]> git.sesse.net Git - vlc/blobdiff - modules/misc/rtsp.c
Fix a bunch of gcc warnings
[vlc] / modules / misc / rtsp.c
index 8b407911be1a37d3accd6af33fbed6165fc77982..0bd6638ae4f7991544d560fdfbe3cf4833589036 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * rtsp.c: rtsp VoD server module
  *****************************************************************************
- * Copyright (C) 2003-2004 the VideoLAN team
+ * Copyright (C) 2003-2006 the VideoLAN team
  * $Id$
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
@@ -25,6 +25,7 @@
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
+#define _GNU_SOURCE
 #include <stdlib.h>
 
 #include <errno.h>
@@ -35,7 +36,9 @@
 
 #include "vlc_httpd.h"
 #include "vlc_vod.h"
+#include "vlc_url.h"
 #include "network.h"
+#include "charset.h"
 
 /*****************************************************************************
  * Module descriptor
 static int  Open ( vlc_object_t * );
 static void Close( vlc_object_t * );
 
-#define HOST_TEXT N_( "Host address" )
+#define HOST_TEXT N_( "RTSP host address" )
+/// \bug [String] extra space
 #define HOST_LONGTEXT N_( \
-    "You can set the address, port and path the rtsp interface will bind to." \
-    "\nSyntax is address:port/path. Default is to bind to any address "\
-    "on port 554, with no path." )
+    "This defines the address, port and path the RTSP VOD server will listen " \
+    "on.\nSyntax is address:port/path. The default is to listen on all "\
+    "interfaces (address 0.0.0.0), on port 554, with no path.\n To listen " \
+    "only on the local interface, use \"localhost\" as address." )
+
+#define THROTLE_TEXT N_( "Maximum number of connections" )
+#define THROTLE_LONGTEXT N_( "This limits the maximum number of clients " \
+    "that can connect to the RTSP VOD. 0 means no limit."  )
+
+#define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
+
 vlc_module_begin();
     set_shortname( _("RTSP VoD" ) );
     set_description( _("RTSP VoD server") );
@@ -57,6 +69,9 @@ vlc_module_begin();
     set_callbacks( Open, Close );
     add_shortcut( "rtsp" );
     add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE );
+    add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT, RAWMUX_TEXT, VLC_TRUE );
+    add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT,
+                                           THROTLE_LONGTEXT, VLC_TRUE );
 vlc_module_end();
 
 /*****************************************************************************
@@ -111,7 +126,8 @@ struct vod_media_t
 
     /* RTSP server */
     httpd_url_t  *p_rtsp_url;
-    char         *psz_rtsp_control_v4, *psz_rtsp_control_v6;
+    char         *psz_rtsp_control_v4;
+    char         *psz_rtsp_control_v6;
     char         *psz_rtsp_path;
 
     int  i_port;
@@ -131,6 +147,7 @@ struct vod_media_t
     int        i_es;
     media_es_t **es;
     char       *psz_mux;
+    vlc_bool_t  b_raw;
 
     /* RTSP client */
     int           i_rtsp;
@@ -150,6 +167,10 @@ struct vod_sys_t
     httpd_host_t *p_rtsp_host;
     char *psz_path;
     int i_port;
+    int i_throttle_users;
+    int i_connections;
+
+    char *psz_raw_mux;
 
     /* List of media */
     int i_media;
@@ -205,11 +226,19 @@ static int Open( vlc_object_t *p_this )
     if( !p_sys ) goto error;
     p_sys->p_rtsp_host = 0;
 
+    var_Create( p_this, "rtsp-throttle-users", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+    p_sys->i_throttle_users = var_GetInteger( p_this, "rtsp-throtle-users" );
+    msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
+    p_sys->i_connections = 0;
+
+    var_Create( p_this, "rtsp-raw-mux", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+    p_sys->psz_raw_mux = var_GetString( p_this, "rtsp-raw-mux" );
+
     p_sys->p_rtsp_host =
         httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
     if( !p_sys->p_rtsp_host )
     {
-        msg_Err( p_vod, "cannot create http server (%s:%i)",
+        msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
                  url.psz_host, url.i_port );
         goto error;
     }
@@ -218,7 +247,7 @@ static int Open( vlc_object_t *p_this )
     p_sys->i_port = url.i_port;
 
     vlc_UrlClean( &url );
-    p_sys->media = 0;
+    p_sys->media = NULL;
     p_sys->i_media = 0;
 
     p_vod->pf_media_new = MediaNew;
@@ -228,11 +257,12 @@ static int Open( vlc_object_t *p_this )
 
     return VLC_SUCCESS;
 
