itsmattkc
919314cce8
Since we share render backends between the viewer and cache tasks now, we should ensure the render backend is thread safe.
158 lines
3.4 KiB
C++
158 lines
3.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef RENDERBACKEND_H
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#define RENDERBACKEND_H
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#include <QtConcurrent/QtConcurrent>
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#include "dialog/rendercancel/rendercancel.h"
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#include "decodercache.h"
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#include "node/graph.h"
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#include "node/output/viewer/viewer.h"
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#include "render/backend/colorprocessorcache.h"
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#include "renderticket.h"
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#include "renderworker.h"
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OLIVE_NAMESPACE_ENTER
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class RenderBackend : public QObject
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{
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Q_OBJECT
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public:
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RenderBackend(QObject* parent = nullptr);
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virtual ~RenderBackend() override;
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void Close();
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ViewerOutput* GetViewerNode() const
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{
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return viewer_node_;
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}
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void SetViewerNode(ViewerOutput* viewer_node);
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void SetUpdateWithGraph(bool e)
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{
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update_with_graph_ = e;
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}
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void SetRenderMode(RenderMode::Mode e)
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{
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render_mode_ = e;
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}
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void EnablePreviewGeneration(qint64 job_time)
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{
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preview_job_time_ = job_time;
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}
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void ClearVideoQueue();
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void ProcessUpdateQueue();
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static QByteArray HashNode(const Node* n, const VideoParams& params, const rational& time);
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/**
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* @brief Asynchronously generate a hash at a given time
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*/
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QFuture<QVector<QByteArray> > Hash(const QVector<rational> ×);
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/**
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* @brief Asynchronously generate a frame at a given time
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*/
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RenderTicketPtr RenderFrame(const rational& time);
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/**
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* @brief Asynchronously generate a chunk of audio
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*/
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RenderTicketPtr RenderAudio(const TimeRange& r);
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const VideoParams& GetVideoParams() const
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{
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return video_params_;
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}
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const AudioParams& GetAudioParams() const
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{
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return audio_params_;
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}
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void SetVideoParams(const VideoParams& params);
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void SetAudioParams(const AudioParams& params);
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void SetVideoDownloadMatrix(const QMatrix4x4& mat);
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static std::list<TimeRange> SplitRangeIntoChunks(const TimeRange& r);
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public slots:
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void NodeGraphChanged(NodeInput *source);
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protected:
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virtual RenderWorker* CreateNewWorker() = 0;
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private:
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void CopyNodeInputValue(NodeInput* input);
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Node *CopyNodeConnections(Node *src_node);
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void CopyNodeMakeConnection(NodeInput *src_input, NodeInput *dst_input);
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ViewerOutput* viewer_node_;
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// VIDEO MEMBERS
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VideoParams video_params_;
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QMatrix4x4 video_download_matrix_;
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// AUDIO MEMBERS
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AudioParams audio_params_;
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QList<NodeInput*> graph_update_queue_;
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QHash<Node*, Node*> copy_map_;
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ViewerOutput* copied_viewer_node_;
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QThreadPool pool_;
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std::list<RenderTicketPtr> render_queue_;
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struct WorkerData {
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RenderWorker* worker;
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bool busy;
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};
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QVector<WorkerData> workers_;
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bool update_with_graph_;
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qint64 preview_job_time_;
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RenderMode::Mode render_mode_;
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private slots:
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void WorkerFinished();
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void RunNextJob();
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};
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OLIVE_NAMESPACE_EXIT
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#endif // RENDERBACKEND_H
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