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Index: libhb/decmpeg2.c===================================================================--- libhb/decmpeg2.c	(revision 1314)+++ libhb/decmpeg2.c	(working copy)@@ -321,6 +321,13 @@     *aspect_ratio = m->aspect_ratio; } +int hb_libmpeg2_clear_aspect_ratio( hb_libmpeg2_t * m )+{+    int ar = m->aspect_ratio;+    m->aspect_ratio = 0;+    return ar;+}+ /**********************************************************************  * hb_libmpeg2_close  **********************************************************************Index: libhb/internal.h===================================================================--- libhb/internal.h	(revision 1314)+++ libhb/internal.h	(working copy)@@ -112,6 +112,7 @@ void             hb_libmpeg2_info( hb_libmpeg2_t * m, int * width,                                     int * height, int * rate, int * aspect_ratio ); void             hb_libmpeg2_close( hb_libmpeg2_t ** );+int              hb_libmpeg2_clear_aspect_ratio( hb_libmpeg2_t * );  /***********************************************************************  * mpegdemux.cIndex: libhb/scan.c===================================================================--- libhb/scan.c	(revision 1314)+++ libhb/scan.c	(working copy)@@ -281,11 +281,12 @@  **********************************************************************/ static int DecodePreviews( hb_scan_t * data, hb_title_t * title ) {-    int             i, ret;+    int             i, npreviews = 0;     hb_buffer_t   * buf_ps, * buf_es, * buf_raw;     hb_list_t     * list_es, * list_raw;     hb_libmpeg2_t * mpeg2;     int progressive_count = 0;+    int ar16_count = 0, ar4_count = 0;      buf_ps   = hb_buffer_init( HB_DVD_READ_BUFFER_SIZE );     list_es  = hb_list_init();@@ -349,6 +350,12 @@                 if( buf_es->id == 0xE0 && !hb_list_count( list_raw ) )                 {                     hb_libmpeg2_decode( mpeg2, buf_es, list_raw );+                    int ar = hb_libmpeg2_clear_aspect_ratio( mpeg2 );+                    if ( ar != 0 )+                    {+                        ( ar == (HB_ASPECT_BASE * 4 / 3) ) ?+                            ++ar4_count : ++ar16_count ;+                    }                 }                 else if( !i )                 {@@ -383,6 +390,11 @@         hb_libmpeg2_info( mpeg2, &title->width, &title->height,                           &title->rate_base, &ar ); +        /* if we found mostly 4:3 previews use that as the aspect ratio otherwise+           use 16:9 */+        title->aspect = ar4_count > ar16_count ?+                            HB_ASPECT_BASE * 4 / 3 : HB_ASPECT_BASE * 16 / 9;+         if( title->rate_base == 1126125 )         {             /* Frame FPS is 23.976 (meaning it's progressive), so@@ -421,12 +433,9 @@             title->rate_base = 1126125;         } -        if( i == 2) // Use the third frame's info, so as to skip opening logos+        // start from third frame to skip opening logos+        if( i >= 2)         {-            // The aspect ratio may have already been set by parsing the VOB/IFO details on a DVD, however-            // if we're working with program/transport streams that data needs to come from within the stream.-            if (title->aspect <= 0)-              title->aspect = ar;             title->crop[0] = title->crop[1] = title->height / 2;             title->crop[2] = title->crop[3] = title->width / 2;         }@@ -493,6 +502,7 @@                     break;                 }         }+        ++npreviews;  skip_preview:         while( ( buf_raw = hb_list_item( list_raw, 0 ) ) )@@ -507,16 +517,16 @@     title->crop[2] = EVEN( title->crop[2] );     title->crop[3] = EVEN( title->crop[3] ); -    hb_log( "scan: %dx%d, %.3f fps, autocrop = %d/%d/%d/%d",-            title->width, title->height, (float) title->rate /+    hb_log( "scan: %d previews, %dx%d, %.3f fps, autocrop = %d/%d/%d/%d, aspect %s",+            npreviews, title->width, title->height, (float) title->rate /             (float) title->rate_base, title->crop[0], title->crop[1],-            title->crop[2], title->crop[3] );--    ret = 1;+            title->crop[2], title->crop[3],+            title->aspect == HB_ASPECT_BASE * 16 / 9 ? "16:9" :+                title->aspect == HB_ASPECT_BASE * 4 / 3 ? "4:3" : "none" );     goto cleanup;  error:-    ret = 0;+    npreviews = 0;  cleanup:     hb_buffer_close( &buf_ps );@@ -535,7 +545,7 @@     if (data->dvd)       hb_dvd_stop( data->dvd ); -    return ret;+    return npreviews; }  static void LookForAC3AndDCA( hb_title_t * title, hb_buffer_t * b )Index: libhb/common.c===================================================================--- libhb/common.c	(revision 1314)+++ libhb/common.c	(working copy)@@ -111,6 +111,15 @@     hb_title_t * title = job->title;     int          i; +    /* don't do anything unless the title has complete size info */+    if ( title->height == 0 || title->width == 0 || title->aspect == 0 )+    {+        hb_log( "hb_fix_aspect: incomplete info for title %d: "+                "height = %d, width = %d, aspect = %d", +                title->height, title->width, title->aspect );+        return;+    }+     /* Sanity checks:        Widths and heights must be multiples of 16 and greater than or        equal to 16