- error:
-
+error:
     if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
+    if( p_sys && p_sys->psz_raw_mux ) free( p_sys->psz_raw_mux );
     if( p_sys ) free( p_sys );
     vlc_UrlClean( &url );
+
     return VLC_EGENERIC;
 }
 
@@ -245,9 +275,12 @@ static void Close( vlc_object_t * p_this )
     vod_sys_t *p_sys = p_vod->p_sys;
 
     httpd_HostDelete( p_sys->p_rtsp_host );
+    var_Destroy( p_this, "rtsp-throttle-users" );
+    var_Destroy( p_this, "rtsp-raw-mux" );
 
     /* TODO delete medias */
     free( p_sys->psz_path );
+    free( p_sys->psz_raw_mux );
     free( p_sys );
 }
 
@@ -271,6 +304,7 @@ static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
     p_media->es = 0;
     p_media->psz_mux = 0;
     p_media->rtsp = 0;
+    p_media->b_raw = VLC_FALSE;
 
     asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
     p_media->p_rtsp_url =
@@ -279,27 +313,31 @@ static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
 
     if( !p_media->p_rtsp_url )
     {
-        msg_Err( p_vod, "cannot create http url (%s)", p_media->psz_rtsp_path);
+        msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
         free( p_media->psz_rtsp_path );
         free( p_media );
         return NULL;
     }
 
-    msg_Dbg( p_vod, "created rtsp url: %s", p_media->psz_rtsp_path );
+    msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
 
     asprintf( &p_media->psz_rtsp_control_v4,
-               "a=control:rtsp://%%s:%d%s/trackid=%%d\r\n",
+               "a=control:rtsp://%%s:%d%s/trackID=%%d\r\n",
                p_sys->i_port, p_media->psz_rtsp_path );
     asprintf( &p_media->psz_rtsp_control_v6,
-               "a=control:rtsp://[%%s]:%d%s/trackid=%%d\r\n",
+               "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n",
               p_sys->i_port, p_media->psz_rtsp_path );
 
+    httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
+                    RtspCallback, (void*)p_media );
     httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
                     RtspCallback, (void*)p_media );
     httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
                     RtspCallback, (void*)p_media );
     httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
                     RtspCallback, (void*)p_media );
+    httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
+                    RtspCallback, (void*)p_media );
     httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
                     RtspCallback, (void*)p_media );
 
@@ -366,109 +404,113 @@ static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
     p_media->psz_mux = NULL;
 
     /* TODO: update SDP, etc... */
-    asprintf( &psz_urlc, "%s/trackid=%d",
+    asprintf( &psz_urlc, "%s/trackID=%d",
               p_media->psz_rtsp_path, p_media->i_es );
     msg_Dbg( p_vod, "  - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
 
