]> git.sesse.net Git - vlc/blobdiff - modules/stream_out/rtp.c
Accept MP3 as an alternative to MPGA for RTP and TS.
[vlc] / modules / stream_out / rtp.c
index ff7d58c58d911fbbeedcb6ad87bc49f03f0d0981..193f0221fb0b03177f6ccfb0300ebddaaecea5c4 100644 (file)
  * Preamble
  *****************************************************************************/
 
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <vlc/vlc.h>
 #include <vlc_sout.h>
 #include <vlc_block.h>
 #   include <fcntl.h>
 #   include <sys/stat.h>
 #endif
+#ifdef HAVE_LINUX_DCCP_H
+#   include <linux/dccp.h>
+#endif
+#ifndef IPPROTO_DCCP
+# define IPPROTO_DCCP 33
+#endif
+#ifndef IPPROTO_UDPLITE
+# define IPPROTO_UDPLITE 136
+#endif
 
 #include <errno.h>
 
@@ -71,8 +84,8 @@
     "(Session Descriptor)." )
 #define DESC_TEXT N_("Session description")
 #define DESC_LONGTEXT N_( \
-    "This allows you to give a broader description of the stream, that will " \
-    "be announced in the SDP (Session Descriptor)." )
+    "This allows you to give a short description with details about the stream, " \
+    "that will be announced in the SDP (Session Descriptor)." )
 #define URL_TEXT N_("Session URL")
 #define URL_LONGTEXT N_( \
     "This allows you to give an URL with more details about the stream " \
     "be announced in the SDP (Session Descriptor)." )
 #define EMAIL_TEXT N_("Session email")
 #define EMAIL_LONGTEXT N_( \
-   "This allows you to give a contact mail address for the stream, that will " \
-   "be announced in the SDP (Session Descriptor)." )
+    "This allows you to give a contact mail address for the stream, that will " \
+    "be announced in the SDP (Session Descriptor)." )
+#define PHONE_TEXT N_("Session phone number")
+#define PHONE_LONGTEXT N_( \
+    "This allows you to give a contact telephone number for the stream, that will " \
+    "be announced in the SDP (Session Descriptor)." )
+
 #define PORT_TEXT N_("Port")
 #define PORT_LONGTEXT N_( \
     "This allows you to specify the base port for the RTP streaming." )
     "the multicast packets sent by the stream output (0 = use operating " \
     "system built-in default).")
 
+#define RTCP_MUX_TEXT N_("RTP/RTCP multiplexing")
+#define RTCP_MUX_LONGTEXT N_( \
+    "This sends and receives RTCP packet multiplexed over the same port " \
+    "as RTP packets." )
+
 #define DCCP_TEXT N_("DCCP transport")
 #define DCCP_LONGTEXT N_( \
     "This enables DCCP instead of UDP as a transport for RTP." )
@@ -128,12 +151,13 @@ vlc_module_begin();
 
     add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
                 DST_LONGTEXT, VLC_TRUE );
+        change_unsafe();
     add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
                 SDP_LONGTEXT, VLC_TRUE );
     add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
                 MUX_LONGTEXT, VLC_TRUE );
 
-    add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
+    add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT,
                 NAME_LONGTEXT, VLC_TRUE );
     add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
                 DESC_LONGTEXT, VLC_TRUE );
@@ -141,6 +165,8 @@ vlc_module_begin();
                 URL_LONGTEXT, VLC_TRUE );
     add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
                 EMAIL_LONGTEXT, VLC_TRUE );
+    add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT,
+                PHONE_LONGTEXT, VLC_TRUE );
 
     add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
                  PORT_LONGTEXT, VLC_TRUE );
@@ -152,11 +178,14 @@ vlc_module_begin();
     add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
                  TTL_LONGTEXT, VLC_TRUE );
 
-    add_bool( SOUT_CFG_PREFIX "dccp", 0, NULL,
+    add_bool( SOUT_CFG_PREFIX "rtcp-mux", VLC_FALSE, NULL,
+              RTCP_MUX_TEXT, RTCP_MUX_LONGTEXT, VLC_FALSE );
+
+    add_bool( SOUT_CFG_PREFIX "dccp", VLC_FALSE, NULL,
               DCCP_TEXT, DCCP_LONGTEXT, VLC_FALSE );
-    add_bool( SOUT_CFG_PREFIX "tcp", 0, NULL,
+    add_bool( SOUT_CFG_PREFIX "tcp", VLC_FALSE, NULL,
               TCP_TEXT, TCP_LONGTEXT, VLC_FALSE );
-    add_bool( SOUT_CFG_PREFIX "udplite", 0, NULL,
+    add_bool( SOUT_CFG_PREFIX "udplite", VLC_FALSE, NULL,
               UDP_LITE_TEXT, UDP_LITE_LONGTEXT, VLC_FALSE );
 
     add_bool( SOUT_CFG_PREFIX "mp4a-latm", 0, NULL, RFC3016_TEXT,
@@ -170,8 +199,8 @@ vlc_module_end();
  *****************************************************************************/
 static const char *ppsz_sout_options[] = {
     "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
-    "description", "url", "email",
-    "dccp", "tcp", "udplite",
+    "description", "url", "email", "phone",
+    "rtcp-mux", "dccp", "tcp", "udplite",
     "mp4a-latm", NULL
 };
 
@@ -196,16 +225,9 @@ static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
 struct sout_stream_sys_t
 {
     /* SDP */
-    int64_t i_sdp_id;
-    int     i_sdp_version;
     char    *psz_sdp;
     vlc_mutex_t  lock_sdp;
 
-    char        *psz_session_name;
-    char        *psz_session_description;
-    char        *psz_session_url;
-    char        *psz_session_email;
-
     /* SDP to disk */
     vlc_bool_t b_export_sdp_file;
     char *psz_sdp_file;
@@ -229,6 +251,7 @@ struct sout_stream_sys_t
     uint16_t  i_port_audio;
     uint16_t  i_port_video;
     vlc_bool_t b_latm;
+    vlc_bool_t rtcp_mux;
 
     /* when need to use a private one or when using muxer */
     int i_payload_type;
@@ -259,17 +282,17 @@ struct sout_stream_id_t
 
     sout_stream_t *p_stream;
     /* rtp field */
-    uint32_t    i_timestamp_start;
     uint16_t    i_sequence;
     uint8_t     i_payload_type;
     uint8_t     ssrc[4];
 
     /* for sdp */
-    char        *psz_rtpmap;
+    const char  *psz_enc;
     char        *psz_fmtp;
     int          i_clock_rate;
     int          i_port;
     int          i_cat;
+    int          i_channels;
     int          i_bitrate;
 
