mirror of
https://github.com/libretro/scummvm.git
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473a09786d
SVQ1 no longer looks blocky and now looks a lot closer to what QuickTime outputs
89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/**
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* @file
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* YUV to RGB conversion used in engines:
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* - mohawk
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* - scumm (he)
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* - sword25
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*/
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#ifndef GRAPHICS_YUV_TO_RGB_H
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#define GRAPHICS_YUV_TO_RGB_H
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#include "common/scummsys.h"
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#include "graphics/surface.h"
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namespace Graphics {
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/**
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* Convert a YUV444 image to an RGB surface
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*
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* @param dst the destination surface
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* @param ySrc the source of the y component
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* @param uSrc the source of the u component
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* @param vSrc the source of the v component
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* @param yWidth the width of the y surface
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* @param yHeight the height of the y surface
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* @param yPitch the pitch of the y surface
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* @param uvPitch the pitch of the u and v surfaces
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*/
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void convertYUV444ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
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/**
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* Convert a YUV420 image to an RGB surface
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*
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* @param dst the destination surface
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* @param ySrc the source of the y component
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* @param uSrc the source of the u component
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* @param vSrc the source of the v component
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* @param yWidth the width of the y surface (must be divisible by 2)
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* @param yHeight the height of the y surface (must be divisible by 2)
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* @param yPitch the pitch of the y surface
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* @param uvPitch the pitch of the u and v surfaces
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*/
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void convertYUV420ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
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/**
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* Convert a YUV410 image to an RGB surface
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*
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* Since the chroma has a very low resolution in 410, we perform bilinear scaling
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* on the two chroma planes to produce the image. The chroma planes must have
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* at least one extra row that can be read from in order to produce a proper
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* image (filled with 0x80). This is required in order to speed up this function.
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*
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* @param dst the destination surface
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* @param ySrc the source of the y component
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* @param uSrc the source of the u component
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* @param vSrc the source of the v component
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* @param yWidth the width of the y surface (must be divisible by 4)
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* @param yHeight the height of the y surface (must be divisible by 4)
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* @param yPitch the pitch of the y surface
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* @param uvPitch the pitch of the u and v surfaces
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*/
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void convertYUV410ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
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} // End of namespace Graphics
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#endif
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