Contribs: add dvdnav

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

contrib/src/dvdnav/dvdnav.patch

+diff -ruN dvdnav-svn/Makefile.am dvdnav/Makefile.am
+--- dvdnav-svn/Makefile.am	2008-06-18 17:06:33.000000000 +0200
++++ dvdnav/Makefile.am	2011-08-06 18:38:10.243875945 +0200
+@@ -1,7 +1,7 @@
+ include $(top_srcdir)/misc/Makefile.common
+ 
+ 
+-SUBDIRS = src examples doc misc m4
++SUBDIRS = src misc m4
+ 
+ EXTRA_DIST = autogen.sh \
+ 	     AUTHORS \
+diff -ruN dvdnav-svn/src/vm/vm.c dvdnav/src/vm/vm.c
+--- dvdnav-svn/src/vm/vm.c	2010-11-22 00:59:43.000000000 +0100
++++ dvdnav/src/vm/vm.c	2011-08-06 18:38:03.263841341 +0200
+@@ -174,12 +174,11 @@
+     fd = open(device, O_RDONLY);
+     if (fd > 0) {
+       off = lseek( fd, 32 * (off_t) DVD_VIDEO_LB_LEN, SEEK_SET );
+-      if( off == ( 32 * (off_t) DVD_VIDEO_LB_LEN ) ) {
++      if (off == 16) {
+         off = read( fd, data, DVD_VIDEO_LB_LEN );
+-        close(fd);
+         if (off == ( (off_t) DVD_VIDEO_LB_LEN )) {
+           fprintf(MSG_OUT, "libdvdnav: DVD Title: ");
+-          for(i=25; i < 73; i++ ) {
++          for(i=40; i < 73; i++ ) {
+             if((data[i] == 0)) break;
+             if((data[i] > 32) && (data[i] < 127)) {
+               fprintf(MSG_OUT, "%c", data[i]);
+@@ -187,10 +186,12 @@
+               fprintf(MSG_OUT, " ");
+             }
+           }
+-          strncpy(name, (char*) &data[25], 48);
+-          name[48] = 0;
++          strncpy(name, (char*) &data[40], 32);
++          i=31;
++          while( (i>=0) && (name[i] <= ' ')) --i;
++          name[i+1] = '\0';
+           fprintf(MSG_OUT, "\nlibdvdnav: DVD Serial Number: ");
+-          for(i=73; i < 89; i++ ) {
++          for(i=813; i < 829; i++ ) {
+             if((data[i] == 0)) break;
+             if((data[i] > 32) && (data[i] < 127)) {
+               fprintf(MSG_OUT, "%c", data[i]);

contrib/src/dvdnav/rules.mak

+# DVDNAV
+
+ifdef BUILD_DISCS
+PKGS += dvdnav
+endif
+ifeq ($(call need_pkg,"dvdnav"),)
+PKGS_FOUND += dvdnav
+endif
+
+$(TARBALLS)/dvdnav-svn.tar.xz:
+	rm -Rf dvdnav-svn
+	$(SVN) export svn://svn.mplayerhq.hu/dvdnav/trunk/libdvdnav dvdnav-svn
+	tar cvJ dvdnav-svn > $@
+
+.sum-dvdnav: dvdnav-svn.tar.xz
+	$(warning Integrity check skipped.)
+	touch $@
+
+dvdnav: dvdnav-svn.tar.xz .sum-dvdnav
+	$(UNPACK)
+	$(APPLY) $(SRC)/dvdnav/dvdnav.patch
+	$(MOVE)
+
+DEPS_dvdnav = dvdcss dvdread
+
+.dvdnav: dvdnav .dvdcss .dvdread
+	cd $< && sh autogen.sh noconfig
+	cd $< && $(HOSTVARS) ./configure $(HOSTCONF)
+	cd $< && $(MAKE) install
+	touch $@