153 lines
3.7 KiB
C++
153 lines
3.7 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 "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 SetViewerNode(ViewerOutput* viewer_node);
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void CancelQueue();
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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<QByteArray> Hash(const rational& time, bool block_for_update);
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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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QFuture<FramePtr> RenderFrame(const rational& time, bool clear_queue, bool block_for_update);
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/**
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* @brief Asynchronously generate a chunk of audio
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*/
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QFuture<SampleBufferPtr> RenderAudio(const TimeRange& r, bool block_for_update);
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void SetVideoParams(const VideoRenderingParams& params);
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void SetAudioParams(const AudioRenderingParams& params);
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void SetVideoDownloadMatrix(const QMatrix4x4& mat);
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void SetAutomaticAudio(bool e);
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void WorkerStartedRenderingAudio(const TimeRange& r);
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static QList<TimeRange> SplitRangeIntoChunks(const TimeRange& r);
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public slots:
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void NodeGraphChanged(NodeInput *source);
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void UpdateInstance(OLIVE_NAMESPACE::RenderWorker* instance);
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protected:
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virtual RenderWorker* CreateNewWorker() = 0;
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void Close();
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private:
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struct RenderPool {
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QVector<RenderWorker*> instances;
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int queuer;
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QThreadPool threads;
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void Init(ViewerOutput *v);
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void Queue(NodeInput* input);
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void Close();
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void Destroy();
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};
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RenderWorker *GetInstanceFromPool(RenderPool &pool);
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ViewerOutput* viewer_node_;
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//RenderCancelDialog* cancel_dialog_;
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RenderPool video_pool_;
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RenderPool audio_pool_;
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RenderPool hash_pool_;
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QMutex queued_audio_lock_;
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TimeRangeList queued_audio_;
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bool auto_audio_;
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// VIDEO MEMBERS
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VideoRenderingParams video_params_;
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QMatrix4x4 video_download_matrix_;
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// AUDIO MEMBERS
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AudioRenderingParams audio_params_;
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QHash< QFutureWatcher<SampleBufferPtr>*, TimeRange > audio_jobs_;
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struct ConformWaitInfo {
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StreamPtr stream;
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AudioRenderingParams params;
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TimeRange affected_range;
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rational stream_time;
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bool operator==(const ConformWaitInfo& rhs) const;
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};
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QList<ConformWaitInfo> conform_wait_info_;
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void ListenForConformSignal(AudioStreamPtr s);
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void StopListeningForConformSignal(AudioStream *s);
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bool ic_from_conform_;
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private slots:
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void AudioConformUnavailable(StreamPtr stream, TimeRange range,
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rational stream_time, AudioRenderingParams params);
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void AudioConformUpdated(OLIVE_NAMESPACE::AudioRenderingParams params);
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void AudioInvalidated(const TimeRange &r);
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void AudioRendered();
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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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