#include <assert.h>
#include <errno.h>
#include <stdlib.h>
+#include <time.h>
#ifndef WIN32
# include <locale.h>
httpd_url_t *url;
char *psz_path;
unsigned track_id;
- unsigned port;
int sessionc;
rtsp_session_t **sessionv;
static void RtspTimeOut( void *data );
rtsp_stream_t *RtspSetup( vlc_object_t *owner, vod_media_t *media,
- const vlc_url_t *url )
+ const char *path )
{
rtsp_stream_t *rtsp = malloc( sizeof( *rtsp ) );
- if( rtsp == NULL || ( url->i_port > 99999 ) )
+ if( rtsp == NULL )
{
free( rtsp );
return NULL;
goto error;
}
- rtsp->port = (url->i_port > 0) ? url->i_port : 554;
- rtsp->psz_path = strdup( ( url->psz_path != NULL ) ? url->psz_path : "/" );
+ rtsp->psz_path = strdup( (path != NULL) ? path : "/" );
if( rtsp->psz_path == NULL )
goto error;
- msg_Dbg( owner, "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(owner), url->psz_host,
- rtsp->port );
+ rtsp->host = vlc_rtsp_HostNew( VLC_OBJECT(owner) );
if( rtsp->host == NULL )
goto error;
- rtsp->url = httpd_UrlNewUnique( rtsp->host, rtsp->psz_path,
- NULL, NULL, NULL );
+ char *user = var_InheritString(owner, "sout-rtsp-user");
+ char *pwd = var_InheritString(owner, "sout-rtsp-pwd");
+
+ rtsp->url = httpd_UrlNew( rtsp->host, rtsp->psz_path, user, pwd );
+ free(user);
+ free(pwd);
if( rtsp->url == NULL )
goto error;
{
rtsp_stream_t *stream;
sout_stream_id_t *sout_id;
- unsigned clock_rate; /* needed to compute rtptime in RTP-Info */
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 */
- bool vod_started; /* true if the VoD media instance was created */
/* output (id-access) */
int trackc;
{
rtsp_stream_id_t *id;
sout_stream_id_t *sout_id;
- int setup_fd; /* socket created by the SETUP request */
- int rtp_fd; /* socket used by the RTP output */
+ 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;
- bool playing;
};
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 )
{
const char *sep = strlen( base ) > 0 && base[strlen( base ) - 1] == '/' ?
rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid,
uint32_t ssrc, unsigned clock_rate,
- /* Multicast stuff - TODO: cleanup */
- const char *dst, int ttl,
- unsigned loport, unsigned hiport )
+ 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->track_id = rtsp->track_id;
id->ssrc = ssrc;
id->clock_rate = clock_rate;
- /* 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->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_UrlNew( rtsp->host, urlbuf, user, pwd );
+ free( user );
+ free( pwd );
free( urlbuf );
if( url == NULL )
s->stream = rtsp;
vlc_rand_bytes (&s->id, sizeof (s->id));
- s->vod_started = false;
s->trackc = 0;
s->trackv = NULL;
RtspUpdateTimer(session->stream);
}
+static int dup_socket(int oldfd)
+{
+ int newfd;
+#ifndef WIN32
+ 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 */
if (session == NULL)
goto out;
- for (int i = 0; session->trackc; i++)
+ rtsp_strack_t *tr = NULL;
+ for (int i = 0; i < session->trackc; i++)
{
- rtsp_strack_t *tr = session->trackv + i;
- if (tr->id == id)
+ if (session->trackv[i].id == id)
{
- int rtp_fd;
-#if !defined(WIN32) || defined(UNDER_CE)
- rtp_fd = vlc_dup(tr->setup_fd);
-#else
- WSAPROTOCOL_INFO info;
- WSADuplicateSocket (tr->setup_fd, GetCurrentProcessId (), &info);
- rtp_fd = WSASocket (info.iAddressFamily, info.iSocketType,
- info.iProtocol, &info, 0, 0);
-#endif
- if (rtp_fd == -1)
- break;
-
- /* Ignore any unexpected incoming packet */
- /* XXX: is this needed again? */
- setsockopt (rtp_fd, SOL_SOCKET, SO_RCVBUF, &(int){ 0 },
- sizeof (int));
-
- uint16_t seq;
- *ssrc = ntohl(tr->ssrc);
- *seq_init = tr->seq_init;
- rtp_add_sink(sout_id, 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);
-
- tr->rtp_fd = rtp_fd;
- tr->sout_id = sout_id;
- tr->playing = true;
-
- val = VLC_SUCCESS;
+ 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;
if (session == NULL)
goto out;
- for (int i = 0; session->trackc; i++)
+ 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;
- tr->playing = false;
- rtp_del_sink(sout_id, tr->rtp_fd);
break;
}
}
/** rtsp must be locked */
static void RtspTrackClose( rtsp_strack_t *tr )
{
- if (tr->sout_id != NULL)
- rtp_del_sink(tr->sout_id, tr->rtp_fd);
- /* rtp_fd is duplicated from setup_fd only in VoD mode. */
- if (tr->id->stream->vod_media != NULL)
