {
+ answer->i_status = 505;
+ }
+ else
if( httpd_MsgGet( query, "Require" ) != NULL )
{
answer->i_status = 551;
tpt != NULL;
tpt = transport_next( tpt ) )
{
- vlc_bool_t b_multicast = VLC_TRUE, b_unsupp = VLC_FALSE;
+ bool b_multicast = true, b_unsupp = false;
unsigned loport = 5004, hiport = 5005; /* from RFC3551 */
/* Check transport protocol. */
opt = parameter_next( opt ) )
{
if( strncmp( opt, "multicast", 9 ) == 0)
- b_multicast = VLC_TRUE;
+ b_multicast = true;
else
if( strncmp( opt, "unicast", 7 ) == 0 )
- b_multicast = VLC_FALSE;
+ b_multicast = false;
else
if( sscanf( opt, "client_port=%u-%u", &loport, &hiport )
== 2 )
&& strncasecmp( opt + 5, "\"PLAY\"", 6 ) )
{
/* Not playing?! */
- b_unsupp = VLC_TRUE;
+ b_unsupp = true;
break;
}
}
if( strncmp( opt,"destination=", 12 ) == 0 )
{
answer->i_status = 403;
- b_unsupp = VLC_TRUE;
+ b_unsupp = true;
}
else
{
*
* "interleaved" is not implemented.
*/
- b_unsupp = VLC_TRUE;
+ b_unsupp = true;
break;
}
}
{
char ip[NI_MAXNUMERICHOST], src[NI_MAXNUMERICHOST];
rtsp_session_t *ses = NULL;
- rtsp_strack_t track = { id->sout_id, -1, VLC_FALSE };
+ rtsp_strack_t track = { id, -1, false };
int sport;
if( httpd_ClientIP( cl, ip ) == NULL )
continue;
}
+ /* Ignore any unexpected incoming packet */
+ setsockopt (track.fd, SOL_SOCKET, SO_RCVBUF, &(int){ 0 },
+ sizeof (int));
net_GetSockAddress( track.fd, src, &sport );
vlc_mutex_lock( &rtsp->lock );
if( psz_session == NULL )
{
ses = RtspClientNew( rtsp );
- snprintf( psz_sesbuf, sizeof( psz_sesbuf ), I64Fx,
+ snprintf( psz_sesbuf, sizeof( psz_sesbuf ), "%"PRIx64,
ses->id );
psz_session = psz_sesbuf;
}
httpd_MsgAdd( answer, "Transport",
"RTP/AVP/UDP;unicast;source=%s;"
"client_port=%u-%u;server_port=%u-%u;"
- "mode=play",
+ "ssrc=%08X;mode=play",
src, loport, loport + 1, sport,
- sport + 1 );
+ sport + 1, id->ssrc );
}
else
{
httpd_MsgAdd( answer, "Transport",
"RTP/AVP/UDP;unicast;"
"client_port=%u-%u;server_port=%u-%u;"
- "mode=play",
- loport, loport + 1, sport, sport + 1 );
+ "ssrc=%08X;mode=play",
+ loport, loport + 1, sport, sport + 1,
+ id->ssrc );
}
answer->i_status = 200;
answer->i_status = 200;
psz_session = httpd_MsgGet( query, "Session" );
- if( httpd_MsgGet( query, "Range" ) != NULL )
+ const char *range = httpd_MsgGet (query, "Range");
+ if (range && strncmp (range, "npt=", 4))
{
- answer->i_status = 456; /* cannot seek */
+ answer->i_status = 501;
break;
}
ses = RtspClientGet( rtsp, psz_session );
if( ses != NULL )
{
+ /* FIXME: we really need to limit the number of tracks... */
+ char info[ses->trackc * ( strlen( control )
+ + sizeof("url=/trackID=123;seq=65535;"
+ "rtptime=4294967295, ") ) + 1];
+ size_t infolen = 0;
+ int64_t ts = rtp_get_ts( rtsp->owner );
+
for( int i = 0; i < ses->trackc; i++ )
{
rtsp_strack_t *tr = ses->trackv + i;
- if( !tr->playing
- && ( ( id == NULL ) || ( tr->id == id->sout_id ) ) )
+ if( ( id == NULL ) || ( tr->id == id ) )
{
- tr->playing = VLC_TRUE;
- rtp_add_sink( tr->id, tr->fd, VLC_FALSE );
+ uint16_t seq;
+ if( !tr->playing )
+ {
+ tr->playing = true;
+ rtp_add_sink( tr->id->sout_id, tr->fd, false,
+ &seq );
+ }
+ else
+ seq = rtp_get_seq( tr->id->sout_id );
+ infolen += sprintf( info + infolen,
+ "url=%s/trackID=%u;seq=%u;rtptime=%u, ",
+ control, tr->id->track_id, seq,
+ rtp_compute_ts( tr->id->sout_id, ts ) );
}
}
+ if( infolen > 0 )
+ {
+ info[infolen - 2] = '\0'; /* remove trailing ", " */
+ httpd_MsgAdd( answer, "RTP-Info", "%s", info );
+ }
}
vlc_mutex_unlock( &rtsp->lock );
else /* Delete one track from the session */
for( int i = 0; i < ses->trackc; i++ )
{
- if( ses->trackv[i].id == id->sout_id )
+ if( ses->trackv[i].id == id )
{
rtp_del_sink( id->sout_id, ses->trackv[i].fd );
REMOVE_ELEM( ses->trackv, ses->trackc, i );
return VLC_EGENERIC;
}
- httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING );
if( psz_session )
httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
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