     switch( p_fmt->i_codec )
     {
-    case VLC_FOURCC( 's', '1', '6', 'b' ):
-        if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
-        {
-            p_es->i_payload_type = 11;
-        }
-        else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
-        {
-            p_es->i_payload_type = 10;
-        }
-        else
-        {
+        case VLC_FOURCC( 's', '1', '6', 'b' ):
+            if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
+            {
+                p_es->i_payload_type = 11;
+            }
+            else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
+            {
+                p_es->i_payload_type = 10;
+            }
+            else
+            {
+                p_es->i_payload_type = p_media->i_payload_type++;
+            }
+            p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
+            sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
+                    p_fmt->audio.i_channels );
+            break;
+        case VLC_FOURCC( 'u', '8', ' ', ' ' ):
             p_es->i_payload_type = p_media->i_payload_type++;
-        }
+            p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
+            sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
+                    p_fmt->audio.i_channels );
+            break;
+        case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
+            p_es->i_payload_type = 14;
+            p_es->psz_rtpmap = strdup( "MPA/90000" );
+            break;
+        case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
+            p_es->i_payload_type = 32;
+            p_es->psz_rtpmap = strdup( "MPV/90000" );
+            break;
+        case VLC_FOURCC( 'a', '5', '2', ' ' ):
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = strdup( "ac3/90000" );
+            break;
+        case VLC_FOURCC( 'H', '2', '6', '3' ):
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = strdup( "H263-1998/90000" );
+            break;
+        case VLC_FOURCC( 'h', '2', '6', '4' ):
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = strdup( "H264/90000" );
+            p_es->psz_fmtp = strdup( "packetization-mode=1" );
+            break;
+        case VLC_FOURCC( 'm', 'p', '4', 'v' ):
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
+            if( p_fmt->i_extra > 0 )
+            {
+                char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
+                p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
+                sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
+                sprintf( p_es->psz_fmtp,
+                        "profile-level-id=3; config=%s;", p_hexa );
+                free( p_hexa );
+            }
+            break;
+        case VLC_FOURCC( 'm', 'p', '4', 'a' ):
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
+            sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
+            if( p_fmt->i_extra > 0 )
+            {
+                char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
+                p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
+                sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
+                sprintf( p_es->psz_fmtp,
+                        "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
+                        "config=%s; SizeLength=13;IndexLength=3; "
+                        "IndexDeltaLength=3; Profile=1;", p_hexa );
+                free( p_hexa );
+            }
+            break;
+        case VLC_FOURCC( 'm', 'p', '2', 't' ):
+            p_media->psz_mux = "ts";
+            p_es->i_payload_type = 33;
+            p_es->psz_rtpmap = strdup( "MP2T/90000" );
+            break;
+        case VLC_FOURCC( 'm', 'p', '2', 'p' ):
+            p_media->psz_mux = "ps";
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = strdup( "MP2P/90000" );
+            break;
+        case VLC_FOURCC( 's', 'a', 'm', 'r' ):
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
+                                    "AMR/8000/2" : "AMR/8000" );
+            p_es->psz_fmtp = strdup( "octet-align=1" );
+            break;
+        case VLC_FOURCC( 's', 'a', 'w', 'b' ):
+            p_es->i_payload_type = p_media->i_payload_type++;
+            p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
+                                    "AMR-WB/16000/2" : "AMR-WB/16000" );
+            p_es->psz_fmtp = strdup( "octet-align=1" );
+            break;
 
-        p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
-        sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
-                 p_fmt->audio.i_channels );
-        break;
-    case VLC_FOURCC( 'u', '8', ' ', ' ' ):
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
-        sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
-                 p_fmt->audio.i_channels );
-        break;
-    case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
-        p_es->i_payload_type = 14;
-        p_es->psz_rtpmap = strdup( "MPA/90000" );
-        break;
-    case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
-        p_es->i_payload_type = 32;
-        p_es->psz_rtpmap = strdup( "MPV/90000" );
-        break;
-    case VLC_FOURCC( 'a', '5', '2', ' ' ):
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = strdup( "ac3/90000" );
-        break;
-    case VLC_FOURCC( 'H', '2', '6', '3' ):
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = strdup( "H263-1998/90000" );
-        break;
-    case VLC_FOURCC( 'm', 'p', '4', 'v' ):
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
-        if( p_fmt->i_extra > 0 )
-        {
-            char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
-            p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
-            sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
-            sprintf( p_es->psz_fmtp,
-                     "profile-level-id=3; config=%s;", p_hexa );
-            free( p_hexa );
-        }
-        break;
-    case VLC_FOURCC( 'm', 'p', '4', 'a' ):
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
-        sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
-        if( p_fmt->i_extra > 0 )
-        {
-            char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
-            p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
-            sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
-            sprintf( p_es->psz_fmtp,
-                     "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
-                     "config=%s; SizeLength=13;IndexLength=3; "
-                     "IndexDeltaLength=3; Profile=1;", p_hexa );
-            free( p_hexa );
-        }
-        break;
-    case VLC_FOURCC( 'm', 'p', '2', 't' ):
-        p_media->psz_mux = "ts";
-        p_es->i_payload_type = 33;
-        p_es->psz_rtpmap = strdup( "MP2T/90000" );
-        break;
-    case VLC_FOURCC( 'm', 'p', '2', 'p' ):
-        p_media->psz_mux = "ps";
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = strdup( "MP2P/90000" );
-        break;
-    case VLC_FOURCC( 's', 'a', 'm', 'r' ):
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
-                                   "AMR/8000/2" : "AMR/8000" );
-        p_es->psz_fmtp = strdup( "octet-align=1" );
-        break; 
-    case VLC_FOURCC( 's', 'a', 'w', 'b' ):
-        p_es->i_payload_type = p_media->i_payload_type++;
-        p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
-                                   "AMR-WB/16000/2" : "AMR-WB/16000" );
-        p_es->psz_fmtp = strdup( "octet-align=1" );
-        break; 
-
-    default:
-        msg_Err( p_vod, "cannot add this stream (unsupported "
-                 "codec: %4.4s)", (char*)&p_fmt->i_codec );
-        free( p_es );
-        return VLC_EGENERIC;
+        default:
+            msg_Err( p_vod, "cannot add this stream (unsupported "
+                    "codec: %4.4s)", (char*)&p_fmt->i_codec );
+            free( p_es );
+            return VLC_EGENERIC;
     }
 
