]> git.sesse.net Git - vlc/blobdiff - modules/misc/rtsp.c
vod_rtsp: fix scope of variables
[vlc] / modules / misc / rtsp.c
index 0f820aa35d2932f4492d04375854bd2067d25966..5e17e53f568b7dd17cfb38ebeb0be9d88731acc2 100644 (file)
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#define _GNU_SOURCE
 
-#include <errno.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
-#include <vlc/vlc.h>
+#include <vlc_common.h>
+#include <vlc_plugin.h>
 #include <vlc_input.h>
 #include <vlc_sout.h>
 #include <vlc_block.h>
 
-#include "vlc_httpd.h"
-#include "vlc_vod.h"
-#include "vlc_url.h"
+#include <vlc_httpd.h>
+#include <vlc_vod.h>
+#include <vlc_url.h>
 #include <vlc_network.h>
 #include <vlc_charset.h>
 #include <vlc_strings.h>
+#include <vlc_rand.h>
+
+#ifndef WIN32
+# include <locale.h>
+#endif
+
+#ifdef HAVE_XLOCALE_H
+# include <xlocale.h>
+#endif
 
 /*****************************************************************************
  * Module descriptor
@@ -54,8 +65,8 @@ static void Close( vlc_object_t * );
     "interfaces (address 0.0.0.0), on port 554, with no path.\nTo 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 " \
+#define THROTTLE_TEXT N_( "Maximum number of connections" )
+#define THROTTLE_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" )
@@ -67,21 +78,22 @@ static void Close( vlc_object_t * );
     "the timeout option entirely. This is needed by some IPTV STBs (such as " \
     "those made by HansunTech) which get confused by it. The default is 5." )
 
-vlc_module_begin();
-    set_shortname( _("RTSP VoD" ) );
-    set_description( _("RTSP VoD server") );
-    set_category( CAT_SOUT );
-    set_subcategory( SUBCAT_SOUT_VOD );
-    set_capability( "vod server", 1 );
-    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_begin ()
+    set_shortname( N_("RTSP VoD" ) )
+    set_description( N_("RTSP VoD server") )
+    set_category( CAT_SOUT )
+    set_subcategory( SUBCAT_SOUT_VOD )
+    set_capability( "vod server", 1 )
+    set_callbacks( Open, Close )
+    add_shortcut( "rtsp" )
+    add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, true )
+    add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT,
+                RAWMUX_TEXT, true )
+    add_integer( "rtsp-throttle-users", 0, NULL, THROTTLE_TEXT,
+                 THROTTLE_LONGTEXT, true )
     add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT,
-                 SESSION_TIMEOUT_LONGTEXT, VLC_TRUE );
-vlc_module_end();
+                 SESSION_TIMEOUT_LONGTEXT, true )
+vlc_module_end ()
 
 /*****************************************************************************
  * Exported prototypes
@@ -92,7 +104,6 @@ typedef struct media_es_t media_es_t;
 typedef struct
 {
     media_es_t *p_media_es;
-    char *psz_ip;
     int i_port;
 
 } rtsp_client_es_t;
@@ -100,10 +111,9 @@ typedef struct
 typedef struct
 {
     char *psz_session;
-    int64_t i_last; /* for timeout */
 
-    vlc_bool_t b_playing; /* is it in "play" state */
-    vlc_bool_t b_paused; /* is it in "pause" state */
+    bool b_playing; /* is it in "play" state */
+    bool b_paused; /* is it in "pause" state */
 
     int i_es;
     rtsp_client_es_t **es;
@@ -121,9 +131,10 @@ struct media_es_t
     vod_media_t *p_media;
 
     es_format_t fmt;
-    int         i_port;
     uint8_t     i_payload_type;
-    char        *psz_rtpmap;
+    const char  *psz_ptname;
+    unsigned    i_clock_rate;
+    unsigned    i_channels;
     char        *psz_fmtp;
 
 };
@@ -141,34 +152,21 @@ struct vod_media_t
     char         *psz_rtsp_control_v6;
     char         *psz_rtsp_path;
 
-    int  i_port;
-    int  i_port_audio;
-    int  i_port_video;
-    int  i_ttl;
     int  i_payload_type;
 
-    int64_t i_sdp_id;
-    int     i_sdp_version;
-
-    vlc_bool_t b_multicast;
-
     vlc_mutex_t lock;
 
     /* ES list */
     int        i_es;
     media_es_t **es;
-    char       *psz_mux;
-    vlc_bool_t  b_raw;
+    const char *psz_mux;
+    bool  b_raw;
 
     /* RTSP client */
     int           i_rtsp;
     rtsp_client_t **rtsp;
 
     /* Infos */
-    char *psz_session_name;
-    char *psz_session_description;
-    char *psz_session_url;
-    char *psz_session_email;
     mtime_t i_length;
 };
 
@@ -186,7 +184,6 @@ struct vod_sys_t
     int i_session_timeout;
 
     /* List of media */
-    vlc_mutex_t lock_media;
     int i_media_id;
     int i_media;
     vod_media_t **media;
@@ -206,25 +203,40 @@ typedef enum
     RTSP_CMD_TYPE_SEEK,
     RTSP_CMD_TYPE_REWIND,
     RTSP_CMD_TYPE_FORWARD,
+
+    RTSP_CMD_TYPE_ADD,
+    RTSP_CMD_TYPE_DEL,
 } rtsp_cmd_type_t;
 
+/* */
+typedef struct
+{
+    int i_type;
+    int i_media_id;
+    vod_media_t *p_media;
+    char *psz_session;
+    char *psz_arg;
+    double f_arg;
+} rtsp_cmd_t;
+
 static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
 static void         MediaDel( vod_t *, vod_media_t * );
+static void         MediaAskDel ( vod_t *, vod_media_t * );
 static int          MediaAddES( vod_t *, vod_media_t *, es_format_t * );
 static void         MediaDelES( vod_t *, vod_media_t *, es_format_t * );
 
