[DVDnav-discuss] r972 - in trunk/libdvdnav/src/vm: vm.c vm.h

[nicodvb]

Author: nicodvb
Date: Thu Nov 29 00:13:50 2007
New Revision: 972

Log:
added utility functions vm_get_title_ifo() and vm_ifo_close()
to proxy dvdread functions to dvdnav proper. These functions
are used in upcoming patch to describe the chapters of a title


Modified:
   trunk/libdvdnav/src/vm/vm.c
   trunk/libdvdnav/src/vm/vm.h

Modified: trunk/libdvdnav/src/vm/vm.c
==============================================================================
--- trunk/libdvdnav/src/vm/vm.c	(original)
+++ trunk/libdvdnav/src/vm/vm.c	Thu Nov 29 00:13:50 2007
@@ -1844,6 +1844,23 @@ static pgcit_t* get_PGCIT(vm_t *vm) {
   return pgcit;
 }
 
+//return the ifo_handle_t describing required title, used to 
+//identify chapters
+ifo_handle_t *vm_get_title_ifo(vm_t *vm, uint32_t title)
+{
+  ifo_handle_t *ifo = NULL;
+  uint8_t titleset_nr;
+  if((title < 1) || (title > vm->vmgi->tt_srpt->nr_of_srpts))
+    return NULL;
+  titleset_nr = vm->vmgi->tt_srpt->title[title-1].title_set_nr;
+  ifo = ifoOpen(vm->dvd, titleset_nr);
+  return ifo;
+}
+
+void vm_ifo_close(ifo_handle_t *ifo)
+{
+  ifoClose(ifo);
+}
 
 /* Debug functions */
 

Modified: trunk/libdvdnav/src/vm/vm.h
==============================================================================
--- trunk/libdvdnav/src/vm/vm.h	(original)
+++ trunk/libdvdnav/src/vm/vm.h	Thu Nov 29 00:13:50 2007
@@ -168,6 +168,8 @@ int  vm_get_video_scale_permission(vm_t 
 video_attr_t vm_get_video_attr(vm_t *vm);
 audio_attr_t vm_get_audio_attr(vm_t *vm, int streamN);
 subp_attr_t  vm_get_subp_attr(vm_t *vm, int streamN);
+ifo_handle_t *vm_get_title_ifo(vm_t *vm, uint32_t title);
+void vm_ifo_close(ifo_handle_t *ifo);
 
 /* Uncomment for VM command tracing */
 /* #define TRACE */