+ 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;
+ }
}
sec += ((hour * 60) + min) * 60;
else
if (sscanf (str, "%f", &sec) != 1)
- sec = 0.;
+ sec = -1;
if (loc != (locale_t)0)
{
uselocale (oldloc);
freelocale (loc);
}
- return sec * CLOCK_FREQ;
+ return sec < 0 ? -1 : sec * CLOCK_FREQ;
}
{
/* 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 );
}
/* */
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 */
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
{
int fd, sport;
uint32_t ssrc;
- if( httpd_ClientIP( cl, ip ) == NULL )
+ if( httpd_ClientIP( cl, ip, NULL ) == NULL )
{
answer->i_status = 500;
continue;
sizeof (int));
net_GetSockAddress( fd, src, &sport );
- rtsp_strack_t track = { .id = id, .sout_id = id->sout_id,
- .setup_fd = fd, .playing = false };
-
- if (vod)
- {
- vlc_rand_bytes (&track.seq_init, sizeof (track.seq_init));
- vlc_rand_bytes (&track.ssrc, sizeof (track.ssrc));
- ssrc = track.ssrc;
- }
- else
- {
- track.rtp_fd = track.setup_fd;
- ssrc = id->ssrc;
- }
-
vlc_mutex_lock( &rtsp->lock );
if( psz_session == NULL )
{
}
RtspClientAlive(ses);
- /* Bail if the track is already set up: we don't
- * support changing the transport parameters on the
- * fly */
- bool setup = false;
+ rtsp_strack_t *tr = NULL;
for (int i = 0; i < ses->trackc; i++)
{
if (ses->trackv[i].id == id)
{
- setup = true;
+ tr = ses->trackv + i;
break;
}
}
- if (setup)
+
+ 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;
}
-
- INSERT_ELEM( ses->trackv, ses->trackc, ses->trackc,
- track );
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, 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,
- 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 != NULL && 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;
RtspClientAlive(ses);
if (vod)
{
/* We don't keep a reference to the sout_stream_t,
- * so we check if a sout_id is available instead.
- * FIXME: this is broken if the stream is still
- * running but with no track set up; but this case
- * is already broken anyway (see below). */
+ * 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;
}
}
int64_t ts = rtp_get_ts(vod ? NULL : (sout_stream_t *)owner,
- sout_id, rtsp->vod_media, psz_session);
+ 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 )
{
- if (vod)
- /* TODO: if the RTP stream output is already
- * started, it won't pick up newly set-up
- * tracks, so we need to call rtp_add_sink()
- * or something. */
+ /* Track not PLAYing yet */
+ if (tr->sout_id == NULL)
+ /* Instance not running yet (VoD) */
seq = tr->seq_init;
else
{
- tr->playing = true;
+ /* 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
{
+ /* Track already playing */
assert( tr->sout_id != NULL );
seq = rtp_get_seq( tr->sout_id );
}
info[infolen - 2] = '\0'; /* remove trailing ", " */
httpd_MsgAdd( answer, "RTP-Info", "%s", info );
}
+ }
+ vlc_mutex_unlock( &rtsp->lock );
+
+ if (ses != NULL)
+ {
if (vod)
{
- /* TODO: fix that crap, this is barely RTSP */
- if (!ses->vod_started)
- {
- vod_start(rtsp->vod_media, psz_session);
- ses->vod_started = true;
- }
- else
- {
- if (range != NULL)
- {
- int64_t time = ParseNPT (range + 4);
- vod_seek(rtsp->vod_media, psz_session, time);
- }
- /* This is the thing to do to unpause... */
- vod_start(rtsp->vod_media, psz_session);
- }
+ vod_play(rtsp->vod_media, psz_session, &start, end);
+ npt = start;
}
+
+ double f_npt = (double) npt / CLOCK_FREQ;
+ httpd_MsgAdd( answer, "Range", "npt=%f-", f_npt );
}
- vlc_mutex_unlock( &rtsp->lock );
if( httpd_MsgGet( query, "Scale" ) != NULL )
httpd_MsgAdd( answer, "Scale", "1." );
case HTTPD_MSG_PAUSE:
{
- if (!vod)
+ if (id == NULL && !vod)
{
answer->i_status = 405;
httpd_MsgAdd( answer, "Allow",
ses = RtspClientGet( rtsp, psz_session );
if (ses != NULL)
{
- vod_pause(rtsp->vod_media, psz_session);
+ if (id != NULL) /* "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 );
+
+ if (ses != NULL && id == NULL)
+ {
+ assert(vod);
+ int64_t npt = 0;
+ vod_pause(rtsp->vod_media, psz_session, &npt);
+ double f_npt = (double) npt / CLOCK_FREQ;
+ httpd_MsgAdd( answer, "Range", "npt=%f-", f_npt );
+ }
break;
}
if( ses->trackv[i].id == id )
{
RtspTrackClose( &ses->trackv[i] );
- REMOVE_ELEM( ses->trackv, ses->trackc, 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);
projects / vlc / blobdiff