render: handle missing cache frames

app/render/previewautocacher.cpp

@@ -26,6 +26,7 @@
 #include "codec/conformmanager.h"
 #include "node/inputdragger.h"
 #include "node/project/project.h"
+#include "render/diskmanager.h"
 #include "render/renderprocessor.h"
 #include "task/customcache/customcachetask.h"
 #include "task/taskmanager.h"
@@ -201,7 +202,12 @@ void PreviewAutoCacher::VideoRendered()
     if (watcher->HasResult()) {
       if (watcher->GetTicket()->property("cached").toBool()) {
         if (FrameHashCache *cache = Node::ValueToPtr<FrameHashCache>(watcher->property("cache"))) {
-          cache->ValidateTime(watcher->property("time").value<rational>());
+          rational time = watcher->property("time").value<rational>();
+          JobTime job = watcher->property("job").value<JobTime>();
+
+          if (video_cache_data_.value(cache).job_tracker.isCurrent(time, job)) {
+            cache->ValidateTime(time);
+          }
         }
       }
     }
@@ -210,6 +216,13 @@ void PreviewAutoCacher::VideoRendered()
     TryRender();
   }
 
+  const QStringList bad_cache_names = watcher->GetTicket()->property("badcache").toStringList();
+  if (!bad_cache_names.empty()) {
+    for (const QString &fn : bad_cache_names) {
+      DiskManager::instance()->DeleteSpecificFile(fn);
+    }
+  }
+
   // Process passthroughs no matter what, if the viewer was switched, the passthrough map would be
   // cleared anyway
   QVector<RenderTicketPtr> tickets = video_immediate_passthroughs_.take(watcher);

app/render/renderprocessor.cpp

@@ -573,6 +573,10 @@ TexturePtr RenderProcessor::ProcessVideoCacheJob(const CacheJob &val)
       tex->Upload(frame->data(), frame->linesize_pixels());
       return tex;
     }
+  } else {
+    QStringList s = ticket_->property("badcache").toStringList();
+    s.append(val.GetFilename());
+    ticket_->setProperty("badcache", s);
   }
 
   return nullptr;