/*****************************************************************************
* rtsp.c: RTSP support for RTP stream output module
*****************************************************************************
- * Copyright (C) 2003-2004 the VideoLAN team
+ * Copyright (C) 2003-2004, 2010 the VideoLAN team
* Copyright © 2007 Rémi Denis-Courmont
*
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Pierre Ynard
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <vlc_httpd.h>
#include <vlc_url.h>
+#include <vlc_charset.h>
+#include <vlc_fs.h>
#include <vlc_network.h>
#include <vlc_rand.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
+#include <time.h>
+
+#ifndef WIN32
+# include <locale.h>
+#endif
+#ifdef HAVE_XLOCALE_H
+# include <xlocale.h>
+#endif
#include "rtp.h"
struct rtsp_stream_t
{
vlc_mutex_t lock;
- sout_stream_t *owner;
+ vlc_object_t *owner;
+ vod_media_t *vod_media;
httpd_host_t *host;
httpd_url_t *url;
char *psz_path;
unsigned track_id;
- unsigned port;
int sessionc;
rtsp_session_t **sessionv;
+
+ int timeout;
+ vlc_timer_t timer;
};
const httpd_message_t *query );
static void RtspClientDel( rtsp_stream_t *rtsp, rtsp_session_t *session );
-rtsp_stream_t *RtspSetup( sout_stream_t *p_stream, const vlc_url_t *url )
+static void RtspTimeOut( void *data );
+
+rtsp_stream_t *RtspSetup( vlc_object_t *owner, vod_media_t *media,
+ const char *path )
{
rtsp_stream_t *rtsp = malloc( sizeof( *rtsp ) );
- if( rtsp == NULL || ( url->i_port > 99999 ) )
+ if( rtsp == NULL )
{
free( rtsp );
return NULL;
}
- rtsp->owner = p_stream;
+ rtsp->owner = owner;
+ rtsp->vod_media = media;
rtsp->sessionc = 0;
rtsp->sessionv = NULL;
rtsp->host = NULL;
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 : "/" );
+ rtsp->timeout = var_InheritInteger(owner, "rtsp-timeout");
+ if (rtsp->timeout > 0)
+ {
+ if (vlc_timer_create(&rtsp->timer, RtspTimeOut, rtsp))
+ goto error;
+ }
+
+ rtsp->psz_path = strdup( (path != NULL) ? path : "/" );
if( rtsp->psz_path == NULL )
goto error;
- msg_Dbg( p_stream, "RTSP stream: host %s port %d at %s",
- url->psz_host, rtsp->port, rtsp->psz_path );
+ msg_Dbg( owner, "RTSP stream at %s", rtsp->psz_path );
- rtsp->host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host,
- rtsp->port );
+ rtsp->host = vlc_rtsp_HostNew( VLC_OBJECT(owner) );
if( rtsp->host == NULL )
goto error;
+ char *user = var_InheritString(owner, "sout-rtsp-user");
+ char *pwd = var_InheritString(owner, "sout-rtsp-pwd");
+
rtsp->url = httpd_UrlNewUnique( rtsp->host, rtsp->psz_path,
- NULL, NULL, NULL );
+ user, pwd, NULL );
+ free(user);
+ free(pwd);
if( rtsp->url == NULL )
goto error;
void RtspUnsetup( rtsp_stream_t *rtsp )
{
- while( rtsp->sessionc > 0 )
- RtspClientDel( rtsp, rtsp->sessionv[0] );
-
if( rtsp->url )
httpd_UrlDelete( rtsp->url );
if( rtsp->host )
httpd_HostDelete( rtsp->host );
+ while( rtsp->sessionc > 0 )
+ RtspClientDel( rtsp, rtsp->sessionv[0] );
+
+ if (rtsp->timeout > 0)
+ vlc_timer_destroy(rtsp->timer);
+
free( rtsp->psz_path );
vlc_mutex_destroy( &rtsp->lock );
rtsp_stream_t *stream;
sout_stream_id_t *sout_id;
httpd_url_t *url;
- const char *dst;
- int ttl;