     /* Packetizer specific fields */
@@ -281,6 +304,7 @@ struct sout_stream_id_t
     int               sinkc;
     rtp_sink_t       *sinkv;
     rtsp_stream_id_t *rtsp_id;
+    int              *listen_fd;
 
     block_fifo_t     *p_fifo;
     int64_t           i_caching;
@@ -307,14 +331,11 @@ static int Open( vlc_object_t *p_this )
         return VLC_ENOMEM;
 
     p_sys->psz_destination = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "dst" );
-    p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
-    p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
-    p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
-    p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
 
     p_sys->i_port       = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
     p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
     p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
+    p_sys->rtcp_mux   = var_GetBool( p_stream, SOUT_CFG_PREFIX "rtcp-mux" );
 
     p_sys->psz_sdp_file = NULL;
 
@@ -325,14 +346,6 @@ static int Open( vlc_object_t *p_this )
         p_sys->i_port_video = 0;
     }
 
-    if( !p_sys->psz_session_name )
-    {
-        if( p_sys->psz_destination )
-            p_sys->psz_session_name = strdup( p_sys->psz_destination );
-        else
-           p_sys->psz_session_name = strdup( "NONE" );
-    }
-
     for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
     {
         if( !strcmp( p_cfg->psz_name, "sdp" )
@@ -357,22 +370,22 @@ static int Open( vlc_object_t *p_this )
     /* Transport protocol */
     p_sys->proto = IPPROTO_UDP;
 
-#if 0
     if( var_GetBool( p_stream, SOUT_CFG_PREFIX "dccp" ) )
     {
-        p_sys->sotype = SOCK_DCCP;
-        p_sys->proto = 33 /*IPPROTO_DCCP*/;
+        p_sys->proto = IPPROTO_DCCP;
+        p_sys->rtcp_mux = VLC_TRUE; /* Force RTP/RTCP mux */
     }
+#if 0
     else
     if( var_GetBool( p_stream, SOUT_CFG_PREFIX "tcp" ) )
     {
-        p_sys->sotype = SOCK_STREAM;
         p_sys->proto = IPPROTO_TCP;
+        p_sys->rtcp_mux = VLC_TRUE; /* Force RTP/RTCP mux */
     }
     else
 #endif
     if( var_GetBool( p_stream, SOUT_CFG_PREFIX "udplite" ) )
-        p_sys->proto = 136 /*IPPROTO_UDPLITE*/;
+        p_sys->proto = IPPROTO_UDPLITE;
 
     if( ( p_sys->psz_destination == NULL ) && !b_rtsp )
     {
@@ -399,10 +412,6 @@ static int Open( vlc_object_t *p_this )
     p_sys->rtsp = NULL;
     p_sys->psz_sdp = NULL;
 
-    p_sys->i_sdp_id = mdate();
-    p_sys->i_sdp_version = 1;
-    p_sys->psz_sdp = NULL;
-
     p_sys->b_export_sap = VLC_FALSE;
     p_sys->b_export_sdp_file = VLC_FALSE;
     p_sys->p_session = NULL;
@@ -419,21 +428,11 @@ static int Open( vlc_object_t *p_this )
     if( psz != NULL )
     {
         sout_stream_id_t *id;
-        const char *psz_rtpmap;
-        int i_payload_type;
 
         /* Check muxer type */
-        if( !strncasecmp( psz, "ps", 2 )
-         || !strncasecmp( psz, "mpeg1", 5 ) )
-        {
-            psz_rtpmap = "MP2P/90000";
-        }
-        else if( !strncasecmp( psz, "ts", 2 ) )
-        {
-            psz_rtpmap = "MP2T/90000";
-            i_payload_type = 33;
-        }
-        else
+        if( strncasecmp( psz, "ps", 2 )
+         && strncasecmp( psz, "mpeg1", 5 )
+         && strncasecmp( psz, "ts", 2 ) )
         {
             msg_Err( p_stream, "unsupported muxer type for RTP (only TS/PS)" );
             free( psz );
@@ -468,9 +467,6 @@ static int Open( vlc_object_t *p_this )
             return VLC_EGENERIC;
         }
 
-        id->psz_rtpmap = strdup( psz_rtpmap );
-        id->i_payload_type = i_payload_type;
-
         p_sys->packet = NULL;
 
         p_stream->pf_add  = MuxAdd;
@@ -502,7 +498,7 @@ static int Open( vlc_object_t *p_this )
                     continue;
 
                 /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
-                if( !strcmp( p_cfg->psz_value, psz ) ) 
+                if( !strcmp( p_cfg->psz_value, psz ) )
                     continue;
 
                 SDPHandleUrl( p_stream, p_cfg->psz_value );
@@ -558,10 +554,6 @@ static void Close( vlc_object_t * p_this )
     if( p_sys->p_httpd_host )
         httpd_HostDelete( p_sys->p_httpd_host );
 
-    free( p_sys->psz_session_name );
-    free( p_sys->psz_session_description );
-    free( p_sys->psz_session_url );
-    free( p_sys->psz_session_email );
     free( p_sys->psz_sdp );
 
     if( p_sys->b_export_sdp_file )
@@ -615,12 +607,12 @@ static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
         if( p_sys->p_mux != NULL )
         {
             sout_stream_id_t *id = p_sys->es[0];
-            id->rtsp_id = RtspAddId( p_sys->rtsp, id, 0,
+            id->rtsp_id = RtspAddId( p_sys->rtsp, id, 0, GetDWBE( id->ssrc ),
                                      p_sys->psz_destination, p_sys->i_ttl,
                                      id->i_port, id->i_port + 1 );
         }
     }
-    else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) || 
+    else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
              ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
     {
         p_sys->b_export_sap = VLC_TRUE;
@@ -652,26 +644,13 @@ out:
 /*****************************************************************************
  * SDPGenerate
  *****************************************************************************/
-        /* FIXME  http://www.faqs.org/rfcs/rfc2327.html
-           All text fields should be UTF-8 encoded. Use global a:charset to announce this.
-           o= - should be local username (no spaces allowed)
-           o= time should be hashed with some other value to garantue uniqueness
-           o= we need IP6 support?
-           o= don't use the localhost address. use fully qualified domain name or IP4 address
-           p= international phone number (pass via vars?)
-           c= IP6 support
-           a= recvonly (missing)
-           a= type:broadcast (missing)
-           a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
-           a= x-plgroup: (missing)
-           RTP packets need to get the correct src IP address  */
 /*static*/
 char *SDPGenerate( const sout_stream_t *p_stream, const char *rtsp_url )
 {
     const sout_stream_sys_t *p_sys = p_stream->p_sys;
-    size_t i_size;
-    const char *psz_destination = p_sys->psz_destination;
-    char *psz_sdp, *p, ipv;
+    char *psz_sdp;
+    struct sockaddr_storage dst;
+    socklen_t dstlen;
     int i;
     /*
      * When we have a fixed destination (typically when we do multicast),
@@ -688,114 +667,107 @@ char *SDPGenerate( const sout_stream_t *p_stream, const char *rtsp_url )
      * output chain with two different RTSP URLs if you need to handle this
      * scenario.
      */
-    int inclport = (psz_destination != NULL);
-
-    /* FIXME: breaks IP version check on unknown destination */
-    if( psz_destination == NULL )
-        psz_destination = "0.0.0.0";
-
-    i_size = sizeof( "v=0\r\n" ) +
-             sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
-             sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
-             sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
-             sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
-             sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
-             sizeof( "t=0 0\r\n" ) +
-             sizeof( "b=RR:0\r\n" ) +
-             sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
-             sizeof( "a=recvonly\r\n" ) +
-             sizeof( "a=type:broadcast\r\n" ) +
-             sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
-             strlen( psz_destination ) ;
-    for( i = 0; i < p_sys->i_es; i++ )
+    int inclport;
+
+    if( p_sys->psz_destination != NULL )
     {
-        sout_stream_id_t *id = p_sys->es[i];
+        inclport = 1;
 