     p_es->p_rtsp_url =
@@ -477,7 +519,7 @@ static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
 
     if( !p_es->p_rtsp_url )
     {
-        msg_Err( p_vod, "cannot create http url (%s)", psz_urlc );
+        msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
         free( psz_urlc );
         free( p_es );
         return VLC_EGENERIC;
@@ -571,13 +613,17 @@ static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
 {
     rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
+
+    if( !p_rtsp ) return NULL;
     memset( p_rtsp, 0, sizeof(rtsp_client_t) );
     p_rtsp->es = 0;
 
     p_rtsp->psz_session = psz_session;
     TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
 
-    msg_Dbg( p_media->p_vod, "new session: %s", psz_session );
+    p_media->p_vod->p_sys->i_connections++;
+    msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
+             psz_session, p_media->p_vod->p_sys->i_throttle_users );
 
     return p_rtsp;
 }
@@ -599,7 +645,9 @@ static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session )
 
 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
 {
-    msg_Dbg( p_media->p_vod, "closing session: %s", p_rtsp->psz_session );
+    p_media->p_vod->p_sys->i_connections--;
+    msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
+             p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
 
     while( p_rtsp->i_es-- )
     {
@@ -620,41 +668,120 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
 {
     vod_media_t *p_media = (vod_media_t*)p_args;
     vod_t *p_vod = p_media->p_vod;
+    char *psz_transport = NULL;
+    char *psz_playnow = NULL; /* support option: x-playNow */
     char *psz_session = NULL;
+    char *psz_cseq = NULL;
     rtsp_client_t *p_rtsp;
+    int i_port = 0;
+    int i_cseq = 0;
 
     if( answer == NULL || query == NULL ) return VLC_SUCCESS;
 
-    msg_Info( p_vod, "RtspCallback query: type=%d\n", query->i_type );
+    msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
 
     answer->i_proto   = HTTPD_PROTO_RTSP;
     answer->i_version = query->i_version;
     answer->i_type    = HTTPD_MSG_ANSWER;
+    answer->i_body    = 0;
+    answer->p_body      = NULL;
 
     switch( query->i_type )
     {
-        case HTTPD_MSG_DESCRIBE:
+        case HTTPD_MSG_SETUP:
         {
-            char *psz_sdp =
-                SDPGenerate( p_media, cl );
+            psz_playnow = httpd_MsgGet( query, "x-playNow" );
+            psz_transport = httpd_MsgGet( query, "Transport" );
+            msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
 
-            if( psz_sdp != NULL )
+            if( strstr( psz_transport, "unicast" ) &&
+                strstr( psz_transport, "client_port=" ) )
             {
+                rtsp_client_t *p_rtsp;
+                char ip[NI_MAXNUMERICHOST];
+                i_port = atoi( strstr( psz_transport, "client_port=" ) +
+                                strlen("client_port=") );
+
+                if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
+                    strstr( psz_transport, "RAW/RAW/UDP" ) )
+                {
+                    p_media->psz_mux = p_vod->p_sys->psz_raw_mux;
+                    p_media->b_raw = VLC_TRUE;
+                }
+
+                if( httpd_ClientIP( cl, ip ) == NULL )
+                {
+                    answer->i_status = 500;
+                    answer->psz_status = strdup( "Internal server error" );
+                    answer->i_body = 0;
+                    answer->p_body = NULL;
+                    break;
+                }
+
+                msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
+                         ip, i_port );
+
+                psz_session = httpd_MsgGet( query, "Session" );
+                if( !psz_session || !*psz_session )
+                {
+                    if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
+                        ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
+                    {
+                        answer->i_status = 503;
+                        answer->psz_status = strdup( "Too many connections" );
+                        answer->i_body = 0;
+                        answer->p_body = NULL;
+                        break;
+                    }
+                    asprintf( &psz_session, "%d", rand() );
+                    p_rtsp = RtspClientNew( p_media, psz_session );
+                }
+                else
+                {
+                    p_rtsp = RtspClientGet( p_media, psz_session );
+                    if( !p_rtsp )
+                    {
+                        answer->i_status = 454;
+                        answer->psz_status = strdup( "Unknown session id" );
+                        answer->i_body = 0;
+                        answer->p_body = NULL;
+                        break;
+                    }
+                }
+
                 answer->i_status = 200;
                 answer->psz_status = strdup( "OK" );
-                httpd_MsgAdd( answer, "Content-type",  "%s", "application/sdp" );
+                answer->i_body = 0;
+                answer->p_body = NULL;
 
