From 9979fb83d459e83fa82e04dba5ab25b2b14939f9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?R=C3=A9mi=20Denis-Courmont?= <rem@videolan.org>
Date: Wed, 14 Feb 2007 19:59:54 +0000
Subject: [PATCH] Single service DCCP/RTP/AVP input

---
 NEWS                  |  5 +++--
 include/vlc_network.h |  1 +
 modules/access/udp.c  | 51 ++++++++++++++++++++++++++++++++++---------
 3 files changed, 45 insertions(+), 12 deletions(-)

diff --git a/NEWS b/NEWS
index 673ebe8a28..2c9ec7254f 100644
--- a/NEWS
+++ b/NEWS
@@ -29,7 +29,8 @@ Playlist:
     * Audioscrobbler/last.fm support
 
 Input/Demuxers:
-  * UDP-Lite (requires OS support) for raw and RTP encapsulation
+  * UDP-Lite protocol (requires OS support) for RTP/AVP
+  * DCCP protocol (requires OS support) for RTP/AVP
 
 Decoders:
  * VP60/VP61 codecs support
@@ -44,7 +45,7 @@ Video output:
  * New sharpen video filter (increase the contrast of adjacent pixels)
 
 Stream output:
- * UDP-Lite (requires OS support) for raw and RTP/TS encapsulation
+ * UDP-Lite (requires OS support) for RTP/TS encapsulation
 
 Interfaces:
  * Windows/Linux
diff --git a/include/vlc_network.h b/include/vlc_network.h
index d330d55b18..988d8d5741 100644
--- a/include/vlc_network.h
+++ b/include/vlc_network.h
@@ -70,6 +70,7 @@ extern "C" {
 /* Portable networking layer communication */
 int net_Socket (vlc_object_t *obj, int family, int socktype, int proto);
 
+#define net_Connect(a, b, c, d, e) __net_Connect(VLC_OBJECT(a), b, c, d, e)
 VLC_EXPORT( int, __net_Connect, (vlc_object_t *p_this, const char *psz_host, int i_port, int socktype, int protocol) );
 
 VLC_EXPORT( int *, net_Listen, (vlc_object_t *p_this, const char *psz_host, int i_port,
diff --git a/modules/access/udp.c b/modules/access/udp.c
index 803aabdf42..709bdb04ec 100644
--- a/modules/access/udp.c
+++ b/modules/access/udp.c
@@ -37,6 +37,7 @@
 #include <vlc_access.h>
 #include <vlc_network.h>
 
+/* Big pile of stuff missing form glibc 2.5 */
 #if defined (HAVE_NETINET_UDPLITE_H)
 # include <netinet/udplite.h>
 #elif defined (__linux__)
@@ -44,6 +45,16 @@
 # define UDPLITE_RECV_CSCOV     11
 #endif
 
+#ifndef SOCK_DCCP /* provisional API */
+# ifdef __linux__
+#  define SOCK_DCCP 6
+# endif
+#endif
+
+#ifndef IPPROTO_DCCP
+# define IPPROTO_DCCP 33 /* IANA */
+#endif
+
 #ifndef IPPROTO_UDPLITE
 # define IPPROTO_UDPLITE 136 /* from IANA */
 #endif
@@ -96,6 +107,7 @@ vlc_module_begin();
     add_shortcut( "rtp6" );
     add_shortcut( "udplite" );
     add_shortcut( "rtptcp" );
+    add_shortcut( "dccp" );
 
     set_callbacks( Open, Close );
 vlc_module_end();
@@ -140,7 +152,6 @@ static int Open( vlc_object_t *p_this )
     const char *psz_server_addr, *psz_bind_addr = "";
     int  i_bind_port, i_server_port = 0;
     int fam = AF_UNSPEC, proto = IPPROTO_UDP;
-    vlc_bool_t b_framed = VLC_FALSE;
 
     if (strlen (p_access->psz_access) >= 3)
     {
@@ -156,11 +167,12 @@ static int Open( vlc_object_t *p_this )
         }
         if (strcmp (p_access->psz_access + 3, "lite") == 0)
             proto = IPPROTO_UDPLITE;
+        else
         if (strcmp (p_access->psz_access + 3, "tcp") == 0)
-        {
             proto = IPPROTO_TCP;
-            b_framed = VLC_TRUE;
-        }
+        else
+        if (strcmp (p_access->psz_access, "dccp") == 0)
+            proto = IPPROTO_DCCP;
     }
 
     i_bind_port = var_CreateGetInteger( p_access, "server-port" );
@@ -213,10 +225,30 @@ static int Open( vlc_object_t *p_this )
     p_access->info.b_prebuffered = VLC_FALSE;
     MALLOC_ERR( p_access->p_sys, access_sys_t ); p_sys = p_access->p_sys;
 
-    p_sys->fd = b_framed
-              ? net_ConnectTCP( p_access, psz_server_addr, i_server_port )
-              : net_OpenDgram( p_access, psz_bind_addr, i_bind_port,
-                               psz_server_addr, i_server_port, fam, proto );
+    switch (proto)
+    {
+        case IPPROTO_UDP:
+        case IPPROTO_UDPLITE:
+            p_sys->fd = net_OpenDgram( p_access, psz_bind_addr, i_bind_port,
+                                       psz_server_addr, i_server_port, fam,
+                                       proto );
+            break;
+
+        case IPPROTO_TCP:
+            p_sys = net_ConnectTCP( p_access, psz_server_addr, i_server_port );
+            p_sys->b_framed_rtp = VLC_TRUE;
+            break;
+
+        case IPPROTO_DCCP:
+#ifdef SOCK_DCCP
+            p_sys->fd = net_Connect( p_access, psz_server_addr, i_server_port,
+                                     SOCK_DCCP, IPPROTO_DCCP );
+#else
+            p_sys->fd = -1;
+            msg_Err( p_access, "DCCP support not compiled-in!" );
+#endif
+            break;
+    }
     free (psz_name);
     if( p_sys->fd == -1 )
     {
@@ -234,8 +266,7 @@ static int Open( vlc_object_t *p_this )
                     &(int){ 20 }, sizeof (int));
 #endif
 
-    p_sys->b_framed_rtp = b_framed;
-    if (b_framed)
+    if (p_sys->b_framed_rtp)
     {
         /* We don't do autodetection and prebuffering in case of framing */
         p_access->pf_block = BlockRTP;
-- 
2.39.5