-        i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
-        if ( id->i_bitrate )
-        {
-            i_size += strlen( "b=AS: *\r\n") + 10;
-        }
-        if( id->psz_rtpmap )
-        {
-            i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
-        }
-        if( id->psz_fmtp )
-        {
-            i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
-        }
-        if( rtsp_url != NULL )
-        {
-            i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( rtsp_url ) + 10;
-        }
+        /* Oh boy, this is really ugly! (+ race condition on lock_es) */
+        dstlen = sizeof( dst );
+        if( p_sys->es[0]->listen_fd != NULL )
+            getsockname( p_sys->es[0]->listen_fd[0],
+                         (struct sockaddr *)&dst, &dstlen );
+        else
+            getpeername( p_sys->es[0]->sinkv[0].rtp_fd,
+                         (struct sockaddr *)&dst, &dstlen );
     }
-
-    ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
-
-    p = psz_sdp = malloc( i_size );
-    p += sprintf( p, "v=0\r\n" );
-    p += sprintf( p, "o=- "I64Fu" %d IN IP%c %s\r\n",
-                  p_sys->i_sdp_id, p_sys->i_sdp_version,
-                  ipv, ipv == '6' ? "::1" : "127.0.0.1" );
-    if( *p_sys->psz_session_name )
-        p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
-    if( *p_sys->psz_session_description )
-        p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
-    if( *p_sys->psz_session_url )
-        p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
-    if( *p_sys->psz_session_email )
-        p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
-
-    p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */
-        /* when scheduled from vlm, we should set this info correctly */
-    p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
-    p += sprintf( p, "a=recvonly\r\n" );
-    p += sprintf( p, "a=type:broadcast\r\n" );
-
-    p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
-
-    if( ( ipv == 4 )
-     && net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
+    else
     {
-        /* Add the deprecated TTL field if it is an IPv4 multicast address */
-        p += sprintf( p, "/%d", p_sys->i_ttl ?: 1 );
+        inclport = 0;
+
+        /* Dummy destination address for RTSP */
+        memset (&dst, 0, sizeof( struct sockaddr_in ) );
+        dst.ss_family = AF_INET;
+#ifdef HAVE_SA_LEN
+        dst.ss_len =
+#endif
+        dstlen = sizeof( struct sockaddr_in );
     }
-    p += sprintf( p, "\r\n" );
-    p += sprintf( p, "b=RR:0\r\n" );
 
+    psz_sdp = vlc_sdp_Start( VLC_OBJECT( p_stream ), SOUT_CFG_PREFIX,
+                             NULL, 0, (struct sockaddr *)&dst, dstlen );
+    if( psz_sdp == NULL )
+        return NULL;
+
+    /* TODO: a=source-filter */
+    if( p_sys->rtcp_mux )
+        sdp_AddAttribute( &psz_sdp, "rtcp-mux", NULL );
+
+    if( rtsp_url != NULL )
+        sdp_AddAttribute ( &psz_sdp, "control", "%s", rtsp_url );
+
+    /* FIXME: locking?! */
     for( i = 0; i < p_sys->i_es; i++ )
     {
         sout_stream_id_t *id = p_sys->es[i];
         const char *mime_major; /* major MIME type */
+        const char *proto = "RTP/AVP"; /* protocol */
 
-        if( id->i_cat == AUDIO_ES )
-            mime_major = "audio";
-        else
-        if( id->i_cat == VIDEO_ES )
-            mime_major = "video";
-        else
-            continue;
-
-        p += sprintf( p, "m=%s %d RTP/AVP %d\r\n", mime_major,
-                      inclport * id->i_port, id->i_payload_type );
-
-        if ( id->i_bitrate )
+        switch( id->i_cat )
         {
-            p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
+            case VIDEO_ES:
+                mime_major = "video";
+                break;
+            case AUDIO_ES:
+                mime_major = "audio";
+                break;
+            case SPU_ES:
+                mime_major = "text";
+                break;
+            default:
+                continue;
         }
-        if( id->psz_rtpmap )
+
+        if( rtsp_url == NULL )
         {
-            p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
-                          id->psz_rtpmap );
+            switch( p_sys->proto )
+            {
+                case IPPROTO_UDP:
+                    break;
+                case IPPROTO_TCP:
+                    proto = "TCP/RTP/AVP";
+                    break;
+                case IPPROTO_DCCP:
+                    proto = "DCCP/RTP/AVP";
+                    break;
+                case IPPROTO_UDPLITE:
+                    continue;
+            }
         }
-        if( id->psz_fmtp )
+
+        sdp_AddMedia( &psz_sdp, mime_major, proto, inclport * id->i_port,
+                      id->i_payload_type, VLC_FALSE, id->i_bitrate,
+                      id->psz_enc, id->i_clock_rate, id->i_channels,
+                      id->psz_fmtp);
+
+        if( rtsp_url != NULL )
         {
-            p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
-                          id->psz_fmtp );
+            assert( strlen( rtsp_url ) > 0 );
+            vlc_bool_t addslash = ( rtsp_url[strlen( rtsp_url ) - 1] != '/' );
+            sdp_AddAttribute ( &psz_sdp, "control",
+                               addslash ? "%s/trackID=%u" : "%strackID=%u",
+                               rtsp_url, i );
         }
-        if( rtsp_url != NULL )
+        else
         {
-            p += sprintf( p, "a=control:/trackID=%d\r\n", i );
+            if( id->listen_fd != NULL )
+                sdp_AddAttribute( &psz_sdp, "setup", "passive" );
+#if 0
+            if( p_sys->proto == IPPROTO_DCCP )
+                sdp_AddAttribute( &psz_sdp, "dccp-service-code", 
+                                  "SC:RTP%c", toupper( mime_major[0] ) );
+#endif
         }
     }
 
@@ -805,17 +777,6 @@ char *SDPGenerate( const sout_stream_t *p_stream, const char *rtsp_url )
 /*****************************************************************************
  * RTP mux
  *****************************************************************************/
-static int rtp_packetize_l16  ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_l8   ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_mpa  ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_mpv  ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_ac3  ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
-static int rtp_packetize_amr  ( sout_stream_t *, sout_stream_id_t *, block_t * );
 
 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
 {
@@ -844,6 +805,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
     id = vlc_object_create( p_stream, sizeof( sout_stream_id_t ) );
     if( id == NULL )
         return NULL;
+    vlc_object_attach( id, p_stream );
 
