itsmattkc
2f80be437a
As opposed to simply leaving all values in the table, nodes can now "take" values that they use to free up memory (e.g. "taking" input buffers if they're used to produce an output buffer). This is a fairly large change, expect regressions.
88 lines
2.6 KiB
C++
88 lines
2.6 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 RENDERWORKER_H
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#define RENDERWORKER_H
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#include <QObject>
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#include "decodercache.h"
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#include "node/node.h"
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#include "node/output/track/track.h"
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#include "node/traverser.h"
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OLIVE_NAMESPACE_ENTER
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class RenderWorker : public QObject, public NodeTraverser
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{
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Q_OBJECT
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public:
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RenderWorker(QObject* parent = nullptr);
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bool Init();
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bool IsStarted();
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public slots:
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void Close();
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void Render(OLIVE_NAMESPACE::NodeDependency path, qint64 job_time);
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signals:
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void CompletedCache(OLIVE_NAMESPACE::NodeDependency dep, OLIVE_NAMESPACE::NodeValueTable data, qint64 job_time);
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void FootageUnavailable(OLIVE_NAMESPACE::StreamPtr stream, OLIVE_NAMESPACE::Decoder::RetrieveState state, const OLIVE_NAMESPACE::TimeRange& range, const OLIVE_NAMESPACE::rational& stream_time);
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protected:
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virtual bool InitInternal() = 0;
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virtual void CloseInternal() = 0;
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virtual NodeValueTable RenderInternal(const NodeDependency& CurrentPath, const qint64& job_time);
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virtual void RunNodeAccelerated(const Node *node, const TimeRange& range, NodeValueDatabase &input_params, NodeValueTable &output_params);
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virtual void FrameToValue(DecoderPtr decoder, StreamPtr stream, const TimeRange &range, NodeValueTable* table) = 0;
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virtual void ReportUnavailableFootage(StreamPtr stream, Decoder::RetrieveState state, const rational& stream_time);
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virtual void InputProcessingEvent(NodeInput *input, const TimeRange &input_time, NodeValueTable* table) override;
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virtual void ProcessNodeEvent(const Node *node, const TimeRange &range, NodeValueDatabase &input_params, NodeValueTable &output_params) override;
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StreamPtr ResolveStreamFromInput(NodeInput* input);
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DecoderPtr ResolveDecoderFromInput(StreamPtr stream);
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const NodeDependency& CurrentPath() const;
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private:
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bool started_;
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DecoderCache decoder_cache_;
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NodeDependency path_;
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};
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OLIVE_NAMESPACE_EXIT
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#endif // RENDERWORKER_H
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