-static void CommandThread( vlc_object_t *p_this );
-static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
-                         double f_arg, const char *psz_arg );
+static void* CommandThread( vlc_object_t *p_this );
+static void  CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
+                          double f_arg, const char *psz_arg );
 
 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
 static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
 static void           RtspClientDel( vod_media_t *, rtsp_client_t * );
 
 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
-                         httpd_message_t *, httpd_message_t * );
+                         httpd_message_t *, const httpd_message_t * );
 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
-                           httpd_message_t *, httpd_message_t * );
+                           httpd_message_t *, const httpd_message_t * );
 
 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
 
@@ -247,13 +259,13 @@ static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
 static int Open( vlc_object_t *p_this )
 {
     vod_t *p_vod = (vod_t *)p_this;
-    vod_sys_t *p_sys = 0;
-    char *psz_url = 0;
+    vod_sys_t *p_sys = NULL;
+    char *psz_url = NULL;
     vlc_url_t url;
 
-    psz_url = config_GetPsz( p_vod, "rtsp-host" );
+    psz_url = var_InheritString( p_vod, "rtsp-host" );
     vlc_UrlParse( &url, psz_url, 0 );
-    if( psz_url ) free( psz_url );
+    free( psz_url );
 
     if( url.i_port <= 0 ) url.i_port = 554;
 
@@ -283,19 +295,17 @@ static int Open( vlc_object_t *p_this )
 
     vlc_UrlClean( &url );
 
-    vlc_mutex_init( p_vod, &p_sys->lock_media );
-
     TAB_INIT( p_sys->i_media, p_sys->media );
     p_sys->i_media_id = 0;
 
     p_vod->pf_media_new = MediaNew;
-    p_vod->pf_media_del = MediaDel;
+    p_vod->pf_media_del = MediaAskDel;
     p_vod->pf_media_add_es = MediaAddES;
     p_vod->pf_media_del_es = MediaDelES;
 
-    p_sys->p_fifo_cmd = block_FifoNew( p_vod );
+    p_sys->p_fifo_cmd = block_FifoNew();
     if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread,
-                           VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
+                           VLC_THREAD_PRIORITY_LOW ) )
     {
         msg_Err( p_vod, "cannot spawn rtsp vod thread" );
         block_FifoRelease( p_sys->p_fifo_cmd );
@@ -306,9 +316,12 @@ static int Open( vlc_object_t *p_this )
     return VLC_SUCCESS;
 
 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 );
+    if( p_sys )
+    {
+        if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
+        free( p_sys->psz_raw_mux );
+        free( p_sys );
+    }
     vlc_UrlClean( &url );
 
     return VLC_EGENERIC;
@@ -327,6 +340,17 @@ static void Close( vlc_object_t * p_this )
     CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL );
     vlc_thread_join( p_vod );
 
+    while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
+    {
+        rtsp_cmd_t cmd;
+        block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
+        memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
+        block_Release( p_block_cmd );
+        if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
+            MediaDel(p_vod, cmd.p_media);
+        free( cmd.psz_session );
+        free( cmd.psz_arg );
+    }
     block_FifoRelease( p_sys->p_fifo_cmd );
 
     httpd_HostDelete( p_sys->p_rtsp_host );
@@ -339,8 +363,6 @@ static void Close( vlc_object_t * p_this )
         msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
     TAB_CLEAN( p_sys->i_media, p_sys->media );
 
-    vlc_mutex_destroy( &p_sys->lock_media );
-
     free( p_sys->psz_path );
     free( p_sys->psz_raw_mux );
     free( p_sys );
@@ -352,24 +374,22 @@ static void Close( vlc_object_t * p_this )
 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
                               input_item_t *p_item )
 {
-    vod_sys_t *p_sys = p_vod->p_sys;
-    vod_media_t *p_media = malloc( sizeof(vod_media_t) );
     int i;
+    vod_sys_t *p_sys = p_vod->p_sys;
 
+    vod_media_t *p_media = calloc( 1, sizeof(vod_media_t) );
     if( !p_media )
-    {
-        msg_Err( p_vod, "not enough memory" );
         return NULL;
-    }
 
-    memset( p_media, 0, sizeof(vod_media_t) );
     p_media->id = p_sys->i_media_id++;
     TAB_INIT( p_media->i_es, p_media->es );
-    p_media->psz_mux = 0;
+    p_media->psz_mux = NULL;
     TAB_INIT( p_media->i_rtsp, p_media->rtsp );
-    p_media->b_raw = VLC_FALSE;
+    p_media->b_raw = false;
 
-    asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
+    if( asprintf( &p_media->psz_rtsp_path, "%s%s",
+                  p_sys->psz_path, psz_name ) <0 )
+        return NULL;
     p_media->p_rtsp_url =
         httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
                             NULL, NULL );
@@ -384,12 +404,24 @@ static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
 
     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",
-               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",
-              p_sys->i_port, p_media->psz_rtsp_path );
+    if( asprintf( &p_media->psz_rtsp_control_v4,
+               "rtsp://%%s:%d%s/trackID=%%d",
+               p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
+    {
+        httpd_UrlDelete( p_media->p_rtsp_url );
+        free( p_media->psz_rtsp_path );
+        free( p_media );
+        return NULL;
+    }
+    if( asprintf( &p_media->psz_rtsp_control_v6,
+               "rtsp://[%%s]:%d%s/trackID=%%d",
+              p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
+    {
+        httpd_UrlDelete( p_media->p_rtsp_url );
+        free( p_media->psz_rtsp_path );
+        free( p_media );
+        return NULL;
+    }
 
     httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
                     RtspCallback, (void*)p_media );
@@ -406,24 +438,11 @@ static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
 
     p_media->p_vod = p_vod;
 
