Try harder to avoid redrawing capture regions.

Timeline/Record_DS.C

@@ -67,12 +67,13 @@ Record_DS::disk_thread ( void )
 
         for ( int i = channels(); i--; )
         {
-            while ( jack_ringbuffer_read_space( _rb[ i ] ) < block_size )
-            {
-                printf( "IO: disk buffer underrun!\n" );
-                /* FIXME: is this *really* the right thing to do?  */
-                usleep( 2000 );
-            }
+
+/*             while ( jack_ringbuffer_read_space( _rb[ i ] ) < block_size ) */
+/*             { */
+/*                 printf( "IO: disk buffer underrun!\n" ); */
+/*                 /\* FIXME: is this *really* the right thing to do?  *\/ */
+/*                 usleep( 2000 ); */
+/*             } */
 
             /* FIXME: avoid this copy */
 

Timeline/Region.C

@@ -883,11 +883,21 @@ Region::write ( nframes_t nframes )
 
     if ( 0 == ( timeline->ts_to_x( _range.end ) % 20 ) )
     {
-        /* FIXME: hack to get new size */
+        nframes_t oldl = _clip->length();
+
+        /* FIXME: hack */
         _clip->close();
         _clip->open();
 
-        redraw();
+        int W = timeline->ts_to_x( _clip->length() - oldl );
+
+        /* why - 1? */
+
+        if ( W )
+        {
+            ++W;
+            track()->damage( FL_DAMAGE_EXPOSE, x() + w() - W, y(), W, h() );
+        }
     }
 
     return nframes;
@@ -912,5 +922,7 @@ Region::finalize ( void )
     _clip->close();
     _clip->open();
 
+    _range.end = _clip->length();
+
     return true;
 }