]> git.sesse.net Git - vlc/blobdiff - modules/stream_out/rtsp.c
Simplify ConsoleWidth() and implement it for real on Win32
[vlc] / modules / stream_out / rtsp.c
index 17d6844457ade45e31b718aec252b8c3d232af9f..f5872afa7f19011ac20acad232fc4ce8052e5ea5 100644 (file)
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <vlc/vlc.h>
 #include <vlc_sout.h>
 
@@ -144,7 +148,8 @@ struct rtsp_stream_id_t
     httpd_url_t      *url;
     const char       *dst;
     int               ttl;
-    unsigned          loport, hiport;
+    uint32_t          ssrc;
+    uint16_t          loport, hiport;
 };
 
 
@@ -172,7 +177,7 @@ struct rtsp_strack_t
 
 
 rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid,
-                             unsigned num,
+                             unsigned num, uint32_t ssrc,
                              /* Multicast stuff - TODO: cleanup */
                              const char *dst, int ttl,
                              unsigned loport, unsigned hiport )
@@ -186,6 +191,7 @@ rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid,
 
     id->stream = rtsp;
     id->sout_id = sid;
+    id->ssrc = ssrc;
     /* TODO: can we assume that this need not be strdup'd? */
     id->dst = dst;
     if( id->dst != NULL )
@@ -195,6 +201,7 @@ rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_t *sid,
         id->hiport = hiport;
     }
 
+    /* FIXME: num screws up if any ES has been removed and re-added */
     snprintf( urlbuf, sizeof( urlbuf ), rtsp->track_fmt, rtsp->psz_path,
               num );
     msg_Dbg( rtsp->owner, "RTSP: adding %s", urlbuf );
@@ -339,17 +346,41 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id,
     sout_stream_t *p_stream = rtsp->owner;
     char psz_sesbuf[17];
     const char *psz_session = NULL, *psz;
+    char control[sizeof("rtsp://[]:12345") + NI_MAXNUMERICHOST
+                  + strlen( rtsp->psz_path )];
 
     if( answer == NULL || query == NULL || cl == NULL )
         return VLC_SUCCESS;
+    else
+    {
+        /* Build self-referential control URL */
+        char ip[NI_MAXNUMERICHOST], *ptr;
+
+        httpd_ServerIP( cl, ip );
+        ptr = strchr( ip, '%' );
+        if( ptr != NULL )
+            *ptr = '\0';
+
+        if( strchr( ip, ':' ) != NULL )
+            sprintf( control, "rtsp://[%s]:%u%s", ip, rtsp->port,
+                     rtsp->psz_path );
+        else
+            sprintf( control, "rtsp://%s:%u%s", ip, rtsp->port,
+                     rtsp->psz_path );
+    }
 
     /* */
     answer->i_proto = HTTPD_PROTO_RTSP;
-    answer->i_version= query->i_version;
+    answer->i_version= 0;
     answer->i_type   = HTTPD_MSG_ANSWER;
     answer->i_body = 0;
     answer->p_body = NULL;
 
+    if( query->i_proto != HTTPD_PROTO_RTSP )
+    {
+        answer->i_status = 505;
+    }
+    else
     if( httpd_MsgGet( query, "Require" ) != NULL )
     {
         answer->i_status = 551;
@@ -367,30 +398,14 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id,
                 break;
             }
 
-            char ip[NI_MAXNUMERICHOST], *ptr;
-            char control[sizeof("rtsp://[]:12345") + sizeof( ip )
-                            + strlen( rtsp->psz_path )];
-
-            /* Build self-referential URL */
-            httpd_ServerIP( cl, ip );
-            ptr = strchr( ip, '%' );
-            if( ptr != NULL )
-                *ptr = '\0';
-
-            if( strchr( ip, ':' ) != NULL )
-                sprintf( control, "rtsp://[%s]:%u%s", ip, rtsp->port,
-                         rtsp->psz_path );
-            else
-                sprintf( control, "rtsp://%s:%u%s", ip, rtsp->port,
-                         rtsp->psz_path );
-
-            ptr = SDPGenerate( rtsp->owner, control );
-
             answer->i_status = 200;
             httpd_MsgAdd( answer, "Content-Type",  "%s", "application/sdp" );
             httpd_MsgAdd( answer, "Content-Base",  "%s", control );
-            answer->p_body = (uint8_t *)ptr;
-            answer->i_body = strlen( ptr );
+            answer->p_body = (uint8_t *)SDPGenerate( rtsp->owner, control );
+            if( answer->p_body != NULL )
+                answer->i_body = strlen( (char *)answer->p_body );
+            else
+                answer->i_status = 500;
             break;
         }
 
@@ -560,17 +575,18 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id,
                         httpd_MsgAdd( answer, "Transport",
                                       "RTP/AVP/UDP;unicast;source=%s;"
                                       "client_port=%u-%u;server_port=%u-%u;"
-                                      "mode=play",
+                                      "ssrc=%08X;mode=play",
                                       src, loport, loport + 1, sport,
-                                      sport + 1 );
+                                      sport + 1, id->ssrc );
                     }
                     else
                     {
                         httpd_MsgAdd( answer, "Transport",
                                       "RTP/AVP/UDP;unicast;"
                                       "client_port=%u-%u;server_port=%u-%u;"
-                                      "mode=play",
-                                      loport, loport + 1, sport, sport + 1 );
+                                      "ssrc=%08X;mode=play",
+                                      loport, loport + 1, sport, sport + 1,
+                                      id->ssrc );
                     }
 
                     answer->i_status = 200;
@@ -595,16 +611,32 @@ static int RtspHandler( rtsp_stream_t *rtsp, rtsp_stream_id_t *id,
             ses = RtspClientGet( rtsp, psz_session );
             if( ses != NULL )
             {
+                /* FIXME: we really need to limit the number of tracks... */
+                char info[ses->trackc * ( strlen( control )
+                                  + sizeof("/trackID=123;seq=65535, ") ) + 1];
+                size_t infolen = 0;
+
                 for( int i = 0; i < ses->trackc; i++ )
                 {
                     rtsp_strack_t *tr = ses->trackv + i;
-                    if( !tr->playing
-                     && ( ( id == NULL ) || ( tr->id == id->sout_id ) ) )
+                    if( ( id == NULL ) || ( tr->id == id->sout_id ) )
                     {
-                        tr->playing = VLC_TRUE;
-                        rtp_add_sink( tr->id, tr->fd, VLC_FALSE );
+                        if( !tr->playing )
+                        {
+                            tr->playing = VLC_TRUE;
+                            rtp_add_sink( tr->id, tr->fd, VLC_FALSE );
+                        }
+                        infolen += sprintf( info + infolen,
+                                            "%s/trackID=%u;seq=%u, ", control,
+                                            rtp_get_num( tr->id ),
+                                            rtp_get_seq( tr->id ) );
                     }
                 }
+                if( infolen > 0 )
+                {
+                    info[infolen - 2] = '\0'; /* remove trailing ", " */
+                    httpd_MsgAdd( answer, "RTP-Info", "%s", info );
+                }
             }
             vlc_mutex_unlock( &rtsp->lock );