-    vlc_mutex_lock( &p_sys->lock_media );
-    TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
-    vlc_mutex_unlock( &p_sys->lock_media );
+    vlc_mutex_init( &p_media->lock );
 
-    vlc_mutex_init( p_vod, &p_media->lock );
-    p_media->psz_session_name = strdup("");
-    p_media->psz_session_description = strdup("");
-    p_media->psz_session_url = strdup("");
-    p_media->psz_session_email = strdup("");
-
-    p_media->i_port_audio = 1234;
-    p_media->i_port_video = 1236;
-    p_media->i_port       = 1238;
     p_media->i_payload_type = 96;
 
-    p_media->i_sdp_id = mdate();
-    p_media->i_sdp_version = 1;
-    p_media->i_length = p_item->i_duration;
+    p_media->i_length = input_item_GetDuration( p_item );
 
     vlc_mutex_lock( &p_item->lock );
     msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
@@ -433,27 +452,32 @@ static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
     }
     vlc_mutex_unlock( &p_item->lock );
 
+    CommandPush( p_vod, RTSP_CMD_TYPE_ADD, p_media, NULL, 0.0, NULL );
     return p_media;
 }
 
+static void MediaAskDel ( vod_t *p_vod, vod_media_t *p_media )
+{
+    CommandPush( p_vod, RTSP_CMD_TYPE_DEL, p_media, NULL, 0.0, NULL );
+}
+
 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
 {
     vod_sys_t *p_sys = p_vod->p_sys;
 
     msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
 
-    vlc_mutex_lock( &p_sys->lock_media );
     TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
-    vlc_mutex_unlock( &p_sys->lock_media );
+
+    httpd_UrlDelete( p_media->p_rtsp_url );
 
     while( p_media->i_rtsp > 0 )
         RtspClientDel( p_media, p_media->rtsp[0] );
     TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
 
-    httpd_UrlDelete( p_media->p_rtsp_url );
-    if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
-    if( p_media->psz_rtsp_control_v6 ) free( p_media->psz_rtsp_control_v6 );
-    if( p_media->psz_rtsp_control_v4 ) free( p_media->psz_rtsp_control_v4 );
+    free( p_media->psz_rtsp_path );
+    free( p_media->psz_rtsp_control_v6 );
+    free( p_media->psz_rtsp_control_v4 );
 
     while( p_media->i_es )
         MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
@@ -461,38 +485,46 @@ static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
 
     vlc_mutex_destroy( &p_media->lock );
 
-    if( p_media->psz_session_name ) free( p_media->psz_session_name );
-    if( p_media->psz_session_description ) free( p_media->psz_session_description );
-    if( p_media->psz_session_url ) free( p_media->psz_session_url );
-    if( p_media->psz_session_email ) free( p_media->psz_session_email );
-    if( p_media->psz_mux ) free( p_media->psz_mux );
     free( p_media );
 }
 
 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
 {
-    media_es_t *p_es = malloc( sizeof(media_es_t) );
     char *psz_urlc;
 
-    if( !p_es ) return VLC_ENOMEM;
-    memset( p_es, 0, sizeof(media_es_t) );
+    if( p_media->i_payload_type >= 128 )
+    {
+        msg_Err( p_vod, "too many elementary streams");
+        return VLC_EGENERIC;
+    }
+
+    media_es_t *p_es = calloc( 1, sizeof(media_es_t) );
+    if( !p_es )
+        return VLC_ENOMEM;
 
-    if( p_media->psz_mux ) free( p_media->psz_mux );
     p_media->psz_mux = NULL;
 
     /* TODO: update SDP, etc... */
-    asprintf( &psz_urlc, "%s/trackID=%d",
-              p_media->psz_rtsp_path, p_media->i_es );
+    if( asprintf( &psz_urlc, "%s/trackID=%d",
+              p_media->psz_rtsp_path, p_media->i_es ) < 0 )
+    {
+        free( p_es );
+        return VLC_ENOMEM;
+    }
     msg_Dbg( p_vod, "  - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
 
