X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fstream_out%2Frtsp.c;h=a1cc95317051da7d790541f7943e66f8f86d9a59;hb=f3ad50e8a846bd4de3c36a31bae26c1042b52c7c;hp=f5872afa7f19011ac20acad232fc4ce8052e5ea5;hpb=99fab9089e9e1709d9c3a4bc5ced0c137ac59134;p=vlc diff --git a/modules/stream_out/rtsp.c b/modules/stream_out/rtsp.c index f5872afa7f..a1cc953170 100644 --- a/modules/stream_out/rtsp.c +++ b/modules/stream_out/rtsp.c @@ -4,7 +4,7 @@ * 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 * @@ -30,7 +30,7 @@ # include "config.h" #endif -#include +#include #include #include @@ -52,7 +52,7 @@ struct rtsp_stream_t httpd_host_t *host; httpd_url_t *url; char *psz_path; - const char *track_fmt; + unsigned track_id; unsigned port; int sessionc; @@ -84,19 +84,14 @@ rtsp_stream_t *RtspSetup( sout_stream_t *p_stream, const vlc_url_t *url ) 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 : "/" ); if( rtsp->psz_path == NULL ) goto error; - assert( strlen( rtsp->psz_path ) > 0 ); - if( rtsp->psz_path[strlen( rtsp->psz_path ) - 1] == '/' ) - rtsp->track_fmt = "%strackID=%u"; - else - rtsp->track_fmt = "%s/trackID=%u"; - msg_Dbg( p_stream, "RTSP stream: host %s port %d at %s", url->psz_host, rtsp->port, rtsp->psz_path ); @@ -127,17 +122,19 @@ error: void RtspUnsetup( rtsp_stream_t *rtsp ) { - while( rtsp->sessionc > 0 ) - RtspClientDel( rtsp, rtsp->sessionv[0] ); - if( rtsp->url ) httpd_UrlDelete( rtsp->url ); + while( rtsp->sessionc > 0 ) + RtspClientDel( rtsp, rtsp->sessionv[0] ); + if( rtsp->host ) httpd_HostDelete( rtsp->host ); free( rtsp->psz_path ); vlc_mutex_destroy( &rtsp->lock ); + + free( rtsp ); } @@ -148,6 +145,7 @@ struct rtsp_stream_id_t httpd_url_t *url; const char *dst; int ttl; + unsigned track_id; uint32_t ssrc; uint16_t loport, hiport; }; @@ -170,19 +168,31 @@ struct rtsp_session_t /* 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; }; +char *RtspAppendTrackPath( rtsp_stream_id_t *id, const char *base ) +{ + const char *sep = strlen( base ) > 0 && base[strlen( base ) - 1] == '/' ? + "" : "/"; + char *url; + + if( asprintf( &url, "%s%strackID=%u", base, sep, id->track_id ) == -1 ) + url = NULL; + return url; +} + + rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid, - unsigned num, uint32_t ssrc, + uint32_t ssrc, /* Multicast stuff - TODO: cleanup */ const char *dst, int ttl, unsigned loport, unsigned hiport ) { - char urlbuf[sizeof( "/trackID=123" ) + strlen( rtsp->psz_path )]; + char *urlbuf; rtsp_stream_id_t *id = malloc( sizeof( *id ) ); httpd_url_t *url; @@ -191,6 +201,7 @@ rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid, 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; @@ -201,11 +212,16 @@ rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid, id->hiport = hiport; } - /* FIXME: num screws up if any ES has been removed and re-added */ - snprintf( urlbuf, sizeof( urlbuf ), rtsp->track_fmt, rtsp->psz_path, - num ); + urlbuf = RtspAppendTrackPath( id, rtsp->psz_path ); + if( urlbuf == NULL ) + { + free( id ); + return NULL; + } + msg_Dbg( rtsp->owner, "RTSP: adding %s", urlbuf ); url = id->url = httpd_UrlNewUnique( rtsp->host, urlbuf, NULL, NULL, NULL ); + free( urlbuf ); if( url == NULL ) { @@ -220,12 +236,16 @@ rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid, httpd_UrlCatch( url, HTTPD_MSG_GETPARAMETER, RtspCallbackId, (void *)id ); httpd_UrlCatch( url, HTTPD_MSG_TEARDOWN, RtspCallbackId, (void *)id ); + rtsp->track_id++; + return id; } void RtspDelId( rtsp_stream_t *rtsp, rtsp_stream_id_t *id ) { + httpd_UrlDelete( id->url ); + vlc_mutex_lock( &rtsp->lock ); for( int i = 0; i < rtsp->sessionc; i++ ) { @@ -233,17 +253,16 @@ void RtspDelId( rtsp_stream_t *rtsp, rtsp_stream_id_t *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 ); + rtp_del_sink( tr->id->sout_id, tr->fd ); REMOVE_ELEM( ses->trackv, ses->trackc, j ); } } } vlc_mutex_unlock( &rtsp->lock ); - httpd_UrlDelete( id->url ); free( id ); } @@ -301,7 +320,7 @@ void RtspClientDel( rtsp_stream_t *rtsp, rtsp_session_t *session ) 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 ); @@ -348,6 +367,9 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, 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; @@ -376,6 +398,22 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, answer->i_body = 0; answer->p_body = NULL; + httpd_MsgAdd( answer, "Server", "VLC/%s", VERSION ); + + /* 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; @@ -424,7 +462,7 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, 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. */ @@ -443,10 +481,10 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, 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 ) @@ -458,7 +496,7 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, && strncasecmp( opt + 5, "\"PLAY\"", 6 ) ) { /* Not playing?! */ - b_unsupp = VLC_TRUE; + b_unsupp = true; break; } } @@ -466,7 +504,7 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, if( strncmp( opt,"destination=", 12 ) == 0 ) { answer->i_status = 403; - b_unsupp = VLC_TRUE; + b_unsupp = true; } else { @@ -483,7 +521,7 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, * * "interleaved" is not implemented. */ - b_unsupp = VLC_TRUE; + b_unsupp = true; break; } } @@ -500,8 +538,8 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, if( psz_session == NULL ) { /* Create a dummy session ID */ - snprintf( psz_sesbuf, sizeof( psz_sesbuf ), "%d", - rand() ); + snprintf( psz_sesbuf, sizeof( psz_sesbuf ), "%lu", + vlc_mrand48() ); psz_session = psz_sesbuf; } answer->i_status = 200; @@ -516,7 +554,7 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, { 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 ) @@ -536,13 +574,16 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, 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; } @@ -601,9 +642,10 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, 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; } @@ -611,25 +653,35 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, ses = RtspClientGet( rtsp, psz_session ); if( ses != NULL ) { + /* The "trackID" part must match what is done in + * RtspAppendTrackPath() */ /* FIXME: we really need to limit the number of tracks... */ char info[ses->trackc * ( strlen( control ) - + sizeof("/trackID=123;seq=65535, ") ) + 1]; + + 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( ( id == NULL ) || ( tr->id == id->sout_id ) ) + if( ( id == NULL ) || ( tr->id == id ) ) { + uint16_t seq; if( !tr->playing ) { - tr->playing = VLC_TRUE; - rtp_add_sink( tr->id, tr->fd, VLC_FALSE ); + tr->playing = true; + rtp_add_sink( tr->id->sout_id, tr->fd, false, + &seq ); } + else + seq = rtp_get_seq( tr->id->sout_id ); + char *url = RtspAppendTrackPath( tr->id, control ); infolen += sprintf( info + infolen, - "%s/trackID=%u;seq=%u, ", control, - rtp_get_num( tr->id ), - rtp_get_seq( tr->id ) ); + "url=%s;seq=%u;rtptime=%u, ", + url != NULL ? url : "", seq, + rtp_compute_ts( tr->id->sout_id, ts ) ); + free( url ); } } if( infolen > 0 ) @@ -680,7 +732,7 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, 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 ); @@ -695,7 +747,6 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id, return VLC_EGENERIC; } - httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING ); if( psz_session ) httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );