itsmattkc
7385e3dc56
Updating values rapidly would cause strange jitters as a byproduct of the viewer trying to update from the renderer while it was still working. Rather than the viewer trying to access the the renderer, we now send textures in the initial update signal to keep everything synchronized.
156 lines
3.1 KiB
C++
156 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 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);
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void SetPlaybackControlsEnabled(bool enabled);
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void SetTimeRulerEnabled(bool enabled);
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const double& scale();
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rational GetTime();
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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();
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void ConnectViewerNode(ViewerOutput* node);
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void DisconnectViewerNode();
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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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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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