unsigned track_id;
uint32_t ssrc;
- uint16_t loport, hiport;
+ unsigned clock_rate; /* needed to compute rtptime in RTP-Info */
+ int mcast_fd;
};
{
rtsp_stream_t *stream;
uint64_t id;
+ mtime_t last_seen; /* for timeouts */
/* output (id-access) */
int trackc;
struct rtsp_strack_t
{
rtsp_stream_id_t *id;
- int fd;
- bool playing;
+ sout_stream_id_t *sout_id;
+ int setup_fd; /* socket created by the SETUP request */
+ int rtp_fd; /* socket used by the RTP output, when playing */
+ uint32_t ssrc;
+ uint16_t seq_init;
};
+static void RtspTrackClose( rtsp_strack_t *tr );
+
+#define TRACK_PATH_SIZE (sizeof("/trackID=999") - 1)
char *RtspAppendTrackPath( rtsp_stream_id_t *id, const char *base )
{
rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid,
- uint32_t ssrc,
- /* Multicast stuff - TODO: cleanup */
- const char *dst, int ttl,
- unsigned loport, unsigned hiport )
+ uint32_t ssrc, unsigned clock_rate,
+ int mcast_fd)
{
+ if (rtsp->track_id > 999)
+ {
+ msg_Err(rtsp->owner, "RTSP: too many IDs!");
+ return NULL;
+ }
+
char *urlbuf;
rtsp_stream_id_t *id = malloc( sizeof( *id ) );
httpd_url_t *url;
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 )
- {
- id->ttl = ttl;
- id->loport = loport;
- id->hiport = hiport;
- }
+ id->clock_rate = clock_rate;
+ id->mcast_fd = mcast_fd;
urlbuf = RtspAppendTrackPath( id, rtsp->psz_path );
if( urlbuf == NULL )
}
msg_Dbg( rtsp->owner, "RTSP: adding %s", urlbuf );
- url = id->url = httpd_UrlNewUnique( rtsp->host, urlbuf, NULL, NULL, NULL );
+
+ char *user = var_InheritString(rtsp->owner, "sout-rtsp-user");
+ char *pwd = var_InheritString(rtsp->owner, "sout-rtsp-pwd");
+
+ url = id->url = httpd_UrlNewUnique( rtsp->host, urlbuf, user, pwd, NULL );
+ free( user );
+ free( pwd );
free( urlbuf );
if( url == NULL )
if( ses->trackv[j].id == id )
{
rtsp_strack_t *tr = ses->trackv + j;
- rtp_del_sink( tr->id->sout_id, tr->fd );
+ RtspTrackClose( tr );
REMOVE_ELEM( ses->trackv, ses->trackc, j );
}
}
}
+/** rtsp must be locked */
+static void RtspUpdateTimer( rtsp_stream_t *rtsp )
+{
+ if (rtsp->timeout <= 0)
+ return;
+
+ mtime_t timeout = 0;
+ for (int i = 0; i < rtsp->sessionc; i++)
+ {
+ if (timeout == 0 || rtsp->sessionv[i]->last_seen < timeout)
+ timeout = rtsp->sessionv[i]->last_seen;
+ }
+ if (timeout != 0)
+ timeout += rtsp->timeout * CLOCK_FREQ;
+ vlc_timer_schedule(rtsp->timer, true, timeout, 0);
+}
+
+
+static void RtspTimeOut( void *data )
+{
+ rtsp_stream_t *rtsp = data;
+
+ vlc_mutex_lock(&rtsp->lock);
+ mtime_t now = mdate();
+ for (int i = rtsp->sessionc - 1; i >= 0; i--)
+ {
+ if (rtsp->sessionv[i]->last_seen + rtsp->timeout * CLOCK_FREQ < now)
+ {
+ if (rtsp->vod_media != NULL)
+ {
+ char psz_sesbuf[17];
+ snprintf( psz_sesbuf, sizeof( psz_sesbuf ), "%"PRIx64,
+ rtsp->sessionv[i]->id );
+ vod_stop(rtsp->vod_media, psz_sesbuf);
+ }
+ RtspClientDel(rtsp, rtsp->sessionv[i]);
+ }
+ }
+ RtspUpdateTimer(rtsp);
+ vlc_mutex_unlock(&rtsp->lock);
+}
+
+
/** rtsp must be locked */
static
rtsp_session_t *RtspClientNew( rtsp_stream_t *rtsp )
TAB_REMOVE( rtsp->sessionc, rtsp->sessionv, session );
for( i = 0; i < session->trackc; i++ )