     /* Choose the port */
     i_port = 0;
@@ -876,7 +838,6 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
 
     id->p_stream   = p_stream;
 
-    id->i_timestamp_start = rand()&0xffffffff;
     id->i_sequence = rand()&0xffff;
     id->i_payload_type = p_sys->i_payload_type;
     id->ssrc[0] = rand()&0xff;
@@ -884,13 +845,19 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
     id->ssrc[2] = rand()&0xff;
     id->ssrc[3] = rand()&0xff;
 
-    id->psz_rtpmap = NULL;
+    id->psz_enc    = NULL;
     id->psz_fmtp   = NULL;
-    id->i_clock_rate = 90000; /* most common case */
+    id->i_clock_rate = 90000; /* most common case for video */
+    id->i_channels = 0;
     id->i_port     = i_port;
     if( p_fmt != NULL )
     {
         id->i_cat  = p_fmt->i_cat;
+        if( p_fmt->i_cat == AUDIO_ES )
+        {
+            id->i_clock_rate = p_fmt->audio.i_rate;
+            id->i_channels = p_fmt->audio.i_channels;
+        }
         id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
     }
     else
@@ -910,41 +877,73 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
     id->sinkc = 0;
     id->sinkv = NULL;
     id->rtsp_id = NULL;
+    id->p_fifo = NULL;
+    id->listen_fd = NULL;
 
     id->i_caching =
         (int64_t)1000 * var_GetInteger( p_stream, SOUT_CFG_PREFIX "caching");
-    id->p_fifo = block_FifoNew( p_stream );
-
-    if( vlc_thread_create( id, "RTP send thread", ThreadSend,
-                           VLC_THREAD_PRIORITY_HIGHEST, VLC_FALSE ) )
-    {
-        vlc_mutex_destroy( &id->lock_sink );
-        vlc_object_destroy( id );
-        return NULL;
-    }
 
     if( p_sys->psz_destination != NULL )
+        switch( p_sys->proto )
+        {
+            case IPPROTO_TCP:
+            case IPPROTO_DCCP:
+                id->listen_fd = net_Listen( VLC_OBJECT(p_stream),
+                                            p_sys->psz_destination, i_port,
+                                            p_sys->proto );
+                if( id->listen_fd == NULL )
+                {
+                    msg_Err( p_stream, "passive COMEDIA RTP socket failed" );
+                    goto error;
+                }
+                break;
+
+            default:
+            {
+                int ttl = (p_sys->i_ttl > 0) ? p_sys->i_ttl : -1;
+                int fd = net_ConnectDgram( p_stream, p_sys->psz_destination,
+                                           i_port, ttl, p_sys->proto );
+                if( fd == -1 )
+                {
+                    msg_Err( p_stream, "cannot create RTP socket" );
+                    goto error;
+                }
+                rtp_add_sink( id, fd, p_sys->rtcp_mux );
+            }
+        }
+
+    if( p_fmt == NULL )
     {
-        int ttl = (p_sys->i_ttl > 0) ? p_sys->i_ttl : -1;
-        int fd = net_ConnectDgram( p_stream, p_sys->psz_destination,
-                                   i_port, ttl, p_sys->proto );
+        char *psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "mux" );
 
-        if( fd == -1 )
+        if( psz == NULL ) /* Uho! */
+            ;
+        else
+        if( strncmp( psz, "ts", 2 ) == 0 )
         {
-            msg_Err( p_stream, "cannot create RTP socket" );
-            vlc_thread_join( id );
-            vlc_mutex_destroy( &id->lock_sink );
-            vlc_object_destroy( id );
-            return NULL;
+            id->i_payload_type = 33;
+            id->psz_enc = "MP2T";
+        }
+        else
+        {
+            id->psz_enc = "MP2P";
         }
-        rtp_add_sink( id, fd );
     }
-
-    if( p_fmt == NULL )
-        ;
     else
     switch( p_fmt->i_codec )
     {
+        case VLC_FOURCC( 'u', 'l', 'a', 'w' ):
+            if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 8000 )
+                id->i_payload_type = 0;
+            id->psz_enc = "PCMU";
+            id->pf_packetize = rtp_packetize_l8;
+            break;
+        case VLC_FOURCC( 'a', 'l', 'a', 'w' ):
+            if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 8000 )
+                id->i_payload_type = 8;
+            id->psz_enc = "PCMA";
+            id->pf_packetize = rtp_packetize_l8;
+            break;
         case VLC_FOURCC( 's', '1', '6', 'b' ):
             if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
             {
@@ -955,39 +954,34 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
             {
                 id->i_payload_type = 10;
             }
-            if( asprintf( &id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
-                          p_fmt->audio.i_channels ) == -1 )
-                id->psz_rtpmap = NULL;
-            id->i_clock_rate = p_fmt->audio.i_rate;
+            id->psz_enc = "L16";
             id->pf_packetize = rtp_packetize_l16;
             break;
         case VLC_FOURCC( 'u', '8', ' ', ' ' ):
-            if( asprintf( &id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
-                          p_fmt->audio.i_channels ) == -1 )
-                id->psz_rtpmap = NULL;
-            id->i_clock_rate = p_fmt->audio.i_rate;
+            id->psz_enc = "L8";
             id->pf_packetize = rtp_packetize_l8;
             break;
         case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
+        case VLC_FOURCC( 'm', 'p', '3', ' ' ):
             id->i_payload_type = 14;
-            id->psz_rtpmap = strdup( "MPA/90000" );
+            id->psz_enc = "MPA";
             id->pf_packetize = rtp_packetize_mpa;
             break;
         case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
             id->i_payload_type = 32;
-            id->psz_rtpmap = strdup( "MPV/90000" );
+            id->psz_enc = "MPV";
             id->pf_packetize = rtp_packetize_mpv;
             break;
         case VLC_FOURCC( 'a', '5', '2', ' ' ):
-            id->psz_rtpmap = strdup( "ac3/90000" );
+            id->psz_enc = "ac3";
             id->pf_packetize = rtp_packetize_ac3;
             break;
         case VLC_FOURCC( 'H', '2', '6', '3' ):
-            id->psz_rtpmap = strdup( "H263-1998/90000" );
+            id->psz_enc = "H263-1998";
             id->pf_packetize = rtp_packetize_h263;
             break;
         case VLC_FOURCC( 'h', '2', '6', '4' ):
-            id->psz_rtpmap = strdup( "H264/90000" );
+            id->psz_enc = "H264";
             id->pf_packetize = rtp_packetize_h264;
             id->psz_fmtp = NULL;
 
@@ -999,7 +993,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
                 char    *p_64_pps = NULL;
                 char    hexa[6+1];
 
-                while( i_buffer > 4 && 
+                while( i_buffer > 4 &&
                        p_buffer[0] == 0 && p_buffer[1] == 0 &&
                        p_buffer[2] == 0 && p_buffer[3] == 1 )
                 {
@@ -1049,7 +1043,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
         {
             char hexa[2*p_fmt->i_extra +1];
 