+    p_es->i_clock_rate = 90000;
+    p_es->i_channels = 1;
+
     switch( p_fmt->i_codec )
     {
-        case VLC_FOURCC( 's', '1', '6', 'b' ):
+        case VLC_CODEC_S16B:
             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 )
+            else if( p_fmt->audio.i_channels == 2 &&
+                     p_fmt->audio.i_rate == 44100 )
             {
                 p_es->i_payload_type = 10;
             }
@@ -500,35 +532,36 @@ static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
             {
                 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 );
+            p_es->psz_ptname = "L16";
+            p_es->i_clock_rate = p_fmt->audio.i_rate;
+            p_es->i_channels = p_fmt->audio.i_channels;
             break;
-        case VLC_FOURCC( 'u', '8', ' ', ' ' ):
+        case VLC_CODEC_U8:
             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 );
+            p_es->psz_ptname = "L8";
+            p_es->i_clock_rate = p_fmt->audio.i_rate;
+            p_es->i_channels = p_fmt->audio.i_channels;
             break;
-        case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
+        case VLC_CODEC_MPGA:
             p_es->i_payload_type = 14;
-            p_es->psz_rtpmap = strdup( "MPA/90000" );
+            p_es->psz_ptname = "MPA";
             break;
-        case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
+        case VLC_CODEC_MPGV:
             p_es->i_payload_type = 32;
-            p_es->psz_rtpmap = strdup( "MPV/90000" );
+            p_es->psz_ptname = "MPV";
             break;
-        case VLC_FOURCC( 'a', '5', '2', ' ' ):
+        case VLC_CODEC_A52:
             p_es->i_payload_type = p_media->i_payload_type++;
-            p_es->psz_rtpmap = strdup( "ac3/90000" );
+            p_es->psz_ptname = "ac3";
+            p_es->i_clock_rate = p_fmt->audio.i_rate;
             break;
-        case VLC_FOURCC( 'H', '2', '6', '3' ):
+        case VLC_CODEC_H263:
             p_es->i_payload_type = p_media->i_payload_type++;
-            p_es->psz_rtpmap = strdup( "H263-1998/90000" );
+            p_es->psz_ptname = "H263-1998";
             break;
-        case VLC_FOURCC( 'h', '2', '6', '4' ):
+        case VLC_CODEC_H264:
             p_es->i_payload_type = p_media->i_payload_type++;
-            p_es->psz_rtpmap = strdup( "H264/90000" );
+            p_es->psz_ptname = "H264";
             p_es->psz_fmtp = NULL;
             /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
             if( p_fmt->i_extra > 0 )
@@ -559,11 +592,13 @@ static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
                     }
                     if( i_nal_type == 7 )
                     {
+                        free( p_64_sps );
                         p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
                         sprintf_hexa( hexa, &p_buffer[5], 3 );
                     }
                     else if( i_nal_type == 8 )
                     {
+                        free( p_64_pps );
                         p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
                     }
                     i_buffer -= i_size;
@@ -571,70 +606,85 @@ static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
                 }
                 /* */
                 if( p_64_sps && p_64_pps )
-                    asprintf( &p_es->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
-                if( p_64_sps )
-                    free( p_64_sps );
-                if( p_64_pps )
-                    free( p_64_pps );
+                {
+                    if( asprintf( &p_es->psz_fmtp,
+                                  "packetization-mode=1;profile-level-id=%s;"
+                                  "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
+                                  p_64_pps ) < 0 )
+                    {
+                        free( p_64_sps );
+                        free( p_64_pps );
+                        free( psz_urlc );
+                        free( p_es );
+                        return VLC_ENOMEM;
+                    }
+                }
+                free( p_64_sps );
+                free( p_64_pps );
             }
             if( !p_es->psz_fmtp )
                 p_es->psz_fmtp = strdup( "packetization-mode=1" );
             break;
-        case VLC_FOURCC( 'm', 'p', '4', 'v' ):
+        case VLC_CODEC_MP4V:
             p_es->i_payload_type = p_media->i_payload_type++;
-            p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
+            p_es->psz_ptname = "MP4V-ES";
             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 );
+                if( asprintf( &p_es->psz_fmtp,
+                              "profile-level-id=3; config=%s;", p_hexa ) == -1 )
+                    p_es->psz_fmtp = NULL;
                 free( p_hexa );
             }
             break;
-        case VLC_FOURCC( 'm', 'p', '4', 'a' ):
+        case VLC_CODEC_MP4A:
             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 );
+            p_es->psz_ptname = "mpeg4-generic";
+            p_es->i_clock_rate = 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 );
+                if( asprintf( &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 ) == -1 )
+                    p_es->psz_fmtp = NULL;
                 free( p_hexa );
             }
             break;
         case VLC_FOURCC( 'm', 'p', '2', 't' ):
-            p_media->psz_mux = strdup("ts");
+            p_media->psz_mux = "ts";
             p_es->i_payload_type = 33;
-            p_es->psz_rtpmap = strdup( "MP2T/90000" );
+            p_es->psz_ptname = "MP2T";
             break;
         case VLC_FOURCC( 'm', 'p', '2', 'p' ):
-            p_media->psz_mux = strdup("ps");
+            p_media->psz_mux = "ps";
             p_es->i_payload_type = p_media->i_payload_type++;
-            p_es->psz_rtpmap = strdup( "MP2P/90000" );
+            p_es->psz_ptname = "MP2P";
             break;
-        case VLC_FOURCC( 's', 'a', 'm', 'r' ):
+        case VLC_CODEC_AMR_NB:
             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_ptname = "AMR";
+            p_es->i_clock_rate = 8000;
+            if(p_fmt->audio.i_channels == 2 )
+                p_es->i_channels = 2;
             p_es->psz_fmtp = strdup( "octet-align=1" );
             break;
-        case VLC_FOURCC( 's', 'a', 'w', 'b' ):
+        case VLC_CODEC_AMR_WB:
             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_ptname = "AMR-WB";
+            p_es->i_clock_rate = 16000;
+            if(p_fmt->audio.i_channels == 2 )
+                p_es->i_channels = 2;
             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( psz_urlc );
             free( p_es );
             return VLC_EGENERIC;
     }
@@ -665,40 +715,10 @@ static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
     p_es->p_vod = p_vod;
     p_es->p_media = p_media;
 
-#if 0
-    /* Choose the port */
-    if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
-    {
-        p_es->i_port = p_media->i_port_audio;
-        p_media->i_port_audio = 0;
-    }
-    else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
-    {
-        p_es->i_port = p_media->i_port_video;
-        p_media->i_port_video = 0;
-    }
-    while( !p_es->i_port )
-    {
-        if( p_media->i_port != p_media->i_port_audio &&
-            p_media->i_port != p_media->i_port_video )
-        {
-            p_es->i_port = p_media->i_port;
-            p_media->i_port += 2;
-            break;
-        }
-        p_media->i_port += 2;
-    }
-#else
-
-    p_es->i_port = 0;
-#endif
-
     vlc_mutex_lock( &p_media->lock );
     TAB_APPEND( p_media->i_es, p_media->es, p_es );
     vlc_mutex_unlock( &p_media->lock );
 
