restored previous renderer iteration for porting

2019-10-31 20:06:11 +11:00
parent 77bcb70dac
commit 55f7d6aa8a
16 changed files with 502 additions and 118 deletions
@@ -30,74 +30,6 @@ void RenderBackend::SetViewerNode(ViewerOutput *viewer_node)
  Decompile();
 }

-void RenderBackend::InvalidateCache(const rational &start_range, const rational &end_range)
-{
-  if (!params_.is_valid()) {
-      return;
-    }
-
-    // Adjust range to min/max values
-    rational start_range_adj = qMax(rational(0), start_range);
-    rational end_range_adj = qMin(viewer_node_->Length(), end_range);
-
-    qDebug() << "Cache invalidated between"
-             << start_range_adj.toDouble()
-             << "and"
-             << end_range_adj.toDouble();
-
-    // Snap start_range to timebase
-    double start_range_dbl = start_range_adj.toDouble();
-    double start_range_numf = start_range_dbl * static_cast<double>(params_.time_base().denominator());
-    int64_t start_range_numround = qFloor(start_range_numf/static_cast<double>(params_.time_base().numerator())) * params_.time_base().numerator();
-    rational true_start_range(start_range_numround, params_.time_base().denominator());
-
-    for (rational r=true_start_range;r<=end_range_adj;r+=params_.time_base()) {
-      // Try to order the queue from closest to the playhead to furthest
-      rational last_time = last_time_requested_;
-
-      rational diff = r - last_time;
-
-      if (diff < 0) {
-        // FIXME: Hardcoded number
-        // If the number is before the playhead, we still prioritize its closeness but not nearly as much (5:1 in this
-        // example)
-        diff = qAbs(diff) * 5;
-      }
-
-      bool contains = false;
-      bool added = false;
-      QLinkedList<rational>::iterator insert_iterator;
-
-      for (QLinkedList<rational>::iterator i = cache_queue_.begin();i != cache_queue_.end();i++) {
-        rational compare = *i;
-
-        if (!added) {
-          rational compare_diff = compare - last_time;
-
-          if (compare_diff > diff) {
-            insert_iterator = i;
-            added = true;
-          }
-        }
-
-        if (compare == r) {
-          contains = true;
-          break;
-        }
-      }
-
-      if (!contains) {
-        if (added) {
-          cache_queue_.insert(insert_iterator, r);
-        } else {
-          cache_queue_.append(r);
-        }
-      }
-    }
-
-    CacheNext();
-}
-
 void RenderBackend::SetError(const QString &error)
 {
  error_ = error;