-                answer->p_body = (uint8_t *)psz_sdp;
-                answer->i_body = strlen( psz_sdp );
+                if( p_media->b_raw )
+                {
+                    if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
+                    {
+                        httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
+                                      i_port, i_port + 1 );
+                    }
+                    else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
+                    {
+                        httpd_MsgAdd( answer, "Transport", "RAW/RAW/UDP;client_port=%d-%d",
+                                      i_port, i_port + 1 );
+                    }
+                }
+                else
+                    httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
+                                  i_port, i_port + 1 );
             }
-            else
+            else /* TODO  strstr( psz_transport, "interleaved" ) ) */
             {
-                answer->i_status = 500;
-                answer->psz_status = strdup( "Internal server error" );
-                answer->p_body = NULL;
+                answer->i_status = 461;
+                answer->psz_status = strdup( "Unsupported Transport" );
                 answer->i_body = 0;
+                answer->p_body = NULL;
             }
-            break;
+
+            /* Intentional fall-through on x-playNow option in RTSP request */
+            if( !psz_playnow )
+                break;
         }
 
         case HTTPD_MSG_PLAY:
@@ -663,17 +790,76 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             int i, i_port_audio = 0, i_port_video = 0;
 
             /* for now only multicast so easy */
-            answer->i_status = 200;
-            answer->psz_status = strdup( "OK" );
-            answer->i_body = 0;
-            answer->p_body = NULL;
+            if( !psz_playnow )
+            {
+                answer->i_status = 200;
+                answer->psz_status = strdup( "OK" );
+                answer->i_body = 0;
+                answer->p_body = NULL;
+            }
 
-            psz_session = httpd_MsgGet( query, "Session" );
+            if( !psz_session )
+                psz_session = httpd_MsgGet( query, "Session" );
             msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
 
             p_rtsp = RtspClientGet( p_media, psz_session );
             if( !p_rtsp ) break;
 
+            if( p_rtsp->b_playing )
+            {
+                char *psz_position = httpd_MsgGet( query, "Range" );
+                char *psz_scale = httpd_MsgGet( query, "Scale" );
+                if( psz_position ) psz_position = strstr( psz_position, "npt=" );
+                if( psz_position && !psz_scale )
+                {
+                    double f_pos;
+                    char *end;
+
+                    msg_Dbg( p_vod, "seeking request: %s", psz_position );
+                    psz_position += 4;
+                    /* FIXME: npt= is not necessarily formatted as a float */
+                    f_pos = us_strtod( psz_position, &end );
+                    if( end > psz_position )
+                    {
+                        f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
+                        vod_MediaControl( p_vod, p_media, psz_session,
+                                      VOD_MEDIA_SEEK, f_pos );
+                    }
+                    break;
+                }
+                if( psz_scale )
+                {
+                    double f_scale = 0.0;
+                    char *end;
+
+                    f_scale = us_strtod( psz_scale, &end );
+                    if( end > psz_scale )
+                    {
+                        f_scale = (f_scale * 30.0);
+                        if( psz_scale[0] == '-' ) /* rewind */
+                        {
+                            msg_Dbg( p_vod, "rewind request: %s", psz_scale );
+                            vod_MediaControl( p_vod, p_media, psz_session,
+                                                VOD_MEDIA_REWIND, f_scale );
+                        }
+                        else if(psz_scale[0] != '1' ) /* fast-forward */
+                        {
+                            msg_Dbg( p_vod, "fastforward request: %s", psz_scale );
+                            vod_MediaControl( p_vod, p_media, psz_session,
+                                                VOD_MEDIA_FORWARD, f_scale );
+                        }
+
+                        if( p_rtsp->b_paused == VLC_TRUE )
+                        {
+                            p_rtsp->b_paused = VLC_FALSE;
+                            vod_MediaControl( p_vod, p_media, psz_session,
+                                                VOD_MEDIA_PAUSE, psz_output );
+                        }
+                    }
+                    break;
+                }
+            }
+
             if( p_rtsp->b_playing && p_rtsp->b_paused )
             {
                 vod_MediaControl( p_vod, p_media, psz_session,
@@ -698,8 +884,16 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
 
