[DVDnav-discuss] Do not assert in vm_get_video_aspect

[Jean-Baptiste Kempf]

libdvdnav | branch: master | Jean-Baptiste Kempf <jb at videolan.org> | Tue Mar  4 15:17:08 2014 +0100| [4d3753fe408b7cc81d04c368cc0cc33f7ce49170] | committer: Jean-Baptiste Kempf

Do not assert in vm_get_video_aspect

Failing is a correct behavior, here...

LP: #370884

> http://git.videolan.org/gitweb.cgi/libdvdnav.git/?a=commit;h=4d3753fe408b7cc81d04c368cc0cc33f7ce49170
---

 src/vm/vmget.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/vm/vmget.c b/src/vm/vmget.c
index 6155a9b..80085c5 100644
--- a/src/vm/vmget.c
+++ b/src/vm/vmget.c
@@ -296,7 +296,11 @@ void vm_get_video_res(vm_t *vm, int *width, int *height) {
 int vm_get_video_aspect(vm_t *vm) {
   int aspect = vm_get_video_attr(vm).display_aspect_ratio;
 
-  assert(aspect == 0 || aspect == 3);
+  if(aspect != 0 && aspect != 3) {
+    fprintf(MSG_OUT, "libdvdnav: display aspect ratio is unexpected: %d!\n", aspect);
+    return -1;
+  }
+
   (vm->state).registers.SPRM[14] &= ~(0x3 << 10);
   (vm->state).registers.SPRM[14] |= aspect << 10;