-    p_media->i_sdp_version++;
-
     return VLC_SUCCESS;
 }
 
@@ -725,26 +745,13 @@ static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
     TAB_REMOVE( p_media->i_es, p_media->es, p_es );
     vlc_mutex_unlock( &p_media->lock );
 
-    if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
-    if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
-    p_media->i_sdp_version++;
+    free( p_es->psz_fmtp );
 
     if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
     es_format_Clean( &p_es->fmt );
     free( p_es );
 }
 
-/* */
-typedef struct
-{
-    int i_type;
-    int i_media_id;
-    //vod_media_t *p_media;
-    char *psz_session;
-    char *psz_arg;
-    double f_arg;
-} rtsp_cmd_t;
-
 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
                          double f_arg, const char *psz_arg )
 {
@@ -753,6 +760,7 @@ static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_me
 
     memset( &cmd, 0, sizeof(cmd) );
     cmd.i_type = i_type;
+    cmd.p_media = p_media;
     if( p_media )
         cmd.i_media_id = p_media->id;
     if( psz_session )
@@ -767,12 +775,13 @@ static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_me
     block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
 }
 
-static void CommandThread( vlc_object_t *p_this )
+static void* CommandThread( vlc_object_t *p_this )
 {
     vod_t *p_vod = (vod_t*)p_this;
     vod_sys_t *p_sys = p_vod->p_sys;
+    int canc = vlc_savecancel ();
 
-    while( !p_vod->b_die )
+    while( vlc_object_alive (p_vod) )
     {
         block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
         rtsp_cmd_t cmd;
@@ -788,15 +797,28 @@ static void CommandThread( vlc_object_t *p_this )
         if( cmd.i_type == RTSP_CMD_TYPE_NONE )
             break;
 
+        if ( cmd.i_type == RTSP_CMD_TYPE_ADD )
+        {
+            TAB_APPEND( p_sys->i_media, p_sys->media, cmd.p_media );
+            goto next;
+        }
+
+        if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
+        {
+            MediaDel(p_vod, cmd.p_media);
+            goto next;
+        }
+
         /* */
-        vlc_mutex_lock( &p_sys->lock_media );
         for( i = 0; i < p_sys->i_media; i++ )
         {
             if( p_sys->media[i]->id == cmd.i_media_id )
                 break;
         }
         if( i >= p_sys->i_media )
+        {
             goto next;
+        }
         p_media = p_sys->media[i];
 
         switch( cmd.i_type )
@@ -834,12 +856,12 @@ static void CommandThread( vlc_object_t *p_this )
         }
 
     next:
-        vlc_mutex_unlock( &p_sys->lock_media );
-        if( cmd.psz_session )
-            free( cmd.psz_session );
-        if( cmd.psz_arg )
-            free( cmd.psz_arg );
+        free( cmd.psz_session );
+        free( cmd.psz_arg );
     }
+
+    vlc_restorecancel (canc);
+    return NULL;
 }
 
 /****************************************************************************
@@ -847,10 +869,10 @@ static void CommandThread( vlc_object_t *p_this )
  ****************************************************************************/
 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
 {
-    rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
+    rtsp_client_t *p_rtsp = calloc( 1, sizeof(rtsp_client_t) );
 
-    if( !p_rtsp ) return NULL;
-    memset( p_rtsp, 0, sizeof(rtsp_client_t) );
+    if( !p_rtsp )
+        return NULL;
     p_rtsp->es = 0;
 
     p_rtsp->psz_session = psz_session;
@@ -882,13 +904,12 @@ static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
     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-- )
+    while( p_rtsp->i_es )
     {
-        if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
-            free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
+        p_rtsp->i_es--;
         free( p_rtsp->es[p_rtsp->i_es] );
-        if( !p_rtsp->i_es ) free( p_rtsp->es );
     }
+    free( p_rtsp->es );
 
     TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
 
@@ -896,8 +917,31 @@ static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
     free( p_rtsp );
 }
 
+
+static float ParseNPT (const char *str)
+{
+    locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
+    locale_t oldloc = uselocale (loc);
+    unsigned hour, min;
+    float sec;
+
+    if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
+        sec += ((hour * 60) + min) * 60;
+    else
+    if (sscanf (str, "%f", &sec) != 1)
+        sec = 0.;
+
+    if (loc != (locale_t)0)
+    {
+        uselocale (oldloc);
+        freelocale (loc);
+    }
+    return sec;
+}
+
+
 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
-                         httpd_message_t *answer, httpd_message_t *query )
+                         httpd_message_t *answer, const httpd_message_t *query )
 {
     vod_media_t *p_media = (vod_media_t*)p_args;
     vod_t *p_vod = p_media->p_vod;
@@ -925,6 +969,11 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
         {
             psz_playnow = httpd_MsgGet( query, "x-playNow" );
             psz_transport = httpd_MsgGet( query, "Transport" );
+            if( psz_transport == NULL )
+            {
+                answer->i_status = 400;
+                break;
+            }
             msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
 
             if( strstr( psz_transport, "unicast" ) &&
@@ -938,16 +987,13 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
                     strstr( psz_transport, "RAW/RAW/UDP" ) )
                 {
-                    if( p_media->psz_mux ) free( p_media->psz_mux );
-                    p_media->psz_mux = NULL;
-                    p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
-                    p_media->b_raw = VLC_TRUE;
+                    p_media->psz_mux = p_vod->p_sys->psz_raw_mux;
+                    p_media->b_raw = 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;
@@ -964,19 +1010,19 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                         ( 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_new, "%d", rand() );
+#warning Should use secure randomness here! (spoofing risk)
+                    if( asprintf( &psz_new, "%lu", vlc_mrand48() ) < 0 )
+                        return VLC_ENOMEM;
                     psz_session = psz_new;
 
