vfr mpeg-4 part 2 in mp4 input

Index: libhb/decavcodec.c===================================================================--- libhb/decavcodec.c	(revision 1611)+++ libhb/decavcodec.c	(working copy)@@ -691,7 +691,19 @@             case CODEC_ID_H264:             case CODEC_ID_VC1:                 break;-+            +            // We'll also believe timestamps for mpeg-4 part 2, but only in MP4+            // files, since then we don't have to worry about VFW packed b-frames.+            case CODEC_ID_MPEG4:+                if( pv->job != NULL )+                {+                    if( strcmp( pv->job->title->container_name, "mov,mp4,m4a,3gp,3g2,mj2" ) != 0 )+                    {+                        pv->ignore_pts = 1;+                    }+                }+            break;+                     default:                 pv->ignore_pts = 1;                 break;