- rtp_del_sink( session->trackv[i].id->sout_id, session->trackv[i].fd );
+ RtspTrackClose( &session->trackv[i] );
free( session->trackv );
free( session );
}
+/** rtsp must be locked */
+static void RtspClientAlive( rtsp_session_t *session )
+{
+ if (session->stream->timeout <= 0)
+ return;
+
+ session->last_seen = mdate();
+ RtspUpdateTimer(session->stream);
+}
+
+static int dup_socket(int oldfd)
+{
+ int newfd;
+#if !defined(WIN32) || defined(UNDER_CE)
+ newfd = vlc_dup(oldfd);
+#else
+ WSAPROTOCOL_INFO info;
+ WSADuplicateSocket (oldfd, GetCurrentProcessId (), &info);
+ newfd = WSASocket (info.iAddressFamily, info.iSocketType,
+ info.iProtocol, &info, 0, 0);
+#endif
+ return newfd;
+}
+
+/* Attach a starting VoD RTP id to its RTSP track, and let it
+ * initialize with the parameters of the SETUP request */
+int RtspTrackAttach( rtsp_stream_t *rtsp, const char *name,
+ rtsp_stream_id_t *id, sout_stream_id_t *sout_id,
+ uint32_t *ssrc, uint16_t *seq_init )
+{
+ int val = VLC_EGENERIC;
+ rtsp_session_t *session;
+
+ vlc_mutex_lock(&rtsp->lock);
+ session = RtspClientGet(rtsp, name);
+
+ if (session == NULL)
+ goto out;
+
+ rtsp_strack_t *tr = NULL;
+ for (int i = 0; i < session->trackc; i++)
+ {
+ if (session->trackv[i].id == id)
+ {
+ tr = session->trackv + i;
+ break;
+ }
+ }
+
+ if (tr != NULL)
+ {
+ tr->sout_id = sout_id;
+ tr->rtp_fd = dup_socket(tr->setup_fd);
+ }
+ else
+ {
+ /* The track was not SETUP. We still create one because we'll
+ * need the sout_id if we set it up later. */
+ rtsp_strack_t track = { .id = id, .sout_id = sout_id,
+ .setup_fd = -1, .rtp_fd = -1 };
+ vlc_rand_bytes (&track.seq_init, sizeof (track.seq_init));
+ vlc_rand_bytes (&track.ssrc, sizeof (track.ssrc));
+
+ INSERT_ELEM(session->trackv, session->trackc, session->trackc, track);
+ tr = session->trackv + session->trackc - 1;
+ }
+
+ *ssrc = ntohl(tr->ssrc);
+ *seq_init = tr->seq_init;
+
+ if (tr->rtp_fd != -1)
+ {
+ uint16_t seq;
+ rtp_add_sink(tr->sout_id, tr->rtp_fd, false, &seq);
+ /* To avoid race conditions, sout_id->i_seq_sent_next must
+ * be set here and now. Make sure the caller did its job
+ * properly when passing seq_init. */
+ assert(tr->seq_init == seq);
+ }
+
+ val = VLC_SUCCESS;
+out:
+ vlc_mutex_unlock(&rtsp->lock);
+ return val;
+}
+
+
+/* Remove references to the RTP id when it is stopped */
+void RtspTrackDetach( rtsp_stream_t *rtsp, const char *name,
+ sout_stream_id_t *sout_id )
+{
+ rtsp_session_t *session;
+
+ vlc_mutex_lock(&rtsp->lock);
+ session = RtspClientGet(rtsp, name);
+
+ if (session == NULL)
+ goto out;
+
+ for (int i = 0; i < session->trackc; i++)
+ {
+ rtsp_strack_t *tr = session->trackv + i;
+ if (tr->sout_id == sout_id)
+ {
+ if (tr->setup_fd == -1)
+ {
+ /* No (more) SETUP information: better get rid of the
+ * track so that we can have new random ssrc and
+ * seq_init next time. */
+ REMOVE_ELEM( session->trackv, session->trackc, i );
+ break;
+ }
+ /* We keep the SETUP information of the track, but stop it */
+ if (tr->rtp_fd != -1)
+ {
+ rtp_del_sink(tr->sout_id, tr->rtp_fd);
+ tr->rtp_fd = -1;
+ }
+ tr->sout_id = NULL;
+ break;
+ }
+ }
+
+out:
+ vlc_mutex_unlock(&rtsp->lock);
+}
+
+
+/** rtsp must be locked */
+static void RtspTrackClose( rtsp_strack_t *tr )
+{
+ if (tr->setup_fd != -1)
+ {
+ if (tr->rtp_fd != -1)
+ {
+ rtp_del_sink(tr->sout_id, tr->rtp_fd);
+ tr->rtp_fd = -1;
+ }
+ net_Close(tr->setup_fd);
+ tr->setup_fd = -1;
+ }
+}
+
+
/** Finds the next transport choice */
static inline const char *transport_next( const char *str )
{
}
+static int64_t ParseNPT (const char *str)
+{
+ locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
+ locale_t oldloc = uselocale (loc);
+ unsigned hour, min;
+ float sec;
+
+ if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
+ sec += ((hour * 60) + min) * 60;
+ else
+ if (sscanf (str, "%f", &sec) != 1)
+ sec = -1;
+
+ if (loc != (locale_t)0)
+ {
+ uselocale (oldloc);
+ freelocale (loc);
+ }
+ return sec < 0 ? -1 : sec * CLOCK_FREQ;
+}
+
+
/** RTSP requests handler
* @param id selected track for non-aggregate URLs,
* NULL for aggregate URLs
httpd_message_t *answer,
const httpd_message_t *query )
{
- sout_stream_t *p_stream = rtsp->owner;
+ vlc_object_t *owner = rtsp->owner;
char psz_sesbuf[17];
const char *psz_session = NULL, *psz;
char control[sizeof("rtsp://[]:12345") + NI_MAXNUMERICHOST
+ strlen( rtsp->psz_path )];
+ bool vod = rtsp->vod_media != NULL;
time_t now;
time (&now);
{
/* Build self-referential control URL */
char ip[NI_MAXNUMERICHOST], *ptr;
+ int port;
- httpd_ServerIP( cl, ip );
+ httpd_ServerIP( cl, ip, &port );
ptr = strchr( ip, '%' );
if( ptr != NULL )
*ptr = '\0';
if( strchr( ip, ':' ) != NULL )
- sprintf( control, "rtsp://[%s]:%u%s", ip, rtsp->port,
- rtsp->psz_path );
+ sprintf( control, "rtsp://[%s]:%d%s", ip, port, rtsp->psz_path );
else
- sprintf( control, "rtsp://%s:%u%s", ip, rtsp->port,
- rtsp->psz_path );
+ sprintf( control, "rtsp://%s:%d%s", ip, port, rtsp->psz_path );
}
/* */
answer->i_body = 0;
answer->p_body = NULL;
- httpd_MsgAdd( answer, "Server", "%s", PACKAGE_STRING );
+ httpd_MsgAdd( answer, "Server", "VLC/%s", VERSION );
/* Date: is always allowed, and sometimes mandatory with RTSP/2.0. */
struct tm ut;
answer->i_status = 200;
httpd_MsgAdd( answer, "Content-Type", "%s", "application/sdp" );
httpd_MsgAdd( answer, "Content-Base", "%s", control );
- answer->p_body = (uint8_t *)SDPGenerate( rtsp->owner, control );
+
+ answer->p_body = (uint8_t *) ( vod ?
+ SDPGenerateVoD( rtsp->vod_media, control ) :
+ SDPGenerate( (sout_stream_t *)owner, control ) );
if( answer->p_body != NULL )
answer->i_body = strlen( (char *)answer->p_body );
else
tpt = transport_next( tpt ) )
{
bool b_multicast = true, b_unsupp = false;
- unsigned loport = 5004, hiport = 5005; /* from RFC3551 */
+ unsigned loport = 5004, hiport; /* from RFC3551 */
/* Check transport protocol. */
/* Currently, we only support RTP/AVP over UDP */
if( b_multicast )
{
- const char *dst = id->dst;
- if( dst == NULL )
+ char dst[NI_MAXNUMERICHOST];
+ int dport, ttl;
+ if( id->mcast_fd == -1 )
continue;
+ net_GetPeerAddress(id->mcast_fd, dst, &dport);
+
+ ttl = var_InheritInteger(owner, "ttl");
+ if (ttl <= 0)
+ /* FIXME: the TTL is left to the OS default, we can
+ * only guess that it's 1. */
