87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2019 Olive Team
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
***/
|
|
|
|
#ifndef PIXELSERVICE_H
|
|
#define PIXELSERVICE_H
|
|
|
|
#include <QString>
|
|
|
|
#include "codec/frame.h"
|
|
#include "pixelformat.h"
|
|
|
|
class PixelService : public QObject {
|
|
public:
|
|
|
|
PixelService();
|
|
|
|
/**
|
|
* @brief Return a PixelFormatInfo containing information for a certain format
|
|
*
|
|
* \see PixelFormatInfo
|
|
*/
|
|
static PixelFormat::Info GetPixelFormatInfo(const PixelFormat::Format& format);
|
|
|
|
/**
|
|
* @brief Returns the minimum buffer size (in bytes) necessary for a given format, width, and height.
|
|
*
|
|
* @param format
|
|
*
|
|
* The format of the data the buffer should contain. Must be a member of the olive::PixelFormat enum.
|
|
*
|
|
* @param width
|
|
*
|
|
* The width (in pixels) of the buffer.
|
|
*
|
|
* @param height
|
|
*
|
|
* The height (in pixels) of the buffer.
|
|
*/
|
|
static int GetBufferSize(const PixelFormat::Format &format, const int& width, const int& height);
|
|
|
|
/**
|
|
* @brief Returns the number of bytes per pixel for a certain format
|
|
*
|
|
* Different formats use different sizes of data for pixels. Use this function to determine how many bytes a pixel
|
|
* requires for a certain format. The number of bytes will always be a multiple of 4 since all formats use RGBA and
|
|
* are at least 1 bpc.
|
|
*/
|
|
static int BytesPerPixel(const PixelFormat::Format &format);
|
|
|
|
/**
|
|
* @brief Returns the number of bytes per channel for a certain format
|
|
*/
|
|
static int BytesPerChannel(const PixelFormat::Format& format);
|
|
|
|
/**
|
|
* @brief Convert a frame to a pixel format
|
|
*
|
|
* If the frame's pixel format == the destination format, this just returns `frame`.
|
|
*/
|
|
static FramePtr ConvertPixelFormat(FramePtr frame, const PixelFormat::Format &dest_format);
|
|
|
|
/**
|
|
* @brief Convert an RGB image to an RGBA image
|
|
*/
|
|
static void ConvertRGBtoRGBA(FramePtr frame);
|
|
|
|
};
|
|
|
|
#endif // PIXELSERVICE_H
|