itsmattkc
ceb70a1870
context More intuitive code flow and allows the user to undock the viewer (which forcibly destroys and recreates the context) and the viewer will handle creation of the new texture in said new context.
107 lines
3.0 KiB
C++
107 lines
3.0 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 PIXELSERVICE_H
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#define PIXELSERVICE_H
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#include <QString>
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#include "codec/frame.h"
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#include "pixelformat.h"
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#include "render/rendermodes.h"
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class PixelService : public QObject
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{
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Q_OBJECT
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public:
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static void CreateInstance();
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static void DestroyInstance();
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static PixelService* instance();
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/**
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* @brief Returns the configured pixel format for a given mode
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*/
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PixelFormat::Format GetConfiguredFormatForMode(RenderMode::Mode mode);
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void SetConfiguredFormatForMode(RenderMode::Mode mode, PixelFormat::Format format);
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static PixelFormat::Format OIIOFormatToOliveFormat(OIIO::TypeDesc desc);
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/**
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* @brief Return a PixelFormatInfo containing information for a certain format
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*
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* \see PixelFormatInfo
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*/
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static PixelFormat::Info GetPixelFormatInfo(const PixelFormat::Format& format);
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/**
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* @brief Returns the minimum buffer size (in bytes) necessary for a given format, width, and height.
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*
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* @param format
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*
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* The format of the data the buffer should contain. Must be a member of the olive::PixelFormat enum.
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*
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* @param width
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*
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* The width (in pixels) of the buffer.
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*
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* @param height
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*
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* The height (in pixels) of the buffer.
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*/
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static int GetBufferSize(const PixelFormat::Format &format, const int& width, const int& height);
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/**
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* @brief Returns the number of bytes per pixel for a certain format
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*
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* Different formats use different sizes of data for pixels. Use this function to determine how many bytes a pixel
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* requires for a certain format. The number of bytes will always be a multiple of 4 since all formats use RGBA and
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* are at least 1 bpc.
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*/
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static int BytesPerPixel(const PixelFormat::Format &format);
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/**
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* @brief Returns the number of bytes per channel for a certain format
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*/
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static int BytesPerChannel(const PixelFormat::Format& format);
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/**
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* @brief Convert a frame to a pixel format
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*
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* If the frame's pixel format == the destination format, this just returns `frame`.
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*/
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static FramePtr ConvertPixelFormat(FramePtr frame, const PixelFormat::Format &dest_format);
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/**
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* @brief Convert an RGB image to an RGBA image
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*/
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static void ConvertRGBtoRGBA(FramePtr frame);
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signals:
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void FormatChanged();
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private:
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PixelService() = default;
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static PixelService* instance_;
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};
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#endif // PIXELSERVICE_H
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