-            id->psz_rtpmap = strdup( "MP4V-ES/90000" );
+            id->psz_enc = "MP4V-ES";
             id->pf_packetize = rtp_packetize_split;
             if( p_fmt->i_extra > 0 )
             {
@@ -1062,15 +1056,11 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
         }
         case VLC_FOURCC( 'm', 'p', '4', 'a' ):
         {
-            id->i_clock_rate = p_fmt->audio.i_rate;
-
             if(!p_sys->b_latm)
             {
                 char hexa[2*p_fmt->i_extra +1];
 
-                if( asprintf( &id->psz_rtpmap, "mpeg4-generic/%d",
-                              p_fmt->audio.i_rate ) == -1 )
-                    id->psz_rtpmap = NULL;
+                id->psz_enc = "mpeg4-generic";
                 id->pf_packetize = rtp_packetize_mp4a;
                 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
                 if( asprintf( &id->psz_fmtp,
@@ -1100,10 +1090,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
                 config[4]=0x3f;
                 config[5]=0xc0;
 
-                if( asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
-                              p_fmt->audio.i_rate,
-                              p_fmt->audio.i_channels ) == -1)
-                    id->psz_rtpmap = NULL;
+                id->psz_enc = "MP4A-LATM";
                 id->pf_packetize = rtp_packetize_mp4a_latm;
                 sprintf_hexa( hexa, config, 6 );
                 if( asprintf( &id->psz_fmtp, "profile-level-id=15; "
@@ -1113,29 +1100,30 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
             break;
         }
         case VLC_FOURCC( 's', 'a', 'm', 'r' ):
-            id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
-                                     "AMR/8000/2" : "AMR/8000" );
+            id->psz_enc = "AMR";
             id->psz_fmtp = strdup( "octet-align=1" );
-            id->i_clock_rate = p_fmt->audio.i_rate;
             id->pf_packetize = rtp_packetize_amr;
             break;
         case VLC_FOURCC( 's', 'a', 'w', 'b' ):
-            id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
-                                     "AMR-WB/16000/2" : "AMR-WB/16000" );
+            id->psz_enc = "AMR-WB";
             id->psz_fmtp = strdup( "octet-align=1" );
-            id->i_clock_rate = p_fmt->audio.i_rate;
             id->pf_packetize = rtp_packetize_amr;
             break;
+        case VLC_FOURCC( 's', 'p', 'x', ' ' ):
+            id->i_payload_type = p_sys->i_payload_type++;
+            id->psz_enc = "SPEEX";
+            id->pf_packetize = rtp_packetize_spx;
+            break;
+        case VLC_FOURCC( 't', '1', '4', '0' ):
+            id->psz_enc = "t140" ;
+            id->i_clock_rate = 1000;
+            id->pf_packetize = rtp_packetize_t140;
+            break;
 
         default:
             msg_Err( p_stream, "cannot add this stream (unsupported "
                      "codec:%4.4s)", (char*)&p_fmt->i_codec );
-            if( id->sinkc > 0 )
-                rtp_del_sink( id, id->sinkv[0].rtp_fd );
-            vlc_thread_join( id );
-            vlc_mutex_destroy( &id->lock_sink );
-            vlc_object_destroy( id );
-            return NULL;
+            goto error;
     }
 
     if( cscov != -1 )
@@ -1148,9 +1136,15 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
 
     if( p_sys->rtsp != NULL )
         id->rtsp_id = RtspAddId( p_sys->rtsp, id, p_sys->i_es,
+                                 GetDWBE( id->ssrc ),
                                  p_sys->psz_destination,
                                  p_sys->i_ttl, id->i_port, id->i_port + 1 );
 
+    id->p_fifo = block_FifoNew( p_stream );
+    if( vlc_thread_create( id, "RTP send thread", ThreadSend,
+                           VLC_THREAD_PRIORITY_HIGHEST, VLC_FALSE ) )
+        goto error;
+
     /* Update p_sys context */
     vlc_mutex_lock( &p_sys->lock_es );
     TAB_APPEND( p_sys->i_es, p_sys->es, id );
@@ -1163,23 +1157,30 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
     p_sys->psz_sdp = psz_sdp;
     vlc_mutex_unlock( &p_sys->lock_sdp );
 
-    p_sys->i_sdp_version++;
-
     msg_Dbg( p_stream, "sdp=\n%s", p_sys->psz_sdp );
 
     /* Update SDP (sap/file) */
     if( p_sys->b_export_sap ) SapSetup( p_stream );
     if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
 
-    vlc_object_attach( id, p_stream );
     return id;
+
+error:
+    Del( p_stream, id );
+    return NULL;
 }
 
 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
 {
     sout_stream_sys_t *p_sys = p_stream->p_sys;
 
-    vlc_object_kill( id );
+    if( id->p_fifo != NULL )
+    {
+        vlc_object_kill( id );
+        block_FifoWake( id->p_fifo );
+        vlc_thread_join( id );
+        block_FifoRelease( id->p_fifo );
+    }
 
     vlc_mutex_lock( &p_sys->lock_es );
     TAB_REMOVE( p_sys->i_es, p_sys->es, id );
@@ -1194,24 +1195,23 @@ static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
             p_sys->i_port_video = id->i_port;
     }
 
-    free( id->psz_rtpmap );
     free( id->psz_fmtp );
 
     if( id->rtsp_id )
         RtspDelId( p_sys->rtsp, id->rtsp_id );
     if( id->sinkc > 0 )
         rtp_del_sink( id, id->sinkv[0].rtp_fd ); /* sink for explicit dst= */
+    if( id->listen_fd != NULL )
+        net_ListenClose( id->listen_fd );
 
-    vlc_thread_join( id );
     vlc_mutex_destroy( &id->lock_sink );
-    block_FifoRelease( id->p_fifo );
 
     /* Update SDP (sap/file) */
     if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
     if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
 
     vlc_object_detach( id );
-    vlc_object_destroy( id );
+    vlc_object_release( id );
     return VLC_SUCCESS;
 }
 
@@ -1241,25 +1241,24 @@ static int SapSetup( sout_stream_t *p_stream )
 {
     sout_stream_sys_t *p_sys = p_stream->p_sys;
     sout_instance_t   *p_sout = p_stream->p_sout;
-    announce_method_t *p_method = sout_SAPMethod();
 
     /* Remove the previous session */
     if( p_sys->p_session != NULL)
     {
         sout_AnnounceUnRegister( p_sout, p_sys->p_session);
-        sout_AnnounceSessionDestroy( p_sys->p_session );
         p_sys->p_session = NULL;
     }
 
     if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
     {
-        p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, SOUT_CFG_PREFIX,
+        announce_method_t *p_method = sout_SAPMethod();
+        p_sys->p_session = sout_AnnounceRegisterSDP( p_sout,
                                                      p_sys->psz_sdp,
                                                      p_sys->psz_destination,
                                                      p_method );
+        sout_MethodRelease( p_method );
     }
 