+ ttl = 1;
+
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;
httpd_MsgAdd( answer, "Transport",
"RTP/AVP/UDP;destination=%s;port=%u-%u;"
"ttl=%d;mode=play",
- dst, id->loport, id->hiport,
- ( id->ttl > 0 ) ? id->ttl : 1 );
+ dst, dport, dport + 1, ttl );
+ /* FIXME: this doesn't work with RTP + RTCP mux */
}
else
{
char ip[NI_MAXNUMERICHOST], src[NI_MAXNUMERICHOST];
rtsp_session_t *ses = NULL;
- rtsp_strack_t track = { id, -1, false };
- int sport;
+ int fd, sport;
+ uint32_t ssrc;
- if( httpd_ClientIP( cl, ip ) == NULL )
+ if( httpd_ClientIP( cl, ip, NULL ) == NULL )
{
answer->i_status = 500;
continue;
}
- track.fd = net_ConnectDgram( p_stream, ip, loport, -1,
- IPPROTO_UDP );
- if( track.fd == -1 )
+ fd = net_ConnectDgram( owner, ip, loport, -1,
+ IPPROTO_UDP );
+ if( fd == -1 )
{
- msg_Err( p_stream,
+ msg_Err( owner,
"cannot create RTP socket for %s port %u",
ip, loport );
answer->i_status = 500;
}
/* Ignore any unexpected incoming packet */
- setsockopt (track.fd, SOL_SOCKET, SO_RCVBUF, &(int){ 0 },
+ setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &(int){ 0 },
sizeof (int));
- net_GetSockAddress( track.fd, src, &sport );
+ net_GetSockAddress( fd, src, &sport );
vlc_mutex_lock( &rtsp->lock );
if( psz_session == NULL )
}
else
{
- /* FIXME: we probably need to remove an access out,
- * if there is already one for the same ID */
ses = RtspClientGet( rtsp, psz_session );
if( ses == NULL )
{
answer->i_status = 454;
vlc_mutex_unlock( &rtsp->lock );
+ net_Close( fd );
continue;
}
}
+ RtspClientAlive(ses);
- INSERT_ELEM( ses->trackv, ses->trackc, ses->trackc,
- track );
+ rtsp_strack_t *tr = NULL;
+ for (int i = 0; i < ses->trackc; i++)
+ {
+ if (ses->trackv[i].id == id)
+ {
+ tr = ses->trackv + i;
+ break;
+ }
+ }
+
+ if (tr == NULL)
+ {
+ /* Set up a new track */
+ rtsp_strack_t track = { .id = id,
+ .sout_id = id->sout_id,
+ .setup_fd = fd,
+ .rtp_fd = -1 };
+
+ if (vod)
+ {
+ vlc_rand_bytes (&track.seq_init,
+ sizeof (track.seq_init));
+ vlc_rand_bytes (&track.ssrc, sizeof (track.ssrc));
+ ssrc = track.ssrc;
+ }
+ else
+ ssrc = id->ssrc;
+
+ INSERT_ELEM( ses->trackv, ses->trackc, ses->trackc,
+ track );
+ }
+ else if (tr->setup_fd == -1)
+ {
+ /* The track was not SETUP, but it exists
+ * because there is a sout_id running for it */
+ tr->setup_fd = fd;
+ ssrc = tr->ssrc;
+ }
+ else
+ {
+ /* The track is already set up, and we don't
+ * support changing the transport parameters on
+ * the fly */
+ vlc_mutex_unlock( &rtsp->lock );
+ answer->i_status = 455;
+ net_Close( fd );
+ break;
+ }
vlc_mutex_unlock( &rtsp->lock );
- httpd_ServerIP( cl, ip );
+ httpd_ServerIP( cl, ip, NULL );
+ /* Specify source IP only if it is different from the
+ * RTSP control connection server address */
if( strcmp( src, ip ) )
{
- /* Specify source IP if it is different from the RTSP
- * control connection server address */
char *ptr = strchr( src, '%' );
if( ptr != NULL ) *ptr = '\0'; /* remove scope ID */
-
- httpd_MsgAdd( answer, "Transport",
- "RTP/AVP/UDP;unicast;source=%s;"
- "client_port=%u-%u;server_port=%u-%u;"
- "ssrc=%08X;mode=play",
- src, loport, loport + 1, sport,