             if( p_media->psz_mux )
             {
-                asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
-                          ip, i_port_video, p_media->psz_mux );
+                if( p_media->b_raw )
+                {
+                    asprintf( &psz_output, "std{access=udp,dst=%s:%i,mux=%s}",
+                              ip, i_port, p_media->psz_mux );
+                }
+                else
+                {
+                    asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
+                              ip, i_port_video, p_media->psz_mux );
+                }
             }
             else
             {
@@ -713,6 +907,30 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             break;
         }
 
+        case HTTPD_MSG_DESCRIBE:
+        {
+            char *psz_sdp =
+                SDPGenerate( p_media, cl );
+
+            if( psz_sdp != NULL )
+            {
+                answer->i_status = 200;
+                answer->psz_status = strdup( "OK" );
+                httpd_MsgAdd( answer, "Content-type",  "%s", "application/sdp" );
+
+                answer->p_body = (uint8_t *)psz_sdp;
+                answer->i_body = strlen( psz_sdp );
+            }
+            else
+            {
+                answer->i_status = 500;
+                answer->psz_status = strdup( "Internal server error" );
+                answer->p_body = NULL;
+                answer->i_body = 0;
+            }
+            break;
+        }
+
         case HTTPD_MSG_PAUSE:
             psz_session = httpd_MsgGet( query, "Session" );
             msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
@@ -746,14 +964,22 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             RtspClientDel( p_media, p_rtsp );
             break;
 
+        case HTTPD_MSG_GETPARAMETER:
+            answer->i_status = 200;
+            answer->psz_status = strdup( "OK" );
+            answer->i_body = 0;
+            answer->p_body = NULL;
+            break;
+
         default:
             return VLC_EGENERIC;
     }
 
     httpd_MsgAdd( answer, "Server", "VLC Server" );
     httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
-    httpd_MsgAdd( answer, "Cseq", "%d",
-                  atoi( httpd_MsgGet( query, "Cseq" ) ) );
+    psz_cseq = httpd_MsgGet( query, "Cseq" );
+    psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
+    httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
     httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
 
     if( psz_session )
@@ -771,119 +997,122 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
     vod_media_t *p_media = p_es->p_media;
     vod_t *p_vod = p_media->p_vod;
     rtsp_client_t *p_rtsp = NULL;
-    char *psz_session = NULL;
     char *psz_transport = NULL;
+    char *psz_playnow = NULL; /* support option: x-playNow */
+    char *psz_session = NULL;
     char *psz_position = NULL;
+    char *psz_cseq = NULL;
+    int i_cseq = 0;
     int i;
 
     if( answer == NULL || query == NULL ) return VLC_SUCCESS;
 
-    msg_Info( p_vod, "RtspCallback query: type=%d\n", query->i_type );
+    msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
 
     answer->i_proto   = HTTPD_PROTO_RTSP;
     answer->i_version = query->i_version;
     answer->i_type    = HTTPD_MSG_ANSWER;
+    answer->i_body    = 0;
+    answer->p_body      = NULL;
 
     switch( query->i_type )
     {
-    case HTTPD_MSG_SETUP:
-        psz_transport = httpd_MsgGet( query, "Transport" );
-        msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
+        case HTTPD_MSG_SETUP:
+            psz_playnow = httpd_MsgGet( query, "x-playNow" );
+            psz_transport = httpd_MsgGet( query, "Transport" );
 
-        if( strstr( psz_transport, "unicast" ) &&
-            strstr( psz_transport, "client_port=" ) )
-        {
-            rtsp_client_t *p_rtsp;
-            rtsp_client_es_t *p_rtsp_es;
-            char ip[NI_MAXNUMERICHOST];
-            int i_port = atoi( strstr( psz_transport, "client_port=" ) +
-                               strlen("client_port=") );
+            msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
 