                     p_rtsp = RtspClientNew( p_media, psz_new );
                     if( !p_rtsp )
                     {
                         answer->i_status = 454;
-                        answer->psz_status = strdup( "Unknown session id" );
                         answer->i_body = 0;
                         answer->p_body = NULL;
                         break;
@@ -988,7 +1034,6 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                     if( !p_rtsp )
                     {
                         answer->i_status = 454;
-                        answer->psz_status = strdup( "Unknown session id" );
                         answer->i_body = 0;
                         answer->p_body = NULL;
                         break;
@@ -996,7 +1041,6 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                 }
 
                 answer->i_status = 200;
-                answer->psz_status = strdup( "OK" );
                 answer->i_body = 0;
                 answer->p_body = NULL;
 
@@ -1004,23 +1048,25 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                 {
                     if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
                     {
-                        httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
+                        httpd_MsgAdd( answer, "Transport",
+                                      "MP2T/H2221/UDP;unicast;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",
+                        httpd_MsgAdd( answer, "Transport",
+                                      "RAW/RAW/UDP;unicast;client_port=%d-%d",
                                       i_port, i_port + 1 );
                     }
                 }
                 else
-                    httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
+                    httpd_MsgAdd( answer, "Transport",
+                                  "RTP/AVP/UDP;unicast;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;
             }
@@ -1039,7 +1085,6 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             if( !psz_playnow )
             {
                 answer->i_status = 200;
-                answer->psz_status = strdup( "OK" );
                 answer->i_body = 0;
                 answer->p_body = NULL;
             }
@@ -1052,7 +1097,6 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             if( !p_rtsp )
             {
                 answer->i_status = 500;
-                answer->psz_status = strdup( "Internal server error" );
                 answer->i_body = 0;
                 answer->p_body = NULL;
                 break;
@@ -1062,24 +1106,17 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             {
                 const char *psz_position = httpd_MsgGet( query, "Range" );
                 const char *psz_scale = httpd_MsgGet( query, "Scale" );
-                if( psz_position ) psz_position = strstr( psz_position, "npt=" );
+                if( psz_position )
+                    psz_position = strstr( psz_position, "npt=" );
                 if( psz_position && !psz_scale )
                 {
-                    double f_pos;
-                    char *end;
-
+                    double f_pos = ParseNPT (psz_position + 4);
                     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;
-                        CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media, psz_session, f_pos, NULL );
-                    }
-                    break;
+                    f_pos /= ((double)(p_media->i_length)) / CLOCK_FREQ / 100;
+                    CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
+                                 psz_session, f_pos, NULL );
                 }
-                if( psz_scale )
+                else if( psz_scale )
                 {
                     double f_scale = 0.0;
                     char *end;
@@ -1091,18 +1128,22 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                         if( psz_scale[0] == '-' ) /* rewind */
                         {
                             msg_Dbg( p_vod, "rewind request: %s", psz_scale );
-                            CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media, psz_session, f_scale, NULL );
+                            CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
+                                         psz_session, f_scale, NULL );
                         }
                         else if(psz_scale[0] != '1' ) /* fast-forward */
                         {
-                            msg_Dbg( p_vod, "fastforward request: %s", psz_scale );
-                            CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media, psz_session, f_scale, NULL );
+                            msg_Dbg( p_vod, "fastforward request: %s",
+                                     psz_scale );
+                            CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
+                                         psz_session, f_scale, NULL );
                         }
 
-                        if( p_rtsp->b_paused == VLC_TRUE )
+                        if( p_rtsp->b_paused )
                         {
-                            p_rtsp->b_paused = VLC_FALSE;
-                            CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
+                            p_rtsp->b_paused = false;
+                            CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
+                                         psz_session, 0, NULL );
                         }
                     }
                     break;
@@ -1111,15 +1152,16 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
 
             if( p_rtsp->b_playing && p_rtsp->b_paused )
             {
-                CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
-                p_rtsp->b_paused = VLC_FALSE;
+                CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
+                             psz_session, 0, NULL );
+                p_rtsp->b_paused = false;
                 break;
             }
             else if( p_rtsp->b_playing ) break;
 
             if( httpd_ClientIP( cl, ip ) == NULL ) break;
 
-            p_rtsp->b_playing = VLC_TRUE;
+            p_rtsp->b_playing = true;
 
             /* FIXME for != 1 video and 1 audio */
             for( i = 0; i < p_rtsp->i_es; i++ )
@@ -1134,22 +1176,29 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             {
                 if( p_media->b_raw )
                 {
-                    asprintf( &psz_output, "std{access=udp,dst=%s:%i,mux=%s}",
-                              ip, i_port, p_media->psz_mux );
+                    if( asprintf( &psz_output,
+                              "std{access=udp,dst=%s:%i,mux=%s}",
+                              ip, i_port, p_media->psz_mux ) < 0 )
+                        return VLC_ENOMEM;
                 }
                 else
                 {
-                    asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
-                              ip, i_port_video, p_media->psz_mux );
+                    if( asprintf( &psz_output,
+                              "rtp{dst=%s,port=%i,mux=%s}",
+                              ip, i_port_video, p_media->psz_mux ) < 0 )
+                        return VLC_ENOMEM;
                 }
             }
             else
             {
-                asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
-                          "port-audio=%i}", ip, i_port_video, i_port_audio );
+                if( asprintf( &psz_output,
+                              "rtp{dst=%s,port-video=%i,port-audio=%i}",
+                              ip, i_port_video, i_port_audio ) < 0 )
+                    return VLC_ENOMEM;
             }
 
-            CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session, 0, psz_output );
+            CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
+                         0, psz_output );
             free( psz_output );
             break;
         }
@@ -1162,8 +1211,8 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             if( psz_sdp != NULL )
             {
                 answer->i_status = 200;
-                answer->psz_status = strdup( "OK" );
-                httpd_MsgAdd( answer, "Content-type",  "%s", "application/sdp" );
+                httpd_MsgAdd( answer, "Content-type",  "%s",
+                              "application/sdp" );
 
                 answer->p_body = (uint8_t *)psz_sdp;
                 answer->i_body = strlen( psz_sdp );
@@ -1171,7 +1220,6 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             else
             {
                 answer->i_status = 500;
-                answer->psz_status = strdup( "Internal server error" );
                 answer->p_body = NULL;
                 answer->i_body = 0;
             }
@@ -1185,11 +1233,14 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             p_rtsp = RtspClientGet( p_media, psz_session );
             if( !p_rtsp ) break;
 
-            CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
-            p_rtsp->b_paused = VLC_TRUE;
+            if( !p_rtsp->b_paused )
+            {
+                CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
+                             0, NULL );
+                p_rtsp->b_paused = true;
+            }
 
             answer->i_status = 200;
-            answer->psz_status = strdup( "OK" );
             answer->i_body = 0;
             answer->p_body = NULL;
             break;
@@ -1197,7 +1248,6 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
         case HTTPD_MSG_TEARDOWN:
             /* for now only multicast so easy again */
             answer->i_status = 200;
-            answer->psz_status = strdup( "OK" );
             answer->i_body = 0;
             answer->p_body = NULL;
 
@@ -1207,13 +1257,13 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             p_rtsp = RtspClientGet( p_media, psz_session );
             if( !p_rtsp ) break;
 
-            CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session, 0, NULL );
+            CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
+                         0, NULL );
             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;
@@ -1222,7 +1272,7 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             return VLC_EGENERIC;
     }
 
-    httpd_MsgAdd( answer, "Server", "VLC Server" );
+    httpd_MsgAdd( answer, "Server", "VLC/%s", VERSION );
     httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
     psz_cseq = httpd_MsgGet( query, "Cseq" );
     psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
@@ -1236,13 +1286,14 @@ static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                p_media->p_vod->p_sys->i_session_timeout );
          else
               httpd_MsgAdd( answer, "Session", "%s", psz_session );
-    } 
+    }
 
     return VLC_SUCCESS;
 }
 
 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
-                           httpd_message_t *answer, httpd_message_t *query )
+                           httpd_message_t *answer,
+                           const httpd_message_t *query )
 {
     media_es_t *p_es = (media_es_t*)p_args;
     vod_media_t *p_media = p_es->p_media;
@@ -1281,12 +1332,11 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                 rtsp_client_es_t *p_rtsp_es = NULL;
                 char ip[NI_MAXNUMERICHOST];
                 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
-                                strlen("client_port=") );
+                                   strlen("client_port=") );
 
                 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;
@@ -1303,15 +1353,23 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                         ( 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_new, "%d", rand() );
+#warning Session ID should be securely random (spoofing risk)
+                    if( asprintf( &psz_new, "%lu", vlc_mrand48() ) < 0 )
+                        return VLC_ENOMEM;
                     psz_session = psz_new;
 
                     p_rtsp = RtspClientNew( p_media, psz_new );
+                    if( !p_rtsp )
+                    {
+                        answer->i_status = 454;
+                        answer->i_body = 0;
+                        answer->p_body = NULL;
+                        break;
+                    }
                 }
                 else
                 {
@@ -1319,7 +1377,6 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                     if( !p_rtsp )
                     {
                         answer->i_status = 454;
-                        answer->psz_status = strdup( "Unknown session id" );
                         answer->i_body = 0;
                         answer->p_body = NULL;
                         break;
@@ -1330,18 +1387,15 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                 if( !p_rtsp_es )
                 {
                     answer->i_status = 500;
-                    answer->psz_status = strdup( "Internal server error" );
                     answer->i_body = 0;
                     answer->p_body = NULL;
                     break;
                 }
                 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;
 
@@ -1349,25 +1403,27 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
                 {
                     if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
                     {
-                        httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
-                                      p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
+                        httpd_MsgAdd( answer, "Transport",
+                                     "MP2T/H2221/UDP;unicast;client_port=%d-%d",
+                                     p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
                     }
                     else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
                     {
-                        httpd_MsgAdd( answer, "Transport", "RAW/RAW/UDP;client_port=%d-%d",
-                                      p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
+                        httpd_MsgAdd( answer, "Transport",
+                                     "RAW/RAW/UDP;unicast;client_port=%d-%d",
+                                     p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
                     }
                 }
                 else
                 {
-                    httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
+                    httpd_MsgAdd( answer, "Transport",
+                                  "RTP/AVP/UDP;unicast;client_port=%d-%d",
                                   p_rtsp_es->i_port, p_rtsp_es->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;
             }
@@ -1388,25 +1444,16 @@ 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 )
             {
-                double f_pos;
-                char *end;
-
+                double f_pos = ParseNPT (psz_position + 4);
                 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;
-                    CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media, psz_session, f_pos, NULL );
-                }
+                f_pos /= ((double)(p_media->i_length)) / CLOCK_FREQ / 100;
+                CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
+                             psz_session, f_pos, NULL );
             }
 
             if( !psz_playnow )
             {
                 answer->i_status = 200;
-                answer->psz_status = strdup( "OK" );
                 answer->i_body = 0;
                 answer->p_body = NULL;
             }
@@ -1414,7 +1461,6 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
 
         case HTTPD_MSG_TEARDOWN:
             answer->i_status = 200;
-            answer->psz_status = strdup( "OK" );
             answer->i_body = 0;
             answer->p_body = NULL;
 