-    sout_MethodRelease( p_method );
     return VLC_SUCCESS;
 }
 
@@ -1273,8 +1272,8 @@ static int FileSetup( sout_stream_t *p_stream )
 
     if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
     {
-        msg_Err( p_stream, "cannot open file '%s' (%s)",
-                 p_sys->psz_sdp_file, strerror(errno) );
+        msg_Err( p_stream, "cannot open file '%s' (%m)",
+                 p_sys->psz_sdp_file );
         return VLC_EGENERIC;
     }
 
@@ -1316,6 +1315,7 @@ static int  HttpCallback( httpd_file_sys_t *p_args,
                           httpd_file_t *f, uint8_t *p_request,
                           uint8_t **pp_data, int *pi_data )
 {
+    VLC_UNUSED(f); VLC_UNUSED(p_request);
     sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
 
     vlc_mutex_lock( &p_sys->lock_sdp );
@@ -1357,6 +1357,9 @@ static void ThreadSend( vlc_object_t *p_this )
     while( !id->b_die )
     {
         block_t *out = block_FifoGet( id->p_fifo );
+        if( out == NULL )
+            continue; /* Forced wakeup */
+
         mtime_t  i_date = out->i_dts + i_caching;
         ssize_t  len = out->i_buffer;
 
@@ -1369,6 +1372,9 @@ static void ThreadSend( vlc_object_t *p_this )
         mwait( i_date );
 
         vlc_mutex_lock( &id->lock_sink );
+        unsigned deadc = 0; /* How many dead sockets? */
+        int deadv[id->sinkc]; /* Dead sockets list */
+
         for( int i = 0; i < id->sinkc; i++ )
         {
             SendRTCP( id->sinkv[i].rtcp, out );
@@ -1378,11 +1384,20 @@ static void ThreadSend( vlc_object_t *p_this )
             if( splice( fd[2], NULL, id->sinkv[i].rtp_fd, NULL, len,
                         SPLICE_F_NONBLOCK ) >= 0 )
                 continue;
+            if( errno == EAGAIN )
+                continue;
 
             /* splice failed */
             splice( fd[2], NULL, fd[4], NULL, len, 0 );
+#else
+            if( send( id->sinkv[i].rtp_fd, out->p_buffer, len, 0 ) >= 0 )
+                continue;
 #endif
-            send( id->sinkv[i].rtp_fd, out->p_buffer, len, 0 );
+            /* Retry sending to root out soft-errors */
+            if( send( id->sinkv[i].rtp_fd, out->p_buffer, len, 0 ) >= 0 )
+                continue;
+
+            deadv[deadc++] = id->sinkv[i].rtp_fd;
         }
         vlc_mutex_unlock( &id->lock_sink );
 
@@ -1390,6 +1405,22 @@ static void ThreadSend( vlc_object_t *p_this )
 #ifdef HAVE_TEE
         splice( fd[0], NULL, fd[4], NULL, len, 0 );
 #endif
+
+        for( unsigned i = 0; i < deadc; i++ )
+        {
+            msg_Dbg( id, "removing socket %d", deadv[i] );
+            rtp_del_sink( id, deadv[i] );
+        }
+
+        /* Hopefully we won't overflow the SO_MAXCONN accept queue */
+        while( id->listen_fd != NULL )
+        {
+            int fd = net_Accept( id, id->listen_fd, 0 );
+            if( fd == -1 )
+                break;
+            msg_Dbg( id, "adding socket %d", fd );
+            rtp_add_sink( id, fd, VLC_TRUE );
+        }
     }
 
 #ifdef HAVE_TEE
@@ -1398,15 +1429,11 @@ static void ThreadSend( vlc_object_t *p_this )
 #endif
 }
 
-static inline void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
-{
-    block_FifoPut( id->p_fifo, out );
-}
-
-int rtp_add_sink( sout_stream_id_t *id, int fd )
+int rtp_add_sink( sout_stream_id_t *id, int fd, vlc_bool_t rtcp_mux )
 {
     rtp_sink_t sink = { fd, NULL };
-    sink.rtcp = OpenRTCP( VLC_OBJECT( id->p_stream ), fd, IPPROTO_UDP );
+    sink.rtcp = OpenRTCP( VLC_OBJECT( id->p_stream ), fd, IPPROTO_UDP,
+                          rtcp_mux );
     if( sink.rtcp == NULL )
         msg_Err( id, "RTCP failed!" );
 
@@ -1437,11 +1464,34 @@ void rtp_del_sink( sout_stream_id_t *id, int fd )
     net_Close( sink.rtp_fd );
 }
 
-/****************************************************************************
- * rtp_packetize_*:
- ****************************************************************************/
-static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
-                                  int b_marker, int64_t i_pts )
+uint16_t rtp_get_seq( const sout_stream_id_t *id )
+{
+    /* This will return values for the next packet.
+     * Accounting for caching would not be totally trivial. */
+    return id->i_sequence;
+}
+
+/* FIXME: this is pretty bad - if we remove and then insert an ES
+ * the number will get unsynched from inside RTSP */
+unsigned rtp_get_num( const sout_stream_id_t *id )
+{
+    sout_stream_sys_t *p_sys = id->p_stream->p_sys;
+    int i;
+
+    vlc_mutex_lock( &p_sys->lock_es );
+    for( i = 0; i < p_sys->i_es; i++ )
+    {
+        if( id == p_sys->es[i] )
+            break;
+    }
+    vlc_mutex_unlock( &p_sys->lock_es );
+
+    return i;
+}
+
+
+void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
+                           int b_marker, int64_t i_pts )
 {
     uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
 
@@ -1460,596 +1510,29 @@ static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
     id->i_sequence++;
 }
 