-            if( httpd_ClientIP( cl, ip ) == NULL )
+            if( strstr( psz_transport, "unicast" ) &&
+                strstr( psz_transport, "client_port=" ) )
             {
-                answer->i_status = 500;
-                answer->psz_status = strdup( "Internal server error" );
-                answer->i_body = 0;
-                answer->p_body = NULL;
-                break;
-            }
-
-            msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
-                     ip, i_port );
+                rtsp_client_t *p_rtsp;
+                rtsp_client_es_t *p_rtsp_es;
+                char ip[NI_MAXNUMERICHOST];
+                int i_port = atoi( strstr( psz_transport, "client_port=" ) +
+                                strlen("client_port=") );
 
-            psz_session = httpd_MsgGet( query, "Session" );
-            if( !psz_session || !*psz_session )
-            {
-                asprintf( &psz_session, "%d", rand() );
-                p_rtsp = RtspClientNew( p_media, psz_session );
-            }
-            else
-            {
-                p_rtsp = RtspClientGet( p_media, psz_session );
-                if( !p_rtsp )
+                if( httpd_ClientIP( cl, ip ) == NULL )
                 {
-                    /* FIXME right error code */
-                    answer->i_status = 454;
-                    answer->psz_status = strdup( "Unknown session id" );
+                    answer->i_status = 500;
+                    answer->psz_status = strdup( "Internal server error" );
                     answer->i_body = 0;
                     answer->p_body = NULL;
-                    free( ip );
                     break;
                 }
-            }
 
-            p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
-            p_rtsp_es->i_port = i_port;
-            p_rtsp_es->psz_ip = strdup( ip );
-            p_rtsp_es->p_media_es = p_es;
-            TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
-
-            answer->i_status = 200;
-            answer->psz_status = strdup( "OK" );
-            answer->i_body = 0;
-            answer->p_body = NULL;
+                msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
+                        ip, i_port );
 
-            httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
-                          i_port, i_port + 1 );
-        }
-        else /* TODO  strstr( psz_transport, "interleaved" ) ) */
-        {
-            answer->i_status = 461;
-            answer->psz_status = strdup( "Unsupported Transport" );
-            answer->i_body = 0;
-            answer->p_body = NULL;
-        }
-        break;
-
-        case HTTPD_MSG_TEARDOWN:
-            answer->i_status = 200;
-            answer->psz_status = strdup( "OK" );
-            answer->i_body = 0;
-            answer->p_body = NULL;
+                psz_session = httpd_MsgGet( query, "Session" );
+                if( !psz_session || !*psz_session )
+                {
+                    if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
+                        ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
+                    {
+                        answer->i_status = 503;
+                        answer->psz_status = strdup( "Too many connections" );
+                        answer->i_body = 0;
+                        answer->p_body = NULL;
+                        break;
+                    }
+                    asprintf( &psz_session, "%d", rand() );
+                    p_rtsp = RtspClientNew( p_media, psz_session );
+                }
+                else
+                {
+                    p_rtsp = RtspClientGet( p_media, psz_session );
+                    if( !p_rtsp )
+                    {
+                        answer->i_status = 454;
+                        answer->psz_status = strdup( "Unknown session id" );
+                        answer->i_body = 0;
+                        answer->p_body = NULL;
+                        break;
+                    }
+                }
 
-            psz_session = httpd_MsgGet( query, "Session" );
-            msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
+                p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
+                p_rtsp_es->i_port = i_port;
+                p_rtsp_es->psz_ip = strdup( ip );
+                p_rtsp_es->p_media_es = p_es;
+                TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
 
-            p_rtsp = RtspClientGet( p_media, psz_session );
-            if( !p_rtsp ) break;
+                answer->i_status = 200;
+                answer->psz_status = strdup( "OK" );
+                answer->i_body = 0;
+                answer->p_body = NULL;
 
