119 lines
2.6 KiB
C++
119 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 OPENGLTEXTURE_H
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#define OPENGLTEXTURE_H
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#include <memory>
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#include <QOpenGLFunctions>
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#include "codec/frame.h"
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#include "render/pixelformat.h"
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OLIVE_NAMESPACE_ENTER
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/**
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* @brief A class wrapper around an OpenGL texture
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*/
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class OpenGLTexture : public QObject
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{
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Q_OBJECT
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public:
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OpenGLTexture();
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virtual ~OpenGLTexture() override;
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DISABLE_COPY_MOVE(OpenGLTexture)
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void Create(QOpenGLContext* ctx, const VideoParams& params, const void *data, int linesize);
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void Create(QOpenGLContext* ctx, const VideoParams& params);
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void Create(QOpenGLContext* ctx, FramePtr frame);
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void Create(QOpenGLContext* ctx, Frame* frame);
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bool IsCreated() const;
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void Bind();
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void Release();
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const VideoParams& params() const
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{
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return params_;
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}
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const int& width() const
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{
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return params_.effective_width();
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}
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const int& height() const
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{
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return params_.effective_height();
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}
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const PixelFormat::Format &format() const
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{
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return params_.format();
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}
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const GLuint& texture() const
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{
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return texture_;
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}
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const int& divider() const
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{
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return params_.divider();
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}
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/**
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* @brief Changes the pixel aspect ratio metadata of this textuer
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*
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* This metadata is important for our render pipeline, but we don't need to do any re-allocation
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* to set it like we do with other VideoParam changes, so we provide a function to change only
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* the PAR here.
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*/
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void SetPixelAspectRatio(const rational& r);
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void Upload(FramePtr frame);
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void Upload(Frame* frame);
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void Upload(const void *data, int linesize);
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public slots:
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void Destroy();
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private:
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void CreateInternal(QOpenGLContext *create_ctx, GLuint *tex, const void *data, int linesize);
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QOpenGLContext* created_ctx_;
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GLuint texture_;
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VideoParams params_;
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};
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using OpenGLTexturePtr = std::shared_ptr<OpenGLTexture>;
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OLIVE_NAMESPACE_EXIT
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Q_DECLARE_METATYPE(OLIVE_NAMESPACE::OpenGLTexturePtr)
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#endif // OPENGLTEXTURE_H
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