-static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
-                              block_t *in )
-{
-    int     i_max   = id->i_mtu - 12 - 4; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i;
-
-    for( i = 0; i < i_count; i++ )
-    {
-        int           i_payload = __MIN( i_max, i_data );
-        block_t *out = block_New( p_stream, 16 + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
-        /* mbz set to 0 */
-        out->p_buffer[12] = 0;
-        out->p_buffer[13] = 0;
-        /* fragment offset in the current frame */
-        out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
-        out->p_buffer[15] = ( (i*i_max)      )&0xff;
-        memcpy( &out->p_buffer[16], p_data, i_payload );
-
-        out->i_buffer   = 16 + i_payload;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
-}
-
-/* rfc2250 */
-static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
-                              block_t *in )
+void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
 {
-    int     i_max   = id->i_mtu - 12 - 4; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i;
-    int     b_sequence_start = 0;
-    int     i_temporal_ref = 0;
-    int     i_picture_coding_type = 0;
-    int     i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
-    int     b_start_slice = 0;
-
-    /* preparse this packet to get some info */
-    if( in->i_buffer > 4 )
-    {
-        uint8_t *p = p_data;
-        int      i_rest = in->i_buffer;
-
-        for( ;; )
-        {
-            while( i_rest > 4 &&
-                   ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
-            {
-                p++;
-                i_rest--;
-            }
-            if( i_rest <= 4 )
-            {
-                break;
-            }
-            p += 3;
-            i_rest -= 4;
-
-            if( *p == 0xb3 )
-            {
-                /* sequence start code */
-                b_sequence_start = 1;
-            }
-            else if( *p == 0x00 && i_rest >= 4 )
-            {
-                /* picture */
-                i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
-                i_picture_coding_type = (p[2] >> 3)&0x07;
-
-                if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
-                                    i_picture_coding_type == 3 ) )
-                {
-                    i_ffv = (p[3] >> 2)&0x01;
-                    i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
-                    if( i_rest > 4 && i_picture_coding_type == 3 )
-                    {
-                        i_fbv = (p[4]>>6)&0x01;
-                        i_bfc = (p[4]>>3)&0x07;
-                    }
-                }
-            }
-            else if( *p <= 0xaf )
-            {
-                b_start_slice = 1;
-            }
-        }
-    }
-
-    for( i = 0; i < i_count; i++ )
-    {
-        int           i_payload = __MIN( i_max, i_data );
-        block_t *out = block_New( p_stream,
-                                             16 + i_payload );
-        uint32_t      h = ( i_temporal_ref << 16 )|
-                          ( b_sequence_start << 13 )|
-                          ( b_start_slice << 12 )|
-                          ( i == i_count - 1 ? 1 << 11 : 0 )|
-                          ( i_picture_coding_type << 8 )|
-                          ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
-                              in->i_pts > 0 ? in->i_pts : in->i_dts );
-
-        /* MBZ:5 T:1 TR:10 AN:1 N:1 S:1 B:1 E:1 P:3 FBV:1 BFC:3 FFV:1 FFC:3 */
-        out->p_buffer[12] = ( h >> 24 )&0xff;
-        out->p_buffer[13] = ( h >> 16 )&0xff;
-        out->p_buffer[14] = ( h >>  8 )&0xff;
-        out->p_buffer[15] = ( h       )&0xff;
-
-        memcpy( &out->p_buffer[16], p_data, i_payload );
-
-        out->i_buffer   = 16 + i_payload;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
-}
-
-static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
-                              block_t *in )
-{
-    int     i_max   = id->i_mtu - 12 - 2; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i;
-
-    for( i = 0; i < i_count; i++ )
-    {
-        int           i_payload = __MIN( i_max, i_data );
-        block_t *out = block_New( p_stream, 14 + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
-        /* unit count */
-        out->p_buffer[12] = 1;
-        /* unit header */
-        out->p_buffer[13] = 0x00;
-        /* data */
-        memcpy( &out->p_buffer[14], p_data, i_payload );
-
-        out->i_buffer   = 14 + i_payload;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
-}
-
-static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
-                                block_t *in )
-{
-    int     i_max   = id->i_mtu - 12; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i;
-
-    for( i = 0; i < i_count; i++ )
-    {
-        int           i_payload = __MIN( i_max, i_data );
-        block_t *out = block_New( p_stream, 12 + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
-                              (in->i_pts > 0 ? in->i_pts : in->i_dts) );
-        memcpy( &out->p_buffer[12], p_data, i_payload );
-
-        out->i_buffer   = 12 + i_payload;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
-}
-
-/* rfc3016 */
-static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
-                                block_t *in )
-{
-    int     i_max   = id->i_mtu - 14;              /* payload max in one packet */
-    int     latmhdrsize = in->i_buffer / 0xff + 1;
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer, *p_header = NULL;
-    int     i_data  = in->i_buffer;
-    int     i;
-
-    for( i = 0; i < i_count; i++ )
-    {
-        int     i_payload = __MIN( i_max, i_data );
-        block_t *out;
-
-        if( i != 0 )
-            latmhdrsize = 0;
-        out = block_New( p_stream, 12 + latmhdrsize + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
-                              (in->i_pts > 0 ? in->i_pts : in->i_dts) );
-
-        if( i == 0 )
-        {
-            int tmp = in->i_buffer;
-
-            p_header=out->p_buffer+12;
-            while( tmp > 0xfe )
-            {
-                *p_header = 0xff;
-                p_header++;
-                tmp -= 0xff;
-            }
-            *p_header = tmp;
-        }
-
-        memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
-
-        out->i_buffer   = 12 + latmhdrsize + i_payload;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
-}
-
-static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
-                              block_t *in )
-{
-    int     i_max   = id->i_mtu - 12; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i_packet = 0;
-
-    while( i_data > 0 )
-    {
-        int           i_payload = (__MIN( i_max, i_data )/4)*4;
-        block_t *out = block_New( p_stream, 12 + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, 0,
-                              (in->i_pts > 0 ? in->i_pts : in->i_dts) );
-        memcpy( &out->p_buffer[12], p_data, i_payload );
-
-        out->i_buffer   = 12 + i_payload;
-        out->i_dts    = in->i_dts + i_packet * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-        i_packet++;
-    }
-
-    return VLC_SUCCESS;
-}
-
-static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
-                             block_t *in )
-{
-    int     i_max   = id->i_mtu - 12; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i_packet = 0;
-
-    while( i_data > 0 )
-    {
-        int           i_payload = (__MIN( i_max, i_data )/2)*2;
-        block_t *out = block_New( p_stream, 12 + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, 0,
-                              (in->i_pts > 0 ? in->i_pts : in->i_dts) );
-        memcpy( &out->p_buffer[12], p_data, i_payload );
-
-        out->i_buffer   = 12 + i_payload;
-        out->i_dts    = in->i_dts + i_packet * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-        i_packet++;
-    }
-
-    return VLC_SUCCESS;
+    block_FifoPut( id->p_fifo, out );
 }
 
-static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
-                               block_t *in )
+/**
+ * @return configured max RTP payload size (including payload type-specific
+ * headers, excluding RTP and transport headers)
+ */
+size_t rtp_mtu (const sout_stream_id_t *id)
 {
-    int     i_max   = id->i_mtu - 16; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i;
-
-    for( i = 0; i < i_count; i++ )
-    {
-        int           i_payload = __MIN( i_max, i_data );
-        block_t *out = block_New( p_stream, 16 + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
-                              (in->i_pts > 0 ? in->i_pts : in->i_dts) );
-        /* AU headers */
-        /* AU headers length (bits) */
-        out->p_buffer[12] = 0;
-        out->p_buffer[13] = 2*8;
-        /* for each AU length 13 bits + idx 3bits, */
-        out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
-        out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
-
-        memcpy( &out->p_buffer[16], p_data, i_payload );
-
-        out->i_buffer   = 16 + i_payload;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
+    return id->i_mtu - 12;
 }
 
