From 644dd2df30f19875444a90bfe835ac32f4179941 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Tue, 3 Mar 2020 01:49:37 +1100
Subject: [PATCH] renderer: fixed bug that would hang exports after 1 x (cores)
 frames           were exported

---
 app/render/backend/videorenderbackend.cpp | 8 ++++++++
 app/render/backend/videorenderbackend.h   | 1 +
 2 files changed, 9 insertions(+)

diff --git a/app/render/backend/videorenderbackend.cpp b/app/render/backend/videorenderbackend.cpp
index 964243e91..5a6c38a32 100644
--- a/app/render/backend/videorenderbackend.cpp
+++ b/app/render/backend/videorenderbackend.cpp
@@ -144,6 +144,7 @@ void VideoRenderBackend::ConnectWorkerToThis(RenderWorker *processor)
   connect(video_processor, &VideoRenderWorker::CompletedDownload, this, &VideoRenderBackend::ThreadCompletedDownload, Qt::QueuedConnection);
   connect(video_processor, &VideoRenderWorker::HashAlreadyExists, this, &VideoRenderBackend::ThreadHashAlreadyExists, Qt::QueuedConnection);
   connect(video_processor, &VideoRenderWorker::GeneratedFrame, this, &VideoRenderBackend::GeneratedFrame, Qt::QueuedConnection);
+  connect(video_processor, &VideoRenderWorker::GeneratedFrame, this, &VideoRenderBackend::ThreadGeneratedFrame, Qt::QueuedConnection);
 }
 
 void VideoRenderBackend::InvalidateCacheInternal(const rational &start_range, const rational &end_range)
@@ -307,6 +308,13 @@ void VideoRenderBackend::ThreadHashAlreadyExists(NodeDependency dep, qint64 job_
   CacheNext();
 }
 
+void VideoRenderBackend::ThreadGeneratedFrame()
+{
+  SetWorkerBusyState(static_cast<RenderWorker*>(sender()), false);
+
+  CacheNext();
+}
+
 void VideoRenderBackend::TruncateFrameCacheLength(const rational &length)
 {
   // Remove frames after this time code if it's changed
diff --git a/app/render/backend/videorenderbackend.h b/app/render/backend/videorenderbackend.h
index bd2b823c1..79b7dd37e 100644
--- a/app/render/backend/videorenderbackend.h
+++ b/app/render/backend/videorenderbackend.h
@@ -131,6 +131,7 @@ private slots:
   void ThreadCompletedDownload(NodeDependency dep, qint64 job_time, QByteArray hash, bool texture_existed);
   void ThreadSkippedFrame(NodeDependency dep, qint64 job_time, QByteArray hash);
   void ThreadHashAlreadyExists(NodeDependency dep, qint64 job_time, QByteArray hash);
+  void ThreadGeneratedFrame();
 
   void TruncateFrameCacheLength(const rational& length);