itsmattkc
0ef00245ad
While in most circumstances these shouldn't be used, they're useful for showing things like export previews
187 lines
4.0 KiB
C++
187 lines
4.0 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 VIEWER_WIDGET_H
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#define VIEWER_WIDGET_H
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#include <QFile>
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#include <QLabel>
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#include <QPushButton>
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#include <QScrollBar>
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#include <QTimer>
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#include <QWidget>
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#include "common/rational.h"
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#include "node/output/viewer/viewer.h"
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#include "render/backend/opengl/openglbackend.h"
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#include "render/backend/opengl/opengltexture.h"
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#include "render/backend/audio/audiobackend.h"
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#include "viewerglwidget.h"
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#include "viewersizer.h"
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#include "widget/playbackcontrols/playbackcontrols.h"
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#include "widget/timeruler/timeruler.h"
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/**
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* @brief An OpenGL-based viewer widget with playback controls (a PlaybackControls widget).
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*/
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class ViewerWidget : public QWidget
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{
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Q_OBJECT
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public:
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ViewerWidget(QWidget* parent = nullptr);
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void SetPlaybackControlsEnabled(bool enabled);
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void SetTimeRulerEnabled(bool enabled);
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const double& scale() const;
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rational GetTime() const;
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void SetScale(const double& scale_);
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void SetTime(const int64_t& time);
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void TogglePlayPause();
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bool IsPlaying() const;
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void ConnectViewerNode(ViewerOutput* node);
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void DisconnectViewerNode();
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ViewerOutput* GetConnectedViewer() const;
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void SetColorMenuEnabled(bool enabled);
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void SetOverrideSize(int width, int height);
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void SetMatrix(const QMatrix4x4& mat);
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public slots:
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/**
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* @brief Set the texture to draw and draw it
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*
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* Wrapper function for ViewerGLWidget::SetTexture().
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*
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* @param tex
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*/
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void SetTexture(OpenGLTexturePtr tex);
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void SetTimebase(const rational& r);
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void GoToStart();
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void PrevFrame();
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void Play();
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void Pause();
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void NextFrame();
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void GoToEnd();
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void ShuttleLeft();
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void ShuttleStop();
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void ShuttleRight();
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void SetOCIOParameters(const QString& display, const QString& view, const QString& look);
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/**
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* @brief Externally set the OCIO display to use
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*
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* This value must be a valid display in the current OCIO configuration.
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*/
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void SetOCIODisplay(const QString& display);
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/**
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* @brief Externally set the OCIO view to use
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*
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* This value must be a valid display in the current OCIO configuration.
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*/
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void SetOCIOView(const QString& view);
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/**
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* @brief Externally set the OCIO look to use (use empty string if none)
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*
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* This value must be a valid display in the current OCIO configuration.
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*/
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void SetOCIOLook(const QString& look);
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signals:
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void TimeChanged(const int64_t&);
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protected:
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virtual void resizeEvent(QResizeEvent *event) override;
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private:
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void UpdateTimeInternal(int64_t i);
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void UpdateTextureFromNode(const rational &time);
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void PlayInternal(int speed);
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void PushScrubbedAudio();
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OpenGLBackend* video_renderer_;
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AudioBackend* audio_renderer_;
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ViewerSizer* sizer_;
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ViewerGLWidget* gl_widget_;
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PlaybackControls* controls_;
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TimeRuler* ruler_;
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QScrollBar* scrollbar_;
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rational time_base_;
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double time_base_dbl_;
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QTimer playback_timer_;
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qint64 start_msec_;
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int64_t start_timestamp_;
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ViewerOutput* viewer_node_;
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int playback_speed_;
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private slots:
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void RulerTimeChange(int64_t);
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void PlaybackTimerUpdate();
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void RendererCachedFrame(const rational& time, QVariant value);
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void RendererCachedTime(const rational& time);
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void SizeChangedSlot(int width, int height);
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void LengthChangedSlot(const rational& length);
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};
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#endif // VIEWER_WIDGET_H
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