-
-/* rfc2429 */
-#define RTP_H263_HEADER_SIZE (2)  // plen = 0
-#define RTP_H263_PAYLOAD_START (14)  // plen = 0
-static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
-                               block_t *in )
+/**
+ * @return number of audio samples to include for a given packetization time
+ * (this really only makes sense for audio formats).
+ */
+size_t rtp_plen (const sout_stream_id_t * id, unsigned ptime_ms)
 {
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i;
-    int     i_max   = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
-    int     i_count;
-    int     b_p_bit;
-    int     b_v_bit = 0; // no pesky error resilience
-    int     i_plen = 0; // normally plen=0 for PSC packet
-    int     i_pebit = 0; // because plen=0
-    uint16_t h;
-
-    if( i_data < 2 )
-    {
-        return VLC_EGENERIC;
-    }
-    if( p_data[0] || p_data[1] )
-    {
-        return VLC_EGENERIC;
-    }
-    /* remove 2 leading 0 bytes */
-    p_data += 2;
-    i_data -= 2;
-    i_count = ( i_data + i_max - 1 ) / i_max;
-
-    for( i = 0; i < i_count; i++ )
-    {
-        int      i_payload = __MIN( i_max, i_data );
-        block_t *out = block_New( p_stream,
-                                  RTP_H263_PAYLOAD_START + i_payload );
-        b_p_bit = (i == 0) ? 1 : 0;
-        h = ( b_p_bit << 10 )|
-            ( b_v_bit << 9  )|
-            ( i_plen  << 3  )|
-              i_pebit;
-
-        /* rtp common header */
-        //b_m_bit = 1; // always contains end of frame
-        rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
-                              in->i_pts > 0 ? in->i_pts : in->i_dts );
-
-        /* h263 header */
-        out->p_buffer[12] = ( h >>  8 )&0xff;
-        out->p_buffer[13] = ( h       )&0xff;
-        memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
-
-        out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
+    return id->i_channels * (((id->i_clock_rate - 1) * ptime_ms / 1000) + 1);
 }
 
-/* rfc3984 */
-static int
-rtp_packetize_h264_nal( sout_stream_t *p_stream, sout_stream_id_t *id,
-                        const uint8_t *p_data, int i_data, int64_t i_pts,
-                        int64_t i_dts, vlc_bool_t b_last, int64_t i_length )
-{
-    const int i_max = id->i_mtu - 12; /* payload max in one packet */
-    int i_nal_hdr;
-    int i_nal_type;
-
-    if( i_data < 5 )
-        return VLC_SUCCESS;
-
-    i_nal_hdr = p_data[3];
-    i_nal_type = i_nal_hdr&0x1f;
-
-    /* Skip start code */
-    p_data += 3;
-    i_data -= 3;
-
-    /* */
-    if( i_data <= i_max )
-    {
-        /* Single NAL unit packet */
-        block_t *out = block_New( p_stream, 12 + i_data );
-        out->i_dts    = i_dts;
-        out->i_length = i_length;
-
-        /* */
-        rtp_packetize_common( id, out, b_last, i_pts );
-        out->i_buffer = 12 + i_data;
-
-        memcpy( &out->p_buffer[12], p_data, i_data );
-
-        rtp_packetize_send( id, out );
-    }
-    else
-    {
-        /* FU-A Fragmentation Unit without interleaving */
-        const int i_count = ( i_data-1 + i_max-2 - 1 ) / (i_max-2);
-        int i;
-
-        p_data++;
-        i_data--;
-
-        for( i = 0; i < i_count; i++ )
-        {
-            const int i_payload = __MIN( i_data, i_max-2 );
-            block_t *out = block_New( p_stream, 12 + 2 + i_payload );
-            out->i_dts    = i_dts + i * i_length / i_count;
-            out->i_length = i_length / i_count;
-
-            /* */
-            rtp_packetize_common( id, out, (b_last && i_payload == i_data), i_pts );
-            out->i_buffer = 14 + i_payload;
-
-            /* FU indicator */
-            out->p_buffer[12] = 0x00 | (i_nal_hdr & 0x60) | 28;
-            /* FU header */
-            out->p_buffer[13] = ( i == 0 ? 0x80 : 0x00 ) | ( (i == i_count-1) ? 0x40 : 0x00 )  | i_nal_type;
-            memcpy( &out->p_buffer[14], p_data, i_payload );
-
-            rtp_packetize_send( id, out );
-
-            i_data -= i_payload;
-            p_data += i_payload;
-        }
-    }
-    return VLC_SUCCESS;
-}
-
-static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
-                               block_t *in )
-{
-    const uint8_t *p_buffer = in->p_buffer;
-    int i_buffer = in->i_buffer;
-
-    while( i_buffer > 4 && ( p_buffer[0] != 0 || p_buffer[1] != 0 || p_buffer[2] != 1 ) )
-    {
-        i_buffer--;
-        p_buffer++;
-    }
-
-    /* Split nal units */
-    while( i_buffer > 4 )
-    {
-        int i_offset;
-        int i_size = i_buffer;
-        int i_skip = i_buffer;
-
-        /* search nal end */
-        for( i_offset = 4; i_offset+2 < i_buffer ; i_offset++)
-        {
-            if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 1 )
-            {
-                /* we found another startcode */
-                i_size = i_offset - ( p_buffer[i_offset-1] == 0 ? 1 : 0);
-                i_skip = i_offset;
-                break;
-            } 
-        }
-        /* TODO add STAP-A to remove a lot of overhead with small slice/sei/... */
-        rtp_packetize_h264_nal( p_stream, id, p_buffer, i_size,
-                                (in->i_pts > 0 ? in->i_pts : in->i_dts), in->i_dts,
-                                (i_size >= i_buffer), in->i_length * i_size / in->i_buffer );
-
-        i_buffer -= i_skip;
-        p_buffer += i_skip;
-    }
-    return VLC_SUCCESS;
-}
-
-static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
-                              block_t *in )
-{
-    int     i_max   = id->i_mtu - 14; /* payload max in one packet */
-    int     i_count = ( in->i_buffer + i_max - 1 ) / i_max;
-
-    uint8_t *p_data = in->p_buffer;
-    int     i_data  = in->i_buffer;
-    int     i;
-
-    /* Only supports octet-aligned mode */
-    for( i = 0; i < i_count; i++ )
-    {
-        int           i_payload = __MIN( i_max, i_data );
-        block_t *out = block_New( p_stream, 14 + i_payload );
-
-        /* rtp common header */
-        rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
-                              (in->i_pts > 0 ? in->i_pts : in->i_dts) );
-        /* Payload header */
-        out->p_buffer[12] = 0xF0; /* CMR */
-        out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
-
-        /* FIXME: are we fed multiple frames ? */
-        memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
-
-        out->i_buffer   = 14 + i_payload-1;
-        out->i_dts    = in->i_dts + i * in->i_length / i_count;
-        out->i_length = in->i_length / i_count;
-
-        rtp_packetize_send( id, out );
-
-        p_data += i_payload;
-        i_data -= i_payload;
-    }
-
-    return VLC_SUCCESS;
-}
 
 /*****************************************************************************
  * Non-RTP mux