-            for( i = 0; i < p_rtsp->i_es; i++ )
-            {
-                if( p_rtsp->es[i]->p_media_es == p_es )
+                if( p_media->b_raw )
                 {
-                    if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
-                    TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
-                    break;
+                    if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
+                    {
+                        httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
+                                      i_port, i_port + 1 );
+                    }
+                    else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
+                    {
+                        httpd_MsgAdd( answer, "Transport", "RAW/RAW/UDP;client_port=%d-%d",
+                                      i_port, i_port + 1 );
+                    }
+                }
+                else
+                {
+                    httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
+                                  i_port, i_port + 1 );
                 }
             }
-
-            if( !p_rtsp->i_es )
+            else /* TODO  strstr( psz_transport, "interleaved" ) ) */
             {
-                vod_MediaControl( p_vod, p_media, psz_session,
-                                  VOD_MEDIA_STOP );
-                RtspClientDel( p_media, p_rtsp );
+                answer->i_status = 461;
+                answer->psz_status = strdup( "Unsupported Transport" );
+                answer->i_body = 0;
+                answer->p_body = NULL;
             }
-            break;
+
+            /* Intentional fall-through on x-playNow option in RTSP request */
+            if( !psz_playnow )
+                break;
 
         case HTTPD_MSG_PLAY:
             /* This is kind of a kludge. Should we only support Aggregate
@@ -897,23 +1126,59 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             if( psz_position ) psz_position = strstr( psz_position, "npt=" );
             if( psz_position )
             {
-                float f_pos;
+                double f_pos;
+                char *end;
 
                 msg_Dbg( p_vod, "seeking request: %s", psz_position );
 
                 psz_position += 4;
-                if( sscanf( psz_position, "%f", &f_pos ) == 1 )
+                /* FIXME: npt= is not necessarily formatted as a float */
+                f_pos = us_strtod( psz_position, &end );
+                if( end > psz_position )
                 {
-                    f_pos /= ((float)(p_media->i_length/1000))/1000 / 100;
+                    f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
                     vod_MediaControl( p_vod, p_media, psz_session,
-                                      VOD_MEDIA_SEEK, (double)f_pos );
+                                      VOD_MEDIA_SEEK, f_pos );
                 }
             }
 
+            if( !psz_playnow )
+            {
+                answer->i_status = 200;
+                answer->psz_status = strdup( "OK" );
+                answer->i_body = 0;
+                answer->p_body = NULL;
+            }
+            break;
+
+        case HTTPD_MSG_TEARDOWN:
             answer->i_status = 200;
             answer->psz_status = strdup( "OK" );
             answer->i_body = 0;
             answer->p_body = NULL;
+
+            psz_session = httpd_MsgGet( query, "Session" );
+            msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
+
+            p_rtsp = RtspClientGet( p_media, psz_session );
+            if( !p_rtsp ) break;
+
+            for( i = 0; i < p_rtsp->i_es; i++ )
+            {
+                if( p_rtsp->es[i]->p_media_es == p_es )
+                {
+                    if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
+                    TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
+                    break;
+                }
+            }
+
+            if( !p_rtsp->i_es )
+            {
+                vod_MediaControl( p_vod, p_media, psz_session,
+                                  VOD_MEDIA_STOP );
+                RtspClientDel( p_media, p_rtsp );
+            }
             break;
 
         case HTTPD_MSG_PAUSE:
@@ -941,14 +1206,16 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
 
     httpd_MsgAdd( answer, "Server", "VLC Server" );
     httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
-    httpd_MsgAdd( answer, "Cseq", "%d",
-                  atoi( httpd_MsgGet( query, "Cseq" ) ) );
+    psz_cseq = httpd_MsgGet( query, "Cseq" );
+    if (psz_cseq)
+        i_cseq = atoi( psz_cseq );
+    else
+        i_cseq = 0;
+    httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
     httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
 
     if( psz_session )
-    {
         httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
-    }
 
     return VLC_SUCCESS;
 }
@@ -979,9 +1246,9 @@ static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
         sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
         sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
         sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
+        sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
         sizeof( "t=0 0\r\n" ) + /* FIXME */
         sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
-        sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
         sizeof( "a=range:npt=0-1000000000.000\r\n" );
 
     psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
@@ -1017,14 +1284,16 @@ static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
     if( *p_media->psz_session_email )
         p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
 
+    p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
     p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
     p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
 
-    p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
-
     if( p_media->i_length > 0 )
-    p += sprintf( p, "a=range:npt=0-%.3f\r\n",
-                  ((float)(p_media->i_length/1000))/1000 );
+    {
+        lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
+        p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot,
+                      (unsigned)d.rem );
+    }
 
     for( i = 0; i < p_media->i_es; i++ )
     {