@@ -1428,7 +1474,6 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             {
                 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;
                 }
@@ -1436,7 +1481,8 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
 
             if( !p_rtsp->i_es )
             {
-                CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session, 0, NULL );
+                CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
+                             0, NULL );
                 RtspClientDel( p_media, p_rtsp );
             }
             break;
@@ -1450,11 +1496,14 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             p_rtsp = RtspClientGet( p_media, psz_session );
             if( !p_rtsp ) break;
 
-            CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
-            p_rtsp->b_paused = VLC_TRUE;
+            if( !p_rtsp->b_paused )
+            {
+                CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
+                             0, NULL );
+                p_rtsp->b_paused = true;
+            }
 
             answer->i_status = 200;
-            answer->psz_status = strdup( "OK" );
             answer->i_body = 0;
             answer->p_body = NULL;
             break;
@@ -1464,7 +1513,7 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
             break;
     }
 
-    httpd_MsgAdd( answer, "Server", "VLC Server" );
+    httpd_MsgAdd( answer, "Server", "VLC/%s", VERSION );
     httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
     psz_cseq = httpd_MsgGet( query, "Cseq" );
     if (psz_cseq)
@@ -1486,106 +1535,65 @@ static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
  *****************************************************************************/
 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
 {
-    int i, i_size;
-    char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
+    char *psz_sdp, ip[NI_MAXNUMERICHOST];
     const char *psz_control;
 
     if( httpd_ServerIP( cl, ip ) == NULL )
         return NULL;
 
-    p = strchr( ip, '%' );
-    if( p != NULL )
-        *p = '\0'; /* remove scope if present */
-
-    ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
-
-    /* Calculate size */
-    i_size = sizeof( "v=0\r\n" ) +
-        sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
-        sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
-        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( "a=range:npt=0-1000000000.000\r\n" );
-
-    psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
-                               : p_media->psz_rtsp_control_v4;
-    for( i = 0; i < p_media->i_es; i++ )
-    {
-        media_es_t *p_es = p_media->es[i];
+    bool ipv6 = ( strchr( ip, ':' ) != NULL );
 
-        i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
-        if( p_es->psz_rtpmap )
-        {
-            i_size += sizeof( "a=rtpmap:* *\r\n" ) +
-                strlen( p_es->psz_rtpmap ) + 9;
-        }
-        if( p_es->psz_fmtp )
-        {
-            i_size += sizeof( "a=fmtp:* *\r\n" ) +
-                strlen( p_es->psz_fmtp ) + 9;
-        }
-    }
-    i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
-
-    p = psz_sdp = malloc( i_size );
-    p += sprintf( p, "v=0\r\n" );
-    p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
-                  p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
-    if( *p_media->psz_session_name )
-        p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
-    if( *p_media->psz_session_description )
-        p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
-    if( *p_media->psz_session_url )
-        p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
-    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" );
+    psz_control = ipv6 ? p_media->psz_rtsp_control_v6
+                       : p_media->psz_rtsp_control_v4;
+
+    /* Dummy destination address for RTSP */
+    struct sockaddr_storage dst;
+    socklen_t dstlen = ipv6 ? sizeof( struct sockaddr_in6 )
+                            : sizeof( struct sockaddr_in );
+    memset (&dst, 0, dstlen);
+    dst.ss_family = ipv6 ? AF_INET6 : AF_INET;
+#ifdef HAVE_SA_LEN
+    dst.ss_len = dstlen;
+#endif
+
+    psz_sdp = vlc_sdp_Start( VLC_OBJECT( p_media->p_vod ), "sout-rtp-",
+                             NULL, 0, (struct sockaddr *)&dst, dstlen );
+    if( psz_sdp == NULL )
+        return NULL;
 
     if( p_media->i_length > 0 )
     {
         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 );
+        sdp_AddAttribute( &psz_sdp, "range"," npt=0-%lld.%03u", d.quot,
+                          (unsigned)d.rem );
     }
 
-    for( i = 0; i < p_media->i_es; i++ )
+    for( int i = 0; i < p_media->i_es; i++ )
     {
         media_es_t *p_es = p_media->es[i];
+        const char *mime_major; /* major MIME type */
 
-        if( p_es->fmt.i_cat == AUDIO_ES )
-        {
-            p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
-                          p_es->i_port, p_es->i_payload_type );
-        }
-        else if( p_es->fmt.i_cat == VIDEO_ES )
+        switch( p_es->fmt.i_cat )
         {
-            p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
-                          p_es->i_port, p_es->i_payload_type );
-        }
-        else
-        {
-            continue;
+            case VIDEO_ES:
+                mime_major = "video";
+                break;
+            case AUDIO_ES:
+                mime_major = "audio";
+                break;
+            case SPU_ES:
+                mime_major = "text";
+                break;
+            default:
+                continue;
         }
 
-        if( p_es->psz_rtpmap )
-        {
-            p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
-                          p_es->psz_rtpmap );
-        }
-        if( p_es->psz_fmtp )
-        {
-            p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
-                          p_es->psz_fmtp );
-        }
+        sdp_AddMedia( &psz_sdp, mime_major, "RTP/AVP", 0 /* p_es->i_port */,
+                      p_es->i_payload_type, false, 0,
+                      p_es->psz_ptname, p_es->i_clock_rate, p_es->i_channels,
+                      p_es->psz_fmtp );
 
-        p += sprintf( p, psz_control, ip, i );
+        sdp_AddAttribute( &psz_sdp, "control", psz_control, ip, i );
     }
 
     return psz_sdp;