- sport + 1, id->ssrc );
}
else
- {
- httpd_MsgAdd( answer, "Transport",
- "RTP/AVP/UDP;unicast;"
- "client_port=%u-%u;server_port=%u-%u;"
- "ssrc=%08X;mode=play",
- loport, loport + 1, sport, sport + 1,
- id->ssrc );
- }
+ src[0] = '\0';
+
+ httpd_MsgAdd( answer, "Transport",
+ "RTP/AVP/UDP;unicast%s%s;"
+ "client_port=%u-%u;server_port=%u-%u;"
+ "ssrc=%08X;mode=play",
+ src[0] ? ";source=" : "", src,
+ loport, loport + 1, sport, sport + 1, ssrc );
answer->i_status = 200;
}
answer->i_status = 200;
psz_session = httpd_MsgGet( query, "Session" );
+ int64_t start = -1, end = -1, npt;
const char *range = httpd_MsgGet (query, "Range");
- if (range && strncmp (range, "npt=", 4))
+ if (range != NULL)
{
- answer->i_status = 501;
- break;
- }
+ if (strncmp (range, "npt=", 4))
+ {
+ answer->i_status = 501;
+ break;
+ }
+
+ start = ParseNPT (range + 4);
+ range = strchr(range, '-');
+ if (range != NULL && *(range + 1))
+ end = ParseNPT (range + 1);
+
+ if (end >= 0 && end < start)
+ {
+ answer->i_status = 457;
+ break;
+ }
+ if (vod)
+ {
+ if (vod_check_range(rtsp->vod_media, psz_session,
+ start, end) != VLC_SUCCESS)
+ {
+ answer->i_status = 457;
+ break;
+ }
+ }
+ /* We accept start times of 0 even for broadcast streams
+ * that already started */
+ else if (start > 0 || end >= 0)
+ {
+ answer->i_status = 456;
+ break;
+ }
+ }
vlc_mutex_lock( &rtsp->lock );
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("url=/trackID=123;seq=65535;"
- "rtptime=4294967295, ") ) + 1];
+ char info[ses->trackc * ( strlen( control ) + TRACK_PATH_SIZE
+ + sizeof("url=;seq=65535;rtptime=4294967295, ")
+ - 1 ) + 1];
size_t infolen = 0;
- int64_t ts = rtp_get_ts( rtsp->owner );
+ RtspClientAlive(ses);
+
+ sout_stream_id_t *sout_id = NULL;
+ if (vod)
+ {
+ /* We don't keep a reference to the sout_stream_t,
+ * so we check if a sout_id is available instead. */
+ for (int i = 0; i < ses->trackc; i++)
+ {
+ sout_id = ses->trackv[i].sout_id;
+ if (sout_id != NULL)
+ break;
+ }
+ }
+ int64_t ts = rtp_get_ts(vod ? NULL : (sout_stream_t *)owner,
+ sout_id, rtsp->vod_media, psz_session,
+ vod ? NULL : &npt);
for( int i = 0; i < ses->trackc; i++ )
{
rtsp_strack_t *tr = ses->trackv + i;
if( ( id == NULL ) || ( tr->id == id ) )
{
+ if (tr->setup_fd == -1)
+ /* Track not SETUP */
+ continue;
+
uint16_t seq;
- if( !tr->playing )
+ if( tr->rtp_fd == -1 )
{
- tr->playing = true;
- rtp_add_sink( tr->id->sout_id, tr->fd, false,
- &seq );
+ /* Track not PLAYing yet */
+ if (tr->sout_id == NULL)
+ /* Instance not running yet (VoD) */
+ seq = tr->seq_init;
+ else
+ {
+ /* Instance running, add a sink to it */
+ tr->rtp_fd = dup_socket(tr->setup_fd);
+ if (tr->rtp_fd == -1)
+ continue;
+
+ rtp_add_sink( tr->sout_id, tr->rtp_fd,
+ false, &seq );
+ }
}
else
- seq = rtp_get_seq( tr->id->sout_id );
+ {
+ /* Track already playing */
+ assert( tr->sout_id != NULL );
+ seq = rtp_get_seq( tr->sout_id );
+ }
char *url = RtspAppendTrackPath( tr->id, control );
infolen += sprintf( info + infolen,
"url=%s;seq=%u;rtptime=%u, ",
url != NULL ? url : "", seq,
- rtp_compute_ts( tr->id->sout_id, ts ) );
+ rtp_compute_ts( tr->id->clock_rate, ts ) );
