itsmattkc
f70f266ca0
Previously, audio was all queued first and would therefore all have to finish before any video frames could start caching. No longer! Now they're queued side by side so users won't have to wait for audio to finish before their cached frames come in.
143 lines
3.1 KiB
C++
143 lines
3.1 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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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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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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void RunNextJob();
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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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};
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OLIVE_NAMESPACE_EXIT
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#endif // RENDERBACKEND_H
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