free( url );
}
}
info[infolen - 2] = '\0'; /* remove trailing ", " */
httpd_MsgAdd( answer, "RTP-Info", "%s", info );
}
+ if (vod)
+ {
+ vod_play(rtsp->vod_media, psz_session, &start, end);
+ npt = start;
+ }
}
vlc_mutex_unlock( &rtsp->lock );
+ if (ses != NULL)
+ {
+ double f_npt = (double) npt / CLOCK_FREQ;
+ httpd_MsgAdd( answer, "Range", "npt=%f-", f_npt );
+ }
+
if( httpd_MsgGet( query, "Scale" ) != NULL )
httpd_MsgAdd( answer, "Scale", "1." );
break;
}
case HTTPD_MSG_PAUSE:
- answer->i_status = 405;
- httpd_MsgAdd( answer, "Allow",
- "%s, TEARDOWN, PLAY, GET_PARAMETER",
- ( id != NULL ) ? "SETUP" : "DESCRIBE" );
+ {
+ if (id == NULL && !vod)
+ {
+ answer->i_status = 405;
+ httpd_MsgAdd( answer, "Allow",
+ "%s, TEARDOWN, PLAY, GET_PARAMETER",
+ ( id != NULL ) ? "SETUP" : "DESCRIBE" );
+ break;
+ }
+
+ rtsp_session_t *ses;
+ answer->i_status = 200;
+ psz_session = httpd_MsgGet( query, "Session" );
+ vlc_mutex_lock( &rtsp->lock );
+ ses = RtspClientGet( rtsp, psz_session );
+ if (ses != NULL)
+ {
+ if (id == NULL)
+ {
+ assert(vod);
+ int64_t npt;
+ vod_pause(rtsp->vod_media, psz_session, &npt);
+ double f_npt = (double) npt / CLOCK_FREQ;
+ httpd_MsgAdd( answer, "Range", "npt=%f-", f_npt );
+ }
+ else /* "Mute" the selected track */
+ {
+ bool found = false;
+ for (int i = 0; i < ses->trackc; i++)
+ {
+ rtsp_strack_t *tr = ses->trackv + i;;
+ if (tr->id == id)
+ {
+ if (tr->setup_fd == -1)
+ break;
+
+ found = true;
+ if (tr->rtp_fd != -1)
+ {
+ rtp_del_sink(tr->sout_id, tr->rtp_fd);
+ tr->rtp_fd = -1;
+ }
+ break;
+ }
+ }
+ if (!found)
+ answer->i_status = 455;
+ }
+ RtspClientAlive(ses);
+ }
+ vlc_mutex_unlock( &rtsp->lock );
break;
+ }
case HTTPD_MSG_GETPARAMETER:
if( query->i_body > 0 )
psz_session = httpd_MsgGet( query, "Session" );
answer->i_status = 200;
+ vlc_mutex_lock( &rtsp->lock );
+ rtsp_session_t *ses = RtspClientGet( rtsp, psz_session );
+ if (ses != NULL)
+ RtspClientAlive(ses);
+ vlc_mutex_unlock( &rtsp->lock );
break;
case HTTPD_MSG_TEARDOWN:
if( ses != NULL )
{
if( id == NULL ) /* Delete the entire session */
+ {
RtspClientDel( rtsp, ses );
+ if (vod)
+ vod_stop(rtsp->vod_media, psz_session);
+ RtspUpdateTimer(rtsp);
+ }
else /* Delete one track from the session */
- for( int i = 0; i < ses->trackc; i++ )
{
- if( ses->trackv[i].id == id )
+ for( int i = 0; i < ses->trackc; i++ )
{
- rtp_del_sink( id->sout_id, ses->trackv[i].fd );
- REMOVE_ELEM( ses->trackv, ses->trackc, i );
+ if( ses->trackv[i].id == id )
+ {
+ RtspTrackClose( &ses->trackv[i] );
+ /* Keep VoD tracks whose instance is still
+ * running */
+ if (!(vod && ses->trackv[i].sout_id != NULL))
+ REMOVE_ELEM( ses->trackv, ses->trackc, i );
+ }
}
+ RtspClientAlive(ses);
}
}
vlc_mutex_unlock( &rtsp->lock );
}
if( psz_session )
- httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
+ {
+ if (rtsp->timeout > 0)
+ httpd_MsgAdd( answer, "Session", "%s;timeout=%d", psz_session,
+ rtsp->timeout );
+ else
+ httpd_MsgAdd( answer, "Session", "%s", psz_session );
+ }
httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
httpd_MsgAdd( answer, "Cache-Control", "no-cache" );
projects / vlc / blobdiff